[ixp4xx:] add support for the Tonze AP-422/425

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34165 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 280 insertions, 0 deletions

diff --git a/target/linux/ixp4xx/patches-3.3/530-ap42x_support.patch b/target/linux/ixp4xx/patches-3.3/530-ap42x_support.patch
new file mode 100644
index 0000000000..c46fdbbd4f
--- /dev/null
+++ b/target/linux/ixp4xx/patches-3.3/530-ap42x_support.patch
@@ -0,0 +1,280 @@
+--- /dev/null
++++ b/arch/arm/mach-ixp4xx/ap42x-pci.c
+@@ -0,0 +1,64 @@
++/*
++ * arch/arch/mach-ixp4xx/ap42x-pci.c
++ *
++ * PCI setup routines for Tonze AP-422/425
++ *
++ * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
++ *
++ * based on coyote-pci.c:
++ *	Copyright (C) 2002 Jungo Software Technologies.
++ *	Copyright (C) 2003 MontaVista Softwrae, Inc.
++ *
++ * Maintainer: Imre Kaloz <kaloz@openwrt.org>
++ *
++ * 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/pci.h>
++#include <linux/init.h>
++#include <linux/irq.h>
++
++#include <asm/mach-types.h>
++#include <mach/hardware.h>
++
++#include <asm/mach/pci.h>
++
++void __init ap42x_pci_preinit(void)
++{
++	irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
++	irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
++
++	ixp4xx_pci_preinit();
++}
++
++static int __init ap42x_map_irq(const struct pci_dev *dev, u8 slot,
++	u8 pin)
++{
++	if (slot == 1)
++		return IRQ_IXP4XX_GPIO11;
++	else if (slot == 2)
++		return IRQ_IXP4XX_GPIO10;
++	else return -1;
++}
++
++struct hw_pci ap42x_pci __initdata = {
++	.nr_controllers = 1,
++	.preinit	= ap42x_pci_preinit,
++	.swizzle	= pci_std_swizzle,
++	.setup		= ixp4xx_setup,
++	.scan		= ixp4xx_scan_bus,
++	.map_irq	= ap42x_map_irq,
++};
++
++int __init ap42x_pci_init(void)
++{
++	if (machine_is_ap42x())
++		pci_common_init(&ap42x_pci);
++	return 0;
++}
++
++subsys_initcall(ap42x_pci_init);
+--- /dev/null
++++ b/arch/arm/mach-ixp4xx/ap42x-setup.c
+@@ -0,0 +1,163 @@
++/*
++ * arch/arm/mach-ixp4xx/ap42x-setup.c
++ *
++ * Board setup for the Tonze AP-42x boards
++ *
++ * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
++ *
++ * based on coyote-setup.c:
++ *      Copyright (C) 2003-2005 MontaVista Software, Inc.
++ *
++ * Author: Imre Kaloz <Kaloz@openwrt.org>
++ */
++
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/device.h>
++#include <linux/serial.h>
++#include <linux/tty.h>
++#include <linux/serial_8250.h>
++#include <linux/mtd/physmap.h>
++
++#include <asm/types.h>
++#include <asm/setup.h>
++#include <asm/memory.h>
++#include <mach/hardware.h>
++#include <asm/irq.h>
++#include <asm/mach-types.h>
++#include <asm/mach/arch.h>
++#include <asm/mach/flash.h>
++
++static struct mtd_partition ap42x_flash_partitions[] = {
++	{
++		.name		= "RedBoot",
++		.offset		= 0x00000000,
++		.size		= 0x00080000,
++	}, {
++		.name		= "linux",
++		.offset		= 0x00080000,
++		.size		= 0x00100000,
++	}, {
++		.name		= "rootfs",
++		.offset		= 0x00180000,
++		.size		= 0x00660000,
++	}, {
++		.name		= "FIS directory",
++		.offset		= 0x007f8000,
++		.size		= 0x00007000,
++	}, {
++		.name		= "RedBoot config",
++		.offset		= 0x007ff000,
++		.size		= 0x00001000,
++	},
++};
++
++static struct physmap_flash_data ap42x_flash_data = {
++	.width		= 2,
++	.parts		= ap42x_flash_partitions,
++	.nr_parts	= ARRAY_SIZE(ap42x_flash_partitions),
++};
++
++static struct resource ap42x_flash_resource = {
++	.flags		= IORESOURCE_MEM,
++	.start		= IXP4XX_EXP_BUS_BASE_PHYS,
++	.end		= IXP4XX_EXP_BUS_BASE_PHYS + SZ_8M - 1,
++};
++
++static struct platform_device ap42x_flash = {
++	.name			= "physmap-flash",
++	.id			= 0,
++	.dev		= {
++		.platform_data	= &ap42x_flash_data,
++	},
++	.num_resources		= 1,
++	.resource		= &ap42x_flash_resource,
++};
++
