This patch try to make the fsl_elbc_nand driver work for
both 83xx and 85xx boards.
Move the FMR Macros from 83xx.h to fsl_lbc.h and
redefine the elbc register structure in the driver.
Signed-off-by: Jason Jin <[EMAIL PROTECTED]>
---
drivers/mtd/nand/fsl_elbc_nand.c | 63 ++++++++++++++++++++++++----
include/asm-ppc/fsl_lbc.h | 85 ++++++++++++++++++++++++++++++++++++++
include/mpc83xx.h | 85 --------------------------------------
3 files changed, 140 insertions(+), 93 deletions(-)
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 4351824..b12c540 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -52,6 +52,50 @@
#define LTESR_NAND_MASK (LTESR_FCT | LTESR_PAR | LTESR_CC)
+/*
+ * Local Bus Controller Registers.
+ */
+typedef struct lbus_bank {
+ u32 br; /* Base Register */
+ u32 or; /* Option Register */
+} lbus_bank_t;
+
+typedef struct fsl_lbus {
+ lbus_bank_t bank[8];
+ u8 res0[0x28];
+ u32 mar; /* UPM Address Register */
+ u8 res1[0x4];
+ u32 mamr; /* UPMA Mode Register */
+ u32 mbmr; /* UPMB Mode Register */
+ u32 mcmr; /* UPMC Mode Register */
+ u8 res2[0x8];
+ u32 mrtpr; /* Memory Refresh Timer Prescaler Register */
+ u32 mdr; /* UPM Data Register */
+ u8 res3[0x4];
+ u32 lsor; /* Special Operation Initiation Register */
+ u32 lsdmr; /* SDRAM Mode Register */
+ u8 res4[0x8];
+ u32 lurt; /* UPM Refresh Timer */
+ u32 lsrt; /* SDRAM Refresh Timer */
+ u8 res5[0x8];
+ u32 ltesr; /* Transfer Error Status Register */
+ u32 ltedr; /* Transfer Error Disable Register */
+ u32 lteir; /* Transfer Error Interrupt Register */
+ u32 lteatr; /* Transfer Error Attributes Register */
+ u32 ltear; /* Transfer Error Address Register */
+ u8 res6[0xC];
+ u32 lbcr; /* Configuration Register */
+ u32 lcrr; /* Clock Ratio Register */
+ u8 res7[0x8];
+ u32 fmr; /* Flash Mode Register */
+ u32 fir; /* Flash Instruction Register */
+ u32 fcr; /* Flash Command Register */
+ u32 fbar; /* Flash Block Addr Register */
+ u32 fpar; /* Flash Page Addr Register */
+ u32 fbcr; /* Flash Byte Count Register */
+ u8 res8[0xF08];
+}fsl_lbus_t;
+
struct fsl_elbc_ctrl;
/* mtd information per set */
@@ -75,7 +119,7 @@ struct fsl_elbc_ctrl {
struct fsl_elbc_mtd *chips[MAX_BANKS];
/* device info */
- lbus83xx_t *regs;
+ fsl_lbus_t *regs;
u8 __iomem *addr; /* Address of assigned FCM buffer */
unsigned int page; /* Last page written to / read from */
unsigned int read_bytes; /* Number of bytes read during command */
@@ -171,7 +215,7 @@ static void set_addr(struct mtd_info *mtd, int column, int
page_addr, int oob)
struct nand_chip *chip = mtd->priv;
