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authorWolfgang Denk <wd@nyx.denx.de>2006-03-06 11:25:22 +0100
committerWolfgang Denk <wd@nyx.denx.de>2006-03-06 11:25:22 +0100
commit4e3ccd26925e5ada78dd89779838f052dffe3e67 (patch)
tree2df070a78b8f9e69b03b0e0b8bfd01d0d639865e /include/configs/PPChameleonEVB.h
parentf1ee982506d8e58262ff0e5d1fb208e703640e34 (diff)
parentaddb2e1650fdf872334478393f482dfdce965a61 (diff)
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Merge the new NAND code (testing-NAND brach); see doc/README.nand
Rewrite of NAND code based on what is in 2.6.12 Linux kernel Patch by Ladislav Michl, 29 Jun 2005 [Merge with /home/tur/nand/u-boot]
Diffstat (limited to 'include/configs/PPChameleonEVB.h')
-rw-r--r--include/configs/PPChameleonEVB.h59
1 files changed, 36 insertions, 23 deletions
diff --git a/include/configs/PPChameleonEVB.h b/include/configs/PPChameleonEVB.h
index 7ca827f..88e6db4 100644
--- a/include/configs/PPChameleonEVB.h
+++ b/include/configs/PPChameleonEVB.h
@@ -188,34 +188,34 @@
* NAND-FLASH stuff
*-----------------------------------------------------------------------
*/
+/*
+ * nand device 1 on dave (PPChameleonEVB) needs more time,
+ * so we just introduce additional wait in nand_wait(),
+ * effectively for both devices.
+ */
+#define PPCHAMELON_NAND_TIMER_HACK
+
#define CFG_NAND0_BASE 0xFF400000
#define CFG_NAND1_BASE 0xFF000000
+#define CFG_NAND_BASE_LIST { CFG_NAND0_BASE, CFG_NAND1_BASE }
+#define NAND_BIG_DELAY_US 25
+#define CFG_MAX_NAND_DEVICE 2 /* Max number of NAND devices */
-#define CFG_MAX_NAND_DEVICE 2 /* Max number of NAND devices */
-#define SECTORSIZE 512
-#define NAND_NO_RB
-
-#define ADDR_COLUMN 1
-#define ADDR_PAGE 2
-#define ADDR_COLUMN_PAGE 3
-
-#define NAND_ChipID_UNKNOWN 0x00
-#define NAND_MAX_FLOORS 1
#define NAND_MAX_CHIPS 1
#define CFG_NAND0_CE (0x80000000 >> 1) /* our CE is GPIO1 */
+#define CFG_NAND0_RDY (0x80000000 >> 4) /* our RDY is GPIO4 */
#define CFG_NAND0_CLE (0x80000000 >> 2) /* our CLE is GPIO2 */
#define CFG_NAND0_ALE (0x80000000 >> 3) /* our ALE is GPIO3 */
-#define CFG_NAND0_RDY (0x80000000 >> 4) /* our RDY is GPIO4 */
#define CFG_NAND1_CE (0x80000000 >> 14) /* our CE is GPIO14 */
+#define CFG_NAND1_RDY (0x80000000 >> 31) /* our RDY is GPIO31 */
#define CFG_NAND1_CLE (0x80000000 >> 15) /* our CLE is GPIO15 */
#define CFG_NAND1_ALE (0x80000000 >> 16) /* our ALE is GPIO16 */
-#define CFG_NAND1_RDY (0x80000000 >> 31) /* our RDY is GPIO31 */
-#define NAND_DISABLE_CE(nand) do \
+#define MACRO_NAND_DISABLE_CE(nandptr) do \
{ \
- switch((unsigned long)(((struct nand_chip *)nand)->IO_ADDR)) \
+ switch((unsigned long)nandptr) \
{ \
case CFG_NAND0_BASE: \
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND0_CE); \
@@ -226,9 +226,9 @@
} \
} while(0)
-#define NAND_ENABLE_CE(nand) do \
+#define MACRO_NAND_ENABLE_CE(nandptr) do \
{ \
- switch((unsigned long)(((struct nand_chip *)nand)->IO_ADDR)) \
+ switch((unsigned long)nandptr) \
{ \
case CFG_NAND0_BASE: \
out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND0_CE); \
@@ -239,7 +239,7 @@
} \
} while(0)
-#define NAND_CTL_CLRALE(nandptr) do \
+#define MACRO_NAND_CTL_CLRALE(nandptr) do \
{ \
switch((unsigned long)nandptr) \
{ \
@@ -252,7 +252,7 @@
} \
} while(0)
-#define NAND_CTL_SETALE(nandptr) do \
+#define MACRO_NAND_CTL_SETALE(nandptr) do \
{ \
switch((unsigned long)nandptr) \
{ \
@@ -265,7 +265,7 @@
} \
} while(0)
-#define NAND_CTL_CLRCLE(nandptr) do \
+#define MACRO_NAND_CTL_CLRCLE(nandptr) do \
{ \
switch((unsigned long)nandptr) \
{ \
@@ -278,7 +278,7 @@
} \
} while(0)
-#define NAND_CTL_SETCLE(nandptr) do { \
+#define MACRO_NAND_CTL_SETCLE(nandptr) do { \
switch((unsigned long)nandptr) { \
case CFG_NAND0_BASE: \
out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND0_CLE); \
@@ -289,6 +289,19 @@
} \
} while(0)
+#if 0
+#define SECTORSIZE 512
+#define NAND_NO_RB
+
+#define ADDR_COLUMN 1
+#define ADDR_PAGE 2
+#define ADDR_COLUMN_PAGE 3
+
+#define NAND_ChipID_UNKNOWN 0x00
+#define NAND_MAX_FLOORS 1
+
+
+
#ifdef NAND_NO_RB
/* constant delay (see also tR in the datasheet) */
#define NAND_WAIT_READY(nand) do { \
@@ -303,7 +316,7 @@
#define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)(d); } while(0)
#define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0)
#define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr))
-
+#endif
/*-----------------------------------------------------------------------
* PCI stuff
*-----------------------------------------------------------------------
@@ -338,16 +351,16 @@
#define CFG_SDRAM_BASE 0x00000000
/* Reserve 256 kB for Monitor */
+/*
#define CFG_FLASH_BASE 0xFFFC0000
#define CFG_MONITOR_BASE CFG_FLASH_BASE
#define CFG_MONITOR_LEN (256 * 1024)
+*/
/* Reserve 320 kB for Monitor */
-/*
#define CFG_FLASH_BASE 0xFFFB0000
#define CFG_MONITOR_BASE CFG_FLASH_BASE
#define CFG_MONITOR_LEN (320 * 1024)
-*/
#define CFG_MALLOC_LEN (256 * 1024) /* Reserve 256 kB for malloc() */