2 * Copyright (C) 2008-2009 ST-Ericsson
4 * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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.
11 #include <linux/types.h>
12 #include <linux/init.h>
13 #include <linux/device.h>
14 #include <linux/amba/bus.h>
15 #include <linux/irq.h>
16 #include <linux/gpio.h>
17 #include <linux/platform_device.h>
20 #include <asm/mach/map.h>
21 #include <mach/hardware.h>
22 #include <mach/setup.h>
23 #include <mach/devices.h>
25 #include "devices-db8500.h"
27 static struct platform_device
*platform_devs
[] __initdata
= {
31 /* minimum static i/o mapping required to boot U8500 platforms */
32 static struct map_desc u8500_uart_io_desc
[] __initdata
= {
33 __IO_DEV_DESC(U8500_UART0_BASE
, SZ_4K
),
34 __IO_DEV_DESC(U8500_UART2_BASE
, SZ_4K
),
37 static struct map_desc u8500_io_desc
[] __initdata
= {
38 __IO_DEV_DESC(U8500_GIC_CPU_BASE
, SZ_4K
),
39 __IO_DEV_DESC(U8500_GIC_DIST_BASE
, SZ_4K
),
40 __IO_DEV_DESC(U8500_L2CC_BASE
, SZ_4K
),
41 __IO_DEV_DESC(U8500_TWD_BASE
, SZ_4K
),
42 __IO_DEV_DESC(U8500_MTU0_BASE
, SZ_4K
),
43 __IO_DEV_DESC(U8500_SCU_BASE
, SZ_4K
),
44 __IO_DEV_DESC(U8500_BACKUPRAM0_BASE
, SZ_8K
),
46 __IO_DEV_DESC(U8500_CLKRST1_BASE
, SZ_4K
),
47 __IO_DEV_DESC(U8500_CLKRST2_BASE
, SZ_4K
),
48 __IO_DEV_DESC(U8500_CLKRST3_BASE
, SZ_4K
),
49 __IO_DEV_DESC(U8500_CLKRST5_BASE
, SZ_4K
),
50 __IO_DEV_DESC(U8500_CLKRST6_BASE
, SZ_4K
),
52 __IO_DEV_DESC(U8500_PRCMU_BASE
, SZ_4K
),
53 __IO_DEV_DESC(U8500_GPIO0_BASE
, SZ_4K
),
54 __IO_DEV_DESC(U8500_GPIO1_BASE
, SZ_4K
),
55 __IO_DEV_DESC(U8500_GPIO2_BASE
, SZ_4K
),
56 __IO_DEV_DESC(U8500_GPIO3_BASE
, SZ_4K
),
59 static struct map_desc u8500_ed_io_desc
[] __initdata
= {
60 __IO_DEV_DESC(U8500_MTU0_BASE_ED
, SZ_4K
),
61 __IO_DEV_DESC(U8500_CLKRST7_BASE_ED
, SZ_8K
),
64 static struct map_desc u8500_v1_io_desc
[] __initdata
= {
65 __IO_DEV_DESC(U8500_MTU0_BASE
, SZ_4K
),
66 __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE_V1
, SZ_4K
),
69 static struct map_desc u8500_v2_io_desc
[] __initdata
= {
70 __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE
, SZ_4K
),
73 void __init
u8500_map_io(void)
76 * Map the UARTs early so that the DEBUG_LL stuff continues to work.
78 iotable_init(u8500_uart_io_desc
, ARRAY_SIZE(u8500_uart_io_desc
));
82 iotable_init(u8500_io_desc
, ARRAY_SIZE(u8500_io_desc
));
85 iotable_init(u8500_ed_io_desc
, ARRAY_SIZE(u8500_ed_io_desc
));
86 else if (cpu_is_u8500v1())
87 iotable_init(u8500_v1_io_desc
, ARRAY_SIZE(u8500_v1_io_desc
));
88 else if (cpu_is_u8500v2())
89 iotable_init(u8500_v2_io_desc
, ARRAY_SIZE(u8500_v2_io_desc
));
92 static resource_size_t __initdata db8500_gpio_base
[] = {
100 U8500_GPIOBANK7_BASE
,
101 U8500_GPIOBANK8_BASE
,
104 static void __init
db8500_add_gpios(void)
106 struct nmk_gpio_platform_data pdata
= {
107 /* No custom data yet */
110 dbx500_add_gpios(ARRAY_AND_SIZE(db8500_gpio_base
),
111 IRQ_DB8500_GPIO0
, &pdata
);
115 * This function is called from the board init
117 void __init
u8500_init_devices(void)
119 if (cpu_is_u8500ed())
120 dma40_u8500ed_fixup();
125 platform_device_register_simple("cpufreq-u8500", -1, NULL
, 0);
126 platform_add_devices(platform_devs
, ARRAY_SIZE(platform_devs
));