diff options
author | luka <luka@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-11-06 11:16:41 +0000 |
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committer | luka <luka@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-11-06 11:16:41 +0000 |
commit | e0dd91dd954fe687d03ca14097740c209df64181 (patch) | |
tree | c33c664da49037a91a25597c2d522b2810428e8e /target/linux/cns3xxx | |
parent | eb5c7edbb6c013045a935ddd4a319ee800f7e82d (diff) |
cns3xxx: use files directory
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34101 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/cns3xxx')
18 files changed, 1907 insertions, 2352 deletions
diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/cns3xxx_fiq.S b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/cns3xxx_fiq.S new file mode 100644 index 0000000000..c02a382a9b --- /dev/null +++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/cns3xxx_fiq.S @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2012 Gateworks Corporation + * Chris Lang <clang@gateworks.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/linkage.h> +#include <asm/assembler.h> +#include <asm/asm-offsets.h> + +#define D_CACHE_LINE_SIZE 32 + + .text + +/* + * R8 - DMA Start Address + * R9 - DMA Length + * R10 - DMA Direction + * R11 - DMA type + * R12 - fiq_buffer Address + * R13 - DMA type Address +*/ + + .global cns3xxx_fiq_end +ENTRY(cns3xxx_fiq_start) + mov r8, #0 + str r8, [r13] + + ldr r9, [r12] + ldr r8, [r9] + add r8, r8, #1 + str r8, [r9] + + ldmib r12, {r8, r9, r10} + and r11, r10, #0x3000000 + and r10, r10, #0xff + + teq r11, #0x1000000 + beq cns3xxx_dma_map_area + teq r11, #0x2000000 + beq cns3xxx_dma_unmap_area + b cns3xxx_dma_flush_range + +cns3xxx_fiq_exit: + mov r8, #0 + str r8, [r12, #12] + mcr p15, 0, r8, c7, c10, 4 @ drain write buffer + subs pc, lr, #4 + +cns3xxx_dma_map_area: + add r9, r9, r8 + teq r10, #DMA_FROM_DEVICE + beq cns3xxx_dma_inv_range + b cns3xxx_dma_clean_range + +cns3xxx_dma_unmap_area: + add r9, r9, r8 + teq r10, #DMA_TO_DEVICE + bne cns3xxx_dma_inv_range + b cns3xxx_fiq_exit + +cns3xxx_dma_flush_range: + bic r8, r8, #D_CACHE_LINE_SIZE - 1 +1: + mcr p15, 0, r8, c7, c14, 1 @ clean & invalidate D line + add r8, r8, #D_CACHE_LINE_SIZE + cmp r8, r9 + blo 1b + b cns3xxx_fiq_exit + +cns3xxx_dma_clean_range: + bic r8, r8, #D_CACHE_LINE_SIZE - 1 +1: + mcr p15, 0, r8, c7, c10, 1 @ clean D line + add r8, r8, #D_CACHE_LINE_SIZE + cmp r8, r9 + blo 1b + b cns3xxx_fiq_exit + +cns3xxx_dma_inv_range: + tst r8, #D_CACHE_LINE_SIZE - 1 + bic r8, r8, #D_CACHE_LINE_SIZE - 1 + mcrne p15, 0, r8, c7, c10, 1 @ clean D line + tst r9, #D_CACHE_LINE_SIZE - 1 + bic r9, r9, #D_CACHE_LINE_SIZE - 1 + mcrne p15, 0, r9, c7, c14, 1 @ clean & invalidate D line +1: + mcr p15, 0, r8, c7, c6, 1 @ invalidate D line + add r8, r8, #D_CACHE_LINE_SIZE + cmp r8, r9 + blo 1b + b cns3xxx_fiq_exit + +cns3xxx_fiq_end: diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/gpio.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/gpio.c new file mode 100644 index 0000000000..8fccbbf452 --- /dev/null +++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/gpio.c @@ -0,0 +1,277 @@ +/* + * Copyright 2012 Gateworks Corporation + * Chris Lang <clang@gateworks.com> + * Tim Harvey <tharvey@gateworks.com> + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/irq.h> + +#include <asm/mach/irq.h> + +/* + * Registers + */ +#define GPIO_INPUT 0x04 +#define GPIO_DIR 0x08 +#define GPIO_SET 0x10 +#define GPIO_CLEAR 0x14 +#define GPIO_INTERRUPT_ENABLE 0x20 +#define GPIO_INTERRUPT_RAW_STATUS 0x24 +#define GPIO_INTERRUPT_MASKED_STATUS 0x28 +#define GPIO_INTERRUPT_MASK 0x2C +#define GPIO_INTERRUPT_CLEAR 0x30 +#define GPIO_INTERRUPT_TRIGGER_METHOD 0x34 +#define GPIO_INTERRUPT_TRIGGER_BOTH_EDGES 0x38 +#define GPIO_INTERRUPT_TRIGGER_TYPE 0x3C + +#define GPIO_INTERRUPT_TRIGGER_METHOD_EDGE 0 +#define GPIO_INTERRUPT_TRIGGER_METHOD_LEVEL 1 +#define GPIO_INTERRUPT_TRIGGER_EDGE_SINGLE 0 +#define GPIO_INTERRUPT_TRIGGER_EDGE_BOTH 1 +#define GPIO_INTERRUPT_TRIGGER_TYPE_RISING 0 +#define GPIO_INTERRUPT_TRIGGER_TYPE_FALLING 1 +#define GPIO_INTERRUPT_TRIGGER_TYPE_HIGH 0 +#define GPIO_INTERRUPT_TRIGGER_TYPE_LOW 1 + +struct cns3xxx_gpio_chip { + struct gpio_chip chip; + spinlock_t lock; + void __iomem *base; + int secondary_irq_base; +}; + +static struct cns3xxx_gpio_chip cns3xxx_gpio_chips[2]; +static int cns3xxx_gpio_chip_count; + +static inline void +__set_direction(struct cns3xxx_gpio_chip *cchip, unsigned pin, int input) +{ + u32 reg; + + reg = __raw_readl(cchip->base + GPIO_DIR); + if (input) + reg |= 1 << pin; + else + reg &= !(1 << pin); + __raw_writel(reg, cchip->base + GPIO_DIR); +} + +/* + * GENERIC_GPIO primatives + */ +static int cns3xxx_gpio_direction_input(struct gpio_chip *chip, unsigned pin) +{ + struct cns3xxx_gpio_chip *cchip = + container_of(chip, struct cns3xxx_gpio_chip, chip); + unsigned long flags; + + spin_lock_irqsave(&cchip->lock, flags); + __set_direction(cchip, pin, 1); + spin_unlock_irqrestore(&cchip->lock, flags); + + return 0; +} + +static int cns3xxx_gpio_get(struct gpio_chip *chip, unsigned pin) +{ + struct cns3xxx_gpio_chip *cchip = + container_of(chip, struct cns3xxx_gpio_chip, chip); + int val; + + val = ((__raw_readl(cchip->base + GPIO_INPUT) >> pin) & 0x1); + + return val; +} + +static int cns3xxx_gpio_direction_output(struct gpio_chip *chip, unsigned pin, int level) +{ + struct cns3xxx_gpio_chip *cchip = + container_of(chip, struct cns3xxx_gpio_chip, chip); + unsigned long flags; + + spin_lock_irqsave(&cchip->lock, flags); + if (level) + __raw_writel(1 << pin, cchip->base + GPIO_SET); + else + __raw_writel(1 << pin, cchip->base + GPIO_CLEAR); + __set_direction(cchip, pin, 0); + spin_unlock_irqrestore(&cchip->lock, flags); + + return 0; +} + +static void cns3xxx_gpio_set(struct gpio_chip *chip, unsigned pin, + int level) +{ + struct cns3xxx_gpio_chip *cchip = + container_of(chip, struct cns3xxx_gpio_chip, chip); + + if (level) + __raw_writel(1 << pin, cchip->base + GPIO_SET); + else + __raw_writel(1 << pin, cchip->base + GPIO_CLEAR); +} + +static int cns3xxx_gpio_to_irq(struct gpio_chip *chip, unsigned pin) +{ + struct cns3xxx_gpio_chip *cchip = + container_of(chip, struct cns3xxx_gpio_chip, chip); + + return cchip->secondary_irq_base + pin; +} + + +/* + * IRQ support + */ + +/* one interrupt per GPIO controller (GPIOA/GPIOB) + * this is called in task context, with IRQs enabled + */ +static void cns3xxx_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + struct cns3xxx_gpio_chip *cchip = irq_get_handler_data(irq); + struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip_generic *gc = irq_desc_get_chip_data(desc); + struct irq_chip_type *ct = gc->chip_types; + u16 i; + u32 reg; + + chained_irq_enter(chip, desc); /* mask and ack the base interrupt */ + + /* see which pin(s) triggered the interrupt */ + reg = __raw_readl(cchip->base + GPIO_INTERRUPT_RAW_STATUS); + for (i = 0; i < 32; i++) { + if (reg & (1 << i)) { + /* let the generic IRQ layer handle an interrupt */ + generic_handle_irq(cchip->secondary_irq_base + i); + } + } + + chained_irq_exit(chip, desc); /* unmask the base interrupt */ +} + +static int cns3xxx_gpio_irq_set_type(struct irq_data *d, u32 irqtype) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct cns3xxx_gpio_chip *cchip = gc->private; + u32 gpio = d->irq - cchip->secondary_irq_base; + unsigned long flags; + u32 method, edges, type; + + spin_lock_irqsave(&cchip->lock, flags); + method = __raw_readl(cchip->base + GPIO_INTERRUPT_TRIGGER_METHOD); + edges = __raw_readl(cchip->base + GPIO_INTERRUPT_TRIGGER_BOTH_EDGES); + type = __raw_readl(cchip->base + GPIO_INTERRUPT_TRIGGER_TYPE); + method &= ~(1 << gpio); + edges &= ~(1 << gpio); + type &= ~(1 << gpio); + + switch(irqtype) { + case IRQ_TYPE_EDGE_RISING: + method |= (GPIO_INTERRUPT_TRIGGER_METHOD_EDGE << gpio); + edges |= (GPIO_INTERRUPT_TRIGGER_EDGE_SINGLE << gpio); + type |= (GPIO_INTERRUPT_TRIGGER_TYPE_RISING << gpio); + break; + case IRQ_TYPE_EDGE_FALLING: + method |= (GPIO_INTERRUPT_TRIGGER_METHOD_EDGE << gpio); + edges |= (GPIO_INTERRUPT_TRIGGER_EDGE_SINGLE << gpio); + type |= (GPIO_INTERRUPT_TRIGGER_TYPE_FALLING << gpio); + break; + case IRQ_TYPE_EDGE_BOTH: + method |= (GPIO_INTERRUPT_TRIGGER_METHOD_EDGE << gpio); + edges |= (GPIO_INTERRUPT_TRIGGER_EDGE_BOTH << gpio); + break; + case IRQ_TYPE_LEVEL_LOW: + method |= (GPIO_INTERRUPT_TRIGGER_METHOD_LEVEL << gpio); + type |= (GPIO_INTERRUPT_TRIGGER_TYPE_LOW << gpio); + break; + case IRQ_TYPE_LEVEL_HIGH: + method |= (GPIO_INTERRUPT_TRIGGER_METHOD_LEVEL << gpio); + type |= (GPIO_INTERRUPT_TRIGGER_TYPE_HIGH << gpio); + break; + default: + printk(KERN_WARNING "No irq type\n"); + spin_unlock_irqrestore(&cchip->lock, flags); + return -EINVAL; + } + + __raw_writel(method, cchip->base + GPIO_INTERRUPT_TRIGGER_METHOD); + __raw_writel(edges, cchip->base + GPIO_INTERRUPT_TRIGGER_BOTH_EDGES); + __raw_writel(type, cchip->base + GPIO_INTERRUPT_TRIGGER_TYPE); + spin_unlock_irqrestore(&cchip->lock, flags); + + if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) + __irq_set_handler_locked(d->irq, handle_level_irq); + else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) + __irq_set_handler_locked(d->irq, handle_edge_irq); + + return 0; +} + +void __init cns3xxx_gpio_init(int gpio_base, int ngpio, + u32 base, int irq, int secondary_irq_base) +{ + struct cns3xxx_gpio_chip *cchip; + struct irq_chip_generic *gc; + struct irq_chip_type *ct; + char gc_label[16]; + + if (cns3xxx_gpio_chip_count == ARRAY_SIZE(cns3xxx_gpio_chips)) + return; + + snprintf(gc_label, sizeof(gc_label), "cns3xxx_gpio%d", + cns3xxx_gpio_chip_count); + + cchip = cns3xxx_gpio_chips + cns3xxx_gpio_chip_count; + cchip->chip.label = kstrdup(gc_label, GFP_KERNEL); + cchip->chip.direction_input = cns3xxx_gpio_direction_input; + cchip->chip.get = cns3xxx_gpio_get; + cchip->chip.direction_output = cns3xxx_gpio_direction_output; + cchip->chip.set = cns3xxx_gpio_set; + cchip->chip.to_irq = cns3xxx_gpio_to_irq; + cchip->chip.base = gpio_base; + cchip->chip.ngpio = ngpio; + cchip->chip.can_sleep = 0; + spin_lock_init(&cchip->lock); + cchip->base = (void __iomem *)base; + cchip->secondary_irq_base = secondary_irq_base; + + BUG_ON(gpiochip_add(&cchip->chip) < 0); + cns3xxx_gpio_chip_count++; + + /* clear GPIO interrupts */ + __raw_writel(0xffff, cchip->base + GPIO_INTERRUPT_CLEAR); + + /* + * IRQ chip init + */ + gc = irq_alloc_generic_chip("cns3xxx_gpio_irq", 1, secondary_irq_base, + cchip->base, handle_edge_irq); + gc->private = cchip; + + ct = gc->chip_types; + ct->type = IRQ_TYPE_EDGE_FALLING; + ct->regs.ack = GPIO_INTERRUPT_CLEAR; + ct->regs.enable = GPIO_INTERRUPT_ENABLE; + ct->chip.irq_ack = irq_gc_ack_set_bit; + ct->chip.irq_enable = irq_gc_unmask_enable_reg; + ct->chip.irq_disable = irq_gc_mask_disable_reg; + ct->chip.irq_set_type = cns3xxx_gpio_irq_set_type; + ct->handler = handle_edge_irq; + + irq_setup_generic_chip(gc, IRQ_MSK(ngpio), IRQ_GC_INIT_MASK_CACHE, + IRQ_NOREQUEST, 0); + + irq_set_chained_handler(irq, cns3xxx_gpio_irq_handler); + irq_set_handler_data(irq, cchip); +} diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/headsmp.S b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/headsmp.S new file mode 100644 index 0000000000..456fd67f97 --- /dev/null +++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/headsmp.S @@ -0,0 +1,42 @@ +/* + * linux/arch/arm/mach-cns3xxx/headsmp.S + * + * Cloned from linux/arch/arm/plat-versatile/headsmp.S + * + * Copyright (c) 2003 ARM Limited + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/linkage.h> +#include <linux/init.h> + + __INIT + +/* + * CNS3XXX specific entry point for secondary CPUs. This provides + * a "holding pen" into which all secondary cores are held until we're + * ready for them to initialise. + */ +ENTRY(cns3xxx_secondary_startup) + mrc p15, 0, r0, c0, c0, 5 + and r0, r0, #15 + adr r4, 1f + ldmia r4, {r5, r6} + sub r4, r4, r5 + add r6, r6, r4 +pen: ldr r7, [r6] + cmp r7, r0 + bne pen + + /* + * we've been released from the holding pen: secondary_stack + * should now contain the SVC stack for this core + */ + b secondary_startup + + .align +1: .long . + .long pen_release diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/hotplug.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/hotplug.c new file mode 100644 index 0000000000..be0d499a38 --- /dev/null +++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/hotplug.c @@ -0,0 +1,130 @@ +/* linux arch/arm/mach-cns3xxx/hotplug.c + * + * Cloned from linux/arch/arm/mach-realview/hotplug.c + * + * Copyright (C) 2002 ARM Ltd. + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/smp.h> + +#include <asm/cacheflush.h> + +extern volatile int pen_release; + +static inline void cpu_enter_lowpower(void) +{ + unsigned int v; + + flush_cache_all(); + asm volatile( + " mcr p15, 0, %1, c7, c5, 0\n" + " mcr p15, 0, %1, c7, c10, 4\n" + /* + * Turn off coherency + */ + " mrc p15, 0, %0, c1, c0, 1\n" + " bic %0, %0, %3\n" + " mcr p15, 0, %0, c1, c0, 1\n" + " mrc p15, 0, %0, c1, c0, 0\n" + " bic %0, %0, %2\n" + " mcr p15, 0, %0, c1, c0, 0\n" + : "=&r" (v) + : "r" (0), "Ir" (CR_C), "Ir" (0x40) + : "cc"); +} + +static inline void cpu_leave_lowpower(void) +{ + unsigned int v; + + asm volatile( + "mrc p15, 0, %0, c1, c0, 0\n" + " orr %0, %0, %1\n" + " mcr p15, 0, %0, c1, c0, 0\n" + " mrc p15, 0, %0, c1, c0, 1\n" + " orr %0, %0, %2\n" + " mcr p15, 0, %0, c1, c0, 1\n" + : "=&r" (v) + : "Ir" (CR_C), "Ir" (0x40) + : "cc"); +} + +static inline void platform_do_lowpower(unsigned int cpu, int *spurious) +{ + /* + * there is no power-control hardware on this platform, so all + * we can do is put the core into WFI; this is safe as the calling + * code will have already disabled interrupts + */ + for (;;) { + /* + * here's the WFI + */ + asm(".word 0xe320f003\n" + : + : + : "memory", "cc"); + + if (pen_release == cpu) { + /* + * OK, proper wakeup, we're done + */ + break; + } + + /* + * Getting here, means that we have come out of WFI without + * having been woken up - this shouldn't happen + * + * Just note it happening - when we're woken, we can report + * its occurrence. + */ + (*spurious)++; + } +} + +int platform_cpu_kill(unsigned int cpu) +{ + return 1; +} + +/* + * platform-specific code to shutdown a CPU + * + * Called with IRQs disabled + */ +void platform_cpu_die(unsigned int cpu) +{ + int spurious = 0; + + /* + * we're ready for shutdown now, so do it + */ + cpu_enter_lowpower(); + platform_do_lowpower(cpu, &spurious); + + /* + * bring this CPU back into