Commit | Line | Data |
---|---|---|
1e780453 | 1 | /* |
9dd0b194 | 2 | * arch/arm/mach-orion5x/kurobox_pro-setup.c |
1e780453 RS |
3 | * |
4 | * Maintainer: Ronen Shitrit <rshitrit@marvell.com> | |
5 | * | |
159ffb3a LB |
6 | * This file is licensed under the terms of the GNU General Public |
7 | * License version 2. This program is licensed "as is" without any | |
1e780453 RS |
8 | * warranty of any kind, whether express or implied. |
9 | */ | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/platform_device.h> | |
14 | #include <linux/pci.h> | |
15 | #include <linux/irq.h> | |
a0087f2f | 16 | #include <linux/delay.h> |
1e780453 RS |
17 | #include <linux/mtd/physmap.h> |
18 | #include <linux/mtd/nand.h> | |
19 | #include <linux/mv643xx_eth.h> | |
20 | #include <linux/i2c.h> | |
a0087f2f | 21 | #include <linux/serial_reg.h> |
3b277c29 | 22 | #include <linux/ata_platform.h> |
1e780453 RS |
23 | #include <asm/mach-types.h> |
24 | #include <asm/gpio.h> | |
25 | #include <asm/mach/arch.h> | |
26 | #include <asm/mach/pci.h> | |
a09e64fb | 27 | #include <mach/orion5x.h> |
6f088f1d | 28 | #include <plat/orion_nand.h> |
1e780453 | 29 | #include "common.h" |
19cfd5c0 | 30 | #include "mpp.h" |
1e780453 RS |
31 | |
32 | /***************************************************************************** | |
33 | * KUROBOX-PRO Info | |
34 | ****************************************************************************/ | |
35 | ||
36 | /* | |
37 | * 256K NOR flash Device bus boot chip select | |
38 | */ | |
39 | ||
40 | #define KUROBOX_PRO_NOR_BOOT_BASE 0xf4000000 | |
41 | #define KUROBOX_PRO_NOR_BOOT_SIZE SZ_256K | |
42 | ||
43 | /* | |
44 | * 256M NAND flash on Device bus chip select 1 | |
45 | */ | |
46 | ||
47 | #define KUROBOX_PRO_NAND_BASE 0xfc000000 | |
48 | #define KUROBOX_PRO_NAND_SIZE SZ_2M | |
49 | ||
50 | /***************************************************************************** | |
51 | * 256MB NAND Flash on Device bus CS0 | |
52 | ****************************************************************************/ | |
53 | ||
54 | static struct mtd_partition kurobox_pro_nand_parts[] = { | |
55 | { | |
56 | .name = "uImage", | |
57 | .offset = 0, | |
58 | .size = SZ_4M, | |
e7068ad3 | 59 | }, { |
1e780453 RS |
60 | .name = "rootfs", |
61 | .offset = SZ_4M, | |
62 | .size = SZ_64M, | |
e7068ad3 | 63 | }, { |
1e780453 RS |
64 | .name = "extra", |
65 | .offset = SZ_4M + SZ_64M, | |
66 | .size = SZ_256M - (SZ_4M + SZ_64M), | |
67 | }, | |
68 | }; | |
69 | ||
70 | static struct resource kurobox_pro_nand_resource = { | |
71 | .flags = IORESOURCE_MEM, | |
72 | .start = KUROBOX_PRO_NAND_BASE, | |
73 | .end = KUROBOX_PRO_NAND_BASE + KUROBOX_PRO_NAND_SIZE - 1, | |
74 | }; | |
75 | ||
76 | static struct orion_nand_data kurobox_pro_nand_data = { | |
77 | .parts = kurobox_pro_nand_parts, | |
78 | .nr_parts = ARRAY_SIZE(kurobox_pro_nand_parts), | |
79 | .cle = 0, | |
80 | .ale = 1, | |
81 | .width = 8, | |
82 | }; | |
83 | ||
