diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.6/060-ssb-add-serial-flash-driver.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.6/060-ssb-add-serial-flash-driver.patch | 100 |
1 files changed, 35 insertions, 65 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/060-ssb-add-serial-flash-driver.patch b/target/linux/brcm47xx/patches-3.6/060-ssb-add-serial-flash-driver.patch index 8b218f3070..c40a58ecaa 100644 --- a/target/linux/brcm47xx/patches-3.6/060-ssb-add-serial-flash-driver.patch +++ b/target/linux/brcm47xx/patches-3.6/060-ssb-add-serial-flash-driver.patch @@ -1,47 +1,36 @@ --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig -@@ -143,6 +143,11 @@ config SSB_EMBEDDED - depends on SSB_DRIVER_MIPS - default y +@@ -139,7 +139,7 @@ config SSB_DRIVER_MIPS -+config SSB_SFLASH -+ bool + config SSB_SFLASH + bool "SSB serial flash support" +- depends on SSB_DRIVER_MIPS && BROKEN + depends on SSB_DRIVER_MIPS -+ default y -+ - config SSB_DRIVER_EXTIF - bool "SSB Broadcom EXTIF core driver" - depends on SSB_DRIVER_MIPS ---- a/drivers/ssb/Makefile -+++ b/drivers/ssb/Makefile -@@ -11,6 +11,7 @@ ssb-$(CONFIG_SSB_SDIOHOST) += sdio.o - # built-in drivers - ssb-y += driver_chipcommon.o - ssb-y += driver_chipcommon_pmu.o -+ssb-$(CONFIG_SSB_SFLASH) += driver_chipcommon_sflash.o - ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o - ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o - ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o ---- /dev/null + default y + + # Assumption: We are on embedded, if we compile the MIPS core. +--- a/drivers/ssb/driver_chipcommon_sflash.c +++ b/drivers/ssb/driver_chipcommon_sflash.c -@@ -0,0 +1,395 @@ -+/* -+ * Broadcom specific AMBA -+ * ChipCommon serial flash interface +@@ -1,18 +1,395 @@ + /* + * Sonics Silicon Backplane + * ChipCommon serial flash interface + * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com> + * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de> + * Copyright 2010, Broadcom Corporation -+ * -+ * Licensed under the GNU/GPL. See COPYING for details. -+ */ -+ + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include <linux/platform_device.h> +#include <linux/delay.h> -+#include <linux/ssb/ssb.h> + #include <linux/ssb/ssb.h> +#include <linux/ssb/ssb_driver_chipcommon.h> -+ -+#include "ssb_private.h" -+ + + #include "ssb_private.h" + +-/* Initialize serial flash access */ +-int ssb_sflash_init(struct ssb_chipcommon *cc) +#define NUM_RETRIES 3 + +static struct resource ssb_sflash_resource = { @@ -169,7 +158,8 @@ + +/* Poll for command completion. Returns zero when complete. */ +static int ssb_sflash_poll(struct bcm47xx_sflash *dev, u32 offset) -+{ + { +- pr_err("Serial flash support is not implemented yet!\n"); + struct ssb_chipcommon *chipco = dev->scc; + + if (offset >= chipco->sflash.size) @@ -417,21 +407,10 @@ + ssb_sflash_dev.resource[0].end = ssb_sflash_dev.resource[0].start + + sflash->size; + ssb_sflash_dev.dev.platform_data = sflash; -+ + +- return -ENOTSUPP; + return 0; -+} ---- a/drivers/ssb/driver_mipscore.c -+++ b/drivers/ssb/driver_mipscore.c -@@ -203,7 +203,8 @@ static void ssb_mips_flash_detect(struct - 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"); -+ pr_debug("Found serial flash\n"); -+ ssb_sflash_init(&bus->chipco); - break; - case SSB_CHIPCO_FLASHT_PARA: - pr_debug("Found parallel flash\n"); + } --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -19,6 +19,7 @@ @@ -460,23 +439,14 @@ /* Unwind the already registered devices. */ --- a/drivers/ssb/ssb_private.h +++ b/drivers/ssb/ssb_private.h -@@ -242,4 +242,16 @@ static inline int ssb_watchdog_register( - } - #endif /* CONFIG_SSB_EMBEDDED */ - -+#ifdef CONFIG_SSB_SFLASH -+/* driver_chipcommon_sflash.c */ -+int ssb_sflash_init(struct ssb_chipcommon *chipco); +@@ -220,6 +220,7 @@ extern u32 ssb_chipco_watchdog_timer_set + /* driver_chipcommon_sflash.c */ + #ifdef CONFIG_SSB_SFLASH + int ssb_sflash_init(struct ssb_chipcommon *cc); +extern struct platform_device ssb_sflash_dev; -+#else -+static inline int ssb_sflash_init(struct ssb_chipcommon *chipco) -+{ -+ pr_err("Serial flash not supported\n"); -+ return 0; -+} -+#endif /* CONFIG_SSB_SFLASH */ -+ - #endif /* LINUX_SSB_PRIVATE_H_ */ + #else + static inline int ssb_sflash_init(struct ssb_chipcommon *cc) + { --- a/include/linux/ssb/ssb_driver_chipcommon.h +++ b/include/linux/ssb/ssb_driver_chipcommon.h @@ -13,6 +13,8 @@ @@ -515,7 +485,7 @@ #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 */ -@@ -593,6 +606,9 @@ struct ssb_chipcommon { +@@ -594,6 +607,9 @@ struct ssb_chipcommon { struct ssb_chipcommon_pmu pmu; u32 ticks_per_ms; u32 max_timer_ms; |