struct fsl_elbc_mtd *priv = chip->priv;
struct fsl_elbc_ctrl *ctrl = priv->ctrl;
- lbus83xx_t *lbc = ctrl->regs;
+ fsl_lbus_t *lbc = ctrl->regs;
int buf_num;
ctrl->page = page_addr;
@@ -211,7 +255,7 @@ static int fsl_elbc_run_command(struct mtd_info *mtd)
struct nand_chip *chip = mtd->priv;
struct fsl_elbc_mtd *priv = chip->priv;
struct fsl_elbc_ctrl *ctrl = priv->ctrl;
- lbus83xx_t *lbc = ctrl->regs;
+ fsl_lbus_t *lbc = ctrl->regs;
long long end_tick;
u32 ltesr;
@@ -261,7 +305,7 @@ static void fsl_elbc_do_read(struct nand_chip *chip, int
oob)
{
struct fsl_elbc_mtd *priv = chip->priv;
struct fsl_elbc_ctrl *ctrl = priv->ctrl;
- lbus83xx_t *lbc = ctrl->regs;
+ fsl_lbus_t *lbc = ctrl->regs;
if (priv->page_size) {
out_be32(&lbc->fir,
@@ -295,7 +339,7 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned
int command,
struct nand_chip *chip = mtd->priv;
struct fsl_elbc_mtd *priv = chip->priv;
struct fsl_elbc_ctrl *ctrl = priv->ctrl;
- lbus83xx_t *lbc = ctrl->regs;
+ fsl_lbus_t *lbc = ctrl->regs;
ctrl->use_mdr = 0;
@@ -633,7 +677,7 @@ static int fsl_elbc_wait(struct mtd_info *mtd, struct
nand_chip *chip)
{
struct fsl_elbc_mtd *priv = chip->priv;
struct fsl_elbc_ctrl *ctrl = priv->ctrl;
- lbus83xx_t *lbc = ctrl->regs;
+ fsl_lbus_t *lbc = ctrl->regs;
if (ctrl->status != LTESR_CC)
return NAND_STATUS_FAIL;
@@ -693,13 +737,16 @@ static struct fsl_elbc_ctrl *elbc_ctrl;
static void fsl_elbc_ctrl_init(void)
{
- immap_t *im = (immap_t *)CFG_IMMR;
-
elbc_ctrl = kzalloc(sizeof(*elbc_ctrl), GFP_KERNEL);
if (!elbc_ctrl)
return;
+#ifdef CONFIG_MPC85xx
+ elbc_ctrl->regs = (void *)CFG_MPC85xx_LBC_ADDR;
+#else
+ immap_t *im = (immap_t *)CFG_IMMR;
elbc_ctrl->regs = &im->lbus;
+#endif
/* clear event registers */
out_be32(&elbc_ctrl->regs->ltesr, LTESR_NAND_MASK);
diff --git a/include/asm-ppc/fsl_lbc.h b/include/asm-ppc/fsl_lbc.h
index ea49ddc..b5b2cbd 100644
--- a/include/asm-ppc/fsl_lbc.h
+++ b/include/asm-ppc/fsl_lbc.h
@@ -307,4 +307,89 @@
#define LTEDR_RAWA 0x00400000 /* Read-after-write-atomic error checking
disable */
#define LTEDR_CSD 0x00080000 /* Chip select error checking disable
*/
+/* FMR - Flash Mode Register
+ */
+#define FMR_CWTO 0x0000F000
+#define FMR_CWTO_SHIFT 12
+#define FMR_BOOT 0x00000800
+#define FMR_ECCM 0x00000100
+#define FMR_AL 0x00000030
+#define FMR_AL_SHIFT 4
+#define FMR_OP 0x00000003
+#define FMR_OP_SHIFT 0
+
+/* FIR - Flash Instruction Register
+ */
+#define FIR_OP0 0xF0000000
+#define FIR_OP0_SHIFT 28
+#define FIR_OP1 0x0F000000
+#define FIR_OP1_SHIFT 24
+#define FIR_OP2 0x00F00000
+#define FIR_OP2_SHIFT 20
+#define FIR_OP3 0x000F0000
