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ded5431f MB |
1 | /* |
2 | * linux/arch/sh/boards/magicpanel/setup.c | |
3 | * | |
4 | * Copyright (C) 2007 Markus Brunner, Mark Jonas | |
5 | * | |
6 | * Magic Panel Release 2 board setup | |
7 | * | |
8 | * This file is subject to the terms and conditions of the GNU General Public | |
9 | * License. See the file "COPYING" in the main directory of this archive | |
10 | * for more details. | |
11 | */ | |
12 | #include <linux/init.h> | |
13 | #include <linux/irq.h> | |
14 | #include <linux/platform_device.h> | |
ded5431f | 15 | #include <linux/delay.h> |
843284d0 | 16 | #include <linux/gpio.h> |
02da916a | 17 | #include <linux/smsc911x.h> |
e87ab0c4 MB |
18 | #include <linux/mtd/mtd.h> |
19 | #include <linux/mtd/partitions.h> | |
20 | #include <linux/mtd/physmap.h> | |
21 | #include <linux/mtd/map.h> | |
7639a454 | 22 | #include <mach/magicpanelr2.h> |
ded5431f | 23 | #include <asm/heartbeat.h> |
f7275650 | 24 | #include <cpu/sh7720.h> |
ded5431f | 25 | |
9d56dd3b | 26 | #define LAN9115_READY (__raw_readl(0xA8000084UL) & 0x00000001UL) |
ded5431f | 27 | |
e87ab0c4 MB |
28 | /* Prefer cmdline over RedBoot */ |
29 | static const char *probes[] = { "cmdlinepart", "RedBoot", NULL }; | |
30 | ||
ded5431f MB |
31 | /* Wait until reset finished. Timeout is 100ms. */ |
32 | static int __init ethernet_reset_finished(void) | |
33 | { | |
34 | int i; | |
35 | ||
36 | if (LAN9115_READY) | |
37 | return 1; | |
38 | ||
39 | for (i = 0; i < 10; ++i) { | |
40 | mdelay(10); | |
41 | if (LAN9115_READY) | |
42 | return 1; | |
43 | } | |
44 | ||
45 | return 0; | |
46 | } | |
47 | ||
48 | static void __init reset_ethernet(void) | |
49 | { | |
50 | /* PMDR: LAN_RESET=on */ | |
51 | CLRBITS_OUTB(0x10, PORT_PMDR); | |
52 | ||
53 | udelay(200); | |
54 | ||
55 | /* PMDR: LAN_RESET=off */ | |
56 | SETBITS_OUTB(0x10, PORT_PMDR); | |
57 | } | |
58 | ||
59 | static void __init setup_chip_select(void) | |
60 | { | |
61 | /* CS2: LAN (0x08000000 - 0x0bffffff) */ | |
62 | /* no idle cycles, normal space, 8 bit data bus */ | |
9d56dd3b | 63 | __raw_writel(0x36db0400, CS2BCR); |
ded5431f | 64 | /* (SW:1.5 WR:3 HW:1.5), ext. wait */ |
9d56dd3b | 65 | __raw_writel(0x000003c0, CS2WCR); |
ded5431f MB |
66 | |
67 | /* CS4: CAN1 (0xb0000000 - 0xb3ffffff) */ | |
68 | /* no idle cycles, normal space, 8 bit data bus */ | |
9d56dd3b | 69 | __raw_writel(0x00000200, CS4BCR); |
ded5431f | 70 | /* (SW:1.5 WR:3 HW:1.5), ext. wait */ |
9d56dd3b | 71 | __raw_writel(0x00100981, CS4WCR); |
ded5431f MB |
72 | |
73 | /* CS5a: CAN2 (0xb4000000 - 0xb5ffffff) */ | |
74 | /* no idle cycles, normal space, 8 bit data bus */ | |
