diff options
Diffstat (limited to 'arch/arm/mach-davinci/board-da850-evm.c')
-rw-r--r-- | arch/arm/mach-davinci/board-da850-evm.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c new file mode 100644 index 000000000000..eaa1fc1bc5f5 --- /dev/null +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -0,0 +1,102 @@ +/* + * TI DA850/OMAP-L138 EVM board + * + * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ + * + * Derived from: arch/arm/mach-davinci/board-da830-evm.c + * Original Copyrights follow: + * + * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/console.h> +#include <linux/i2c.h> +#include <linux/i2c/at24.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/cp_intc.h> +#include <mach/da8xx.h> + +static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = { + .bus_freq = 100, /* kHz */ + .bus_delay = 0, /* usec */ +}; + +static struct davinci_uart_config da850_evm_uart_config __initdata = { + .enabled_uarts = 0x7, +}; + +static __init void da850_evm_init(void) +{ + int ret; + + ret = da8xx_register_edma(); + if (ret) + pr_warning("da850_evm_init: edma registration failed: %d\n", + ret); + + ret = da8xx_pinmux_setup(da850_i2c0_pins); + if (ret) + pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n", + ret); + + ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata); + if (ret) + pr_warning("da850_evm_init: i2c0 registration failed: %d\n", + ret); + + ret = da8xx_register_watchdog(); + if (ret) + pr_warning("da830_evm_init: watchdog registration failed: %d\n", + ret); + + davinci_serial_init(&da850_evm_uart_config); + + /* + * shut down uart 0 and 1; they are not used on the board and + * accessing them causes endless "too much work in irq53" messages + * with arago fs + */ + __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30); + __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30); +} + +#ifdef CONFIG_SERIAL_8250_CONSOLE +static int __init da850_evm_console_init(void) +{ + return add_preferred_console("ttyS", 2, "115200"); +} +console_initcall(da850_evm_console_init); +#endif + +static __init void da850_evm_irq_init(void) +{ + struct davinci_soc_info *soc_info = &davinci_soc_info; + + cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA850_N_CP_INTC_IRQ, + soc_info->intc_irq_prios); +} + +static void __init da850_evm_map_io(void) +{ + da850_init(); +} + +MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM") + .phys_io = IO_PHYS, + .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, + .boot_params = (DA8XX_DDR_BASE + 0x100), + .map_io = da850_evm_map_io, + .init_irq = da850_evm_irq_init, + .timer = &davinci_timer, + .init_machine = da850_evm_init, +MACHINE_END |