+#define FIR_OP3_SHIFT 16
+#define FIR_OP4 0x0000F000
+#define FIR_OP4_SHIFT 12
+#define FIR_OP5 0x00000F00
+#define FIR_OP5_SHIFT 8
+#define FIR_OP6 0x000000F0
+#define FIR_OP6_SHIFT 4
+#define FIR_OP7 0x0000000F
+#define FIR_OP7_SHIFT 0
+#define FIR_OP_NOP 0x0 /* No operation and end of sequence */
+#define FIR_OP_CA 0x1 /* Issue current column address */
+#define FIR_OP_PA 0x2 /* Issue current block+page address */
+#define FIR_OP_UA 0x3 /* Issue user defined address */
+#define FIR_OP_CM0 0x4 /* Issue command from FCR[CMD0] */
+#define FIR_OP_CM1 0x5 /* Issue command from FCR[CMD1] */
+#define FIR_OP_CM2 0x6 /* Issue command from FCR[CMD2] */
+#define FIR_OP_CM3 0x7 /* Issue command from FCR[CMD3] */
+#define FIR_OP_WB 0x8 /* Write FBCR bytes from FCM buffer */
+#define FIR_OP_WS 0x9 /* Write 1 or 2 bytes from MDR[AS] */
+#define FIR_OP_RB 0xA /* Read FBCR bytes to FCM buffer */
+#define FIR_OP_RS 0xB /* Read 1 or 2 bytes to MDR[AS] */
+#define FIR_OP_CW0 0xC /* Wait then issue FCR[CMD0] */
+#define FIR_OP_CW1 0xD /* Wait then issue FCR[CMD1] */
+#define FIR_OP_RBW 0xE /* Wait then read FBCR bytes */
+#define FIR_OP_RSW 0xF /* Wait then read 1 or 2 bytes */
+
+/* FCR - Flash Command Register
+ */
+#define FCR_CMD0 0xFF000000
+#define FCR_CMD0_SHIFT 24
+#define FCR_CMD1 0x00FF0000
+#define FCR_CMD1_SHIFT 16
+#define FCR_CMD2 0x0000FF00
+#define FCR_CMD2_SHIFT 8
+#define FCR_CMD3 0x000000FF
+#define FCR_CMD3_SHIFT 0
+
+/* FBAR - Flash Block Address Register
+ */
+#define FBAR_BLK 0x00FFFFFF
+
+/* FPAR - Flash Page Address Register
+ */
+#define FPAR_SP_PI 0x00007C00
+#define FPAR_SP_PI_SHIFT 10
+#define FPAR_SP_MS 0x00000200
+#define FPAR_SP_CI 0x000001FF
+#define FPAR_SP_CI_SHIFT 0
+#define FPAR_LP_PI 0x0003F000
+#define FPAR_LP_PI_SHIFT 12
+#define FPAR_LP_MS 0x00000800
+#define FPAR_LP_CI 0x000007FF
+#define FPAR_LP_CI_SHIFT 0
+
+/* LTESR - Transfer Error Status Register
+ */
+#define LTESR_BM 0x80000000
+#define LTESR_FCT 0x40000000
+#define LTESR_PAR 0x20000000
+#define LTESR_WP 0x04000000
+#define LTESR_ATMW 0x00800000
+#define LTESR_ATMR 0x00400000
+#define LTESR_CS 0x00080000
+#define LTESR_CC 0x00000001
+
#endif /* __ASM_PPC_FSL_LBC_H */
diff --git a/include/mpc83xx.h b/include/mpc83xx.h
index 5d82bb4..e3cf84d 100644
--- a/include/mpc83xx.h
+++ b/include/mpc83xx.h
@@ -1145,91 +1145,6 @@
*/
#define PMCCR1_POWER_OFF 0x00000020
-/* FMR - Flash Mode Register
- */
-#define FMR_CWTO 0x0000F000
-#define FMR_CWTO_SHIFT 12
-#define FMR_BOOT 0x00000800
-#define FMR_ECCM 0x00000100
-#define FMR_AL 0x00000030
-#define FMR_AL_SHIFT 4
