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 | ||
d5341942 RB |
122 | static int __init kurobox_pro_pci_map_irq(const struct pci_dev *dev, u8 slot, |
123 | u8 pin) | |
1e780453 | 124 | { |
92b913b0 LB |
125 | int irq; |
126 | ||
127 | /* | |
128 | * Check for devices with hard-wired IRQs. | |
129 | */ | |
130 | irq = orion5x_pci_map_irq(dev, slot, pin); | |
131 | if (irq != -1) | |
132 | return irq; | |
133 | ||
1e780453 RS |
134 | /* |
135 | * PCI isn't used on the Kuro | |
136 | */ | |
1e780453 RS |
137 | return -1; |
138 | } | |
139 | ||
140 | static struct hw_pci kurobox_pro_pci __initdata = { | |
bbdf1c1e | 141 | .nr_controllers = 2, |
1e780453 | 142 | .swizzle = pci_std_swizzle, |
9dd0b194 LB |
143 | .setup = orion5x_pci_sys_setup, |
144 | .scan = orion5x_pci_sys_scan_bus, | |
1e780453 RS |
145 | .map_irq = kurobox_pro_pci_map_irq, |
146 | }; | |
147 | ||
148 | static int __init kurobox_pro_pci_init(void) | |
149 | { | |
7a6bb262 PA |
150 | if (machine_is_kurobox_pro()) { |
151 | orion5x_pci_disable(); | |
1e780453 | 152 | pci_common_init(&kurobox_pro_pci); |
7a6bb262 | 153 | } |
1e780453 RS |
154 | |
155 | return 0; | |
156 | } | |
157 | ||
158 | subsys_initcall(kurobox_pro_pci_init); | |
159 | ||
160 | /***************************************************************************** | |
161 | * Ethernet | |
162 | ****************************************************************************/ | |
163 | ||
164 | static struct mv643xx_eth_platform_data kurobox_pro_eth_data = { | |
ac840605 | 165 | .phy_addr = MV643XX_ETH_PHY_ADDR(8), |
1e780453 RS |
166 | }; |
167 | ||
168 | /***************************************************************************** | |
169 | * RTC 5C372a on I2C bus | |
170 | ****************************************************************************/ | |
171 | static struct i2c_board_info __initdata kurobox_pro_i2c_rtc = { | |
3760f736 | 172 | I2C_BOARD_INFO("rs5c372a", 0x32), |
1e780453 RS |
173 | }; |
174 | ||
3b277c29 BB |
175 | /***************************************************************************** |
176 | * SATA | |
177 | ****************************************************************************/ | |
178 | static struct mv_sata_platform_data kurobox_pro_sata_data = { | |
e7068ad3 | 179 | .n_ports = 2, |
3b277c29 BB |
180 | }; |
181 | ||
a0087f2f SB |
182 | /***************************************************************************** |
183 | * Kurobox Pro specific power off method via UART1-attached microcontroller | |
184 | ****************************************************************************/ | |
185 | ||
186 | #define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2)) | |
187 | ||
188 | static int kurobox_pro_miconread(unsigned char *buf, int count) | |
189 | { | |
190 | int i; | |
191 | int timeout; | |
192 | ||
193 | for (i = 0; i < count; i++) { | |
194 | timeout = 10; | |
195 | ||
196 | while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) { | |
197 | if (--timeout == 0) | |
198 | break; | |
199 | udelay(1000); | |
200 | } | |
201 | ||
202 | if (timeout == 0) | |
203 | break; | |
204 | buf[i] = readl(UART1_REG(RX)); | |
205 | } | |
206 | ||
207 | /* return read bytes */ | |
208 | return i; | |
209 | } | |
210 | ||
211 | static int kurobox_pro_miconwrite(const unsigned char *buf, int count) | |
212 | { | |
213 | int i = 0; | |
214 | ||
