Merge commit 'v2.6.39' into 20110526
[linux-2.6.git] / arch / arm / mach-exynos4 / mach-smdkv310.c
1 /* linux/arch/arm/mach-exynos4/mach-smdkv310.c
2  *
3  * Copyright (c) 2010-2011 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>
12 #include <linux/gpio.h>
13 #include <linux/mmc/host.h>
14 #include <linux/platform_device.h>
15 #include <linux/smsc911x.h>
16 #include <linux/io.h>
17 #include <linux/i2c.h>
18 #include <linux/input.h>
19
20 #include <asm/mach/arch.h>
21 #include <asm/mach-types.h>
22
23 #include <plat/regs-serial.h>
24 #include <plat/regs-srom.h>
25 #include <plat/exynos4.h>
26 #include <plat/cpu.h>
27 #include <plat/devs.h>
28 #include <plat/keypad.h>
29 #include <plat/sdhci.h>
30 #include <plat/iic.h>
31 #include <plat/pd.h>
32
33 #include <mach/map.h>
34
35 /* Following are default values for UCON, ULCON and UFCON UART registers */
36 #define SMDKV310_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
37                                  S3C2410_UCON_RXILEVEL |        \
38                                  S3C2410_UCON_TXIRQMODE |       \
39                                  S3C2410_UCON_RXIRQMODE |       \
40                                  S3C2410_UCON_RXFIFO_TOI |      \
41                                  S3C2443_UCON_RXERR_IRQEN)
42
43 #define SMDKV310_ULCON_DEFAULT  S3C2410_LCON_CS8
44
45 #define SMDKV310_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
46                                  S5PV210_UFCON_TXTRIG4 |        \
47                                  S5PV210_UFCON_RXTRIG4)
48
49 static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
50         [0] = {
51                 .hwport         = 0,
52                 .flags          = 0,
53                 .ucon           = SMDKV310_UCON_DEFAULT,
54                 .ulcon          = SMDKV310_ULCON_DEFAULT,
55                 .ufcon          = SMDKV310_UFCON_DEFAULT,
56         },
57         [1] = {
58                 .hwport         = 1,
59                 .flags          = 0,
60                 .ucon           = SMDKV310_UCON_DEFAULT,
61                 .ulcon          = SMDKV310_ULCON_DEFAULT,
62                 .ufcon          = SMDKV310_UFCON_DEFAULT,
63         },
64         [2] = {
65                 .hwport         = 2,
66                 .flags          = 0,
67                 .ucon           = SMDKV310_UCON_DEFAULT,
68                 .ulcon          = SMDKV310_ULCON_DEFAULT,
69                 .ufcon          = SMDKV310_UFCON_DEFAULT,
70         },
71         [3] = {
72                 .hwport         = 3,
73                 .flags          = 0,
74                 .ucon           = SMDKV310_UCON_DEFAULT,
75                 .ulcon          = SMDKV310_ULCON_DEFAULT,
76                 .ufcon          = SMDKV310_UFCON_DEFAULT,
77         },
78 };
79
80 static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
81         .cd_type                = S3C_SDHCI_CD_GPIO,
82         .ext_cd_gpio            = EXYNOS4_GPK0(2),
83         .ext_cd_gpio_invert     = 1,
84         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
85 #ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
86         .max_width              = 8,
87         .host_caps              = MMC_CAP_8_BIT_DATA,
88 #endif
89 };
90
91 static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = {
92         .cd_type                = S3C_SDHCI_CD_GPIO,
93         .ext_cd_gpio            = EXYNOS4_GPK0(2),
94         .ext_cd_gpio_invert     = 1,
95         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
96 };
97
98 static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
99         .cd_type                = S3C_SDHCI_CD_GPIO,
100         .ext_cd_gpio            = EXYNOS4_GPK2(2),
101         .ext_cd_gpio_invert     = 1,
102         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
103 #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
104         .max_width              = 8,
105         .host_caps              = MMC_CAP_8_BIT_DATA,
106 #endif
107 };
108
109 static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = {
110         .cd_type                = S3C_SDHCI_CD_GPIO,
111         .ext_cd_gpio            = EXYNOS4_GPK2(2),
112         .ext_cd_gpio_invert     = 1,
113         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
114 };
115
116 static struct resource smdkv310_smsc911x_resources[] = {
117         [0] = {
118                 .start  = EXYNOS4_PA_SROM_BANK(1),
119                 .end    = EXYNOS4_PA_SROM_BANK(1) + SZ_64K - 1,
120                 .flags  = IORESOURCE_MEM,
121         },
122         [1] = {
123                 .start  = IRQ_EINT(5),
124                 .end    = IRQ_EINT(5),
125                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
126         },
127 };
128
129 static struct smsc911x_platform_config smsc9215_config = {