the world of cache + * coherency, and then restore interrupts + */ + cpu_leave_lowpower(); + + if (spurious) + pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious); +} + +int platform_cpu_disable(unsigned int cpu) +{ + /* + * we don't allow CPU 0 to be shutdown (it is still too special + * e.g. clock tick interrupts) + */ + return cpu == 0 ? -EPERM : 0; +} diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/gpio.h b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/gpio.h new file mode 100644 index 0000000000..8c66748ac9 --- /dev/null +++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/gpio.h @@ -0,0 +1,17 @@ +/* + * arch/arm/mach-cns3xxx/include/mach/gpio.h + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + * + */ +#ifndef __ASM_ARCH_CNS3XXX_GPIO_H +#define __ASM_ARCH_CNS3XXX_GPIO_H + +#include <linux/kernel.h> + +extern void __init cns3xxx_gpio_init(int gpio_base, int ngpio, + u32 base, int irq, int secondary_irq_base); + +#endif diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/platform.h b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/platform.h new file mode 100644 index 0000000000..f286d0dfe9 --- /dev/null +++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/platform.h @@ -0,0 +1,26 @@ +/* + * arch/arm/mach-cns3xxx/include/mach/platform.h + * + * Copyright 2011 Gateworks Corporation + * Chris Lang <clang@gateworks.com + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + * + */ + +#ifndef __ASM_ARCH_PLATFORM_H +#define __ASM_ARCH_PLATFORM_H + +#ifndef __ASSEMBLY__ + +/* Information about built-in Ethernet MAC interfaces */ +struct cns3xxx_plat_info { + u8 ports; /* Bitmap of enabled Ports */ + u8 hwaddr[4][6]; + u32 phy[3]; +}; + +#endif /* __ASM_ARCH_PLATFORM_H */ +#endif diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/smp.h b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/smp.h new file mode 100644 index 0000000000..e5bc56823e --- /dev/null +++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/smp.h @@ -0,0 +1,8 @@ +#ifndef __MACH_SMP_H +#define __MACH_SMP_H + +extern void smp_dma_map_area(const void *, size_t, int); +extern void smp_dma_unmap_area(const void *, size_t, int); +extern void smp_dma_flush_range(const void *, const void *); + +#endif diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c new file mode 100644 index 0000000000..854318355e --- /dev/null +++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c @@ -0,0 +1,935 @@ +/* + * Gateworks Corporation Laguna Platform + * + * Copyright 2000 Deep Blue Solutions Ltd + * Copyright 2008 ARM Limited + * Copyright 2008 Cavium Networks + * Scott Shu + * Copyright 2010 MontaVista Software, LLC. + * Anton Vorontsov <avorontsov@mvista.com> + * Copyright 2011 Gateworks Corporation + * Chris Lang <clang@gateworks.com> + * Copyright 2012 Gateworks Corporation + * Tim Harvey <tharvey@gateworks.com> + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, Version 2, as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/compiler.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/dma-mapping.h> +#include <linux/serial_core.h> +#include <linux/serial_8250.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/partitions.h> +#include <linux/leds.h> +#include <linux/i2c.h> +#include <linux/i2c/at24.h> +#include <linux/i2c/pca953x.h> +#include <linux/spi/spi.h> +#include <linux/spi/flash.h> +#include <linux/if_ether.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <mach/cns3xxx.h> +#include <mach/irqs.h> +#include <mach/platform.h> +#include <mach/pm.h> +#include <mach/gpio.h> +#include <asm/hardware/gic.h> +#include "core.h" +#include "devices.h" + +#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) + +// Config 1 Bitmap +#define ETH0_LOAD BIT(0) +#define ETH1_LOAD BIT(1) +#define ETH2_LOAD BIT(2) +#define SATA0_LOAD BIT(3) +#define SATA1_LOAD BIT(4) +#define PCM_LOAD BIT(5) +#define I2S_LOAD BIT(6) +#define SPI0_LOAD BIT(7) +#define SPI1_LOAD BIT(8) +#define PCIE0_LOAD BIT(9) +#define PCIE1_LOAD BIT(10) +#define USB0_LOAD BIT(11) +#define USB1_LOAD BIT(12) +#define USB1_ROUTE BIT(13) +#define SD_LOAD BIT(14) +#define UART0_LOAD BIT(15) +#define UART1_LOAD BIT(16) +#define UART2_LOAD BIT(17) +#define MPCI0_LOAD BIT(18) +#define MPCI1_LOAD BIT(19) +#define MPCI2_LOAD BIT(20) +#define MPCI3_LOAD BIT(21) +#define FP_BUT_LOAD BIT(22) +#define FP_BUT_HEADER_LOAD BIT(23) +#define FP_LED_LOAD BIT(24) +#define FP_LED_HEADER_LOAD BIT(25) +#define FP_TAMPER_LOAD BIT(26) +#define HEADER_33V_LOAD BIT(27) +#define SATA_POWER_LOAD BIT(28) +#define FP_POWER_LOAD BIT(29) +#define GPIO_HEADER_LOAD BIT(30) +#define GSP_BAT_LOAD BIT(31) + +// Config 2 Bitmap +#define FAN_LOAD BIT(0) +#define SPI_FLASH_LOAD BIT(1) +#define NOR_FLASH_LOAD BIT(2) +#define GPS_LOAD BIT(3) +#define SUPPLY_5V_LOAD BIT(6) +#define SUPPLY_33V_LOAD BIT(7) + +struct laguna_board_info { + char model[16]; + u32 config_bitmap; + u32 config2_bitmap; + u8 nor_flash_size; + u8 spi_flash_size; +}; + +static struct laguna_board_info laguna_info __initdata; + +/* + * NOR Flash + */ +static struct mtd_partition laguna_nor_partitions[] = { + { + .name = "uboot", + .size = SZ_256K, + .offset = 0, + .mask_flags = MTD_WRITEABLE, + }, { + .name = "params", + .size = SZ_128K, + .offset = SZ_256K, + }, { + .name = "kernel", + .size = SZ_2M, + .offset = SZ_256K + SZ_128K, + }, { + .name = "rootfs", + .size = SZ_16M - SZ_256K - SZ_128K - SZ_2M, + .offset = SZ_256K + SZ_128K + SZ_2M, + }, +}; + +static struct physmap_flash_data laguna_nor_pdata = { + .width = 2, + .parts = laguna_nor_partitions, + .nr_parts = ARRAY_SIZE(laguna_nor_partitions), +}; + +static struct resource laguna_nor_res = { + .start = CNS3XXX_FLASH_BASE, + .end = CNS3XXX_FLASH_BASE + SZ_128M - 1, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT, +}; + +static struct platform_device laguna_nor_pdev = { + .name = "physmap-flash", + .id = 0, + .resource = &laguna_nor_res, + .num_resources = 1, + .dev = { + .platform_data = &laguna_nor_pdata, + }, +}; + +/* + * SPI + */ +static struct mtd_partition laguna_spi_partitions[] = { + { + .name = "uboot", + .size = SZ_256K, + .offset = 0, + .mask_flags = MTD_WRITEABLE, + }, { + .name = "params", + .size = SZ_256K, + .offset = SZ_256K, + }, { + .name = "kernel", + .size = SZ_1M + SZ_512K, + .offset = SZ_512K, + }, { + .name = "rootfs", + .size = SZ_16M - SZ_2M, + .offset = SZ_2M, + }, +}; + +static struct flash_platform_data laguna_spi_pdata = { + .parts = laguna_spi_partitions, + .nr_parts = ARRAY_SIZE(laguna_spi_partitions), +}; + +static struct spi_board_info __initdata laguna_spi_devices[] = { + { + .modalias = "m25p80", + .platform_data = &laguna_spi_pdata, + .max_speed_hz = 50000000, + .bus_num = 1, + .chip_select = 0, + }, +}; + +static struct platform_device laguna_spi_controller = { + .name = "cns3xxx_spi", +}; + +/* + * LED's + */ +static struct gpio_led laguna_gpio_leds[] = { + { + .name = "user1", /* Green Led */ + .gpio = 115, + .active_low = 1, + },{ + .name = "user2", /* Red Led */ + .gpio = 114, + .active_low = 1, + },{ + .name = "pwr1", /* Green Led */ + .gpio = 116, + .active_low = 1, + },{ + .name = "pwr2", /* Yellow Led */ + .gpio = 117, + .active_low = 1, + },{ + .name = "txd1", /* Green Led */ + .gpio = 118, + .active_low = 1, + },{ + .name = "txd2", /* Yellow Led */ + .gpio = 119, + .active_low = 1, + },{ + .name = "rxd1", /* Green Led */ + .gpio = 120, + .active_low = 1, + },{ + .name = "rxd2", /* Yellow Led */ + .gpio = 121, + .active_low = 1, + },{ + .name = "ser1", /* Green Led */ + .gpio = 122, + .active_low = 1, + },{ + .name = "ser2", /* Yellow Led */ + .gpio = 123, + .active_low = 1, + },{ + .name = "enet1", /* Green Led */ + .gpio = 124, + .active_low = 1, + },{ + .name = "enet2", /* Yellow Led */ + .gpio = 125, + .active_low = 1, + },{ + .name = "sig1_1", /* Green Led */ + .gpio = 126, + .active_low = 1, + },{ + .name = "sig1_2", /* Yellow Led */ + .gpio = 127, + .active_low = 1, + },{ + .name = "sig2_1", /* Green Led */ + .gpio = 128, + .active_low = 1, + },{ + .name = "sig2_2", /* Yellow Led */ + .gpio = 129, + .active_low = 1, + },{ + .name = "sig3_1", /* Green Led */ + .gpio = 130, + .active_low = 1, + },{ + .name = "sig3_2", /* Yellow Led */ + .gpio = 131, + .active_low = 1, + },{ + .name = "net1", /*Green Led */ + .gpio = 109, + .active_low = 1, + },{ + .name = "net2", /* Red Led */ + .gpio = 110, + .active_low = 1, + },{ + .name = "mod1", /* Green Led */ + .gpio = 111, + .active_low = 1, + },{ + .name = "mod2", /* Red Led */ + .gpio = 112, + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data laguna_gpio_leds_data = { + .num_leds = 22, + .leds = laguna_gpio_leds, +}; + +static struct platform_device laguna_gpio_leds_device = { + .name = "leds-gpio", + .id = -1, + .dev.platform_data = &laguna_gpio_leds_data, +}; + +/* + * Ethernet + */ +static struct cns3xxx_plat_info laguna_net_data = { + .ports = 0, + .phy = { + 0, + 1, + 2, + }, +}; + +static struct platform_device laguna_net_device = { + .name = "cns3xxx_eth", + .id = 0, + .dev.platform_data = &laguna_net_data, +}; + +/* + * UART + */ +static void __init laguna_early_serial_setup(void) +{ +#ifdef CONFIG_SERIAL_8250_CONSOLE + static struct uart_port laguna_serial_port = { + .membase = (void __iomem *)CNS3XXX_UART0_BASE_VIRT, + .mapbase = CNS3XXX_UART0_BASE, + .irq = IRQ_CNS3XXX_UART0, + .iotype = UPIO_MEM, + .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE, + .regshift = 2, + .uartclk = 24000000, + .line = 0, + .type = PORT_16550A, + .fifosize = 16, + }; + + early_serial_setup(&laguna_serial_port); +#endif +} + +static struct resource laguna_uart_resources[] = { + { + .start = CNS3XXX_UART0_BASE, + .end = CNS3XXX_UART0_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM + },{ + .start = CNS3XXX_UART2_BASE, + .end = CNS3XXX_UART2_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM + },{ + .start = CNS3XXX_UART2_BASE, + .end = CNS3XXX_UART2_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM + }, +}; + +static struct plat_serial8250_port laguna_uart_data[] = { + { + .membase = (char*) (CNS3XXX_UART0_BASE_VIRT), + .mapbase = (CNS3XXX_UART0_BASE), + .irq = IRQ_CNS3XXX_UART0, + .iotype = UPIO_MEM, + .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST, + .regshift = 2, + .uartclk = 24000000, + .type = PORT_16550A, + },{ + .membase = (char*) (CNS3XXX_UART1_BASE_VIRT), + .mapbase = (CNS3XXX_UART1_BASE), + .irq = IRQ_CNS3XXX_UART1, + .iotype = UPIO_MEM, + .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST, + .regshift = 2, + .uartclk = 24000000, + .type = PORT_16550A, + },{ + .membase = (char*) (CNS3XXX_UART2_BASE_VIRT), + .mapbase = (CNS3XXX_UART2_BASE), + .irq = IRQ_CNS3XXX_UART2, + .iotype = UPIO_MEM, + .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST, + .regshift = 2, + .uartclk = 24000000, + .type = PORT_16550A, + }, + { }, +}; + +static struct platform_device laguna_uart = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev.platform_data = laguna_uart_data, + .num_resources = 3, + .resource = laguna_uart_resources +}; + +/* + * USB + */ +static struct resource cns3xxx_usb_ehci_resources[] = { + [0] = { + .start = CNS3XXX_USB_BASE, + .end = CNS3XXX_USB_BASE + SZ_16M - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_CNS3XXX_USB_EHCI, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32); + +static struct platform_device cns3xxx_usb_ehci_device = { + .name = "cns3xxx-ehci", + .num_resources = ARRAY_SIZE(cns3xxx_usb_ehci_resources), + .resource = cns3xxx_usb_ehci_resources, + .dev = { + .dma_mask = &cns3xxx_usb_ehci_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +static struct resource cns3xxx_usb_ohci_resources[] = { + [0] = { + .start = CNS3XXX_USB_OHCI_BASE, + .end = CNS3XXX_USB_OHCI_BASE + SZ_16M - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_CNS3XXX_USB_OHCI, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32); + +static struct platform_device cns3xxx_usb_ohci_device = { + .name = "cns3xxx-ohci", + .num_resources = ARRAY_SIZE(cns3xxx_usb_ohci_resources), + .resource = cns3xxx_usb_ohci_resources, + .dev = { + .dma_mask = &cns3xxx_usb_ohci_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +static struct resource cns3xxx_usb_otg_resources[] = { + [0] = { + .start = CNS3XXX_USBOTG_BASE, + .end = CNS3XXX_USBOTG_BASE + SZ_16M - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_CNS3XXX_USB_OTG, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 cns3xxx_usb_otg_dma_mask = DMA_BIT_MASK(32); + +static struct platform_device cns3xxx_usb_otg_device = { + .name = "dwc_otg", + .num_resources = ARRAY_SIZE(cns3xxx_usb_otg_resources), + .resource = cns3xxx_usb_otg_resources, + .dev = { + .dma_mask = &cns3xxx_usb_otg_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +/* + * I2C + */ +static struct resource laguna_i2c_resource[] = { + { + .start = CNS3XXX_SSP_BASE + 0x20, + .end = 0x7100003f, + .flags = IORESOURCE_MEM, + },{ + .start = IRQ_CNS3XXX_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device laguna_i2c_controller = { + .name = "cns3xxx-i2c", + .num_resources = 2, + .resource = laguna_i2c_resource, +}; + +static struct memory_accessor *at24_mem_acc; + +static void at24_setup(struct memory_accessor *mem_acc, void *context) +{ + char buf[16]; + + at24_mem_acc = mem_acc; + + /* Read MAC addresses */ + if (at24_mem_acc->read(at24_mem_acc, buf, 0x100, 6) == 6) + memcpy(&laguna_net_data.hwaddr[0], buf, ETH_ALEN); + if (at24_mem_acc->read(at24_mem_acc, buf, 0x106, 6) == 6) + memcpy(&laguna_net_data.hwaddr[1], buf, ETH_ALEN); + if (at24_mem_acc->read(at24_mem_acc, buf, 0x10C, 6) == 6) + memcpy(&laguna_net_data.hwaddr[2], buf, ETH_ALEN); + if (at24_mem_acc->read(at24_mem_acc, buf, 0x112, 6) == 6) + memcpy(&laguna_net_data.hwaddr[3], buf, ETH_ALEN); + + /* Read out Model Information */ + if (at24_mem_acc->read(at24_mem_acc, buf, 0x130, 16) == 16) + memcpy(&laguna_info.model, buf, 16); + if (at24_mem_acc->read(at24_mem_acc, buf, 0x140, 1) == 1) + memcpy(&laguna_info.nor_flash_size, buf, 1); + if (at24_mem_acc->read(at24_mem_acc, buf, 0x141, 1) == 1) + memcpy(&laguna_info.spi_flash_size, buf, 1); + if (at24_mem_acc->read(at24_mem_acc, buf, 0x142, 4) == 4) + memcpy(&laguna_info.config_bitmap, buf, 4); + if (at24_mem_acc->read(at24_mem_acc, buf, 0x146, 4) == 4) + memcpy(&laguna_info.config2_bitmap, buf, 4); +}; + +static struct at24_platform_data laguna_eeprom_info = { + .byte_len = 1024, + .page_size = 16, + .flags = AT24_FLAG_READONLY, + .setup = at24_setup, +}; + +static struct pca953x_platform_data laguna_pca_data = { + .gpio_base = 100, + .irq_base = -1, +}; + +static