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Ronen Shitrit1e780452007-10-23 15:14:42 -04001/*
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -04002 * arch/arm/mach-orion5x/kurobox_pro-setup.c
Ronen Shitrit1e780452007-10-23 15:14:42 -04003 *
4 * Maintainer: Ronen Shitrit <rshitrit@marvell.com>
5 *
Lennert Buytenhek159ffb32008-03-27 14:51:41 -04006 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
Ronen Shitrit1e780452007-10-23 15:14:42 -04008 * warranty of any kind, whether express or implied.
9 */
Russell King2f8163b2011-07-26 10:53:52 +010010#include <linux/gpio.h>
Ronen Shitrit1e780452007-10-23 15:14:42 -040011#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>
Sylver Bruneaua0087f22008-04-30 08:14:58 +020016#include <linux/delay.h>
Ronen Shitrit1e780452007-10-23 15:14:42 -040017#include <linux/mtd/physmap.h>
18#include <linux/mtd/nand.h>
19#include <linux/mv643xx_eth.h>
20#include <linux/i2c.h>
Sylver Bruneaua0087f22008-04-30 08:14:58 +020021#include <linux/serial_reg.h>
Byron Bradley3b277c22008-02-08 18:20:01 +000022#include <linux/ata_platform.h>
Ronen Shitrit1e780452007-10-23 15:14:42 -040023#include <asm/mach-types.h>
Ronen Shitrit1e780452007-10-23 15:14:42 -040024#include <asm/mach/arch.h>
25#include <asm/mach/pci.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010026#include <mach/orion5x.h>
Arnd Bergmannc02cecb2012-08-24 15:21:54 +020027#include <linux/platform_data/mtd-orion_nand.h>
Ronen Shitrit1e780452007-10-23 15:14:42 -040028#include "common.h"
Lennert Buytenhek19cfd5c2008-05-10 23:25:46 +020029#include "mpp.h"
Ronen Shitrit1e780452007-10-23 15:14:42 -040030
31/*****************************************************************************
32 * KUROBOX-PRO Info
33 ****************************************************************************/
34
35/*
36 * 256K NOR flash Device bus boot chip select
37 */
38
39#define KUROBOX_PRO_NOR_BOOT_BASE 0xf4000000
40#define KUROBOX_PRO_NOR_BOOT_SIZE SZ_256K
41
42/*
43 * 256M NAND flash on Device bus chip select 1
44 */
45
46#define KUROBOX_PRO_NAND_BASE 0xfc000000
47#define KUROBOX_PRO_NAND_SIZE SZ_2M
48
49/*****************************************************************************
50 * 256MB NAND Flash on Device bus CS0
51 ****************************************************************************/
52
53static struct mtd_partition kurobox_pro_nand_parts[] = {
54 {
55 .name = "uImage",
56 .offset = 0,
57 .size = SZ_4M,
Lennert Buytenheke7068ad2008-05-10 16:30:01 +020058 }, {
Ronen Shitrit1e780452007-10-23 15:14:42 -040059 .name = "rootfs",
60 .offset = SZ_4M,
61 .size = SZ_64M,
Lennert Buytenheke7068ad2008-05-10 16:30:01 +020062 }, {
Ronen Shitrit1e780452007-10-23 15:14:42 -040063 .name = "extra",
64 .offset = SZ_4M + SZ_64M,
65 .size = SZ_256M - (SZ_4M + SZ_64M),
66 },
67};
68
69static struct resource kurobox_pro_nand_resource = {
70 .flags = IORESOURCE_MEM,
71 .start = KUROBOX_PRO_NAND_BASE,
72 .end = KUROBOX_PRO_NAND_BASE + KUROBOX_PRO_NAND_SIZE - 1,
73};
74
75static struct orion_nand_data kurobox_pro_nand_data = {
