Merge git://bedivere.hansenpartnership.com/git/scsi-rc-fixes-2.6
[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 #include <linux/pwm_backlight.h>
20
21 #include <asm/mach/arch.h>
22 #include <asm/mach-types.h>
23
24 #include <plat/regs-serial.h>
25 #include <plat/regs-srom.h>
26 #include <plat/exynos4.h>
27 #include <plat/cpu.h>
28 #include <plat/devs.h>
29 #include <plat/keypad.h>
30 #include <plat/sdhci.h>
31 #include <plat/iic.h>
32 #include <plat/pd.h>
33 #include <plat/gpio-cfg.h>
34 #include <plat/backlight.h>
35
36 #include <mach/map.h>
37
38 /* Following are default values for UCON, ULCON and UFCON UART registers */
39 #define SMDKV310_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
40                                  S3C2410_UCON_RXILEVEL |        \
41                                  S3C2410_UCON_TXIRQMODE |       \
42                                  S3C2410_UCON_RXIRQMODE |       \
43                                  S3C2410_UCON_RXFIFO_TOI |      \
44                                  S3C2443_UCON_RXERR_IRQEN)
45
46 #define SMDKV310_ULCON_DEFAULT  S3C2410_LCON_CS8
47
48 #define SMDKV310_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
49                                  S5PV210_UFCON_TXTRIG4 |        \
50                                  S5PV210_UFCON_RXTRIG4)
51
52 static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
53         [0] = {
54                 .hwport         = 0,
55                 .flags          = 0,
56                 .ucon           = SMDKV310_UCON_DEFAULT,
57                 .ulcon          = SMDKV310_ULCON_DEFAULT,
58                 .ufcon          = SMDKV310_UFCON_DEFAULT,
59         },
60         [1] = {
61                 .hwport         = 1,
62                 .flags          = 0,
63                 .ucon           = SMDKV310_UCON_DEFAULT,
64                 .ulcon          = SMDKV310_ULCON_DEFAULT,
65                 .ufcon          = SMDKV310_UFCON_DEFAULT,
66         },
67         [2] = {
68                 .hwport         = 2,
69                 .flags          = 0,
70                 .ucon           = SMDKV310_UCON_DEFAULT,
71                 .ulcon          = SMDKV310_ULCON_DEFAULT,
72                 .ufcon          = SMDKV310_UFCON_DEFAULT,
73         },
74         [3] = {
75                 .hwport         = 3,
76                 .flags          = 0,
77                 .ucon           = SMDKV310_UCON_DEFAULT,
78                 .ulcon          = SMDKV310_ULCON_DEFAULT,
79                 .ufcon          = SMDKV310_UFCON_DEFAULT,
80         },
81 };
82
83 static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
84         .cd_type                = S3C_SDHCI_CD_INTERNAL,
85         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
86 #ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
87         .max_width              = 8,
88         .host_caps              = MMC_CAP_8_BIT_DATA,
89 #endif
90 };
91
92 static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = {
93         .cd_type                = S3C_SDHCI_CD_GPIO,
94         .ext_cd_gpio            = EXYNOS4_GPK0(2),
95         .ext_cd_gpio_invert     = 1,
96         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
97 };
98
99 static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
100         .cd_type                = S3C_SDHCI_CD_INTERNAL,
101         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
102 #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
103         .max_width              = 8,
104         .host_caps              = MMC_CAP_8_BIT_DATA,
105 #endif
106 };
107
108 static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = {
109         .cd_type                = S3C_SDHCI_CD_GPIO,
110         .ext_cd_gpio            = EXYNOS4_GPK2(2),
111         .ext_cd_gpio_invert     = 1,
112         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
113 };
114
115 static struct resource smdkv310_smsc911x_resources[] = {
116         [0] = {
117                 .start  = EXYNOS4_PA_SROM_BANK(1),
118                 .end    = EXYNOS4_PA_SROM_BANK(1) + SZ_64K - 1,
119                 .flags  = IORESOURCE_MEM,
120         },
121         [1] = {
122                 .start  = IRQ_EINT(5),
123                 .end    = IRQ_EINT(5),
124                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
125         },
126 };
127
128 static struct smsc911x_platform_config smsc9215_config = {
129         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
130         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
131         .flags          = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
132         .phy_interface  = PHY_INTERFACE_MODE_MII,
133         .mac            = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
134 };
135
136 static struct platform_device smdkv310_smsc911x = {
137         .name           = "smsc911x",