struct pca953x_platform_data laguna_pca2_data = { + .gpio_base = 116, + .irq_base = -1, +}; + +static struct i2c_board_info __initdata laguna_i2c_devices[] = { + { + I2C_BOARD_INFO("pca9555", 0x23), + .platform_data = &laguna_pca_data, + },{ + I2C_BOARD_INFO("pca9555", 0x27), + .platform_data = &laguna_pca2_data, + },{ + I2C_BOARD_INFO("gsp", 0x29), + },{ + I2C_BOARD_INFO ("24c08",0x50), + .platform_data = &laguna_eeprom_info, + },{ + I2C_BOARD_INFO("ds1672", 0x68), + }, +}; + +/* + * Watchdog + */ + +static struct resource laguna_watchdog_resources[] = { + [0] = { + .start = CNS3XXX_TC11MP_TWD_BASE + 0x100, // CPU0 watchdog + .end = CNS3XXX_TC11MP_TWD_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_LOCALWDOG, + .end = IRQ_LOCALWDOG, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device laguna_watchdog = { + .name = "mpcore_wdt", + .id = -1, + .num_resources = ARRAY_SIZE(laguna_watchdog_resources), + .resource = laguna_watchdog_resources, +}; + +/* + * GPIO + */ + +static struct gpio laguna_gpio_gw2391[] = { + { 0, GPIOF_IN , "*GPS_PPS" }, + { 1, GPIOF_IN , "*GSC_IRQ#" }, + { 2, GPIOF_IN , "*USB_FAULT#" }, + { 5, GPIOF_OUT_INIT_LOW , "*USB0_PCI_SEL" }, + { 6, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, + { 7, GPIOF_OUT_INIT_LOW , "*USB1_PCI_SEL" }, + { 8, GPIOF_OUT_INIT_HIGH, "*PERST#" }, + { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN#" }, + { 100, GPIOF_IN , "*USER_PB#" }, + { 103, GPIOF_OUT_INIT_HIGH, "*V5_EN" }, + { 108, GPIOF_IN , "DIO0" }, + { 109, GPIOF_IN , "DIO1" }, + { 110, GPIOF_IN , "DIO2" }, + { 111, GPIOF_IN , "DIO3" }, + { 112, GPIOF_IN , "DIO4" }, +}; + +static struct gpio laguna_gpio_gw2388[] = { + { 0, GPIOF_IN , "*GPS_PPS" }, + { 1, GPIOF_IN , "*GSC_IRQ#" }, + { 3, GPIOF_IN , "*USB_FAULT#" }, + { 6, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, + { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, + { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, + { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN" }, + { 100, GPIOF_OUT_INIT_HIGH, "*USER_PB#" }, + { 108, GPIOF_IN , "DIO0" }, + { 109, GPIOF_IN , "DIO1" }, + { 110, GPIOF_IN , "DIO2" }, + { 111, GPIOF_IN , "DIO3" }, + { 112, GPIOF_IN , "DIO4" }, +}; + +static struct gpio laguna_gpio_gw2387[] = { + { 0, GPIOF_IN , "*GPS_PPS" }, + { 1, GPIOF_IN , "*GSC_IRQ#" }, + { 2, GPIOF_IN , "*USB_FAULT#" }, + { 5, GPIOF_OUT_INIT_LOW , "*USB_PCI_SEL" }, + { 6, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, + { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, + { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, + { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN" }, + { 100, GPIOF_IN , "*USER_PB#" }, + { 103, GPIOF_OUT_INIT_HIGH, "*V5_EN" }, + { 108, GPIOF_IN , "DIO0" }, + { 109, GPIOF_IN , "DIO1" }, + { 110, GPIOF_IN , "DIO2" }, + { 111, GPIOF_IN , "DIO3" }, + { 112, GPIOF_IN , "DIO4" }, + { 113, GPIOF_IN , "DIO5" }, +}; + +static struct gpio laguna_gpio_gw2384[] = { + { 0, GPIOF_IN , "*GSC_IRQ#" }, + { 1, GPIOF_OUT_INIT_HIGH, "*USB_HST_VBUS_EN" }, + { 2, GPIOF_IN , "*USB_HST_FAULT#" }, + { 5, GPIOF_IN , "*USB_OTG_FAULT#" }, + { 6, GPIOF_OUT_INIT_LOW , "*USB_HST_PCI_SEL" }, + { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, + { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, + { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN" }, + { 12, GPIOF_OUT_INIT_LOW , "J10_DIOLED0" }, + { 13, GPIOF_OUT_INIT_HIGH, "*I2CMUX_RST#" }, + { 14, GPIOF_OUT_INIT_LOW , "J10_DIOLED1" }, + { 15, GPIOF_OUT_INIT_LOW , "J10_DIOLED2" }, + { 100, GPIOF_IN , "*USER_PB#" }, + { 103, GPIOF_OUT_INIT_HIGH, "V5_EN" }, + { 108, GPIOF_IN , "J9_DIOGSC0" }, +}; + +static struct gpio laguna_gpio_gw2383[] = { + { 0, GPIOF_IN , "*GPS_PPS" }, + { 1, GPIOF_IN , "*GSC_IRQ#" }, + { 2, GPIOF_OUT_INIT_HIGH, "*PCIE_RST#" }, + { 3, GPIOF_IN , "GPIO0" }, + { 8, GPIOF_IN , "GPIO1" }, + { 100, GPIOF_IN , "DIO0" }, + { 101, GPIOF_IN , "DIO1" }, +}; + +static struct gpio laguna_gpio_gw2382[] = { + { 0, GPIOF_IN , "*GPS_PPS" }, + { 1, GPIOF_IN , "*GSC_IRQ#" }, + { 2, GPIOF_OUT_INIT_HIGH, "*PCIE_RST#" }, + { 3, GPIOF_IN , "GPIO0" }, + { 4, GPIOF_IN , "GPIO1" }, + { 9, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, + { 10, GPIOF_OUT_INIT_HIGH, "*USB_PCI_SEL#" }, + { 100, GPIOF_IN , "DIO0" }, + { 101, GPIOF_IN , "DIO1" }, +}; + +static struct gpio laguna_gpio_gw2380[] = { + { 0, GPIOF_IN , "*GPS_PPS" }, + { 1, GPIOF_IN , "*GSC_IRQ#" }, + { 3, GPIOF_IN , "GPIO0" }, + { 8, GPIOF_IN , "GPIO1" }, + { 100, GPIOF_IN , "DIO0" }, + { 101, GPIOF_IN , "DIO1" }, + { 102, GPIOF_IN , "DIO2" }, + { 103, GPIOF_IN , "DIO3" }, +}; + +/* + * Initialization + */ +static void __init laguna_init(void) +{ + cns3xxx_l2x0_init(); + + platform_device_register(&laguna_watchdog); + + platform_device_register(&laguna_i2c_controller); + + i2c_register_board_info(0, ARRAY_AND_SIZE(laguna_i2c_devices)); + + pm_power_off = cns3xxx_power_off; +} + +static struct map_desc laguna_io_desc[] __initdata = { + { + .virtual = CNS3XXX_UART0_BASE_VIRT, + .pfn = __phys_to_pfn(CNS3XXX_UART0_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + },{ + .virtual = CNS3XXX_UART1_BASE_VIRT, + .pfn = __phys_to_pfn(CNS3XXX_UART1_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + },{ + .virtual = CNS3XXX_UART2_BASE_VIRT, + .pfn = __phys_to_pfn(CNS3XXX_UART2_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +static void __init laguna_map_io(void) +{ + cns3xxx_common_init(); + cns3xxx_pcie_iotable_init(); + iotable_init(ARRAY_AND_SIZE(laguna_io_desc)); + laguna_early_serial_setup(); +} + +static int laguna_register_gpio(struct gpio *array, size_t num) +{ + int i, err, ret; + + ret = 0; + for (i = 0; i < num; i++, array++) { + const char *label = array->label; + if (label[0] == '*') + label++; + err = gpio_request_one(array->gpio, array->flags, label); + if (err) + ret = err; + else { + err = gpio_export(array->gpio, array->label[0] != '*'); + } + } + return ret; +} + +static int __init laguna_pcie_init(void) +{ + if (!machine_is_gw2388()) + return 0; + + return cns3xxx_pcie_init(); +} +subsys_initcall(laguna_pcie_init); + +static int __init laguna_model_setup(void) +{ + u32 __iomem *mem; + u32 reg; + + printk("Running on Gateworks Laguna %s\n", laguna_info.model); + cns3xxx_gpio_init( 0, 32, CNS3XXX_GPIOA_BASE_VIRT, IRQ_CNS3XXX_GPIOA, + NR_IRQS_CNS3XXX); + cns3xxx_gpio_init(32, 32, CNS3XXX_GPIOB_BASE_VIRT, IRQ_CNS3XXX_GPIOB, + NR_IRQS_CNS3XXX + 32); + + if (strncmp(laguna_info.model, "GW", 2) == 0) { + if (laguna_info.config_bitmap & ETH0_LOAD) + laguna_net_data.ports |= BIT(0); + if (laguna_info.config_bitmap & ETH1_LOAD) + laguna_net_data.ports |= BIT(1); + if (laguna_info.config_bitmap & ETH2_LOAD) + laguna_net_data.ports |= BIT(2); + if (laguna_net_data.ports) + platform_device_register(&laguna_net_device); + + if ((laguna_info.config_bitmap & SATA0_LOAD) || + (laguna_info.config_bitmap & SATA1_LOAD)) + cns3xxx_ahci_init(); + + if (laguna_info.config_bitmap & (USB0_LOAD)) { + cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB); + + /* DRVVBUS pins share with GPIOA */ + mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0014); + reg = __raw_readl(mem); + reg |= 0x8; + __raw_writel(reg, mem); + + /* Enable OTG */ + mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0808); + reg = __raw_readl(mem); + reg &= ~(1 << 10); + __raw_writel(reg, mem); + + platform_device_register(&cns3xxx_usb_otg_device); + } + + if (laguna_info.config_bitmap & (USB1_LOAD)) { + platform_device_register(&cns3xxx_usb_ehci_device); + platform_device_register(&cns3xxx_usb_ohci_device); + } + + if (laguna_info.config_bitmap & (SD_LOAD)) + cns3xxx_sdhci_init(); + + if (laguna_info.config_bitmap & (UART0_LOAD)) + laguna_uart.num_resources = 1; + if (laguna_info.config_bitmap & (UART1_LOAD)) + laguna_uart.num_resources = 2; + if (laguna_info.config_bitmap & (UART2_LOAD)) + laguna_uart.num_resources = 3; + platform_device_register(&laguna_uart); + + if (laguna_info.config2_bitmap & (NOR_FLASH_LOAD)) { + switch (laguna_info.nor_flash_size) { + case 1: + laguna_nor_partitions[3].size = SZ_8M - SZ_256K - SZ_128K - SZ_2M; + laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_8M - 1; + break; + case 2: + laguna_nor_partitions[3].size = SZ_16M - SZ_256K - SZ_128K - SZ_2M; + laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_16M - 1; + break; + case 3: + laguna_nor_partitions[3].size = SZ_32M - SZ_256K - SZ_128K - SZ_2M; + laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_32M - 1; + break; + case 4: + laguna_nor_partitions[3].size = SZ_64M - SZ_256K - SZ_128K - SZ_2M; + laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_64M - 1; + break; + case 5: + laguna_nor_partitions[3].size = SZ_128M - SZ_256K - SZ_128K - SZ_2M; + laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_128M - 1; + break; + } + platform_device_register(&laguna_nor_pdev); + } + + if (laguna_info.config2_bitmap & (SPI_FLASH_LOAD)) { + switch (laguna_info.spi_flash_size) { + case 1: + laguna_spi_partitions[3].size = SZ_4M - SZ_2M; + break; + case 2: + laguna_spi_partitions[3].size = SZ_8M - SZ_2M; + break; + case 3: + laguna_spi_partitions[3].size = SZ_16M - SZ_2M; + break; + case 4: + laguna_spi_partitions[3].size = SZ_32M - SZ_2M; + break; + case 5: + laguna_spi_partitions[3].size = SZ_64M - SZ_2M; + break; + } + spi_register_board_info(ARRAY_AND_SIZE(laguna_spi_devices)); + } + + if ((laguna_info.config_bitmap & SPI0_LOAD) || + (laguna_info.config_bitmap & SPI1_LOAD)) + platform_device_register(&laguna_spi_controller); + + /* + * Do any model specific setup not known by the bitmap by matching + * the first 6 characters of the model name + */ + + if ( (strncmp(laguna_info.model, "GW2388", 6) == 0) + || (strncmp(laguna_info.model, "GW2389", 6) == 0) ) + { + // configure GPIO's + laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2388)); + // configure LED's + laguna_gpio_leds_data.num_leds = 2; + } else if (strncmp(laguna_info.model, "GW2387", 6) == 0) { + // configure GPIO's + laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2387)); + // configure LED's + laguna_gpio_leds_data.num_leds = 2; + } else if (strncmp(laguna_info.model, "GW2384", 6) == 0) { + // configure GPIO's + laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2384)); + // configure LED's + laguna_gpio_leds_data.num_leds = 1; + } else if (strncmp(laguna_info.model, "GW2383", 6) == 0) { + // configure GPIO's + laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2383)); + // configure LED's + laguna_gpio_leds[0].gpio = 107; + laguna_gpio_leds_data.num_leds = 1; + } else if (strncmp(laguna_info.model, "GW2382", 6) == 0) { + // configure GPIO's + laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2382)); + // configure LED's + laguna_gpio_leds[0].gpio = 107; + laguna_gpio_leds_data.num_leds = 1; + } else if (strncmp(laguna_info.model, "GW2380", 6) == 0) { + // configure GPIO's + laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2380)); + // configure LED's + laguna_gpio_leds[0].gpio = 107; + laguna_gpio_leds[1].gpio = 106; + laguna_gpio_leds_data.num_leds = 2; + } else if (strncmp(laguna_info.model, "GW2391", 6) == 0) { + // configure GPIO's + laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2391)); + // configure LED's + laguna_gpio_leds_data.num_leds = 2; + } + platform_device_register(&laguna_gpio_leds_device); + } else { + // Do some defaults here, not sure what yet + } + return 0; +} +late_initcall(laguna_model_setup); + +MACHINE_START(GW2388, "Gateworks Corporation Laguna Platform") + .atag_offset = 0x100, + .map_io = laguna_map_io, + .init_irq = cns3xxx_init_irq, + .timer = &cns3xxx_timer, + .handle_irq = gic_handle_irq, + .init_machine = laguna_init, + .restart = cns3xxx_restart, +MACHINE_END diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/localtimer.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/localtimer.c new file mode 100644 index 0000000000..5e1111cf62 --- /dev/null +++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/localtimer.c @@ -0,0 +1,26 @@ +/* linux/arch/arm/mach-cns3xxx/localtimer.c + * + * Cloned from linux/arch/arm/mach-realview/localtimer.c + * + * Copyright (C) 2002 ARM Ltd. + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/clockchips.h> + +#include <asm/irq.h> +#include <asm/localtimer.h> + +/* + * Setup the local clock events for a CPU. + */ +int __cpuinit local_timer_setup(struct clock_event_device *evt) +{ + evt->irq = IRQ_LOCALTIMER; + twd_timer_setup(evt); + return 0; +} diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/platsmp.