diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mtd/mtd_uboot.c | 9 | ||||
-rw-r--r-- | drivers/mtd/spi/sf_internal.h | 1 | ||||
-rw-r--r-- | drivers/mtd/spi/spi_flash.c | 2 | ||||
-rw-r--r-- | drivers/spi/davinci_spi.c | 47 |
4 files changed, 39 insertions, 20 deletions
diff --git a/drivers/mtd/mtd_uboot.c b/drivers/mtd/mtd_uboot.c index 6a211d52ff..7d7a11c990 100644 --- a/drivers/mtd/mtd_uboot.c +++ b/drivers/mtd/mtd_uboot.c @@ -104,7 +104,10 @@ int mtd_probe_devices(void) mtd_probe_uclass_mtd_devs(); /* Check if mtdparts/mtdids changed since last call, otherwise: exit */ - if (!strcmp(mtdparts, old_mtdparts) && !strcmp(mtdids, old_mtdids)) + if ((!mtdparts && !old_mtdparts && !mtdids && !old_mtdids) || + (mtdparts && old_mtdparts && mtdids && old_mtdids && + !strcmp(mtdparts, old_mtdparts) && + !strcmp(mtdids, old_mtdids))) return 0; /* Update the local copy of mtdparts */ @@ -140,6 +143,10 @@ int mtd_probe_devices(void) } } + /* If either mtdparts or mtdids is empty, then exit */ + if (!mtdparts || !mtdids) + return 0; + /* Start the parsing by ignoring the extra 'mtdparts=' prefix, if any */ if (strstr(mtdparts, "mtdparts=")) mtdparts += 9; diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h index 4f63cacc64..26f5c7c995 100644 --- a/drivers/mtd/spi/sf_internal.h +++ b/drivers/mtd/spi/sf_internal.h @@ -32,6 +32,7 @@ enum spi_nor_option_flags { /* CFI Manufacture ID's */ #define SPI_FLASH_CFI_MFR_SPANSION 0x01 #define SPI_FLASH_CFI_MFR_STMICRO 0x20 +#define SPI_FLASH_CFI_MFR_MICRON 0x2C #define SPI_FLASH_CFI_MFR_MACRONIX 0xc2 #define SPI_FLASH_CFI_MFR_SST 0xbf #define SPI_FLASH_CFI_MFR_WINBOND 0xef diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c index 9230060364..a87bacd4ac 100644 --- a/drivers/mtd/spi/spi_flash.c +++ b/drivers/mtd/spi/spi_flash.c @@ -1091,6 +1091,7 @@ static int set_quad_mode(struct spi_flash *flash, #endif #ifdef CONFIG_SPI_FLASH_STMICRO case SPI_FLASH_CFI_MFR_STMICRO: + case SPI_FLASH_CFI_MFR_MICRON: debug("SF: QEB is volatile for %02x flash\n", JEDEC_MFR(info)); return 0; #endif @@ -1178,6 +1179,7 @@ int spi_flash_scan(struct spi_flash *flash) #if defined(CONFIG_SPI_FLASH_STMICRO) || defined(CONFIG_SPI_FLASH_SST) /* NOR protection support for STmicro/Micron chips and similar */ if (JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_STMICRO || + JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_MICRON || JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_SST) { flash->flash_lock = stm_lock; flash->flash_unlock = stm_unlock; diff --git a/drivers/spi/davinci_spi.c b/drivers/spi/davinci_spi.c index a822858323..07fa5e3b8a 100644 --- a/drivers/spi/davinci_spi.c +++ b/drivers/spi/davinci_spi.c @@ -14,6 +14,7 @@ #include <asm/io.h> #include <asm/arch/hardware.h> #include <dm.h> +#include <dm/platform_data/spi_davinci.h> /* SPIGCR0 */ #define SPIGCR0_SPIENA_MASK 0x1 @@ -529,50 +530,58 @@ static int davinci_spi_xfer(struct udevice *dev, unsigned int bitlen, return __davinci_spi_xfer(ds, bitlen, dout, din, flags); } +static const struct dm_spi_ops davinci_spi_ops = { + .claim_bus = davinci_spi_claim_bus, + .release_bus = davinci_spi_release_bus, + .xfer = davinci_spi_xfer, + .set_speed = davinci_spi_set_speed, + .set_mode = davinci_spi_set_mode, +}; + static int davinci_spi_probe(struct udevice *bus) { - /* Nothing to do */ + struct davinci_spi_slave *ds = dev_get_priv(bus); + struct davinci_spi_platdata *plat = bus->platdata; + ds->regs = plat->regs; + ds->num_cs = plat->num_cs; + return 0; } +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) static int davinci_ofdata_to_platadata(struct udevice *bus) { - struct davinci_spi_slave *ds = dev_get_priv(bus); - const void *blob = gd->fdt_blob; - int node = dev_of_offset(bus); + struct davinci_spi_platdata *plat = bus->platdata; + fdt_addr_t addr; - ds->regs = devfdt_map_physmem(bus, sizeof(struct davinci_spi_regs)); - if (!ds->regs) { - printf("%s: could not map device address\n", __func__); + addr = devfdt_get_addr(bus); + if (addr == FDT_ADDR_T_NONE) return -EINVAL; - } - ds->num_cs = fdtdec_get_int(blob, node, "num-cs", 4); + + plat->regs = (struct davinci_spi_regs *)addr; + plat->num_cs = fdtdec_get_int(gd->fdt_blob, dev_of_offset(bus), "num-cs", 4); return 0; } -static const struct dm_spi_ops davinci_spi_ops = { - .claim_bus = davinci_spi_claim_bus, - .release_bus = davinci_spi_release_bus, - .xfer = davinci_spi_xfer, - .set_speed = davinci_spi_set_speed, - .set_mode = davinci_spi_set_mode, -}; - static const struct udevice_id davinci_spi_ids[] = { { .compatible = "ti,keystone-spi" }, { .compatible = "ti,dm6441-spi" }, { .compatible = "ti,da830-spi" }, { } }; +#endif U_BOOT_DRIVER(davinci_spi) = { .name = "davinci_spi", .id = UCLASS_SPI, +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) .of_match = davinci_spi_ids, - .ops = &davinci_spi_ops, .ofdata_to_platdata = davinci_ofdata_to_platadata, - .priv_auto_alloc_size = sizeof(struct davinci_spi_slave), + .platdata_auto_alloc_size = sizeof(struct davinci_spi_platdata), +#endif .probe = davinci_spi_probe, + .ops = &davinci_spi_ops, + .priv_auto_alloc_size = sizeof(struct davinci_spi_slave), }; #endif |