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01215e35 EM |
1 | /* |
2 | * linux/arch/arm/mach-mmp/ttc_dkb.c | |
3 | * | |
4 | * Support for the Marvell PXA910-based TTC_DKB Development Platform. | |
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 | * publishhed by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/init.h> | |
12 | #include <linux/kernel.h> | |
13 | #include <linux/platform_device.h> | |
d6587c34 HZ |
14 | #include <linux/mtd/mtd.h> |
15 | #include <linux/mtd/partitions.h> | |
16 | #include <linux/mtd/onenand.h> | |
0bd86961 | 17 | #include <linux/interrupt.h> |
e04eb14f HZ |
18 | #include <linux/i2c/pca953x.h> |
19 | #include <linux/gpio.h> | |
01215e35 EM |
20 | |
21 | #include <asm/mach-types.h> | |
22 | #include <asm/mach/arch.h> | |
d6587c34 | 23 | #include <asm/mach/flash.h> |
01215e35 EM |
24 | #include <mach/addr-map.h> |
25 | #include <mach/mfp-pxa910.h> | |
26 | #include <mach/pxa910.h> | |
1a8d5fab | 27 | #include <mach/irqs.h> |
01215e35 EM |
28 | |
29 | #include "common.h" | |
30 | ||
1a8d5fab | 31 | #define TTCDKB_GPIO_EXT0(x) (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 : \ |
e04eb14f | 32 | ((x < 16) ? x : 15))) |
1a8d5fab | 33 | #define TTCDKB_GPIO_EXT1(x) (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \ |
e04eb14f HZ |
34 | ((x < 16) ? x : 15))) |
35 | ||
36 | /* | |
37 | * 16 board interrupts -- MAX7312 GPIO expander | |
38 | * 16 board interrupts -- PCA9575 GPIO expander | |
39 | * 24 board interrupts -- 88PM860x PMIC | |
40 | */ | |
41 | #define TTCDKB_NR_IRQS (IRQ_BOARD_START + 16 + 16 + 24) | |
0bd86961 | 42 | |
01215e35 EM |
43 | static unsigned long ttc_dkb_pin_config[] __initdata = { |
44 | /* UART2 */ | |
45 | GPIO47_UART2_RXD, | |
46 | GPIO48_UART2_TXD, | |
d6587c34 HZ |
47 | |
48 | /* DFI */ | |
49 | DF_IO0_ND_IO0, | |
50 | DF_IO1_ND_IO1, | |
51 | DF_IO2_ND_IO2, | |
52 | DF_IO3_ND_IO3, | |
53 | DF_IO4_ND_IO4, | |
54 | DF_IO5_ND_IO5, | |
55 | DF_IO6_ND_IO6, | |
56 | DF_IO7_ND_IO7, | |
57 | DF_IO8_ND_IO8, | |
58 | DF_IO9_ND_IO9, | |
59 | DF_IO10_ND_IO10, | |
60 | DF_IO11_ND_IO11, | |
61 | DF_IO12_ND_IO12, | |
62 | DF_IO13_ND_IO13, | |
63 | DF_IO14_ND_IO14, | |
64 | DF_IO15_ND_IO15, | |
65 | DF_nCS0_SM_nCS2_nCS0, | |
66 | DF_ALE_SM_WEn_ND_ALE, | |
67 | DF_CLE_SM_OEn_ND_CLE, | |
68 | DF_WEn_DF_WEn, | |
69 | DF_REn_DF_REn, | |
70 | DF_RDY0_DF_RDY0, | |
71 | }; | |
72 | ||
73 | static struct mtd_partition ttc_dkb_onenand_partitions[] = { | |
74 | { | |
75 | .name = "bootloader", | |
76 | .offset = 0, | |
77 | .size = SZ_1M, | |
78 | .mask_flags = MTD_WRITEABLE, | |
79 | }, { | |
80 | .name = "reserved", | |
81 | .offset = MTDPART_OFS_APPEND, | |
82 | .size = SZ_128K, | |
83 | .mask_flags = MTD_WRITEABLE, | |
84 | }, { | |
