[U-Boot] [PATCH 2/3][v3] mtd/ifc: Add support of 8K page size NAND flash
Current IFC driver supports till 4K page size NAND flash. Add support of 8K NAND flash - Program Spare region size in csor_ext - Add nand_ecclayout for 4 bit & 8 bit ecc - Defines constants - Add support of 8K NAND boot.
Signed-off-by: Prabhakar Kushwaha prabhakar@freescale.com CC: Liu Po po.liu@freescale.com --- Changes for v2: sending as it is Changes for v3: Incorporated Liu Po's commetns - Updated fsl_ifc_spl 8K if conditional check
arch/powerpc/cpu/mpc8xxx/fsl_ifc.c | 24 +++++++++++ arch/powerpc/include/asm/fsl_ifc.h | 2 + drivers/mtd/nand/fsl_ifc_nand.c | 78 ++++++++++++++++++++++++++++++++++++ drivers/mtd/nand/fsl_ifc_spl.c | 5 ++- 4 files changed, 108 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c b/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c index 2d0fb43..64a5225 100644 --- a/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c +++ b/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c @@ -34,6 +34,9 @@ void init_early_memctl_regs(void) #ifdef CONFIG_SYS_CSPR0_EXT set_ifc_cspr_ext(IFC_CS0, CONFIG_SYS_CSPR0_EXT); #endif +#ifdef CONFIG_SYS_CSOR0_EXT + set_ifc_csor_ext(IFC_CS0, CONFIG_SYS_CSOR0_EXT); +#endif set_ifc_cspr(IFC_CS0, CONFIG_SYS_CSPR0); set_ifc_amask(IFC_CS0, CONFIG_SYS_AMASK0); set_ifc_csor(IFC_CS0, CONFIG_SYS_CSOR0); @@ -43,6 +46,9 @@ void init_early_memctl_regs(void) #ifdef CONFIG_SYS_CSPR1_EXT set_ifc_cspr_ext(IFC_CS1, CONFIG_SYS_CSPR1_EXT); #endif +#ifdef CONFIG_SYS_CSOR1_EXT + set_ifc_csor_ext(IFC_CS1, CONFIG_SYS_CSOR1_EXT); +#endif #if defined(CONFIG_SYS_CSPR1) && defined(CONFIG_SYS_CSOR1) set_ifc_ftim(IFC_CS1, IFC_FTIM0, CONFIG_SYS_CS1_FTIM0); set_ifc_ftim(IFC_CS1, IFC_FTIM1, CONFIG_SYS_CS1_FTIM1); @@ -57,6 +63,9 @@ void init_early_memctl_regs(void) #ifdef CONFIG_SYS_CSPR2_EXT set_ifc_cspr_ext(IFC_CS2, CONFIG_SYS_CSPR2_EXT); #endif +#ifdef CONFIG_SYS_CSOR2_EXT + set_ifc_csor_ext(IFC_CS2, CONFIG_SYS_CSOR2_EXT); +#endif #if defined(CONFIG_SYS_CSPR2) && defined(CONFIG_SYS_CSOR2) set_ifc_ftim(IFC_CS2, IFC_FTIM0, CONFIG_SYS_CS2_FTIM0); set_ifc_ftim(IFC_CS2, IFC_FTIM1, CONFIG_SYS_CS2_FTIM1); @@ -71,6 +80,9 @@ void init_early_memctl_regs(void) #ifdef CONFIG_SYS_CSPR3_EXT set_ifc_cspr_ext(IFC_CS3, CONFIG_SYS_CSPR3_EXT); #endif +#ifdef CONFIG_SYS_CSOR3_EXT + set_ifc_csor_ext(IFC_CS3, CONFIG_SYS_CSOR3_EXT); +#endif #if defined(CONFIG_SYS_CSPR3) && defined(CONFIG_SYS_CSOR3) set_ifc_ftim(IFC_CS3, IFC_FTIM0, CONFIG_SYS_CS3_FTIM0); set_ifc_ftim(IFC_CS3, IFC_FTIM1, CONFIG_SYS_CS3_FTIM1); @@ -85,6 +97,9 @@ void init_early_memctl_regs(void) #ifdef CONFIG_SYS_CSPR4_EXT