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authorwdenk <wdenk>2002-08-17 09:36:01 +0000
committerwdenk <wdenk>2002-08-17 09:36:01 +0000
commitaffae2bff825c1a8d2cfeaf7b270188d251d39d2 (patch)
treee025ca5a84cdcd70cff986e09f89e1aaa360499c /board/mousse
parentcf356ef708390102d493c53d18fd19a5963c6aa9 (diff)
downloadu-boot-linaro-stable-affae2bff825c1a8d2cfeaf7b270188d251d39d2.tar.gz
Initial revision
Diffstat (limited to 'board/mousse')
-rw-r--r--board/mousse/flash.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/board/mousse/flash.h b/board/mousse/flash.h
new file mode 100644
index 000000000..b7e4619c0
--- /dev/null
+++ b/board/mousse/flash.h
@@ -0,0 +1,78 @@
+#ifndef FLASH_LIB_H
+#define FLASH_LIB_H
+
+#include <common.h>
+
+/* PIO operations max */
+#define FLASH_PROGRAM_POLLS 100000
+
+/* 10 Seconds default */
+#define FLASH_ERASE_SECTOR_TIMEOUT (10*1000 /*SEC*/ )
+
+/* Flash device info structure */
+typedef struct flash_dev_s {
+ char name[24]; /* Bank Name */
+ int bank; /* Bank 0 or 1 */
+ unsigned int base; /* Base address */
+ int sectors; /* Sector count */
+ int lgSectorSize; /* Log2(usable bytes/sector) */
+ int vendorID; /* Expected vendor ID */
+ int deviceID; /* Expected device ID */
+ int found; /* Set if found by flashLibInit */
+ int swap; /* Set for bank 1 if byte swap req'd */
+} flash_dev_t;
+
+#define FLASH_MAX_POS(dev) \
+ ((dev)->sectors << (dev)->lgSectorSize)
+
+#define FLASH_SECTOR_POS(dev, sector) \
+ ((sector) << (dev)->lgSectorSize)
+
+/* AMD 29F040 */
+#define FLASH0_BANK 0
+#define FLASH0_VENDOR_ID 0x01
+#define FLASH0_DEVICE_ID 0x49
+
+/* AMD29LV160DB */
+#define FLASH1_BANK 1
+#define FLASH1_VENDOR_ID 0x0001
+#define FLASH1_DEVICE_ID 0x2249
+
+extern flash_dev_t flashDev[];
+extern int flashDevCount;
+
+/*
+ * Device pointers
+ *
+ * These must be kept in sync with the table in flashLib.c.
+ */
+#define FLASH_DEV_BANK0_SA0 (&flashDev[0])
+#define FLASH_DEV_BANK0_SA1 (&flashDev[1])
+#define FLASH_DEV_BANK0_SA2 (&flashDev[2])
+#define FLASH_DEV_BANK0_LOW (&flashDev[3]) /* 960K */
+#define FLASH_DEV_BANK0_BOOT (&flashDev[4]) /* PLCC */
+#define FLASH_DEV_BANK0_HIGH (&flashDev[5]) /* 512K PLCC shadow */
+
+unsigned long flash_init(void);
+int flashEraseSector(flash_dev_t *dev, int sector);
+int flashErase(flash_dev_t *dev);
+int flashRead(flash_dev_t *dev, int pos, char *buf, int len);
+int flashWrite(flash_dev_t *dev, int pos, char *buf, int len);
+int flashWritable(flash_dev_t *dev, int pos, int len);
+int flashDiag(flash_dev_t *dev);
+int flashDiagAll(void);
+
+ulong flash_get_size (vu_long *addr, flash_info_t *info);
+void flash_print_info (flash_info_t *info);
+int flash_erase (flash_info_t *info, int s_first, int s_last);
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt);
+
+/*
+ * Flash info indices.
+ */
+#define FLASH_BANK_KERNEL 0
+#define FLASH_BANK_BOOT 1
+#define FLASH_BANK_AUX 2
+#define FIRST_SECTOR 0
+
+#endif /* !FLASH_LIB_H */