diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3logic.c')
-rw-r--r-- | arch/arm/mach-omap2/board-omap3logic.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c new file mode 100644 index 000000000000..5f7d2c1e7ef5 --- /dev/null +++ b/arch/arm/mach-omap2/board-omap3logic.c | |||
@@ -0,0 +1,241 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-omap2/board-omap3logic.c | ||
3 | * | ||
4 | * Copyright (C) 2010 Li-Pro.Net | ||
5 | * Stephan Linz <linz@li-pro.net> | ||
6 | * | ||
7 | * Copyright (C) 2010 Logic Product Development, Inc. | ||
8 | * Peter Barada <peter.barada@logicpd.com> | ||
9 | * | ||
10 | * Modified from Beagle, EVM, and RX51 | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of the GNU General Public License version 2 as | ||
14 | * published by the Free Software Foundation. | ||
15 | */ | ||
16 | |||
17 | #include <linux/kernel.h> | ||
18 | #include <linux/init.h> | ||
19 | #include <linux/platform_device.h> | ||
20 | #include <linux/delay.h> | ||
21 | #include <linux/err.h> | ||
22 | #include <linux/clk.h> | ||
23 | #include <linux/io.h> | ||
24 | #include <linux/gpio.h> | ||
25 | |||
26 | #include <linux/regulator/machine.h> | ||
27 | |||
28 | #include <linux/i2c/twl.h> | ||
29 | #include <linux/mmc/host.h> | ||
30 | |||
31 | #include <mach/hardware.h> | ||
32 | #include <asm/mach-types.h> | ||
33 | #include <asm/mach/arch.h> | ||
34 | #include <asm/mach/map.h> | ||
35 | |||
36 | #include "mux.h" | ||
37 | #include "hsmmc.h" | ||
38 | #include "timer-gp.h" | ||
39 | #include "control.h" | ||
40 | |||
41 | #include <plat/mux.h> | ||
42 | #include <plat/board.h> | ||
43 | #include <plat/common.h> | ||
44 | #include <plat/gpmc-smsc911x.h> | ||
45 | #include <plat/gpmc.h> | ||
46 | #include <plat/sdrc.h> | ||
47 | |||
48 | #define OMAP3LOGIC_SMSC911X_CS 1 | ||
49 | |||
50 | #define OMAP3530_LV_SOM_MMC_GPIO_CD 110 | ||
51 | #define OMAP3530_LV_SOM_MMC_GPIO_WP 126 | ||
52 | #define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ 152 | ||
53 | |||
54 | #define OMAP3_TORPEDO_MMC_GPIO_CD 127 | ||
55 | #define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ 129 | ||
56 | |||
57 | static struct regulator_consumer_supply omap3logic_vmmc1_supply = { | ||
58 | .supply = "vmmc", | ||
59 | }; | ||
60 | |||
61 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ | ||
62 | static struct regulator_init_data omap3logic_vmmc1 = { | ||
63 | .constraints = { | ||
64 | .name = "VMMC1", | ||
65 | .min_uV = 1850000, | ||
66 | .max_uV = 3150000, | ||
67 | .valid_modes_mask = REGULATOR_MODE_NORMAL | ||
68 | | REGULATOR_MODE_STANDBY, | ||
69 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | ||
70 | | REGULATOR_CHANGE_MODE | ||
71 | | REGULATOR_CHANGE_STATUS, | ||
72 | }, | ||
73 | .num_consumer_supplies = 1, | ||
74 | .consumer_supplies = &omap3logic_vmmc1_supply, | ||
75 | }; | ||
76 | |||
77 | static struct twl4030_gpio_platform_data omap3logic_gpio_data = { | ||
78 | .gpio_base = OMAP_MAX_GPIO_LINES, | ||
79 | .irq_base = TWL4030_GPIO_IRQ_BASE, | ||
80 | .irq_end = TWL4030_GPIO_IRQ_END, | ||
81 | .use_leds = true, | ||
82 | .pullups = BIT(1), | ||
83 | .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | ||
84 | | BIT(13) | BIT(15) | BIT(16) | BIT(17), | ||
85 | }; | ||
86 | |||
87 | static struct twl4030_platform_data omap3logic_twldata = { | ||
88 | .irq_base = TWL4030_IRQ_BASE, | ||
89 | .irq_end = TWL4030_IRQ_END, | ||
90 | |||
91 | /* platform_data for children goes here */ | ||
92 | .gpio = &omap3logic_gpio_data, | ||
93 | .vmmc1 = &omap3logic_vmmc1, | ||
94 | }; | ||
95 | |||
96 | static struct i2c_board_info __initdata omap3logic_i2c_boardinfo[] = { | ||
97 | { | ||
98 | I2C_BOARD_INFO("twl4030", 0x48), | ||
99 | .flags = I2C_CLIENT_WAKE, | ||
100 | .irq = INT_34XX_SYS_NIRQ, | ||
101 | .platform_data = &omap3logic_twldata, | ||
102 | }, | ||
103 | }; | ||
104 | |||
105 | static int __init omap3logic_i2c_init(void) | ||
106 | { | ||
107 | omap_register_i2c_bus(1, 2600, omap3logic_i2c_boardinfo, | ||
108 | ARRAY_SIZE(omap3logic_i2c_boardinfo)); | ||
109 | return 0; | ||
110 | } | ||
111 | |||
112 | static struct omap2_hsmmc_info __initdata board_mmc_info[] = { | ||
113 | { | ||
114 | .name = "external", | ||
115 | .mmc = 1, | ||
116 | .caps = MMC_CAP_4_BIT_DATA, | ||
117 | .gpio_cd = -EINVAL, | ||
118 | .gpio_wp = -EINVAL, | ||
119 | }, | ||
120 | {} /* Terminator */ | ||
121 | }; | ||
122 | |||
123 | static void __init board_mmc_init(void) | ||
124 | { | ||