9d56dd3b | 75 | __raw_writel(0x00000200, CS5ABCR); |
ded5431f | 76 | /* (SW:1.5 WR:3 HW:1.5), ext. wait */ |
9d56dd3b | 77 | __raw_writel(0x00100981, CS5AWCR); |
ded5431f MB |
78 | |
79 | /* CS5b: CAN3 (0xb6000000 - 0xb7ffffff) */ | |
80 | /* no idle cycles, normal space, 8 bit data bus */ | |
9d56dd3b | 81 | __raw_writel(0x00000200, CS5BBCR); |
ded5431f | 82 | /* (SW:1.5 WR:3 HW:1.5), ext. wait */ |
9d56dd3b | 83 | __raw_writel(0x00100981, CS5BWCR); |
ded5431f MB |
84 | |
85 | /* CS6a: Rotary (0xb8000000 - 0xb9ffffff) */ | |
86 | /* no idle cycles, normal space, 8 bit data bus */ | |
9d56dd3b | 87 | __raw_writel(0x00000200, CS6ABCR); |
ded5431f | 88 | /* (SW:1.5 WR:3 HW:1.5), no ext. wait */ |
9d56dd3b | 89 | __raw_writel(0x001009C1, CS6AWCR); |
ded5431f MB |
90 | } |
91 | ||
92 | static void __init setup_port_multiplexing(void) | |
93 | { | |
94 | /* A7 GPO(LED8); A6 GPO(LED7); A5 GPO(LED6); A4 GPO(LED5); | |
95 | * A3 GPO(LED4); A2 GPO(LED3); A1 GPO(LED2); A0 GPO(LED1); | |
96 | */ | |
9d56dd3b | 97 | __raw_writew(0x5555, PORT_PACR); /* 01 01 01 01 01 01 01 01 */ |
ded5431f MB |
98 | |
99 | /* B7 GPO(RST4); B6 GPO(RST3); B5 GPO(RST2); B4 GPO(RST1); | |
100 | * B3 GPO(PB3); B2 GPO(PB2); B1 GPO(PB1); B0 GPO(PB0); | |
101 | */ | |
9d56dd3b | 102 | __raw_writew(0x5555, PORT_PBCR); /* 01 01 01 01 01 01 01 01 */ |
ded5431f MB |
103 | |
104 | /* C7 GPO(PC7); C6 GPO(PC6); C5 GPO(PC5); C4 GPO(PC4); | |
105 | * C3 LCD_DATA3; C2 LCD_DATA2; C1 LCD_DATA1; C0 LCD_DATA0; | |
106 | */ | |
9d56dd3b | 107 | __raw_writew(0x5500, PORT_PCCR); /* 01 01 01 01 00 00 00 00 */ |
ded5431f MB |
108 | |
109 | /* D7 GPO(PD7); D6 GPO(PD6); D5 GPO(PD5); D4 GPO(PD4); | |
110 | * D3 GPO(PD3); D2 GPO(PD2); D1 GPO(PD1); D0 GPO(PD0); | |
111 | */ | |
9d56dd3b | 112 | __raw_writew(0x5555, PORT_PDCR); /* 01 01 01 01 01 01 01 01 */ |
ded5431f MB |
113 | |
114 | /* E7 (x); E6 GPI(nu); E5 GPI(nu); E4 LCD_M_DISP; | |
115 | * E3 LCD_CL1; E2 LCD_CL2; E1 LCD_DON; E0 LCD_FLM; | |
116 | */ | |
9d56dd3b | 117 | __raw_writew(0x3C00, PORT_PECR); /* 00 11 11 00 00 00 00 00 */ |
ded5431f MB |
118 | |
119 | /* F7 (x); F6 DA1(VLCD); F5 DA0(nc); F4 AN3; | |
120 | * F3 AN2(MID_AD); F2 AN1(EARTH_AD); F1 AN0(TEMP); F0 GPI+(nc); | |
121 | */ | |
9d56dd3b | 122 | __raw_writew(0x0002, PORT_PFCR); /* 00 00 00 00 00 00 00 10 */ |
ded5431f MB |
123 | |
124 | /* G7 (x); G6 IRQ5(TOUCH_BUSY); G5 IRQ4(TOUCH_IRQ); G4 GPI(KEY2); | |
125 | * G3 GPI(KEY1); G2 GPO(LED11); G1 GPO(LED10); G0 GPO(LED9); | |
126 | */ | |
9d56dd3b | 127 | __raw_writew(0x03D5, PORT_PGCR); /* 00 00 00 11 11 01 01 01 */ |
ded5431f MB |
128 | |
