[U-Boot] [PATCH v1 2/2] ti814x_evm: enable support for NAND

[Pekon Gupta <pekon@ti.com>]

ti814x_evm has on-board socket for using Micron (MT29Fxx) family of
NAND devices to GPMC interface. This patch
- adds NAND related pin-mux configuration for same
- adds #defines for NAND partitions to TI814x configs
- enables support for NAND in TI814x configs
-

Signed-off-by: Pekon Gupta <pekon@ti.com>
---
 board/ti/ti814x/evm.c        |  4 +++
 board/ti/ti814x/evm.h        |  1 +
 board/ti/ti814x/mux.c        | 59 +++++++++++++++++++++++++++++++++++++
 include/configs/ti814x_evm.h | 70 +++++++++++++++++++++++++++++++++++++++++++-
 4 files changed, 133 insertions(+), 1 deletion(-)

diff --git a/board/ti/ti814x/evm.c b/board/ti/ti814x/evm.c
index 17fba5a..165cdf4 100644
--- a/board/ti/ti814x/evm.c
+++ b/board/ti/ti814x/evm.c
@@ -140,6 +140,9 @@ void s_init(void)
 	/* Set Ethernet pins */
 	enable_enet_pin_mux();
 
+	/* Set NAND pins */
+	enable_nand_pin_mux();
+
 	/* Enable UART */
 	uart_enable();
 
@@ -162,6 +165,7 @@ void s_init(void)
 int board_init(void)
 {
 	gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
+	gpmc_init();
 	return 0;
 }
 
diff --git a/board/ti/ti814x/evm.h b/board/ti/ti814x/evm.h
index 6aebec6..113ccc0 100644
--- a/board/ti/ti814x/evm.h
+++ b/board/ti/ti814x/evm.h
@@ -4,5 +4,6 @@
 void enable_uart0_pin_mux(void);
 void enable_mmc1_pin_mux(void);
 void enable_enet_pin_mux(void);
+void enable_nand_pin_mux(void);
 
 #endif /* _EVM_H */
diff --git a/board/ti/ti814x/mux.c b/board/ti/ti814x/mux.c
index fd9f364..5410b1d 100644
--- a/board/ti/ti814x/mux.c
+++ b/board/ti/ti814x/mux.c
@@ -70,6 +70,60 @@ static struct module_pin_mux enet_pin_mux[] = {
 	{OFFSET(pincntl258), MODE(0x01)},		/* EMAC[0]_MTXEN */
 };
 