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/platsmp.c new file mode 100644 index 0000000000..16ad562651 --- /dev/null +++ b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/platsmp.c @@ -0,0 +1,350 @@ +/* + * linux/arch/arm/mach-cns3xxx/platsmp.c + * + * Copyright (C) 2002 ARM Ltd. + * Copyright 2012 Gateworks Corporation + * Chris Lang <clang@gateworks.com> + * Tim Harvey <tharvey@gateworks.com> + * + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/jiffies.h> +#include <linux/smp.h> +#include <linux/io.h> + +#include <asm/cacheflush.h> +#include <asm/hardware/gic.h> +#include <asm/smp_scu.h> +#include <asm/unified.h> +#include <asm/fiq.h> +#include <mach/smp.h> +#include <mach/cns3xxx.h> + +static struct fiq_handler fh = { + .name = "cns3xxx-fiq" +}; + +static unsigned int fiq_buffer[8]; + +#define FIQ_ENABLED 0x80000000 +#define FIQ_GENERATE 0x00010000 +#define CNS3XXX_MAP_AREA 0x01000000 +#define CNS3XXX_UNMAP_AREA 0x02000000 +#define CNS3XXX_FLUSH_RANGE 0x03000000 + +extern void cns3xxx_secondary_startup(void); +extern unsigned char cns3xxx_fiq_start, cns3xxx_fiq_end; +extern unsigned int fiq_number[2]; +extern struct cpu_cache_fns cpu_cache; +struct cpu_cache_fns cpu_cache_save; + +#define SCU_CPU_STATUS 0x08 +static void __iomem *scu_base; + +/* + * control for which core is the next to come out of the secondary + * boot "holding pen" + */ +volatile int __cpuinitdata pen_release = -1; + +static void __init cns3xxx_set_fiq_regs(void) +{ + struct pt_regs FIQ_regs; + unsigned int cpu = smp_processor_id(); + + if (cpu) { + FIQ_regs.ARM_ip = (unsigned int)&fiq_buffer[4]; + FIQ_regs.ARM_sp = (unsigned int)MISC_FIQ_CPU(0); + } else { + FIQ_regs.ARM_ip = (unsigned int)&fiq_buffer[0]; + FIQ_regs.ARM_sp = (unsigned int)MISC_FIQ_CPU(1); + } + set_fiq_regs(&FIQ_regs); +} + +static void __init cns3xxx_init_fiq(void) +{ + void *fiqhandler_start; + unsigned int fiqhandler_length; + int ret; + + fiqhandler_start = &cns3xxx_fiq_start; + fiqhandler_length = &cns3xxx_fiq_end - &cns3xxx_fiq_start; + + ret = claim_fiq(&fh); + + if (ret) { + return; + } + + set_fiq_handler(fiqhandler_start, fiqhandler_length); + fiq_buffer[0] = (unsigned int)&fiq_number[0]; + fiq_buffer[3] = 0; + fiq_buffer[4] = (unsigned int)&fiq_number[1]; + fiq_buffer[7] = 0; +} + + +/* + * Write pen_release in a way that is guaranteed to be visible to all + * observers, irrespective of whether they're taking part in coherency + * or not. This is necessary for the hotplug code to work reliably. + */ +static void __cpuinit write_pen_release(int val) +{ + pen_release = val; + smp_wmb(); + __cpuc_flush_dcache_area((void *)&pen_release, sizeof(pen_release)); + outer_clean_range(__pa(&pen_release), __pa(&pen_release + 1)); +} + +static DEFINE_SPINLOCK(boot_lock); + +void __cpuinit platform_secondary_init(unsigned int cpu) +{ + /* + * if any interrupts are already enabled for the primary + * core (e.g. timer irq), then they will not have been enabled + * for us: do so + */ + gic_secondary_init(0); + + /* + * Setup Secondary Core FIQ regs + */ + cns3xxx_set_fiq_regs(); + + /* + * let the primary processor know we're out of the + * pen, then head off into the C entry point + */ + write_pen_release(-1); + + /* + * Fixup DMA Operations + * + */ + cpu_cache.dma_map_area = (void *)smp_dma_map_area; + cpu_cache.dma_unmap_area = (void *)smp_dma_unmap_area; + cpu_cache.dma_flush_range = (void *)smp_dma_flush_range; + + /* + * Synchronise with the boot thread. + */ + spin_lock(&boot_lock); + spin_unlock(&boot_lock); +} + +int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) +{ + unsigned long timeout; + + /* + * Set synchronisation state between this boot processor + * and the secondary one + */ + spin_lock(&boot_lock); + + /* + * The secondary processor is waiting to be released from + * the holding pen - release it, then wait for it to flag + * that it has been released by resetting pen_release. + * + * Note that "pen_release" is the hardware CPU ID, whereas + * "cpu" is Linux's internal ID. + */ + write_pen_release(cpu); + + /* + * Send the secondary CPU a soft interrupt, thereby causing + * the boot monitor to read the system wide flags register, + * and branch to the address found there. + */ + gic_raise_softirq(cpumask_of(cpu), 1); + + timeout = jiffies + (1 * HZ); + while (time_before(jiffies, timeout)) { + smp_rmb(); + if (pen_release == -1) + break; + + udelay(10); + } + + /* + * now the secondary core is starting up let it run its + * calibrations, then wait for it to finish + */ + spin_unlock(&boot_lock); + + return pen_release != -1 ? -ENOSYS : 0; +} + +/* + * Initialise the CPU possible map early - this describes the CPUs + * which may be present or become present in the system. + */ +void __init smp_init_cpus(void) +{ + unsigned int i, ncores; + unsigned int status; + + scu_base = (void __iomem *) CNS3XXX_TC11MP_SCU_BASE_VIRT; + + /* for CNS3xxx SCU_CPU_STATUS must be examined instead of SCU_CONFIGURATION + * used in scu_get_core_count + */ + status = __raw_readl(scu_base + SCU_CPU_STATUS); + for (i = 0; i < NR_CPUS+1; i++) { + if (((status >> (i*2)) & 0x3) == 0) + set_cpu_possible(i, true); + else + break; + } + ncores = i; + + set_smp_cross_call(gic_raise_softirq); +} + +void __init platform_smp_prepare_cpus(unsigned int max_cpus) +{ + int i; + + /* + * Initialise the present map, which describes the set of CPUs + * actually populated at the present time. + */ + for (i = 0; i < max_cpus; i++) { + set_cpu_present(i, true); + } + + /* + * enable SCU + */ + scu_enable(scu_base); + + /* + * Write the address of secondary startup into the + * system-wide flags register. The boot monitor waits + * until it receives a soft interrupt, and then the + * secondary CPU branches to this address. + */ + __raw_writel(virt_to_phys(cns3xxx_secondary_startup), + (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0600)); + + /* + * Setup FIQ's for main cpu + */ + cns3xxx_init_fiq(); + cns3xxx_set_fiq_regs(); + memcpy((void *)&cpu_cache_save, (void *)&cpu_cache, sizeof(struct cpu_cache_fns)); +} + + +static inline unsigned long cns3xxx_cpu_id(void) +{ + unsigned long cpu; + + asm volatile( + " mrc p15, 0, %0, c0, c0, 5 @ cns3xxx_cpu_id\n" + : "=r" (cpu) : : "memory", "cc"); + return (cpu & 0xf); +} + +void smp_dma_map_area(const void *addr, size_t size, int dir) +{ + unsigned int cpu; + unsigned long flags; + raw_local_irq_save(flags); + cpu = cns3xxx_cpu_id(); + if (cpu) { + fiq_buffer[1] = (unsigned int)addr; + fiq_buffer[2] = size; + fiq_buffer[3] = dir | CNS3XXX_MAP_AREA | FIQ_ENABLED; + smp_mb(); + __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(1)); + + cpu_cache_save.dma_map_area(addr, size, dir); + while ((fiq_buffer[3]) & FIQ_ENABLED) { barrier(); } + } else { + + fiq_buffer[5] = (unsigned int)addr; + fiq_buffer[6] = size; + fiq_buffer[7] = dir | CNS3XXX_MAP_AREA | FIQ_ENABLED; + smp_mb(); + __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(0)); + + cpu_cache_save.dma_map_area(addr, size, dir); + while ((fiq_buffer[7]) & FIQ_ENABLED) { barrier(); } + } + raw_local_irq_restore(flags); +} + +void smp_dma_unmap_area(const void *addr, size_t size, int dir) +{ + unsigned int cpu; + unsigned long flags; + + raw_local_irq_save(flags); + cpu = cns3xxx_cpu_id(); + if (cpu) { + + fiq_buffer[1] = (unsigned int)addr; + fiq_buffer[2] = size; + fiq_buffer[3] = dir | CNS3XXX_UNMAP_AREA | FIQ_ENABLED; + smp_mb(); + __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(1)); + + cpu_cache_save.dma_unmap_area(addr, size, dir); + while ((fiq_buffer[3]) & FIQ_ENABLED) { barrier(); } + } else { + + fiq_buffer[5] = (unsigned int)addr; + fiq_buffer[6] = size; + fiq_buffer[7] = dir | CNS3XXX_UNMAP_AREA | FIQ_ENABLED; + smp_mb(); + __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(0)); + + cpu_cache_save.dma_unmap_area(addr, size, dir); + while ((fiq_buffer[7]) & FIQ_ENABLED) { barrier(); } + } + raw_local_irq_restore(flags); +} + +void smp_dma_flush_range(const void *start, const void *end) +{ + unsigned int cpu; + unsigned long flags; + raw_local_irq_save(flags); + cpu = cns3xxx_cpu_id(); + if (cpu) { + + fiq_buffer[1] = (unsigned int)start; + fiq_buffer[2] = (unsigned int)end; + fiq_buffer[3] = CNS3XXX_FLUSH_RANGE | FIQ_ENABLED; + smp_mb(); + __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(1)); + + cpu_cache_save.dma_flush_range(start, end); + while ((fiq_buffer[3]) & FIQ_ENABLED) { barrier(); } + } else { + + fiq_buffer[5] = (unsigned int)start; + fiq_buffer[6] = (unsigned int)end; + fiq_buffer[7] = CNS3XXX_FLUSH_RANGE | FIQ_ENABLED; + smp_mb(); + __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(0)); + + cpu_cache_save.dma_flush_range(start, end); + while ((fiq_buffer[7]) & FIQ_ENABLED) { barrier(); } + } + raw_local_irq_restore(flags); +} diff --git a/target/linux/cns3xxx/patches-3.3/049-cns3xxx_smp_support.patch b/target/linux/cns3xxx/patches-3.3/049-cns3xxx_smp_support.patch index e751eb8862..c2225ae02e 100644 --- a/target/linux/cns3xxx/patches-3.3/049-cns3xxx_smp_support.patch +++ b/target/linux/cns3xxx/patches-3.3/049-cns3xxx_smp_support.patch @@ -7,184 +7,6 @@ +obj-$(CONFIG_SMP) += platsmp.o headsmp.o +obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o +obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o ---- /dev/null -+++ b/arch/arm/mach-cns3xxx/headsmp.S -@@ -0,0 +1,42 @@ -+/* -+ * linux/arch/arm/mach-cns3xxx/headsmp.S -+ * -+ * Cloned from linux/arch/arm/plat-versatile/headsmp.S -+ * -+ * Copyright (c) 2003 ARM Limited -+ * All Rights Reserved -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/linkage.h> -+#include <linux/init.h> -+ -+ __INIT -+ -+/* -+ * CNS3XXX specific entry point for secondary CPUs. This provides -+ * a "holding pen" into which all secondary cores are held until we're -+ * ready for them to initialise. -+ */ -+ENTRY(cns3xxx_secondary_startup) -+ mrc p15, 0, r0, c0, c0, 5 -+ and r0, r0, #15 -+ adr r4, 1f -+ ldmia r4, {r5, r6} -+ sub r4, r4, r5 -+ add r6, r6, r4 -+pen: ldr r7, [r6] -+ cmp r7, r0 -+ bne pen -+ -+ /* -+ * we've been released from the holding pen: secondary_stack -+ * should now contain the SVC stack for this core -+ */ -+ b secondary_startup -+ -+ .align -+1: .long . -+ .long pen_release ---- /dev/null -+++ b/arch/arm/mach-cns3xxx/hotplug.c -@@ -0,0 +1,130 @@ -+/* linux arch/arm/mach-cns3xxx/hotplug.c -+ * -+ * Cloned from linux/arch/arm/mach-realview/hotplug.c -+ * -+ * Copyright (C) 2002 ARM Ltd. -+ * All Rights Reserved -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+*/ -+ -+#include <linux/kernel.h> -+#include <linux/errno.h> -+#include <linux/smp.h> -+ -+#include <asm/cacheflush.h> -+ -+extern volatile int pen_release; -+ -+static inline void cpu_enter_lowpower(void) -+{ -+ unsigned int v; -+ -+ flush_cache_all(); -+ asm volatile( -+ " mcr p15, 0, %1, c7, c5, 0\n" -+ " mcr p15, 0, %1, c7, c10, 4\n" -+ /* -+ * Turn off coherency -+ */ -+ " mrc p15, 0, %0, c1, c0, 1\n" -+ " bic %0, %0, %3\n" -+ " mcr p15, 0, %0, c1, c0, 1\n" -+ " mrc p15, 0, %0, c1, c0, 0\n" -+ " bic %0, %0, %2\n" -+ " mcr p15, 0, %0, c1, c0, 0\n" -+ : "=&r" (v) -+ : "r" (0), "Ir" (CR_C), "Ir" (0x40) -+ : "cc"); -+} -+ -+static inline void cpu_leave_lowpower(void) -+{ -+ unsigned int v; -+ -+ asm volatile( -+ "mrc p15, 0, %0, c1, c0, 0\n" -+ " orr %0, %0, %1\n" -+ " mcr p15, 0, %0, c1, c0, 0\n" -+ " mrc p15, 0, %0, c1, c0, 1\n" -+ " orr %0, %0, %2\n" -+ " mcr p15, 0, %0, c1, c0, 1\n" -+ : "=&r" (v) -+ : "Ir" (CR_C), "Ir" (0x40) -+ : "cc"); -+} -+ -+static inline void platform_do_lowpower(unsigned int cpu, int *spurious) -+{ -+ /* -+ * there is no power-control hardware on this platform, so all -+ * we can do is put the core into WFI; this is safe as the calling -+ * code will have already disabled interrupts -+ */ -+ for (;;) { -+ /* -+ * here's the WFI -+ */ -+ asm(".word 0xe320f003\n" -+ : -+ : -+ : "memory", "cc"); -+ -+ if (pen_release == cpu) { -+ /* -+ * OK, proper wakeup, we're done -+ */ -+ break; -+ } -+ -+ /* -+ * Getting here, means that we have come out of WFI without -+ * having been woken up - this shouldn't happen -+ * -+ * Just note it happening - when we're woken, we can report -+ * its occurrence. -+ */ -+ (*spurious)++; -+ } -+} -+ -+int platform_cpu_kill(unsigned int cpu) -+{ -+ return 1; -+} -+ -+/* -+ * platform-specific code to shutdown a CPU -+ * -+ * Called with IRQs disabled -+ */ -+void platform_cpu_die(unsigned int cpu) -+{ -+ int spurious = 0; -+ -+ /* -+ * we're ready for shutdown now, so do it -+ */ -+ cpu_enter_lowpower(); -+ platform_do_lowpower(cpu, &spurious); -+ -+ /* -+ * bring this CPU back into the world of cache -+ * coherency, and then restore interrupts -+ */ -+ cpu_leave_lowpower(); -+ -+ if (spurious) -+ pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious); -+} -+ -+int platform_cpu_disable(unsigned int cpu) -+{ -+ /* -+ * we don't allow CPU 0 to be shutdown (it is still too special -+ * e.g. clock tick interrupts) -+ */ -+ return cpu == 0 ? -EPERM : 0; -+} --- a/arch/arm/mach-cns3xxx/Kconfig +++ b/arch/arm/mach-cns3xxx/Kconfig @@ -3,6 +3,7 @@ menu "CNS3XXX platform type" @@ -195,213 +17,6 @@ select MIGHT_HAVE_PCI help Include support for the Cavium Networks CNS3420 MPCore Platform ---- /dev/null -+++ b/arch/arm/mach-cns3xxx/localtimer.c -@@ -0,0 +1,26 @@ -+/* linux/arch/arm/mach-cns3xxx/localtimer.c -+ * -+ * Cloned from linux/arch/arm/mach-realview/localtimer.c -+ * -+ * Copyright (C) 2002 ARM Ltd. -+ * All Rights Reserved -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+*/ -+ -+#include <linux/clockchips.h> -+ -+#include <asm/irq.h> -+#include <asm/localtimer.h> -+ -+/* -+ * Setup the local clock events for a CPU. -+ */ -+int __cpuinit local_timer_setup(struct clock_event_device *evt) -+{ -+ evt->irq = IRQ_LOCALTIMER; -+ twd_timer_setup(evt); -+ return 0; -+} ---- /dev/null -+++ b/arch/arm/mach-cns3xxx/platsmp.c -@@ -0,0 +1,175 @@ -+/* linux/arch/arm/mach-cns3xxx/platsmp.c -+ * -+ * Copyright 2011 Gateworks Corporation -+ * Chris Lang <clang@gateworks.com> -+ * -+ * Cloned from linux/arch/arm/mach-vexpress/platsmp.c -+ * -+ * Copyright (C) 2002 ARM Ltd. -+ * All Rights Reserved -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+*/ -+ -+#include <linux/init.h> -+#include <linux/errno.h> -+#include <linux/delay.h> -+#include <linux/device.h> -+#include <linux/jiffies.h> -+#include <linux/smp.h> -+#include <linux/io.h> -+ -+#include <asm/cacheflush.h> -+#include <asm/hardware/gic.h> -+#include <asm/smp_scu.h> -+#include <asm/unified.h> -+ -+#include <mach/cns3xxx.h> -+ -+extern void cns3xxx_secondary_startup(void); -+ -+/* -+ * control for which core is the next to come out of the secondary -+ * boot "holding pen" -+ */ -+ -+volatile int __cpuinitdata pen_release = -1; -+ -+/* -+ * Write pen_release in a way that is guaranteed to be visible to all -+ * observers, irrespective of whether they're taking part in coherency -+ * or not. This is necessary for the hotplug code to work reliably. -+ */ -+static void write_pen_release(int val) -+{ -+ pen_release = val; -+ smp_wmb(); -+ __cpuc_flush_dcache_area((void *)&pen_release, sizeof(pen_release)); -+ outer_clean_range(__pa(&pen_release), __pa(&pen_release + 1)); -+} -+ -+static void __iomem *scu_base_addr(void) -+{ -+ return (void __iomem *)(CNS3XXX_TC11MP_SCU_BASE_VIRT); -+} -+ -+static DEFINE_SPINLOCK(boot_lock); -+ -+void __cpuinit platform_secondary_init(unsigned int cpu) -+{ -+ /* -+ * if any interrupts are already enabled for the primary -+ * core (e.g. timer irq), then they will not have been enabled -+ * for us: do so -+ */ -+ gic_secondary_init(0); -+ -+ /* -+ * let the primary processor know we're out of the -+ * pen, then head off into the C entry point -+ */ -+ write_pen_release(-1); -+ -+ /* -+ * Synchronise with the boot thread. -+ */ -+ spin_lock(&boot_lock); -+ spin_unlock(&boot_lock); -+} -+ -+int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) -+{ -+ unsigned long timeout; -+ -+ /* -+ * Set synchronisation state between this boot processor -+ * and the secondary one -+ */ -+ spin_lock(&boot_lock); -+ -+ /* -+ * The secondary processor is waiting to be released from -+ * the holding pen - release it, then wait for it to flag -+ * that it has been released by resetting pen_release. -+ * -+ * Note that "pen_release" is the hardware CPU ID, whereas -+ * "cpu" is Linux's internal ID. -+ */ -+ write_pen_release(cpu); -+ -+ /* -+ * Send the secondary CPU a soft interrupt, thereby causing -+ * the boot monitor to read the system wide flags register, -+ * and branch to the address found there. -+ */ -+ gic_raise_softirq(cpumask_of(cpu), 