129 | /* H7 (x); H6 /RAS(BRAS); H5 /CAS(BCAS); H4 CKE(BCKE); | |
130 | * H3 GPO(EARTH_OFF); H2 GPO(EARTH_TEST); H1 USB2_PWR; H0 USB1_PWR; | |
131 | */ | |
9d56dd3b | 132 | __raw_writew(0x0050, PORT_PHCR); /* 00 00 00 00 01 01 00 00 */ |
ded5431f MB |
133 | |
134 | /* J7 (x); J6 AUDCK; J5 ASEBRKAK; J4 AUDATA3; | |
135 | * J3 AUDATA2; J2 AUDATA1; J1 AUDATA0; J0 AUDSYNC; | |
136 | */ | |
9d56dd3b | 137 | __raw_writew(0x0000, PORT_PJCR); /* 00 00 00 00 00 00 00 00 */ |
ded5431f MB |
138 | |
139 | /* K7 (x); K6 (x); K5 (x); K4 (x); | |
140 | * K3 PINT7(/PWR2); K2 PINT6(/PWR1); K1 PINT5(nu); K0 PINT4(FLASH_READY) | |
141 | */ | |
9d56dd3b | 142 | __raw_writew(0x00FF, PORT_PKCR); /* 00 00 00 00 11 11 11 11 */ |
ded5431f MB |
143 | |
144 | /* L7 TRST; L6 TMS; L5 TDO; L4 TDI; | |
145 | * L3 TCK; L2 (x); L1 (x); L0 (x); | |
146 | */ | |
9d56dd3b | 147 | __raw_writew(0x0000, PORT_PLCR); /* 00 00 00 00 00 00 00 00 */ |
ded5431f MB |
148 | |
149 | /* M7 GPO(CURRENT_SINK); M6 GPO(PWR_SWITCH); M5 GPO(LAN_SPEED); | |
150 | * M4 GPO(LAN_RESET); M3 GPO(BUZZER); M2 GPO(LCD_BL); | |
151 | * M1 CS5B(CAN3_CS); M0 GPI+(nc); | |
152 | */ | |
9d56dd3b | 153 | __raw_writew(0x5552, PORT_PMCR); /* 01 01 01 01 01 01 00 10 */ |
ded5431f MB |
154 | |
155 | /* CURRENT_SINK=off, PWR_SWITCH=off, LAN_SPEED=100MBit, | |
156 | * LAN_RESET=off, BUZZER=off, LCD_BL=off | |
157 | */ | |
158 | #if CONFIG_SH_MAGIC_PANEL_R2_VERSION == 2 | |
9d56dd3b | 159 | __raw_writeb(0x30, PORT_PMDR); |
ded5431f | 160 | #elif CONFIG_SH_MAGIC_PANEL_R2_VERSION == 3 |
9d56dd3b | 161 | __raw_writeb(0xF0, PORT_PMDR); |
ded5431f MB |
162 | #else |
163 | #error Unknown revision of PLATFORM_MP_R2 | |
164 | #endif | |
165 | ||
166 | /* P7 (x); P6 (x); P5 (x); | |
167 | * P4 GPO(nu); P3 IRQ3(LAN_IRQ); P2 IRQ2(CAN3_IRQ); | |
168 | * P1 IRQ1(CAN2_IRQ); P0 IRQ0(CAN1_IRQ) | |
169 | */ | |
9d56dd3b PM |
170 | __raw_writew(0x0100, PORT_PPCR); /* 00 00 00 01 00 00 00 00 */ |
171 | __raw_writeb(0x10, PORT_PPDR); | |
ded5431f MB |
172 | |
173 | /* R7 A25; R6 A24; R5 A23; R4 A22; | |
174 | * R3 A21; R2 A20; R1 A19; R0 A0; | |
175 | */ | |
843284d0 MD |
176 | gpio_request(GPIO_FN_A25, NULL); |
177 | gpio_request(GPIO_FN_A24, NULL); | |
178 | gpio_request(GPIO_FN_A23, NULL); | |
179 | gpio_request(GPIO_FN_A22, NULL); | |
180 | gpio_request(GPIO_FN_A21, NULL); | |
181 | gpio_request(GPIO_FN_A20, NULL); | |
182 | gpio_request(GPIO_FN_A19, NULL); | |
183 | gpio_request(GPIO_FN_A0, NULL); | |
ded5431f MB |
184 | |
185 | /* S7 (x); S6 (x); S5 (x); S4 GPO(EEPROM_CS2); | |
186 | * S3 GPO(EEPROM_CS1); S2 SIOF0_TXD; S1 SIOF0_RXD; S0 SIOF0_SCK; | |
187 | */ | |
9d56dd3b | 188 | __raw_writew(0x0140, PORT_PSCR); /* 00 00 00 01 01 00 00 00 */ |
