diff options
Diffstat (limited to 'arch/arm/mach-sa1100/pleb.c')
-rw-r--r-- | arch/arm/mach-sa1100/pleb.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/pleb.c b/arch/arm/mach-sa1100/pleb.c new file mode 100644 index 000000000000..5606bd71b024 --- /dev/null +++ b/arch/arm/mach-sa1100/pleb.c | |||
@@ -0,0 +1,154 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-sa1100/pleb.c | ||
3 | */ | ||
4 | |||
5 | #include <linux/init.h> | ||
6 | #include <linux/kernel.h> | ||
7 | #include <linux/tty.h> | ||
8 | #include <linux/ioport.h> | ||
9 | #include <linux/device.h> | ||
10 | |||
11 | #include <linux/mtd/partitions.h> | ||
12 | |||
13 | #include <asm/hardware.h> | ||
14 | #include <asm/io.h> | ||
15 | #include <asm/setup.h> | ||
16 | #include <asm/mach-types.h> | ||
17 | |||
18 | #include <asm/mach/arch.h> | ||
19 | #include <asm/mach/map.h> | ||
20 | #include <asm/mach/flash.h> | ||
21 | #include <asm/mach/serial_sa1100.h> | ||
22 | #include <asm/arch/irqs.h> | ||
23 | |||
24 | #include "generic.h" | ||
25 | |||
26 | |||
27 | /* | ||
28 | * Ethernet IRQ mappings | ||
29 | */ | ||
30 | |||
31 | #define PLEB_ETH0_P (0x20000300) /* Ethernet 0 in PCMCIA0 IO */ | ||
32 | #define PLEB_ETH0_V (0xf6000300) | ||
33 | |||
34 | #define GPIO_ETH0_IRQ GPIO_GPIO(21) | ||
35 | #define GPIO_ETH0_EN GPIO_GPIO(26) | ||
36 | |||
37 | #define IRQ_GPIO_ETH0_IRQ IRQ_GPIO21 | ||
38 | |||
39 | static struct resource smc91x_resources[] = { | ||
40 | [0] = { | ||
41 | .start = PLEB_ETH0_P, | ||
42 | .end = PLEB_ETH0_P | 0x03ffffff, | ||
43 | .flags = IORESOURCE_MEM, | ||
44 | }, | ||
45 | #if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */ | ||
46 | [1] = { | ||
47 | .start = IRQ_GPIO_ETH0_IRQ, | ||
48 | .end = IRQ_GPIO_ETH0_IRQ, | ||
49 | .flags = IORESOURCE_IRQ, | ||
50 | }, | ||
51 | #endif | ||
52 | }; | ||
53 | |||
54 | |||
55 | static struct platform_device smc91x_device = { | ||
56 | .name = "smc91x", | ||
57 | .id = 0, | ||
58 | .num_resources = ARRAY_SIZE(smc91x_resources), | ||
59 | .resource = smc91x_resources, | ||
60 | }; | ||
61 | |||
62 | static struct platform_device *devices[] __initdata = { | ||
63 | &smc91x_device, | ||
64 | }; | ||
65 | |||
66 | |||
67 | /* | ||
68 | * Pleb's memory map | ||
69 | * has flash memory (typically 4 or 8 meg) selected by | ||
70 | * the two SA1100 lowest chip select outputs. | ||
71 | */ | ||
72 | static struct resource pleb_flash_resources[] = { | ||
73 | [0] = { | ||
74 | .start = SA1100_CS0_PHYS, | ||
75 | .end = SA1100_CS0_PHYS + SZ_8M - 1, | ||
76 | .flags = IORESOURCE_MEM, | ||
77 | }, | ||
78 | [1] = { | ||
79 | .start = SA1100_CS1_PHYS, | ||
80 | .end = SA1100_CS1_PHYS + SZ_8M - 1, | ||
81 | .flags = IORESOURCE_MEM, | ||
82 | } | ||
83 | }; | ||
84 | |||
85 | |||
86 | static struct mtd_partition pleb_partitions[] = { | ||
87 | { | ||
88 | .name = "blob", | ||
89 | .offset = 0, | ||
90 | .size = 0x00020000, | ||
91 | }, { | ||
92 | .name = "kernel", | ||
93 | .offset = MTDPART_OFS_APPEND, | ||
94 | .size = 0x000e0000, | ||
95 | }, { | ||
96 | .name = "rootfs", | ||
97 | .offset = MTDPART_OFS_APPEND, | ||
98 | .size = 0x00300000, | ||
99 | } | ||
100 | }; | ||
101 | |||
102 | |||
103 | static struct flash_platform_data pleb_flash_data = { | ||
104 | .map_name = "cfi_probe", | ||
105 | .parts = pleb_partitions, | ||
106 | .nr_parts = ARRAY_SIZE(pleb_partitions), | ||
107 | }; | ||
108 | |||
109 | |||
110 | static void __init pleb_init(void) | ||
111 | { | ||
112 | sa11x0_set_flash_data(&pleb_flash_data, pleb_flash_resources, | ||
113 | ARRAY_SIZE(pleb_flash_resources)); | ||
114 | |||
115 | |||
116 | platform_add_devices(devices, ARRAY_SIZE(devices)); | ||
117 | } | ||
118 | |||
119 | |||
120 | static void __init pleb_map_io(void) | ||
121 | { | ||
122 | sa1100_map_io(); | ||
123 | |||
124 | sa1100_register_uart(0, 3); | ||
125 | sa1100_register_uart(1, 1); | ||
126 | |||
127 | GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD); | ||
128 | GPDR |= GPIO_UART_TXD; | ||
129 | GPDR &= ~GPIO_UART_RXD; | ||
130 | PPAR |= PPAR_UPR; | ||
131 | |||
132 | /* | ||
133 | * Fix expansion memory timing for network card | ||
134 | */ | ||
135 | MECR = ((2<<10) | (2<<5) | (2<<0)); | ||
136 | |||
137 | /* | ||
138 | * Enable the SMC ethernet controller | ||
139 | */ | ||
140 | GPDR |= GPIO_ETH0_EN; /* set to output */ | ||
141 | GPCR = GPIO_ETH0_EN; /* clear MCLK (enable smc) */ | ||
142 | |||
143 | GPDR &= ~GPIO_ETH0_IRQ; | ||
144 | |||
145 | set_irq_type(GPIO_ETH0_IRQ, IRQT_FALLING); | ||
146 | } | ||
147 | |||
148 | MACHINE_START(PLEB, "PLEB") | ||
149 | BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000) | ||
150 | MAPIO(pleb_map_io) | ||
151 | INITIRQ(sa1100_init_irq) | ||
152 | .timer = &sa1100_timer, | ||
153 | .init_machine = pleb_init, | ||
154 | MACHINE_END | ||