84 | static struct platform_device kurobox_pro_nand_flash = { | |
85 | .name = "orion_nand", | |
86 | .id = -1, | |
87 | .dev = { | |
88 | .platform_data = &kurobox_pro_nand_data, | |
89 | }, | |
90 | .resource = &kurobox_pro_nand_resource, | |
91 | .num_resources = 1, | |
92 | }; | |
93 | ||
94 | /***************************************************************************** | |
95 | * 256KB NOR Flash on BOOT Device | |
96 | ****************************************************************************/ | |
97 | ||
98 | static struct physmap_flash_data kurobox_pro_nor_flash_data = { | |
99 | .width = 1, | |
100 | }; | |
101 | ||
102 | static struct resource kurobox_pro_nor_flash_resource = { | |
103 | .flags = IORESOURCE_MEM, | |
104 | .start = KUROBOX_PRO_NOR_BOOT_BASE, | |
105 | .end = KUROBOX_PRO_NOR_BOOT_BASE + KUROBOX_PRO_NOR_BOOT_SIZE - 1, | |
106 | }; | |
107 | ||
108 | static struct platform_device kurobox_pro_nor_flash = { | |
109 | .name = "physmap-flash", | |
110 | .id = 0, | |
111 | .dev = { | |
112 | .platform_data = &kurobox_pro_nor_flash_data, | |
113 | }, | |
114 | .num_resources = 1, | |
115 | .resource = &kurobox_pro_nor_flash_resource, | |
116 | }; | |
117 | ||
118 | /***************************************************************************** | |
119 | * PCI | |
120 | ****************************************************************************/ | |
121 | ||
122 | static int __init kurobox_pro_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | |
123 | { | |
92b913b0 LB |
124 | int irq; |
125 | ||
126 | /* | |
127 | * Check for devices with hard-wired IRQs. | |
128 | */ | |
129 | irq = orion5x_pci_map_irq(dev, slot, pin); | |
130 | if (irq != -1) | |
131 | return irq; | |
132 | ||
1e780453 RS |
133 | /* |
134 | * PCI isn't used on the Kuro | |
135 | */ | |
1e780453 RS |
136 | return -1; |
137 | } | |
138 | ||
139 | static struct hw_pci kurobox_pro_pci __initdata = { | |
bbdf1c1e | 140 | .nr_controllers = 2, |
1e780453 | 141 | .swizzle = pci_std_swizzle, |
9dd0b194 LB |
142 | .setup = orion5x_pci_sys_setup, |
143 | .scan = orion5x_pci_sys_scan_bus, | |
1e780453 RS |
144 | .map_irq = kurobox_pro_pci_map_irq, |
145 | }; | |
146 | ||
147 | static int __init kurobox_pro_pci_init(void) | |
148 | { | |
7a6bb262 PA |
149 | if (machine_is_kurobox_pro()) { |
150 | orion5x_pci_disable(); | |
1e780453 | 151 | pci_common_init(&kurobox_pro_pci); |
7a6bb262 | 152 | } |
1e780453 RS |
153 | |
154 | return 0; | |
155 | } | |
156 | ||
157 | subsys_initcall(kurobox_pro_pci_init); | |
158 | ||
159 | /***************************************************************************** | |
160 | * Ethernet | |
161 | ****************************************************************************/ | |
162 | ||
163 | static struct mv643xx_eth_platform_data kurobox_pro_eth_data = { | |
ac840605 | 164 | .phy_addr = MV643XX_ETH_PHY_ADDR(8), |
1e780453 RS |
165 | }; |
166 | ||
167 | /***************************************************************************** | |
