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bac07ecd DM |
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> | |
8a28b10e | 18 | #include <linux/interrupt.h> |
bac07ecd DM |
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> | |
91fcfb90 | 28 | #include <mach/pxafb.h> |
bac07ecd | 29 | #include <mach/ohci.h> |
15f593cf | 30 | #include <mach/audio.h> |
bac07ecd DM |
31 | |
32 | #include "generic.h" | |
33 | #include "devices.h" | |
34 | ||
35 | #if defined(CONFIG_AX88796) | |
36 | #define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO36_GPIO) | |
37 | ||
38 | /* | |
39 | * Asix AX88796 Ethernet | |
40 | */ | |
41 | static struct ax_plat_data colibri_asix_platdata = { | |
22a0200b DM |
42 | .flags = 0, /* defined later */ |
43 | .wordlength = 2, | |
bac07ecd DM |
44 | }; |
45 | ||
46 | static struct resource colibri_asix_resource[] = { | |
47 | [0] = { | |
48 | .start = PXA3xx_CS2_PHYS, | |
49 | .end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1, | |
50 | .flags = IORESOURCE_MEM, | |
51 | }, | |
52 | [1] = { | |
53 | .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), | |
54 | .end = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), | |
8a28b10e | 55 | .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, |
bac07ecd DM |
56 | } |
57 | }; | |
58 | ||
59 | static struct platform_device asix_device = { | |
60 | .name = "ax88796", | |
61 | .id = 0, | |
62 | .num_resources = ARRAY_SIZE(colibri_asix_resource), | |
63 | .resource = colibri_asix_resource, | |
64 | .dev = { | |
65 | .platform_data = &colibri_asix_platdata | |
66 | } | |
67 | }; | |
68 | ||
69 | static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = { | |
70 | GPIO3_nCS2, /* AX88796 chip select */ | |
71 | GPIO36_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */ | |
72 | }; | |
73 | ||
74 | static void __init colibri_pxa320_init_eth(void) | |
75 | { | |
22a0200b | 76 | colibri_pxa3xx_init_eth(&colibri_asix_platdata); |
bac07ecd | 77 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config)); |
bac07ecd DM |
78 | platform_device_register(&asix_device); |
79 | } | |
80 | #else | |
81 | static inline void __init colibri_pxa320_init_eth(void) {} | |
82 | #endif /* CONFIG_AX88796 */ | |
83 | ||
84 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | |
85 | static mfp_cfg_t colibri_pxa320_usb_pin_config[] __initdata = { | |
86 | GPIO2_2_USBH_PEN, | |
87 | GPIO3_2_USBH_PWR, | |
88 | }; | |
89 | ||
90 | static struct pxaohci_platform_data colibri_pxa320_ohci_info = { | |
91 | .port_mode = PMM_GLOBAL_MODE, | |
92 | .flags = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW, | |
93 | }; | |
94 | ||
95 | void __init colibri_pxa320_init_ohci(void) | |
96 | { | |
97 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_usb_pin_config)); | |
98 | pxa_set_ohci_info(&colibri_pxa320_ohci_info); | |
99 | } | |
100 | #else | |
101 | static inline void colibri_pxa320_init_ohci(void) {} | |
102 | #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */ | |
103 | ||
104 | static mfp_cfg_t colibri_pxa320_mmc_pin_config[] __initdata = { | |
105 | GPIO22_MMC1_CLK, | |
106 | GPIO23_MMC1_CMD, | |
107 | GPIO18_MMC1_DAT0, | |
108 | GPIO19_MMC1_DAT1, | |
109 | GPIO20_MMC1_DAT2, | |
110 | GPIO21_MMC1_DAT3 | |
111 | }; | |
112 | ||
91fcfb90 DM |
113 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
114 | static mfp_cfg_t colibri_pxa320_lcd_pin_config[] __initdata = { | |
115 | GPIO6_2_LCD_LDD_0, | |
116 | GPIO7_2_LCD_LDD_1, | |
117 | GPIO8_2_LCD_LDD_2, | |
118 | GPIO9_2_LCD_LDD_3, | |
