diff options
Diffstat (limited to 'drivers/mtd/nand/nand_bcm_umi.h')
-rw-r--r-- | drivers/mtd/nand/nand_bcm_umi.h | 73 |
1 files changed, 36 insertions, 37 deletions
diff --git a/drivers/mtd/nand/nand_bcm_umi.h b/drivers/mtd/nand/nand_bcm_umi.h index 198b304d6f7..d90186684db 100644 --- a/drivers/mtd/nand/nand_bcm_umi.h +++ b/drivers/mtd/nand/nand_bcm_umi.h @@ -17,7 +17,7 @@ /* ---- Include Files ---------------------------------------------------- */ #include <mach/reg_umi.h> #include <mach/reg_nand.h> -#include <cfg_global.h> +#include <mach/cfg_global.h> /* ---- Constants and Types ---------------------------------------------- */ #if (CFG_GLOBAL_CHIP_FAMILY == CFG_GLOBAL_CHIP_FAMILY_BCMRING) @@ -48,7 +48,7 @@ int nand_bcm_umi_bch_correct_page(uint8_t *datap, uint8_t *readEccData, /* Check in device is ready */ static inline int nand_bcm_umi_dev_ready(void) { - return REG_UMI_NAND_RCSR & REG_UMI_NAND_RCSR_RDY; + return readl(®_UMI_NAND_RCSR) & REG_UMI_NAND_RCSR_RDY; } /* Wait until device is ready */ @@ -62,10 +62,11 @@ static inline void nand_bcm_umi_wait_till_ready(void) static inline void nand_bcm_umi_hamming_enable_hwecc(void) { /* disable and reset ECC, 512 byte page */ - REG_UMI_NAND_ECC_CSR &= ~(REG_UMI_NAND_ECC_CSR_ECC_ENABLE | - REG_UMI_NAND_ECC_CSR_256BYTE); + writel(readl(®_UMI_NAND_ECC_CSR) & ~(REG_UMI_NAND_ECC_CSR_ECC_ENABLE | + REG_UMI_NAND_ECC_CSR_256BYTE), ®_UMI_NAND_ECC_CSR); /* enable ECC */ - REG_UMI_NAND_ECC_CSR |= REG_UMI_NAND_ECC_CSR_ECC_ENABLE; + writel(readl(®_UMI_NAND_ECC_CSR) | REG_UMI_NAND_ECC_CSR_ECC_ENABLE, + ®_UMI_NAND_ECC_CSR); } #if NAND_ECC_BCH @@ -76,18 +77,18 @@ static inline void nand_bcm_umi_hamming_enable_hwecc(void) static inline void nand_bcm_umi_bch_enable_read_hwecc(void) { /* disable and reset ECC */ - REG_UMI_BCH_CTRL_STATUS = REG_UMI_BCH_CTRL_STATUS_RD_ECC_VALID; + writel(REG_UMI_BCH_CTRL_STATUS_RD_ECC_VALID, ®_UMI_BCH_CTRL_STATUS); /* Turn on ECC */ - REG_UMI_BCH_CTRL_STATUS = REG_UMI_BCH_CTRL_STATUS_ECC_RD_EN; + writel(REG_UMI_BCH_CTRL_STATUS_ECC_RD_EN, ®_UMI_BCH_CTRL_STATUS); } /* Enable BCH Write ECC */ static inline void nand_bcm_umi_bch_enable_write_hwecc(void) { /* disable and reset ECC */ - REG_UMI_BCH_CTRL_STATUS = REG_UMI_BCH_CTRL_STATUS_WR_ECC_VALID; + writel(REG_UMI_BCH_CTRL_STATUS_WR_ECC_VALID, ®_UMI_BCH_CTRL_STATUS); /* Turn on ECC */ - REG_UMI_BCH_CTRL_STATUS = REG_UMI_BCH_CTRL_STATUS_ECC_WR_EN; + writel(REG_UMI_BCH_CTRL_STATUS_ECC_WR_EN, ®_UMI_BCH_CTRL_STATUS); } /* Config number of BCH ECC bytes */ @@ -99,9 +100,9 @@ static inline void nand_bcm_umi_bch_config_ecc(uint8_t numEccBytes) uint32_t numBits = numEccBytes * 8; /* disable and reset ECC */ - REG_UMI_BCH_CTRL_STATUS = - REG_UMI_BCH_CTRL_STATUS_WR_ECC_VALID | - REG_UMI_BCH_CTRL_STATUS_RD_ECC_VALID; + writel(REG_UMI_BCH_CTRL_STATUS_WR_ECC_VALID | + REG_UMI_BCH_CTRL_STATUS_RD_ECC_VALID, + ®_UMI_BCH_CTRL_STATUS); /* Every correctible bit requires 13 ECC bits */ tValue = (uint32_t) (numBits / ECC_BITS_PER_CORRECTABLE_BIT); @@ -113,23 +114,21 @@ static inline void nand_bcm_umi_bch_config_ecc(uint8_t numEccBytes) kValue = nValue - (tValue * ECC_BITS_PER_CORRECTABLE_BIT); /* Write the settings */ - REG_UMI_BCH_N = nValue; - REG_UMI_BCH_T = tValue; - REG_UMI_BCH_K = kValue; + writel(nValue, ®_UMI_BCH_N); + writel(tValue, ®_UMI_BCH_T); + writel(kValue, ®_UMI_BCH_K); } /* Pause during ECC read calculation to skip bytes in OOB */ static inline void nand_bcm_umi_bch_pause_read_ecc_calc(void) { - REG_UMI_BCH_CTRL_STATUS = - REG_UMI_BCH_CTRL_STATUS_ECC_RD_EN | - REG_UMI_BCH_CTRL_STATUS_PAUSE_ECC_DEC; + writel(REG_UMI_BCH_CTRL_STATUS_ECC_RD_EN | REG_UMI_BCH_CTRL_STATUS_PAUSE_ECC_DEC, ®_UMI_BCH_CTRL_STATUS); } /* Resume during ECC read calculation after skipping bytes in OOB */ static inline void nand_bcm_umi_bch_resume_read_ecc_calc(void) { - REG_UMI_BCH_CTRL_STATUS = REG_UMI_BCH_CTRL_STATUS_ECC_RD_EN; + writel(REG_UMI_BCH_CTRL_STATUS_ECC_RD_EN, ®_UMI_BCH_CTRL_STATUS); } /* Poll read ECC calc to check when hardware completes */ @@ -139,7 +138,7 @@ static inline uint32_t nand_bcm_umi_bch_poll_read_ecc_calc(void) do { /* wait for ECC to be valid */ - regVal = REG_UMI_BCH_CTRL_STATUS; + regVal = readl(®_UMI_BCH_CTRL_STATUS); } while ((regVal & REG_UMI_BCH_CTRL_STATUS_RD_ECC_VALID) == 0); return regVal; @@ -149,7 +148,7 @@ static inline uint32_t nand_bcm_umi_bch_poll_read_ecc_calc(void) static inline void nand_bcm_umi_bch_poll_write_ecc_calc(void) { /* wait for ECC to be valid */ - while ((REG_UMI_BCH_CTRL_STATUS & REG_UMI_BCH_CTRL_STATUS_WR_ECC_VALID) + while ((readl(®_UMI_BCH_CTRL_STATUS) & REG_UMI_BCH_CTRL_STATUS_WR_ECC_VALID) == 0) ; } @@ -170,9 +169,9 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize, if (pageSize != NAND_DATA_ACCESS_SIZE) { /* skip BI */ #if defined(__KERNEL__) && !defined(STANDALONE) - *oobp++ = REG_NAND_DATA8; + *oobp++ = readb(®_NAND_DATA8); #else - REG_NAND_DATA8; + readb(®_NAND_DATA8); #endif numToRead--; } @@ -180,9 +179,9 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize, while (numToRead > numEccBytes) { /* skip free oob region */ #if defined(__KERNEL__) && !defined(STANDALONE) - *oobp++ = REG_NAND_DATA8; + *oobp++ = readb(®_NAND_DATA8); #else - REG_NAND_DATA8; + readb(®_NAND_DATA8); #endif numToRead--; } @@ -193,11 +192,11 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize, while (numToRead > 11) { #if defined(__KERNEL__) && !defined(STANDALONE) - *oobp = REG_NAND_DATA8; + *oobp = readb(®_NAND_DATA8); eccCalc[eccPos++] = *oobp; oobp++; #else - eccCalc[eccPos++] = REG_NAND_DATA8; + eccCalc[eccPos++] = readb(®_NAND_DATA8); #endif numToRead--; } @@ -207,9 +206,9 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize, if (numToRead == 11) { /* read BI */ #if defined(__KERNEL__) && !defined(STANDALONE) - *oobp++ = REG_NAND_DATA8; + *oobp++ = readb(®_NAND_DATA8); #else - REG_NAND_DATA8; + readb(®_NAND_DATA8); #endif numToRead--; } @@ -219,11 +218,11 @@ static inline void nand_bcm_umi_bch_read_oobEcc(uint32_t pageSize, nand_bcm_umi_bch_resume_read_ecc_calc(); while (numToRead) { #if defined(__KERNEL__) && !defined(STANDALONE) - *oobp = REG_NAND_DATA8; + *oobp = readb(®_NAND_DATA8); eccCalc[eccPos++] = *oobp; oobp++; #else - eccCalc[eccPos++] = REG_NAND_DATA8; + eccCalc[eccPos++] = readb(®_NAND_DATA8); #endif numToRead--; } @@ -255,7 +254,7 @@ static inline void nand_bcm_umi_bch_write_oobEcc(uint32_t pageSize, if (pageSize == NAND_DATA_ACCESS_SIZE) { /* Now fill in the ECC bytes */ if (numEccBytes >= 13) - eccVal = REG_UMI_BCH_WR_ECC_3; + eccVal = readl(®_UMI_BCH_WR_ECC_3); /* Usually we skip CM in oob[0,1] */ NAND_BCM_UMI_ECC_WRITE(numEccBytes, 15, &oobp[0], @@ -268,7 +267,7 @@ static inline void nand_bcm_umi_bch_write_oobEcc(uint32_t pageSize, eccVal & 0xff); /* ECC 12 */ if (numEccBytes >= 9) - eccVal = REG_UMI_BCH_WR_ECC_2; + eccVal = readl(®_UMI_BCH_WR_ECC_2); NAND_BCM_UMI_ECC_WRITE(numEccBytes, 12, &oobp[3], (eccVal >> 24) & 0xff); /* ECC11 */ @@ -281,7 +280,7 @@ static inline void nand_bcm_umi_bch_write_oobEcc(uint32_t pageSize, /* Now fill in the ECC bytes */ if (numEccBytes >= 13) - eccVal = REG_UMI_BCH_WR_ECC_3; + eccVal = readl(®_UMI_BCH_WR_ECC_3); /* Usually skip CM in oob[1,2] */ NAND_BCM_UMI_ECC_WRITE(numEccBytes, 15, &oobp[1], @@ -294,7 +293,7 @@ static inline void nand_bcm_umi_bch_write_oobEcc(uint32_t pageSize, eccVal & 0xff); /* ECC12 */ if (numEccBytes >= 9) - eccVal = REG_UMI_BCH_WR_ECC_2; + eccVal = readl(®_UMI_BCH_WR_ECC_2); NAND_BCM_UMI_ECC_WRITE(numEccBytes, 12, &oobp[4], (eccVal >> 24) & 0xff); /* ECC11 */ @@ -309,7 +308,7 @@ static inline void nand_bcm_umi_bch_write_oobEcc(uint32_t pageSize, eccVal & 0xff); /* ECC8 */ if (numEccBytes >= 5) - eccVal = REG_UMI_BCH_WR_ECC_1; + eccVal = readl(®_UMI_BCH_WR_ECC_1); NAND_BCM_UMI_ECC_WRITE(numEccBytes, 8, &oobp[8], (eccVal >> 24) & 0xff); /* ECC7 */ @@ -321,7 +320,7 @@ static inline void nand_bcm_umi_bch_write_oobEcc(uint32_t pageSize, eccVal & 0xff); /* ECC4 */ if (numEccBytes >= 1) - eccVal = REG_UMI_BCH_WR_ECC_0; + eccVal = readl(®_UMI_BCH_WR_ECC_0); NAND_BCM_UMI_ECC_WRITE(numEccBytes, 4, &oobp[12], (eccVal >> 24) & 0xff); /* ECC3 */ |