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-rw-r--r--arch/arm/mach-pxa/colibri-pxa300.c190
1 files changed, 190 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
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1/*
2 * arch/arm/mach-pxa/colibri-pxa300.c
3 *
4 * Support for Toradex PXA300/310 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 <net/ax88796.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/pxa300.h>
26#include <mach/colibri.h>
27#include <mach/ohci.h>
28#include <mach/pxafb.h>
29
30#include "generic.h"
31#include "devices.h"
32
33#if defined(CONFIG_AX88796)
34#define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO26_GPIO)
35/*
36 * Asix AX88796 Ethernet
37 */
38static struct ax_plat_data colibri_asix_platdata = {
39 .flags = AXFLG_MAC_FROMDEV,
40 .wordlength = 2
41};
42
43static struct resource colibri_asix_resource[] = {
44 [0] = {
45 .start = PXA3xx_CS2_PHYS,
46 .end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
47 .flags = IORESOURCE_MEM,
48 },
49 [1] = {
50 .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
51 .end = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
52 .flags = IORESOURCE_IRQ
53 }
54};
55
56static struct platform_device asix_device = {
57 .name = "ax88796",
58 .id = 0,
59 .num_resources = ARRAY_SIZE(colibri_asix_resource),
60 .resource = colibri_asix_resource,
61 .dev = {
62 .platform_data = &colibri_asix_platdata
63 }
64};
65
66static mfp_cfg_t colibri_pxa300_eth_pin_config[] __initdata = {
67 GPIO1_nCS2, /* AX88796 chip select */
68 GPIO26_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */
69};
70
71static void __init colibri_pxa300_init_eth(void)
72{
73 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
74 set_irq_type(gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), IRQ_TYPE_EDGE_FALLING);
75 platform_device_register(&asix_device);
76}
77#else
78static inline void __init colibri_pxa300_init_eth(void) {}
79#endif /* CONFIG_AX88796 */
80
81#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
82static mfp_cfg_t colibri_pxa300_usb_pin_config[] __initdata = {
83 GPIO0_2_USBH_PEN,
84 GPIO1_2_USBH_PWR,
85};
86
87static struct pxaohci_platform_data colibri_pxa300_ohci_info = {
88 .port_mode = PMM_GLOBAL_MODE,
89 .flags = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
90};
91
92void __init colibri_pxa300_init_ohci(void)
93{
94 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_usb_pin_config));
95 pxa_set_ohci_info(&colibri_pxa300_ohci_info);
96}
97#else
98static inline void colibri_pxa300_init_ohci(void) {}
99#endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
100
101static mfp_cfg_t colibri_pxa300_mmc_pin_config[] __initdata = {
102 GPIO7_MMC1_CLK,
103 GPIO14_MMC1_CMD,
104 GPIO3_MMC1_DAT0,
105 GPIO4_MMC1_DAT1,
106 GPIO5_MMC1_DAT2,
107 GPIO6_MMC1_DAT3,
108};
109
110#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
111static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
112 GPIO54_LCD_LDD_0,
113 GPIO55_LCD_LDD_1,
114 GPIO56_LCD_LDD_2,
115 GPIO57_LCD_LDD_3,
116 GPIO58_LCD_LDD_4,
117 GPIO59_LCD_LDD_5,
118 GPIO60_LCD_LDD_6,
119 GPIO61_LCD_LDD_7,
120 GPIO62_LCD_LDD_8,
121 GPIO63_LCD_LDD_9,
122 GPIO64_LCD_LDD_10,
123 GPIO65_LCD_LDD_11,
124 GPIO66_LCD_LDD_12,
125 GPIO67_LCD_LDD_13,
126 GPIO68_LCD_LDD_14,
127 GPIO69_LCD_LDD_15,
128 GPIO70_LCD_LDD_16,
129 GPIO71_LCD_LDD_17,
130 GPIO62_LCD_CS_N,
131 GPIO72_LCD_FCLK,
132 GPIO73_LCD_LCLK,
133 GPIO74_LCD_PCLK,
134 GPIO75_LCD_BIAS,
135 GPIO76_LCD_VSYNC,
136};
137
138static void __init colibri_pxa300_init_lcd(void)
139{
140 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
141}
142
143#else
144static inline void colibri_pxa300_init_lcd(void) {}
145#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
146
147#if defined(SND_AC97_CODEC) || defined(SND_AC97_CODEC_MODULE)
148static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
149 GPIO24_AC97_SYSCLK,
150 GPIO23_AC97_nACRESET,
151 GPIO25_AC97_SDATA_IN_0,
152 GPIO27_AC97_SDATA_OUT,
153 GPIO28_AC97_SYNC,
154 GPIO29_AC97_BITCLK
155};
156
157static inline void __init colibri_pxa310_init_ac97(void)
158{
159 /* no AC97 codec on Colibri PXA300 */
160 if (!cpu_is_pxa310())
161 return;
162
163 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
164 pxa_set_ac97_info(NULL);
165}
166#else
167static inline void colibri_pxa310_init_ac97(void) {}
168#endif
169
170void __init colibri_pxa300_init(void)
171{
172 colibri_pxa300_init_eth();
173 colibri_pxa300_init_ohci();
174 colibri_pxa300_init_lcd();
175 colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
176 colibri_pxa310_init_ac97();
177 colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa300_mmc_pin_config),
178 mfp_to_gpio(MFP_PIN_GPIO13));
179}
180
181MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
182 .phys_io = 0x40000000,
183 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
184 .boot_params = COLIBRI_SDRAM_BASE + 0x100,
185 .init_machine = colibri_pxa300_init,
186 .map_io = pxa_map_io,
187 .init_irq = pxa3xx_init_irq,
188 .timer = &pxa_timer,
189MACHINE_END
190
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-22 14:35:13 -0500