From 0499218dbcc30532bcc1b7b2ee44b8876675bced Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Tue, 9 Apr 2013 21:06:07 +0000 Subject: imx: Move some header files from arch-mxs to imx-common The following headers are moved to a i.MX common location: - regs-common.h - regs-apbh.h - regs-bch.h - regs-gpmi.h - dma.h This way this header can be re-used also by other i.MX platforms. For example the i.MX6 which will need it for the upcoming NAND support. Signed-off-by: Stefan Roese Cc: Stefano Babic Cc: Marek Vasut Cc: Fabio Estevam --- drivers/mtd/nand/mxs_nand.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/mtd') diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c index e38e1512540..c21fd692c2f 100644 --- a/drivers/mtd/nand/mxs_nand.c +++ b/drivers/mtd/nand/mxs_nand.c @@ -34,8 +34,10 @@ #include #include #include +#include +#include #include -#include +#include #define MXS_NAND_DMA_DESCRIPTOR_COUNT 4 -- cgit v1.2.3 From ae695b18df7c19ec3d062e36c1c25864096146f8 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Mon, 15 Apr 2013 21:14:12 +0000 Subject: mtd: mxs_nand: Add support for i.MX6 Signed-off-by: Stefan Roese Acked-by: Scott Wood Cc: Stefano Babic Cc: Marek Vasut Cc: Fabio Estevam --- arch/arm/cpu/armv7/mx6/soc.c | 7 +++++++ arch/arm/include/asm/imx-common/regs-bch.h | 10 ++++++++++ drivers/mtd/nand/mxs_nand.c | 11 +++++++++-- 3 files changed, 26 insertions(+), 2 deletions(-) (limited to 'drivers/mtd') diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 2ea8ca3bd35..69b848740b8 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -30,6 +30,7 @@ #include #include #include +#include #include struct scu_regs { @@ -151,6 +152,12 @@ int arch_cpu_init(void) set_vddsoc(1200); /* Set VDDSOC to 1.2V */ imx_set_wdog_powerdown(false); /* Disable PDE bit of WMCR register */ + +#ifdef CONFIG_APBH_DMA + /* Start APBH DMA */ + mxs_dma_init(); +#endif + return 0; } diff --git a/arch/arm/include/asm/imx-common/regs-bch.h b/arch/arm/include/asm/imx-common/regs-bch.h index 3a73de472cf..dbe7ac8ed69 100644 --- a/arch/arm/include/asm/imx-common/regs-bch.h +++ b/arch/arm/include/asm/imx-common/regs-bch.h @@ -136,8 +136,13 @@ struct mxs_bch_regs { #define BCH_FLASHLAYOUT0_NBLOCKS_OFFSET 24 #define BCH_FLASHLAYOUT0_META_SIZE_MASK (0xff << 16) #define BCH_FLASHLAYOUT0_META_SIZE_OFFSET 16 +#if defined(CONFIG_MX6) +#define BCH_FLASHLAYOUT0_ECC0_MASK (0x1f << 11) +#define BCH_FLASHLAYOUT0_ECC0_OFFSET 11 +#else #define BCH_FLASHLAYOUT0_ECC0_MASK (0xf << 12) #define BCH_FLASHLAYOUT0_ECC0_OFFSET 12 +#endif #define BCH_FLASHLAYOUT0_ECC0_NONE (0x0 << 12) #define BCH_FLASHLAYOUT0_ECC0_ECC2 (0x1 << 12) #define BCH_FLASHLAYOUT0_ECC0_ECC4 (0x2 << 12) @@ -161,8 +166,13 @@ struct mxs_bch_regs { #define BCH_FLASHLAYOUT1_PAGE_SIZE_MASK (0xffff << 16) #define BCH_FLASHLAYOUT1_PAGE_SIZE_OFFSET 16 +#if defined(CONFIG_MX6) +#define BCH_FLASHLAYOUT1_ECCN_MASK (0x1f << 11) +#define BCH_FLASHLAYOUT1_ECCN_OFFSET 11 +#else #define BCH_FLASHLAYOUT1_ECCN_MASK (0xf << 12) #define BCH_FLASHLAYOUT1_ECCN_OFFSET 12 +#endif #define BCH_FLASHLAYOUT1_ECCN_NONE (0x0 << 12) #define BCH_FLASHLAYOUT1_ECCN_ECC2 (0x1 << 12) #define BCH_FLASHLAYOUT1_ECCN_ECC4 (0x2 << 12) diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c index c21fd692c2f..398e4ddc155 100644 --- a/drivers/mtd/nand/mxs_nand.c +++ b/drivers/mtd/nand/mxs_nand.c @@ -42,6 +42,11 @@ #define MXS_NAND_DMA_DESCRIPTOR_COUNT 4 #define MXS_NAND_CHUNK_DATA_CHUNK_SIZE 512 +#if defined(CONFIG_MX6) +#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT 2 +#else +#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT 0 +#endif #define MXS_NAND_METADATA_SIZE 10 #define MXS_NAND_COMMAND_BUFFER_SIZE 32 @@ -982,14 +987,16 @@ static int mxs_nand_scan_bbt(struct mtd_info *mtd) tmp |= MXS_NAND_METADATA_SIZE << BCH_FLASHLAYOUT0_META_SIZE_OFFSET; tmp |= (mxs_nand_get_ecc_strength(mtd->writesize, mtd->oobsize) >> 1) << BCH_FLASHLAYOUT0_ECC0_OFFSET; - tmp |= MXS_NAND_CHUNK_DATA_CHUNK_SIZE; + tmp |= MXS_NAND_CHUNK_DATA_CHUNK_SIZE + >> MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT; writel(tmp, &bch_regs->hw_bch_flash0layout0); tmp = (mtd->writesize + mtd->oobsize) << BCH_FLASHLAYOUT1_PAGE_SIZE_OFFSET; tmp |= (mxs_nand_get_ecc_strength(mtd->writesize, mtd->oobsize) >> 1) << BCH_FLASHLAYOUT1_ECCN_OFFSET; - tmp |= MXS_NAND_CHUNK_DATA_CHUNK_SIZE; + tmp |= MXS_NAND_CHUNK_DATA_CHUNK_SIZE + >> MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT; writel(tmp, &bch_regs->hw_bch_flash0layout1); /* Set *all* chip selects to use layout 0 */ -- cgit v1.2.3 From 5c651e86ca6d88ae8016578f01fb4daf6d8d4fbc Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sun, 21 Apr 2013 05:52:23 +0000 Subject: nand: Add SPL_NAND support to mxc_nand_spl Add support for generic NAND SPL via the SPL framework into the mxc_nand_spl driver. This is basically just a simple rename and publication of the already implemented functions. To avoid the bare-bones functions getting in the way of the NAND_SPL, build them only if CONFIG_SPL_FRAMEWORK is not defined. Also make sure the requested payload is aligned to full pages, otherwise this simple driver fails to load the last page. Signed-off-by: Marek Vasut Cc: Albert ARIBAUD Cc: Benoît Thébaudeau Cc: Fabio Estevam Cc: Scott Wood Cc: Stefano Babic Cc: Tom Rini Acked-by: Scott Wood --- drivers/mtd/nand/mxc_nand_spl.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'drivers/mtd') diff --git a/drivers/mtd/nand/mxc_nand_spl.c b/drivers/mtd/nand/mxc_nand_spl.c index 09f23c30c4e..5608352a451 100644 --- a/drivers/mtd/nand/mxc_nand_spl.c +++ b/drivers/mtd/nand/mxc_nand_spl.c @@ -290,7 +290,7 @@ static int is_badblock(int pagenumber) return 0; } -static int nand_load(unsigned int from, unsigned int size, unsigned char *buf) +int nand_spl_load_image(uint32_t from, unsigned int size, void *buf) { int i; unsigned int page; @@ -303,6 +303,7 @@ static int nand_load(unsigned int from, unsigned int size, unsigned char *buf) page = from / CONFIG_SYS_NAND_PAGE_SIZE; i = 0; + size = roundup(size, CONFIG_SYS_NAND_PAGE_SIZE); while (i < size / CONFIG_SYS_NAND_PAGE_SIZE) { if (nfc_read_page(page, buf) < 0) return -1; @@ -332,6 +333,7 @@ static int nand_load(unsigned int from, unsigned int size, unsigned char *buf) return 0; } +#ifndef CONFIG_SPL_FRAMEWORK /* * The main entry for NAND booting. It's necessary that SDRAM is already * configured and available since this code loads the main U-Boot image @@ -345,8 +347,9 @@ void nand_boot(void) * CONFIG_SYS_NAND_U_BOOT_OFFS and CONFIG_SYS_NAND_U_BOOT_SIZE must * be aligned to full pages */ - if (!nand_load(CONFIG_SYS_NAND_U_BOOT_OFFS, CONFIG_SYS_NAND_U_BOOT_SIZE, - (uchar *)CONFIG_SYS_NAND_U_BOOT_DST)) { + if (!nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS, + CONFIG_SYS_NAND_U_BOOT_SIZE, + (uchar *)CONFIG_SYS_NAND_U_BOOT_DST)) { /* Copy from NAND successful, start U-boot */ uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START; uboot(); @@ -364,3 +367,7 @@ void hang(void) /* Loop forever */ while (1) ; } +#endif + +void nand_init(void) {} +void nand_deselect(void) {} -- cgit v1.2.3