diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/elm.c | 196 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/mem.c | 52 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-am33xx/mem.h | 5 | ||||
| -rw-r--r-- | arch/arm/include/asm/omap_elm.h (renamed from arch/arm/include/asm/arch-am33xx/elm.h) | 0 | ||||
| -rw-r--r-- | arch/arm/include/asm/omap_gpmc.h | 16 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/fsl_ifc.c | 24 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/fsl_ifc.h | 2 |
8 files changed, 71 insertions, 225 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/Makefile b/arch/arm/cpu/armv7/am33xx/Makefile index 966fcab71b..5566310d94 100644 --- a/arch/arm/cpu/armv7/am33xx/Makefile +++ b/arch/arm/cpu/armv7/am33xx/Makefile @@ -19,4 +19,3 @@ obj-y += ddr.o obj-y += emif4.o obj-y += board.o obj-y += mux.o -obj-$(CONFIG_NAND_OMAP_GPMC) += elm.o diff --git a/arch/arm/cpu/armv7/am33xx/elm.c b/arch/arm/cpu/armv7/am33xx/elm.c deleted file mode 100644 index 8f1d6afdd3..0000000000 --- a/arch/arm/cpu/armv7/am33xx/elm.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * (C) Copyright 2010-2011 Texas Instruments, <www.ti.com> - * Mansoor Ahamed <mansoor.ahamed@ti.com> - * - * BCH Error Location Module (ELM) support. - * - * NOTE: - * 1. Supports only continuous mode. Dont see need for page mode in uboot - * 2. Supports only syndrome polynomial 0. i.e. poly local variable is - * always set to ELM_DEFAULT_POLY. Dont see need for other polynomial - * sets in uboot - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/errno.h> -#include <asm/arch/cpu.h> -#include <asm/omap_gpmc.h> -#include <asm/arch/elm.h> - -#define ELM_DEFAULT_POLY (0) - -struct elm *elm_cfg; - -/** - * elm_load_syndromes - Load BCH syndromes based on nibble selection - * @syndrome: BCH syndrome - * @nibbles: - * @poly: Syndrome Polynomial set to use - * - * Load BCH syndromes based on nibble selection - */ -static void elm_load_syndromes(u8 *syndrome, u32 nibbles, u8 poly) -{ - u32 *ptr; - u32 val; - - /* reg 0 */ - ptr = &elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[0]; - val = syndrome[0] | (syndrome[1] << 8) | (syndrome[2] << 16) | - (syndrome[3] << 24); - writel(val, ptr); - /* reg 1 */ - ptr = &elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[1]; - val = syndrome[4] | (syndrome[5] << 8) | (syndrome[6] << 16) | - (syndrome[7] << 24); - writel(val, ptr); - - /* BCH 8-bit with 26 nibbles (4*8=32) */ - if (nibbles > 13) { - /* reg 2 */ - ptr = &elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[2]; - val = syndrome[8] | (syndrome[9] << 8) | (syndrome[10] << 16) | - (syndrome[11] << 24); - writel(val, ptr); - /* reg 3 */ - ptr = &elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[3]; - val = syndrome[12] | (syndrome[13] << 8) | - (syndrome[14] << 16) | (syndrome[15] << 24); - writel(val, ptr); - } - - /* BCH 16-bit with 52 nibbles (7*8=56) */ - if (nibbles > 26) { - /* reg 4 */ - ptr = &elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[4]; - val = syndrome[16] | (syndrome[17] << 8) | - (syndrome[18] << 16) | (syndrome[19] << 24); - writel(val, ptr); - - /* reg 5 */ - ptr = &elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[5]; - val = syndrome[20] | (syndrome[21] << 8) | - (syndrome[22] << 16) | (syndrome[23] << 24); - writel(val, ptr); - - /* reg 6 */ - ptr = &elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[6]; - val = syndrome[24] | (syndrome[25] << 8) | - (syndrome[26] << 16) | (syndrome[27] << 