1); -+ -+ timeout = jiffies + (1 * HZ); -+ while (time_before(jiffies, timeout)) { -+ smp_rmb(); -+ if (pen_release == -1) -+ break; -+ -+ udelay(10); -+ } -+ -+ /* -+ * now the secondary core is starting up let it run its -+ * calibrations, then wait for it to finish -+ */ -+ spin_unlock(&boot_lock); -+ -+ return pen_release != -1 ? -ENOSYS : 0; -+} -+ -+/* -+ * Initialise the CPU possible map early - this describes the CPUs -+ * which may be present or become present in the system. -+ */ -+ -+void __init smp_init_cpus(void) -+{ -+ void __iomem *scu_base = scu_base_addr(); -+ unsigned int i, ncores; -+ -+ ncores = scu_base ? scu_get_core_count(scu_base) : 1; -+ -+ /* sanity check */ -+ if (ncores > NR_CPUS) { -+ printk(KERN_WARNING -+ "cns3xxx: no. of cores (%d) greater than configured " -+ "maximum of %d - clipping\n", -+ ncores, NR_CPUS); -+ ncores = NR_CPUS; -+ } -+ -+ for (i = 0; i < ncores; i++) -+ set_cpu_possible(i, true); -+ -+ set_smp_cross_call(gic_raise_softirq); -+} -+ -+void __init platform_smp_prepare_cpus(unsigned int max_cpus) -+{ -+ int i; -+ -+ /* -+ * Initialise the present map, which describes the set of CPUs -+ * actually populated at the present time. -+ */ -+ for (i = 0; i < max_cpus; i++) -+ set_cpu_present(i, true); -+ -+ scu_enable(scu_base_addr()); -+ -+ /* -+ * Write the address of secondary startup into the -+ * system-wide flags register. The boot monitor waits -+ * until it receives a soft interrupt, and then the -+ * secondary CPU branches to this address. -+ */ -+ __raw_writel(virt_to_phys(cns3xxx_secondary_startup), -+ (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0600)); -+} --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -373,6 +373,7 @@ config ARCH_CNS3XXX diff --git a/target/linux/cns3xxx/patches-3.3/051-cns3xxx_gigabit.patch b/target/linux/cns3xxx/patches-3.3/051-cns3xxx_gigabit.patch index 2f54a7299f..439403ac0e 100644 --- a/target/linux/cns3xxx/patches-3.3/051-cns3xxx_gigabit.patch +++ b/target/linux/cns3xxx/patches-3.3/051-cns3xxx_gigabit.patch @@ -1299,35 +1299,6 @@ +MODULE_DESCRIPTION("Cavium CNS3xxx Ethernet driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:cns3xxx_eth"); ---- /dev/null -+++ b/arch/arm/mach-cns3xxx/include/mach/platform.h -@@ -0,0 +1,26 @@ -+/* -+ * arch/arm/mach-cns3xxx/include/mach/platform.h -+ * -+ * Copyright 2011 Gateworks Corporation -+ * Chris Lang <clang@gateworks.com -+ * -+ * This file is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License, Version 2, as -+ * published by the Free Software Foundation. -+ * -+ */ -+ -+#ifndef __ASM_ARCH_PLATFORM_H -+#define __ASM_ARCH_PLATFORM_H -+ -+#ifndef __ASSEMBLY__ -+ -+/* Information about built-in Ethernet MAC interfaces */ -+struct cns3xxx_plat_info { -+ u8 ports; /* Bitmap of enabled Ports */ -+ u8 hwaddr[4][6]; -+ u32 phy[3]; -+}; -+ -+#endif /* __ASM_ARCH_PLATFORM_H */ -+#endif --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -32,6 +32,7 @@ source "drivers/net/ethernet/calxeda/Kco diff --git a/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch b/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch index ebaaa4df7d..bda0222cca 100644 --- a/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch +++ b/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch @@ -115,104 +115,3 @@ select GENERIC_CLOCKEVENTS select ARM_GIC select CLKDEV_LOOKUP ---- /dev/null -+++ b/arch/arm/mach-cns3xxx/include/mach/gpio.h -@@ -0,0 +1,98 @@ -+/* -+ * arch/arm/mach-cns3xxx/include/mach/gpio.h -+ * -+ * CNS3xxx GPIO wrappers for arch-neutral GPIO calls -+ * -+ * Copyright 2011 Gateworks Corporation -+ * Chris Lang <clang@gateworks.com> -+ * -+ * Based on IXP implementation by Milan Svoboda <msvoboda@ra.rockwell.com> -+ * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -+ * -+ */ -+ -+#ifndef __ASM_ARCH_CNS3XXX_GPIO_H -+#define __ASM_ARCH_CNS3XXX_GPIO_H -+ -+#include <linux/kernel.h> -+#include <linux/io.h> -+#include <mach/platform.h> -+#include <asm-generic/gpio.h> /* cansleep wrappers */ -+ -+#define NR_BUILTIN_GPIO 64 -+ -+#define CNS3XXX_GPIO_IN 0x0 -+#define CNS3XXX_GPIO_OUT 0x1 -+ -+#define CNS3XXX_GPIO_LO 0 -+#define CNS3XXX_GPIO_HI 1 -+ -+#define CNS3XXX_GPIO_OUTPUT 0x00 -+#define CNS3XXX_GPIO_INPUT 0x04 -+#define CNS3XXX_GPIO_DIR 0x08 -+#define CNS3XXX_GPIO_SET 0x10 -+#define CNS3XXX_GPIO_CLEAR 0x14 -+ -+static inline void gpio_line_get(u8 line, int *value) -+{ -+ if (line < 32) -+ *value = ((__raw_readl(CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> line) & 0x1); -+ else -+ *value = ((__raw_readl(CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> (line - 32)) & 0x1); -+} -+ -+static inline void gpio_line_set(u8 line, int value) -+{ -+ if (line < 32) { -+ if (value) -+ __raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_SET); -+ else -+ __raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_CLEAR); -+ } else { -+ if (value) -+ __raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_SET); -+ else -+ __raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_CLEAR); -+ } -+} -+ -+static inline int gpio_get_value(unsigned gpio) -+{ -+ if (gpio < NR_BUILTIN_GPIO) -+ { -+ int value; -+ gpio_line_get(gpio, &value); -+ return value; -+ } -+ else -+ return __gpio_get_value(gpio); -+} -+ -+static inline void gpio_set_value(unsigned gpio, int value) -+{ -+ if (gpio < NR_BUILTIN_GPIO) -+ gpio_line_set(gpio, value); -+ else -+ __gpio_set_value(gpio, value); -+} -+ -+#define gpio_cansleep __gpio_cansleep -+ -+extern int gpio_to_irq(int gpio); -+extern int irq_to_gpio(int gpio); -+ -+#endif diff --git a/target/linux/cns3xxx/patches-3.3/300-laguna_support.patch b/target/linux/cns3xxx/patches-3.3/300-laguna_support.patch index dc9ca485f5..6fa474cb61 100644 --- a/target/linux/cns3xxx/patches-3.3/300-laguna_support.patch +++ b/target/linux/cns3xxx/patches-3.3/300-laguna_support.patch @@ -1,937 +1,3 @@ ---- /dev/null -+++ b/arch/arm/mach-cns3xxx/laguna.c -@@ -0,0 +1,931 @@ -+/* -+ * Gateworks Corporation Laguna Platform -+ * -+ * Copyright 2000 Deep Blue Solutions Ltd -+ * Copyright 2008 ARM Limited -+ * Copyright 2008 Cavium Networks -+ * Scott Shu -+ * Copyright 2010 MontaVista Software, LLC. -+ * Anton Vorontsov <avorontsov@mvista.com> -+ * Copyright 2011 Gateworks Corporation -+ * Chris Lang <clang@gateworks.com> -+ * Copyright 2012 Gateworks Corporation -+ * Tim Harvey <tharvey@gateworks.com> -+ * -+ * This file is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License, Version 2, as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/init.h> -+#include <linux/kernel.h> -+#include <linux/compiler.h> -+#include <linux/io.h> -+#include <linux/gpio.h> -+#include <linux/dma-mapping.h> -+#include <linux/serial_core.h> -+#include <linux/serial_8250.h> -+#include <linux/platform_device.h> -+#include <linux/mtd/mtd.h> -+#include <linux/mtd/physmap.h> -+#include <linux/mtd/partitions.h> -+#include <linux/leds.h> -+#include <linux/i2c.h> -+#include <linux/i2c/at24.h> -+#include <linux/i2c/pca953x.h> -+#include <linux/spi/spi.h> -+#include <linux/spi/flash.h> -+#include <linux/if_ether.h> -+#include <asm/setup.h> -+#include <asm/mach-types.h> -+#include <asm/mach/arch.h> -+#include <asm/mach/map.h> -+#include <asm/mach/time.h> -+#include <mach/cns3xxx.h> -+#include <mach/irqs.h> -+#include <mach/platform.h> -+#include <mach/pm.h> -+#include <asm/hardware/gic.h> -+#include "core.h" -+#include "devices.h" -+ -+#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) -+ -+// Config 1 Bitmap -+#define ETH0_LOAD BIT(0) -+#define ETH1_LOAD BIT(1) -+#define ETH2_LOAD BIT(2) -+#define SATA0_LOAD BIT(3) -+#define SATA1_LOAD BIT(4) -+#define PCM_LOAD BIT(5) -+#define I2S_LOAD BIT(6) -+#define SPI0_LOAD BIT(7) -+#define SPI1_LOAD BIT(8) -+#define PCIE0_LOAD BIT(9) -+#define PCIE1_LOAD BIT(10) -+#define USB0_LOAD BIT(11) -+#define USB1_LOAD BIT(12) -+#define USB1_ROUTE BIT(13) -+#define SD_LOAD BIT(14) -+#define UART0_LOAD BIT(15) -+#define UART1_LOAD BIT(16) -+#define UART2_LOAD BIT(17) -+#define MPCI0_LOAD BIT(18) -+#define MPCI1_LOAD BIT(19) -+#define MPCI2_LOAD BIT(20) -+#define MPCI3_LOAD BIT(21) -+#define FP_BUT_LOAD BIT(22) -+#define FP_BUT_HEADER_LOAD BIT(23) -+#define FP_LED_LOAD BIT(24) -+#define FP_LED_HEADER_LOAD BIT(25) -+#define FP_TAMPER_LOAD BIT(26) -+#define HEADER_33V_LOAD BIT(27) -+#define SATA_POWER_LOAD BIT(28) -+#define FP_POWER_LOAD BIT(29) -+#define GPIO_HEADER_LOAD BIT(30) -+#define GSP_BAT_LOAD BIT(31) -+ -+// Config 2 Bitmap -+#define FAN_LOAD BIT(0) -+#define SPI_FLASH_LOAD BIT(1) -+#define NOR_FLASH_LOAD BIT(2) -+#define GPS_LOAD BIT(3) -+#define SUPPLY_5V_LOAD BIT(6) -+#define SUPPLY_33V_LOAD BIT(7) -+ -+struct laguna_board_info { -+ char model[16]; -+ u32 config_bitmap; -+ u32 config2_bitmap; -+ u8 nor_flash_size; -+ u8 spi_flash_size; -+}; -+ -+static struct laguna_board_info laguna_info __initdata; -+ -+/* -+ * NOR Flash -+ */ -+static struct mtd_partition laguna_nor_partitions[] = { -+ { -+ .name = "uboot", -+ .size = SZ_256K, -+ .offset = 0, -+ .mask_flags = MTD_WRITEABLE, -+ }, { -+ .name = "params", -+ .size = SZ_128K, -+ .offset = SZ_256K, -+ }, { -+ .name = "kernel", -+ .size = SZ_2M, -+ .offset = SZ_256K + SZ_128K, -+ }, { -+ .name = "rootfs", -+ .size = SZ_16M - SZ_256K - SZ_128K - SZ_2M, -+ .offset = SZ_256K + SZ_128K + SZ_2M, -+ }, -+}; -+ -+static struct physmap_flash_data laguna_nor_pdata = { -+ .width = 2, -+ .parts = laguna_nor_partitions, -+ .nr_parts = ARRAY_SIZE(laguna_nor_partitions), -+}; -+ -+static struct resource laguna_nor_res = { -+ .start = CNS3XXX_FLASH_BASE, -+ .end = CNS3XXX_FLASH_BASE + SZ_128M - 1, -+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT, -+}; -+ -+static struct platform_device laguna_nor_pdev = { -+ .name = "physmap-flash", -+ .id = 0, -+ .resource = &laguna_nor_res, -+ .num_resources = 1, -+ .dev = { -+ .platform_data = &laguna_nor_pdata, -+ }, -+}; -+ -+/* -+ * SPI -+ */ -+static struct mtd_partition laguna_spi_partitions[] = { -+ { -+ .name = "uboot", -+ .size = SZ_256K, -+ .offset = 0, -+ .mask_flags = MTD_WRITEABLE, -+ }, { -+ .name = "params", -+ .size = SZ_256K, -+ .offset = SZ_256K, -+ }, { -+ .name = "kernel", -+ .size = SZ_1M + SZ_512K, -+ .offset = SZ_512K, -+ }, { -+ .name = "rootfs", -+ .size = SZ_16M - SZ_2M, -+ .offset = SZ_2M, -+ }, -+}; -+ -+static struct flash_platform_data laguna_spi_pdata = { -+ .parts = laguna_spi_partitions, -+ .nr_parts = ARRAY_SIZE(laguna_spi_partitions), -+}; -+ -+static struct spi_board_info __initdata laguna_spi_devices[] = { -+ { -+ .modalias = "m25p80", -+ .platform_data = &laguna_spi_pdata, -+ .max_speed_hz = 50000000, -+ .bus_num = 1, -+ .chip_select = 0, -+ }, -+}; -+ -+static struct platform_device laguna_spi_controller = { -+ .name = "cns3xxx_spi", -+}; -+ -+/* -+ * LED's -+ */ -+static struct gpio_led laguna_gpio_leds[] = { -+ { -+ .name = "user1", /* Green Led */ -+ .gpio = 115, -+ .active_low = 1, -+ },{ -+ .name = "user2", /* Red Led */ -+ .gpio = 114, -+ .active_low = 1, -+ },{ -+ .name = "pwr1", /* Green Led */ -+ .gpio = 116, -+ .active_low = 1, -+ },{ -+ .name = "pwr2", /* Yellow Led */ -+ .gpio = 117, -+ .active_low = 1, -+ },{ -+ .name = "txd1", /* Green Led */ -+ .gpio = 118, -+ .active_low = 1, -+ },{ -+ .name = "txd2", /* Yellow Led */ -+ .gpio = 119, -+ .active_low = 1, -+ },{ -+ .name = "rxd1", /* Green Led */ -+ .gpio = 120, -+ .active_low = 1, -+ },{ -+ .name = "rxd2", /* Yellow Led */ -+ .gpio = 121, -+ .active_low = 1, -+ },{ -+ .name = "ser1", /* Green Led */ -+ .gpio = 122, -+ .active_low = 1, -+ },{ -+ .name = "ser2", /* Yellow Led */ -+ .gpio = 123, -+ .active_low = 1, -+ },{ -+ .name = "enet1", /* Green Led */ -+ .gpio = 124, -+ .active_low = 1, -+ },{ -+ .name = "enet2", /* Yellow Led */ -+ .gpio = 125, -+ .active_low = 1, -+ },{ -+ .name = "sig1_1", /* Green Led */ -+ .gpio = 126, -+ .active_low = 1, -+ },{ -+ .name = "sig1_2", /* Yellow Led */ -+ .gpio = 127, -+ .active_low = 1, -+ },{ -+ .name = "sig2_1", /* Green Led */ -+ .gpio = 128, -+ .active_low = 1, -+ },{ -+ .name = "sig2_2", /* Yellow Led */ -+ .gpio = 129, -+ .active_low = 1, -+ },{ -+ .name = "sig3_1", /* Green Led */ -+ .gpio = 130, -+ .active_low = 1, -+ },{ -+ .name = "sig3_2", /* Yellow Led */ -+ .gpio = 131, -+ .active_low = 1, -+ },{ -+ .name = "net1", /*Green Led */ -+ .gpio = 109, -+ .active_low = 1, -+ },{ -+ .name = "net2", /* Red Led */ -+ .gpio = 110, -+ .active_low = 1, -+ },{ -+ .name = "mod1", /* Green Led */ -+ .gpio = 111, -+ .active_low = 1, -+ },{ -+ .name = "mod2", /* Red Led */ -+ .gpio = 112, -+ .active_low = 1, -+ }, -+}; -+ -+static struct gpio_led_platform_data laguna_gpio_leds_data = { -+ .num_leds = 22, -+ .leds = laguna_gpio_leds, -+}; -+ -+static struct platform_device laguna_gpio_leds_device = { -+ .name = "leds-gpio", -+ .id = -1, -+ .dev.platform_data = &laguna_gpio_leds_data, -+}; -+ -+/* -+ * Ethernet -+ */ -+static struct cns3xxx_plat_info laguna_net_data = { -+ .ports = 0, -+ .phy = { -+ 0, -+ 1, -+ 2, -+ }, -+}; -+ -+static struct platform_device laguna_net_device = { -+ .name = "cns3xxx_eth", -+ .id = 0, -+ .dev.platform_data = &laguna_net_data, -+}; -+ -+/* -+ * UART -+ */ -+static void __init laguna_early_serial_setup(void) -+{ -+#ifdef CONFIG_SERIAL_8250_CONSOLE -+ static struct uart_port laguna_serial_port = { -+ .membase = (void __iomem *)CNS3XXX_UART0_BASE_VIRT, -+ .mapbase = CNS3XXX_UART0_BASE, -+ .irq = IRQ_CNS3XXX_UART0, -+ .iotype = UPIO_MEM, -+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE, -+ .regshift = 2, -+ .uartclk = 24000000, -+ .line = 0, -+ .type = PORT_16550A, -+ .fifosize = 16, -+ }; -+ -+ early_serial_setup(&laguna_serial_port); -+#endif -+} -+ -+static struct resource laguna_uart_resources[] = { -+ { -+ .start = CNS3XXX_UART0_BASE, -+ .end = CNS3XXX_UART0_BASE + SZ_4K - 1, -+ .flags = IORESOURCE_MEM -+ },{ -+ .start = CNS3XXX_UART2_BASE, -+ .end = CNS3XXX_UART2_BASE + SZ_4K - 1, -+ .flags = IORESOURCE_MEM -+ },{ -+ .start = CNS3XXX_UART2_BASE, -+ .end = CNS3XXX_UART2_BASE + SZ_4K - 1, -+ .flags = IORESOURCE_MEM -+ }, -+}; -+ -+static struct plat_serial8250_port laguna_uart_data[] = { -+ { -+ .membase = (char*) (CNS3XXX_UART0_BASE_VIRT), -+ .mapbase = (CNS3XXX_UART0_BASE), -+ .irq = IRQ_CNS3XXX_UART0, -+ .iotype = UPIO_MEM, -+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST, -+ .regshift = 2, -+ .uartclk = 24000000, -+ .type = PORT_16550A, -+ },{ -+ .membase = (char*) (CNS3XXX_UART1_BASE_VIRT), -+ .mapbase = (CNS3XXX_UART1_BASE), -+ .irq = IRQ_CNS3XXX_UART1, -+ .iotype = UPIO_MEM, -+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST, -+ .regshift = 2, -+ .uartclk = 24000000, -+ .type = PORT_16550A, -+ },{ -+ .membase = (char*) (CNS3XXX_UART2_BASE_VIRT), -+ .mapbase = (CNS3XXX_UART2_BASE), -+ .irq = IRQ_CNS3XXX_UART2, -+ .iotype = UPIO_MEM, -+ .