130         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
131         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
132         .flags          = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
133         .phy_interface  = PHY_INTERFACE_MODE_MII,
134         .mac            = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
135 };
136
137 static struct platform_device smdkv310_smsc911x = {
138         .name           = "smsc911x",
139         .id             = -1,
140         .num_resources  = ARRAY_SIZE(smdkv310_smsc911x_resources),
141         .resource       = smdkv310_smsc911x_resources,
142         .dev            = {
143                 .platform_data  = &smsc9215_config,
144         },
145 };
146
147 static uint32_t smdkv310_keymap[] __initdata = {
148         /* KEY(row, col, keycode) */
149         KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
150         KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
151         KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
152         KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
153 };
154
155 static struct matrix_keymap_data smdkv310_keymap_data __initdata = {
156         .keymap         = smdkv310_keymap,
157         .keymap_size    = ARRAY_SIZE(smdkv310_keymap),
158 };
159
160 static struct samsung_keypad_platdata smdkv310_keypad_data __initdata = {
161         .keymap_data    = &smdkv310_keymap_data,
162         .rows           = 2,
163         .cols           = 8,
164 };
165
166 static struct i2c_board_info i2c_devs1[] __initdata = {
167         {I2C_BOARD_INFO("wm8994", 0x1a),},
168 };
169
170 static struct platform_device *smdkv310_devices[] __initdata = {
171         &s3c_device_hsmmc0,
172         &s3c_device_hsmmc1,
173         &s3c_device_hsmmc2,
174         &s3c_device_hsmmc3,
175         &s3c_device_i2c1,
176         &s3c_device_rtc,
177         &s3c_device_wdt,
178         &exynos4_device_ac97,
179         &exynos4_device_i2s0,
180         &samsung_device_keypad,
181         &exynos4_device_pd[PD_MFC],
182         &exynos4_device_pd[PD_G3D],
183         &exynos4_device_pd[PD_LCD0],
184         &exynos4_device_pd[PD_LCD1],
185         &exynos4_device_pd[PD_CAM],
186         &exynos4_device_pd[PD_TV],
187         &exynos4_device_pd[PD_GPS],
188         &exynos4_device_sysmmu,
189         &samsung_asoc_dma,
190         &smdkv310_smsc911x,
191 };
192
193 static void __init smdkv310_smsc911x_init(void)
194 {
195         u32 cs1;
196
197         /* configure nCS1 width to 16 bits */
198         cs1 = __raw_readl(S5P_SROM_BW) &
199                 ~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
200         cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
201                 (1 << S5P_SROM_BW__WAITENABLE__SHIFT) |
202                 (1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
203                 S5P_SROM_BW__NCS1__SHIFT;
204         __raw_writel(cs1, S5P_SROM_BW);
205
206         /* set timing for nCS1 suitable for ethernet chip */
207         __raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
208                      (0x9 << S5P_SROM_BCX__TACP__SHIFT) |
209                      (0xc << S5P_SROM_BCX__TCAH__SHIFT) |
210                      (0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
211                      (0x6 << S5P_SROM_BCX__TACC__SHIFT) |
212                      (0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
213                      (0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
214 }
215
216 static void __init smdkv310_map_io(void)
217 {
218         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
219         s3c24xx_init_clocks(24000000);
220         s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
221 }
222
223 static void __init smdkv310_machine_init(void)
224 {
225         s3c_i2c1_set_platdata(NULL);
226         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
227
228         smdkv310_smsc911x_init();
229
230         s3c_sdhci0_set_platdata(&smdkv310_hsmmc0_pdata);
231         s3c_sdhci1_set_platdata(&smdkv310_hsmmc1_pdata);
232         s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata);
233         s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata);
234
235         samsung_keypad_set_platdata(&smdkv310_keypad_data);
236
237         platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
238 }
239
240 MACHINE_START(SMDKV310, "SMDKV310")
241         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
242         /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
243         .boot_params    = S5P_PA_SDRAM + 0x100,
244         .init_irq       = exynos4_init_irq,
245         .map_io         = smdkv310_map_io,
246         .init_machine   = smdkv310_machine_init,
247         .timer          = &exynos4_timer,
248 MACHINE_END