24); - writel(val, ptr); - } -} - -/** - * elm_check_errors - Check for BCH errors and return error locations - * @syndrome: BCH syndrome - * @nibbles: - * @error_count: Returns number of errrors in the syndrome - * @error_locations: Returns error locations (in decimal) in this array - * - * Check the provided syndrome for BCH errors and return error count - * and locations in the array passed. Returns -1 if error is not correctable, - * else returns 0 - */ -int elm_check_error(u8 *syndrome, u32 nibbles, u32 *error_count, - u32 *error_locations) -{ - u8 poly = ELM_DEFAULT_POLY; - s8 i; - u32 location_status; - - elm_load_syndromes(syndrome, nibbles, poly); - - /* start processing */ - writel((readl(&elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[6]) - | ELM_SYNDROME_FRAGMENT_6_SYNDROME_VALID), - &elm_cfg->syndrome_fragments[poly].syndrome_fragment_x[6]); - - /* wait for processing to complete */ - while ((readl(&elm_cfg->irqstatus) & (0x1 << poly)) != 0x1) - ; - /* clear status */ - writel((readl(&elm_cfg->irqstatus) | (0x1 << poly)), - &elm_cfg->irqstatus); - - /* check if correctable */ - location_status = readl(&elm_cfg->error_location[poly].location_status); - if (!(location_status & ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK)) - return -1; - - /* get error count */ - *error_count = readl(&elm_cfg->error_location[poly].location_status) & - ELM_LOCATION_STATUS_ECC_NB_ERRORS_MASK; - - for (i = 0; i < *error_count; i++) { - error_locations[i] = - readl(&elm_cfg->error_location[poly].error_location_x[i]); - } - - return 0; -} - - -/** - * elm_config - Configure ELM module - * @level: 4 / 8 / 16 bit BCH - * - * Configure ELM module based on BCH level. - * Set mode as continuous mode. - * Currently we are using only syndrome 0 and syndromes 1 to 6 are not used. - * Also, the mode is set only for syndrome 0 - */ -int elm_config(enum bch_level level) -{ - u32 val; - u8 poly = ELM_DEFAULT_POLY; - u32 buffer_size = 0x7FF; - - /* config size and level */ - val = (u32)(level) & ELM_LOCATION_CONFIG_ECC_BCH_LEVEL_MASK; - val |= ((buffer_size << ELM_LOCATION_CONFIG_ECC_SIZE_POS) & - ELM_LOCATION_CONFIG_ECC_SIZE_MASK); - writel(val, &elm_cfg->location_config); - - /* config continous mode */ - /* enable interrupt generation for syndrome polynomial set */ - writel((readl(&elm_cfg->irqenable) | (0x1 << poly)), - &elm_cfg->irqenable); - /* set continuous mode for the syndrome polynomial set */ - writel((readl(&elm_cfg->page_ctrl) & ~(0x1 << poly)), - &elm_cfg->page_ctrl); - - return 0; -} - -/** - * elm_reset - Do a soft reset of ELM - * - * Perform a soft reset of ELM and return after reset is done. - */ -void elm_reset(void) -{ - /* initiate reset */ - writel((readl(&elm_cfg->sysconfig) | ELM_SYSCONFIG_SOFTRESET), - &elm_cfg->sysconfig); - - /* wait for reset complete and normal operation */ - while ((readl(&elm_cfg->sysstatus) & ELM_SYSSTATUS_RESETDONE) != - ELM_SYSSTATUS_RESETDONE) - ; -} - -/** - * elm_init - Initialize ELM module - * - * Initialize ELM support. Currently it does only base address init - * and ELM reset. - */ -void elm_init(void) -{ - elm_cfg = (struct elm *)ELM_BASE; - elm_reset(); -} diff --git a/arch/arm/cpu/armv7/am33xx/mem.c b/arch/arm/cpu/armv7/am33xx/mem.c index b6eb46678f..56c9e7dbce 100644 --- a/arch/arm/cpu/armv7/am33xx/mem.c +++ b/arch/arm/cpu/armv7/am33xx/mem.c @@ -22,17 +22,6 @@ struct gpmc *gpmc_cfg; -#if defined(CONFIG_CMD_NAND) -static const u32 