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 - 2007 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/pata_platform.h>
19 #include <asm/machvec.h>
20 #include <asm/r7780rp.h>
21 #include <asm/clock.h>
22 #include <asm/heartbeat.h>
25 static struct resource r8a66597_usb_host_resources
[] = {
27 .name
= "r8a66597_hcd",
30 .flags
= IORESOURCE_MEM
,
33 .name
= "r8a66597_hcd",
34 .start
= IRQ_EXT1
, /* irq number */
36 .flags
= IORESOURCE_IRQ
,
40 static struct platform_device r8a66597_usb_host_device
= {
41 .name
= "r8a66597_hcd",
44 .dma_mask
= NULL
, /* don't use dma */
45 .coherent_dma_mask
= 0xffffffff,
47 .num_resources
= ARRAY_SIZE(r8a66597_usb_host_resources
),
48 .resource
= r8a66597_usb_host_resources
,
51 static struct resource m66592_usb_peripheral_resources
[] = {
56 .flags
= IORESOURCE_MEM
,
60 .start
= IRQ_EXT4
, /* irq number */
62 .flags
= IORESOURCE_IRQ
,
66 static struct platform_device m66592_usb_peripheral_device
= {
70 .dma_mask
= NULL
, /* don't use dma */
71 .coherent_dma_mask
= 0xffffffff,
73 .num_resources
= ARRAY_SIZE(m66592_usb_peripheral_resources
),
74 .resource
= m66592_usb_peripheral_resources
,
77 static struct resource cf_ide_resources
[] = {
79 .start
= PA_AREA5_IO
+ 0x1000,
80 .end
= PA_AREA5_IO
+ 0x1000 + 0x08 - 1,
81 .flags
= IORESOURCE_MEM
,
84 .start
= PA_AREA5_IO
+ 0x80c,
85 .end
= PA_AREA5_IO
+ 0x80c + 0x16 - 1,
86 .flags
= IORESOURCE_MEM
,
90 .flags
= IORESOURCE_IRQ
,
94 static struct pata_platform_info pata_info
= {
98 static struct platform_device cf_ide_device
= {
99 .name
= "pata_platform",
101 .num_resources
= ARRAY_SIZE(cf_ide_resources
),
102 .resource
= cf_ide_resources
,
104 .platform_data
= &pata_info
,
108 static struct resource heartbeat_resources
[] = {
112 .flags
= IORESOURCE_MEM
,
116 #ifndef CONFIG_SH_R7785RP
117 static unsigned char heartbeat_bit_pos
[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
119 static struct heartbeat_data heartbeat_data
= {
120 .bit_pos
= heartbeat_bit_pos
,
121 .nr_bits
= ARRAY_SIZE(heartbeat_bit_pos
),
125 static struct platform_device heartbeat_device
= {
129 /* R7785RP has a slightly more sensible FPGA.. */
130 #ifndef CONFIG_SH_R7785RP
132 .platform_data
= &heartbeat_data
,
135 .num_resources
= ARRAY_SIZE(heartbeat_resources
),
136 .resource
= heartbeat_resources
,
139 static struct platform_device
*r7780rp_devices
[] __initdata
= {
140 &r8a66597_usb_host_device
,
141 &m66592_usb_peripheral_device
,
146 static int __init
r7780rp_devices_setup(void)
148 return platform_add_devices(r7780rp_devices
,
149 ARRAY_SIZE(r7780rp_devices
));
151 device_initcall(r7780rp_devices_setup
);
154 * Platform specific clocks
156 static void ivdr_clk_enable(struct clk
*clk
)
158 ctrl_outw(ctrl_inw(PA_IVDRCTL
) | (1 << IVDR_CK_ON
), PA_IVDRCTL
);
161 static void ivdr_clk_disable(struct clk
*clk
)
163 ctrl_outw(ctrl_inw(PA_IVDRCTL
) & ~(1 << IVDR_CK_ON
), PA_IVDRCTL
);
166 static struct clk_ops ivdr_clk_ops
= {
167 .enable
= ivdr_clk_enable
,
168 .disable
= ivdr_clk_disable
,
171 static struct clk ivdr_clk
= {
173 .ops
= &ivdr_clk_ops
,
176 static struct clk
*r7780rp_clocks
[] = {
180 static void r7780rp_power_off(void)
182 if (mach_is_r7780mp() || mach_is_r7785rp())
183 ctrl_outw(0x0001, PA_POFF
);
187 * Initialize the board
189 static void __init
highlander_setup(char **cmdline_p
)
191 u16 ver
= ctrl_inw(PA_VERREG
);
194 printk(KERN_INFO
"Renesas Solutions Highlander %s support.\n",
195 mach_is_r7780rp() ? "R7780RP-1" :
196 mach_is_r7780mp() ? "R7780MP" :
199 printk(KERN_INFO
"Board version: %d (revision %d), "
200 "FPGA version: %d (revision %d)\n",
201 (ver
>> 12) & 0xf, (ver
>> 8) & 0xf,
202 (ver
>> 4) & 0xf, ver
& 0xf);
205 * Enable the important clocks right away..
207 for (i
= 0; i
< ARRAY_SIZE(r7780rp_clocks
); i
++) {
208 struct clk
*clk
= r7780rp_clocks
[i
];
214 ctrl_outw(0x0000, PA_OBLED
); /* Clear LED. */
216 if (mach_is_r7780rp())
217 ctrl_outw(0x0001, PA_SDPOW
); /* SD Power ON */
219 ctrl_outw(ctrl_inw(PA_IVDRCTL
) | 0x01, PA_IVDRCTL
); /* Si13112 */
221 pm_power_off
= r7780rp_power_off
;
224 static unsigned char irl2irq
[HL_NR_IRL
];
226 int highlander_irq_demux(int irq
)
228 if (irq
>= HL_NR_IRL
|| !irl2irq
[irq
])
234 void __init
highlander_init_irq(void)
236 unsigned char *ucp
= NULL
;
239 #ifdef CONFIG_SH_R7780MP
240 ucp
= highlander_init_irq_r7780mp();
244 #ifdef CONFIG_SH_R7785RP
245 ucp
= highlander_init_irq_r7785rp();
249 #ifdef CONFIG_SH_R7780RP
250 highlander_init_irq_r7780rp();
257 plat_irq_setup_pins(IRQ_MODE_IRL3210
);
258 memcpy(irl2irq
, ucp
, HL_NR_IRL
);
265 static struct sh_machine_vector mv_highlander __initmv
= {
266 .mv_name
= "Highlander",
267 .mv_setup
= highlander_setup
,
268 .mv_init_irq
= highlander_init_irq
,
269 .mv_irq_demux
= highlander_irq_demux
,