diff options
Diffstat (limited to 'target/linux/generic/patches-3.3/020-ssb_update.patch')
| -rw-r--r-- | target/linux/generic/patches-3.3/020-ssb_update.patch | 82 |
1 files changed, 81 insertions, 1 deletions
diff --git a/target/linux/generic/patches-3.3/020-ssb_update.patch b/target/linux/generic/patches-3.3/020-ssb_update.patch index e427574f77..10c70abbbb 100644 --- a/target/linux/generic/patches-3.3/020-ssb_update.patch +++ b/target/linux/generic/patches-3.3/020-ssb_update.patch @@ -100,7 +100,48 @@ +} --- a/drivers/ssb/driver_mipscore.c +++ b/drivers/ssb/driver_mipscore.c -@@ -208,6 +208,9 @@ u32 ssb_cpu_clock(struct ssb_mipscore *m +@@ -190,16 +190,32 @@ 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; ++ /* When there is no chipcommon on the bus there is 4MB flash */ ++ if (!bus->chipco.dev) { ++ mcore->pflash.present = true; ++ mcore->pflash.buswidth = 2; ++ mcore->pflash.window = SSB_FLASH1; ++ mcore->pflash.window_size = SSB_FLASH1_SZ; ++ return; ++ } ++ ++ /* There is ChipCommon, so use it to read info about flash */ ++ switch (bus->chipco.capabilities & SSB_CHIPCO_CAP_FLASHT) { ++ case SSB_CHIPCO_FLASHT_STSER: ++ case SSB_CHIPCO_FLASHT_ATSER: ++ pr_err("Serial flash not supported\n"); ++ break; ++ case SSB_CHIPCO_FLASHT_PARA: ++ pr_debug("Found parallel flash\n"); ++ mcore->pflash.present = true; ++ mcore->pflash.window = SSB_FLASH2; ++ mcore->pflash.window_size = SSB_FLASH2_SZ; + 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; ++ mcore->pflash.buswidth = 1; ++ else ++ mcore->pflash.buswidth = 2; ++ break; + } + } + +@@ -208,6 +224,9 @@ u32 ssb_cpu_clock(struct ssb_mipscore *m struct ssb_bus *bus = mcore->dev->bus; u32 pll_type, n, m, rate = 0; @@ -673,6 +714,19 @@ /* Vendor-ID values */ #define SSB_VENDOR_BROADCOM 0x4243 +--- a/include/linux/ssb/ssb_driver_chipcommon.h ++++ b/include/linux/ssb/ssb_driver_chipcommon.h +@@ -504,7 +504,9 @@ + #define SSB_CHIPCO_FLASHCTL_ST_SE 0x02D8 /* Sector Erase */ + #define SSB_CHIPCO_FLASHCTL_ST_BE 0x00C7 /* Bulk Erase */ + #define SSB_CHIPCO_FLASHCTL_ST_DP 0x00B9 /* Deep Power-down */ +-#define SSB_CHIPCO_FLASHCTL_ST_RSIG 0x03AB /* Read Electronic Signature */ ++#define SSB_CHIPCO_FLASHCTL_ST_RES 0x03AB /* Read Electronic Signature */ ++#define SSB_CHIPCO_FLASHCTL_ST_CSA 0x1000 /* Keep chip select asserted */ ++#define SSB_CHIPCO_FLASHCTL_ST_SSE 0x0220 /* Sub-sector Erase */ + + /* Status register bits for ST flashes */ + #define SSB_CHIPCO_FLASHSTA_ST_WIP 0x01 /* Write In Progress */ --- a/include/linux/ssb/ssb_driver_gige.h +++ b/include/linux/ssb/ssb_driver_gige.h @@ -2,6 +2,7 @@ @@ -683,6 +737,32 @@ #include <linux/pci.h> #include <linux/spinlock.h> +--- a/include/linux/ssb/ssb_driver_mips.h ++++ b/include/linux/ssb/ssb_driver_mips.h +@@ -13,6 +13,12 @@ struct ssb_serial_port { + unsigned int reg_shift; + }; + ++struct ssb_pflash { ++ bool present; ++ u8 buswidth; ++ u32 window; ++ u32 window_size; ++}; + + struct ssb_mipscore { + struct ssb_device *dev; +@@ -20,9 +26,7 @@ struct ssb_mipscore { + int nr_serial_ports; + struct ssb_serial_port serial_ports[4]; + +- u8 flash_buswidth; +- u32 flash_window; +- u32 flash_window_size; ++ struct ssb_pflash pflash; + }; + + extern void ssb_mipscore_init(struct ssb_mipscore *mcore); --- a/include/linux/ssb/ssb_regs.h +++ b/include/linux/ssb/ssb_regs.h @@ -228,6 +228,7 @@ |