ded5431f MB |
189 | |
190 | /* T7 (x); T6 (x); T5 (x); T4 COM1_CTS; | |
191 | * T3 COM1_RTS; T2 COM1_TXD; T1 COM1_RXD; T0 GPO(WDOG) | |
192 | */ | |
9d56dd3b | 193 | __raw_writew(0x0001, PORT_PTCR); /* 00 00 00 00 00 00 00 01 */ |
ded5431f MB |
194 | |
195 | /* U7 (x); U6 (x); U5 (x); U4 GPI+(/AC_FAULT); | |
196 | * U3 GPO(TOUCH_CS); U2 TOUCH_TXD; U1 TOUCH_RXD; U0 TOUCH_SCK; | |
197 | */ | |
9d56dd3b | 198 | __raw_writew(0x0240, PORT_PUCR); /* 00 00 00 10 01 00 00 00 */ |
ded5431f MB |
199 | |
200 | /* V7 (x); V6 (x); V5 (x); V4 GPO(MID2); | |
201 | * V3 GPO(MID1); V2 CARD_TxD; V1 CARD_RxD; V0 GPI+(/BAT_FAULT); | |
202 | */ | |
9d56dd3b | 203 | __raw_writew(0x0142, PORT_PVCR); /* 00 00 00 01 01 00 00 10 */ |
ded5431f MB |
204 | } |
205 | ||
206 | static void __init mpr2_setup(char **cmdline_p) | |
207 | { | |
ded5431f MB |
208 | /* set Pin Select Register A: |
209 | * /PCC_CD1, /PCC_CD2, PCC_BVD1, PCC_BVD2, | |
210 | * /IOIS16, IRQ4, IRQ5, USB1d_SUSPEND | |
211 | */ | |
9d56dd3b | 212 | __raw_writew(0xAABC, PORT_PSELA); |
ded5431f MB |
213 | /* set Pin Select Register B: |
214 | * /SCIF0_RTS, /SCIF0_CTS, LCD_VCPWC, | |
215 | * LCD_VEPWC, IIC_SDA, IIC_SCL, Reserved | |
216 | */ | |
9d56dd3b | 217 | __raw_writew(0x3C00, PORT_PSELB); |
ded5431f MB |
218 | /* set Pin Select Register C: |
219 | * SIOF1_SCK, SIOF1_RxD, SCIF1_RxD, SCIF1_TxD, Reserved | |
220 | */ | |
9d56dd3b | 221 | __raw_writew(0x0000, PORT_PSELC); |
ded5431f MB |
222 | /* set Pin Select Register D: Reserved, SIOF1_TxD, Reserved, SIOF1_MCLK, |
223 | * Reserved, SIOF1_SYNC, Reserved, SCIF1_SCK, Reserved | |
224 | */ | |
9d56dd3b | 225 | __raw_writew(0x0000, PORT_PSELD); |
ded5431f | 226 | /* set USB TxRx Control: Reserved, DRV, Reserved, USB_TRANS, USB_SEL */ |
9d56dd3b | 227 | __raw_writew(0x0101, PORT_UTRCTL); |
ded5431f | 228 | /* set USB Clock Control: USSCS, USSTB, Reserved (HighByte always A5) */ |
9d56dd3b | 229 | __raw_writew(0xA5C0, PORT_UCLKCR_W); |
ded5431f MB |
230 | |
231 | setup_chip_select(); | |
232 | ||
233 | setup_port_multiplexing(); | |
234 | ||
235 | reset_ethernet(); | |
236 | ||
237 | printk(KERN_INFO "Magic Panel Release 2 A.%i\n", | |
238 | CONFIG_SH_MAGIC_PANEL_R2_VERSION); | |
239 | ||
240 | if (ethernet_reset_finished() == 0) | |
241 | printk(KERN_WARNING "Ethernet not ready\n"); | |
242 | } | |
243 | ||
02da916a | 244 | static struct resource smsc911x_resources[] = { |
ded5431f MB |
245 | [0] = { |
246 | .start = 0xa8000000, | |
247 | .end = 0xabffffff, | |
248 | .flags = IORESOURCE_MEM, | |
249 | }, | |
250 | [1] = { | |
251 | .start = 35, | |
252 | .end = 35, | |