168 | * RTC 5C372a on I2C bus | |
169 | ****************************************************************************/ | |
170 | static struct i2c_board_info __initdata kurobox_pro_i2c_rtc = { | |
3760f736 | 171 | I2C_BOARD_INFO("rs5c372a", 0x32), |
1e780453 RS |
172 | }; |
173 | ||
3b277c29 BB |
174 | /***************************************************************************** |
175 | * SATA | |
176 | ****************************************************************************/ | |
177 | static struct mv_sata_platform_data kurobox_pro_sata_data = { | |
e7068ad3 | 178 | .n_ports = 2, |
3b277c29 BB |
179 | }; |
180 | ||
a0087f2f SB |
181 | /***************************************************************************** |
182 | * Kurobox Pro specific power off method via UART1-attached microcontroller | |
183 | ****************************************************************************/ | |
184 | ||
185 | #define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2)) | |
186 | ||
187 | static int kurobox_pro_miconread(unsigned char *buf, int count) | |
188 | { | |
189 | int i; | |
190 | int timeout; | |
191 | ||
192 | for (i = 0; i < count; i++) { | |
193 | timeout = 10; | |
194 | ||
195 | while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) { | |
196 | if (--timeout == 0) | |
197 | break; | |
198 | udelay(1000); | |
199 | } | |
200 | ||
201 | if (timeout == 0) | |
202 | break; | |
203 | buf[i] = readl(UART1_REG(RX)); | |
204 | } | |
205 | ||
206 | /* return read bytes */ | |
207 | return i; | |
208 | } | |
209 | ||
210 | static int kurobox_pro_miconwrite(const unsigned char *buf, int count) | |
211 | { | |
212 | int i = 0; | |
213 | ||
214 | while (count--) { | |
215 | while (!(readl(UART1_REG(LSR)) & UART_LSR_THRE)) | |
216 | barrier(); | |
217 | writel(buf[i++], UART1_REG(TX)); | |
218 | } | |
219 | ||
220 | return 0; | |
221 | } | |
222 | ||
223 | static int kurobox_pro_miconsend(const unsigned char *data, int count) | |
224 | { | |
225 | int i; | |
226 | unsigned char checksum = 0; | |
227 | unsigned char recv_buf[40]; | |
228 | unsigned char send_buf[40]; | |
229 | unsigned char correct_ack[3]; | |
230 | int retry = 2; | |
231 | ||
232 | /* Generate checksum */ | |
233 | for (i = 0; i < count; i++) | |
234 | checksum -= data[i]; | |
235 | ||
236 | do { | |
237 | /* Send data */ | |
238 | kurobox_pro_miconwrite(data, count); | |
239 | ||
240 | /* send checksum */ | |
241 | kurobox_pro_miconwrite(&checksum, 1); | |
242 | ||
243 | if (kurobox_pro_miconread(recv_buf, sizeof(recv_buf)) <= 3) { | |
244 | printk(KERN_ERR ">%s: receive failed.\n", __func__); | |
245 | ||
246 | /* send preamble to clear the receive buffer */ | |
247 | memset(&send_buf, 0xff, sizeof(send_buf)); | |
248 | kurobox_pro_miconwrite(send_buf, sizeof(send_buf)); | |
249 | ||
250 | /* make dummy reads */ | |
251 | mdelay(100); | |
252 | kurobox_pro_miconread(recv_buf, sizeof(recv_buf)); | |
253 | } else { | |
254 | /* Generate expected ack */ | |
