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-rw-r--r--target/linux/brcm47xx/patches-3.0/0005-bcma-add-mips-driver.patch456
1 files changed, 0 insertions, 456 deletions
diff --git a/target/linux/brcm47xx/patches-3.0/0005-bcma-add-mips-driver.patch b/target/linux/brcm47xx/patches-3.0/0005-bcma-add-mips-driver.patch
deleted file mode 100644
index 31181a4883..0000000000
--- a/target/linux/brcm47xx/patches-3.0/0005-bcma-add-mips-driver.patch
+++ /dev/null
@@ -1,456 +0,0 @@
-From 3be3bbe24a1d49283864a1e1ea1d88a2e1700b50 Mon Sep 17 00:00:00 2001
-From: Hauke Mehrtens <hauke@hauke-m.de>
-Date: Mon, 6 Jun 2011 00:07:32 +0200
-Subject: [PATCH 05/26] bcma: add mips driver
-
-This adds a mips driver to bcma. This is only found on embedded
-devices. For now the driver just initializes the irqs used on this
-system.
-
-Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
----
- drivers/bcma/Kconfig | 9 +
- drivers/bcma/Makefile | 1 +
- drivers/bcma/driver_mips.c | 243 +++++++++++++++++++++++++++
- drivers/bcma/main.c | 15 ++
- include/linux/bcma/bcma.h | 3 +
- include/linux/bcma/bcma_driver_chipcommon.h | 13 ++
- include/linux/bcma/bcma_driver_mips.h | 49 ++++++
- 7 files changed, 333 insertions(+), 0 deletions(-)
- create mode 100644 drivers/bcma/driver_mips.c
- create mode 100644 include/linux/bcma/bcma_driver_mips.h
-
---- a/drivers/bcma/Kconfig
-+++ b/drivers/bcma/Kconfig
-@@ -36,7 +36,16 @@ config BCMA_DRIVER_PCI_HOSTMODE
-
- config BCMA_HOST_SOC
- bool
-+ depends on BCMA_DRIVER_MIPS
-+
-+config BCMA_DRIVER_MIPS
-+ bool "BCMA Broadcom MIPS core driver"
- depends on BCMA && MIPS
-+ help
-+ Driver for the Broadcom MIPS core attached to Broadcom specific
-+ Advanced Microcontroller Bus.
-+
-+ If unsure, say N
-
- config BCMA_DEBUG
- bool "BCMA debugging"
---- a/drivers/bcma/Makefile
-+++ b/drivers/bcma/Makefile
-@@ -2,6 +2,7 @@ bcma-y += main.o scan.o core.o sprom
- bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o
- bcma-y += driver_pci.o
- bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
-+bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
- bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o
- bcma-$(CONFIG_BCMA_HOST_SOC) += host_soc.o
- obj-$(CONFIG_BCMA) += bcma.o
---- /dev/null
-+++ b/drivers/bcma/driver_mips.c
-@@ -0,0 +1,243 @@
-+/*
-+ * Broadcom specific AMBA
-+ * Broadcom MIPS32 74K core driver
-+ *
-+ * Copyright 2009, Broadcom Corporation
-+ * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
-+ * Copyright 2010, Bernhard Loos <bernhardloos@googlemail.com>
-+ * Copyright 2011, Hauke Mehrtens <hauke@hauke-m.de>
-+ *
-+ * Licensed under the GNU/GPL. See COPYING for details.
