diff options
Diffstat (limited to 'arch/arm/mach-ux500/board-mop500.c')
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500.c | 112 |
1 files changed, 52 insertions, 60 deletions
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index aa5afbcc90f9..bb8d7b771817 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -17,36 +17,14 @@ #include <linux/amba/pl022.h> #include <linux/spi/spi.h> -#include <asm/localtimer.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <plat/mtu.h> +#include <plat/i2c.h> #include <mach/hardware.h> #include <mach/setup.h> - -#define __MEM_4K_RESOURCE(x) \ - .res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM} - -/* These are active devices on this board */ -static struct amba_device uart0_device = { - .dev = { .init_name = "uart0" }, - __MEM_4K_RESOURCE(U8500_UART0_BASE), - .irq = {IRQ_UART0, NO_IRQ}, -}; - -static struct amba_device uart1_device = { - .dev = { .init_name = "uart1" }, - __MEM_4K_RESOURCE(U8500_UART1_BASE), - .irq = {IRQ_UART1, NO_IRQ}, -}; - -static struct amba_device uart2_device = { - .dev = { .init_name = "uart2" }, - __MEM_4K_RESOURCE(U8500_UART2_BASE), - .irq = {IRQ_UART2, NO_IRQ}, -}; +#include <mach/devices.h> static void ab4500_spi_cs_control(u32 command) { @@ -72,7 +50,7 @@ struct pl022_config_chip ab4500_chip_info = { static struct spi_board_info u8500_spi_devices[] = { { - .modalias = "ab4500", + .modalias = "ab8500", .controller_data = &ab4500_chip_info, .max_speed_hz = 12000000, .bus_num = 0, @@ -92,53 +70,67 @@ static struct pl022_ssp_controller ssp0_platform_data = { .num_chipselect = 5, }; -static struct amba_device pl022_device = { - .dev = { - .coherent_dma_mask = ~0, - .init_name = "pl022", - .platform_data = &ssp0_platform_data, - }, - .res = { - .start = U8500_SSP0_BASE, - .end = U8500_SSP0_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - .irq = {IRQ_SSP0, NO_IRQ }, - /* ST-Ericsson modified id */ - .periphid = SSP_PER_ID, -}; +#define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \ +static struct nmk_i2c_controller u8500_i2c##id##_data = { \ + /* \ + * slave data setup time, which is \ + * 250 ns,100ns,10ns which is 14,6,2 \ + * respectively for a 48 Mhz \ + * i2c clock \ + */ \ + .slsu = _slsu, \ + /* Tx FIFO threshold */ \ + .tft = _tft, \ + /* Rx FIFO threshold */ \ + .rft = _rft, \ + /* std. mode operation */ \ + .clk_freq = clk, \ + .sm = _sm, \ +} + +/* + * The board uses 4 i2c controllers, initialize all of + * them with slave data setup time of 250 ns, + * Tx & Rx FIFO threshold values as 1 and standard + * mode of operation + */ +U8500_I2C_CONTROLLER(0, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); +U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); +U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); +U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); static struct amba_device *amba_devs[] __initdata = { - &uart0_device, - &uart1_device, - &uart2_device, - &pl022_device, + &ux500_uart0_device, + &ux500_uart1_device, + &ux500_uart2_device, + &u8500_ssp0_device, }; -static void __init u8500_timer_init(void) -{ -#ifdef CONFIG_LOCAL_TIMERS - /* Setup the local timer base */ - twd_base = __io_address(U8500_TWD_BASE); -#endif - /* Setup the MTU base */ - mtu_base = __io_address(U8500_MTU0_BASE); - - nmdk_timer_init(); -} - -static struct sys_timer u8500_timer = { - .init = u8500_timer_init, +/* add any platform devices here - TODO */ +static struct platform_device *platform_devs[] __initdata = { + &u8500_i2c0_device, + &ux500_i2c1_device, + &ux500_i2c2_device, + &ux500_i2c3_device, }; static void __init u8500_init_machine(void) { int i; + u8500_i2c0_device.dev.platform_data = &u8500_i2c0_data; + ux500_i2c1_device.dev.platform_data = &u8500_i2c1_data; + ux500_i2c2_device.dev.platform_data = &u8500_i2c2_data; + ux500_i2c3_device.dev.platform_data = &u8500_i2c3_data; + + u8500_ssp0_device.dev.platform_data = &ssp0_platform_data; + /* Register the active AMBA devices on this board */ for (i = 0; i < ARRAY_SIZE(amba_devs); i++) amba_device_register(amba_devs[i], &iomem_resource); + platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); + spi_register_board_info(u8500_spi_devices, ARRAY_SIZE(u8500_spi_devices)); @@ -151,8 +143,8 @@ MACHINE_START(U8500, "ST-Ericsson MOP500 platform") .io_pg_offst = (IO_ADDRESS(U8500_UART2_BASE) >> 18) & 0xfffc, .boot_params = 0x100, .map_io = u8500_map_io, - .init_irq = u8500_init_irq, + .init_irq = ux500_init_irq, /* we re-use nomadik timer here */ - .timer = &u8500_timer, + .timer = &ux500_timer, .init_machine = u8500_init_machine, MACHINE_END |