138         .id             = -1,
139         .num_resources  = ARRAY_SIZE(smdkv310_smsc911x_resources),
140         .resource       = smdkv310_smsc911x_resources,
141         .dev            = {
142                 .platform_data  = &smsc9215_config,
143         },
144 };
145
146 static uint32_t smdkv310_keymap[] __initdata = {
147         /* KEY(row, col, keycode) */
148         KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
149         KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
150         KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
151         KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
152 };
153
154 static struct matrix_keymap_data smdkv310_keymap_data __initdata = {
155         .keymap         = smdkv310_keymap,
156         .keymap_size    = ARRAY_SIZE(smdkv310_keymap),
157 };
158
159 static struct samsung_keypad_platdata smdkv310_keypad_data __initdata = {
160         .keymap_data    = &smdkv310_keymap_data,
161         .rows           = 2,
162         .cols           = 8,
163 };
164
165 static struct i2c_board_info i2c_devs1[] __initdata = {
166         {I2C_BOARD_INFO("wm8994", 0x1a),},
167 };
168
169 static struct platform_device *smdkv310_devices[] __initdata = {
170         &s3c_device_hsmmc0,
171         &s3c_device_hsmmc1,
172         &s3c_device_hsmmc2,
173         &s3c_device_hsmmc3,
174         &s3c_device_i2c1,
175         &s3c_device_rtc,
176         &s3c_device_wdt,
177         &exynos4_device_ac97,
178         &exynos4_device_i2s0,
179         &samsung_device_keypad,
180         &exynos4_device_pd[PD_MFC],
181         &exynos4_device_pd[PD_G3D],
182         &exynos4_device_pd[PD_LCD0],
183         &exynos4_device_pd[PD_LCD1],
184         &exynos4_device_pd[PD_CAM],
185         &exynos4_device_pd[PD_TV],
186         &exynos4_device_pd[PD_GPS],
187         &exynos4_device_spdif,
188         &exynos4_device_sysmmu,
189         &samsung_asoc_dma,
190         &samsung_asoc_idma,
191         &smdkv310_smsc911x,
192         &exynos4_device_ahci,
193 };
194
195 static void __init smdkv310_smsc911x_init(void)
196 {
197         u32 cs1;
198
199         /* configure nCS1 width to 16 bits */
200         cs1 = __raw_readl(S5P_SROM_BW) &
201                 ~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
202         cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
203                 (1 << S5P_SROM_BW__WAITENABLE__SHIFT) |
204                 (1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
205                 S5P_SROM_BW__NCS1__SHIFT;
206         __raw_writel(cs1, S5P_SROM_BW);
207
208         /* set timing for nCS1 suitable for ethernet chip */
209         __raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
210                      (0x9 << S5P_SROM_BCX__TACP__SHIFT) |
211                      (0xc << S5P_SROM_BCX__TCAH__SHIFT) |
212                      (0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
213                      (0x6 << S5P_SROM_BCX__TACC__SHIFT) |
214                      (0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
215                      (0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
216 }
217
218 /* LCD Backlight data */
219 static struct samsung_bl_gpio_info smdkv310_bl_gpio_info = {
220         .no = EXYNOS4_GPD0(1),
221         .func = S3C_GPIO_SFN(2),
222 };
223
224 static struct platform_pwm_backlight_data smdkv310_bl_data = {
225         .pwm_id = 1,
226         .pwm_period_ns  = 1000,
227 };
228
229 static void __init smdkv310_map_io(void)
230 {
231         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
232         s3c24xx_init_clocks(24000000);
233         s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
234 }
235
236 static void __init smdkv310_machine_init(void)
237 {
238         s3c_i2c1_set_platdata(NULL);
239         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
240
241         smdkv310_smsc911x_init();
242
243         s3c_sdhci0_set_platdata(&smdkv310_hsmmc0_pdata);
244         s3c_sdhci1_set_platdata(&smdkv310_hsmmc1_pdata);
245         s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata);
246         s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata);
247
248         samsung_keypad_set_platdata(&smdkv310_keypad_data);
249
250         samsung_bl_set(&smdkv310_bl_gpio_info, &smdkv310_bl_data);
251
252         platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
253 }
254
255 MACHINE_START(SMDKV310, "SMDKV310")
256         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
257         /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
258         .boot_params    = S5P_PA_SDRAM + 0x100,
259         .init_irq       = exynos4_init_irq,
260         .map_io         = smdkv310_map_io,
261         .init_machine   = smdkv310_machine_init,
262         .timer          = &exynos4_timer,
263 MACHINE_END