Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-sa1100/simpad.c | |
3 | */ | |
4 | ||
1da177e4 LT |
5 | #include <linux/module.h> |
6 | #include <linux/init.h> | |
7 | #include <linux/kernel.h> | |
8 | #include <linux/tty.h> | |
9 | #include <linux/proc_fs.h> | |
10 | #include <linux/string.h> | |
11 | #include <linux/pm.h> | |
d052d1be | 12 | #include <linux/platform_device.h> |
1da177e4 LT |
13 | #include <linux/mtd/mtd.h> |
14 | #include <linux/mtd/partitions.h> | |
fced80c7 | 15 | #include <linux/io.h> |
1da177e4 LT |
16 | |
17 | #include <asm/irq.h> | |
a09e64fb | 18 | #include <mach/hardware.h> |
1da177e4 LT |
19 | #include <asm/setup.h> |
20 | ||
21 | #include <asm/mach-types.h> | |
22 | #include <asm/mach/arch.h> | |
23 | #include <asm/mach/flash.h> | |
24 | #include <asm/mach/map.h> | |
25 | #include <asm/mach/serial_sa1100.h> | |
a09e64fb RK |
26 | #include <mach/mcp.h> |
27 | #include <mach/simpad.h> | |
1da177e4 LT |
28 | |
29 | #include <linux/serial_core.h> | |
30 | #include <linux/ioport.h> | |
1da177e4 LT |
31 | |
32 | #include "generic.h" | |
33 | ||
34 | long cs3_shadow; | |
35 | ||
36 | long get_cs3_shadow(void) | |
37 | { | |
38 | return cs3_shadow; | |
39 | } | |
40 | ||
41 | void set_cs3(long value) | |
42 | { | |
43 | *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow = value; | |
44 | } | |
45 | ||
46 | void set_cs3_bit(int value) | |
47 | { | |
48 | cs3_shadow |= value; | |
49 | *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow; | |
50 | } | |
51 | ||
52 | void clear_cs3_bit(int value) | |
53 | { | |
54 | cs3_shadow &= ~value; | |
55 | *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow; | |
56 | } | |
57 | ||
58 | EXPORT_SYMBOL(set_cs3_bit); | |
59 | EXPORT_SYMBOL(clear_cs3_bit); | |
60 | ||
61 | static struct map_desc simpad_io_desc[] __initdata = { | |
92519d82 DS |
62 | { /* MQ200 */ |
63 | .virtual = 0xf2800000, | |
64 | .pfn = __phys_to_pfn(0x4b800000), | |
65 | .length = 0x00800000, | |
66 | .type = MT_DEVICE | |
67 | }, { /* Paules CS3, write only */ | |
68 | .virtual = 0xf1000000, | |
69 | .pfn = __phys_to_pfn(0x18000000), | |
70 | .length = 0x00100000, | |
71 | .type = MT_DEVICE | |
72 | }, | |
1da177e4 LT |
73 | }; |
74 | ||
75 | ||
76 | static void simpad_uart_pm(struct uart_port *port, u_int state, u_int oldstate) | |
77 | { | |
78 | if (port->mapbase == (u_int)&Ser1UTCR0) { | |
79 | if (state) | |
80 | { | |
81 | clear_cs3_bit(RS232_ON); | |
82 | clear_cs3_bit(DECT_POWER_ON); | |
83 | }else | |
84 | { | |
85 | set_cs3_bit(RS232_ON); | |
86 | set_cs3_bit(DECT_POWER_ON); | |
87 | } | |
88 | } | |
89 | } | |
90 | ||
91 | static struct sa1100_port_fns simpad_port_fns __initdata = { | |
92 | .pm = simpad_uart_pm, | |
93 | }; | |
94 | ||
95 | ||
96 | static struct mtd_partition simpad_partitions[] = { | |
97 | { | |
98 | .name = "SIMpad boot firmware", | |
99 | .size = 0x00080000, | |
100 | .offset = 0, | |
101 | .mask_flags = MTD_WRITEABLE, | |
102 | }, { | |
103 | .name = "SIMpad kernel", | |
104 | .size = 0x0010000, | |
105 | .offset = MTDPART_OFS_APPEND, | |
106 | }, { | |
107 | .name = "SIMpad root jffs2", | |
108 | .size = MTDPART_SIZ_FULL, | |
109 | .offset = MTDPART_OFS_APPEND, | |
110 | } | |
111 | }; | |
112 | ||
113 | static struct flash_platform_data simpad_flash_data = { | |
114 | .map_name = "cfi_probe", | |
115 | .parts = simpad_partitions, | |
116 | .nr_parts = ARRAY_SIZE(simpad_partitions), | |
117 | }; | |
118 | ||
119 | ||
120 | static struct resource simpad_flash_resources [] = { | |