-+ */
-+
-+#include "bcma_private.h"
-+
-+#include <linux/bcma/bcma.h>
-+
-+#include <linux/serial.h>
-+#include <linux/serial_core.h>
-+#include <linux/serial_reg.h>
-+#include <linux/time.h>
-+
-+/* The 47162a0 hangs when reading MIPS DMP registers registers */
-+static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev)
-+{
-+ return dev->bus->chipinfo.id == 47162 && dev->bus->chipinfo.rev == 0 &&
-+ dev->id.id == BCMA_CORE_MIPS_74K;
-+}
-+
-+/* The 5357b0 hangs when reading USB20H DMP registers */
-+static inline bool bcma_core_mips_bcm5357b0_quirk(struct bcma_device *dev)
-+{
-+ return (dev->bus->chipinfo.id == 0x5357 ||
-+ dev->bus->chipinfo.id == 0x4749) &&
-+ dev->bus->chipinfo.pkg == 11 &&
-+ dev->id.id == BCMA_CORE_USB20_HOST;
-+}
-+
-+static inline u32 mips_read32(struct bcma_drv_mips *mcore,
-+ u16 offset)
-+{
-+ return bcma_read32(mcore->core, offset);
-+}
-+
-+static inline void mips_write32(struct bcma_drv_mips *mcore,
-+ u16 offset,
-+ u32 value)
-+{
-+ bcma_write32(mcore->core, offset, value);
-+}
-+
-+static const u32 ipsflag_irq_mask[] = {
-+ 0,
-+ BCMA_MIPS_IPSFLAG_IRQ1,
-+ BCMA_MIPS_IPSFLAG_IRQ2,
-+ BCMA_MIPS_IPSFLAG_IRQ3,
-+ BCMA_MIPS_IPSFLAG_IRQ4,
-+};
-+
-+static const u32 ipsflag_irq_shift[] = {
-+ 0,
-+ BCMA_MIPS_IPSFLAG_IRQ1_SHIFT,
-+ BCMA_MIPS_IPSFLAG_IRQ2_SHIFT,
-+ BCMA_MIPS_IPSFLAG_IRQ3_SHIFT,
-+ BCMA_MIPS_IPSFLAG_IRQ4_SHIFT,
-+};
-+
-+static u32 bcma_core_mips_irqflag(struct bcma_device *dev)
-+{
-+ u32 flag;
-+
-+ if (bcma_core_mips_bcm47162a0_quirk(dev))
-+ return dev->core_index;
-+ if (bcma_core_mips_bcm5357b0_quirk(dev))
-+ return dev->core_index;
-+ flag = bcma_aread32(dev, BCMA_MIPS_OOBSELOUTA30);
-+
-+ return flag & 0x1F;
-+}
-+
-+/* Get the MIPS IRQ assignment for a specified device.
-+ * If unassigned, 0 is returned.
-+ */
-+unsigned int bcma_core_mips_irq(struct bcma_device *dev)
-+{
-+ struct bcma_device *mdev = dev->bus->drv_mips.core;
-+ u32 irqflag;
-+ unsigned int irq;
-+
-+ irqflag = bcma_core_mips_irqflag(dev);
-+
-+ for (irq = 1; irq <= 4; irq++)
-+ if (bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq)) &
-+ (1 << irqflag))
-+ return irq;
-+
-+ return 0;
-+}
-+EXPORT_SYMBOL(bcma_core_mips_irq);
-+
-+static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq)
-+{
-+ unsigned int oldirq = bcma_core_mips_irq(dev);
-+ struct bcma_bus *bus = dev->bus;
-+ struct bcma_device *mdev = bus->drv_mips.core;
-+ u32 irqflag;
-+
-+ irqflag = bcma_core_mips_irqflag(dev);
-+ BUG_ON(oldirq == 6);
-+
-+ dev->irq = irq + 2;
-+
-+ /* clear the old irq */
-+ if (oldirq == 0)
-+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0),
-+ bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) &
-+ ~(1 << irqflag));
-+ else
