1 /*
2 * arch/arm/mach-pxa/colibri-pxa320.c
3 *
4 * Support for Toradex PXA320/310 based Colibri module
5 *
6 * Daniel Mack <daniel@caiaq.de>
7 * Matthias Meier <matthias.j.meier@gmx.net>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14 #include <linux/init.h>
15 #include <linux/kernel.h>
16 #include <linux/platform_device.h>
17 #include <linux/gpio.h>
18 #include <linux/interrupt.h>
19
20 #include <asm/mach-types.h>
21 #include <asm/sizes.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/irq.h>
24
25 #include <mach/pxa3xx-regs.h>
26 #include <mach/mfp-pxa320.h>
27 #include <mach/colibri.h>
28 #include <mach/pxafb.h>
29 #include <mach/ohci.h>
30
31 #include "generic.h"
32 #include "devices.h"
33
34 #if defined(CONFIG_AX88796)
35 #define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO36_GPIO)
36
37 /*
38 * Asix AX88796 Ethernet
39 */
40 static struct ax_plat_data colibri_asix_platdata = {
41 .flags = 0, /* defined later */
42 .wordlength = 2,
43 };
44
45 static struct resource colibri_asix_resource[] = {
46 [0] = {
47 .start = PXA3xx_CS2_PHYS,
48 .end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
49 .flags = IORESOURCE_MEM,
50 },
51 [1] = {
52 .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
53 .end = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
54 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
55 }
56 };
57
58 static struct platform_device asix_device = {
59 .name = "ax88796",
60 .id = 0,
61 .num_resources = ARRAY_SIZE(colibri_asix_resource),
62 .resource = colibri_asix_resource,
63 .dev = {
64 .platform_data = &colibri_asix_platdata
65 }
66 };
67
68 static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = {
69 GPIO3_nCS2, /* AX88796 chip select */
70 GPIO36_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */
71 };
72
73 static void __init colibri_pxa320_init_eth(void)
74 {
75 colibri_pxa3xx_init_eth(&colibri_asix_platdata);
76 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config));
77 platform_device_register(&asix_device);
78 }
79 #else
80 static inline void __init colibri_pxa320_init_eth(void) {}
81 #endif /* CONFIG_AX88796 */
82
83 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
84 static mfp_cfg_t colibri_pxa320_usb_pin_config[] __initdata = {
85 GPIO2_2_USBH_PEN,
86 GPIO3_2_USBH_PWR,
87 };
88
89 static struct pxaohci_platform_data colibri_pxa320_ohci_info = {
90 .port_mode = PMM_GLOBAL_MODE,
91 .flags = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
92 };
93
94 void __init colibri_pxa320_init_ohci(void)
95 {
96 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_usb_pin_config));
97 pxa_set_ohci_info(&colibri_pxa320_ohci_info);
98 }
99 #else
100 static inline void colibri_pxa320_init_ohci(void) {}
101 #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
102
103 static mfp_cfg_t colibri_pxa320_mmc_pin_config[] __initdata = {
104 GPIO22_MMC1_CLK,
105 GPIO23_MMC1_CMD,
106 GPIO18_MMC1_DAT0,
107 GPIO19_MMC1_DAT1,
108 GPIO20_MMC1_DAT2,
109 GPIO21_MMC1_DAT3
110 };
111
112 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
113 static mfp_cfg_t colibri_pxa320_lcd_pin_config[] __initdata = {
114 GPIO6_2_LCD_LDD_0,
115 GPIO7_2_LCD_LDD_1,
116 GPIO8_2_LCD_LDD_2,
117 GPIO9_2_LCD_LDD_3,
118 GPIO10_2_LCD_LDD_4,
119 GPIO11_2_LCD_LDD_5,
120 GPIO12_2_LCD_LDD_6,
121 GPIO13_2_LCD_LDD_7,
122 GPIO63_LCD_LDD_8,
123 GPIO64_LCD_LDD_9,
124 GPIO65_LCD_LDD_10,
125 GPIO66_LCD_LDD_11,
126 GPIO67_LCD_LDD_12,
127 GPIO68_LCD_LDD_13,
128 GPIO69_LCD_LDD_14,
129 GPIO70_LCD_LDD_15,
130 GPIO71_LCD_LDD_16,
131 GPIO72_LCD_LDD_17,
132 GPIO73_LCD_CS_N,
133 GPIO74_LCD_VSYNC,
134 GPIO14_2_LCD_FCLK,
135 GPIO15_2_LCD_LCLK,
136 GPIO16_2_LCD_PCLK,
137 GPIO17_2_LCD_BIAS,
138 };
139
140 static void __init colibri_pxa320_init_lcd(void)
141 {
142 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_lcd_pin_config));
143 }
144 #else
145 static inline void colibri_pxa320_init_lcd(void) {}
146 #endif
147
148 #if defined(SND_AC97_CODEC) || defined(SND_AC97_CODEC_MODULE)
149 static mfp_cfg_t colibri_pxa320_ac97_pin_config[] __initdata = {
150 GPIO34_AC97_SYSCLK,
151 GPIO35_AC97_SDATA_IN_0,
152 GPIO37_AC97_SDATA_OUT,
153 GPIO38_AC97_SYNC,
154 GPIO39_AC97_BITCLK,
155 GPIO40_AC97_nACRESET
156 };
157
158 static inline void __init colibri_pxa320_init_ac97(void)
159 {
160 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_ac97_pin_config));
161 pxa_set_ac97_info(NULL);
162 }
163 #else
164 static inline void colibri_pxa320_init_ac97(void) {}
165 #endif
166
167 void __init colibri_pxa320_init(void)
168 {
169 colibri_pxa320_init_eth();
170 colibri_pxa320_init_ohci();
171 colibri_pxa320_init_lcd();
172 colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO));
173 colibri_pxa320_init_ac97();
174 colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config),
175 mfp_to_gpio(MFP_PIN_GPIO28));
176 }
177
178 MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")
179 .phys_io = 0x40000000,
180 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
181 .boot_params = COLIBRI_SDRAM_BASE + 0x100,
182 .init_machine = colibri_pxa320_init,
183 .map_io = pxa_map_io,
184 .init_irq = pxa3xx_init_irq,
185 .timer = &pxa_timer,
186 MACHINE_END
187
188
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