121 | { | |
122 | .start = SA1100_CS0_PHYS, | |
123 | .end = SA1100_CS0_PHYS + SZ_16M -1, | |
124 | .flags = IORESOURCE_MEM, | |
125 | }, { | |
126 | .start = SA1100_CS1_PHYS, | |
127 | .end = SA1100_CS1_PHYS + SZ_16M -1, | |
128 | .flags = IORESOURCE_MEM, | |
129 | } | |
130 | }; | |
131 | ||
323cdfc1 RK |
132 | static struct mcp_plat_data simpad_mcp_data = { |
133 | .mccr0 = MCCR0_ADM, | |
134 | .sclk_rate = 11981000, | |
135 | }; | |
136 | ||
1da177e4 LT |
137 | |
138 | ||
139 | static void __init simpad_map_io(void) | |
140 | { | |
141 | sa1100_map_io(); | |
142 | ||
143 | iotable_init(simpad_io_desc, ARRAY_SIZE(simpad_io_desc)); | |
144 | ||
145 | set_cs3_bit (EN1 | EN0 | LED2_ON | DISPLAY_ON | RS232_ON | | |
146 | ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON); | |
147 | ||
148 | ||
149 | sa1100_register_uart_fns(&simpad_port_fns); | |
150 | sa1100_register_uart(0, 3); /* serial interface */ | |
151 | sa1100_register_uart(1, 1); /* DECT */ | |
152 | ||
153 | // Reassign UART 1 pins | |
154 | GAFR |= GPIO_UART_TXD | GPIO_UART_RXD; | |
155 | GPDR |= GPIO_UART_TXD | GPIO_LDD13 | GPIO_LDD15; | |
156 | GPDR &= ~GPIO_UART_RXD; | |
157 | PPAR |= PPAR_UPR; | |
158 | ||
159 | /* | |
160 | * Set up registers for sleep mode. | |
161 | */ | |
162 | ||
163 | ||
164 | PWER = PWER_GPIO0| PWER_RTC; | |
165 | PGSR = 0x818; | |
166 | PCFR = 0; | |
167 | PSDR = 0; | |
168 | ||
7a5b4e16 | 169 | sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources, |
1da177e4 | 170 | ARRAY_SIZE(simpad_flash_resources)); |
7a5b4e16 | 171 | sa11x0_register_mcp(&simpad_mcp_data); |
1da177e4 LT |
172 | } |
173 | ||
174 | static void simpad_power_off(void) | |
175 | { | |
176 | local_irq_disable(); // was cli | |
177 | set_cs3(0x800); /* only SD_MEDIAQ */ | |
178 | ||
179 | /* disable internal oscillator, float CS lines */ | |
180 | PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS); | |
181 | /* enable wake-up on GPIO0 (Assabet...) */ | |
182 | PWER = GFER = GRER = 1; | |
183 | /* | |
184 | * set scratchpad to zero, just in case it is used as a | |
185 | * restart address by the bootloader. | |
186 | */ | |
187 | PSPR = 0; | |
188 | PGSR = 0; | |
189 | /* enter sleep mode */ | |
190 | PMCR = PMCR_SF; | |
191 | while(1); | |
192 | ||
193 | local_irq_enable(); /* we won't ever call it */ | |
194 | ||
195 | ||
196 | } | |
197 | ||
198 | ||
199 | /* | |
200 | * MediaQ Video Device | |
201 | */ | |
202 | static struct platform_device simpad_mq200fb = { | |
203 | .name = "simpad-mq200", | |
204 | .id = 0, | |
205 | }; | |
206 | ||
207 | static struct platform_device *devices[] __initdata = { | |
208 | &simpad_mq200fb | |
209 | }; | |
210 | ||
211 | ||
212 | ||
213 | static int __init simpad_init(void) | |
214 | { | |
215 | int ret; | |
216 | ||
217 | pm_power_off = simpad_power_off; | |
218 | ||
219 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); | |
220 | if(ret) | |
221 | printk(KERN_WARNING "simpad: Unable to register mq200 framebuffer device"); | |
222 | ||
223 | return 0; | |
224 | } | |
225 | ||
226 | arch_initcall(simpad_init); | |
227 | ||
228 | ||
229 | MACHINE_START(SIMPAD, "Simpad") | |
e9dea0c6 | 230 | /* Maintainer: Holger Freyther */ |
e9dea0c6 RK |
231 | .phys_io = 0x80000000, |
232 | .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, | |
233 | .boot_params = 0xc0000100, | |
234 | .map_io = simpad_map_io, | |
235 | .init_irq = sa1100_init_irq, | |
1da177e4 LT |
236 | .timer = &sa1100_timer, |
237 | MACHINE_END |