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authorArnd Bergmann <arnd@arndb.de>2012-09-28 21:41:56 +0200
committerArnd Bergmann <arnd@arndb.de>2012-09-28 21:41:56 +0200
commit25e4b485fb8eeda8aa7a2e1e45fbb31538565117 (patch)
tree12d57a8403b3dc7aca72a13896c3e73aca98a4a9 /drivers
parentabbb0db2bd9d0bbfad3219604045168c50180539 (diff)
parent878040ef831a12855af26a42cc25c817f4fb3f2d (diff)
Merge branch 'bcmring/cleanup' into bcmring/removal
Doing a large-scale cleaning and removing the platform in another branch don't mix well, so do the trivial merge here. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/nand/bcm_umi_nand.c12
-rw-r--r--drivers/mtd/nand/nand_bcm_umi.h73
2 files changed, 42 insertions, 43 deletions
diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index c855e7cd337b..d0d1bd4d0e7d 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -249,20 +249,20 @@ static int nand_dev_ready(struct mtd_info *mtd)
int bcm_umi_nand_inithw(void)
{
/* Configure nand timing parameters */
- REG_UMI_NAND_TCR &= ~0x7ffff;
- REG_UMI_NAND_TCR |= HW_CFG_NAND_TCR;
+ writel(readl(&REG_UMI_NAND_TCR) & ~0x7ffff, &REG_UMI_NAND_TCR);
+ writel(readl(&REG_UMI_NAND_TCR) | HW_CFG_NAND_TCR, &REG_UMI_NAND_TCR);
#if !defined(CONFIG_MTD_NAND_BCM_UMI_HWCS)
/* enable software control of CS */
- REG_UMI_NAND_TCR |= REG_UMI_NAND_TCR_CS_SWCTRL;
+ writel(readl(&REG_UMI_NAND_TCR) | REG_UMI_NAND_TCR_CS_SWCTRL, &REG_UMI_NAND_TCR);
#endif
/* keep NAND chip select asserted */
- REG_UMI_NAND_RCSR |= REG_UMI_NAND_RCSR_CS_ASSERTED;
+ writel(readl(&REG_UMI_NAND_RCSR) | REG_UMI_NAND_RCSR_CS_ASSERTED, &REG_UMI_NAND_RCSR);
- REG_UMI_NAND_TCR &= ~REG_UMI_NAND_TCR_WORD16;
+ writel(readl(&REG_UMI_NAND_TCR) & ~REG_UMI_NAND_TCR_WORD16, &REG_UMI_NAND_TCR);
/* enable writes to flash */
- REG_UMI_MMD_ICR |= REG_UMI_MMD_ICR_FLASH_WP;
+ writel(readl(&REG_UMI_MMD_ICR) | REG_UMI_MMD_ICR_FLASH_WP, &REG_UMI_MMD_ICR);
writel(NAND_CMD_RESET, bcm_umi_io_base + REG_NAND_CMD_OFFSET);
nand_bcm_umi_wait_till_ready();
diff --git a/drivers/mtd/nand/nand_bcm_umi.h b/drivers/mtd/nand/nand_bcm_umi.h
index 198b304d6f72..d90186684db8 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(&REG_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(&REG_UMI_NAND_ECC_CSR) & ~(REG_UMI_NAND_ECC_CSR_ECC_ENABLE |
+ REG_UMI_NAND_ECC_CSR_256BYTE), &REG_UMI_NAND_ECC_CSR);
/* enable ECC */
- REG_UMI_NAND_ECC_CSR |= REG_UMI_NAND_ECC_CSR_ECC_ENABLE;
+ writel(readl(&REG_UMI_NAND_ECC_CSR) | REG_UMI_NAND_ECC_CSR_ECC_ENABLE,
+ &REG_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, &REG_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, &REG_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, &REG_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, &REG_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,
+ &REG_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, &REG_UMI_BCH_N);
+ writel(tValue, &REG_UMI_BCH_T);
+ writel(kValue, &REG_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, &REG_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, &REG_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(&REG_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(&REG_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(&REG_NAND_DATA8);
#else
- REG_NAND_DATA8;
+ readb(&REG_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(&REG_NAND_DATA8);
#else
- REG_NAND_DATA8;
+ readb(&REG_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(&REG_NAND_DATA8);
eccCalc[eccPos++] = *oobp;
oobp++;
#else
- eccCalc[eccPos++] = REG_NAND_DATA8;
+ eccCalc[eccPos++] = readb(&REG_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(&REG_NAND_DATA8);
#else
- REG_NAND_DATA8;
+ readb(&REG_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(&REG_NAND_DATA8);
eccCalc[eccPos++] = *oobp;
oobp++;
#else
- eccCalc[eccPos++] = REG_NAND_DATA8;
+ eccCalc[eccPos++] = readb(&REG_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(&REG_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(&REG_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(&REG_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(&REG_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(&REG_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(&REG_UMI_BCH_WR_ECC_0);
NAND_BCM_UMI_ECC_WRITE(numEccBytes, 4, &oobp[12],
(eccVal >> 24) & 0xff); /* ECC3 */