set_ifc_cspr_ext(IFC_CS4, CONFIG_SYS_CSPR4_EXT); #endif +#ifdef CONFIG_SYS_CSOR4_EXT + set_ifc_csor_ext(IFC_CS4, CONFIG_SYS_CSOR4_EXT); +#endif #if defined(CONFIG_SYS_CSPR4) && defined(CONFIG_SYS_CSOR4) set_ifc_ftim(IFC_CS4, IFC_FTIM0, CONFIG_SYS_CS4_FTIM0); set_ifc_ftim(IFC_CS4, IFC_FTIM1, CONFIG_SYS_CS4_FTIM1); @@ -99,6 +114,9 @@ void init_early_memctl_regs(void) #ifdef CONFIG_SYS_CSPR5_EXT set_ifc_cspr_ext(IFC_CS5, CONFIG_SYS_CSPR5_EXT); #endif +#ifdef CONFIG_SYS_CSOR5_EXT + set_ifc_csor_ext(IFC_CS5, CONFIG_SYS_CSOR5_EXT); +#endif #if defined(CONFIG_SYS_CSPR5) && defined(CONFIG_SYS_CSOR5) set_ifc_ftim(IFC_CS5, IFC_FTIM0, CONFIG_SYS_CS5_FTIM0); set_ifc_ftim(IFC_CS5, IFC_FTIM1, CONFIG_SYS_CS5_FTIM1); @@ -113,6 +131,9 @@ void init_early_memctl_regs(void) #ifdef CONFIG_SYS_CSPR6_EXT set_ifc_cspr_ext(IFC_CS6, CONFIG_SYS_CSPR6_EXT); #endif +#ifdef CONFIG_SYS_CSOR6_EXT + set_ifc_csor_ext(IFC_CS6, CONFIG_SYS_CSOR6_EXT); +#endif #if defined(CONFIG_SYS_CSPR6) && defined(CONFIG_SYS_CSOR6) set_ifc_ftim(IFC_CS6, IFC_FTIM0, CONFIG_SYS_CS6_FTIM0); set_ifc_ftim(IFC_CS6, IFC_FTIM1, CONFIG_SYS_CS6_FTIM1); @@ -127,6 +148,9 @@ void init_early_memctl_regs(void) #ifdef CONFIG_SYS_CSPR7_EXT set_ifc_cspr_ext(IFC_CS7, CONFIG_SYS_CSPR7_EXT); #endif +#ifdef CONFIG_SYS_CSOR7_EXT + set_ifc_csor_ext(IFC_CS7, CONFIG_SYS_CSOR7_EXT); +#endif #if defined(CONFIG_SYS_CSPR7) && defined(CONFIG_SYS_CSOR7) set_ifc_ftim(IFC_CS7, IFC_FTIM0, CONFIG_SYS_CS7_FTIM0); set_ifc_ftim(IFC_CS7, IFC_FTIM1, CONFIG_SYS_CS7_FTIM1); diff --git a/arch/powerpc/include/asm/fsl_ifc.h b/arch/powerpc/include/asm/fsl_ifc.h index a945e4b..182b1a6 100644 --- a/arch/powerpc/include/asm/fsl_ifc.h +++ b/arch/powerpc/include/asm/fsl_ifc.h @@ -77,6 +77,7 @@ #define CSOR_NAND_PGS_512 0x00000000 #define CSOR_NAND_PGS_2K 0x00080000 #define CSOR_NAND_PGS_4K 0x00100000 +#define CSOR_NAND_PGS_8K 0x00180000 /* Spare region Size */ #define CSOR_NAND_SPRZ_MASK 0x0000E000 #define CSOR_NAND_SPRZ_SHIFT 13 @@ -86,6 +87,7 @@ #define CSOR_NAND_SPRZ_210 0x00006000 #define CSOR_NAND_SPRZ_218 0x00008000 #define CSOR_NAND_SPRZ_224 0x0000A000 +#define CSOR_NAND_SPRZ_CSOR_EXT 0x0000C000 /* Pages Per Block */ #define CSOR_NAND_PB_MASK 0x00000700 #define CSOR_NAND_PB_SHIFT 8 diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 98a09c0..cfed549 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -125,6 +125,69 @@ static struct nand_ecclayout oob_4096_ecc8 = { .oobfree = { {2, 6}, {136, 82} }, };
