diff options
author | Steve Kipisz <s-kipisz2@ti.com> | 2013-07-18 15:13:03 -0400 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2013-07-30 09:21:41 -0400 |
commit | cd8845d7a49687e9e7f727c9d821accf22854dd3 (patch) | |
tree | a45912edaf22760b46f43ca03f8f7e10a81af7b7 /board | |
parent | 392bba4ad0049832f50eb368a04992f9719744b0 (diff) |
am335x_evm: Add support for the NOR module on the memory cape
This patch adds support for the NOR module that attaches
to the memory cape for a Beaglebone board. This does not
add booting support; only support so that you can boot from
SD/MMC and see the NOR module so that it can be programmed.
Signed-off-by: Steve Kipisz <s-kipisz2@ti.com>
[trini: Clean up config changes slightly]
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board')
-rw-r--r-- | board/ti/am335x/board.c | 13 | ||||
-rw-r--r-- | board/ti/am335x/mux.c | 53 |
2 files changed, 66 insertions, 0 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index 00802b61b2..b12341d6e6 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -19,6 +19,7 @@ #include <asm/arch/gpio.h> #include <asm/arch/mmc_host_def.h> #include <asm/arch/sys_proto.h> +#include <asm/arch/mem.h> #include <asm/io.h> #include <asm/emif.h> #include <asm/gpio.h> @@ -339,10 +340,22 @@ void s_init(void) */ int board_init(void) { +#ifdef CONFIG_NOR + const u32 gpmc_nor[GPMC_MAX_REG] = { STNOR_GPMC_CONFIG1, + STNOR_GPMC_CONFIG2, STNOR_GPMC_CONFIG3, STNOR_GPMC_CONFIG4, + STNOR_GPMC_CONFIG5, STNOR_GPMC_CONFIG6, STNOR_GPMC_CONFIG7 }; +#endif + gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100; gpmc_init(); +#ifdef CONFIG_NOR + /* Reconfigure CS0 for NOR instead of NAND. */ + enable_gpmc_cs_config(gpmc_nor, &gpmc_cfg->cs[0], + CONFIG_SYS_FLASH_BASE, GPMC_SIZE_16M); +#endif + return 0; } diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c index 2e09d98f9e..187468e24e 100644 --- a/board/ti/am335x/mux.c +++ b/board/ti/am335x/mux.c @@ -190,6 +190,56 @@ static struct module_pin_mux nand_pin_mux[] = { {-1}, }; +#if defined(CONFIG_NOR) +static struct module_pin_mux bone_norcape_pin_mux[] = { + {OFFSET(lcd_data0), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A0 */ + {OFFSET(lcd_data1), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A1 */ + {OFFSET(lcd_data2), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A2 */ + {OFFSET(lcd_data3), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A3 */ + {OFFSET(lcd_data4), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A4 */ + {OFFSET(lcd_data5), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A5 */ + {OFFSET(lcd_data6), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A6 */ + {OFFSET(lcd_data7), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A7 */ + {OFFSET(lcd_vsync), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A8 */ + {OFFSET(lcd_hsync), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A9 */ + {OFFSET(lcd_pclk), MODE(1)| PULLUDEN | RXACTIVE}, /* NOR_A10 */ + {OFFSET(lcd_ac_bias_en), MODE(1)| PULLUDEN | RXACTIVE}, /* NOR_A11 */ + {OFFSET(lcd_data8), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A12 */ + {OFFSET(lcd_data9), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A13 */ + {OFFSET(lcd_data10), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A14 */ + {OFFSET(lcd_data11), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A15 */ + {OFFSET(lcd_data12), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A16 */ + {OFFSET(lcd_data13), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A17 */ + {OFFSET(lcd_data14), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A18 */ + {OFFSET(lcd_data15), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A19 */ + {OFFSET(gpmc_ad0), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD0 */ + {OFFSET(gpmc_ad1), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD1 */ + {OFFSET(gpmc_ad2), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD2 */ + {OFFSET(gpmc_ad3), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD3 */ + {OFFSET(gpmc_ad4), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD4 */ + {OFFSET(gpmc_ad5), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD5 */ + {OFFSET(gpmc_ad6), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD6 */ + {OFFSET(gpmc_ad7), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD7 */ + {OFFSET(gpmc_ad8), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD8 */ + {OFFSET(gpmc_ad9), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD9 */ + {OFFSET(gpmc_ad10), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD10 */ + {OFFSET(gpmc_ad11), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD11 */ + {OFFSET(gpmc_ad12), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD12 */ + {OFFSET(gpmc_ad13), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD13 */ + {OFFSET(gpmc_ad14), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD14 */ + {OFFSET(gpmc_ad15), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD15 */ + + {OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN) | RXACTIVE}, /* NOR_CE */ + {OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN) | RXACTIVE}, /* NOR_ADVN_ALE */ + {OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN | RXACTIVE)},/* NOR_OE */ + {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN | RXACTIVE)},/* NOR_BE0N_CLE */ + {OFFSET(gpmc_wen), (MODE(0) | PULLUDEN | RXACTIVE)}, /* NOR_WEN */ + {OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUDEN)}, /* NOR WAIT */ + {-1}, +}; +#endif + + void enable_uart0_pin_mux(void) { configure_module_pin_mux(uart0_pin_mux); @@ -268,6 +318,9 @@ void enable_board_pin_mux(struct am335x_baseboard_id *header) configure_module_pin_mux(mii1_pin_mux); configure_module_pin_mux(mmc0_pin_mux); configure_module_pin_mux(mmc1_pin_mux); +#if defined(CONFIG_NOR) + configure_module_pin_mux(bone_norcape_pin_mux); +#endif } else if (board_is_gp_evm(header)) { /* General Purpose EVM */ unsigned short profile = detect_daughter_board_profile(); |