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-rw-r--r--include/configs/bamboo.h149
1 files changed, 80 insertions, 69 deletions
diff --git a/include/configs/bamboo.h b/include/configs/bamboo.h
index bcc736c..763d1c7 100644
--- a/include/configs/bamboo.h
+++ b/include/configs/bamboo.h
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2005-2006
+ * (C) Copyright 2005-2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
@@ -43,7 +43,6 @@
* 2nd ethernet port you have to "undef" the following define.
*/
#define CONFIG_BAMBOO_NAND 1 /* enable nand flash support */
-#define CFG_NAND_LEGACY
/*-----------------------------------------------------------------------
* Base addresses -- Note these are effective addresses where the
@@ -51,7 +50,7 @@
*----------------------------------------------------------------------*/
#define CFG_MONITOR_LEN (384 * 1024) /* Reserve 384 kB for Monitor */
#define CFG_MALLOC_LEN (256 * 1024) /* Reserve 256 kB for malloc() */
-#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN)
+#define CFG_MONITOR_BASE TEXT_BASE
#define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */
#define CFG_FLASH_BASE 0xfff00000 /* start of FLASH */
#define CFG_PCI_MEMBASE 0xa0000000 /* mapped pci memory*/
@@ -105,14 +104,11 @@
/*-----------------------------------------------------------------------
* Environment
*----------------------------------------------------------------------*/
-/*
- * Define here the location of the environment variables (FLASH or EEPROM).
- * Note: DENX encourages to use redundant environment in FLASH.
- */
-#if 1
+#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
#else
-#define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
+#define CFG_ENV_IS_IN_NAND 1 /* use NAND for environment vars */
+#define CFG_ENV_IS_EMBEDDED 1 /* use embedded environment */
#endif
/*-----------------------------------------------------------------------
@@ -134,7 +130,7 @@
#ifdef CFG_ENV_IS_IN_FLASH
#define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
-#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
+#define CFG_ENV_ADDR ((-CFG_MONITOR_LEN)-CFG_ENV_SECT_SIZE)
#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
/* Address and size of Redundant Environment Sector */
@@ -142,66 +138,80 @@
#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
#endif /* CFG_ENV_IS_IN_FLASH */
+/*
+ * IPL (Initial Program Loader, integrated inside CPU)
+ * Will load first 4k from NAND (SPL) into cache and execute it from there.
+ *
+ * SPL (Secondary Program Loader)
+ * Will load special U-Boot version (NUB) from NAND and execute it. This SPL
+ * has to fit into 4kByte. It sets up the CPU and configures the SDRAM
+ * controller and the NAND controller so that the special U-Boot image can be
+ * loaded from NAND to SDRAM.
+ *
+ * NUB (NAND U-Boot)
+ * This NAND U-Boot (NUB) is a special U-Boot version which can be started
+ * from RAM. Therefore it mustn't (re-)configure the SDRAM controller.
+ *
+ * On 440EPx the SPL is copied to SDRAM before the NAND controller is
+ * set up. While still running from cache, I experienced problems accessing
+ * the NAND controller. sr - 2006-08-25
+ */
+#define CFG_NAND_BOOT_SPL_SRC 0xfffff000 /* SPL location */
+#define CFG_NAND_BOOT_SPL_SIZE (4 << 10) /* SPL size */
+#define CFG_NAND_BOOT_SPL_DST 0x00800000 /* Copy SPL here */
+#define CFG_NAND_U_BOOT_DST 0x01000000 /* Load NUB to this addr */
+#define CFG_NAND_U_BOOT_START CFG_NAND_U_BOOT_DST /* Start NUB from this addr */
+#define CFG_NAND_BOOT_SPL_DELTA (CFG_NAND_BOOT_SPL_SRC - CFG_NAND_BOOT_SPL_DST)
+
+/*
+ * Define the partitioning of the NAND chip (only RAM U-Boot is needed here)
+ */
+#define CFG_NAND_U_BOOT_OFFS (16 << 10) /* Offset to RAM U-Boot image */
+#define CFG_NAND_U_BOOT_SIZE (384 << 10) /* Size of RAM U-Boot image */
+
+/*
+ * Now the NAND chip has to be defined (no autodetection used!)
+ */
+#define CFG_NAND_PAGE_SIZE 512 /* NAND chip page size */
+#define CFG_NAND_BLOCK_SIZE (16 << 10) /* NAND chip block size */
+#define CFG_NAND_PAGE_COUNT 32 /* NAND chip page count */
+#define CFG_NAND_BAD_BLOCK_POS 5 /* Location of bad block marker */
+#define CFG_NAND_4_ADDR_CYCLE 1 /* Fourth addr used (>32MB) */
+
+#define CFG_NAND_ECCSIZE 256
+#define CFG_NAND_ECCBYTES 3
+#define CFG_NAND_ECCSTEPS (CFG_NAND_PAGE_SIZE / CFG_NAND_ECCSIZE)
+#define CFG_NAND_OOBSIZE 16
+#define CFG_NAND_ECCTOTAL (CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS)
+#define CFG_NAND_ECCPOS {0, 1, 2, 3, 6, 7}
+
+#ifdef CFG_ENV_IS_IN_NAND
+/*
+ * For NAND booting the environment is embedded in the U-Boot image. Please take
+ * look at the file board/amcc/sequoia/u-boot-nand.lds for details.