76 .parts = kurobox_pro_nand_parts,
77 .nr_parts = ARRAY_SIZE(kurobox_pro_nand_parts),
78 .cle = 0,
79 .ale = 1,
80 .width = 8,
81};
82
83static struct platform_device kurobox_pro_nand_flash = {
84 .name = "orion_nand",
85 .id = -1,
86 .dev = {
87 .platform_data = &kurobox_pro_nand_data,
88 },
89 .resource = &kurobox_pro_nand_resource,
90 .num_resources = 1,
91};
92
93/*****************************************************************************
94 * 256KB NOR Flash on BOOT Device
95 ****************************************************************************/
96
97static struct physmap_flash_data kurobox_pro_nor_flash_data = {
98 .width = 1,
99};
100
101static struct resource kurobox_pro_nor_flash_resource = {
102 .flags = IORESOURCE_MEM,
103 .start = KUROBOX_PRO_NOR_BOOT_BASE,
104 .end = KUROBOX_PRO_NOR_BOOT_BASE + KUROBOX_PRO_NOR_BOOT_SIZE - 1,
105};
106
107static struct platform_device kurobox_pro_nor_flash = {
108 .name = "physmap-flash",
109 .id = 0,
110 .dev = {
111 .platform_data = &kurobox_pro_nor_flash_data,
112 },
113 .num_resources = 1,
114 .resource = &kurobox_pro_nor_flash_resource,
115};
116
117/*****************************************************************************
118 * PCI
119 ****************************************************************************/
120
Ralf Baechled5341942011-06-10 15:30:21 +0100121static int __init kurobox_pro_pci_map_irq(const struct pci_dev *dev, u8 slot,
122 u8 pin)
Ronen Shitrit1e780452007-10-23 15:14:42 -0400123{
Lennert Buytenhek92b913b2008-04-25 16:28:33 -0400124 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
Ronen Shitrit1e780452007-10-23 15:14:42 -0400133 /*
134 * PCI isn't used on the Kuro
135 */
Ronen Shitrit1e780452007-10-23 15:14:42 -0400136 return -1;
137}
138
139static struct hw_pci kurobox_pro_pci __initdata = {
Lennert Buytenhekbbdf1c12008-05-15 10:31:14 +0100140 .nr_controllers = 2,
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400141 .setup = orion5x_pci_sys_setup,
142 .scan = orion5x_pci_sys_scan_bus,
Ronen Shitrit1e780452007-10-23 15:14:42 -0400143 .map_irq = kurobox_pro_pci_map_irq,
144};
145
146static int __init kurobox_pro_pci_init(void)
147{
Per Andersson7a6bb262008-08-11 12:00:52 +0200148 if (machine_is_kurobox_pro()) {
149 orion5x_pci_disable();
Ronen Shitrit1e780452007-10-23 15:14:42 -0400150 pci_common_init(&kurobox_pro_pci);
Per Andersson7a6bb262008-08-11 12:00:52 +0200151 }
Ronen Shitrit1e780452007-10-23 15:14:42 -0400152
153 return 0;
154}
155
156subsys_initcall(kurobox_pro_pci_init);
157
158/*****************************************************************************
159 * Ethernet
160 ****************************************************************************/
161
162static struct mv643xx_eth_platform_data kurobox_pro_eth_data = {
Lennert Buytenhekac8406052008-08-26 14:06:47 +0200163 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
Ronen Shitrit1e780452007-10-23 15:14:42 -0400164};
165
166/*****************************************************************************
167 * RTC 5C372a on I2C bus