-#define FMR_OP 0x00000003
-#define FMR_OP_SHIFT 0
-
-/* FIR - Flash Instruction Register
- */
-#define FIR_OP0 0xF0000000
-#define FIR_OP0_SHIFT 28
-#define FIR_OP1 0x0F000000
-#define FIR_OP1_SHIFT 24
-#define FIR_OP2 0x00F00000
-#define FIR_OP2_SHIFT 20
-#define FIR_OP3 0x000F0000
-#define FIR_OP3_SHIFT 16
-#define FIR_OP4 0x0000F000
-#define FIR_OP4_SHIFT 12
-#define FIR_OP5 0x00000F00
-#define FIR_OP5_SHIFT 8
-#define FIR_OP6 0x000000F0
-#define FIR_OP6_SHIFT 4
-#define FIR_OP7 0x0000000F
-#define FIR_OP7_SHIFT 0
-#define FIR_OP_NOP 0x0 /* No operation and end of sequence */
-#define FIR_OP_CA 0x1 /* Issue current column address */
-#define FIR_OP_PA 0x2 /* Issue current block+page address */
-#define FIR_OP_UA 0x3 /* Issue user defined address */
-#define FIR_OP_CM0 0x4 /* Issue command from FCR[CMD0] */
-#define FIR_OP_CM1 0x5 /* Issue command from FCR[CMD1] */
-#define FIR_OP_CM2 0x6 /* Issue command from FCR[CMD2] */
-#define FIR_OP_CM3 0x7 /* Issue command from FCR[CMD3] */
-#define FIR_OP_WB 0x8 /* Write FBCR bytes from FCM buffer */
-#define FIR_OP_WS 0x9 /* Write 1 or 2 bytes from MDR[AS] */
-#define FIR_OP_RB 0xA /* Read FBCR bytes to FCM buffer */
-#define FIR_OP_RS 0xB /* Read 1 or 2 bytes to MDR[AS] */
-#define FIR_OP_CW0 0xC /* Wait then issue FCR[CMD0] */
-#define FIR_OP_CW1 0xD /* Wait then issue FCR[CMD1] */
-#define FIR_OP_RBW 0xE /* Wait then read FBCR bytes */
-#define FIR_OP_RSW 0xF /* Wait then read 1 or 2 bytes */
-
-/* FCR - Flash Command Register
- */
-#define FCR_CMD0 0xFF000000
-#define FCR_CMD0_SHIFT 24
-#define FCR_CMD1 0x00FF0000
-#define FCR_CMD1_SHIFT 16
-#define FCR_CMD2 0x0000FF00
-#define FCR_CMD2_SHIFT 8
-#define FCR_CMD3 0x000000FF
-#define FCR_CMD3_SHIFT 0
-
-/* FBAR - Flash Block Address Register
- */
-#define FBAR_BLK 0x00FFFFFF
-
-/* FPAR - Flash Page Address Register
- */
-#define FPAR_SP_PI 0x00007C00
-#define FPAR_SP_PI_SHIFT 10
-#define FPAR_SP_MS 0x00000200
-#define FPAR_SP_CI 0x000001FF
-#define FPAR_SP_CI_SHIFT 0
-#define FPAR_LP_PI 0x0003F000
-#define FPAR_LP_PI_SHIFT 12
-#define FPAR_LP_MS 0x00000800
-#define FPAR_LP_CI 0x000007FF
-#define FPAR_LP_CI_SHIFT 0
-
-/* LTESR - Transfer Error Status Register
- */
-#define LTESR_BM 0x80000000
-#define LTESR_FCT 0x40000000
-#define LTESR_PAR 0x20000000
-#define LTESR_WP 0x04000000
-#define LTESR_ATMW 0x00800000
-#define LTESR_ATMR 0x00400000
-#define LTESR_CS 0x00080000
-#define LTESR_CC 0x00000001
-
/* DDRCDR - DDR Control Driver Register
*/
#define DDRCDR_DHC_EN 0x80000000
--
1.5.4
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