[U-Boot] [PATCH v1 2/2] ti814x_evm: enable support for NAND
Pekon Gupta
pekon at ti.com
Tue Aug 6 10:15:08 CEST 2013
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 at 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
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