diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2013-01-25 11:36:26 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-01-30 15:06:46 -0500 |
| commit | c7a4a9e3880cc8cdc1f2958796e517d9d96ff7e0 (patch) | |
| tree | 1304991d04dc516c590320b996f976cf61e1f893 /drivers | |
| parent | f1ab57e3a114173fdb94219937191f0c673e87dd (diff) | |
| download | talos-op-linux-c7a4a9e3880cc8cdc1f2958796e517d9d96ff7e0.tar.gz talos-op-linux-c7a4a9e3880cc8cdc1f2958796e517d9d96ff7e0.zip | |
ssb: register platform device for parallel flash
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ssb/driver_mipscore.c | 29 | ||||
| -rw-r--r-- | drivers/ssb/main.c | 8 | ||||
| -rw-r--r-- | drivers/ssb/ssb_private.h | 4 |
3 files changed, 40 insertions, 1 deletions
diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c index 77bc8d4c1d5f..33b37dac40bd 100644 --- a/drivers/ssb/driver_mipscore.c +++ b/drivers/ssb/driver_mipscore.c @@ -10,6 +10,7 @@ #include <linux/ssb/ssb.h> +#include <linux/mtd/physmap.h> #include <linux/serial.h> #include <linux/serial_core.h> #include <linux/serial_reg.h> @@ -17,6 +18,25 @@ #include "ssb_private.h" +static const char *part_probes[] = { "bcm47xxpart", NULL }; + +static struct physmap_flash_data ssb_pflash_data = { + .part_probe_types = part_probes, +}; + +static struct resource ssb_pflash_resource = { + .name = "ssb_pflash", + .flags = IORESOURCE_MEM, +}; + +struct platform_device ssb_pflash_dev = { + .name = "physmap-flash", + .dev = { + .platform_data = &ssb_pflash_data, + }, + .resource = &ssb_pflash_resource, + .num_resources = 1, +}; static inline u32 mips_read32(struct ssb_mipscore *mcore, u16 offset) @@ -197,7 +217,7 @@ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore) pflash->buswidth = 2; pflash->window = SSB_FLASH1; pflash->window_size = SSB_FLASH1_SZ; - return; + goto ssb_pflash; } /* There is ChipCommon, so use it to read info about flash */ @@ -219,6 +239,13 @@ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore) pflash->buswidth = 2; break; } + +ssb_pflash: + if (pflash->present) { + ssb_pflash_data.width = pflash->buswidth; + ssb_pflash_resource.start = pflash->window; + ssb_pflash_resource.end = pflash->window + pflash->window_size; + } } u32 ssb_cpu_clock(struct ssb_mipscore *mcore) diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index c82c5c95fe85..db7705743a8f 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -540,6 +540,14 @@ static int ssb_devices_register(struct ssb_bus *bus) dev_idx++; } +#ifdef CONFIG_SSB_DRIVER_MIPS + if (bus->mipscore.pflash.present) { + err = platform_device_register(&ssb_pflash_dev); + if (err) + pr_err("Error registering parallel flash\n"); + } +#endif + return 0; error: /* Unwind the already registered devices. */ diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h index 77d942630750..53198dcec90e 100644 --- a/drivers/ssb/ssb_private.h +++ b/drivers/ssb/ssb_private.h @@ -228,6 +228,10 @@ static inline int ssb_sflash_init(struct ssb_chipcommon *cc) } #endif /* CONFIG_SSB_SFLASH */ +#ifdef CONFIG_SSB_DRIVER_MIPS +extern struct platform_device ssb_pflash_dev; +#endif + #ifdef CONFIG_SSB_DRIVER_EXTIF extern u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks); extern u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms); |