-+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq), 0);
-+
-+ /* assign the new one */
-+ if (irq == 0) {
-+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0),
-+ bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) |
-+ (1 << irqflag));
-+ } else {
-+ u32 oldirqflag = bcma_read32(mdev,
-+ BCMA_MIPS_MIPS74K_INTMASK(irq));
-+ if (oldirqflag) {
-+ struct bcma_device *core;
-+
-+ /* backplane irq line is in use, find out who uses
-+ * it and set user to irq 0
-+ */
-+ list_for_each_entry_reverse(core, &bus->cores, list) {
-+ if ((1 << bcma_core_mips_irqflag(core)) ==
-+ oldirqflag) {
-+ bcma_core_mips_set_irq(core, 0);
-+ break;
-+ }
-+ }
-+ }
-+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq),
-+ 1 << irqflag);
-+ }
-+
-+ pr_info("set_irq: core 0x%04x, irq %d => %d\n",
-+ dev->id.id, oldirq + 2, irq + 2);
-+}
-+
-+static void bcma_core_mips_print_irq(struct bcma_device *dev, unsigned int irq)
-+{
-+ int i;
-+ static const char *irq_name[] = {"2(S)", "3", "4", "5", "6", "D", "I"};
-+ printk(KERN_INFO KBUILD_MODNAME ": core 0x%04x, irq :", dev->id.id);
-+ for (i = 0; i <= 6; i++)
-+ printk(" %s%s", irq_name[i], i == irq ? "*" : " ");
-+ printk("\n");
-+}
-+
-+static void bcma_core_mips_dump_irq(struct bcma_bus *bus)
-+{
-+ struct bcma_device *core;
-+
-+ list_for_each_entry_reverse(core, &bus->cores, list) {
-+ bcma_core_mips_print_irq(core, bcma_core_mips_irq(core));
-+ }
-+}
-+
-+static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
-+{
-+ struct bcma_bus *bus = mcore->core->bus;
-+
-+ switch (bus->drv_cc.capabilities & BCMA_CC_CAP_FLASHT) {
-+ case BCMA_CC_FLASHT_STSER:
-+ case BCMA_CC_FLASHT_ATSER:
-+ pr_err("Serial flash not supported.\n");
-+ break;
-+ case BCMA_CC_FLASHT_PARA:
-+ pr_info("found parallel flash.\n");
-+ bus->drv_cc.pflash.window = 0x1c000000;
-+ bus->drv_cc.pflash.window_size = 0x02000000;
-+
-+ if ((bcma_read32(bus->drv_cc.core, BCMA_CC_FLASH_CFG) &
-+ BCMA_CC_FLASH_CFG_DS) == 0)
-+ bus->drv_cc.pflash.buswidth = 1;
-+ else
-+ bus->drv_cc.pflash.buswidth = 2;
-+ break;
-+ default:
-+ pr_err("flash not supported.\n");
-+ }
-+}
-+
-+void bcma_core_mips_init(struct bcma_drv_mips *mcore)
-+{
-+ struct bcma_bus *bus;
-+ struct bcma_device *core;
-+ bus = mcore->core->bus;
-+
-+ pr_info("Initializing MIPS core...\n");
-+
-+ if (!mcore->setup_done)
-+ mcore->assigned_irqs = 1;
-+
-+ /* Assign IRQs to all cores on the bus */
-+ list_for_each_entry_reverse(core, &bus->cores, list) {
-+ int mips_irq;
-+ if (core->irq)
-+ continue;
-+
-+ mips_irq = bcma_core_mips_irq(core);
-+ if (mips_irq > 4)
-+ core->irq = 0;
-+ else
-+ core->irq = mips_irq + 2;
-+ if (core->irq > 5)
-+ continue;
-+ switch (core->id.id) {
-+ case BCMA_CORE_PCI:
-+ case BCMA_CORE_PCIE:
