diff options
Diffstat (limited to 'package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch')
| -rw-r--r-- | package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch b/package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch new file mode 100644 index 0000000..d1768af --- /dev/null +++ b/package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch @@ -0,0 +1,87 @@ +From da11da943487e2f724f25d409bcaa1f099637c0b Mon Sep 17 00:00:00 2001 +From: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> +Date: Sun, 13 Oct 2013 14:56:45 +0200 +Subject: sf: add slim probe funtions for SPL + +Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> + +diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c +index 2bba10c..380aa09 100644 +--- a/drivers/mtd/spi/sf_probe.c ++++ b/drivers/mtd/spi/sf_probe.c +@@ -365,3 +365,58 @@ void spi_flash_free(struct spi_flash *flash) + spi_free_slave(flash->spi); + free(flash); + } ++ ++#ifdef CONFIG_SPI_SPL_SIMPLE ++int spl_spi_flash_probe(struct spi_flash *flash) ++{ ++ struct spi_slave *spi; ++ u8 idcode[5]; ++ int ret; ++ ++ /* Setup spi_slave */ ++ spi = spi_setup_slave(CONFIG_SPL_SPI_BUS, CONFIG_SPL_SPI_CS, ++ CONFIG_SPL_SPI_MAX_HZ, CONFIG_SPL_SPI_MODE); ++ if (!spi) { ++ debug("SF: Failed to set up slave\n"); ++ return -1; ++ } ++ ++ /* Claim spi bus */ ++ ret = spi_claim_bus(spi); ++ if (ret) { ++ debug("SF: Failed to claim SPI bus: %d\n", ret); ++ goto err_claim_bus; ++ } ++ ++ /* Read the ID codes */ ++ ret = spi_flash_cmd(spi, CMD_READ_ID, idcode, sizeof(idcode)); ++ if (ret) { ++ debug("SF: Failed to get idcodes\n"); ++ goto err_read_id; ++ } ++ ++ /* Validate params from spi_flash_params table */ ++ flash->spi = spi; ++ ret = spi_flash_validate_params(flash, idcode); ++ if (ret) ++ goto err_read_id; ++ ++ /* Release spi bus */ ++ spi_release_bus(spi); ++ ++ return 0; ++ ++err_read_id: ++ spi_release_bus(spi); ++err_claim_bus: ++ spi_free_slave(spi); ++ flash->spi = NULL; ++ ++ return ret; ++} ++ ++void spl_spi_flash_free(struct spi_flash *flash) ++{ ++ spi_free_slave(flash->spi); ++} ++#endif +diff --git a/include/spi_flash.h b/include/spi_flash.h +index 25ca8f1..411dd1b 100644 +--- a/include/spi_flash.h ++++ b/include/spi_flash.h +@@ -69,6 +69,9 @@ struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int spi_mode); + void spi_flash_free(struct spi_flash *flash); + ++int spl_spi_flash_probe(struct spi_flash *flash); ++void spl_spi_flash_free(struct spi_flash *flash); ++ + static inline int spi_flash_read(struct spi_flash *flash, u32 offset, + size_t len, void *buf) + { +-- +1.8.3.2 + |