119 | GPIO10_2_LCD_LDD_4, | |
120 | GPIO11_2_LCD_LDD_5, | |
121 | GPIO12_2_LCD_LDD_6, | |
122 | GPIO13_2_LCD_LDD_7, | |
123 | GPIO63_LCD_LDD_8, | |
124 | GPIO64_LCD_LDD_9, | |
125 | GPIO65_LCD_LDD_10, | |
126 | GPIO66_LCD_LDD_11, | |
127 | GPIO67_LCD_LDD_12, | |
128 | GPIO68_LCD_LDD_13, | |
129 | GPIO69_LCD_LDD_14, | |
130 | GPIO70_LCD_LDD_15, | |
131 | GPIO71_LCD_LDD_16, | |
132 | GPIO72_LCD_LDD_17, | |
133 | GPIO73_LCD_CS_N, | |
134 | GPIO74_LCD_VSYNC, | |
135 | GPIO14_2_LCD_FCLK, | |
136 | GPIO15_2_LCD_LCLK, | |
137 | GPIO16_2_LCD_PCLK, | |
138 | GPIO17_2_LCD_BIAS, | |
139 | }; | |
140 | ||
141 | static void __init colibri_pxa320_init_lcd(void) | |
142 | { | |
143 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_lcd_pin_config)); | |
144 | } | |
145 | #else | |
146 | static inline void colibri_pxa320_init_lcd(void) {} | |
147 | #endif | |
148 | ||
15f593cf MV |
149 | #if defined(CONFIG_SND_AC97_CODEC) || \ |
150 | defined(CONFIG_SND_AC97_CODEC_MODULE) | |
e2bb5bef DM |
151 | static mfp_cfg_t colibri_pxa320_ac97_pin_config[] __initdata = { |
152 | GPIO34_AC97_SYSCLK, | |
153 | GPIO35_AC97_SDATA_IN_0, | |
154 | GPIO37_AC97_SDATA_OUT, | |
155 | GPIO38_AC97_SYNC, | |
156 | GPIO39_AC97_BITCLK, | |
157 | GPIO40_AC97_nACRESET | |
158 | }; | |
159 | ||
160 | static inline void __init colibri_pxa320_init_ac97(void) | |
161 | { | |
162 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_ac97_pin_config)); | |
163 | pxa_set_ac97_info(NULL); | |
164 | } | |
165 | #else | |
166 | static inline void colibri_pxa320_init_ac97(void) {} | |
167 | #endif | |
168 | ||
ecc85e16 AR |
169 | /* |
170 | * The following configuration is verified to work with the Toradex Orchid | |
171 | * carrier board | |
172 | */ | |
173 | static mfp_cfg_t colibri_pxa320_uart_pin_config[] __initdata = { | |
174 | /* UART 1 configuration (may be set by bootloader) */ | |
175 | GPIO99_UART1_CTS, | |
176 | GPIO104_UART1_RTS, | |
177 | GPIO97_UART1_RXD, | |
178 | GPIO98_UART1_TXD, | |
179 | GPIO101_UART1_DTR, | |
180 | GPIO103_UART1_DSR, | |
181 | GPIO100_UART1_DCD, | |
182 | GPIO102_UART1_RI, | |
183 | ||
184 | /* UART 2 configuration */ | |
185 | GPIO109_UART2_CTS, | |
186 | GPIO112_UART2_RTS, | |
187 | GPIO110_UART2_RXD, | |
188 | GPIO111_UART2_TXD, | |
189 | ||
190 | /* UART 3 configuration */ | |
191 | GPIO30_UART3_RXD, | |
192 | GPIO31_UART3_TXD, | |
193 | }; | |
194 | ||
195 | static void __init colibri_pxa320_init_uart(void) | |
196 | { | |
197 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_uart_pin_config)); | |
198 | } | |
199 | ||
bac07ecd DM |
200 | void __init colibri_pxa320_init(void) |
201 | { | |
202 | colibri_pxa320_init_eth(); | |
203 | colibri_pxa320_init_ohci(); | |
53740df1 | 204 | colibri_pxa3xx_init_nand(); |
91fcfb90 | 205 | colibri_pxa320_init_lcd(); |
c9b78189 | 206 | colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO)); |
e2bb5bef | 207 | colibri_pxa320_init_ac97(); |
bac07ecd DM |
208 | colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config), |
209 | mfp_to_gpio(MFP_PIN_GPIO28)); | |
ecc85e16 | 210 | colibri_pxa320_init_uart(); |
bac07ecd DM |
211 | } |
212 | ||
213 | MACHINE_START(COLIBRI320, "Toradex Colibri PXA320") | |
214 | .phys_io = 0x40000000, | |
215 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
216 | .boot_params = COLIBRI_SDRAM_BASE + 0x100, | |
217 | .init_machine = colibri_pxa320_init, | |
218 | .map_io = pxa_map_io, | |
219 | .init_irq = pxa3xx_init_irq, | |
220 | .timer = &pxa_timer, | |
221 | MACHINE_END | |
222 |