ARM: SAMSUNG: Modified to change of bus width and host caps
[deliverable/linux.git] / arch / arm / mach-s5pv310 / mach-smdkv310.c
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1/* linux/arch/arm/mach-s5pv310/mach-smdkv310.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
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
11#include <linux/serial_core.h>
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12#include <linux/gpio.h>
13#include <linux/mmc/host.h>
14#include <linux/platform_device.h>
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15
16#include <asm/mach/arch.h>
17#include <asm/mach-types.h>
18#include <asm/hardware/cache-l2x0.h>
19
20#include <plat/regs-serial.h>
21#include <plat/s5pv310.h>
22#include <plat/cpu.h>
cdff6e6f 23#include <plat/devs.h>
2b11148a 24#include <plat/sdhci.h>
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25
26#include <mach/map.h>
27
28/* Following are default values for UCON, ULCON and UFCON UART registers */
29#define SMDKV310_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
30 S3C2410_UCON_RXILEVEL | \
31 S3C2410_UCON_TXIRQMODE | \
32 S3C2410_UCON_RXIRQMODE | \
33 S3C2410_UCON_RXFIFO_TOI | \
34 S3C2443_UCON_RXERR_IRQEN)
35
36#define SMDKV310_ULCON_DEFAULT S3C2410_LCON_CS8
37
38#define SMDKV310_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
39 S5PV210_UFCON_TXTRIG4 | \
40 S5PV210_UFCON_RXTRIG4)
41
42static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
43 [0] = {
44 .hwport = 0,
45 .flags = 0,
46 .ucon = SMDKV310_UCON_DEFAULT,
47 .ulcon = SMDKV310_ULCON_DEFAULT,
48 .ufcon = SMDKV310_UFCON_DEFAULT,
49 },
50 [1] = {
51 .hwport = 1,
52 .flags = 0,
53 .ucon = SMDKV310_UCON_DEFAULT,
54 .ulcon = SMDKV310_ULCON_DEFAULT,
55 .ufcon = SMDKV310_UFCON_DEFAULT,
56 },
57 [2] = {
58 .hwport = 2,
59 .flags = 0,
60 .ucon = SMDKV310_UCON_DEFAULT,
61 .ulcon = SMDKV310_ULCON_DEFAULT,
62 .ufcon = SMDKV310_UFCON_DEFAULT,
63 },
64 [3] = {
65 .hwport = 3,
66 .flags = 0,
67 .ucon = SMDKV310_UCON_DEFAULT,
68 .ulcon = SMDKV310_ULCON_DEFAULT,
69 .ufcon = SMDKV310_UFCON_DEFAULT,
70 },
71};
72
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73static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
74 .cd_type = S3C_SDHCI_CD_GPIO,
75 .ext_cd_gpio = S5PV310_GPK0(2),
76 .ext_cd_gpio_invert = 1,
77#ifdef CONFIG_S5PV310_SDHCI_CH0_8BIT
78 .max_width = 8,
79 .host_caps = MMC_CAP_8_BIT_DATA,
80#endif
81};
82
83static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = {
84 .cd_type = S3C_SDHCI_CD_GPIO,
85 .ext_cd_gpio = S5PV310_GPK0(2),
86 .ext_cd_gpio_invert = 1,
87};
88
89static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
90 .cd_type = S3C_SDHCI_CD_GPIO,
91 .ext_cd_gpio = S5PV310_GPK2(2),
92 .ext_cd_gpio_invert = 1,
93#ifdef CONFIG_S5PV310_SDHCI_CH2_8BIT
94 .max_width = 8,
95 .host_caps = MMC_CAP_8_BIT_DATA,
96#endif
97};
98
99static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = {
100 .cd_type = S3C_SDHCI_CD_GPIO,
101 .ext_cd_gpio = S5PV310_GPK2(2),
102 .ext_cd_gpio_invert = 1,
103};
104
cdff6e6f 105static struct platform_device *smdkv310_devices[] __initdata = {
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106 &s3c_device_hsmmc0,
107 &s3c_device_hsmmc1,
108 &s3c_device_hsmmc2,
109 &s3c_device_hsmmc3,
cdff6e6f 110 &s3c_device_rtc,
8d75c912 111 &s3c_device_wdt,
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112};
113
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114static void __init smdkv310_map_io(void)
115{
116 s5p_init_io(NULL, 0, S5P_VA_CHIPID);
117 s3c24xx_init_clocks(24000000);
118 s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
119}
120
121static void __init smdkv310_machine_init(void)
122{
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123 s3c_sdhci0_set_platdata(&smdkv310_hsmmc0_pdata);
124 s3c_sdhci1_set_platdata(&smdkv310_hsmmc1_pdata);
125 s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata);
126 s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata);
127
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128#ifdef CONFIG_CACHE_L2X0
129 l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
130#endif
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131
132 platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
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133}
134
135MACHINE_START(SMDKV310, "SMDKV310")
136 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
137 /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
138 .phys_io = S3C_PA_UART & 0xfff00000,
139 .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
140 .boot_params = S5P_PA_SDRAM + 0x100,
141 .init_irq = s5pv310_init_irq,
142 .map_io = smdkv310_map_io,
143 .init_machine = smdkv310_machine_init,
144 .timer = &s5pv310_timer,
145MACHINE_END
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