kernel: update bcma to the version from wireless-testing master-2014-09-04 tag

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 42447

1 files changed, 141 insertions, 0 deletions

diff --git a/target/linux/generic/patches-3.14/025-bcma_backport.patch b/target/linux/generic/patches-3.14/025-bcma_backport.patch
index 62a5aed..a9a8059 100644
--- a/target/linux/generic/patches-3.14/025-bcma_backport.patch
+++ b/target/linux/generic/patches-3.14/025-bcma_backport.patch
@@ -566,3 +566,144 @@
  	{ BCMA_CORE_ARMCA9, "ARM Cortex A9 core (ihost)" },
  	{ BCMA_CORE_AMEMC, "AMEMC (DDR)" },
  	{ BCMA_CORE_ALTA, "ALTA (I2S)" },
+@@ -421,10 +421,13 @@ static int bcma_get_next_core(struct bcm
+ 		core->io_addr = ioremap_nocache(core->addr, BCMA_CORE_SIZE);
+ 		if (!core->io_addr)
+ 			return -ENOMEM;
+-		core->io_wrap = ioremap_nocache(core->wrap, BCMA_CORE_SIZE);
+-		if (!core->io_wrap) {
+-			iounmap(core->io_addr);
+-			return -ENOMEM;
++		if (core->wrap) {
++			core->io_wrap = ioremap_nocache(core->wrap,
++							BCMA_CORE_SIZE);
++			if (!core->io_wrap) {
++				iounmap(core->io_addr);
++				return -ENOMEM;
++			}
+ 		}
+ 	}
+ 	return 0;
+--- a/drivers/bcma/host_soc.c
++++ b/drivers/bcma/host_soc.c
+@@ -134,12 +134,16 @@ static void bcma_host_soc_block_write(st
+ 
+ static u32 bcma_host_soc_aread32(struct bcma_device *core, u16 offset)
+ {
++	if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n"))
++		return ~0;
+ 	return readl(core->io_wrap + offset);
+ }
+ 
+ static void bcma_host_soc_awrite32(struct bcma_device *core, u16 offset,
+ 				  u32 value)
+ {
++	if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n"))
++		return;
+ 	writel(value, core->io_wrap + offset);
+ }
+ 
+--- a/drivers/bcma/driver_mips.c
++++ b/drivers/bcma/driver_mips.c
+@@ -21,6 +21,14 @@
+ #include <linux/serial_reg.h>
+ #include <linux/time.h>
+ 
++enum bcma_boot_dev {
++	BCMA_BOOT_DEV_UNK = 0,
++	BCMA_BOOT_DEV_ROM,
++	BCMA_BOOT_DEV_PARALLEL,
++	BCMA_BOOT_DEV_SERIAL,
++	BCMA_BOOT_DEV_NAND,
++};
++
+ static const char * const part_probes[] = { "bcm47xxpart", NULL };
+ 
+ static struct physmap_flash_data bcma_pflash_data = {
+@@ -229,11 +237,51 @@ u32 bcma_cpu_clock(struct bcma_drv_mips
+ }
+ EXPORT_SYMBOL(bcma_cpu_clock);
+ 
++static enum bcma_boot_dev bcma_boot_dev(struct bcma_bus *bus)
++{
++	struct bcma_drv_cc *cc = &bus->drv_cc;
++	u8 cc_rev = cc->core->id.rev;
++
++	if (cc_rev == 42) {
++		struct bcma_device *core;
++
++		core = bcma_find_core(bus, BCMA_CORE_NS_ROM);
++		if (core) {
++			switch (bcma_aread32(core, BCMA_IOST) &
++				BCMA_NS_ROM_IOST_BOOT_DEV_MASK) {
++			case BCMA_NS_ROM_IOST_BOOT_DEV_NOR:
++				return BCMA_BOOT_DEV_SERIAL;
++			case BCMA_NS_ROM_IOST_BOOT_DEV_NAND:
++				return BCMA_BOOT_DEV_NAND;
++			case BCMA_NS_ROM_IOST_BOOT_DEV_ROM:
++			default:
++				return BCMA_BOOT_DEV_ROM;
++			}
++		}
++	} else {
++		if (cc_rev == 38) {
++			if (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT)
++				return BCMA_BOOT_DEV_NAND;
++			else if (cc->status & BIT(5))
++				return BCMA_BOOT_DEV_ROM;
++		}
++
++		if ((cc->capabilities & BCMA_CC_CAP_FLASHT) ==
++		    BCMA_CC_FLASHT_PARA)
++			return BCMA_BOOT_DEV_PARALLEL;
++		else
++			return BCMA_BOOT_DEV_SERIAL;
++	}
++
++	return BCMA_BOOT_DEV_SERIAL;
++}
++
+ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
+ {
+ 	struct bcma_bus *bus = mcore->core->bus;
+ 	struct bcma_drv_cc *cc = &bus->drv_cc;
+ 	struct bcma_pflash *pflash = &cc->pflash;
++	enum bcma_boot_dev boot_dev;
+ 
+ 	switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
+ 	case BCMA_CC_FLASHT_STSER:
+@@ -269,6 +317,20 @@ static void bcma_core_mips_flash_detect(
+ 			bcma_nflash_init(cc);
+ 		}
+ 	}
++
++	/* Determine flash type this SoC boots from */
++	boot_dev = bcma_boot_dev(bus);
++	switch (boot_dev) {
++	case BCMA_BOOT_DEV_PARALLEL:
++	case BCMA_BOOT_DEV_SERIAL:
++		/* TODO: Init NVRAM using BCMA_SOC_FLASH2 window */
++		break;
++	case BCMA_BOOT_DEV_NAND:
++		/* TODO: Init NVRAM using BCMA_SOC_FLASH1 window */
++		break;
++	default:
++		break;
++	}
+ }
+ 
+ void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
+--- a/include/linux/bcma/bcma_regs.h
++++ b/include/linux/bcma/bcma_regs.h
+@@ -39,6 +39,11 @@
+ #define  BCMA_RESET_CTL_RESET		0x0001
+ #define BCMA_RESET_ST			0x0804
+ 
++#define BCMA_NS_ROM_IOST_BOOT_DEV_MASK	0x0003
++#define BCMA_NS_ROM_IOST_BOOT_DEV_NOR	0x0000
++#define BCMA_NS_ROM_IOST_BOOT_DEV_NAND	0x0001
++#define BCMA_NS_ROM_IOST_BOOT_DEV_ROM	0x0002
++
+ /* BCMA PCI config space registers. */
+ #define BCMA_PCI_PMCSR			0x44
+ #define  BCMA_PCI_PE			0x100