255 | correct_ack[0] = 0x01; | |
256 | correct_ack[1] = data[1]; | |
257 | correct_ack[2] = 0x00; | |
258 | ||
259 | /* checksum Check */ | |
260 | if ((recv_buf[0] + recv_buf[1] + recv_buf[2] + | |
261 | recv_buf[3]) & 0xFF) { | |
262 | printk(KERN_ERR ">%s: Checksum Error : " | |
263 | "Received data[%02x, %02x, %02x, %02x]" | |
264 | "\n", __func__, recv_buf[0], | |
265 | recv_buf[1], recv_buf[2], recv_buf[3]); | |
266 | } else { | |
267 | /* Check Received Data */ | |
268 | if (correct_ack[0] == recv_buf[0] && | |
269 | correct_ack[1] == recv_buf[1] && | |
270 | correct_ack[2] == recv_buf[2]) { | |
271 | /* Interval for next command */ | |
272 | mdelay(10); | |
273 | ||
274 | /* Receive ACK */ | |
275 | return 0; | |
276 | } | |
277 | } | |
278 | /* Received NAK or illegal Data */ | |
279 | printk(KERN_ERR ">%s: Error : NAK or Illegal Data " | |
280 | "Received\n", __func__); | |
281 | } | |
282 | } while (retry--); | |
283 | ||
284 | /* Interval for next command */ | |
285 | mdelay(10); | |
286 | ||
287 | return -1; | |
288 | } | |
289 | ||
290 | static void kurobox_pro_power_off(void) | |
291 | { | |
292 | const unsigned char watchdogkill[] = {0x01, 0x35, 0x00}; | |
293 | const unsigned char shutdownwait[] = {0x00, 0x0c}; | |
294 | const unsigned char poweroff[] = {0x00, 0x06}; | |
295 | /* 38400 baud divisor */ | |
ebe35aff | 296 | const unsigned divisor = ((orion5x_tclk + (8 * 38400)) / (16 * 38400)); |
a0087f2f SB |
297 | |
298 | pr_info("%s: triggering power-off...\n", __func__); | |
299 | ||
300 | /* hijack uart1 and reset into sane state (38400,8n1,even parity) */ | |
301 | writel(0x83, UART1_REG(LCR)); | |
302 | writel(divisor & 0xff, UART1_REG(DLL)); | |
303 | writel((divisor >> 8) & 0xff, UART1_REG(DLM)); | |
304 | writel(0x1b, UART1_REG(LCR)); | |
305 | writel(0x00, UART1_REG(IER)); | |
306 | writel(0x07, UART1_REG(FCR)); | |
307 | writel(0x00, UART1_REG(MCR)); | |
308 | ||
309 | /* Send the commands to shutdown the Kurobox Pro */ | |
310 | kurobox_pro_miconsend(watchdogkill, sizeof(watchdogkill)) ; | |
311 | kurobox_pro_miconsend(shutdownwait, sizeof(shutdownwait)) ; | |
312 | kurobox_pro_miconsend(poweroff, sizeof(poweroff)); | |
313 | } | |
314 | ||
1e780453 RS |
315 | /***************************************************************************** |
316 | * General Setup | |
317 | ****************************************************************************/ | |
19cfd5c0 LB |
318 | static struct orion5x_mpp_mode kurobox_pro_mpp_modes[] __initdata = { |
319 | { 0, MPP_UNUSED }, | |
320 | { 1, MPP_UNUSED }, | |
321 | { 2, MPP_GPIO }, /* GPIO Micon */ | |
322 | { 3, MPP_GPIO }, /* GPIO Rtc */ | |
323 | { 4, MPP_UNUSED }, | |
324 | { 5, MPP_UNUSED }, | |
325 | { 6, MPP_NAND }, /* NAND Flash REn */ | |
326 | { 7, MPP_NAND }, /* NAND Flash WEn */ | |
327 | { 8, MPP_UNUSED }, | |
328 | { 9, MPP_UNUSED }, | |
329 | { 10, MPP_UNUSED }, | |
330 | { 11, MPP_UNUSED }, | |
331 | { 12, MPP_SATA_LED }, /* SATA 0 presence */ | |
