From patchwork Fri Sep 30 12:29:07 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot,v2] da830: add support for NAND boot mode Date: Fri, 30 Sep 2011 02:29:07 -0000 From: nagabhushana.netagunte@ti.com X-Patchwork-Id: 117135 Message-Id: <1317385747-26214-2-git-send-email-nagabhushana.netagunte@ti.com> To: Cc: sudhakar.raj@ti.com, manjunath.hadli@ti.com From: Nagabhushana Netagunte Add support for enabling NAND boot mode in configuration file and add correspanding pinmux support, nand initialize function in board file. Since the environment variable are stored in first block CONFIG_ENV_OFFSET is set to offset 0 from (512 << 10) and also the size required for environment variables not more than 10KB the CONFIG_ENV_SIZE is set to 10KB from (512 << 10). Signed-off-by: Sudhakar Rajashekhara Signed-off-by: Nagabhushana Netagunte Acked-by: Nick Thompson --- board/davinci/da8xxevm/da830evm.c | 63 +++++++++++++++++++++++++++++++++++++ include/configs/da830evm.h | 4 ++- 2 files changed, 66 insertions(+), 1 deletions(-) diff --git a/board/davinci/da8xxevm/da830evm.c b/board/davinci/da8xxevm/da830evm.c index 69ed293..b876ada 100644 --- a/board/davinci/da8xxevm/da830evm.c +++ b/board/davinci/da8xxevm/da830evm.c @@ -40,6 +40,8 @@ #include #include #include +#include +#include #include DECLARE_GLOBAL_DATA_PTR; @@ -98,6 +100,56 @@ static const struct pinmux_config i2c_pins[] = { { pinmux(8), 2, 4 } }; +#ifdef CONFIG_USE_NAND +/* NAND pin muxer settings */ +const struct pinmux_config aemif_pins[] = { + { pinmux(13), 1, 6 }, + { pinmux(13), 1, 7 }, + { pinmux(14), 1, 0 }, + { pinmux(14), 1, 1 }, + { pinmux(14), 1, 2 }, + { pinmux(14), 1, 3 }, + { pinmux(14), 1, 4 }, + { pinmux(14), 1, 5 }, + { pinmux(14), 1, 6 }, + { pinmux(14), 1, 7 }, + { pinmux(15), 1, 0 }, + { pinmux(15), 1, 1 }, + { pinmux(15), 1, 2 }, + { pinmux(15), 1, 3 }, + { pinmux(15), 1, 4 }, + { pinmux(15), 1, 5 }, + { pinmux(15), 1, 6 }, + { pinmux(15), 1, 7 }, + { pinmux(16), 1, 0 }, + { pinmux(16), 1, 1 }, + { pinmux(16), 1, 2 }, + { pinmux(16), 1, 3 }, + { pinmux(16), 1, 4 }, + { pinmux(16), 1, 5 }, + { pinmux(16), 1, 6 }, + { pinmux(16), 1, 7 }, + { pinmux(17), 1, 0 }, + { pinmux(17), 1, 1 }, + { pinmux(17), 1, 2 }, + { pinmux(17), 1, 3 }, + { pinmux(17), 1, 4 }, + { pinmux(17), 1, 5 }, + { pinmux(17), 1, 6 }, + { pinmux(17), 1, 7 }, + { pinmux(18), 1, 0 }, + { pinmux(18), 1, 1 }, + { pinmux(18), 1, 2 }, + { pinmux(18), 1, 3 }, + { pinmux(18), 1, 4 }, + { pinmux(18), 1, 5 }, + { pinmux(18), 1, 6 }, + { pinmux(18), 1, 7 }, + { pinmux(10), 1, 0 } +}; +#endif + + /* USB0_DRVVBUS pin muxer settings */ static const struct pinmux_config usb_pins[] = { { pinmux(9), 1, 1 } @@ -114,6 +166,7 @@ static const struct pinmux_resource pinmuxes[] = { #endif #ifdef CONFIG_USE_NAND PINMUX_ITEM(emifa_nand_pins), + PINMUX_ITEM(aemif_pins), #endif #if defined(CONFIG_DRIVER_TI_EMAC) PINMUX_ITEM(emac_pins), @@ -184,6 +237,16 @@ int board_init(void) return(0); } + +#ifdef CONFIG_NAND_DAVINCI +int board_nand_init(struct nand_chip *nand) +{ + davinci_nand_init(nand); + + return 0; +} +#endif + #if defined(CONFIG_DRIVER_TI_EMAC) #define PHY_SW_I2C_ADDR 0x5f /* Address of PHY on i2c bus */ diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h index eaf40ea..0b76dfb 100644 --- a/include/configs/da830evm.h +++ b/include/configs/da830evm.h @@ -106,8 +106,10 @@ #define CONFIG_SYS_NO_FLASH #define CONFIG_ENV_IS_IN_NAND /* U-Boot env in NAND Flash */ #define CONFIG_ENV_OFFSET (512 << 10) -#define CONFIG_ENV_SIZE (512 << 10) +#define CONFIG_ENV_SIZE (10 << 10) /* 10KB */ +#define CONFIG_SYS_NAND_USE_FLASH_BBT #define CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST +#define CONFIG_SYS_NAND_PAGE_2K #define CONFIG_SYS_NAND_CS 3 #define CONFIG_SYS_NAND_BASE DAVINCI_ASYNC_EMIF_DATA_CE3_BASE #define CONFIG_SYS_NAND_PAGE_2K