85 | .name = "reserved", | |
86 | .offset = MTDPART_OFS_APPEND, | |
87 | .size = SZ_8M, | |
88 | .mask_flags = MTD_WRITEABLE, | |
89 | }, { | |
90 | .name = "kernel", | |
91 | .offset = MTDPART_OFS_APPEND, | |
92 | .size = (SZ_2M + SZ_1M), | |
93 | .mask_flags = 0, | |
94 | }, { | |
95 | .name = "filesystem", | |
96 | .offset = MTDPART_OFS_APPEND, | |
3f8e2880 | 97 | .size = SZ_32M + SZ_16M, |
d6587c34 HZ |
98 | .mask_flags = 0, |
99 | } | |
100 | }; | |
101 | ||
d6223871 | 102 | static struct onenand_platform_data ttc_dkb_onenand_info = { |
d6587c34 HZ |
103 | .parts = ttc_dkb_onenand_partitions, |
104 | .nr_parts = ARRAY_SIZE(ttc_dkb_onenand_partitions), | |
105 | }; | |
106 | ||
107 | static struct resource ttc_dkb_resource_onenand[] = { | |
108 | [0] = { | |
109 | .start = SMC_CS0_PHYS_BASE, | |
110 | .end = SMC_CS0_PHYS_BASE + SZ_1M, | |
111 | .flags = IORESOURCE_MEM, | |
112 | }, | |
113 | }; | |
114 | ||
115 | static struct platform_device ttc_dkb_device_onenand = { | |
116 | .name = "onenand-flash", | |
117 | .id = -1, | |
118 | .resource = ttc_dkb_resource_onenand, | |
119 | .num_resources = ARRAY_SIZE(ttc_dkb_resource_onenand), | |
120 | .dev = { | |
121 | .platform_data = &ttc_dkb_onenand_info, | |
122 | }, | |
123 | }; | |
124 | ||
125 | static struct platform_device *ttc_dkb_devices[] = { | |
157d2644 | 126 | &pxa910_device_gpio, |
d6587c34 | 127 | &ttc_dkb_device_onenand, |
01215e35 EM |
128 | }; |
129 | ||
e04eb14f HZ |
130 | static struct pca953x_platform_data max7312_data[] = { |
131 | { | |
132 | .gpio_base = TTCDKB_GPIO_EXT0(0), | |
133 | .irq_base = IRQ_BOARD_START, | |
134 | }, | |
135 | }; | |
136 | ||
137 | static struct i2c_board_info ttc_dkb_i2c_info[] = { | |
138 | { | |
139 | .type = "max7312", | |
140 | .addr = 0x23, | |
1a8d5fab | 141 | .irq = MMP_GPIO_TO_IRQ(80), |
e04eb14f HZ |
142 | .platform_data = &max7312_data, |
143 | }, | |
144 | }; | |
145 | ||
01215e35 EM |
146 | static void __init ttc_dkb_init(void) |
147 | { | |
148 | mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config)); | |
149 | ||
150 | /* on-chip devices */ | |
151 | pxa910_add_uart(1); | |
d6587c34 HZ |
152 | |
153 | /* off-chip devices */ | |
e04eb14f | 154 | pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info)); |
d6587c34 | 155 | platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices)); |
01215e35 EM |
156 | } |
157 | ||
158 | MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform") | |
8022887c | 159 | .map_io = mmp_map_io, |
0bd86961 | 160 | .nr_irqs = TTCDKB_NR_IRQS, |
01215e35 EM |
161 | .init_irq = pxa910_init_irq, |
162 | .timer = &pxa910_timer, | |
163 | .init_machine = ttc_dkb_init, | |
9854a38e | 164 | .restart = mmp_restart, |
01215e35 | 165 | MACHINE_END |