diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.0/0014-ssb-move-flash-to-chipcommon.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.0/0014-ssb-move-flash-to-chipcommon.patch | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.0/0014-ssb-move-flash-to-chipcommon.patch b/target/linux/brcm47xx/patches-3.0/0014-ssb-move-flash-to-chipcommon.patch new file mode 100644 index 0000000000..0d478883f3 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.0/0014-ssb-move-flash-to-chipcommon.patch @@ -0,0 +1,143 @@ +From be495ba9c365a31cf6a9fa0f67df9a9a9e0f1a1f Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Sat, 23 Jul 2011 23:57:06 +0200 +Subject: [PATCH 14/26] ssb: move flash to chipcommon + + +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +--- + arch/mips/bcm47xx/nvram.c | 8 +++--- + arch/mips/bcm47xx/wgt634u.c | 8 +++--- + drivers/ssb/driver_mipscore.c | 31 +++++++++++++++++++--------- + include/linux/ssb/ssb_driver_chipcommon.h | 18 ++++++++++++++++ + include/linux/ssb/ssb_driver_mips.h | 4 --- + 5 files changed, 47 insertions(+), 22 deletions(-) + +--- a/arch/mips/bcm47xx/nvram.c ++++ b/arch/mips/bcm47xx/nvram.c +@@ -27,7 +27,7 @@ static char nvram_buf[NVRAM_SPACE]; + static void early_nvram_init(void) + { + #ifdef CONFIG_BCM47XX_SSB +- struct ssb_mipscore *mcore_ssb; ++ struct ssb_chipcommon *ssb_cc; + #endif + #ifdef CONFIG_BCM47XX_BCMA + struct bcma_drv_cc *bcma_cc; +@@ -42,9 +42,9 @@ static void early_nvram_init(void) + switch (bcm47xx_bus_type) { + #ifdef CONFIG_BCM47XX_SSB + case BCM47XX_BUS_TYPE_SSB: +- mcore_ssb = &bcm47xx_bus.ssb.mipscore; +- base = mcore_ssb->flash_window; +- lim = mcore_ssb->flash_window_size; ++ ssb_cc = &bcm47xx_bus.ssb.chipco; ++ base = ssb_cc->pflash.window; ++ lim = ssb_cc->pflash.window_size; + break; + #endif + #ifdef CONFIG_BCM47XX_BCMA +--- a/arch/mips/bcm47xx/wgt634u.c ++++ b/arch/mips/bcm47xx/wgt634u.c +@@ -156,10 +156,10 @@ static int __init wgt634u_init(void) + SSB_CHIPCO_IRQ_GPIO); + } + +- wgt634u_flash_data.width = mcore->flash_buswidth; +- wgt634u_flash_resource.start = mcore->flash_window; +- wgt634u_flash_resource.end = mcore->flash_window +- + mcore->flash_window_size ++ wgt634u_flash_data.width = mcore->pflash.buswidth; ++ wgt634u_flash_resource.start = mcore->pflash.window; ++ wgt634u_flash_resource.end = mcore->pflash.window ++ + mcore->pflash.window_size + - 1; + return platform_add_devices(wgt634u_devices, + ARRAY_SIZE(wgt634u_devices)); +--- a/drivers/ssb/driver_mipscore.c ++++ b/drivers/ssb/driver_mipscore.c +@@ -190,16 +190,27 @@ static void ssb_mips_flash_detect(struct + { + struct ssb_bus *bus = mcore->dev->bus; + +- mcore->flash_buswidth = 2; +- if (bus->chipco.dev) { +- mcore->flash_window = 0x1c000000; +- mcore->flash_window_size = 0x02000000; +- if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG) +- & SSB_CHIPCO_CFG_DS16) == 0) +- mcore->flash_buswidth = 1; +- } else { +- mcore->flash_window = 0x1fc00000; +- mcore->flash_window_size = 0x00400000; ++ switch (bus->chipco.capabilities & SSB_CHIPCO_CAP_FLASHT) { ++ case SSB_CHIPCO_FLASHT_STSER: ++ case SSB_CHIPCO_FLASHT_ATSER: ++ pr_info("serial flash not supported.\n"); ++ break; ++ case SSB_CHIPCO_FLASHT_PARA: ++ pr_info("found parallel flash.\n"); ++ bus->chipco.flash_type = SSB_PFLASH; ++ bus->chipco.pflash.buswidth = 2; ++ if (bus->chipco.dev) { ++ bus->chipco.pflash.window = 0x1c000000; ++ bus->chipco.pflash.window_size = 0x02000000; ++ if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG) ++ & SSB_CHIPCO_CFG_DS16) == 0) ++ bus->chipco.pflash.buswidth = 1; ++ } else { ++ bus->chipco.pflash.window = 0x1fc00000; ++ bus->chipco.pflash.window_size = 0x00400000; ++ } ++ default: ++ pr_err("flash not supported.\n"); + } + } + +--- a/include/linux/ssb/ssb_driver_chipcommon.h ++++ b/include/linux/ssb/ssb_driver_chipcommon.h +@@ -582,6 +582,18 @@ struct ssb_chipcommon_pmu { + u32 crystalfreq; /* The active crystal frequency (in kHz) */ + }; + ++#ifdef CONFIG_SSB_DRIVER_MIPS ++enum ssb_flash_type { ++ SSB_PFLASH, ++}; ++ ++struct ssb_pflash { ++ u8 buswidth; ++ u32 window; ++ u32 window_size; ++}; ++#endif /* CONFIG_SSB_DRIVER_MIPS */ ++ + struct ssb_chipcommon { + struct ssb_device *dev; + u32 capabilities; +@@ -589,6 +601,12 @@ struct ssb_chipcommon { + /* Fast Powerup Delay constant */ + u16 fast_pwrup_delay; + struct ssb_chipcommon_pmu pmu; ++#ifdef CONFIG_SSB_DRIVER_MIPS ++ enum ssb_flash_type flash_type; ++ union { ++ struct ssb_pflash pflash; ++ }; ++#endif /* CONFIG_SSB_DRIVER_MIPS */ + }; + + static inline bool ssb_chipco_available(struct ssb_chipcommon *cc) +--- a/include/linux/ssb/ssb_driver_mips.h ++++ b/include/linux/ssb/ssb_driver_mips.h +@@ -19,10 +19,6 @@ struct ssb_mipscore { + + int nr_serial_ports; + struct ssb_serial_port serial_ports[4]; +- +- u8 flash_buswidth; +- u32 flash_window; +- u32 flash_window_size; + }; + + extern void ssb_mipscore_init(struct ssb_mipscore *mcore); |