Add support of loading image, binary for MMC and SPI during SPL boot.
Signed-off-by: Prabhakar Kushwaha prabhakar@freescale.com --- Changes for v2: new patch
drivers/mmc/fsl_esdhc_spl.c | 26 ++++++++++++++++++++++++++ drivers/mtd/spi/fsl_espi_spl.c | 14 ++++++++++++++ include/fsl_esdhc.h | 1 + include/spi_flash.h | 1 + 4 files changed, 42 insertions(+)
diff --git a/drivers/mmc/fsl_esdhc_spl.c b/drivers/mmc/fsl_esdhc_spl.c index e0bbf21..b1cb4b3 100644 --- a/drivers/mmc/fsl_esdhc_spl.c +++ b/drivers/mmc/fsl_esdhc_spl.c @@ -19,6 +19,32 @@ #define MBRDBR_BOOT_SIG_AA 0x1ff #define CONFIG_CFG_DATA_SECTOR 0
+ +void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst) +{ + uint blk_start, blk_cnt, err; + + struct mmc *mmc = find_mmc_device(0); + if (!mmc) { + puts("spl: mmc device not found!!\n"); + hang(); + } + + if (mmc_init(mmc)) { + puts("MMC init failed\n"); + return; + } + + blk_start = ALIGN(offs, mmc->read_bl_len) / mmc->read_bl_len; + blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len; + + err = mmc->block_dev.block_read(0, blk_start, blk_cnt, vdst); + if (err != blk_cnt) { + puts("spl: mmc read failed!!\n"); + hang(); + } +} + /* * The main entry for mmc booting. It's necessary that SDRAM is already * configured and available since this code loads the main U-Boot image diff --git a/drivers/mtd/spi/fsl_espi_spl.c b/drivers/mtd/spi/fsl_espi_spl.c index a55d741..b915469 100644 --- a/drivers/mtd/spi/fsl_espi_spl.c +++ b/drivers/mtd/spi/fsl_espi_spl.c @@ -12,6 +12,20 @@ #define ESPI_BOOT_IMAGE_ADDR 0x50 #define CONFIG_CFG_DATA_SECTOR 0
+void spi_spl_load_image(uint32_t offs, unsigned int size, void *vdst) +{ + struct spi_flash *flash; + + flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS, + CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE); + if (flash == NULL) { + puts("\nspi_flash_probe failed"); + hang(); + } + + spi_flash_read(flash, offs, size, vdst); +} + /* * The main entry for SPI booting. It's necessary that SDRAM is already * configured and available since this code loads the main U-Boot image diff --git a/include/fsl_esdhc.h b/include/fsl_esdhc.h index a6e3a5d..9814964 100644 --- a/include/fsl_esdhc.h +++ b/include/fsl_esdhc.h @@ -187,5 +187,6 @@ static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; } static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {} #endif /* CONFIG_FSL_ESDHC */ void __noreturn mmc_boot(void); +void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst);
#endif /* __FSL_ESDHC_H__ */ diff --git a/include/spi_flash.h b/include/spi_flash.h index 1a11286..2db53c7 100644 --- a/include/spi_flash.h +++ b/include/spi_flash.h @@ -158,5 +158,6 @@ static inline int spi_flash_erase(struct spi_flash *flash, u32 offset, }
void spi_boot(void) __noreturn; +void spi_spl_load_image(uint32_t offs, unsigned int size, void *vdst);
#endif /* _SPI_FLASH_H_ */