168 ****************************************************************************/
169static struct i2c_board_info __initdata kurobox_pro_i2c_rtc = {
Jean Delvare3760f732008-04-29 23:11:40 +0200170 I2C_BOARD_INFO("rs5c372a", 0x32),
Ronen Shitrit1e780452007-10-23 15:14:42 -0400171};
172
173/*****************************************************************************
Byron Bradley3b277c22008-02-08 18:20:01 +0000174 * SATA
175 ****************************************************************************/
176static struct mv_sata_platform_data kurobox_pro_sata_data = {
Lennert Buytenheke7068ad2008-05-10 16:30:01 +0200177 .n_ports = 2,
Byron Bradley3b277c22008-02-08 18:20:01 +0000178};
179
180/*****************************************************************************
Sylver Bruneaua0087f22008-04-30 08:14:58 +0200181 * Kurobox Pro specific power off method via UART1-attached microcontroller
182 ****************************************************************************/
183
184#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2))
185
186static int kurobox_pro_miconread(unsigned char *buf, int count)
187{
188 int i;
189 int timeout;
190
191 for (i = 0; i < count; i++) {
192 timeout = 10;
193
194 while (!(readl(UART1_REG(LSR)) & UART_LSR_DR)) {
195 if (--timeout == 0)
196 break;
197 udelay(1000);
198 }
199
200 if (timeout == 0)
201 break;
202 buf[i] = readl(UART1_REG(RX));
203 }
204
205 /* return read bytes */
206 return i;
207}
208
209static int kurobox_pro_miconwrite(const unsigned char *buf, int count)
210{
211 int i = 0;
212
213 while (count--) {
214 while (!(readl(UART1_REG(LSR)) & UART_LSR_THRE))
215 barrier();
216 writel(buf[i++], UART1_REG(TX));
217 }
218
219 return 0;
220}
221
222static int kurobox_pro_miconsend(const unsigned char *data, int count)
223{
224 int i;
225 unsigned char checksum = 0;
226 unsigned char recv_buf[40];
227 unsigned char send_buf[40];
228 unsigned char correct_ack[3];
229 int retry = 2;
230
231 /* Generate checksum */
232 for (i = 0; i < count; i++)
233 checksum -= data[i];
234
235 do {
236 /* Send data */
237 kurobox_pro_miconwrite(data, count);
238
239 /* send checksum */
240 kurobox_pro_miconwrite(&checksum, 1);
241
242 if (kurobox_pro_miconread(recv_buf, sizeof(recv_buf)) <= 3) {
243 printk(KERN_ERR ">%s: receive failed.\n", __func__);
244
245 /* send preamble to clear the receive buffer */
246 memset(&send_buf, 0xff, sizeof(send_buf));
247 kurobox_pro_miconwrite(send_buf, sizeof(send_buf));
248
249 /* make dummy reads */
250 mdelay(100);
251 kurobox_pro_miconread(recv_buf, sizeof(recv_buf));
252 } else {
253 /* Generate expected ack */
254 correct_ack[0] = 0x01;
255 correct_ack[1] = data[1];
256 correct_ack[2] = 0x00;
257
258 /* checksum Check */
259 if ((recv_buf[0] + recv_buf[1] + recv_buf[2] +
260 recv_buf[3]) & 0xFF) {
261 printk(KERN_ERR ">%s: Checksum Error : "
262 "Received data[%02x, %02x, %02x, %02x]"
263 "\n", __func__, recv_buf[0],
264 recv_buf[1], recv_buf[2], recv_buf[3]);
265 } else {
266 /* Check Received Data */
