NAND boot: MPC8313ERDB support
Note that with older board revisions, NAND boot may only work after a
power-on reset, and not after a warm reset. I don't have a newer board
to test on; if you have a board with a 33MHz crystal, please let me know
if it works after a warm reset.
Signed-off-by: Scott Wood <scottwood@freescale.com>
diff --git a/include/configs/MPC8313ERDB.h b/include/configs/MPC8313ERDB.h
index 3a644d3..37f8cff 100644
--- a/include/configs/MPC8313ERDB.h
+++ b/include/configs/MPC8313ERDB.h
@@ -63,6 +63,10 @@
#define CFG_IMMR 0xE0000000
+#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
+#define CONFIG_DEFAULT_IMMR CFG_IMMR
+#endif
+
#define CFG_MEMTEST_START 0x00001000
#define CFG_MEMTEST_END 0x07f00000
@@ -173,10 +177,10 @@
#define CFG_FLASH_EMPTY_INFO /* display empty sectors */
#define CFG_FLASH_USE_BUFFER_WRITE /* buffer up multiple bytes */
-#define CFG_BR0_PRELIM (CFG_FLASH_BASE | /* flash Base address */ \
+#define CFG_NOR_BR_PRELIM (CFG_FLASH_BASE | /* flash Base address */ \
(2 << BR_PS_SHIFT) | /* 16 bit port size */ \
BR_V) /* valid */
-#define CFG_OR0_PRELIM ( 0xFF000000 /* 16 MByte */ \
+#define CFG_NOR_OR_PRELIM ( 0xFF800000 /* 8 MByte */ \
| OR_GPCM_XACS \
| OR_GPCM_SCY_9 \
| OR_GPCM_EHTR \
@@ -193,7 +197,7 @@
#define CFG_MONITOR_BASE TEXT_BASE /* start of monitor */
-#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
+#if (CFG_MONITOR_BASE < CFG_FLASH_BASE) && !defined(CONFIG_NAND_SPL)
#define CFG_RAMBOOT
#endif
@@ -220,19 +224,31 @@
#define CFG_LBC_MRTPR 0x20000000 /*TODO */ /* LB refresh timer prescal, 266MHz/32 */
/* drivers/mtd/nand/nand.c */
-#define CFG_NAND_BASE 0xE2800000 /* 0xF0000000 */
+#ifdef CONFIG_NAND_SPL
+#define CFG_NAND_BASE 0xFFF00000
+#else
+#define CFG_NAND_BASE 0xE2800000
+#endif
+
#define CFG_MAX_NAND_DEVICE 1
#define NAND_MAX_CHIPS 1
#define CONFIG_MTD_NAND_VERIFY_WRITE
#define CONFIG_CMD_NAND 1
#define CONFIG_NAND_FSL_ELBC 1
+#define CFG_NAND_BLOCK_SIZE 16384
-#define CFG_BR1_PRELIM ( CFG_NAND_BASE \
+#define CFG_NAND_U_BOOT_SIZE (512 << 10)
+#define CFG_NAND_U_BOOT_DST 0x00100000
+#define CFG_NAND_U_BOOT_START 0x00100100
+#define CFG_NAND_U_BOOT_OFFS 16384
+#define CFG_NAND_U_BOOT_RELOC 0x00010000
+
+#define CFG_NAND_BR_PRELIM ( CFG_NAND_BASE \
| (2<<BR_DECC_SHIFT) /* Use HW ECC */ \
| BR_PS_8 /* Port Size = 8 bit */ \
| BR_MS_FCM /* MSEL = FCM */ \
| BR_V ) /* valid */
-#define CFG_OR1_PRELIM ( 0xFFFF8000 /* length 32K */ \
+#define CFG_NAND_OR_PRELIM ( 0xFFFF8000 /* length 32K */ \
| OR_FCM_CSCT \
| OR_FCM_CST \
| OR_FCM_CHT \
@@ -240,9 +256,25 @@
| OR_FCM_TRLX \
| OR_FCM_EHTR )
/* 0xFFFF8396 */
+
+#ifdef CONFIG_NAND_U_BOOT
+#define CFG_BR0_PRELIM CFG_NAND_BR_PRELIM
+#define CFG_OR0_PRELIM CFG_NAND_OR_PRELIM
+#define CFG_BR1_PRELIM CFG_NOR_BR_PRELIM
+#define CFG_OR1_PRELIM CFG_NOR_OR_PRELIM
+#else
+#define CFG_BR0_PRELIM CFG_NOR_BR_PRELIM
+#define CFG_OR0_PRELIM CFG_NOR_OR_PRELIM
+#define CFG_BR1_PRELIM CFG_NAND_BR_PRELIM
+#define CFG_OR1_PRELIM CFG_NAND_OR_PRELIM
+#endif
+
#define CFG_LBLAWBAR1_PRELIM CFG_NAND_BASE
#define CFG_LBLAWAR1_PRELIM 0x8000000E /* 32KB */
