/* * linux/arch/arm/mach-w90x900/w90p910.c * * Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks * * Copyright (c) 2008 Nuvoton technology corporation. * * Wan ZongShun <mcuos.com@gmail.com> * * W90P910 cpu support * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation;version 2 of the License. * */ #include <linux/kernel.h> #include <linux/types.h> #include <linux/interrupt.h> #include <linux/list.h> #include <linux/timer.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/io.h> #include <linux/serial_8250.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> #include <asm/irq.h> #include <mach/hardware.h> #include <mach/regs-serial.h> #include "cpu.h" #include "clock.h" /* Initial IO mappings */ static struct map_desc w90p910_iodesc[] __initdata = { IODESC_ENT(IRQ), IODESC_ENT(GCR), IODESC_ENT(UART), IODESC_ENT(TIMER), IODESC_ENT(EBI), IODESC_ENT(USBEHCIHOST), IODESC_ENT(USBOHCIHOST), IODESC_ENT(ADC), IODESC_ENT(RTC), IODESC_ENT(KPI), IODESC_ENT(USBDEV), /*IODESC_ENT(LCD),*/ }; /* Initial clock declarations. */ static DEFINE_CLK(lcd, 0); static DEFINE_CLK(audio, 1); static DEFINE_CLK(fmi, 4); static DEFINE_CLK(dmac, 5); static DEFINE_CLK(atapi, 6); static DEFINE_CLK(emc, 7); static DEFINE_CLK(usbd, 8); static DEFINE_CLK(usbh, 9); static DEFINE_CLK(g2d, 10);; static DEFINE_CLK(pwm, 18); static DEFINE_CLK(ps2, 24); static DEFINE_CLK(kpi, 25); static DEFINE_CLK(wdt, 26); static DEFINE_CLK(gdma, 27); static DEFINE_CLK(adc, 28); static DEFINE_CLK(usi, 29); static struct clk_lookup w90p910_clkregs[] = { DEF_CLKLOOK(&clk_lcd, "w90p910-lcd", NULL), DEF_CLKLOOK(&clk_audio, "w90p910-audio", NULL), DEF_CLKLOOK(&clk_fmi, "w90p910-fmi", NULL), DEF_CLKLOOK(&clk_dmac, "w90p910-dmac", NULL), DEF_CLKLOOK(&clk_atapi, "w90p910-atapi", NULL), DEF_CLKLOOK(&clk_emc, "w90p910-emc", NULL), DEF_CLKLOOK(&clk_usbd, "w90p910-usbd", NULL), DEF_CLKLOOK(&clk_usbh, "w90p910-usbh", NULL), DEF_CLKLOOK(&clk_g2d, "w90p910-g2d", NULL), DEF_CLKLOOK(&clk_pwm, "w90p910-pwm", NULL), DEF_CLKLOOK(&clk_ps2, "w90p910-ps2", NULL), DEF_CLKLOOK(&clk_kpi, "w90p910-kpi", NULL), DEF_CLKLOOK(&clk_wdt, "w90p910-wdt", NULL), DEF_CLKLOOK(&clk_gdma, "w90p910-gdma", NULL), DEF_CLKLOOK(&clk_adc, "w90p910-adc", NULL), DEF_CLKLOOK(&clk_usi, "w90p910-usi", NULL), }; /* Initial serial platform data */ struct plat_serial8250_port w90p910_uart_data[] = { W90X900_8250PORT(UART0), }; struct platform_device w90p910_serial_device = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = w90p910_uart_data, }, }; /*Init W90P910 evb io*/ void __init w90p910_map_io(struct map_desc *mach_desc, int mach_size) { unsigned long idcode = 0x0; iotable_init(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc)); idcode = __raw_readl(W90X900PDID); if (idcode != W90P910_CPUID) printk(KERN_ERR "CPU type 0x%08lx is not W90P910\n", idcode); } /*Init W90P910 clock*/ void __init w90p910_init_clocks(void) { clks_register(w90p910_clkregs, ARRAY_SIZE(w90p910_clkregs)); } static int __init w90p910_init_cpu(void) { return 0; } static int __init w90x900_arch_init(void) { return w90p910_init_cpu(); } arch_initcall(w90x900_arch_init);