267 if (correct_ack[0] == recv_buf[0] &&
268 correct_ack[1] == recv_buf[1] &&
269 correct_ack[2] == recv_buf[2]) {
270 /* Interval for next command */
271 mdelay(10);
272
273 /* Receive ACK */
274 return 0;
275 }
276 }
277 /* Received NAK or illegal Data */
278 printk(KERN_ERR ">%s: Error : NAK or Illegal Data "
279 "Received\n", __func__);
280 }
281 } while (retry--);
282
283 /* Interval for next command */
284 mdelay(10);
285
286 return -1;
287}
288
289static void kurobox_pro_power_off(void)
290{
291 const unsigned char watchdogkill[] = {0x01, 0x35, 0x00};
292 const unsigned char shutdownwait[] = {0x00, 0x0c};
293 const unsigned char poweroff[] = {0x00, 0x06};
294 /* 38400 baud divisor */
Lennert Buytenhekebe35af2008-08-29 05:55:51 +0200295 const unsigned divisor = ((orion5x_tclk + (8 * 38400)) / (16 * 38400));
Sylver Bruneaua0087f22008-04-30 08:14:58 +0200296
297 pr_info("%s: triggering power-off...\n", __func__);
298
299 /* hijack uart1 and reset into sane state (38400,8n1,even parity) */
300 writel(0x83, UART1_REG(LCR));
301 writel(divisor & 0xff, UART1_REG(DLL));
302 writel((divisor >> 8) & 0xff, UART1_REG(DLM));
303 writel(0x1b, UART1_REG(LCR));
304 writel(0x00, UART1_REG(IER));
305 writel(0x07, UART1_REG(FCR));
306 writel(0x00, UART1_REG(MCR));
307
308 /* Send the commands to shutdown the Kurobox Pro */
309 kurobox_pro_miconsend(watchdogkill, sizeof(watchdogkill)) ;
310 kurobox_pro_miconsend(shutdownwait, sizeof(shutdownwait)) ;
311 kurobox_pro_miconsend(poweroff, sizeof(poweroff));
312}
313
314/*****************************************************************************
Ronen Shitrit1e780452007-10-23 15:14:42 -0400315 * General Setup
316 ****************************************************************************/
Andrew Lunn554cdae2011-05-15 13:32:53 +0200317static unsigned int kurobox_pro_mpp_modes[] __initdata = {
318 MPP0_UNUSED,
319 MPP1_UNUSED,
320 MPP2_GPIO, /* GPIO Micon */
321 MPP3_GPIO, /* GPIO Rtc */
322 MPP4_UNUSED,
323 MPP5_UNUSED,
324 MPP6_NAND, /* NAND Flash REn */
325 MPP7_NAND, /* NAND Flash WEn */
326 MPP8_UNUSED,
327 MPP9_UNUSED,
328 MPP10_UNUSED,
329 MPP11_UNUSED,
330 MPP12_SATA_LED, /* SATA 0 presence */
331 MPP13_SATA_LED, /* SATA 1 presence */
332 MPP14_SATA_LED, /* SATA 0 active */
333 MPP15_SATA_LED, /* SATA 1 active */
334 MPP16_UART, /* UART1 RXD */
335 MPP17_UART, /* UART1 TXD */
336 MPP18_UART, /* UART1 CTSn */
337 MPP19_UART, /* UART1 RTSn */
338 0,
Lennert Buytenhek19cfd5c2008-05-10 23:25:46 +0200339};
Ronen Shitrit1e780452007-10-23 15:14:42 -0400340
Ronen Shitrit1e780452007-10-23 15:14:42 -0400341static void __init kurobox_pro_init(void)
342{
343 /*
344 * Setup basic Orion functions. Need to be called early.
345 */
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400346 orion5x_init();
Ronen Shitrit1e780452007-10-23 15:14:42 -0400347
Lennert Buytenhek19cfd5c2008-05-10 23:25:46 +0200348 orion5x_mpp_conf(kurobox_pro_mpp_modes);
Ronen Shitrit1e780452007-10-23 15:14:42 -0400349
Lennert Buytenhek044f6c72008-04-22 05:37:12 +0200350 /*
351 * Configure peripherals.