+#define CFG_NAND_LBLAWBAR_PRELIM CFG_LBLAWBAR1_PRELIM
+#define CFG_NAND_LBLAWAR_PRELIM CFG_LBLAWAR1_PRELIM
+
/* local bus read write buffer mapping */
#define CFG_BR3_PRELIM 0xFA000801 /* map at 0xFA000000 */
#define CFG_OR3_PRELIM 0xFFFF8FF7 /* 32kB */
@@ -274,7 +306,6 @@
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE 1
-#define CFG_NS16550_CLK get_bus_freq(0)
#define CFG_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 115200}
@@ -353,7 +384,15 @@
/*
* Environment
*/
-#ifndef CFG_RAMBOOT
+#if defined(CONFIG_NAND_U_BOOT)
+ #define CFG_ENV_IS_IN_NAND 1
+ #define CFG_ENV_OFFSET (512 * 1024)
+ #define CFG_ENV_SECT_SIZE CFG_NAND_BLOCK_SIZE
+ #define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
+ #define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE
+ #define CFG_ENV_RANGE (CFG_ENV_SECT_SIZE * 4)
+ #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET + CFG_ENV_RANGE)
+#elif !defined(CFG_RAMBOOT)
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
#define CFG_ENV_SECT_SIZE 0x10000 /* 64K(one sector) for env */
@@ -390,7 +429,7 @@
#define CONFIG_CMD_DATE
#define CONFIG_CMD_PCI
-#if defined(CFG_RAMBOOT)
+#if defined(CFG_RAMBOOT) && !defined(CONFIG_NAND_U_BOOT)
#undef CONFIG_CMD_ENV
#undef CONFIG_CMD_LOADS
#endif
@@ -432,6 +471,8 @@
HRCWL_CSB_TO_CLKIN_2X1 |\
HRCWL_CORE_TO_CSB_2X1)
+#define CFG_NS16550_CLK (CONFIG_83XX_CLKIN * 2)
+
#elif defined(CFG_33MHZ)
/* 33MHz IN, 165MHz CSB, 330 DDR, 330 CORE */
@@ -444,22 +485,31 @@
HRCWL_CSB_TO_CLKIN_5X1 |\
HRCWL_CORE_TO_CSB_2X1)
+#define CFG_NS16550_CLK (CONFIG_83XX_CLKIN * 5)
+
#endif
-/* 0xa0606c00 */
-#define CFG_HRCW_HIGH (\
+#define CFG_HRCW_HIGH_BASE (\
HRCWH_PCI_HOST |\
HRCWH_PCI1_ARBITER_ENABLE |\
HRCWH_CORE_ENABLE |\
- HRCWH_FROM_0X00000100 |\
HRCWH_BOOTSEQ_DISABLE |\
HRCWH_SW_WATCHDOG_DISABLE |\
- HRCWH_ROM_LOC_LOCAL_16BIT |\
- HRCWH_RL_EXT_LEGACY |\
HRCWH_TSEC1M_IN_RGMII |\
HRCWH_TSEC2M_IN_RGMII |\
- HRCWH_BIG_ENDIAN |\
- HRCWH_LALE_NORMAL)
+ HRCWH_BIG_ENDIAN)
+
+#ifdef CONFIG_NAND_SPL
+#define CFG_HRCW_HIGH (CFG_HRCW_HIGH_BASE |\
+ HRCWH_FROM_0XFFF00100 |\
+ HRCWH_ROM_LOC_NAND_SP_8BIT |\
+ HRCWH_RL_EXT_NAND)
+#else
+#define CFG_HRCW_HIGH (CFG_HRCW_HIGH_BASE |\
+ HRCWH_FROM_0X00000100 |\
+ HRCWH_ROM_LOC_LOCAL_16BIT |\
+ HRCWH_RL_EXT_LEGACY)
+#endif
/* System IO Config */
#define CFG_SICRH (SICRH_TSOBI1 | SICRH_TSOBI2) /* RGMII */
diff --git a/include/mpc83xx.h b/include/mpc83xx.h
index 897ecd6..70a4de7 100644
--- a/include/mpc83xx.h
+++ b/include/mpc83xx.h
@@ -30,7 +30,9 @@
/* IMMRBAR - Internal Memory Register Base Address
*/
+#ifndef CONFIG_DEFAULT_IMMR
#define CONFIG_DEFAULT_IMMR 0xFF400000 /* Default IMMR base address */
+#endif
#define IMMRBAR 0x0000 /* Register offset to immr */
#define IMMRBAR_BASE_ADDR 0xFFF00000 /* Base address mask */
#define IMMRBAR_RES ~(IMMRBAR_BASE_ADDR)
diff --git a/include/nand.h b/include/nand.h
index d5af432..764e9f9 100644
--- a/include/nand.h
+++ b/include/nand.h
@@ -126,5 +126,7 @@
void board_nand_select_device(struct nand_chip *nand, int chip);
#endif
+__attribute__((noreturn)) void nand_boot(void);
+
#endif /* !CFG_NAND_LEGACY */
#endif