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST, -+ .regshift = 2, -+ .uartclk = 24000000, -+ .type = PORT_16550A, -+ }, -+ { }, -+}; -+ -+static struct platform_device laguna_uart = { -+ .name = "serial8250", -+ .id = PLAT8250_DEV_PLATFORM, -+ .dev.platform_data = laguna_uart_data, -+ .num_resources = 3, -+ .resource = laguna_uart_resources -+}; -+ -+/* -+ * USB -+ */ -+static struct resource cns3xxx_usb_ehci_resources[] = { -+ [0] = { -+ .start = CNS3XXX_USB_BASE, -+ .end = CNS3XXX_USB_BASE + SZ_16M - 1, -+ .flags = IORESOURCE_MEM, -+ }, -+ [1] = { -+ .start = IRQ_CNS3XXX_USB_EHCI, -+ .flags = IORESOURCE_IRQ, -+ }, -+}; -+ -+static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32); -+ -+static struct platform_device cns3xxx_usb_ehci_device = { -+ .name = "cns3xxx-ehci", -+ .num_resources = ARRAY_SIZE(cns3xxx_usb_ehci_resources), -+ .resource = cns3xxx_usb_ehci_resources, -+ .dev = { -+ .dma_mask = &cns3xxx_usb_ehci_dma_mask, -+ .coherent_dma_mask = DMA_BIT_MASK(32), -+ }, -+}; -+ -+static struct resource cns3xxx_usb_ohci_resources[] = { -+ [0] = { -+ .start = CNS3XXX_USB_OHCI_BASE, -+ .end = CNS3XXX_USB_OHCI_BASE + SZ_16M - 1, -+ .flags = IORESOURCE_MEM, -+ }, -+ [1] = { -+ .start = IRQ_CNS3XXX_USB_OHCI, -+ .flags = IORESOURCE_IRQ, -+ }, -+}; -+ -+static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32); -+ -+static struct platform_device cns3xxx_usb_ohci_device = { -+ .name = "cns3xxx-ohci", -+ .num_resources = ARRAY_SIZE(cns3xxx_usb_ohci_resources), -+ .resource = cns3xxx_usb_ohci_resources, -+ .dev = { -+ .dma_mask = &cns3xxx_usb_ohci_dma_mask, -+ .coherent_dma_mask = DMA_BIT_MASK(32), -+ }, -+}; -+ -+static struct resource cns3xxx_usb_otg_resources[] = { -+ [0] = { -+ .start = CNS3XXX_USBOTG_BASE, -+ .end = CNS3XXX_USBOTG_BASE + SZ_16M - 1, -+ .flags = IORESOURCE_MEM, -+ }, -+ [1] = { -+ .start = IRQ_CNS3XXX_USB_OTG, -+ .flags = IORESOURCE_IRQ, -+ }, -+}; -+ -+static u64 cns3xxx_usb_otg_dma_mask = DMA_BIT_MASK(32); -+ -+static struct platform_device cns3xxx_usb_otg_device = { -+ .name = "dwc_otg", -+ .num_resources = ARRAY_SIZE(cns3xxx_usb_otg_resources), -+ .resource = cns3xxx_usb_otg_resources, -+ .dev = { -+ .dma_mask = &cns3xxx_usb_otg_dma_mask, -+ .coherent_dma_mask = DMA_BIT_MASK(32), -+ }, -+}; -+ -+/* -+ * I2C -+ */ -+static struct resource laguna_i2c_resource[] = { -+ { -+ .start = CNS3XXX_SSP_BASE + 0x20, -+ .end = 0x7100003f, -+ .flags = IORESOURCE_MEM, -+ },{ -+ .start = IRQ_CNS3XXX_I2C, -+ .flags = IORESOURCE_IRQ, -+ }, -+}; -+ -+static struct platform_device laguna_i2c_controller = { -+ .name = "cns3xxx-i2c", -+ .num_resources = 2, -+ .resource = laguna_i2c_resource, -+}; -+ -+static struct memory_accessor *at24_mem_acc; -+ -+static void at24_setup(struct memory_accessor *mem_acc, void *context) -+{ -+ char buf[16]; -+ -+ at24_mem_acc = mem_acc; -+ -+ /* Read MAC addresses */ -+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x100, 6) == 6) -+ memcpy(&laguna_net_data.hwaddr[0], buf, ETH_ALEN); -+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x106, 6) == 6) -+ memcpy(&laguna_net_data.hwaddr[1], buf, ETH_ALEN); -+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x10C, 6) == 6) -+ memcpy(&laguna_net_data.hwaddr[2], buf, ETH_ALEN); -+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x112, 6) == 6) -+ memcpy(&laguna_net_data.hwaddr[3], buf, ETH_ALEN); -+ -+ /* Read out Model Information */ -+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x130, 16) == 16) -+ memcpy(&laguna_info.model, buf, 16); -+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x140, 1) == 1) -+ memcpy(&laguna_info.nor_flash_size, buf, 1); -+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x141, 1) == 1) -+ memcpy(&laguna_info.spi_flash_size, buf, 1); -+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x142, 4) == 4) -+ memcpy(&laguna_info.config_bitmap, buf, 4); -+ if (at24_mem_acc->read(at24_mem_acc, buf, 0x146, 4) == 4) -+ memcpy(&laguna_info.config2_bitmap, buf, 4); -+}; -+ -+static struct at24_platform_data laguna_eeprom_info = { -+ .byte_len = 1024, -+ .page_size = 16, -+ .flags = AT24_FLAG_READONLY, -+ .setup = at24_setup, -+}; -+ -+static struct pca953x_platform_data laguna_pca_data = { -+ .gpio_base = 100, -+ .irq_base = -1, -+}; -+ -+static struct pca953x_platform_data laguna_pca2_data = { -+ .gpio_base = 116, -+ .irq_base = -1, -+}; -+ -+static struct i2c_board_info __initdata laguna_i2c_devices[] = { -+ { -+ I2C_BOARD_INFO("pca9555", 0x23), -+ .platform_data = &laguna_pca_data, -+ },{ -+ I2C_BOARD_INFO("pca9555", 0x27), -+ .platform_data = &laguna_pca2_data, -+ },{ -+ I2C_BOARD_INFO("gsp", 0x29), -+ },{ -+ I2C_BOARD_INFO ("24c08",0x50), -+ .platform_data = &laguna_eeprom_info, -+ },{ -+ I2C_BOARD_INFO("ds1672", 0x68), -+ }, -+}; -+ -+/* -+ * Watchdog -+ */ -+ -+static struct resource laguna_watchdog_resources[] = { -+ [0] = { -+ .start = CNS3XXX_TC11MP_TWD_BASE + 0x100, // CPU0 watchdog -+ .end = CNS3XXX_TC11MP_TWD_BASE + SZ_4K - 1, -+ .flags = IORESOURCE_MEM, -+ }, -+ [1] = { -+ .start = IRQ_LOCALWDOG, -+ .end = IRQ_LOCALWDOG, -+ .flags = IORESOURCE_IRQ, -+ } -+}; -+ -+static struct platform_device laguna_watchdog = { -+ .name = "mpcore_wdt", -+ .id = -1, -+ .num_resources = ARRAY_SIZE(laguna_watchdog_resources), -+ .resource = laguna_watchdog_resources, -+}; -+ -+/* -+ * GPIO -+ */ -+ -+static struct gpio laguna_gpio_gw2391[] = { -+ { 0, GPIOF_IN , "*GPS_PPS" }, -+ { 1, GPIOF_IN , "*GSC_IRQ#" }, -+ { 2, GPIOF_IN , "*USB_FAULT#" }, -+ { 5, GPIOF_OUT_INIT_LOW , "*USB0_PCI_SEL" }, -+ { 6, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, -+ { 7, GPIOF_OUT_INIT_LOW , "*USB1_PCI_SEL" }, -+ { 8, GPIOF_OUT_INIT_HIGH, "*PERST#" }, -+ { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN#" }, -+ { 100, GPIOF_IN , "*USER_PB#" }, -+ { 103, GPIOF_OUT_INIT_HIGH, "*V5_EN" }, -+ { 108, GPIOF_IN , "DIO0" }, -+ { 109, GPIOF_IN , "DIO1" }, -+ { 110, GPIOF_IN , "DIO2" }, -+ { 111, GPIOF_IN , "DIO3" }, -+ { 112, GPIOF_IN , "DIO4" }, -+}; -+ -+static struct gpio laguna_gpio_gw2388[] = { -+ { 0, GPIOF_IN , "*GPS_PPS" }, -+ { 1, GPIOF_IN , "*GSC_IRQ#" }, -+ { 3, GPIOF_IN , "*USB_FAULT#" }, -+ { 6, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, -+ { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, -+ { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, -+ { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN" }, -+ { 100, GPIOF_OUT_INIT_HIGH, "*USER_PB#" }, -+ { 108, GPIOF_IN , "DIO0" }, -+ { 109, GPIOF_IN , "DIO1" }, -+ { 110, GPIOF_IN , "DIO2" }, -+ { 111, GPIOF_IN , "DIO3" }, -+ { 112, GPIOF_IN , "DIO4" }, -+}; -+ -+static struct gpio laguna_gpio_gw2387[] = { -+ { 0, GPIOF_IN , "*GPS_PPS" }, -+ { 1, GPIOF_IN , "*GSC_IRQ#" }, -+ { 2, GPIOF_IN , "*USB_FAULT#" }, -+ { 5, GPIOF_OUT_INIT_LOW , "*USB_PCI_SEL" }, -+ { 6, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, -+ { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, -+ { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, -+ { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN" }, -+ { 100, GPIOF_IN , "*USER_PB#" }, -+ { 103, GPIOF_OUT_INIT_HIGH, "*V5_EN" }, -+ { 108, GPIOF_IN , "DIO0" }, -+ { 109, GPIOF_IN , "DIO1" }, -+ { 110, GPIOF_IN , "DIO2" }, -+ { 111, GPIOF_IN , "DIO3" }, -+ { 112, GPIOF_IN , "DIO4" }, -+ { 113, GPIOF_IN , "DIO5" }, -+}; -+ -+static struct gpio laguna_gpio_gw2384[] = { -+ { 0, GPIOF_IN , "*GSC_IRQ#" }, -+ { 1, GPIOF_OUT_INIT_HIGH, "*USB_HST_VBUS_EN" }, -+ { 2, GPIOF_IN , "*USB_HST_FAULT#" }, -+ { 5, GPIOF_IN , "*USB_OTG_FAULT#" }, -+ { 6, GPIOF_OUT_INIT_LOW , "*USB_HST_PCI_SEL" }, -+ { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, -+ { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, -+ { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN" }, -+ { 12, GPIOF_OUT_INIT_LOW , "J10_DIOLED0" }, -+ { 13, GPIOF_OUT_INIT_HIGH, "*I2CMUX_RST#" }, -+ { 14, GPIOF_OUT_INIT_LOW , "J10_DIOLED1" }, -+ { 15, GPIOF_OUT_INIT_LOW , "J10_DIOLED2" }, -+ { 100, GPIOF_IN , "*USER_PB#" }, -+ { 103, GPIOF_OUT_INIT_HIGH, "V5_EN" }, -+ { 108, GPIOF_IN , "J9_DIOGSC0" }, -+}; -+ -+static struct gpio laguna_gpio_gw2383[] = { -+ { 0, GPIOF_IN , "*GPS_PPS" }, -+ { 1, GPIOF_IN , "*GSC_IRQ#" }, -+ { 2, GPIOF_OUT_INIT_HIGH, "*PCIE_RST#" }, -+ { 3, GPIOF_IN , "GPIO0" }, -+ { 8, GPIOF_IN , "GPIO1" }, -+ { 100, GPIOF_IN , "DIO0" }, -+ { 101, GPIOF_IN , "DIO1" }, -+}; -+ -+static struct gpio laguna_gpio_gw2382[] = { -+ { 0, GPIOF_IN , "*GPS_PPS" }, -+ { 1, GPIOF_IN , "*GSC_IRQ#" }, -+ { 2, GPIOF_OUT_INIT_HIGH, "*PCIE_RST#" }, -+ { 3, GPIOF_IN , "GPIO0" }, -+ { 4, GPIOF_IN , "GPIO1" }, -+ { 9, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, -+ { 10, GPIOF_OUT_INIT_HIGH, "*USB_PCI_SEL#" }, -+ { 100, GPIOF_IN , "DIO0" }, -+ { 101, GPIOF_IN , "DIO1" }, -+}; -+ -+static struct gpio laguna_gpio_gw2380[] = { -+ { 0, GPIOF_IN , "*GPS_PPS" }, -+ { 1, GPIOF_IN , "*GSC_IRQ#" }, -+ { 3, GPIOF_IN , "GPIO0" }, -+ { 8, GPIOF_IN , "GPIO1" }, -+ { 100, GPIOF_IN , "DIO0" }, -+ { 101, GPIOF_IN , "DIO1" }, -+ { 102, GPIOF_IN , "DIO2" }, -+ { 103, GPIOF_IN , "DIO3" }, -+}; -+ -+/* -+ * Initialization -+ */ -+static void __init laguna_init(void) -+{ -+ cns3xxx_l2x0_init(); -+ -+ platform_device_register(&laguna_watchdog); -+ -+ platform_device_register(&laguna_i2c_controller); -+ -+ i2c_register_board_info(0, ARRAY_AND_SIZE(laguna_i2c_devices)); -+ -+ pm_power_off = cns3xxx_power_off; -+} -+ -+static struct map_desc laguna_io_desc[] __initdata = { -+ { -+ .virtual = CNS3XXX_UART0_BASE_VIRT, -+ .pfn = __phys_to_pfn(CNS3XXX_UART0_BASE), -+ .length = SZ_4K, -+ .type = MT_DEVICE, -+ },{ -+ .virtual = CNS3XXX_UART1_BASE_VIRT, -+ .pfn = __phys_to_pfn(CNS3XXX_UART1_BASE), -+ .length = SZ_4K, -+ .type = MT_DEVICE, -+ },{ -+ .virtual = CNS3XXX_UART2_BASE_VIRT, -+ .pfn = __phys_to_pfn(CNS3XXX_UART2_BASE), -+ .length = SZ_4K, -+ .type = MT_DEVICE, -+ }, -+}; -+ -+static void __init laguna_map_io(void) -+{ -+ cns3xxx_common_init(); -+ cns3xxx_pcie_iotable_init(0x3); -+ iotable_init(ARRAY_AND_SIZE(laguna_io_desc)); -+ laguna_early_serial_setup(); -+} -+ -+static int laguna_register_gpio(struct gpio *array, size_t num) -+{ -+ int i, err, ret; -+ -+ ret = 0; -+ for (i = 0; i < num; i++, array++) { -+ const char *label = array->label; -+ if (label[0] == '*') -+ label++; -+ err = gpio_request_one(array->gpio, array->flags, label); -+ if (err) -+ ret = err; -+ else { -+ err = gpio_export(array->gpio, array->label[0] != '*'); -+ } -+ } -+ return ret; -+} -+ -+static int __init laguna_model_setup(void) -+{ -+ u32 __iomem *mem; -+ u32 reg; -+ u8 pcie_bitmap = 0; -+ -+ printk("Running on Gateworks Laguna %s\n", laguna_info.model); -+ -+ if (strncmp(laguna_info.model, "GW", 2) == 0) { -+ if (laguna_info.config_bitmap & ETH0_LOAD) -+ laguna_net_data.ports |= BIT(0); -+ if (laguna_info.config_bitmap & ETH1_LOAD) -+ laguna_net_data.ports |= BIT(1); -+ if (laguna_info.config_bitmap & ETH2_LOAD) -+ laguna_net_data.ports |= BIT(2); -+ if (laguna_net_data.ports) -+ platform_device_register(&laguna_net_device); -+ -+ if ((laguna_info.config_bitmap & SATA0_LOAD) || -+ (laguna_info.config_bitmap & SATA1_LOAD)) -+ cns3xxx_ahci_init(); -+ -+ if (laguna_info.config_bitmap & (PCIE0_LOAD)) -+ pcie_bitmap |= 0x1; -+ -+ if (laguna_info.config_bitmap & (PCIE1_LOAD)) -+ pcie_bitmap |= 0x2; -+ -+ cns3xxx_pcie_init(pcie_bitmap); -+ -+ if (laguna_info.config_bitmap & (USB0_LOAD)) { -+ cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB); -+ -+ /* DRVVBUS pins share with GPIOA */ -+ mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0014); -+ reg = __raw_readl(mem); -+ reg |= 0x8; -+ __raw_writel(reg, mem); -+ -+ /* Enable OTG */ -+ mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0808); -+ reg = __raw_readl(mem); -+ reg &= ~(1 << 10); -+ __raw_writel(reg, mem); -+ -+ platform_device_register(&cns3xxx_usb_otg_device); -+ } -+ -+ if (laguna_info.config_bitmap & (USB1_LOAD)) { -+ platform_device_register(&cns3xxx_usb_ehci_device); -+ platform_device_register(&cns3xxx_usb_ohci_device); -+ } -+ -+ if (laguna_info.config_bitmap & (SD_LOAD)) -+ cns3xxx_sdhci_init(); -+ -+ if (laguna_info.config_bitmap & (UART0_LOAD)) -+ laguna_uart.num_resources = 1; -+ if (laguna_info.config_bitmap & (UART1_LOAD)) -+ laguna_uart.num_resources = 2; -+ if (laguna_info.config_bitmap & (UART2_LOAD)) -+ laguna_uart.num_resources = 3; -+ platform_device_register(&laguna_uart); -+ -+ if (laguna_info.config2_bitmap & (NOR_FLASH_LOAD)) { -+ switch (laguna_info.nor_flash_size) { -+ case 1: -+ laguna_nor_partitions[3].size = SZ_8M - SZ_256K - SZ_128K - SZ_2M; -+ laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_8M - 1; -+ break; -+ case 2: -+ laguna_nor_partitions[3].size = SZ_16M - SZ_256K - SZ_128K - SZ_2M; -+ laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_16M - 1; -+ break; -+ case 3: -+ laguna_nor_partitions[3].size = SZ_32M - SZ_256K - SZ_128K - SZ_2M; -+ laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_32M - 1; -+ break; -+ case 4: -+ laguna_nor_partitions[3].size = SZ_64M - SZ_256K - SZ_128K - SZ_2M; -+ laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_64M - 1; -+ break; -+ case 5: -+ laguna_nor_partitions[3].size = SZ_128M - SZ_256K - SZ_128K - SZ_2M; -+ laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_128M - 1; -+ break; -+ } -+ platform_device_register(&laguna_nor_pdev); -+ } -+ -+ if (laguna_info.config2_bitmap & (SPI_FLASH_LOAD)) { -+ switch (laguna_info.spi_flash_size) { -+ case 1: -+ laguna_spi_partitions[3].size = SZ_4M - SZ_2M; -+ break; -+ case 2: -+ laguna_spi_partitions[3].size = SZ_8M - SZ_2M; -+ break; -+ case 3: -+ laguna_spi_partitions[3].size = SZ_16M - SZ_2M; -+ break; -+ case 4: -+ laguna_spi_partitions[3].size = SZ_32M - SZ_2M; -+ break; -+ case 5: -+ laguna_spi_partitions[3].size = SZ_64M - SZ_2M; -+ break; -+ } -+ spi_register_board_info(ARRAY_AND_SIZE(laguna_spi_devices)); -+ } -+ -+ if ((laguna_info.config_bitmap & SPI0_LOAD) || -+ (laguna_info.config_bitmap & SPI1_LOAD)) -+ platform_device_register(&laguna_spi_controller); -+ -+ /* -+ * Do any model specific setup not known by the bitmap by matching -+ * the first 6 characters of the model name -+ */ -+ -+ if ( (strncmp(laguna_info.model, "GW2388", 6) == 0) -+ || (strncmp(laguna_info.model, "GW2389", 6) == 0) ) -+ { -+ // configure GPIO's -+ laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2388)); -+ // configure LED's -+ laguna_gpio_leds_data.num_leds = 2; -+ } else if (strncmp(laguna_info.model, "GW2387", 6) == 0) { -+ // configure GPIO's -+ laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2387)); -+ // configure LED's -+ laguna_gpio_leds_data.num_leds = 2; -+ } else if (strncmp(laguna_info.model, "GW2384", 6) == 0) { -+ // configure GPIO's -+ laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2384)); -+ // configure LED's -+ laguna_gpio_leds_data.num_leds = 1; -+ } else if (strncmp(laguna_info.model, "GW2383", 6) == 0) { -+ // configure GPIO's -+ laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2383)); -+ // configure LED's -+ laguna_gpio_leds[0].gpio = 107; -+ laguna_gpio_leds_data.num_leds = 1; -+ } else if (strncmp(laguna_info.model, "GW2382", 6) == 0) { -+ // configure GPIO's -+ laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2382)); -+ // configure LED's -+ laguna_gpio_leds[0].gpio = 107; -+ laguna_gpio_leds_data.num_leds = 1; -+ } else if (strncmp(laguna_info.model, "GW2380", 6) == 0) { -+ // configure GPIO's -+ laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2380)); -+ // configure LED's -+ laguna_gpio_leds[0].gpio = 107; -+ laguna_gpio_leds[1].gpio = 106; -+ laguna_gpio_leds_data.num_leds = 2; -+ } else if (strncmp(laguna_info.model, "GW2391", 6) == 0) { -+ // configure GPIO's -+ laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2391)); -+ // configure LED's -+ laguna_gpio_leds_data.num_leds = 2; -+ } -+ platform_device_register(&laguna_gpio_leds_device); -+ } else { -+ // Do some defaults here, not sure what yet -+ } -+ return 0; -+} -+ -+late_initcall(laguna_model_setup); -+ -+MACHINE_START(GW2388, "Gateworks Corporation Laguna Platform") -+ .atag_offset = 0x100, -+ .map_io = laguna_map_io, -+ .init_irq = cns3xxx_init_irq, -+ .timer = &cns3xxx_timer, -+ .handle_irq = gic_handle_irq, -+ .init_machine = laguna_init, -+ .restart = cns3xxx_restart, -+MACHINE_END --- a/arch/arm/mach-cns3xxx/Kconfig +++ b/arch/arm/mach-cns3xxx/Kconfig @@ -11,4 +11,14 @@ config MACH_CNS3420VB diff --git a/target/linux/cns3xxx/patches-3.3/450-smp_ncores.patch b/target/linux/cns3xxx/patches-3.3/450-smp_ncores.patch deleted file mode 100644 index c942a9b7e3..0000000000 --- a/target/linux/cns3xxx/patches-3.3/450-smp_ncores.patch +++ /dev/null @@ -1,109 +0,0 @@ ---- a/arch/arm/mach-cns3xxx/platsmp.c -+++ b/arch/arm/mach-cns3xxx/platsmp.c -@@ -1,18 +1,17 @@ --/* linux/arch/arm/mach-cns3xxx/platsmp.c -+/* -+ * linux/arch/arm/mach-cns3xxx/platsmp.c - * -- * Copyright 2011 Gateworks Corporation -+ * Copyright (C) 2002 ARM Ltd. -+ * Copyright 2012 Gateworks Corporation - * Chris Lang <clang@gateworks.com> -+ * Tim Harvey <tharvey@gateworks.com> - * -- * Cloned from linux/arch/arm/mach-vexpress/platsmp.c -- * -- * Copyright (C) 2002 ARM Ltd. - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. --*/ -- -+ */ - #include <linux/init.h> - #include <linux/errno.h> - #include <linux/delay.h> -@@ -30,11 +29,13 @@ - - extern void cns3xxx_secondary_startup(void); - -+#define SCU_CPU_STATUS 0x08 -+static void __iomem *scu_base; -+ - /* - * control for which core is the next to come out of the secondary - * boot "holding pen" - */ -- - volatile int __cpuinitdata pen_release = -1; - - /* -@@ -50,11 +51,6 @@ static void write_pen_release(int val) - outer_clean_range(__pa(&pen_release), __pa(&pen_release + 1)); - } - --static void __iomem *scu_base_addr(void) --{ -- return (void __iomem *)(CNS3XXX_TC11MP_SCU_BASE_VIRT); --} -- - static DEFINE_SPINLOCK(boot_lock); - - void __cpuinit platform_secondary_init(unsigned int cpu) -@@ -128,25 +124,24 @@ int __cpuinit boot_secondary(unsigned in - * Initialise the CPU possible map early - this describes the CPUs - * which may be present or become present in the system. - */ -- - void __init smp_init_cpus(void) - { -- void __iomem *scu_base = scu_base_addr(); - unsigned int i, ncores; -+ unsigned int status; - -- ncores = scu_base ? scu_get_core_count(scu_base) : 1; -+ scu_base = (void __iomem *) CNS3XXX_TC11MP_SCU_BASE_VIRT; - -- /* sanity check */ -- if (ncores > NR_CPUS) { -- printk(KERN_WARNING -- "cns3xxx: no. of cores (%d) greater than configured " -- "maximum of %d - clipping\n", -- ncores, NR_CPUS); -- ncores = NR_CPUS; -+ /* for CNS3xxx SCU_CPU_STATUS must be examined instead of SCU_CONFIGURATION -+ * used in scu_get_core_count -+ */ -+ status = __raw_readl(scu_base + SCU_CPU_STATUS); -+ for (i = 0; i < NR_CPUS+1; i++) { -+ if (((status >> (i*2)) & 0x3) == 0) -+ set_cpu_possible(i, true); -+ else -+ break; - } -- -- for (i = 0; i < ncores; i++) -- set_cpu_possible(i, true); -+ ncores = i; - - set_smp_cross_call(gic_raise_softirq); - } -@@ -159,10 +154,14 @@ void __init platform_smp_prepare_cpus(un - * Initialise the present map, which describes the set of CPUs - * actually populated at the present time. - */ -- for (i = 0; i < max_cpus; i++) -+ for (i = 0; i < max_cpus; i++) { - set_cpu_present(i, true); -+ } - -- scu_enable(scu_base_addr()); -+ /* -+ * enable SCU -+ */ -+ scu_enable(scu_base); - - /* - * Write the address of secondary startup into the diff --git a/target/linux/cns3xxx/patches-3.3/460-cns3xxx_fiq_support.patch b/target/linux/cns3xxx/patches-3.3/460-cns3xxx_fiq_support.patch index 7a44b45bfd..083cd1d7ca 100644 --- a/target/linux/cns3xxx/patches-3.3/460-cns3xxx_fiq_support.patch +++ b/target/linux/cns3xxx/patches-3.3/460-cns3xxx_fiq_support.patch @@ -63,105 +63,6 @@ +obj-$(CONFIG_SMP) += platsmp.o headsmp.o cns3xxx_fiq.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o ---- /dev/null -+++ b/arch/arm/mach-cns3xxx/cns3xxx_fiq.S -@@ -0,0 +1,96 @@ -+/* -+ * Copyright (C) 2012 Gateworks Corporation -+ * Chris Lang <clang@gateworks.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/linkage.h> -+#include <asm/assembler.h> -+#include <asm/asm-offsets.h> -+ -+#define D_CACHE_LINE_SIZE 32 -+ -+ .text -+ -+/* -+ * R8 - DMA Start Address -+ * R9 - DMA Length -+ * R10 - DMA Direction -+ * R11 - DMA type -+ * R12 - fiq_buffer Address -+ * R13 - DMA type Address -+*/ -+ -+ .global cns3xxx_fiq_end -+ENTRY(cns3xxx_fiq_start) -+ mov r8, #0 -+ str r8, [r13] -+ -+ ldr r9, [r12] -+ ldr r8, [r9] -+ add r8, r8, #1 -+ str r8, [r9] -+ -+ ldmib r12, {r8, r9, r10} -+ and r11, r10, #0x3000000 -+ and r10, r10, #0xff -+ -+ teq r11, #0x1000000 -+ beq cns3xxx_dma_map_area -+ teq r11, #0x2000000 -+ beq cns3xxx_dma_unmap_area -+ b cns3xxx_dma_flush_range -+ -+cns3xxx_fiq_exit: -+ mov r8, #0 -+ str r8, [r12, #12] -+ mcr p15, 0, r8, c7, c10, 4 @ drain write buffer -+ subs pc, lr, #4 -+ -+cns3xxx_dma_map_area: -+ add r9, r9, r8 -+ teq r10, #DMA_FROM_DEVICE -+ beq cns3xxx_dma_inv_range -+ b cns3xxx_dma_clean_range -+ -+cns3xxx_dma_unmap_area: -+ add r9, r9, r8 -+ teq r10, #DMA_TO_DEVICE -+ bne cns3xxx_dma_inv_range -+ b cns3xxx_fiq_exit -+ -+cns3xxx_dma_flush_range: -+ bic r8, r8, #D_CACHE_LINE_SIZE - 1 -+1: -+ mcr p15, 0, r8, c7, c14, 1 @ clean & invalidate D line -+ add r8, r8, #D_CACHE_LINE_SIZE -+ cmp r8, r9 -+ blo 1b -+ b cns3xxx_fiq_exit -+ -+cns3xxx_dma_clean_range: -+ bic r8, r8, #D_CACHE_LINE_SIZE - 1 -+1: -+ mcr p15, 0, r8, c7, c10, 1 @ clean D line -+ add r8, r8, #D_CACHE_LINE_SIZE -+ cmp r8, r9 -+ blo 1b -+ b cns3xxx_fiq_exit -+ -+cns3xxx_dma_inv_range: -+ tst r8, #D_CACHE_LINE_SIZE - 1 -+ bic r8, r8, #D_CACHE_LINE_SIZE - 1 -+ mcrne p15, 0, r8, c7, c10, 1 @ clean D line -+ tst r9, #D_CACHE_LINE_SIZE - 1 -+ bic r9, r9, #D_CACHE_LINE_SIZE - 1 -+ mcrne p15, 0, r9, c7, c14, 1 @ clean & invalidate D line -+1: -+ mcr p15, 0, r8, c7, c6, 1 @ invalidate D line -+ add r8, r8, #D_CACHE_LINE_SIZE -+ cmp r8, r9 -+ blo 1b -+ b cns3xxx_fiq_exit -+ -+cns3xxx_fiq_end: --- a/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h +++ b/arch/arm/mach-cns3xxx/include/mach/cns3xxx.h @@ -294,6 +294,7 @@ @@ -182,239 +83,6 @@ #include <mach/cns3xxx.h> ---- /dev/null -+++ b/arch/arm/mach-cns3xxx/include/mach/smp.h -@@ -0,0 +1,8 @@ -+#ifndef __MACH_SMP_H -+#define __MACH_SMP_H -+ -+extern void smp_dma_map_area(const void *, size_t, int); -+extern void smp_dma_unmap_area(const void *, size_t, int); -+extern void smp_dma_flush_range(const void *, const void *); -+ -+#endif ---- a/arch/arm/mach-cns3xxx/platsmp.c -+++ b/arch/arm/mach-cns3xxx/platsmp.c -@@ -24,10 +24,27 @@ - #include <asm/hardware/gic.h> - #include <asm/smp_scu.h> - #include <asm/unified.h> -- -+#include <asm/fiq.h> -+#include <mach/smp.h> - #include <mach/cns3xxx.h> - -+static struct fiq_handler fh = { -+ .name = "cns3xxx-fiq" -+}; -+ -+static unsigned int fiq_buffer[8]; -+ -+#define FIQ_ENABLED 0x80000000 -+#define FIQ_GENERATE 0x00010000 -+#define CNS3XXX_MAP_AREA 0x01000000 -+#define CNS3XXX_UNMAP_AREA 0x02000000 -+#define CNS3XXX_FLUSH_RANGE 0x03000000 -+ - extern void cns3xxx_secondary_startup(void); -+extern unsigned char cns3xxx_fiq_start, cns3xxx_fiq_end; -+extern unsigned int fiq_number[2]; -+extern struct cpu_cache_fns cpu_cache; -+struct cpu_cache_fns cpu_cache_save; - - #define SCU_CPU_STATUS 0x08 - static void __iomem *scu_base; -@@ -38,12 +55,50 @@ static void __iomem *scu_base; - */ - volatile int __cpuinitdata pen_release = -1; - -+static void __init cns3xxx_set_fiq_regs(void) -+{ -+ struct pt_regs FIQ_regs; -+ unsigned int cpu = smp_processor_id(); -+ -+ if (cpu) { -+ FIQ_regs.ARM_ip = (unsigned int)&fiq_buffer[4]; -+ FIQ_regs.ARM_sp = (unsigned int)MISC_FIQ_CPU(0); -+ } else { -+ FIQ_regs.ARM_ip = (unsigned int)&fiq_buffer[0]; -+ FIQ_regs.ARM_sp = (unsigned int)MISC_FIQ_CPU(1); -+ } -+ set_fiq_regs(&FIQ_regs); -+} -+ -+static void __init cns3xxx_init_fiq(void) -+{ -+ void *fiqhandler_start; -+ unsigned int fiqhandler_length; -+ int ret; -+ -+ fiqhandler_start = &cns3xxx_fiq_start; -+ fiqhandler_length = &cns3xxx_fiq_end - &cns3xxx_fiq_start; -+ -+ ret = claim_fiq(&fh); -+ -+ if (ret) { -+ return; -+ } -+ -+ set_fiq_handler(fiqhandler_start, fiqhandler_length); -+ fiq_buffer[0] = (unsigned int)&fiq_number[0]; -+ fiq_buffer[3] = 0; -+ fiq_buffer[4] = (unsigned int)&fiq_number[1]; -+ fiq_buffer[7] = 0; -+} -+ -+ - /* - * Write pen_release in a way that is guaranteed to be visible to all - * observers, irrespective of whether they're taking part in coherency - * or not. This is necessary for the hotplug code to work reliably. - */ --static void write_pen_release(int val) -+static void __cpuinit write_pen_release(int val) - { - pen_release = val; - smp_wmb(); -@@ -63,12 +118,25 @@ void __cpuinit platform_secondary_init(u - gic_secondary_init(0); - - /* -+ * Setup Secondary Core FIQ regs -+ */ -+ cns3xxx_set_fiq_regs(); -+ -+ /* - * let the primary processor know we're out of the - * pen, then head off into the C entry point - */ - write_pen_release(-1); - - /* -+ * Fixup DMA Operations -+ * -+ */ -+ cpu_cache.dma_map_area = (void *)smp_dma_map_area; -+ cpu_cache.dma_unmap_area = (void *)smp_dma_unmap_area; -+ cpu_cache.dma_flush_range = (void *)smp_dma_flush_range; -+ -+ /* - * Synchronise with the boot thread. - */ - spin_lock(&boot_lock); -@@ -171,4 +239,112 @@ void __init platform_smp_prepare_cpus(un - */ - __raw_writel(virt_to_phys(cns3xxx_secondary_startup), - (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0600)); -+ -+ /* -+ * Setup FIQ's for main cpu -+ */ -+ cns3xxx_init_fiq(); -+ cns3xxx_set_fiq_regs(); -+ memcpy((void *)&cpu_cache_save, (void *)&cpu_cache, sizeof(struct cpu_cache_fns)); -+} -+ -+ -+static inline unsigned long cns3xxx_cpu_id(void) -+{ -+ unsigned long cpu; -+ -+ asm volatile( -+ " mrc p15, 0, %0, c0, c0, 5 @ cns3xxx_cpu_id\n" -+ : "=r" (cpu) : : "memory", "cc"); -+ return (cpu & 0xf); -+} -+ -+void smp_dma_map_area(const void *addr, size_t size, int dir) -+{ -+ unsigned int cpu; -+ unsigned long flags; -+ raw_local_irq_save(flags); -+ cpu = cns3xxx_cpu_id(); -+ if (cpu) { -+ fiq_buffer[1] = (unsigned int)addr; -+ fiq_buffer[2] = size; -+ fiq_buffer[3] = dir | CNS3XXX_MAP_AREA | FIQ_ENABLED; -+ smp_mb(); -+ __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(1)); -+ -+ cpu_cache_save.dma_map_area(addr, size, dir); -+ while ((fiq_buffer[3]) & FIQ_ENABLED) { barrier(); } -+ } else { -+ -+ fiq_buffer[5] = (unsigned int)addr; -+ fiq_buffer[6] = size; -+ fiq_buffer[7] = dir | CNS3XXX_MAP_AREA | FIQ_ENABLED; -+ smp_mb(); -+ __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(0)); -+ -+ cpu_cache_save.dma_map_area(addr, size, dir); -+ while ((fiq_buffer[7]) & FIQ_ENABLED) { barrier(); } -+ } -+ raw_local_irq_restore(flags); -+} -+ -+void smp_dma_unmap_area(const void *addr, size_t size, int dir) -+{ -+ unsigned int cpu; -+ unsigned long flags; -+ -+ raw_local_irq_save(flags); -+ cpu = cns3xxx_cpu_id(); -+ if (cpu) { -+ -+ fiq_buffer[1] = (unsigned int)addr; -+ fiq_buffer[2] = size; -+ fiq_buffer[3] = dir | CNS3XXX_UNMAP_AREA | FIQ_ENABLED; -+ smp_mb(); -+ __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(1)); -+ -+ cpu_cache_save.dma_unmap_area(addr, size, dir); -+ while ((fiq_buffer[3]) & FIQ_ENABLED) { barrier(); } -+ } else { -+ -+ fiq_buffer[5] = (unsigned int)addr; -+ fiq_buffer[6] = size; -+ fiq_buffer[7] = dir | CNS3XXX_UNMAP_AREA | FIQ_ENABLED; -+ smp_mb(); -+ __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(0)); -+ -+ cpu_cache_save.dma_unmap_area(addr, size, dir); -+ while ((fiq_buffer[7]) & FIQ_ENABLED) { barrier(); } -+ } -+ raw_local_irq_restore(flags); -+} -+ -+void smp_dma_flush_range(const void *start, const void *end) -+{ -+ unsigned int cpu; -+ unsigned long flags; -+ raw_local_irq_save(flags); -+ cpu = cns3xxx_cpu_id(); -+ if (cpu) { -+ -+ fiq_buffer[1] = (unsigned int)start; -+ fiq_buffer[2] = (unsigned int)end; -+ fiq_buffer[3] = CNS3XXX_FLUSH_RANGE | FIQ_ENABLED; -+ smp_mb(); -+ __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(1)); -+ -+ cpu_cache_save.dma_flush_range(start, end); -+ while ((fiq_buffer[3]) & FIQ_ENABLED) { barrier(); } -+ } else { -+ -+ fiq_buffer[5] = (unsigned int)start; -+ fiq_buffer[6] = (unsigned int)end; -+ fiq_buffer[7] = CNS3XXX_FLUSH_RANGE | FIQ_ENABLED; -+ smp_mb(); -+ __raw_writel(FIQ_GENERATE, MISC_FIQ_CPU(0)); -+ -+ cpu_cache_save.dma_flush_range(start, end); -+ while ((fiq_buffer[7]) & FIQ_ENABLED) { barrier(); } -+ } -+ raw_local_irq_restore(flags); - } --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -793,7 +793,7 @@ config NEEDS_SYSCALL_FOR_CMPXCHG diff --git a/target/linux/cns3xxx/patches-3.3/470-gpio_irq.patch b/target/linux/cns3xxx/patches-3.3/470-gpio_irq.patch index c5de35fe42..cb80d6419b 100644 --- a/target/linux/cns3xxx/patches-3.3/470-gpio_irq.patch +++ b/target/linux/cns3xxx/patches-3.3/470-gpio_irq.patch @@ -104,413 +104,6 @@ } /* used by entry-macro.S */ ---- /dev/null -+++ b/arch/arm/mach-cns3xxx/gpio.c -@@ -0,0 +1,277 @@ -+/* -+ * Copyright 2012 Gateworks Corporation -+ * Chris Lang <clang@gateworks.com> -+ * Tim Harvey <tharvey@gateworks.com> -+ * -+ * This file is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License, Version 2, as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/module.h> -+#include <linux/init.h> -+#include <linux/interrupt.h> -+#include <linux/io.h> -+#include <linux/gpio.h> -+#include <linux/irq.h> -+ -+#include <asm/mach/irq.h> -+ -+/* -+ * Registers -+ */ -+#define GPIO_INPUT 0x04 -+#define GPIO_DIR 0x08 -+#define GPIO_SET 0x10 -+#define GPIO_CLEAR 0x14 -+#define GPIO_INTERRUPT_ENABLE 0x20 -+#define GPIO_INTERRUPT_RAW_STATUS 0x24 -+#define GPIO_INTERRUPT_MASKED_STATUS 0x28 -+#define GPIO_INTERRUPT_MASK 0x2C -+#define GPIO_INTERRUPT_CLEAR 0x30 -+#define GPIO_INTERRUPT_TRIGGER_METHOD 0x34 -+#define GPIO_INTERRUPT_TRIGGER_BOTH_EDGES 0x38 -+#define GPIO_INTERRUPT_TRIGGER_TYPE 0x3C -+ -+#define GPIO_INTERRUPT_TRIGGER_METHOD_EDGE 0 -+#define GPIO_INTERRUPT_TRIGGER_METHOD_LEVEL 1 -+#define GPIO_INTERRUPT_TRIGGER_EDGE_SINGLE 0 -+#define GPIO_INTERRUPT_TRIGGER_EDGE_BOTH 1 -+#define GPIO_INTERRUPT_TRIGGER_TYPE_RISING 0 -+#define GPIO_INTERRUPT_TRIGGER_TYPE_FALLING 1 -+#define GPIO_INTERRUPT_TRIGGER_TYPE_HIGH 0 -+#define GPIO_INTERRUPT_TRIGGER_TYPE_LOW 1 -+ -+struct cns3xxx_gpio_chip { -+ struct gpio_chip chip; -+ spinlock_t lock; -+ void __iomem *base; -+ int secondary_irq_base; -+}; -+ -+static struct cns3xxx_gpio_chip cns3xxx_gpio_chips[2]; -+static int cns3xxx_gpio_chip_count; -+ -+static inline void -+__set_direction(struct cns3xxx_gpio_chip *cchip, unsigned pin, int input) -+{ -+ u32 reg; -+ -+ reg = __raw_readl(cchip->base + GPIO_DIR); -+ if (input) -+ reg |= 1 << pin; -+ else -+ reg &= !