-+ case BCMA_CORE_ETHERNET:
-+ case BCMA_CORE_ETHERNET_GBIT:
-+ case BCMA_CORE_MAC_GBIT:
-+ case BCMA_CORE_80211:
-+ case BCMA_CORE_USB20_HOST:
-+ /* These devices get their own IRQ line if available,
-+ * the rest goes on IRQ0
-+ */
-+ if (mcore->assigned_irqs <= 4)
-+ bcma_core_mips_set_irq(core,
-+ mcore->assigned_irqs++);
-+ break;
-+ }
-+ }
-+ pr_info("IRQ reconfiguration done\n");
-+ bcma_core_mips_dump_irq(bus);
-+
-+ if (mcore->setup_done)
-+ return;
-+
-+ bcma_core_mips_flash_detect(mcore);
-+ mcore->setup_done = true;
-+}
---- a/drivers/bcma/main.c
-+++ b/drivers/bcma/main.c
-@@ -84,6 +84,7 @@ static int bcma_register_cores(struct bc
- case BCMA_CORE_CHIPCOMMON:
- case BCMA_CORE_PCI:
- case BCMA_CORE_PCIE:
-+ case BCMA_CORE_MIPS_74K:
- continue;
- }
-
-@@ -147,6 +148,13 @@ int bcma_bus_register(struct bcma_bus *b
- bcma_core_chipcommon_init(&bus->drv_cc);
- }
-
-+ /* Init MIPS core */
-+ core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
-+ if (core) {
-+ bus->drv_mips.core = core;
-+ bcma_core_mips_init(&bus->drv_mips);
-+ }
-+
- /* Init PCIE core */
- core = bcma_find_core(bus, BCMA_CORE_PCIE);
- if (core) {
-@@ -217,6 +225,13 @@ int __init bcma_bus_early_register(struc
- bcma_core_chipcommon_init(&bus->drv_cc);
- }
-
-+ /* Init MIPS core */
-+ core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
-+ if (core) {
-+ bus->drv_mips.core = core;
-+ bcma_core_mips_init(&bus->drv_mips);
-+ }
-+
- pr_info("Early bus registered\n");
-
- return 0;
---- a/include/linux/bcma/bcma.h
-+++ b/include/linux/bcma/bcma.h
-@@ -6,6 +6,7 @@
-
- #include <linux/bcma/bcma_driver_chipcommon.h>
- #include <linux/bcma/bcma_driver_pci.h>
-+#include <linux/bcma/bcma_driver_mips.h>
- #include <linux/ssb/ssb.h> /* SPROM sharing */
-
- #include "bcma_regs.h"
-@@ -130,6 +131,7 @@ struct bcma_device {
-
- struct device dev;
- struct device *dma_dev;
-+
- unsigned int irq;
- bool dev_registered;
-
-@@ -197,6 +199,7 @@ struct bcma_bus {
-
- struct bcma_drv_cc drv_cc;
- struct bcma_drv_pci drv_pci;
-+ struct bcma_drv_mips drv_mips;
-
- /* We decided to share SPROM struct with SSB as long as we do not need
- * any hacks for BCMA. This simplifies drivers code. */
---- a/include/linux/bcma/bcma_driver_chipcommon.h
-+++ b/include/linux/bcma/bcma_driver_chipcommon.h
-@@ -24,6 +24,7 @@
- #define BCMA_CC_FLASHT_NONE 0x00000000 /* No flash */
- #define BCMA_CC_FLASHT_STSER 0x00000100 /* ST serial flash */
- #define BCMA_CC_FLASHT_ATSER 0x00000200 /* Atmel serial flash */
-+#define BCMA_CC_FLASHT_NFLASH 0x00000200
- #define BCMA_CC_FLASHT_PARA 0x00000700 /* Parallel flash */
- #define BCMA_CC_CAP_PLLT 0x00038000 /* PLL Type */
- #define BCMA_PLLTYPE_NONE 0x00000000
-@@ -178,6 +179,7 @@
- #define BCMA_CC_PROG_CFG 0x0120
