diff options
Diffstat (limited to 'arch/arm/mach-davinci')
| -rw-r--r-- | arch/arm/mach-davinci/board-da850-evm.c | 59 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/da850.c | 50 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/da8xx.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/mux.h | 34 |
4 files changed, 145 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 62d37cb6f29..70a2f487da9 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -22,6 +22,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -41,6 +42,39 @@ #define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0) #define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1) +static struct mtd_partition da850_evm_norflash_partition[] = { + { + .name = "NOR filesystem", + .offset = 0, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0, + }, +}; + +static struct physmap_flash_data da850_evm_norflash_data = { + .width = 2, + .parts = da850_evm_norflash_partition, + .nr_parts = ARRAY_SIZE(da850_evm_norflash_partition), +}; + +static struct resource da850_evm_norflash_resource[] = { + { + .start = DA8XX_AEMIF_CS2_BASE, + .end = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device da850_evm_norflash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &da850_evm_norflash_data, + }, + .num_resources = 1, + .resource = da850_evm_norflash_resource, +}; + /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash * (128K blocks). It may be used instead of the (default) SPI flash * to boot, using TI's tools to install the secondary boot loader @@ -120,6 +154,7 @@ static struct davinci_uart_config da850_evm_uart_config __initdata = { static struct platform_device *da850_evm_devices[] __initdata = { &da850_evm_nandflash_device, + &da850_evm_norflash_device, }; /* davinci da850 evm audio machine driver */ @@ -192,6 +227,23 @@ static int da850_lcd_hw_init(void) return 0; } +#define DA8XX_AEMIF_CE2CFG_OFFSET 0x10 +#define DA8XX_AEMIF_ASIZE_16BIT 0x1 + +static void __init da850_evm_init_nor(void) +{ + void __iomem *aemif_addr; + + aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K); + + /* Configure data bus width of CS2 to 16 bit */ + writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) | + DA8XX_AEMIF_ASIZE_16BIT, + aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET); + + iounmap(aemif_addr); +} + static __init void da850_evm_init(void) { struct davinci_soc_info *soc_info = &davinci_soc_info; @@ -202,6 +254,13 @@ static __init void da850_evm_init(void) pr_warning("da850_evm_init: nand mux setup failed: %d\n", ret); + ret = da8xx_pinmux_setup(da850_nor_pins); + if (ret) + pr_warning("da850_evm_init: nor mux setup failed: %d\n", + ret); + + da850_evm_init_nor(); + platform_add_devices(da850_evm_devices, ARRAY_SIZE(da850_evm_devices)); diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index db420941345..192d719a47d 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -471,6 +471,40 @@ static const struct mux_config da850_pins[] = { MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false) MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false) MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false) + MUX_CFG(DA850, EMA_A_0, 12, 28, 15, 1, false) + MUX_CFG(DA850, EMA_A_3, 12, 16, 15, 1, false) + MUX_CFG(DA850, EMA_A_4, 12, 12, 15, 1, false) + MUX_CFG(DA850, EMA_A_5, 12, 8, 15, 1, false) + MUX_CFG(DA850, EMA_A_6, 12, 4, 15, 1, false) + MUX_CFG(DA850, EMA_A_7, 12, 0, 15, 1, false) + MUX_CFG(DA850, EMA_A_8, 11, 28, 15, 1, false) + MUX_CFG(DA850, EMA_A_9, 11, 24, 15, 1, false) + MUX_CFG(DA850, EMA_A_10, 11, 20, 15, 1, false) + MUX_CFG(DA850, EMA_A_11, 11, 16, 15, 1, false) + MUX_CFG(DA850, EMA_A_12, 11, 12, 15, 1, false) + MUX_CFG(DA850, EMA_A_13, 