2 * arch/sh/boards/renesas/r7780rp/setup.c
4 * Renesas Solutions Highlander Support.
6 * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
7 * Copyright (C) 2005 - 2008 Paul Mundt
9 * This contains support for the R7780RP-1, R7780MP, and R7785RP
12 * This file is subject to the terms and conditions of the GNU General Public
13 * License. See the file "COPYING" in the main directory of this archive
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/ata_platform.h>
19 #include <linux/types.h>
20 #include <linux/mtd/physmap.h>
21 #include <linux/i2c.h>
22 #include <linux/irq.h>
23 #include <linux/interrupt.h>
24 #include <linux/usb/r8a66597.h>
25 #include <linux/usb/m66592.h>
26 #include <net/ax88796.h>
27 #include <asm/machvec.h>
28 #include <mach/highlander.h>
29 #include <asm/clock.h>
30 #include <asm/heartbeat.h>
32 #include <asm/io_trapped.h>
34 static struct r8a66597_platdata r8a66597_data = {
35 .xtal = R8A66597_PLATDATA_XTAL_12MHZ,
39 static struct resource r8a66597_usb_host_resources[] = {
43 .flags = IORESOURCE_MEM,
46 .start = IRQ_EXT1, /* irq number */
48 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
52 static struct platform_device r8a66597_usb_host_device = {
53 .name = "r8a66597_hcd",
56 .dma_mask = NULL, /* don't use dma */
57 .coherent_dma_mask = 0xffffffff,
58 .platform_data = &r8a66597_data,
60 .num_resources = ARRAY_SIZE(r8a66597_usb_host_resources),
61 .resource = r8a66597_usb_host_resources,
64 static struct m66592_platdata usbf_platdata = {
65 .xtal = M66592_PLATDATA_XTAL_24MHZ,
69 static struct resource m66592_usb_peripheral_resources[] = {
74 .flags = IORESOURCE_MEM,
78 .start = IRQ_EXT4, /* irq number */
80 .flags = IORESOURCE_IRQ,
84 static struct platform_device m66592_usb_peripheral_device = {
88 .dma_mask = NULL, /* don't use dma */
89 .coherent_dma_mask = 0xffffffff,
90 .platform_data = &usbf_platdata,
92 .num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources),
93 .resource = m66592_usb_peripheral_resources,
96 static struct resource cf_ide_resources[] = {
98 .start = PA_AREA5_IO + 0x1000,
99 .end = PA_AREA5_IO + 0x1000 + 0x08 - 1,
100 .flags = IORESOURCE_MEM,
103 .start = PA_AREA5_IO + 0x80c,
104 .end = PA_AREA5_IO + 0x80c + 0x16 - 1,
105 .flags = IORESOURCE_MEM,
109 .flags = IORESOURCE_IRQ,
113 static struct pata_platform_info pata_info = {
117 static struct platform_device cf_ide_device = {
118 .name = "pata_platform",
120 .num_resources = ARRAY_SIZE(cf_ide_resources),
121 .resource = cf_ide_resources,
123 .platform_data = &pata_info,
127 static struct resource heartbeat_resources[] = {
131 .flags = IORESOURCE_MEM,
135 #ifndef CONFIG_SH_R7785RP
136 static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
138 static struct heartbeat_data heartbeat_data = {
139 .bit_pos = heartbeat_bit_pos,
140 .nr_bits = ARRAY_SIZE(heartbeat_bit_pos),
144 static struct platform_device heartbeat_device = {
148 /* R7785RP has a slightly more sensible FPGA.. */
149 #ifndef CONFIG_SH_R7785RP
151 .platform_data = &heartbeat_data,
154 .num_resources = ARRAY_SIZE(heartbeat_resources),
155 .resource = heartbeat_resources,
158 static struct ax_plat_data ax88796_platdata = {
159 .flags = AXFLG_HAS_93CX6,
165 static struct resource ax88796_resources[] = {
167 #ifdef CONFIG_SH_R7780RP
169 .end = 0xa5800400 + (0x20 * 0x2) - 1,
172 .end = 0xa4100400 + (0x20 * 0x2) - 1,
174 .flags = IORESOURCE_MEM,
177 .start = IRQ_AX88796,
179 .flags = IORESOURCE_IRQ,
183 static struct platform_device ax88796_device = {
188 .platform_data = &ax88796_platdata,
191 .num_resources = ARRAY_SIZE(ax88796_resources),
192 .resource = ax88796_resources,
195 static struct mtd_partition nor_flash_partitions[] = {
198 .offset = 0x00000000,
203 .offset = MTDPART_OFS_APPEND,
208 .offset = MTDPART_OFS_APPEND,
209 .size = 4 * 1024 * 1024,
213 .offset = MTDPART_OFS_APPEND,
214 .size = MTDPART_SIZ_FULL,
218 static struct physmap_flash_data nor_flash_data = {