- #define BCMA_CC_PROG_WAITCNT 0x0124
- #define BCMA_CC_FLASH_CFG 0x0128
-+#define BCMA_CC_FLASH_CFG_DS 0x0010 /* Data size, 0=8bit, 1=16bit */
- #define BCMA_CC_FLASH_WAITCNT 0x012C
- /* 0x1E0 is defined as shared BCMA_CLKCTLST */
- #define BCMA_CC_HW_WORKAROUND 0x01E4 /* Hardware workaround (rev >= 20) */
-@@ -247,6 +249,14 @@ struct bcma_chipcommon_pmu {
- u32 crystalfreq; /* The active crystal frequency (in kHz) */
- };
-
-+#ifdef CONFIG_BCMA_DRIVER_MIPS
-+struct bcma_pflash {
-+ u8 buswidth;
-+ u32 window;
-+ u32 window_size;
-+};
-+#endif /* CONFIG_BCMA_DRIVER_MIPS */
-+
- struct bcma_drv_cc {
- struct bcma_device *core;
- u32 status;
-@@ -256,6 +266,9 @@ struct bcma_drv_cc {
- /* Fast Powerup Delay constant */
- u16 fast_pwrup_delay;
- struct bcma_chipcommon_pmu pmu;
-+#ifdef CONFIG_BCMA_DRIVER_MIPS
-+ struct bcma_pflash pflash;
-+#endif /* CONFIG_BCMA_DRIVER_MIPS */
- };
-
- /* Register access */
---- /dev/null
-+++ b/include/linux/bcma/bcma_driver_mips.h
-@@ -0,0 +1,49 @@
-+#ifndef LINUX_BCMA_DRIVER_MIPS_H_
-+#define LINUX_BCMA_DRIVER_MIPS_H_
-+
-+#define BCMA_MIPS_IPSFLAG 0x0F08
-+/* which sbflags get routed to mips interrupt 1 */
-+#define BCMA_MIPS_IPSFLAG_IRQ1 0x0000003F
-+#define BCMA_MIPS_IPSFLAG_IRQ1_SHIFT 0
-+/* which sbflags get routed to mips interrupt 2 */
-+#define BCMA_MIPS_IPSFLAG_IRQ2 0x00003F00
-+#define BCMA_MIPS_IPSFLAG_IRQ2_SHIFT 8
-+/* which sbflags get routed to mips interrupt 3 */
-+#define BCMA_MIPS_IPSFLAG_IRQ3 0x003F0000
-+#define BCMA_MIPS_IPSFLAG_IRQ3_SHIFT 16
-+/* which sbflags get routed to mips interrupt 4 */
-+#define BCMA_MIPS_IPSFLAG_IRQ4 0x3F000000
-+#define BCMA_MIPS_IPSFLAG_IRQ4_SHIFT 24
-+
-+/* MIPS 74K core registers */
-+#define BCMA_MIPS_MIPS74K_CORECTL 0x0000
-+#define BCMA_MIPS_MIPS74K_EXCEPTBASE 0x0004
-+#define BCMA_MIPS_MIPS74K_BIST 0x000C
-+#define BCMA_MIPS_MIPS74K_INTMASK_INT0 0x0014
-+#define BCMA_MIPS_MIPS74K_INTMASK(int) \
-+ ((int) * 4 + BCMA_MIPS_MIPS74K_INTMASK_INT0)
-+#define BCMA_MIPS_MIPS74K_NMIMASK 0x002C
-+#define BCMA_MIPS_MIPS74K_GPIOSEL 0x0040
-+#define BCMA_MIPS_MIPS74K_GPIOOUT 0x0044
-+#define BCMA_MIPS_MIPS74K_GPIOEN 0x0048
-+#define BCMA_MIPS_MIPS74K_CLKCTLST 0x01E0
-+
-+#define BCMA_MIPS_OOBSELOUTA30 0x100
-+
-+struct bcma_device;
-+
-+struct bcma_drv_mips {
-+ struct bcma_device *core;
-+ u8 setup_done:1;
-+ unsigned int assigned_irqs;
-+};
-+
-+#ifdef CONFIG_BCMA_DRIVER_MIPS
-+extern void bcma_core_mips_init(struct bcma_drv_mips *mcore);
-+#else
-+static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { }
-+#endif
-+
-+extern unsigned int bcma_core_mips_irq(struct bcma_device *dev);
-+
-+#endif /* LINUX_BCMA_DRIVER_MIPS_H_ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 00:42:00 +0000