Support for redundant environment in NAND Flash.

[oweals/u-boot.git] / include / configs / SX1.h

diff --git a/include/configs/SX1.h b/include/configs/SX1.h
index ae4cf60083c34f656631161b2e6dd090dc5d1122..6ed98b8fb1889e6847324723df38cac3b2107a86 100644 (file)
--- a/include/configs/SX1.h
+++ b/include/configs/SX1.h
@@ -23,12 +23,6 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
-/*
- * If we are developing, we might want to start armboot from ram
- * so we MUST NOT initialize critical regs like mem-timing ...
- */
-#define CONFIG_INIT_CRITICAL           /* undef for developing */
-
 /*
  * High Level Configuration Options
  * (easy to change)
@@ -161,16 +155,30 @@
  * FLASH and environment organization
  */
 #define CFG_MAX_FLASH_BANKS    2       /* max number of memory banks */
+#define PHYS_FLASH_SIZE                (16 << 10) /* 16 MB */
+#define PHYS_FLASH_SECT_SIZE   (128*1024) /* Size of a sector (128kB) */
 #define CFG_MAX_FLASH_SECT     (128)   /* max number of sectors on one chip */
-#define CFG_ENV_ADDR           (CFG_FLASH_BASE + 0x020000) /* addr of environment */
+#define CFG_ENV_ADDR   (CFG_FLASH_BASE + PHYS_FLASH_SECT_SIZE) /* addr of environment */
+#define CFG_MONITOR_BASE       CFG_FLASH_BASE  /* Monitor at beginning of flash */
+#define CFG_MONITOR_LEN                PHYS_FLASH_SECT_SIZE    /* Reserve 1 sector */
+#define CFG_FLASH_BANKS_LIST   { CFG_FLASH_BASE, CFG_FLASH_BASE + PHYS_FLASH_SIZE }
+
+/*-----------------------------------------------------------------------
+ * FLASH driver setup
+ */
+#define CFG_FLASH_CFI          1       /* Flash memory is CFI compliant */
+#define CFG_FLASH_CFI_DRIVER   1       /* Use drivers/cfi_flash.c */
+#define CFG_FLASH_USE_BUFFER_WRITE 1   /* Use buffered writes (~10x faster) */
+#define CFG_FLASH_PROTECTION   1       /* Use hardware sector protection */
 
 /* timeout values are in ticks */
 #define CFG_FLASH_ERASE_TOUT   (20*CFG_HZ) /* Timeout for Flash Erase */
 #define CFG_FLASH_WRITE_TOUT   (20*CFG_HZ) /* Timeout for Flash Write */
 
 #define CFG_ENV_IS_IN_FLASH    1
-#define CFG_ENV_SIZE           0x20000 /* Total Size of Environment Sector */
-#define CFG_ENV_OFFSET         0x20000 /* environment starts here  */
+#define CFG_ENV_SECT_SIZE      PHYS_FLASH_SECT_SIZE
+#define CFG_ENV_SIZE           CFG_ENV_SECT_SIZE /* Total Size of Environment Sector */
+#define CFG_ENV_OFFSET ( CFG_MONITOR_BASE + CFG_MONITOR_LEN ) /* Environment after Monitor */
 
 /* Address and size of Redundant Environment Sector    */
 #define CFG_ENV_SIZE_REDUND    0x20000