diff options
Diffstat (limited to 'arch/arm/mach-davinci/dm644x.c')
-rw-r--r-- | arch/arm/mach-davinci/dm644x.c | 204 |
1 files changed, 200 insertions, 4 deletions
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index d428ef192eac..fb5449b3c97b 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -11,7 +11,11 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/clk.h> +#include <linux/serial_8250.h> #include <linux/platform_device.h> +#include <linux/gpio.h> + +#include <asm/mach/map.h> #include <mach/dm644x.h> #include <mach/clock.h> @@ -20,6 +24,9 @@ #include <mach/irqs.h> #include <mach/psc.h> #include <mach/mux.h> +#include <mach/time.h> +#include <mach/serial.h> +#include <mach/common.h> #include "clock.h" #include "mux.h" @@ -312,7 +319,14 @@ struct davinci_clk dm644x_clks[] = { CLK(NULL, NULL, NULL), }; -#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE) +static struct emac_platform_data dm644x_emac_pdata = { + .ctrl_reg_offset = DM644X_EMAC_CNTRL_OFFSET, + .ctrl_mod_reg_offset = DM644X_EMAC_CNTRL_MOD_OFFSET, + .ctrl_ram_offset = DM644X_EMAC_CNTRL_RAM_OFFSET, + .mdio_reg_offset = DM644X_EMAC_MDIO_OFFSET, + .ctrl_ram_size = DM644X_EMAC_CNTRL_RAM_SIZE, + .version = EMAC_VERSION_1, +}; static struct resource dm644x_emac_resources[] = { { @@ -330,11 +344,15 @@ static struct resource dm644x_emac_resources[] = { static struct platform_device dm644x_emac_device = { .name = "davinci_emac", .id = 1, + .dev = { + .platform_data = &dm644x_emac_pdata, + }, .num_resources = ARRAY_SIZE(dm644x_emac_resources), .resource = dm644x_emac_resources, }; -#endif +#define PINMUX0 0x00 +#define PINMUX1 0x04 /* * Device specific mux setup @@ -343,6 +361,7 @@ static struct platform_device dm644x_emac_device = { * reg offset mask mode */ static const struct mux_config dm644x_pins[] = { +#ifdef CONFIG_DAVINCI_MUX MUX_CFG(DM644X, HDIREN, 0, 16, 1, 1, true) MUX_CFG(DM644X, ATAEN, 0, 17, 1, 1, true) MUX_CFG(DM644X, ATAEN_DISABLE, 0, 17, 1, 0, true) @@ -383,8 +402,76 @@ MUX_CFG(DM644X, RGB666, 0, 22, 1, 1, true) MUX_CFG(DM644X, LOEEN, 0, 24, 1, 1, true) MUX_CFG(DM644X, LFLDEN, 0, 25, 1, 1, false) +#endif }; +/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ +static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = { + [IRQ_VDINT0] = 2, + [IRQ_VDINT1] = 6, + [IRQ_VDINT2] = 6, + [IRQ_HISTINT] = 6, + [IRQ_H3AINT] = 6, + [IRQ_PRVUINT] = 6, + [IRQ_RSZINT] = 6, + [7] = 7, + [IRQ_VENCINT] = 6, + [IRQ_ASQINT] = 6, + [IRQ_IMXINT] = 6, + [IRQ_VLCDINT] = 6, + [IRQ_USBINT] = 4, + [IRQ_EMACINT] = 4, + [14] = 7, + [15] = 7, + [IRQ_CCINT0] = 5, /* dma */ + [IRQ_CCERRINT] = 5, /* dma */ + [IRQ_TCERRINT0] = 5, /* dma */ + [IRQ_TCERRINT] = 5, /* dma */ + [IRQ_PSCIN] = 7, + [21] = 7, + [IRQ_IDE] = 4, + [23] = 7, + [IRQ_MBXINT] = 7, + [IRQ_MBRINT] = 7, + [IRQ_MMCINT] = 7, + [IRQ_SDIOINT] = 7, + [28] = 7, + [IRQ_DDRINT] = 7, + [IRQ_AEMIFINT] = 7, + [IRQ_VLQINT] = 4, + [IRQ_TINT0_TINT12] = 2, /* clockevent */ + [IRQ_TINT0_TINT34] = 2, /* clocksource */ + [IRQ_TINT1_TINT12] = 7, /* DSP timer */ + [IRQ_TINT1_TINT34] = 7, /* system tick */ + [IRQ_PWMINT0] = 7, + [IRQ_PWMINT1] = 7, + [IRQ_PWMINT2] = 7, + [IRQ_I2C] = 3, + [IRQ_UARTINT0] = 3, + [IRQ_UARTINT1] = 3, + [IRQ_UARTINT2] = 3, + [IRQ_SPINT0] = 3, + [IRQ_SPINT1] = 3, + [45] = 7, + [IRQ_DSP2ARM0] = 4, + [IRQ_DSP2ARM1] = 4, + [IRQ_GPIO0] = 7, + [IRQ_GPIO1] = 7, + [IRQ_GPIO2] = 7, + [IRQ_GPIO3] = 7, + [IRQ_GPIO4] = 7, + [IRQ_GPIO5] = 7, + [IRQ_GPIO6] = 7, + [IRQ_GPIO7] = 7, + [IRQ_GPIOBNK0] = 7, + [IRQ_GPIOBNK1] = 7, + [IRQ_GPIOBNK2] = 7, + [IRQ_GPIOBNK3] = 7, + [IRQ_GPIOBNK4] = 