+static struct module_pin_mux nand_pin_mux[] = {
+		{OFFSET(pincntl89) , MODE(1) | PULLUDDIS}, /* GPMC_D0  */
+		{OFFSET(pincntl90) , MODE(1) | PULLUDDIS}, /* GPMC_D1  */
+		{OFFSET(pincntl91) , MODE(1) | PULLUDDIS}, /* GPMC_D2  */
+		{OFFSET(pincntl92) , MODE(1) | PULLUDDIS}, /* GPMC_D3  */
+		{OFFSET(pincntl93) , MODE(1) | PULLUDDIS}, /* GPMC_D4  */
+		{OFFSET(pincntl94) , MODE(1) | PULLUDDIS}, /* GPMC_D5  */
+		{OFFSET(pincntl95) , MODE(1) | PULLUDDIS}, /* GPMC_D6  */
+		{OFFSET(pincntl96) , MODE(1) | PULLUDDIS}, /* GPMC_D7  */
+		{OFFSET(pincntl97) , MODE(1) | PULLUDDIS}, /* GPMC_D8  */
+		{OFFSET(pincntl98) , MODE(1) | PULLUDDIS}, /* GPMC_D9  */
+		{OFFSET(pincntl99) , MODE(1) | PULLUDDIS}, /* GPMC_D10 */
+		{OFFSET(pincntl100), MODE(1) | PULLUDDIS}, /* GPMC_D11 */
+		{OFFSET(pincntl101), MODE(1) | PULLUDDIS}, /* GPMC_D12 */
+		{OFFSET(pincntl102), MODE(1) | PULLUDDIS}, /* GPMC_D13 */
+		{OFFSET(pincntl103), MODE(1) | PULLUDDIS}, /* GPMC_D14 */
+		{OFFSET(pincntl104), MODE(1) | PULLUDDIS}, /* GPMC_D15 */
+		{OFFSET(pincntl117), MODE(2) | PULLUP_EN}, /* GPMC_A1  */
+		{OFFSET(pincntl118), MODE(2) | PULLUP_EN}, /* GPMC_A2  */
+		{OFFSET(pincntl119), MODE(2) | PULLUP_EN}, /* GPMC_A3  */
+		{OFFSET(pincntl120), MODE(2) | PULLUP_EN}, /* GPMC_A4  */
+		{OFFSET(pincntl168), MODE(5) | PULLUP_EN}, /* GPMC_A5  */
+		{OFFSET(pincntl169), MODE(5) | PULLUP_EN}, /* GPMC_A6  */
+		{OFFSET(pincntl170), MODE(5) | PULLUP_EN}, /* GPMC_A7  */
+		{OFFSET(pincntl171), MODE(5) | PULLUP_EN}, /* GPMC_A8  */
+		{OFFSET(pincntl172), MODE(5) | PULLUP_EN}, /* GPMC_A9  */
+		{OFFSET(pincntl173), MODE(5) | PULLUP_EN}, /* GPMC_A10 */
+		{OFFSET(pincntl174), MODE(5) | PULLUP_EN}, /* GPMC_A11 */
+		{OFFSET(pincntl175), MODE(5) | PULLUP_EN}, /* GPMC_A12 */
+		{OFFSET(pincntl228), MODE(2) | PULLUP_EN}, /* GPMC_A13 */
+		{OFFSET(pincntl229), MODE(2) | PULLUP_EN}, /* GPMC_A14 */
+		{OFFSET(pincntl230), MODE(2) | PULLUP_EN}, /* GPMC_A15 */
+		{OFFSET(pincntl105), MODE(1) | PULLUP_EN}, /* GPMC_A16 */
+		{OFFSET(pincntl106), MODE(1) | PULLUP_EN}, /* GPMC_A17 */
+		{OFFSET(pincntl107), MODE(1) | PULLUP_EN}, /* GPMC_A18 */
+		{OFFSET(pincntl108), MODE(1) | PULLUP_EN}, /* GPMC_A19 */
+		{OFFSET(pincntl109), MODE(1) | PULLUP_EN}, /* GPMC_A20 */
+		{OFFSET(pincntl110), MODE(1) | PULLUP_EN}, /* GPMC_A21 */
+		{OFFSET(pincntl111), MODE(1) | PULLUP_EN}, /* GPMC_A22 */
+		{OFFSET(pincntl112), MODE(1) | PULLUP_EN}, /* GPMC_A23 */
+		{OFFSET(pincntl113), MODE(2) | PULLUP_EN}, /* GPMC_A24 */
+		{OFFSET(pincntl114), MODE(2) | PULLUP_EN}, /* GPMC_A25 */
+		{OFFSET(pincntl115), MODE(2) | PULLUP_EN}, /* GPMC_A26 */
+		{OFFSET(pincntl116), MODE(2) | PULLUP_EN}, /* GPMC_A27 */
+		{OFFSET(pincntl122), MODE(1) | PULLUDEN},  /* GPMC_CS0 */
+		{OFFSET(pincntl127), MODE(1)},		   /* GPMC_CLK */
+		{OFFSET(pincntl128), MODE(1)},		   /* GPMC_ALE_ADV */
+		{OFFSET(pincntl129), MODE(1) | PULLUDEN},  /* GPMC_OE_RE */
+		{OFFSET(pincntl130), MODE(1) | PULLUP_EN}, /* GPMC_WEN */
+		{OFFSET(pincntl131), MODE(1) | PULLUP_EN}, /* GPMC_BEN0 */
+		{OFFSET(pincntl133), MODE(1) | PULLUDEN},  /* GPMC_WAIT0 */
+		{0},
+};
+
 void enable_uart0_pin_mux(void)
 {
 	configure_module_pin_mux(uart0_pin_mux);
@@ -84,3 +138,8 @@ void enable_enet_pin_mux(void)
 {
 	configure_module_pin_mux(enet_pin_mux);
 }
+
+void enable_nand_pin_mux(void)
+{
+	configure_module_pin_mux(nand_pin_mux);
+}
diff --git a/include/configs/ti814x_evm.h b/include/configs/ti814x_evm.h
index eac5ad0..b6fafc7 100644
--- a/include/configs/ti814x_evm.h
+++ b/include/configs/ti814x_evm.h
@@ -18,7 +18,6 @@
 
