sunxi/nand: Add support to the SPL for loading u-boot from internal NAND memory

[karo-tx-uboot.git] / include / configs / sunxi-common.h

diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index 76f42f5f3dcee179342523523d11ced5ab93838a..aad22f7e55b798d7ca0128ac9af3e7318517f107 100644 (file)
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -148,8 +148,10 @@
 #define CONFIG_CMD_MMC
 #define CONFIG_MMC_SUNXI
 #define CONFIG_MMC_SUNXI_SLOT          0
+#if !defined(CONFIG_SPL_NAND_SUPPORT)
 #define CONFIG_ENV_IS_IN_MMC
 #define CONFIG_SYS_MMC_ENV_DEV         0       /* first detected MMC controller */
+#endif /* CONFIG_SPL_NAND_SUPPORT */
 #endif
 
 /* 4MB of malloc() pool */
@@ -355,6 +357,24 @@ extern int soft_i2c_gpio_scl;
 #define CONFIG_ENV_IS_NOWHERE
 #endif
 
+#ifdef CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_NAND
+#define CONFIG_SYS_NAND_SELF_INIT
+#define CONFIG_NAND_SUNXI
+#define CONFIG_CMD_SPL_WRITE_SIZE              0x000400
+#define CONFIG_SYS_NAND_U_BOOT_OFFS            0x008000
+
+/* \todo Make these parameterisable in kernel config ? */
+#define CONFIG_NAND_SUNXI_PAGE_SIZE            8192
+#define CONFIG_NAND_SUNXI_ECC_STEP             1024
+#define CONFIG_NAND_SUNXI_ECC_STRENGTH         40
+#define CONFIG_NAND_SUNXI_ADDR_CYCLES          5
+
+#ifndef CONFIG_NAND_SUNXI_GPC_PORTS
+#error "No NAND GPC ports defined, NAND unsupported"
+#endif
+#endif /* CONFIG_SPL_NAND_SUPPORT */
+
 #define CONFIG_MISC_INIT_R
 #define CONFIG_SYS_CONSOLE_IS_IN_ENV