7, + [IRQ_COMMTX] = 7, + [IRQ_COMMRX] = 7, + [IRQ_EMUINT] = 7, +}; /*----------------------------------------------------------------------*/ @@ -444,10 +531,118 @@ static struct platform_device dm644x_edma_device = { }; /*----------------------------------------------------------------------*/ + +static struct map_desc dm644x_io_desc[] = { + { + .virtual = IO_VIRT, + .pfn = __phys_to_pfn(IO_PHYS), + .length = IO_SIZE, + .type = MT_DEVICE + }, + { + .virtual = SRAM_VIRT, + .pfn = __phys_to_pfn(0x00008000), + .length = SZ_16K, + /* MT_MEMORY_NONCACHED requires supersection alignment */ + .type = MT_DEVICE, + }, +}; + +/* Contents of JTAG ID register used to identify exact cpu type */ +static struct davinci_id dm644x_ids[] = { + { + .variant = 0x0, + .part_no = 0xb700, + .manufacturer = 0x017, + .cpu_id = DAVINCI_CPU_ID_DM6446, + .name = "dm6446", + }, +}; + +static void __iomem *dm644x_psc_bases[] = { + IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE), +}; + +/* + * T0_BOT: Timer 0, bottom: clockevent source for hrtimers + * T0_TOP: Timer 0, top : clocksource for generic timekeeping + * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code) + * T1_TOP: Timer 1, top : <unused> + */ +struct davinci_timer_info dm644x_timer_info = { + .timers = davinci_timer_instance, + .clockevent_id = T0_BOT, + .clocksource_id = T0_TOP, +}; + +static struct plat_serial8250_port dm644x_serial_platform_data[] = { + { + .mapbase = DAVINCI_UART0_BASE, + .irq = IRQ_UARTINT0, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | + UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 2, + }, + { + .mapbase = DAVINCI_UART1_BASE, + .irq = IRQ_UARTINT1, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | + UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 2, + }, + { + .mapbase = DAVINCI_UART2_BASE, + .irq = IRQ_UARTINT2, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | + UPF_IOREMAP, + .iotype = UPIO_MEM, + .regshift = 2, + }, + { + .flags = 0 + }, +}; + +static struct platform_device dm644x_serial_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = dm644x_serial_platform_data, + }, +}; + +static struct davinci_soc_info davinci_soc_info_dm644x = { + .io_desc = dm644x_io_desc, + .io_desc_num = ARRAY_SIZE(dm644x_io_desc), + .jtag_id_base = IO_ADDRESS(0x01c40028), + .ids = dm644x_ids, + .ids_num = ARRAY_SIZE(dm644x_ids), + .cpu_clks = dm644x_clks, + .psc_bases = dm644x_psc_bases, + .psc_bases_num = ARRAY_SIZE(dm644x_psc_bases), + .pinmux_base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE), + .pinmux_pins = dm644x_pins, + .pinmux_pins_num = ARRAY_SIZE(dm644x_pins), + .intc_base = IO_ADDRESS(DAVINCI_ARM_INTC_BASE), + .intc_type = DAVINCI_INTC_TYPE_AINTC, + .intc_irq_prios = dm644x_default_priorities, + .intc_irq_num = DAVINCI_N_AINTC_IRQ, + .timer_info = &dm644x_timer_info, + .wdt_base = IO_ADDRESS(DAVINCI_WDOG_BASE), + .gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE), + .gpio_num = 71, + .gpio_irq = IRQ_GPIOBNK0, + .serial_dev = &dm644x_serial_device, + .emac_pdata = &dm644x_emac_pdata, + .sram_dma = 0x00008000, + .sram_len = SZ_16K, +}; + void __init dm644x_init(void) { - davinci_clk_init(dm644x_clks); - davinci_mux_register(dm644x_pins, ARRAY_SIZE(dm644x_pins)); + davinci_common_init(&davinci_soc_info_dm644x); } static int __init dm644x_init_devices(void) @@ -456,6 +651,7 @@ static int __init dm644x_init_devices(void) return 0; platform_device_register(&dm644x_edma_device); + platform_device_register(&dm644x_emac_device); return 0; } postcore_initcall(dm644x_init_devices); |