+ */
+#define CFG_ENV_SIZE CFG_NAND_BLOCK_SIZE
+#define CFG_ENV_OFFSET (CFG_NAND_U_BOOT_OFFS + CFG_ENV_SIZE)
+#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET + CFG_ENV_SIZE)
+#endif
+
/*-----------------------------------------------------------------------
- * NAND-FLASH related
+ * NAND FLASH
*----------------------------------------------------------------------*/
-#define NAND_CMD_REG (0x00) /* NandFlash Command Register */
-#define NAND_ADDR_REG (0x04) /* NandFlash Address Register */
-#define NAND_DATA_REG (0x08) /* NandFlash Data Register */
-#define NAND_ECC0_REG (0x10) /* NandFlash ECC Register0 */
-#define NAND_ECC1_REG (0x14) /* NandFlash ECC Register1 */
-#define NAND_ECC2_REG (0x18) /* NandFlash ECC Register2 */
-#define NAND_ECC3_REG (0x1C) /* NandFlash ECC Register3 */
-#define NAND_ECC4_REG (0x20) /* NandFlash ECC Register4 */
-#define NAND_ECC5_REG (0x24) /* NandFlash ECC Register5 */
-#define NAND_ECC6_REG (0x28) /* NandFlash ECC Register6 */
-#define NAND_ECC7_REG (0x2C) /* NandFlash ECC Register7 */
-#define NAND_CR0_REG (0x30) /* NandFlash Device Bank0 Config Register */
-#define NAND_CR1_REG (0x34) /* NandFlash Device Bank1 Config Register */
-#define NAND_CR2_REG (0x38) /* NandFlash Device Bank2 Config Register */
-#define NAND_CR3_REG (0x3C) /* NandFlash Device Bank3 Config Register */
-#define NAND_CCR_REG (0x40) /* NandFlash Core Configuration Register */
-#define NAND_STAT_REG (0x44) /* NandFlash Device Status Register */
-#define NAND_HWCTL_REG (0x48) /* NandFlash Direct Hwd Control Register */
-#define NAND_REVID_REG (0x50) /* NandFlash Core Revision Id Register */
-
-/* Nand Flash K9F1208U0A Command Set => Nand Flash 0 */
-#define NAND0_CMD_READ1_HALF1 0x00 /* Starting addr for 1rst half of registers */
-#define NAND0_CMD_READ1_HALF2 0x01 /* Starting addr for 2nd half of registers */
-#define NAND0_CMD_READ2 0x50
-#define NAND0_CMD_READ_ID 0x90
-#define NAND0_CMD_READ_STATUS 0x70
-#define NAND0_CMD_RESET 0xFF
-#define NAND0_CMD_PAGE_PROG 0x80
-#define NAND0_CMD_PAGE_PROG_TRUE 0x10
-#define NAND0_CMD_PAGE_PROG_DUMMY 0x11
-#define NAND0_CMD_BLOCK_ERASE 0x60
-#define NAND0_CMD_BLOCK_ERASE_END 0xD0
-
-#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
-#define SECTORSIZE 512
-
-#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 WRITE_NAND_COMMAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_CMD_REG) = d;} while(0)
-#define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_ADDR_REG) = d;} while(0)
-#define WRITE_NAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_DATA_REG) = d;} while(0)
-#define READ_NAND(adr) (*(volatile u8 *)((ulong)adr+NAND_DATA_REG))
-#define NAND_WAIT_READY(nand) while (!(*(volatile u8 *)((ulong)nand->IO_ADDR+NAND_STAT_REG) & 0x01))
-
-/* not needed with 440EP NAND controller */
-#define NAND_CTL_CLRALE(nandptr)
-#define NAND_CTL_SETALE(nandptr)
-#define NAND_CTL_CLRCLE(nandptr)
-#define NAND_CTL_SETCLE(nandptr)
-#define NAND_DISABLE_CE(nand)
-#define NAND_ENABLE_CE(nand)
+#define CFG_MAX_NAND_DEVICE 2
+#define NAND_MAX_CHIPS CFG_MAX_NAND_DEVICE
+#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS)
+#define CFG_NAND_BASE_LIST { CFG_NAND_BASE, CFG_NAND_ADDR + 2 }
+#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */
+
+#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
+#define CFG_NAND_CS 1
+#else
+#define CFG_NAND_CS 0 /* NAND chip connected to CSx */
+/* Memory Bank 0 (NAND-FLASH) initialization */
+#define CFG_EBC_PB0AP 0x018003c0
+#define CFG_EBC_PB0CR (CFG_NAND_ADDR | 0x1c000)
+#endif
/*-----------------------------------------------------------------------
* DDR SDRAM
@@ -209,7 +219,8 @@
#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for setup */
#undef CONFIG_DDR_ECC /* don't use ECC */
#define CFG_SIMULATE_SPD_EEPROM 0xff /* simulate spd eeprom on this address */
-#define SPD_EEPROM_ADDRESS {CFG_SIMULATE_SPD_EEPROM, 0x50, 0x51}
+#define SPD_EEPROM_ADDRESS {CFG_SIMULATE_SPD_EEPROM, 0x50, 0x51}
+#define CFG_MBYTES_SDRAM (64) /* 64MB fixed size for early-sdram-init */
/*-----------------------------------------------------------------------
* I2C
generated by cgit v1.1 at 2024-12-25 21:39:23 +0000