215 | while (count--) { | |
216 | while (!(readl(UART1_REG(LSR)) & UART_LSR_THRE)) | |
217 | barrier(); | |
218 | writel(buf[i++], UART1_REG(TX)); | |
219 | } | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
224 | static int kurobox_pro_miconsend(const unsigned char *data, int count) | |
225 | { | |
226 | int i; | |
227 | unsigned char checksum = 0; | |
228 | unsigned char recv_buf[40]; | |
229 | unsigned char send_buf[40]; | |
230 | unsigned char correct_ack[3]; | |
231 | int retry = 2; | |
232 | ||
233 | /* Generate checksum */ | |
234 | for (i = 0; i < count; i++) | |
235 | checksum -= data[i]; | |
236 | ||
237 | do { | |
238 | /* Send data */ | |
239 | kurobox_pro_miconwrite(data, count); | |
240 | ||
241 | /* send checksum */ | |
242 | kurobox_pro_miconwrite(&checksum, 1); | |
243 | ||
244 | if (kurobox_pro_miconread(recv_buf, sizeof(recv_buf)) <= 3) { | |
245 | printk(KERN_ERR ">%s: receive failed.\n", __func__); | |
246 | ||
247 | /* send preamble to clear the receive buffer */ | |
248 | memset(&send_buf, 0xff, sizeof(send_buf)); | |
249 | kurobox_pro_miconwrite(send_buf, sizeof(send_buf)); | |
250 | ||
251 | /* make dummy reads */ | |
252 | mdelay(100); | |
253 | kurobox_pro_miconread(recv_buf, sizeof(recv_buf)); | |
254 | } else { | |
255 | /* Generate expected ack */ | |
256 | correct_ack[0] = 0x01; | |
257 | correct_ack[1] = data[1]; | |
258 | correct_ack[2] = 0x00; | |
259 | ||
260 | /* checksum Check */ | |
261 | if ((recv_buf[0] + recv_buf[1] + recv_buf[2] + | |
262 | recv_buf[3]) & 0xFF) { | |
263 | printk(KERN_ERR ">%s: Checksum Error : " | |
264 | "Received data[%02x, %02x, %02x, %02x]" | |
265 | "\n", __func__, recv_buf[0], | |
266 | recv_buf[1], recv_buf[2], recv_buf[3]); | |
267 | } else { | |
268 | /* Check Received Data */ | |
269 | if (correct_ack[0] == recv_buf[0] && | |
270 | correct_ack[1] == recv_buf[1] && | |
271 | correct_ack[2] == recv_buf[2]) { | |
272 | /* Interval for next command */ | |
273 | mdelay(10); | |
274 | ||
275 | /* Receive ACK */ | |
276 | return 0; | |
277 | } | |
278 | } | |
279 | /* Received NAK or illegal Data */ | |
280 | printk(KERN_ERR ">%s: Error : NAK or Illegal Data " | |
281 | "Received\n", __func__); | |
282 | } | |
283 | } while (retry--); | |
284 | ||
285 | /* Interval for next command */ | |
286 | mdelay(10); | |
287 | ||
288 | return -1; | |
289 | } | |
290 | ||
291 | static void kurobox_pro_power_off(void) | |
292 | { | |
293 | const unsigned char watchdogkill[] = {0x01, 0x35, 0x00}; | |
294 | const unsigned char shutdownwait[] = {0x00, 0x0c}; | |
295 | const unsigned char poweroff[] = {0x00, 0x06}; | |
296 | /* 38400 baud divisor */ | |
ebe35aff | 297 | const unsigned divisor = ((orion5x_tclk + (8 * 38400)) / (16 * 38400)); |
a0087f2f SB |
298 | |
299 | pr_info("%s: triggering power-off...\n", __func__); | |
300 | ||
301 | /* hijack uart1 and reset into sane state (38400,8n1,even parity) */ | |
302 | writel(0x83, UART1_REG(LCR)); | |
303 | writel(divisor & 0xff, UART1_REG(DLL)); | |
304 | writel((divisor >> 8) & 0xff, UART1_REG(DLM)); | |
305 | writel(0x1b, UART1_REG(LCR)); | |
306 | writel(0x00, UART1_REG(IER)); | |
307 | writel(0x07, UART1_REG(FCR)); | |
308 | writel(0x00, UART1_REG(MCR)); | |
309 | ||
310 | /* Send the commands to shutdown the Kurobox Pro */ | |
311 | kurobox_pro_miconsend(watchdogkill, sizeof(watchdogkill)) ; | |
