39374aadcd
Some fixups for the R7785RP board. Gets iVDR working. Signed-off-by: Ryusuke Sakato <sakato.ryusuke@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
176 lines
3.8 KiB
C
176 lines
3.8 KiB
C
/*
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* arch/sh/boards/renesas/r7780rp/setup.c
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*
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* Renesas Solutions Highlander Support.
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*
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* Copyright (C) 2002 Atom Create Engineering Co., Ltd.
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* Copyright (C) 2005 - 2007 Paul Mundt
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*
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* This contains support for the R7780RP-1, R7780MP, and R7785RP
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* Highlander modules.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/pata_platform.h>
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#include <asm/machvec.h>
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#include <asm/r7780rp.h>
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#include <asm/clock.h>
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#include <asm/io.h>
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static struct resource cf_ide_resources[] = {
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[0] = {
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.start = PA_AREA5_IO + 0x1000,
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.end = PA_AREA5_IO + 0x1000 + 0x08 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = PA_AREA5_IO + 0x80c,
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.end = PA_AREA5_IO + 0x80c + 0x16 - 1,
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.flags = IORESOURCE_MEM,
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},
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[2] = {
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#ifdef CONFIG_SH_R7780RP
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.start = 4,
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#else
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.start = 1,
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#endif
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct pata_platform_info pata_info = {
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.ioport_shift = 1,
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};
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static struct platform_device cf_ide_device = {
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.name = "pata_platform",
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.id = -1,
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.num_resources = ARRAY_SIZE(cf_ide_resources),
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.resource = cf_ide_resources,
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.dev = {
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.platform_data = &pata_info,
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},
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};
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static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
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static struct resource heartbeat_resources[] = {
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[0] = {
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.start = PA_OBLED,
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.end = PA_OBLED + ARRAY_SIZE(heartbeat_bit_pos) - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device heartbeat_device = {
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.name = "heartbeat",
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.id = -1,
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/* R7785RP has a slightly more sensible FPGA.. */
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#ifndef CONFIG_SH_R7785RP
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.dev = {
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.platform_data = heartbeat_bit_pos,
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},
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#endif
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.num_resources = ARRAY_SIZE(heartbeat_resources),
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.resource = heartbeat_resources,
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};
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static struct platform_device *r7780rp_devices[] __initdata = {
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&cf_ide_device,
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&heartbeat_device,
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};
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static int __init r7780rp_devices_setup(void)
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{
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return platform_add_devices(r7780rp_devices,
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ARRAY_SIZE(r7780rp_devices));
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}
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device_initcall(r7780rp_devices_setup);
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/*
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* Platform specific clocks
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*/
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static void ivdr_clk_enable(struct clk *clk)
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{
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ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
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}
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static void ivdr_clk_disable(struct clk *clk)
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{
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ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
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}
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static struct clk_ops ivdr_clk_ops = {
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.enable = ivdr_clk_enable,
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.disable = ivdr_clk_disable,
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};
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static struct clk ivdr_clk = {
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.name = "ivdr_clk",
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.ops = &ivdr_clk_ops,
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};
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static struct clk *r7780rp_clocks[] = {
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&ivdr_clk,
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};
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static void r7780rp_power_off(void)
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{
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if (mach_is_r7780mp() || mach_is_r7785rp())
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ctrl_outw(0x0001, PA_POFF);
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}
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/*
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* Initialize the board
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*/
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static void __init highlander_setup(char **cmdline_p)
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{
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u16 ver = ctrl_inw(PA_VERREG);
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int i;
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printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
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mach_is_r7780rp() ? "R7780RP-1" :
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mach_is_r7780mp() ? "R7780MP" :
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"R7785RP");
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printk(KERN_INFO "Board version: %d (revision %d), "
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"FPGA version: %d (revision %d)\n",
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(ver >> 12) & 0xf, (ver >> 8) & 0xf,
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(ver >> 4) & 0xf, ver & 0xf);
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/*
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* Enable the important clocks right away..
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*/
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for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
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struct clk *clk = r7780rp_clocks[i];
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clk_register(clk);
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clk_enable(clk);
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}
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ctrl_outw(0x0000, PA_OBLED); /* Clear LED. */
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if (mach_is_r7780rp())
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ctrl_outw(0x0001, PA_SDPOW); /* SD Power ON */
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ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */
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pm_power_off = r7780rp_power_off;
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}
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/*
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* The Machine Vector
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*/
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struct sh_machine_vector mv_highlander __initmv = {
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.mv_name = "Highlander",
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.mv_nr_irqs = 109,
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.mv_setup = highlander_setup,
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.mv_init_irq = highlander_init_irq,
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};
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ALIAS_MV(highlander)
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