220 .parts = nor_flash_partitions,
221 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
224 /* This config is flash board for mass production. */
225 static struct resource nor_flash_resources[] = {
227 .start = PA_NORFLASH_ADDR,
228 .end = PA_NORFLASH_ADDR + PA_NORFLASH_SIZE - 1,
229 .flags = IORESOURCE_MEM,
233 static struct platform_device nor_flash_device = {
234 .name = "physmap-flash",
236 .platform_data = &nor_flash_data,
238 .num_resources = ARRAY_SIZE(nor_flash_resources),
239 .resource = nor_flash_resources,
242 static struct resource smbus_resources[] = {
245 .end = PA_SMCR + 0x100 - 1,
246 .flags = IORESOURCE_MEM,
251 .flags = IORESOURCE_IRQ,
255 static struct platform_device smbus_device = {
256 .name = "i2c-highlander",
258 .num_resources = ARRAY_SIZE(smbus_resources),
259 .resource = smbus_resources,
262 static struct i2c_board_info __initdata highlander_i2c_devices[] = {
264 I2C_BOARD_INFO("r2025sd", 0x32),
268 static struct platform_device *r7780rp_devices[] __initdata = {
269 &r8a66597_usb_host_device,
270 &m66592_usb_peripheral_device,
274 #ifndef CONFIG_SH_R7780RP
280 * The CF is connected using a 16-bit bus where 8-bit operations are
281 * unsupported. The linux ata driver is however using 8-bit operations, so
282 * insert a trapped io filter to convert 8-bit operations into 16-bit.
284 static struct trapped_io cf_trapped_io = {
285 .resource = cf_ide_resources,
287 .minimum_bus_width = 16,
290 static int __init r7780rp_devices_setup(void)
294 #ifndef CONFIG_SH_R7780RP
295 if (register_trapped_io(&cf_trapped_io) == 0)
296 ret |= platform_device_register(&cf_ide_device);
299 ret |= platform_add_devices(r7780rp_devices,
300 ARRAY_SIZE(r7780rp_devices));
302 ret |= i2c_register_board_info(0, highlander_i2c_devices,
303 ARRAY_SIZE(highlander_i2c_devices));
307 device_initcall(r7780rp_devices_setup);
310 * Platform specific clocks
312 static int ivdr_clk_enable(struct clk *clk)
314 __raw_writew(__raw_readw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
318 static void ivdr_clk_disable(struct clk *clk)
320 __raw_writew(__raw_readw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
323 static struct clk_ops ivdr_clk_ops = {
324 .enable = ivdr_clk_enable,
325 .disable = ivdr_clk_disable,
328 static struct clk ivdr_clk = {
330 .ops = &ivdr_clk_ops,
333 static struct clk *r7780rp_clocks[] = {
337 static void r7780rp_power_off(void)
339 if (mach_is_r7780mp() || mach_is_r7785rp())
340 __raw_writew(0x0001, PA_POFF);
344 * Initialize the board
346 static void __init highlander_setup(char **cmdline_p)
348 u16 ver = __raw_readw(PA_VERREG);
351 printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
352 mach_is_r7780rp() ? "R7780RP-1" :
353 mach_is_r7780mp() ? "R7780MP" :
356 printk(KERN_INFO "Board version: %d (revision %d), "
357 "FPGA version: %d (revision %d)\n",
358 (ver >> 12) & 0xf, (ver >> 8) & 0xf,
359 (ver >> 4) & 0xf, ver & 0xf);
361 highlander_plat_pinmux_setup();
364 * Enable the important clocks right away..
366 for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
367 struct clk *clk = r7780rp_clocks[i];
373 __raw_writew(0x0000, PA_OBLED); /* Clear LED. */
375 if (mach_is_r7780rp())
376 __raw_writew(0x0001, PA_SDPOW); /* SD Power ON */
378 __raw_writew(__raw_readw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */
380 pm_power_off = r7780rp_power_off;
383 static unsigned char irl2irq[HL_NR_IRL];
385 static int highlander_irq_demux(int irq)
387 if (irq >= HL_NR_IRL || irq < 0 || !irl2irq[irq])
393 static void __init highlander_init_irq(void)
395 unsigned char *ucp = highlander_plat_irq_setup();
398 plat_irq_setup_pins(IRQ_MODE_IRL3210);
399 memcpy(irl2irq, ucp, HL_NR_IRL);
406 static struct sh_machine_vector mv_highlander __initmv = {
407 .mv_name = "Highlander",
408 .mv_setup = highlander_setup,
409 .mv_init_irq = highlander_init_irq,
410 .mv_irq_demux = highlander_irq_demux,