125 | if (machine_is_omap3530_lv_som()) { | ||
126 | /* OMAP3530 LV SOM board */ | ||
127 | board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD; | ||
128 | board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP; | ||
129 | omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT); | ||
130 | omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT); | ||
131 | } else if (machine_is_omap3_torpedo()) { | ||
132 | /* OMAP3 Torpedo board */ | ||
133 | board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD; | ||
134 | omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT); | ||
135 | } else { | ||
136 | /* unsupported board */ | ||
137 | printk(KERN_ERR "%s(): unknown machine type\n", __func__); | ||
138 | return; | ||
139 | } | ||
140 | |||
141 | omap2_hsmmc_init(board_mmc_info); | ||
142 | /* link regulators to MMC adapters */ | ||
143 | omap3logic_vmmc1_supply.dev = board_mmc_info[0].dev; | ||
144 | } | ||
145 | |||
146 | static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = { | ||
147 | .cs = OMAP3LOGIC_SMSC911X_CS, | ||
148 | .gpio_irq = -EINVAL, | ||
149 | .gpio_reset = -EINVAL, | ||
150 | .flags = IORESOURCE_IRQ_LOWLEVEL, | ||
151 | }; | ||
152 | |||
153 | /* TODO/FIXME (comment by Peter Barada, LogicPD): | ||
154 | * Fix the PBIAS voltage for Torpedo MMC1 pins that | ||
155 | * are used for other needs (IRQs, etc). */ | ||
156 | static void omap3torpedo_fix_pbias_voltage(void) | ||
157 | { | ||
158 | u16 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE; | ||
159 | u32 reg; | ||
160 | |||
161 | if (machine_is_omap3_torpedo()) | ||
162 | { | ||
163 | /* Set the bias for the pin */ | ||
164 | reg = omap_ctrl_readl(control_pbias_offset); | ||
165 | |||
166 | reg &= ~OMAP343X_PBIASLITEPWRDNZ1; | ||
167 | omap_ctrl_writel(reg, control_pbias_offset); | ||
168 | |||
169 | /* 100ms delay required for PBIAS configuration */ | ||
170 | msleep(100); | ||
171 | |||
172 | reg |= OMAP343X_PBIASLITEVMODE1; | ||
173 | reg |= OMAP343X_PBIASLITEPWRDNZ1; | ||
174 | omap_ctrl_writel(reg | 0x300, control_pbias_offset); | ||
175 | } | ||
176 | } | ||
177 | |||
178 | static inline void __init board_smsc911x_init(void) | ||
179 | { | ||
180 | if (machine_is_omap3530_lv_som()) { | ||
181 | /* OMAP3530 LV SOM board */ | ||
182 | board_smsc911x_data.gpio_irq = | ||
183 | OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ; | ||
184 | omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT); | ||
185 | } else if (machine_is_omap3_torpedo()) { | ||
186 | /* OMAP3 Torpedo board */ | ||
187 | board_smsc911x_data.gpio_irq = OMAP3_TORPEDO_SMSC911X_GPIO_IRQ; | ||
188 | omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT); | ||
189 | } else { | ||
190 | /* unsupported board */ | ||
191 | printk(KERN_ERR "%s(): unknown machine type\n", __func__); | ||
192 | return; | ||
193 | } | ||
194 | |||
195 | gpmc_smsc911x_init(&board_smsc911x_data); | ||
196 | } | ||
197 | |||
198 | static void __init omap3logic_init_irq(void) | ||
199 | { | ||
200 | omap2_init_common_hw(NULL, NULL); | ||
201 | omap_init_irq(); | ||
202 | omap_gpio_init(); | ||
203 | } | ||
204 | |||
205 | #ifdef CONFIG_OMAP_MUX | ||
206 | static struct omap_board_mux board_mux[] __initdata = { | ||
207 | { .reg_offset = OMAP_MUX_TERMINATOR }, | ||
208 | }; | ||
209 | #else | ||
210 | #define board_mux NULL | ||
211 | #endif | ||
212 | |||
213 | static void __init omap3logic_init(void) | ||
214 | { | ||
215 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); | ||
216 | omap3torpedo_fix_pbias_voltage(); | ||
217 | omap3logic_i2c_init(); | ||
218 | omap_serial_init(); | ||
219 | board_mmc_init(); | ||
220 | board_smsc911x_init(); | ||
221 | |||
222 | /* Ensure SDRC pins are mux'd for self-refresh */ | ||
223 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); | ||
224 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); | ||
225 | } | ||
226 | |||
227 | MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board") | ||
228 | .boot_params = 0x80000100, | ||
229 | .map_io = omap3_map_io, | ||
230 | .init_irq = omap3logic_init_irq, | ||
231 | .init_machine = omap3logic_init, | ||
232 | .timer = &omap_timer, | ||
233 | MACHINE_END | ||
234 | |||
235 | MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board") | ||
236 | .boot_params = 0x80000100, | ||
237 | .map_io = omap3_map_io, | ||
238 | .init_irq = omap3logic_init_irq, | ||
239 | .init_machine = omap3logic_init, | ||
240 | .timer = &omap_timer, | ||
241 | MACHINE_END | ||