/arch/sh/kernel/cpu/sh5/setup-sh5.c

  1/*
  2 * SH5-101/SH5-103 CPU Setup
  3 *
  4 *  Copyright (C) 2009  Paul Mundt
  5 *
  6 * This file is subject to the terms and conditions of the GNU General Public
  7 * License.  See the file "COPYING" in the main directory of this archive
  8 * for more details.
  9 */
 10#include <linux/platform_device.h>
 11#include <linux/init.h>
 12#include <linux/serial.h>
 13#include <linux/serial_sci.h>
 14#include <linux/io.h>
 15#include <linux/mm.h>
 16#include <linux/sh_timer.h>
 17#include <asm/addrspace.h>
 18
 19static struct plat_sci_port scif0_platform_data = {
 20	.mapbase	= PHYS_PERIPHERAL_BLOCK + 0x01030000,
 21	.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
 22	.type		= PORT_SCIF,
 23	.irqs		= { 39, 40, 42, 0 },
 24};
 25
 26static struct platform_device scif0_device = {
 27	.name		= "sh-sci",
 28	.id		= 0,
 29	.dev		= {
 30		.platform_data	= &scif0_platform_data,
 31	},
 32};
 33
 34static struct resource rtc_resources[] = {
 35	[0] = {
 36		.start	= PHYS_PERIPHERAL_BLOCK + 0x01040000,
 37		.end	= PHYS_PERIPHERAL_BLOCK + 0x01040000 + 0x58 - 1,
 38		.flags	= IORESOURCE_IO,
 39	},
 40	[1] = {
 41		/* Period IRQ */
 42		.start	= IRQ_PRI,
 43		.flags	= IORESOURCE_IRQ,
 44	},
 45	[2] = {
 46		/* Carry IRQ */
 47		.start	= IRQ_CUI,
 48		.flags	= IORESOURCE_IRQ,
 49	},
 50	[3] = {
 51		/* Alarm IRQ */
 52		.start	= IRQ_ATI,
 53		.flags	= IORESOURCE_IRQ,
 54	},
 55};
 56
 57static struct platform_device rtc_device = {
 58	.name		= "sh-rtc",
 59	.id		= -1,
 60	.num_resources	= ARRAY_SIZE(rtc_resources),
 61	.resource	= rtc_resources,
 62};
 63
 64#define	TMU_BLOCK_OFF	0x01020000
 65#define TMU_BASE	PHYS_PERIPHERAL_BLOCK + TMU_BLOCK_OFF
 66#define TMU0_BASE	(TMU_BASE + 0x8 + (0xc * 0x0))
 67#define TMU1_BASE	(TMU_BASE + 0x8 + (0xc * 0x1))
 68#define TMU2_BASE	(TMU_BASE + 0x8 + (0xc * 0x2))
 69
 70static struct sh_timer_config tmu0_platform_data = {
 71	.channel_offset = 0x04,
 72	.timer_bit = 0,
 73	.clockevent_rating = 200,
 74};
 75
 76static struct resource tmu0_resources[] = {
 77	[0] = {
 78		.start	= TMU0_BASE,
 79		.end	= TMU0_BASE + 0xc - 1,
 80		.flags	= IORESOURCE_MEM,
 81	},
 82	[1] = {
 83		.start	= IRQ_TUNI0,
 84		.flags	= IORESOURCE_IRQ,
 85	},
 86};
 87
 88static struct platform_device tmu0_device = {
 89	.name		= "sh_tmu",
 90	.id		= 0,
 91	.dev = {
 92		.platform_data	= &tmu0_platform_data,
 93	},
 94	.resource	= tmu0_resources,
 95	.num_resources	= ARRAY_SIZE(tmu0_resources),
 96};
 97
 98static struct sh_timer_config tmu1_platform_data = {
 99	.channel_offset = 0x10,
100	.timer_bit = 1,
101	.clocksource_rating = 200,
102};
103
104static struct resource tmu1_resources[] = {
105	[0] = {
106		.start	= TMU1_BASE,
107		.end	= TMU1_BASE + 0xc - 1,
108		.flags	= IORESOURCE_MEM,
109	},
110	[1] = {
111		.start	= IRQ_TUNI1,
112		.flags	= IORESOURCE_IRQ,
113	},
114};
115
116static struct platform_device tmu1_device = {
117	.name		= "sh_tmu",
118	.id		= 1,
119	.dev = {
120		.platform_data	= &tmu1_platform_data,
121	},
122	.resource	= tmu1_resources,
123	.num_resources	= ARRAY_SIZE(tmu1_resources),
124};
125
126static struct sh_timer_config tmu2_platform_data = {
127	.channel_offset = 0x1c,
128	.timer_bit = 2,
129};
130
131static struct resource tmu2_resources[] = {
132	[0] = {
133		.start	= TMU2_BASE,
134		.end	= TMU2_BASE + 0xc - 1,
135		.flags	= IORESOURCE_MEM,
136	},
137	[1] = {
138		.start	= IRQ_TUNI2,
139		.flags	= IORESOURCE_IRQ,
140	},
141};
142
143static struct platform_device tmu2_device = {
144	.name		= "sh_tmu",
145	.id		= 2,
146	.dev = {
147		.platform_data	= &tmu2_platform_data,
148	},
149	.resource	= tmu2_resources,
150	.num_resources	= ARRAY_SIZE(tmu2_resources),
151};
152
153static struct platform_device *sh5_early_devices[] __initdata = {
154	&scif0_device,
155	&tmu0_device,
156	&tmu1_device,
157	&tmu2_device,
158};
159
160static struct platform_device *sh5_devices[] __initdata = {
161	&rtc_device,
162};
163
164static int __init sh5_devices_setup(void)
165{
166	int ret;
167
168	ret = platform_add_devices(sh5_early_devices,
169				   ARRAY_SIZE(sh5_early_devices));
170	if (unlikely(ret != 0))
171		return ret;
172
173	return platform_add_devices(sh5_devices,
174				    ARRAY_SIZE(sh5_devices));
175}
176arch_initcall(sh5_devices_setup);
177
178void __init plat_early_device_setup(void)
179{
180	early_platform_add_devices(sh5_early_devices,
181				   ARRAY_SIZE(sh5_early_devices));
182}