NAND: Add NAND support for MPC8536DS board
This patch defines 1M TLB&LAW size for NAND on MPC8536DS, assigns 0xffa00000
for CONFIG_SYS_NAND_BASE and adds other NAND supports in config file.
It also moves environment(CONFIG_ENV_ADDR) outside of u-boot image.
Singed-off-by: Jason Jin <Jason.Jin@freescale.com>
Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h
index c4389cc..fff888ab 100644
--- a/include/configs/MPC8536DS.h
+++ b/include/configs/MPC8536DS.h
@@ -155,8 +155,9 @@
* 0xXXXX_XXXX 0xXXXX_XXXX SRAM YZ M Cacheable
*
* Localbus non-cacheable
- * 0xe000_0000 0xe80f_ffff Promjet/free 128M non-cacheable
+ * 0xe000_0000 0xe7ff_ffff Promjet/free 128M non-cacheable
* 0xe800_0000 0xefff_ffff FLASH 128M non-cacheable
+ * 0xffa0_0000 0xffaf_ffff NAND 1M non-cacheable
* 0xffdf_0000 0xffdf_7fff PIXIS 32K non-cacheable TLB0
* 0xffd0_0000 0xffd0_3fff L1 for stack 16K Cacheable TLB0
* 0xffe0_0000 0xffef_ffff CCSR 1M non-cacheable
@@ -243,6 +244,57 @@
#define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
#define CONFIG_SYS_MALLOC_LEN (1024 * 1024) /* Reserved for malloc */
+#define CONFIG_SYS_NAND_BASE 0xffa00000
+#define CONFIG_SYS_NAND_BASE_PHYS CONFIG_SYS_NAND_BASE
+#define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE,\
+ CONFIG_SYS_NAND_BASE + 0x40000, \
+ CONFIG_SYS_NAND_BASE + 0x80000, \
+ CONFIG_SYS_NAND_BASE + 0xC0000}
+#define CONFIG_SYS_MAX_NAND_DEVICE 4
+#define NAND_MAX_CHIPS 1
+#define CONFIG_MTD_NAND_VERIFY_WRITE
+#define CONFIG_CMD_NAND 1
+#define CONFIG_NAND_FSL_ELBC 1
+#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
+
+/* NAND flash config */
+#define CONFIG_NAND_BR_PRELIM (CONFIG_SYS_NAND_BASE_PHYS \
+ | (2<<BR_DECC_SHIFT) /* Use HW ECC */ \
+ | BR_PS_8 /* Port Size = 8 bit */ \
+ | BR_MS_FCM /* MSEL = FCM */ \
+ | BR_V) /* valid */
+#define CONFIG_NAND_OR_PRELIM (0xFFFC0000 /* length 256K */ \
+ | OR_FCM_PGS /* Large Page*/ \
+ | OR_FCM_CSCT \
+ | OR_FCM_CST \
+ | OR_FCM_CHT \
+ | OR_FCM_SCY_1 \
+ | OR_FCM_TRLX \
+ | OR_FCM_EHTR)
+
+#define CONFIG_SYS_BR2_PRELIM CONFIG_NAND_BR_PRELIM /* NAND Base Address */
+#define CONFIG_SYS_OR2_PRELIM CONFIG_NAND_OR_PRELIM /* NAND Options */
+
+#define CONFIG_SYS_BR4_PRELIM ((CONFIG_SYS_NAND_BASE_PHYS + 0x40000)\
+ | (2<<BR_DECC_SHIFT) /* Use HW ECC */ \
+ | BR_PS_8 /* Port Size = 8 bit */ \
+ | BR_MS_FCM /* MSEL = FCM */ \
+ | BR_V) /* valid */
+#define CONFIG_SYS_OR4_PRELIM CONFIG_NAND_OR_PRELIM /* NAND Options */
+#define CONFIG_SYS_BR5_PRELIM ((CONFIG_SYS_NAND_BASE_PHYS + 0x80000)\
+ | (2<<BR_DECC_SHIFT) /* Use HW ECC */ \
+ | BR_PS_8 /* Port Size = 8 bit */ \
+ | BR_MS_FCM /* MSEL = FCM */ \
+ | BR_V) /* valid */
+#define CONFIG_SYS_OR5_PRELIM CONFIG_NAND_OR_PRELIM /* NAND Options */
+
+#define CONFIG_SYS_BR6_PRELIM ((CONFIG_SYS_NAND_BASE_PHYS + 0xC0000)\
+ | (2<<BR_DECC_SHIFT) /* Use HW ECC */ \
+ | BR_PS_8 /* Port Size = 8 bit */ \
+ | BR_MS_FCM /* MSEL = FCM */ \
+ | BR_V) /* valid */
+#define CONFIG_SYS_OR6_PRELIM CONFIG_NAND_OR_PRELIM /* NAND Options */
+
/* Serial Port - controlled on board with jumper J8
* open - index 2
* shorted - index 1
@@ -440,7 +492,7 @@
#if CONFIG_SYS_MONITOR_BASE > 0xfff80000
#define CONFIG_ENV_ADDR 0xfff80000
#else
-#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + 0x60000)
+#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
#endif
#define CONFIG_ENV_SIZE 0x2000
#define CONFIG_ENV_SECT_SIZE 0x20000 /* 128K (one sector) */