[deliverable/linux.git] / arch / arm / mach-w90x900 / w90p910.c

/*
 * 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);
Commit	Line	Data
7ec80ddf	1	/*
	2	* linux/arch/arm/mach-w90x900/w90p910.c
	3	*
	4	* Based on linux/arch/arm/plat-s3c24xx/s3c244x.c by Ben Dooks
	5	*
604f766f	6	* Copyright (c) 2008 Nuvoton technology corporation.
7ec80ddf	7	*
	8	* Wan ZongShun <mcuos.com@gmail.com>
	9	*
	10	* W90P910 cpu support
	11	*
	12	* This program is free software; you can redistribute it and/or modify
	13	* it under the terms of the GNU General Public License as published by
604f766f	14	* the Free Software Foundation;version 2 of the License.
7ec80ddf	15	*
	16	*/
	17
	18	#include <linux/kernel.h>
	19	#include <linux/types.h>
	20	#include <linux/interrupt.h>
	21	#include <linux/list.h>
	22	#include <linux/timer.h>
	23	#include <linux/init.h>
	24	#include <linux/platform_device.h>
	25	#include <linux/io.h>
17198f2d	26	#include <linux/serial_8250.h>
7ec80ddf	27
	28	#include <asm/mach/arch.h>
	29	#include <asm/mach/map.h>
	30	#include <asm/mach/irq.h>
	31	#include <asm/irq.h>
	32
	33	#include <mach/hardware.h>
	34	#include <mach/regs-serial.h>
	35
	36	#include "cpu.h"
0e4a34bb	37	#include "clock.h"
7ec80ddf	38
7ec80ddf	39	/* Initial IO mappings */
	40
	41	static struct map_desc w90p910_iodesc[] __initdata = {
	42	IODESC_ENT(IRQ),
	43	IODESC_ENT(GCR),
	44	IODESC_ENT(UART),
	45	IODESC_ENT(TIMER),
	46	IODESC_ENT(EBI),
604f766f	47	IODESC_ENT(USBEHCIHOST),
	48	IODESC_ENT(USBOHCIHOST),
	49	IODESC_ENT(ADC),
0351c506	50	IODESC_ENT(RTC),
	51	IODESC_ENT(KPI),
	52	IODESC_ENT(USBDEV),
7ec80ddf	53	/IODESC_ENT(LCD),/
	54	};
	55
0e4a34bb	56	/* Initial clock declarations. */
	57	static DEFINE_CLK(lcd, 0);
	58	static DEFINE_CLK(audio, 1);
	59	static DEFINE_CLK(fmi, 4);
	60	static DEFINE_CLK(dmac, 5);
	61	static DEFINE_CLK(atapi, 6);
	62	static DEFINE_CLK(emc, 7);
	63	static DEFINE_CLK(usbd, 8);
	64	static DEFINE_CLK(usbh, 9);
	65	static DEFINE_CLK(g2d, 10);;
	66	static DEFINE_CLK(pwm, 18);
	67	static DEFINE_CLK(ps2, 24);
	68	static DEFINE_CLK(kpi, 25);
	69	static DEFINE_CLK(wdt, 26);
	70	static DEFINE_CLK(gdma, 27);
	71	static DEFINE_CLK(adc, 28);
	72	static DEFINE_CLK(usi, 29);
	73
	74	static struct clk_lookup w90p910_clkregs[] = {
	75	DEF_CLKLOOK(&clk_lcd, "w90p910-lcd", NULL),
	76	DEF_CLKLOOK(&clk_audio, "w90p910-audio", NULL),
	77	DEF_CLKLOOK(&clk_fmi, "w90p910-fmi", NULL),
	78	DEF_CLKLOOK(&clk_dmac, "w90p910-dmac", NULL),
	79	DEF_CLKLOOK(&clk_atapi, "w90p910-atapi", NULL),
	80	DEF_CLKLOOK(&clk_emc, "w90p910-emc", NULL),
	81	DEF_CLKLOOK(&clk_usbd, "w90p910-usbd", NULL),
	82	DEF_CLKLOOK(&clk_usbh, "w90p910-usbh", NULL),
	83	DEF_CLKLOOK(&clk_g2d, "w90p910-g2d", NULL),
	84	DEF_CLKLOOK(&clk_pwm, "w90p910-pwm", NULL),
	85	DEF_CLKLOOK(&clk_ps2, "w90p910-ps2", NULL),
	86	DEF_CLKLOOK(&clk_kpi, "w90p910-kpi", NULL),
	87	DEF_CLKLOOK(&clk_wdt, "w90p910-wdt", NULL),
	88	DEF_CLKLOOK(&clk_gdma, "w90p910-gdma", NULL),
	89	DEF_CLKLOOK(&clk_adc, "w90p910-adc", NULL),
	90	DEF_CLKLOOK(&clk_usi, "w90p910-usi", NULL),
	91	};
	92
17198f2d	93	/* Initial serial platform data */
7ec80ddf	94
17198f2d	95	struct plat_serial8250_port w90p910_uart_data[] = {
	96	W90X900_8250PORT(UART0),
	97	};
7ec80ddf	98
17198f2d	99	struct platform_device w90p910_serial_device = {
	100	.name = "serial8250",
	101	.id = PLAT8250_DEV_PLATFORM,
	102	.dev = {
	103	.platform_data = w90p910_uart_data,
	104	},
	105	};
7ec80ddf	106
	107	/Init W90P910 evb io/
	108
	109	void __init w90p910_map_io(struct map_desc *mach_desc, int mach_size)
	110	{
	111	unsigned long idcode = 0x0;
	112
	113	iotable_init(w90p910_iodesc, ARRAY_SIZE(w90p910_iodesc));
	114
	115	idcode = __raw_readl(W90X900PDID);
	116	if (idcode != W90P910_CPUID)
	117	printk(KERN_ERR "CPU type 0x%08lx is not W90P910\n", idcode);
	118	}
	119
	120	/Init W90P910 clock/
	121
0e4a34bb	122	void __init w90p910_init_clocks(void)
7ec80ddf	123	{
0e4a34bb	124	clks_register(w90p910_clkregs, ARRAY_SIZE(w90p910_clkregs));
7ec80ddf	125	}
	126
	127	static int __init w90p910_init_cpu(void)
	128	{
	129	return 0;
	130	}
	131
	132	static int __init w90x900_arch_init(void)
	133	{
17198f2d	134	return w90p910_init_cpu();
7ec80ddf	135	}
7ec80ddf	136	arch_initcall(w90x900_arch_init);