312 | kurobox_pro_miconsend(shutdownwait, sizeof(shutdownwait)) ; | |
313 | kurobox_pro_miconsend(poweroff, sizeof(poweroff)); | |
314 | } | |
315 | ||
1e780453 RS |
316 | /***************************************************************************** |
317 | * General Setup | |
318 | ****************************************************************************/ | |
554cdaef AL |
319 | static unsigned int kurobox_pro_mpp_modes[] __initdata = { |
320 | MPP0_UNUSED, | |
321 | MPP1_UNUSED, | |
322 | MPP2_GPIO, /* GPIO Micon */ | |
323 | MPP3_GPIO, /* GPIO Rtc */ | |
324 | MPP4_UNUSED, | |
325 | MPP5_UNUSED, | |
326 | MPP6_NAND, /* NAND Flash REn */ | |
327 | MPP7_NAND, /* NAND Flash WEn */ | |
328 | MPP8_UNUSED, | |
329 | MPP9_UNUSED, | |
330 | MPP10_UNUSED, | |
331 | MPP11_UNUSED, | |
332 | MPP12_SATA_LED, /* SATA 0 presence */ | |
333 | MPP13_SATA_LED, /* SATA 1 presence */ | |
334 | MPP14_SATA_LED, /* SATA 0 active */ | |
335 | MPP15_SATA_LED, /* SATA 1 active */ | |
336 | MPP16_UART, /* UART1 RXD */ | |
337 | MPP17_UART, /* UART1 TXD */ | |
338 | MPP18_UART, /* UART1 CTSn */ | |
339 | MPP19_UART, /* UART1 RTSn */ | |
340 | 0, | |
19cfd5c0 | 341 | }; |
1e780453 | 342 | |
1e780453 RS |
343 | static void __init kurobox_pro_init(void) |
344 | { | |
345 | /* | |
346 | * Setup basic Orion functions. Need to be called early. | |
347 | */ | |
9dd0b194 | 348 | orion5x_init(); |
1e780453 | 349 | |
19cfd5c0 | 350 | orion5x_mpp_conf(kurobox_pro_mpp_modes); |
1e780453 | 351 | |
044f6c7c LB |
352 | /* |
353 | * Configure peripherals. | |
354 | */ | |
355 | orion5x_ehci0_init(); | |
356 | orion5x_ehci1_init(); | |
357 | orion5x_eth_init(&kurobox_pro_eth_data); | |
358 | orion5x_i2c_init(); | |
359 | orion5x_sata_init(&kurobox_pro_sata_data); | |
360 | orion5x_uart0_init(); | |
9e956850 | 361 | orion5x_uart1_init(); |
1d5a1a6e | 362 | orion5x_xor_init(); |
044f6c7c LB |
363 | |
364 | orion5x_setup_dev_boot_win(KUROBOX_PRO_NOR_BOOT_BASE, | |
365 | KUROBOX_PRO_NOR_BOOT_SIZE); | |
87549251 | 366 | platform_device_register(&kurobox_pro_nor_flash); |
044f6c7c LB |
367 | |
368 | if (machine_is_kurobox_pro()) { | |
369 | orion5x_setup_dev0_win(KUROBOX_PRO_NAND_BASE, | |
370 | KUROBOX_PRO_NAND_SIZE); | |
87549251 | 371 | platform_device_register(&kurobox_pro_nand_flash); |
044f6c7c LB |
372 | } |
373 | ||
1e780453 | 374 | i2c_register_board_info(0, &kurobox_pro_i2c_rtc, 1); |
a0087f2f SB |
375 | |
376 | /* register Kurobox Pro specific power-off method */ | |
377 | pm_power_off = kurobox_pro_power_off; | |
1e780453 RS |
378 | } |
379 | ||
87549251 | 380 | #ifdef CONFIG_MACH_KUROBOX_PRO |
1e780453 RS |
381 | MACHINE_START(KUROBOX_PRO, "Buffalo/Revogear Kurobox Pro") |
382 | /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */ | |
1e780453 RS |
383 | .boot_params = 0x00000100, |
384 | .init_machine = kurobox_pro_init, | |
9dd0b194 | 385 | .map_io = orion5x_map_io, |
4ee1f6b5 | 386 | .init_early = orion5x_init_early, |
9dd0b194 LB |
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> */ | |
87549251 BB |
396 | .boot_params = 0x00000100, |
397 | .init_machine = kurobox_pro_init, | |
398 | .map_io = orion5x_map_io, | |
4ee1f6b5 | 399 | .init_early = orion5x_init_early, |
87549251 BB |
400 | .init_irq = orion5x_init_irq, |
401 | .timer = &orion5x_timer, | |
402 | .fixup = tag_fixup_mem32, | |
403 | MACHINE_END | |
404 | #endif |