 #define CONFIG_TI81XX
 #define CONFIG_TI814X
-#define CONFIG_SYS_NO_FLASH
 #define CONFIG_OMAP
 
 #include <asm/arch/omap.h>
@@ -56,6 +55,7 @@
 	"fdtfile=\0" \
 	"console=ttyO0,115200n8\0" \
 	"optargs=\0" \
+	"dfu_alt_info_nand=" DFU_ALT_INFO_NAND "\0" \
 	"mmcdev=0\0" \
 	"mmcroot=/dev/mmcblk0p2 ro\0" \
 	"mmcrootfstype=ext4 rootwait\0" \
@@ -134,6 +134,13 @@
 #define CONFIG_DOS_PARTITION
 #define CONFIG_CMD_FAT
 #define CONFIG_CMD_EXT2
+#define CONFIG_DFU_NAND
+#define DFU_ALT_INFO_NAND \
+	"u-boot-spl part 0 1;" \
+	"u-boot-main part 0 2;" \
+	"env variables part 0 3;" \
+	"kernel part 0 4;" \
+	"rootfs part 0 5"
 
 /**
  * Physical Memory Map
@@ -186,6 +193,14 @@
 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS      0x200 /* 256 KB */
 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION    1
 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME        "u-boot.img"
+
+#ifdef CONFIG_SPL_OS_BOOT
+/* nand */
+#define CONFIG_CMD_SPL_NAND_OFS			0x000000 /* end of u-boot */
+#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS		0x280000
+#define CONFIG_CMD_SPL_WRITE_SIZE		0x1000
+#endif
+
 #define CONFIG_SPL_MMC_SUPPORT
 #define CONFIG_SPL_FAT_SUPPORT
 
@@ -200,6 +215,32 @@
 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"
 
 #define CONFIG_SPL_BOARD_INIT
+#define CONFIG_SPL_NAND_AM33XX_BCH
+#define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SPL_NAND_BASE
+#define CONFIG_SPL_NAND_DRIVERS
+#define CONFIG_SPL_NAND_ECC
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
+					 CONFIG_SYS_NAND_PAGE_SIZE)
+#define CONFIG_SYS_NAND_PAGE_SIZE	2048
+#define CONFIG_SYS_NAND_OOBSIZE		64
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
+#define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
+					 10, 11, 12, 13, 14, 15, 16, 17, \
+					 18, 19, 20, 21, 22, 23, 24, 25, \
+					 26, 27, 28, 29, 30, 31, 32, 33, \
+					 34, 35, 36, 37, 38, 39, 40, 41, \
+					 42, 43, 44, 45, 46, 47, 48, 49, \
+					 50, 51, 52, 53, 54, 55, 56, 57, }
+
+#define CONFIG_SYS_NAND_ECCSIZE		512
+#define CONFIG_SYS_NAND_ECCBYTES	14
+
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
+
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x20000
 
 /*
  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
@@ -242,5 +283,32 @@
 #define CONFIG_PHY_ADDR			1
 #define CONFIG_PHY_ET1011C
 #define CONFIG_PHY_ET1011C_TX_CLK_FIX
+#define CONFIG_NAND
+/* NAND support */
+#ifdef CONFIG_NAND
+#define CONFIG_MTD_NAND_OMAP_BCH
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_MTDPARTS
+#define MTDIDS_DEFAULT			"nand0=omap2-nand.0"
+#define MTDPARTS_DEFAULT		"mtdparts=omap2-nand.0:128k(SPL)," \
+					"128k(u-boot-spl)," \
+					"2M(u-boot-main)," \
+					"128k(u-boot-env),4M(kernel),-(rootfs)"
+#define CONFIG_NAND_OMAP_GPMC
+#define GPMC_NAND_ECC_LP_x16_LAYOUT	1
+#define NAND_BASE			(0x08000000)
+#define CONFIG_SYS_NAND_BASE		(0x08000000)	/* physical address */
+							/* to access nand at */
+							/* CS0 */
+#define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND
+							   devices */
+#define CONFIG_SYS_NAND_BOOT
+#if !defined(CONFIG_SPI_BOOT)
+#undef CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET		0x260000 /* environment starts here */
+#define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
+#endif
+#endif
 
 #endif	/* ! __CONFIG_TI814X_EVM_H */
-- 
1.8.1