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authorStefan Roese <sr@denx.de>2007-11-03 12:08:28 +0100
committerStefan Roese <sr@denx.de>2007-11-03 12:08:28 +0100
commit3d6cb3b24add6415f86a0f013ea40f5639b90047 (patch)
tree34e0b53e4ce78d8d965bb3af64495cdcd39f4c2f /include
parent5d96d40d3f36da33348e68f9ea993f383e11f997 (diff)
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ppc4xx: Add AMCC Kilauea/Haleakala NAND booting support
This patch adds NAND booting support for the AMCC 405EX(r) eval boards. Again, only one image supports both targets. Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'include')
-rw-r--r--include/configs/kilauea.h88
1 files changed, 79 insertions, 9 deletions
diff --git a/include/configs/kilauea.h b/include/configs/kilauea.h
index caf8b52..07f7eff 100644
--- a/include/configs/kilauea.h
+++ b/include/configs/kilauea.h
@@ -50,7 +50,7 @@
#define CFG_FPGA_BASE 0xF0000000
#define CFG_PERIPHERAL_BASE 0xEF600000 /* internal peripherals*/
#define CFG_MONITOR_LEN (384 * 1024) /* Reserve 384 kB for Monitor */
-#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
+#define CFG_MALLOC_LEN (512 * 1024) /* Reserve 512 kB for malloc() */
#define CFG_MONITOR_BASE (TEXT_BASE)
/*-----------------------------------------------------------------------
@@ -117,6 +117,71 @@
#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
+ *----------------------------------------------------------------------*/
+#define CFG_MAX_NAND_DEVICE 1
+#define NAND_MAX_CHIPS 1
+#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS)
+#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */
+
/*-----------------------------------------------------------------------
* DDR SDRAM
*----------------------------------------------------------------------*/
@@ -332,6 +397,18 @@
/*-----------------------------------------------------------------------
* External Bus Controller (EBC) Setup
*----------------------------------------------------------------------*/
+#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+/* booting from NAND, so NAND chips select has to be on CS 0 */
+#define CFG_NAND_CS 0 /* NAND chip connected to CSx */
+
+/* Memory Bank 1 (NOR-FLASH) initialization */
+#define CFG_EBC_PB1AP 0x05806500
+#define CFG_EBC_PB1CR 0xFC0DA000 /* BAS=0xFC0,BS=64MB,BU=R/W,BW=16bit*/
+
+/* Memory Bank 0 (NAND-FLASH) initialization */
+#define CFG_EBC_PB0AP 0x018003c0
+#define CFG_EBC_PB0CR (CFG_NAND_ADDR | 0x1e000)
+#else
#define CFG_NAND_CS 1 /* NAND chip connected to CSx */
/* Memory Bank 0 (NOR-FLASH) initialization */
@@ -341,6 +418,7 @@
/* Memory Bank 1 (NAND-FLASH) initialization */
#define CFG_EBC_PB1AP 0x018003c0
#define CFG_EBC_PB1CR (CFG_NAND_ADDR | 0x1e000)
+#endif
/* Memory Bank 2 (FPGA) initialization */
#define CFG_EBC_PB2AP 0x9400C800
@@ -349,14 +427,6 @@
#define CFG_EBC_CFG 0x7FC00000 /* EBC0_CFG */
/*-----------------------------------------------------------------------
- * NAND FLASH
- *----------------------------------------------------------------------*/
-#define CFG_MAX_NAND_DEVICE 1
-#define NAND_MAX_CHIPS 1
-#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS)
-#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */
-
-/*-----------------------------------------------------------------------
* GPIO Setup
*----------------------------------------------------------------------*/
/*-----------------------------------------------------------------------