gpmc_m_nand[GPMC_MAX_REG] = { - M_NAND_GPMC_CONFIG1, - M_NAND_GPMC_CONFIG2, - M_NAND_GPMC_CONFIG3, - M_NAND_GPMC_CONFIG4, - M_NAND_GPMC_CONFIG5, - M_NAND_GPMC_CONFIG6, 0 -}; -#endif - void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base, u32 size) @@ -61,11 +50,34 @@ void gpmc_init(void) { /* putting a blanket check on GPMC based on ZeBu for now */ gpmc_cfg = (struct gpmc *)GPMC_BASE; - -#ifdef CONFIG_CMD_NAND - const u32 *gpmc_config = NULL; - u32 base = 0; +#if defined(CONFIG_NOR) +/* configure GPMC for NOR */ + const u32 gpmc_regs[GPMC_MAX_REG] = { STNOR_GPMC_CONFIG1, + STNOR_GPMC_CONFIG2, + STNOR_GPMC_CONFIG3, + STNOR_GPMC_CONFIG4, + STNOR_GPMC_CONFIG5, + STNOR_GPMC_CONFIG6, + STNOR_GPMC_CONFIG7 + }; + u32 size = GPMC_SIZE_16M; + u32 base = CONFIG_SYS_FLASH_BASE; +#elif defined(CONFIG_NAND) +/* configure GPMC for NAND */ + const u32 gpmc_regs[GPMC_MAX_REG] = { M_NAND_GPMC_CONFIG1, + M_NAND_GPMC_CONFIG2, + M_NAND_GPMC_CONFIG3, + M_NAND_GPMC_CONFIG4, + M_NAND_GPMC_CONFIG5, + M_NAND_GPMC_CONFIG6, + 0 + }; + u32 size = GPMC_SIZE_256M; + u32 base = CONFIG_SYS_NAND_BASE; +#else + const u32 gpmc_regs[GPMC_MAX_REG] = { 0, 0, 0, 0, 0, 0, 0 }; u32 size = 0; + u32 base = 0; #endif /* global settings */ writel(0x00000008, &gpmc_cfg->sysconfig); @@ -81,12 +93,6 @@ void gpmc_init(void) */ writel(0, &gpmc_cfg->cs[0].config7); sdelay(1000); - -#ifdef CONFIG_CMD_NAND - gpmc_config = gpmc_m_nand; - - base = PISMO1_NAND_BASE; - size = PISMO1_NAND_SIZE; - enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size); -#endif + /* enable chip-select specific configurations */ + enable_gpmc_cs_config(gpmc_regs, &gpmc_cfg->cs[0], base, size); } diff --git a/arch/arm/include/asm/arch-am33xx/mem.h b/arch/arm/include/asm/arch-am33xx/mem.h index 983ea28dc0..e7e8c58b00 100644 --- a/arch/arm/include/asm/arch-am33xx/mem.h +++ b/arch/arm/include/asm/arch-am33xx/mem.h @@ -68,9 +68,4 @@ #define PISMO2_NAND_CS0 7 #define PISMO2_NAND_CS1 8 -/* make it readable for the gpmc_init */ -#define PISMO1_NOR_BASE FLASH_BASE -#define PISMO1_NAND_BASE CONFIG_SYS_NAND_BASE -#define PISMO1_NAND_SIZE GPMC_SIZE_256M - #endif /* endif _MEM_H_ */ diff --git a/arch/arm/include/asm/arch-am33xx/elm.h b/arch/arm/include/asm/omap_elm.h index 45454eaf0f..45454eaf0f 100644 --- a/arch/arm/include/asm/arch-am33xx/elm.h +++ b/arch/arm/include/asm/omap_elm.h diff --git a/arch/arm/include/asm/omap_gpmc.h b/arch/arm/include/asm/omap_gpmc.h index dd40cb6c16..d4143ecd80 100644 --- a/arch/arm/include/asm/omap_gpmc.h +++ b/arch/arm/include/asm/omap_gpmc.h @@ -68,4 +68,20 @@ } #endif +enum omap_ecc { + /* 1-bit ECC calculation by Software, Error detection by Software */ + OMAP_ECC_HAM1_CODE_SW = 1, /* avoid un-initialized int can be 0x0 */ + /* 1-bit ECC calculation by GPMC, Error detection by Software */ + /* ECC layout compatible to legacy ROMCODE. */ + OMAP_ECC_HAM1_CODE_HW, + /* 4-bit ECC calculation by GPMC, Error detection by Software */ + OMAP_ECC_BCH4_CODE_HW_DETECTION_SW, + /* 4-bit ECC calculation by GPMC, Error detection by ELM */ + OMAP_ECC_BCH4_CODE_HW, + /* 8-bit ECC calculation by GPMC, Error detection by Software */ + OMAP_ECC_BCH8_CODE_HW_DETECTION_SW, + /* 8-bit ECC calculation by GPMC, Error detection by ELM */ + OMAP_ECC_BCH8_CODE_HW, +}; + #endif /* __ASM_OMAP_GPMC_H */ diff --git a/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c b/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c index 2d0fb433bc..64a52258a0 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 a945e4b2d4..182b1a6333 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 |