253 | .flags = IORESOURCE_IRQ, | |
254 | }, | |
255 | }; | |
256 | ||
02da916a SG |
257 | static struct smsc911x_platform_config smsc911x_config = { |
258 | .phy_interface = PHY_INTERFACE_MODE_MII, | |
259 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
260 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | |
261 | .flags = SMSC911X_USE_32BIT, | |
262 | }; | |
263 | ||
264 | static struct platform_device smsc911x_device = { | |
265 | .name = "smsc911x", | |
ded5431f | 266 | .id = -1, |
02da916a SG |
267 | .num_resources = ARRAY_SIZE(smsc911x_resources), |
268 | .resource = smsc911x_resources, | |
269 | .dev = { | |
270 | .platform_data = &smsc911x_config, | |
271 | }, | |
ded5431f MB |
272 | }; |
273 | ||
274 | static struct resource heartbeat_resources[] = { | |
275 | [0] = { | |
276 | .start = PA_LED, | |
277 | .end = PA_LED, | |
278 | .flags = IORESOURCE_MEM, | |
279 | }, | |
280 | }; | |
281 | ||
282 | static struct heartbeat_data heartbeat_data = { | |
283 | .flags = HEARTBEAT_INVERTED, | |
284 | }; | |
285 | ||
286 | static struct platform_device heartbeat_device = { | |
287 | .name = "heartbeat", | |
288 | .id = -1, | |
289 | .dev = { | |
290 | .platform_data = &heartbeat_data, | |
291 | }, | |
292 | .num_resources = ARRAY_SIZE(heartbeat_resources), | |
293 | .resource = heartbeat_resources, | |
294 | }; | |
295 | ||
e87ab0c4 MB |
296 | static struct mtd_partition *parsed_partitions; |
297 | ||
298 | static struct mtd_partition mpr2_partitions[] = { | |
299 | /* Reserved for bootloader, read-only */ | |
300 | { | |
301 | .name = "Bootloader", | |
302 | .offset = 0x00000000UL, | |
303 | .size = MPR2_MTD_BOOTLOADER_SIZE, | |
304 | .mask_flags = MTD_WRITEABLE, | |
305 | }, | |
306 | /* Reserved for kernel image */ | |
307 | { | |
308 | .name = "Kernel", | |
309 | .offset = MTDPART_OFS_NXTBLK, | |
310 | .size = MPR2_MTD_KERNEL_SIZE, | |
311 | }, | |
312 | /* Rest is used for Flash FS */ | |
313 | { | |
314 | .name = "Flash_FS", | |
315 | .offset = MTDPART_OFS_NXTBLK, | |
316 | .size = MTDPART_SIZ_FULL, | |
317 | } | |
318 | }; | |
319 | ||
320 | static struct physmap_flash_data flash_data = { | |
321 | .width = 2, | |
322 | }; | |
323 | ||
324 | static struct resource flash_resource = { | |
325 | .start = 0x00000000, | |
326 | .end = 0x2000000UL, | |
327 | .flags = IORESOURCE_MEM, | |
328 | }; | |
329 | ||
330 | static struct platform_device flash_device = { | |
331 | .name = "physmap-flash", | |
332 | .id = -1, | |
333 | .resource = &flash_resource, | |
334 | .num_resources = 1, | |
335 | .dev = { | |
336 | .platform_data = &flash_data, | |
337 | }, | |
338 | }; | |
339 | ||