352 */
353 orion5x_ehci0_init();
354 orion5x_ehci1_init();
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400355 orion5x_eth_init(&kurobox_pro_eth_data);
Lennert Buytenhek044f6c72008-04-22 05:37:12 +0200356 orion5x_i2c_init();
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400357 orion5x_sata_init(&kurobox_pro_sata_data);
Lennert Buytenhek044f6c72008-04-22 05:37:12 +0200358 orion5x_uart0_init();
Sylver Bruneau9e956852008-06-23 01:20:05 +0200359 orion5x_uart1_init();
Saeed Bishara1d5a1a62008-06-16 23:25:12 -1100360 orion5x_xor_init();
Lennert Buytenhek044f6c72008-04-22 05:37:12 +0200361
Thomas Petazzoni4ca2c042013-07-26 10:17:42 -0300362 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
363 ORION_MBUS_DEVBUS_BOOT_ATTR,
364 KUROBOX_PRO_NOR_BOOT_BASE,
365 KUROBOX_PRO_NOR_BOOT_SIZE);
Lennert Buytenhek044f6c72008-04-22 05:37:12 +0200366 platform_device_register(&kurobox_pro_nor_flash);
367
368 if (machine_is_kurobox_pro()) {
Thomas Petazzoni4ca2c042013-07-26 10:17:42 -0300369 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_TARGET(0),
370 ORION_MBUS_DEVBUS_ATTR(0),
371 KUROBOX_PRO_NAND_BASE,
372 KUROBOX_PRO_NAND_SIZE);
Lennert Buytenhek044f6c72008-04-22 05:37:12 +0200373 platform_device_register(&kurobox_pro_nand_flash);
374 }
375
376 i2c_register_board_info(0, &kurobox_pro_i2c_rtc, 1);
Sylver Bruneaua0087f22008-04-30 08:14:58 +0200377
378 /* register Kurobox Pro specific power-off method */
379 pm_power_off = kurobox_pro_power_off;
Ronen Shitrit1e780452007-10-23 15:14:42 -0400380}
381
Byron Bradley87549252008-04-09 21:50:16 +0100382#ifdef CONFIG_MACH_KUROBOX_PRO
Ronen Shitrit1e780452007-10-23 15:14:42 -0400383MACHINE_START(KUROBOX_PRO, "Buffalo/Revogear Kurobox Pro")
384 /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
Nicolas Pitre65aa1b12011-07-05 22:38:15 -0400385 .atag_offset = 0x100,
Ronen Shitrit1e780452007-10-23 15:14:42 -0400386 .init_machine = kurobox_pro_init,
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400387 .map_io = orion5x_map_io,
Lennert Buytenhek4ee1f6b2010-10-15 16:50:26 +0200388 .init_early = orion5x_init_early,
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400389 .init_irq = orion5x_init_irq,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700390 .init_time = orion5x_timer_init,
Guennadi Liakhovetskibe73a342008-02-29 21:12:57 +0100391 .fixup = tag_fixup_mem32,
Russell King764cbcc22011-11-05 10:13:41 +0000392 .restart = orion5x_restart,
Ronen Shitrit1e780452007-10-23 15:14:42 -0400393MACHINE_END
Byron Bradley87549252008-04-09 21:50:16 +0100394#endif
395
396#ifdef CONFIG_MACH_LINKSTATION_PRO
397MACHINE_START(LINKSTATION_PRO, "Buffalo Linkstation Pro/Live")
398 /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
Nicolas Pitre65aa1b12011-07-05 22:38:15 -0400399 .atag_offset = 0x100,
Byron Bradley87549252008-04-09 21:50:16 +0100400 .init_machine = kurobox_pro_init,
401 .map_io = orion5x_map_io,
Lennert Buytenhek4ee1f6b2010-10-15 16:50:26 +0200402 .init_early = orion5x_init_early,
Byron Bradley87549252008-04-09 21:50:16 +0100403 .init_irq = orion5x_init_irq,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700404 .init_time = orion5x_timer_init,
Byron Bradley87549252008-04-09 21:50:16 +0100405 .fixup = tag_fixup_mem32,
Russell King764cbcc22011-11-05 10:13:41 +0000406 .restart = orion5x_restart,
Byron Bradley87549252008-04-09 21:50:16 +0100407MACHINE_END
408#endif