332 | { 13, MPP_SATA_LED }, /* SATA 1 presence */ | |
333 | { 14, MPP_SATA_LED }, /* SATA 0 active */ | |
334 | { 15, MPP_SATA_LED }, /* SATA 1 active */ | |
a0087f2f SB |
335 | { 16, MPP_UART }, /* UART1 RXD */ |
336 | { 17, MPP_UART }, /* UART1 TXD */ | |
337 | { 18, MPP_UART }, /* UART1 CTSn */ | |
338 | { 19, MPP_UART }, /* UART1 RTSn */ | |
19cfd5c0 LB |
339 | { -1 }, |
340 | }; | |
1e780453 | 341 | |
1e780453 RS |
342 | static void __init kurobox_pro_init(void) |
343 | { | |
344 | /* | |
345 | * Setup basic Orion functions. Need to be called early. | |
346 | */ | |
9dd0b194 | 347 | orion5x_init(); |
1e780453 | 348 | |
19cfd5c0 | 349 | orion5x_mpp_conf(kurobox_pro_mpp_modes); |
1e780453 | 350 | |
044f6c7c LB |
351 | /* |
352 | * Configure peripherals. | |
353 | */ | |
354 | orion5x_ehci0_init(); | |
355 | orion5x_ehci1_init(); | |
356 | orion5x_eth_init(&kurobox_pro_eth_data); | |
357 | orion5x_i2c_init(); | |
358 | orion5x_sata_init(&kurobox_pro_sata_data); | |
359 | orion5x_uart0_init(); | |
9e956850 | 360 | orion5x_uart1_init(); |
1d5a1a6e | 361 | orion5x_xor_init(); |
044f6c7c LB |
362 | |
363 | orion5x_setup_dev_boot_win(KUROBOX_PRO_NOR_BOOT_BASE, | |
364 | KUROBOX_PRO_NOR_BOOT_SIZE); | |
87549251 | 365 | platform_device_register(&kurobox_pro_nor_flash); |
044f6c7c LB |
366 | |
367 | if (machine_is_kurobox_pro()) { | |
368 | orion5x_setup_dev0_win(KUROBOX_PRO_NAND_BASE, | |
369 | KUROBOX_PRO_NAND_SIZE); | |
87549251 | 370 | platform_device_register(&kurobox_pro_nand_flash); |
044f6c7c LB |
371 | } |
372 | ||
1e780453 | 373 | i2c_register_board_info(0, &kurobox_pro_i2c_rtc, 1); |
a0087f2f SB |
374 | |
375 | /* register Kurobox Pro specific power-off method */ | |
376 | pm_power_off = kurobox_pro_power_off; | |
1e780453 RS |
377 | } |
378 | ||
87549251 | 379 | #ifdef CONFIG_MACH_KUROBOX_PRO |
1e780453 RS |
380 | MACHINE_START(KUROBOX_PRO, "Buffalo/Revogear Kurobox Pro") |
381 | /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */ | |
9dd0b194 LB |
382 | .phys_io = ORION5X_REGS_PHYS_BASE, |
383 | .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, | |
1e780453 RS |
384 | .boot_params = 0x00000100, |
385 | .init_machine = kurobox_pro_init, | |
9dd0b194 LB |
386 | .map_io = orion5x_map_io, |
387 | .init_irq = orion5x_init_irq, | |
388 | .timer = &orion5x_timer, | |
be73a347 | 389 | .fixup = tag_fixup_mem32, |
1e780453 | 390 | MACHINE_END |
87549251 BB |
391 | #endif |
392 | ||
393 | #ifdef CONFIG_MACH_LINKSTATION_PRO | |
394 | MACHINE_START(LINKSTATION_PRO, "Buffalo Linkstation Pro/Live") | |
395 | /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */ | |
396 | .phys_io = ORION5X_REGS_PHYS_BASE, | |
397 | .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, | |
398 | .boot_params = 0x00000100, | |
399 | .init_machine = kurobox_pro_init, | |
400 | .map_io = orion5x_map_io, | |
401 | .init_irq = orion5x_init_irq, | |
402 | .timer = &orion5x_timer, | |
403 | .fixup = tag_fixup_mem32, | |
404 | MACHINE_END | |
405 | #endif |