+/* 8192-byte page size with 4-bit ECC */ +static struct nand_ecclayout oob_8192_ecc4 = { + .eccbytes = 128, + .eccpos = { + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 65, 66, 67, 68, 69, 70, 71, + 72, 73, 74, 75, 76, 77, 78, 79, + 80, 81, 82, 83, 84, 85, 86, 87, + 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, + 104, 105, 106, 107, 108, 109, 110, 111, + 112, 113, 114, 115, 116, 117, 118, 119, + 120, 121, 122, 123, 124, 125, 126, 127, + 128, 129, 130, 131, 132, 133, 134, 135, + }, + .oobfree = { {2, 6}, {136, 208} }, +}; + +/* 8192-byte page size with 8-bit ECC -- requires 218-byte OOB */ +static struct nand_ecclayout oob_8192_ecc8 = { + .eccbytes = 256, + .eccpos = { + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + 64, 65, 66, 67, 68, 69, 70, 71, + 72, 73, 74, 75, 76, 77, 78, 79, + 80, 81, 82, 83, 84, 85, 86, 87, + 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, + 104, 105, 106, 107, 108, 109, 110, 111, + 112, 113, 114, 115, 116, 117, 118, 119, + 120, 121, 122, 123, 124, 125, 126, 127, + 128, 129, 130, 131, 132, 133, 134, 135, + 136, 137, 138, 139, 140, 141, 142, 143, + 144, 145, 146, 147, 148, 149, 150, 151, + 152, 153, 154, 155, 156, 157, 158, 159, + 160, 161, 162, 163, 164, 165, 166, 167, + 168, 169, 170, 171, 172, 173, 174, 175, + 176, 177, 178, 179, 180, 181, 182, 183, + 184, 185, 186, 187, 188, 189, 190, 191, + 192, 193, 194, 195, 196, 197, 198, 199, + 200, 201, 202, 203, 204, 205, 206, 207, + 208, 209, 210, 211, 212, 213, 214, 215, + 216, 217, 218, 219, 220, 221, 222, 223, + 224, 225, 226, 227, 228, 229, 230, 231, + 232, 233, 234, 235, 236, 237, 238, 239, + 240, 241, 242, 243, 244, 245, 246, 247, + 248, 249, 250, 251, 252, 253, 254, 255, + 256, 257, 258, 259, 260, 261, 262, 263, + }, + .oobfree = { {2, 6}, {264, 80} }, +};
/* * Generic flash bbt descriptors @@ -902,6 +965,21 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr) priv->bufnum_mask = 1; break;
+ case CSOR_NAND_PGS_8K: + if ((csor & CSOR_NAND_ECC_MODE_MASK) == + CSOR_NAND_ECC_MODE_4) { + layout = &oob_8192_ecc4; + nand->ecc.strength = 4; + } else { + layout = &oob_8192_ecc8; + nand->ecc.strength = 8; + nand->ecc.bytes = 16; + } + + priv->bufnum_mask = 0; + break; + + default: printf("ifc nand: bad csor %#x: bad page size\n", csor); return -ENODEV; diff --git a/drivers/mtd/nand/fsl_ifc_spl.c b/drivers/mtd/nand/fsl_ifc_spl.c index d462265..72bd61b 100644 --- a/drivers/mtd/nand/fsl_ifc_spl.c +++ b/drivers/mtd/nand/fsl_ifc_spl.c @@ -112,7 +112,10 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
port_size = (cspr & CSPR_PORT_SIZE_16) ? 16 : 8;
- if (csor & CSOR_NAND_PGS_4K) { + if (csor & CSOR_NAND_PGS_8K) { + page_size = 8192; + bufnum_mask = 0x0; + } else if (csor & CSOR_NAND_PGS_4K) { page_size = 4096; bufnum_mask = 0x1; } else if (csor & CSOR_NAND_PGS_2K) {
participants (1)
-
Prabhakar Kushwaha