++static struct resource ap42x_uart_resource = {
++	.start	= IXP4XX_UART2_BASE_PHYS,
++	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
++	.flags	= IORESOURCE_MEM,
++};
++
++static struct plat_serial8250_port ap42x_uart_data[] = {
++	{
++		.mapbase	= IXP4XX_UART2_BASE_PHYS,
++		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
++		.irq		= IRQ_IXP4XX_UART2,
++		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
++		.iotype		= UPIO_MEM,
++		.regshift	= 2,
++		.uartclk	= IXP4XX_UART_XTAL,
++	},
++	{ },
++};
++
++static struct platform_device ap42x_uart = {
++	.name		= "serial8250",
++	.id		= PLAT8250_DEV_PLATFORM,
++	.dev			= {
++		.platform_data	= ap42x_uart_data,
++	},
++	.num_resources	= 1,
++	.resource	= &ap42x_uart_resource,
++};
++
++static struct eth_plat_info ap42x_plat_eth[] = {
++	{
++		.phy		= 2,
++		.rxq		= 3,
++		.txreadyq	= 20,
++	}, {
++		.phy		= 1,
++		.rxq		= 4,
++		.txreadyq	= 21,
++	}
++};
++
++static struct platform_device ap42x_eth[] = {
++	{
++		.name			= "ixp4xx_eth",
++		.id			= IXP4XX_ETH_NPEB,
++		.dev.platform_data	= ap42x_plat_eth,
++	}, {
++		.name			= "ixp4xx_eth",
++		.id			= IXP4XX_ETH_NPEC,
++		.dev.platform_data	= ap42x_plat_eth + 1,
++	}
++};
++
++static struct platform_device *ap42x_devices[] __initdata = {
++	&ap42x_flash,
++	&ap42x_uart,
++	&ap42x_eth[0],
++	&ap42x_eth[1],
++};
++
++static void __init ap42x_init(void)
++{
++	ixp4xx_sys_init();
++
++	ap42x_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
++	ap42x_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
++
++	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
++	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
++
++	platform_add_devices(ap42x_devices, ARRAY_SIZE(ap42x_devices));
++}
++
++#ifdef CONFIG_MACH_AP42X
++MACHINE_START(AP42X, "Tonze AP-422/425")
++	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
++	.map_io		= ixp4xx_map_io,
++	.init_irq	= ixp4xx_init_irq,
++	.timer		= &ixp4xx_timer,
++	.atag_offset	= 0x100,
++	.init_machine	= ap42x_init,
++#if defined(CONFIG_PCI)
++	.dma_zone_size	= SZ_64M,
++#endif
++	.restart	= ixp4xx_restart,
++MACHINE_END
++#endif
+--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
++++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+@@ -45,7 +45,8 @@ static __inline__ void __arch_decomp_set
+ 	    machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
+ 	    machine_is_pronghorn() || machine_is_pronghorn_metro() ||
+ 	    machine_is_wrt300nv2() || machine_is_tw5334() ||
+-	    machine_is_usr8200() || machine_is_tw2662())
++	    machine_is_usr8200() || machine_is_tw2662() ||
++	    machine_is_ap42x())
+ 		uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
+ 	else
+ 		uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
+--- a/arch/arm/mach-ixp4xx/Kconfig
++++ b/arch/arm/mach-ixp4xx/Kconfig
+@@ -8,6 +8,14 @@ menu "Intel IXP4xx Implementation Option
+ 
+ comment "IXP4xx Platforms"
+ 
++config MACH_AP42X
++	bool "Tonze AP-422/425"
++	select PCI
++	help
++	  Say 'Y' here if you want your kernel to support Tonze's
++	  AP-422/425 boards. For more information on this platform,
++	  see http://tonze.com.tw
++
+ config MACH_NSLU2
+ 	bool
+ 	prompt "Linksys NSLU2"
+--- a/arch/arm/mach-ixp4xx/Makefile
++++ b/arch/arm/mach-ixp4xx/Makefile
+@@ -5,6 +5,7 @@
+ obj-pci-y	:=
+ obj-pci-n	:=
+ 
++obj-pci-$(CONFIG_MACH_AP42X)		+= ap42x-pci.o
+ obj-pci-$(CONFIG_ARCH_IXDP4XX)		+= ixdp425-pci.o
+ obj-pci-$(CONFIG_MACH_AVILA)		+= avila-pci.o
+ obj-pci-$(CONFIG_MACH_CAMBRIA)		+= cambria-pci.o
+@@ -32,6 +33,7 @@ obj-pci-$(CONFIG_MACH_USR8200)		+= usr82
+ 
+ obj-y	+= common.o
+ 
++obj-$(CONFIG_MACH_AP42X)	+= ap42x-setup.o
+ obj-$(CONFIG_ARCH_IXDP4XX)	+= ixdp425-setup.o
+ obj-$(CONFIG_MACH_AVILA)	+= avila-setup.o
+ obj-$(CONFIG_MACH_CAMBRIA)	+= cambria-setup.o