1 /* 2 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ 3 * 4 * Modified from mach-omap/omap2/board-generic.c 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 #include <linux/io.h> 11 #include <linux/of_irq.h> 12 #include <linux/of_platform.h> 13 #include <linux/irqdomain.h> 14 15 #include <asm/mach/arch.h> 16 17 #include <mach/common.h> 18 #include <mach/cp_intc.h> 19 #include <mach/da8xx.h> 20 21 #define DA8XX_NUM_UARTS 3 22 23 static void __init da8xx_uart_clk_enable(void) 24 { 25 int i; 26 for (i = 0; i < DA8XX_NUM_UARTS; i++) 27 davinci_serial_setup_clk(i, NULL); 28 } 29 30 static struct of_device_id da8xx_irq_match[] __initdata = { 31 { .compatible = "ti,cp-intc", .data = cp_intc_of_init, }, 32 { } 33 }; 34 35 static void __init da8xx_init_irq(void) 36 { 37 of_irq_init(da8xx_irq_match); 38 } 39 40 static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = { 41 OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL), 42 OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "watchdog", NULL), 43 OF_DEV_AUXDATA("ti,da830-mmc", 0x01c40000, "da830-mmc.0", NULL), 44 OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f00000, "ehrpwm", NULL), 45 OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f02000, "ehrpwm", NULL), 46 OF_DEV_AUXDATA("ti,da850-ecap", 0x01f06000, "ecap", NULL), 47 OF_DEV_AUXDATA("ti,da850-ecap", 0x01f07000, "ecap", NULL), 48 OF_DEV_AUXDATA("ti,da850-ecap", 0x01f08000, "ecap", NULL), 49 OF_DEV_AUXDATA("ti,da830-spi", 0x01f0e000, "spi_davinci.1", NULL), 50 {} 51 }; 52 53 #ifdef CONFIG_ARCH_DAVINCI_DA850 54 55 static void __init da850_init_machine(void) 56 { 57 of_platform_populate(NULL, of_default_bus_match_table, 58 da850_auxdata_lookup, NULL); 59 60 da8xx_uart_clk_enable(); 61 } 62 63 static const char *da850_boards_compat[] __initdata = { 64 "enbw,cmc", 65 "ti,da850-evm", 66 "ti,da850", 67 NULL, 68 }; 69 70 DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x") 71 .map_io = da850_init, 72 .init_irq = da8xx_init_irq, 73 .init_time = davinci_timer_init, 74 .init_machine = da850_init_machine, 75 .dt_compat = da850_boards_compat, 76 .init_late = davinci_init_late, 77 .restart = da8xx_restart, 78 MACHINE_END 79 80 #endif 81