MX31: Add NAND SPL boot support to i.MX31 PDK board.
Signed-off-by: Magnus Lilja <lilja.magnus@gmail.com>
diff --git a/include/configs/mx31pdk.h b/include/configs/mx31pdk.h
index 7167e9d..a4862c6 100644
--- a/include/configs/mx31pdk.h
+++ b/include/configs/mx31pdk.h
@@ -43,10 +43,10 @@
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG 1
-/* No support for NAND boot for i.MX31 PDK yet, so we rely on some other
- * program to initialize the SDRAM.
- */
+#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SKIP_RELOCATE_UBOOT
+#endif
/*
* Size of malloc() pool
@@ -159,4 +159,41 @@
#define CONFIG_ENV_SIZE (128 * 1024)
+/* NAND configuration for the NAND_SPL */
+
+/* Start copying real U-boot from the second page */
+#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x800
+#define CONFIG_SYS_NAND_U_BOOT_SIZE 0x30000
+/* Load U-Boot to this address */
+#define CONFIG_SYS_NAND_U_BOOT_DST 0x87f00000
+#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_NAND_U_BOOT_DST
+
+#define CONFIG_SYS_NAND_PAGE_SIZE 0x800
+#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
+#define CONFIG_SYS_NAND_PAGE_COUNT 64
+#define CONFIG_SYS_NAND_SIZE (256 * 1024 * 1024)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS 0
+
+
+/* Configuration of lowlevel_init.S (clocks and SDRAM) */
+#define CCM_CCMR_SETUP 0x074B0BF5
+#define CCM_PDR0_SETUP_532MHZ (PDR0_CSI_PODF(0x1ff) | PDR0_PER_PODF(7) | \
+ PDR0_HSP_PODF(3) | PDR0_NFC_PODF(5) | \
+ PDR0_IPG_PODF(1) | PDR0_MAX_PODF(3) | \
+ PDR0_MCU_PODF(0))
+#define CCM_MPCTL_SETUP_532MHZ (PLL_PD(0) | PLL_MFD(51) | PLL_MFI(10) | \
+ PLL_MFN(12))
+
+#define ESDMISC_MDDR_SETUP 0x00000004
+#define ESDMISC_MDDR_RESET_DL 0x0000000c
+#define ESDCFG0_MDDR_SETUP 0x006ac73a
+
+#define ESDCTL_ROW_COL (ESDCTL_SDE | ESDCTL_ROW(2) | ESDCTL_COL(2))
+#define ESDCTL_SETTINGS (ESDCTL_ROW_COL | ESDCTL_SREFR(3) | \
+ ESDCTL_DSIZ(2) | ESDCTL_BL(1))
+#define ESDCTL_PRECHARGE (ESDCTL_ROW_COL | ESDCTL_CMD_PRECHARGE)
+#define ESDCTL_AUTOREFRESH (ESDCTL_ROW_COL | ESDCTL_CMD_AUTOREFRESH)
+#define ESDCTL_LOADMODEREG (ESDCTL_ROW_COL | ESDCTL_CMD_LOADMODEREG)
+#define ESDCTL_RW ESDCTL_SETTINGS
+
#endif /* __CONFIG_H */