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brcm47xx: update bcma and ssb to master-2011-07-21

* add new patches for bcm4716 SoC
* add support for serial flash on bcma bus


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27723 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
hauke
2011-07-22 16:30:42 +00:00
parent 13a779d3f3
commit 31a40f97ef
42 changed files with 3314 additions and 767 deletions

View File

@@ -1,7 +1,7 @@
From 0a1a5fd8aab864e7b531ab88fd317ff7278d884d Mon Sep 17 00:00:00 2001
From 5961a1401605cd1941d5260a03b1dc2e8ae80619 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 05/14] bcma: add mips driver
Subject: [PATCH 05/22] 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
@@ -9,51 +9,49 @@ system.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/bcma/Kconfig | 11 ++-
drivers/bcma/Makefile | 1 +
drivers/bcma/driver_mips.c | 234 +++++++++++++++++++++++++++++++++
drivers/bcma/main.c | 19 +++
include/linux/bcma/bcma.h | 2 +
include/linux/bcma/bcma_driver_mips.h | 49 +++++++
6 files changed, 315 insertions(+), 1 deletions(-)
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
@@ -29,9 +29,18 @@ config BCMA_HOST_PCI
@@ -36,7 +36,16 @@ config BCMA_DRIVER_PCI_HOSTMODE
config BCMA_HOST_SOC
bool
- depends on BCMA && MIPS
+ depends on BCMA_DRIVER_MIPS
default n
+
+config BCMA_DRIVER_MIPS
+ bool "BCMA Broadcom MIPS core driver"
+ depends on BCMA && MIPS
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"
depends on BCMA
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -1,6 +1,7 @@
bcma-y += main.o scan.o core.o sprom.o
@@ -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 +1,234 @@
@@ -0,0 +1,243 @@
+/*
+ * Broadcom specific AMBA
+ * Broadcom MIPS32 74K core driver
@@ -75,13 +73,22 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+#include <linux/serial_reg.h>
+#include <linux/time.h>
+
+/* The 47162a0 hangs when reading its registers */
+/* 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)
+{
@@ -117,15 +124,15 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+
+ 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.
+ * If disabled, 5 is returned.
+ */
+unsigned int bcma_core_mips_irq(struct bcma_device *dev)
+{
@@ -217,24 +224,24 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+{
+ struct bcma_bus *bus = mcore->core->bus;
+
+ mcore->flash_buswidth = 2;
+ if (bus->drv_cc.core) {
+ mcore->flash_window = 0x1c000000;
+ mcore->flash_window_size = 0x02000000;
+ 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:
+ if ((bcma_read32(bus->drv_cc.core, BCMA_CC_FLASH_CFG) &
+ BCMA_CC_OTPS) == 0)
+ mcore->flash_buswidth = 1;
+ break;
+ }
+ } else {
+ mcore->flash_window = 0x1fc00000;
+ mcore->flash_window_size = 0x00400000;
+ 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");
+ }
+}
+
@@ -290,7 +297,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+}
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -80,6 +80,7 @@ static int bcma_register_cores(struct bc
@@ -84,6 +84,7 @@ static int bcma_register_cores(struct bc
case BCMA_CORE_CHIPCOMMON:
case BCMA_CORE_PCI:
case BCMA_CORE_PCIE:
@@ -298,34 +305,30 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
continue;
}
@@ -141,6 +142,15 @@ int bcma_bus_register(struct bcma_bus *b
@@ -144,6 +145,13 @@ int bcma_bus_register(struct bcma_bus *b
bcma_core_chipcommon_init(&bus->drv_cc);
}
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+ /* 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);
+ }
+#endif
+
/* Init PCIE core */
core = bcma_find_core(bus, BCMA_CORE_PCIE);
if (core) {
@@ -208,6 +218,15 @@ int __init bcma_bus_early_register(struc
@@ -214,6 +222,13 @@ int __init bcma_bus_early_register(struc
bcma_core_chipcommon_init(&bus->drv_cc);
}
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+ /* 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);
+ }
+#endif
+
pr_info("Early bus registered\n");
@@ -340,7 +343,15 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
#include <linux/ssb/ssb.h> /* SPROM sharing */
#include "bcma_regs.h"
@@ -193,6 +194,7 @@ struct bcma_bus {
@@ -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;
@@ -348,6 +359,49 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
/* 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 @@
@@ -356,17 +410,17 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+
+#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
+#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
+#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
+#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
+#define BCMA_MIPS_IPSFLAG_IRQ4 0x3F000000
+#define BCMA_MIPS_IPSFLAG_IRQ4_SHIFT 24
+
+/* MIPS 74K core registers */
+#define BCMA_MIPS_MIPS74K_CORECTL 0x0000
@@ -389,13 +443,13 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ struct bcma_device *core;
+ u8 setup_done:1;
+ unsigned int assigned_irqs;
+
+ u8 flash_buswidth;
+ u32 flash_window;
+ u32 flash_window_size;
+};
+
+#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);
+