(1 << pin); -+ __raw_writel(reg, cchip->base + GPIO_DIR); -+} -+ -+/* -+ * GENERIC_GPIO primatives -+ */ -+static int cns3xxx_gpio_direction_input(struct gpio_chip *chip, unsigned pin) -+{ -+ struct cns3xxx_gpio_chip *cchip = -+ container_of(chip, struct cns3xxx_gpio_chip, chip); -+ unsigned long flags; -+ -+ spin_lock_irqsave(&cchip->lock, flags); -+ __set_direction(cchip, pin, 1); -+ spin_unlock_irqrestore(&cchip->lock, flags); -+ -+ return 0; -+} -+ -+static int cns3xxx_gpio_get(struct gpio_chip *chip, unsigned pin) -+{ -+ struct cns3xxx_gpio_chip *cchip = -+ container_of(chip, struct cns3xxx_gpio_chip, chip); -+ int val; -+ -+ val = ((__raw_readl(cchip->base + GPIO_INPUT) >> pin) & 0x1); -+ -+ return val; -+} -+ -+static int cns3xxx_gpio_direction_output(struct gpio_chip *chip, unsigned pin, int level) -+{ -+ struct cns3xxx_gpio_chip *cchip = -+ container_of(chip, struct cns3xxx_gpio_chip, chip); -+ unsigned long flags; -+ -+ spin_lock_irqsave(&cchip->lock, flags); -+ if (level) -+ __raw_writel(1 << pin, cchip->base + GPIO_SET); -+ else -+ __raw_writel(1 << pin, cchip->base + GPIO_CLEAR); -+ __set_direction(cchip, pin, 0); -+ spin_unlock_irqrestore(&cchip->lock, flags); -+ -+ return 0; -+} -+ -+static void cns3xxx_gpio_set(struct gpio_chip *chip, unsigned pin, -+ int level) -+{ -+ struct cns3xxx_gpio_chip *cchip = -+ container_of(chip, struct cns3xxx_gpio_chip, chip); -+ -+ if (level) -+ __raw_writel(1 << pin, cchip->base + GPIO_SET); -+ else -+ __raw_writel(1 << pin, cchip->base + GPIO_CLEAR); -+} -+ -+static int cns3xxx_gpio_to_irq(struct gpio_chip *chip, unsigned pin) -+{ -+ struct cns3xxx_gpio_chip *cchip = -+ container_of(chip, struct cns3xxx_gpio_chip, chip); -+ -+ return cchip->secondary_irq_base + pin; -+} -+ -+ -+/* -+ * IRQ support -+ */ -+ -+/* one interrupt per GPIO controller (GPIOA/GPIOB) -+ * this is called in task context, with IRQs enabled -+ */ -+static void cns3xxx_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) -+{ -+ struct cns3xxx_gpio_chip *cchip = irq_get_handler_data(irq); -+ struct irq_chip *chip = irq_get_chip(irq); -+ struct irq_chip_generic *gc = irq_desc_get_chip_data(desc); -+ struct irq_chip_type *ct = gc->chip_types; -+ u16 i; -+ u32 reg; -+ -+ chained_irq_enter(chip, desc); /* mask and ack the base interrupt */ -+ -+ /* see which pin(s) triggered the interrupt */ -+ reg = __raw_readl(cchip->base + GPIO_INTERRUPT_RAW_STATUS); -+ for (i = 0; i < 32; i++) { -+ if (reg & (1 << i)) { -+ /* let the generic IRQ layer handle an interrupt */ -+ generic_handle_irq(cchip->secondary_irq_base + i); -+ } -+ } -+ -+ chained_irq_exit(chip, desc); /* unmask the base interrupt */ -+} -+ -+static int cns3xxx_gpio_irq_set_type(struct irq_data *d, u32 irqtype) -+{ -+ struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); -+ struct cns3xxx_gpio_chip *cchip = gc->private; -+ u32 gpio = d->irq - cchip->secondary_irq_base; -+ unsigned long flags; -+ u32 method, edges, type; -+ -+ spin_lock_irqsave(&cchip->lock, flags); -+ method = __raw_readl(cchip->base + GPIO_INTERRUPT_TRIGGER_METHOD); -+ edges = __raw_readl(cchip->base + GPIO_INTERRUPT_TRIGGER_BOTH_EDGES); -+ type = __raw_readl(cchip->base + GPIO_INTERRUPT_TRIGGER_TYPE); -+ method &= ~(1 << gpio); -+ edges &= ~(1 << gpio); -+ type &= ~(1 << gpio); -+ -+ switch(irqtype) { -+ case IRQ_TYPE_EDGE_RISING: -+ method |= (GPIO_INTERRUPT_TRIGGER_METHOD_EDGE << gpio); -+ edges |= (GPIO_INTERRUPT_TRIGGER_EDGE_SINGLE << gpio); -+ type |= (GPIO_INTERRUPT_TRIGGER_TYPE_RISING << gpio); -+ break; -+ case IRQ_TYPE_EDGE_FALLING: -+ method |= (GPIO_INTERRUPT_TRIGGER_METHOD_EDGE << gpio); -+ edges |= (GPIO_INTERRUPT_TRIGGER_EDGE_SINGLE << gpio); -+ type |= (GPIO_INTERRUPT_TRIGGER_TYPE_FALLING << gpio); -+ break; -+ case IRQ_TYPE_EDGE_BOTH: -+ method |= (GPIO_INTERRUPT_TRIGGER_METHOD_EDGE << gpio); -+ edges |= (GPIO_INTERRUPT_TRIGGER_EDGE_BOTH << gpio); -+ break; -+ case IRQ_TYPE_LEVEL_LOW: -+ method |= (GPIO_INTERRUPT_TRIGGER_METHOD_LEVEL << gpio); -+ type |= (GPIO_INTERRUPT_TRIGGER_TYPE_LOW << gpio); -+ break; -+ case IRQ_TYPE_LEVEL_HIGH: -+ method |= (GPIO_INTERRUPT_TRIGGER_METHOD_LEVEL << gpio); -+ type |= (GPIO_INTERRUPT_TRIGGER_TYPE_HIGH << gpio); -+ break; -+ default: -+ printk(KERN_WARNING "No irq type\n"); -+ spin_unlock_irqrestore(&cchip->lock, flags); -+ return -EINVAL; -+ } -+ -+ __raw_writel(method, cchip->base + GPIO_INTERRUPT_TRIGGER_METHOD); -+ __raw_writel(edges, cchip->base + GPIO_INTERRUPT_TRIGGER_BOTH_EDGES); -+ __raw_writel(type, cchip->base + GPIO_INTERRUPT_TRIGGER_TYPE); -+ spin_unlock_irqrestore(&cchip->lock, flags); -+ -+ if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) -+ __irq_set_handler_locked(d->irq, handle_level_irq); -+ else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) -+ __irq_set_handler_locked(d->irq, handle_edge_irq); -+ -+ return 0; -+} -+ -+void __init cns3xxx_gpio_init(int gpio_base, int ngpio, -+ u32 base, int irq, int secondary_irq_base) -+{ -+ struct cns3xxx_gpio_chip *cchip; -+ struct irq_chip_generic *gc; -+ struct irq_chip_type *ct; -+ char gc_label[16]; -+ -+ if (cns3xxx_gpio_chip_count == ARRAY_SIZE(cns3xxx_gpio_chips)) -+ return; -+ -+ snprintf(gc_label, sizeof(gc_label), "cns3xxx_gpio%d", -+ cns3xxx_gpio_chip_count); -+ -+ cchip = cns3xxx_gpio_chips + cns3xxx_gpio_chip_count; -+ cchip->chip.label = kstrdup(gc_label, GFP_KERNEL); -+ cchip->chip.direction_input = cns3xxx_gpio_direction_input; -+ cchip->chip.get = cns3xxx_gpio_get; -+ cchip->chip.direction_output = cns3xxx_gpio_direction_output; -+ cchip->chip.set = cns3xxx_gpio_set; -+ cchip->chip.to_irq = cns3xxx_gpio_to_irq; -+ cchip->chip.base = gpio_base; -+ cchip->chip.ngpio = ngpio; -+ cchip->chip.can_sleep = 0; -+ spin_lock_init(&cchip->lock); -+ cchip->base = (void __iomem *)base; -+ cchip->secondary_irq_base = secondary_irq_base; -+ -+ BUG_ON(gpiochip_add(&cchip->chip) < 0); -+ cns3xxx_gpio_chip_count++; -+ -+ /* clear GPIO interrupts */ -+ __raw_writel(0xffff, cchip->base + GPIO_INTERRUPT_CLEAR); -+ -+ /* -+ * IRQ chip init -+ */ -+ gc = irq_alloc_generic_chip("cns3xxx_gpio_irq", 1, secondary_irq_base, -+ cchip->base, handle_edge_irq); -+ gc->private = cchip; -+ -+ ct = gc->chip_types; -+ ct->type = IRQ_TYPE_EDGE_FALLING; -+ ct->regs.ack = GPIO_INTERRUPT_CLEAR; -+ ct->regs.enable = GPIO_INTERRUPT_ENABLE; -+ ct->chip.irq_ack = irq_gc_ack_set_bit; -+ ct->chip.irq_enable = irq_gc_unmask_enable_reg; -+ ct->chip.irq_disable = irq_gc_mask_disable_reg; -+ ct->chip.irq_set_type = cns3xxx_gpio_irq_set_type; -+ ct->handler = handle_edge_irq; -+ -+ irq_setup_generic_chip(gc, IRQ_MSK(ngpio), IRQ_GC_INIT_MASK_CACHE, -+ IRQ_NOREQUEST, 0); -+ -+ irq_set_chained_handler(irq, cns3xxx_gpio_irq_handler); -+ irq_set_handler_data(irq, cchip); -+} ---- a/arch/arm/mach-cns3xxx/include/mach/gpio.h -+++ b/arch/arm/mach-cns3xxx/include/mach/gpio.h -@@ -1,98 +1,17 @@ - /* - * arch/arm/mach-cns3xxx/include/mach/gpio.h - * -- * CNS3xxx GPIO wrappers for arch-neutral GPIO calls -- * -- * Copyright 2011 Gateworks Corporation -- * Chris Lang <clang@gateworks.com> -- * -- * Based on IXP implementation by Milan Svoboda <msvoboda@ra.rockwell.com> -- * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com> -- * -- * This program is free software; you can redistribute it and/or modify -- * it under the terms of the GNU General Public License as published by -- * the Free Software Foundation; either version 2 of the License, or -- * (at your option) any later version. -- * -- * This program is distributed in the hope that it will be useful, -- * but WITHOUT ANY WARRANTY; without even the implied warranty of -- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- * GNU General Public License for more details. -- * -- * You should have received a copy of the GNU General Public License -- * along with this program; if not, write to the Free Software -- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -+ * This file is licensed under the terms of the GNU General Public -+ * License version 2. This program is licensed "as is" without any -+ * warranty of any kind, whether express or implied. - * - */ -- - #ifndef __ASM_ARCH_CNS3XXX_GPIO_H - #define __ASM_ARCH_CNS3XXX_GPIO_H - - #include <linux/kernel.h> --#include <linux/io.h> --#include <mach/platform.h> --#include <asm-generic/gpio.h> /* cansleep wrappers */ -- --#define NR_BUILTIN_GPIO 64 -- --#define CNS3XXX_GPIO_IN 0x0 --#define CNS3XXX_GPIO_OUT 0x1 -- --#define CNS3XXX_GPIO_LO 0 --#define CNS3XXX_GPIO_HI 1 -- --#define CNS3XXX_GPIO_OUTPUT 0x00 --#define CNS3XXX_GPIO_INPUT 0x04 --#define CNS3XXX_GPIO_DIR 0x08 --#define CNS3XXX_GPIO_SET 0x10 --#define CNS3XXX_GPIO_CLEAR 0x14 -- --static inline void gpio_line_get(u8 line, int *value) --{ -- if (line < 32) -- *value = ((__raw_readl(CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> line) & 0x1); -- else -- *value = ((__raw_readl(CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> (line - 32)) & 0x1); --} -- --static inline void gpio_line_set(u8 line, int value) --{ -- if (line < 32) { -- if (value) -- __raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_SET); -- else -- __raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_CLEAR); -- } else { -- if (value) -- __raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_SET); -- else -- __raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_CLEAR); -- } --} -- --static inline int gpio_get_value(unsigned gpio) --{ -- if (gpio < NR_BUILTIN_GPIO) -- { -- int value; -- gpio_line_get(gpio, &value); -- return value; -- } -- else -- return __gpio_get_value(gpio); --} -- --static inline void gpio_set_value(unsigned gpio, int value) --{ -- if (gpio < NR_BUILTIN_GPIO) -- gpio_line_set(gpio, value); -- else -- __gpio_set_value(gpio, value); --} -- --#define gpio_cansleep __gpio_cansleep - --extern int gpio_to_irq(int gpio); --extern int irq_to_gpio(int gpio); -+extern void __init cns3xxx_gpio_init(int gpio_base, int ngpio, -+ u32 base, int irq, int secondary_irq_base); - - #endif ---- a/arch/arm/mach-cns3xxx/laguna.c -+++ b/arch/arm/mach-cns3xxx/laguna.c -@@ -45,6 +45,7 @@ - #include <mach/irqs.h> - #include <mach/platform.h> - #include <mach/pm.h> -+#include <mach/gpio.h> - #include <asm/hardware/gic.h> - #include "core.h" - #include "devices.h" -@@ -759,6 +760,10 @@ static int __init laguna_model_setup(voi - u8 pcie_bitmap = 0; - - printk("Running on Gateworks Laguna %s\n", laguna_info.model); -+ cns3xxx_gpio_init( 0, 32, CNS3XXX_GPIOA_BASE_VIRT, IRQ_CNS3XXX_GPIOA, -+ NR_IRQS_CNS3XXX); -+ cns3xxx_gpio_init(32, 32, CNS3XXX_GPIOB_BASE_VIRT, IRQ_CNS3XXX_GPIOB, -+ NR_IRQS_CNS3XXX + 32); - - if (strncmp(laguna_info.model, "GW", 2) == 0) { - if (laguna_info.config_bitmap & ETH0_LOAD) --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -366,7 +366,8 @@ config ARCH_CLPS711X diff --git a/target/linux/cns3xxx/patches-3.3/480-cns3xxx_pcie_early_init.patch b/target/linux/cns3xxx/patches-3.3/480-cns3xxx_pcie_early_init.patch index 704a6f76c9..dba0da8438 100644 --- a/target/linux/cns3xxx/patches-3.3/480-cns3xxx_pcie_early_init.patch +++ b/target/linux/cns3xxx/patches-3.3/480-cns3xxx_pcie_early_init.patch @@ -51,61 +51,6 @@ void cns3xxx_power_off(void); void cns3xxx_restart(char, const char *); ---- a/arch/arm/mach-cns3xxx/laguna.c -+++ b/arch/arm/mach-cns3xxx/laguna.c -@@ -729,7 +731,7 @@ static struct map_desc laguna_io_desc[] - static void __init laguna_map_io(void) - { - cns3xxx_common_init(); -- cns3xxx_pcie_iotable_init(0x3); -+ cns3xxx_pcie_iotable_init(); - iotable_init(ARRAY_AND_SIZE(laguna_io_desc)); - laguna_early_serial_setup(); - } -@@ -753,11 +755,19 @@ static int laguna_register_gpio(struct g - return ret; - } - -+static int __init laguna_pcie_init(void) -+{ -+ if (!machine_is_gw2388()) -+ return 0; -+ -+ return cns3xxx_pcie_init(); -+} -+subsys_initcall(laguna_pcie_init); -+ - static int __init laguna_model_setup(void) - { - u32 __iomem *mem; - u32 reg; -- u8 pcie_bitmap = 0; - - printk("Running on Gateworks Laguna %s\n", laguna_info.model); - cns3xxx_gpio_init( 0, 32, CNS3XXX_GPIOA_BASE_VIRT, IRQ_CNS3XXX_GPIOA, -@@ -779,14 +789,6 @@ static int __init laguna_model_setup(voi - (laguna_info.config_bitmap & SATA1_LOAD)) - cns3xxx_ahci_init(); - -- if (laguna_info.config_bitmap & (PCIE0_LOAD)) -- pcie_bitmap |= 0x1; -- -- if (laguna_info.config_bitmap & (PCIE1_LOAD)) -- pcie_bitmap |= 0x2; -- -- cns3xxx_pcie_init(pcie_bitmap); -- - if (laguna_info.config_bitmap & (USB0_LOAD)) { - cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB); - -@@ -926,7 +928,6 @@ static int __init laguna_model_setup(voi - } - return 0; - } -- - late_initcall(laguna_model_setup); - - MACHINE_START(GW2388, "Gateworks Corporation Laguna Platform") --- a/arch/arm/mach-cns3xxx/pcie.c +++ b/arch/arm/mach-cns3xxx/pcie.c @@ -456,23 +456,18 @@ static int cns3xxx_pcie_abort_handler(un |