340 | static struct mtd_info *flash_mtd; | |
341 | ||
342 | static struct map_info mpr2_flash_map = { | |
343 | .name = "Magic Panel R2 Flash", | |
344 | .size = 0x2000000UL, | |
345 | .bankwidth = 2, | |
346 | }; | |
347 | ||
348 | static void __init set_mtd_partitions(void) | |
349 | { | |
350 | int nr_parts = 0; | |
351 | ||
352 | simple_map_init(&mpr2_flash_map); | |
353 | flash_mtd = do_map_probe("cfi_probe", &mpr2_flash_map); | |
354 | nr_parts = parse_mtd_partitions(flash_mtd, probes, | |
355 | &parsed_partitions, 0); | |
356 | /* If there is no partition table, used the hard coded table */ | |
357 | if (nr_parts <= 0) { | |
358 | flash_data.parts = mpr2_partitions; | |
359 | flash_data.nr_parts = ARRAY_SIZE(mpr2_partitions); | |
360 | } else { | |
361 | flash_data.nr_parts = nr_parts; | |
362 | flash_data.parts = parsed_partitions; | |
363 | } | |
364 | } | |
365 | ||
366 | /* | |
367 | * Add all resources to the platform_device | |
368 | */ | |
369 | ||
ded5431f MB |
370 | static struct platform_device *mpr2_devices[] __initdata = { |
371 | &heartbeat_device, | |
02da916a | 372 | &smsc911x_device, |
e87ab0c4 | 373 | &flash_device, |
ded5431f MB |
374 | }; |
375 | ||
e87ab0c4 | 376 | |
ded5431f MB |
377 | static int __init mpr2_devices_setup(void) |
378 | { | |
e87ab0c4 | 379 | set_mtd_partitions(); |
ded5431f MB |
380 | return platform_add_devices(mpr2_devices, ARRAY_SIZE(mpr2_devices)); |
381 | } | |
382 | device_initcall(mpr2_devices_setup); | |
383 | ||
384 | /* | |
385 | * Initialize IRQ setting | |
386 | */ | |
387 | static void __init init_mpr2_IRQ(void) | |
388 | { | |
389 | plat_irq_setup_pins(IRQ_MODE_IRQ); /* install handlers for IRQ0-5 */ | |
390 | ||
fcb8918f TG |
391 | irq_set_irq_type(32, IRQ_TYPE_LEVEL_LOW); /* IRQ0 CAN1 */ |
392 | irq_set_irq_type(33, IRQ_TYPE_LEVEL_LOW); /* IRQ1 CAN2 */ | |
393 | irq_set_irq_type(34, IRQ_TYPE_LEVEL_LOW); /* IRQ2 CAN3 */ | |
394 | irq_set_irq_type(35, IRQ_TYPE_LEVEL_LOW); /* IRQ3 SMSC9115 */ | |
395 | irq_set_irq_type(36, IRQ_TYPE_EDGE_RISING); /* IRQ4 touchscreen */ | |
396 | irq_set_irq_type(37, IRQ_TYPE_EDGE_FALLING); /* IRQ5 touchscreen */ | |
ded5431f MB |
397 | |
398 | intc_set_priority(32, 13); /* IRQ0 CAN1 */ | |
399 | intc_set_priority(33, 13); /* IRQ0 CAN2 */ | |
400 | intc_set_priority(34, 13); /* IRQ0 CAN3 */ | |
401 | intc_set_priority(35, 6); /* IRQ3 SMSC9115 */ | |
402 | } | |
403 | ||
404 | /* | |
405 | * The Machine Vector | |
406 | */ | |
407 | ||
408 | static struct sh_machine_vector mv_mpr2 __initmv = { | |
409 | .mv_name = "mpr2", | |
410 | .mv_setup = mpr2_setup, | |
e87ab0c4 | 411 | .mv_init_irq = init_mpr2_IRQ, |
ded5431f | 412 | }; |