11, 8, 15, 1, false) + MUX_CFG(DA850, EMA_A_14, 11, 4, 15, 1, false) + MUX_CFG(DA850, EMA_A_15, 11, 0, 15, 1, false) + MUX_CFG(DA850, EMA_A_16, 10, 28, 15, 1, false) + MUX_CFG(DA850, EMA_A_17, 10, 24, 15, 1, false) + MUX_CFG(DA850, EMA_A_18, 10, 20, 15, 1, false) + MUX_CFG(DA850, EMA_A_19, 10, 16, 15, 1, false) + MUX_CFG(DA850, EMA_A_20, 10, 12, 15, 1, false) + MUX_CFG(DA850, EMA_A_21, 10, 8, 15, 1, false) + MUX_CFG(DA850, EMA_A_22, 10, 4, 15, 1, false) + MUX_CFG(DA850, EMA_A_23, 10, 0, 15, 1, false) + MUX_CFG(DA850, EMA_D_8, 8, 28, 15, 1, false) + MUX_CFG(DA850, EMA_D_9, 8, 24, 15, 1, false) + MUX_CFG(DA850, EMA_D_10, 8, 20, 15, 1, false) + MUX_CFG(DA850, EMA_D_11, 8, 16, 15, 1, false) + MUX_CFG(DA850, EMA_D_12, 8, 12, 15, 1, false) + MUX_CFG(DA850, EMA_D_13, 8, 8, 15, 1, false) + MUX_CFG(DA850, EMA_D_14, 8, 4, 15, 1, false) + MUX_CFG(DA850, EMA_D_15, 8, 0, 15, 1, false) + MUX_CFG(DA850, EMA_BA_1, 5, 24, 15, 1, false) + MUX_CFG(DA850, EMA_CLK, 6, 0, 15, 1, false) + MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false) + MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false) /* GPIO function */ MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false) MUX_CFG(DA850, GPIO8_10, 18, 28, 15, 8, false) @@ -545,6 +579,22 @@ const short da850_nand_pins[] __initdata = { -1 }; +const short da850_nor_pins[] __initdata = { + DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2, + DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1, + DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5, + DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9, + DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13, + DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1, + DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5, + DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9, + DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13, + DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17, + DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21, + DA850_EMA_A_22, DA850_EMA_A_23, + -1 +}; + /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = { [IRQ_DA8XX_COMMTX] = 7, diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index 77e5d2398e2..d4095d0572c 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -40,6 +40,7 @@ #define DA8XX_PSC1_BASE 0x01e27000 #define DA8XX_LCD_CNTRL_BASE 0x01e13000 #define DA8XX_MMCSD0_BASE 0x01c40000 +#define DA8XX_AEMIF_CS2_BASE 0x60000000 #define DA8XX_AEMIF_CS3_BASE 0x62000000 #define DA8XX_AEMIF_CTL_BASE 0x68000000 @@ -113,6 +114,7 @@ extern const short da850_mcasp_pins[]; extern const short da850_lcdcntl_pins[]; extern const short da850_mmcsd0_pins[]; extern const short da850_nand_pins[]; +extern const short da850_nor_pins[]; int da8xx_pinmux_setup(const short pins[]); diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h index ee6f29db445..88cd22af494 100644 --- a/arch/arm/mach-davinci/include/mach/mux.h +++ b/arch/arm/mach-davinci/include/mach/mux.h @@ -821,6 +821,40 @@ enum davinci_da850_index { DA850_NEMA_CS_4, DA850_NEMA_WE, DA850_NEMA_OE, + DA850_EMA_D_15, + DA850_EMA_D_14, + DA850_EMA_D_13, + DA850_EMA_D_12, + DA850_EMA_D_11, + DA850_EMA_D_10, + DA850_EMA_D_9, + DA850_EMA_D_8, + DA850_EMA_A_0, + DA850_EMA_A_3, + DA850_EMA_A_4, + DA850_EMA_A_5, + DA850_EMA_A_6, + DA850_EMA_A_7, + DA850_EMA_A_8, + DA850_EMA_A_9, + DA850_EMA_A_10, + DA850_EMA_A_11, + DA850_EMA_A_12, + DA850_EMA_A_13, + DA850_EMA_A_14, + DA850_EMA_A_15, + DA850_EMA_A_16, + DA850_EMA_A_17, + DA850_EMA_A_18, + DA850_EMA_A_19, + DA850_EMA_A_20, + DA850_EMA_A_21, + DA850_EMA_A_22, + DA850_EMA_A_23, + DA850_EMA_BA_1, + DA850_EMA_CLK, + DA850_EMA_WAIT_1, + DA850_NEMA_CS_2, /* GPIO function */ DA850_GPIO2_15, |