2 * Renesas Technology Sales RTS7751R2D Support.
4 * Copyright (C) 2002 - 2006 Atom Create Engineering Co., Ltd.
5 * Copyright (C) 2004 - 2007 Paul Mundt
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file "COPYING" in the main directory of this archive
11 #include <linux/init.h>
12 #include <linux/platform_device.h>
13 #include <linux/ata_platform.h>
14 #include <linux/sm501.h>
15 #include <linux/sm501-regs.h>
18 #include <linux/spi/spi.h>
19 #include <linux/spi/spi_bitbang.h>
20 #include <asm/machvec.h>
23 #include <asm/io_trapped.h>
26 static struct resource cf_ide_resources
[] = {
28 .start
= PA_AREA5_IO
+ 0x1000,
29 .end
= PA_AREA5_IO
+ 0x1000 + 0x10 - 0x2,
30 .flags
= IORESOURCE_MEM
,
33 .start
= PA_AREA5_IO
+ 0x80c,
34 .end
= PA_AREA5_IO
+ 0x80c,
35 .flags
= IORESOURCE_MEM
,
37 #ifndef CONFIG_RTS7751R2D_1 /* For R2D-1 polling is preferred */
40 .flags
= IORESOURCE_IRQ
,
45 static struct pata_platform_info pata_info
= {
49 static struct platform_device cf_ide_device
= {
50 .name
= "pata_platform",
52 .num_resources
= ARRAY_SIZE(cf_ide_resources
),
53 .resource
= cf_ide_resources
,
55 .platform_data
= &pata_info
,
59 static struct spi_board_info spi_bus
[] = {
61 .modalias
= "rtc-r9701",
62 .max_speed_hz
= 1000000,
67 static void r2d_chip_select(struct sh_spi_info
*spi
, int cs
, int state
)
69 BUG_ON(cs
!= 0); /* Single Epson RTC-9701JE attached on CS0 */
70 ctrl_outw(state
== BITBANG_CS_ACTIVE
, PA_RTCCE
);
73 static struct sh_spi_info spi_info
= {
75 .chip_select
= r2d_chip_select
,
78 static struct resource spi_sh_sci_resources
[] = {
82 .flags
= IORESOURCE_MEM
,
86 static struct platform_device spi_sh_sci_device
= {
89 .num_resources
= ARRAY_SIZE(spi_sh_sci_resources
),
90 .resource
= spi_sh_sci_resources
,
92 .platform_data
= &spi_info
,
96 static struct resource heartbeat_resources
[] = {
100 .flags
= IORESOURCE_MEM
,
104 static struct platform_device heartbeat_device
= {
107 .num_resources
= ARRAY_SIZE(heartbeat_resources
),
108 .resource
= heartbeat_resources
,
111 static struct resource sm501_resources
[] = {
114 .end
= 0x13e00000 - 1,
115 .flags
= IORESOURCE_MEM
,
120 .flags
= IORESOURCE_MEM
,
123 .start
= IRQ_VOYAGER
,
124 .flags
= IORESOURCE_IRQ
,
128 static struct fb_videomode sm501_default_mode
= {
138 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
141 static struct sm501_platdata_fbsub sm501_pdata_fbsub_pnl
= {
143 .def_mode
= &sm501_default_mode
,
144 .flags
= SM501FB_FLAG_USE_INIT_MODE
|
145 SM501FB_FLAG_USE_HWCURSOR
|
146 SM501FB_FLAG_USE_HWACCEL
|
147 SM501FB_FLAG_DISABLE_AT_EXIT
,
150 static struct sm501_platdata_fbsub sm501_pdata_fbsub_crt
= {
151 .flags
= (SM501FB_FLAG_USE_INIT_MODE
|
152 SM501FB_FLAG_USE_HWCURSOR
|
153 SM501FB_FLAG_USE_HWACCEL
|
154 SM501FB_FLAG_DISABLE_AT_EXIT
),
158 static struct sm501_platdata_fb sm501_fb_pdata
= {
159 .fb_route
= SM501_FB_OWN
,
160 .fb_crt
= &sm501_pdata_fbsub_crt
,
161 .fb_pnl
= &sm501_pdata_fbsub_pnl
,
162 .flags
= SM501_FBPD_SWAP_FB_ENDIAN
,
165 static struct sm501_initdata sm501_initdata
= {
166 .devices
= SM501_USE_USB_HOST
| SM501_USE_UART0
,
169 static struct sm501_platdata sm501_platform_data
= {
170 .init
= &sm501_initdata
,
171 .fb
= &sm501_fb_pdata
,
174 static struct platform_device sm501_device
= {
178 .platform_data
= &sm501_platform_data
,
180 .num_resources
= ARRAY_SIZE(sm501_resources
),
181 .resource
= sm501_resources
,
184 static struct platform_device
*rts7751r2d_devices
[] __initdata
= {
191 * The CF is connected with a 16-bit bus where 8-bit operations are
192 * unsupported. The linux ata driver is however using 8-bit operations, so
193 * insert a trapped io filter to convert 8-bit operations into 16-bit.
195 static struct trapped_io cf_trapped_io
= {
196 .resource
= cf_ide_resources
,
198 .minimum_bus_width
= 16,
201 static int __init
rts7751r2d_devices_setup(void)
203 if (register_trapped_io(&cf_trapped_io
) == 0)
204 platform_device_register(&cf_ide_device
);
206 spi_register_board_info(spi_bus
, ARRAY_SIZE(spi_bus
));
208 return platform_add_devices(rts7751r2d_devices
,
209 ARRAY_SIZE(rts7751r2d_devices
));
211 __initcall(rts7751r2d_devices_setup
);
213 static void rts7751r2d_power_off(void)
215 ctrl_outw(0x0001, PA_POWOFF
);
219 * Initialize the board
221 static void __init
rts7751r2d_setup(char **cmdline_p
)
223 void __iomem
*sm501_reg
;
224 u16 ver
= ctrl_inw(PA_VERREG
);
226 printk(KERN_INFO
"Renesas Technology Sales RTS7751R2D support.\n");
228 printk(KERN_INFO
"FPGA version:%d (revision:%d)\n",
229 (ver
>> 4) & 0xf, ver
& 0xf);
231 ctrl_outw(0x0000, PA_OUTPORT
);
232 pm_power_off
= rts7751r2d_power_off
;
234 /* sm501 dram configuration:
235 * ColSizeX = 11 - External Memory Column Size: 256 words.
236 * APX = 1 - External Memory Active to Pre-Charge Delay: 7 clocks.
237 * RstX = 1 - External Memory Reset: Normal.
238 * Rfsh = 1 - Local Memory Refresh to Command Delay: 12 clocks.
239 * BwC = 1 - Local Memory Block Write Cycle Time: 2 clocks.
240 * BwP = 1 - Local Memory Block Write to Pre-Charge Delay: 1 clock.
241 * AP = 1 - Internal Memory Active to Pre-Charge Delay: 7 clocks.
242 * Rst = 1 - Internal Memory Reset: Normal.
243 * RA = 1 - Internal Memory Remain in Active State: Do not remain.
246 sm501_reg
= (void __iomem
*)0xb3e00000 + SM501_DRAM_CONTROL
;
247 writel(readl(sm501_reg
) | 0x00f107c0, sm501_reg
);
253 static struct sh_machine_vector mv_rts7751r2d __initmv
= {
254 .mv_name
= "RTS7751R2D",
255 .mv_setup
= rts7751r2d_setup
,
256 .mv_init_irq
= init_rts7751r2d_IRQ
,
257 .mv_irq_demux
= rts7751r2d_irq_demux
,