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author | Ingo Molnar <mingo@elte.hu> | 2008-08-11 13:27:47 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-11 13:27:47 +0200 |
commit | c4c0c56a7a85ed5725786219e4fbca7e840b1531 (patch) | |
tree | c9d6b35a571fd5e80ddf5bf4a60142480eaa18d8 /arch/sh/boards/mach-highlander/setup.c | |
parent | rcu classic: new algorithm for callbacks-processing(v2) (diff) | |
parent | Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/c... (diff) | |
download | linux-c4c0c56a7a85ed5725786219e4fbca7e840b1531.tar.xz linux-c4c0c56a7a85ed5725786219e4fbca7e840b1531.zip |
Merge branch 'linus' into core/rcu
Diffstat (limited to 'arch/sh/boards/mach-highlander/setup.c')
-rw-r--r-- | arch/sh/boards/mach-highlander/setup.c | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c new file mode 100644 index 000000000000..bc79afb6fc4c --- /dev/null +++ b/arch/sh/boards/mach-highlander/setup.c @@ -0,0 +1,345 @@ +/* + * arch/sh/boards/renesas/r7780rp/setup.c + * + * Renesas Solutions Highlander Support. + * + * Copyright (C) 2002 Atom Create Engineering Co., Ltd. + * Copyright (C) 2005 - 2008 Paul Mundt + * + * This contains support for the R7780RP-1, R7780MP, and R7785RP + * Highlander modules. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/ata_platform.h> +#include <linux/types.h> +#include <linux/i2c.h> +#include <net/ax88796.h> +#include <asm/machvec.h> +#include <asm/r7780rp.h> +#include <asm/clock.h> +#include <asm/heartbeat.h> +#include <asm/io.h> +#include <asm/io_trapped.h> + +static struct resource r8a66597_usb_host_resources[] = { + [0] = { + .name = "r8a66597_hcd", + .start = 0xA4200000, + .end = 0xA42000FF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "r8a66597_hcd", + .start = IRQ_EXT1, /* irq number */ + .end = IRQ_EXT1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device r8a66597_usb_host_device = { + .name = "r8a66597_hcd", + .id = -1, + .dev = { + .dma_mask = NULL, /* don't use dma */ + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(r8a66597_usb_host_resources), + .resource = r8a66597_usb_host_resources, +}; + +static struct resource m66592_usb_peripheral_resources[] = { + [0] = { + .name = "m66592_udc", + .start = 0xb0000000, + .end = 0xb00000FF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "m66592_udc", + .start = IRQ_EXT4, /* irq number */ + .end = IRQ_EXT4, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device m66592_usb_peripheral_device = { + .name = "m66592_udc", + .id = -1, + .dev = { + .dma_mask = NULL, /* don't use dma */ + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources), + .resource = m66592_usb_peripheral_resources, +}; + +static struct resource cf_ide_resources[] = { + [0] = { + .start = PA_AREA5_IO + 0x1000, + .end = PA_AREA5_IO + 0x1000 + 0x08 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = PA_AREA5_IO + 0x80c, + .end = PA_AREA5_IO + 0x80c + 0x16 - 1, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = IRQ_CF, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct pata_platform_info pata_info = { + .ioport_shift = 1, +}; + +static struct platform_device cf_ide_device = { + .name = "pata_platform", + .id = -1, + .num_resources = ARRAY_SIZE(cf_ide_resources), + .resource = cf_ide_resources, + .dev = { + .platform_data = &pata_info, + }, +}; + +static struct resource heartbeat_resources[] = { + [0] = { + .start = PA_OBLED, + .end = PA_OBLED, + .flags = IORESOURCE_MEM, + }, +}; + +#ifndef CONFIG_SH_R7785RP +static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 }; + +static struct heartbeat_data heartbeat_data = { + .bit_pos = heartbeat_bit_pos, + .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), +}; +#endif + +static struct platform_device heartbeat_device = { + .name = "heartbeat", + .id = -1, + + /* R7785RP has a slightly more sensible FPGA.. */ +#ifndef CONFIG_SH_R7785RP + .dev = { + .platform_data = &heartbeat_data, + }, +#endif + .num_resources = ARRAY_SIZE(heartbeat_resources), + .resource = heartbeat_resources, +}; + +static struct ax_plat_data ax88796_platdata = { + .flags = AXFLG_HAS_93CX6, + .wordlength = 2, + .dcr_val = 0x1, + .rcr_val = 0x40, +}; + +static struct resource ax88796_resources[] = { + { +#ifdef CONFIG_SH_R7780RP + .start = 0xa5800400, + .end = 0xa5800400 + (0x20 * 0x2) - 1, +#else + .start = 0xa4100400, + .end = 0xa4100400 + (0x20 * 0x2) - 1, +#endif + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_AX88796, + .end = IRQ_AX88796, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device ax88796_device = { + .name = "ax88796", + .id = 0, + + .dev = { + .platform_data = &ax88796_platdata, + }, + + .num_resources = ARRAY_SIZE(ax88796_resources), + .resource = ax88796_resources, +}; + +static struct resource smbus_resources[] = { + [0] = { + .start = PA_SMCR, + .end = PA_SMCR + 0x100 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SMBUS, + .end = IRQ_SMBUS, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device smbus_device = { + .name = "i2c-highlander", + .id = 0, + .num_resources = ARRAY_SIZE(smbus_resources), + .resource = smbus_resources, +}; + +static struct i2c_board_info __initdata highlander_i2c_devices[] = { + { + I2C_BOARD_INFO("r2025sd", 0x32), + }, +}; + +static struct platform_device *r7780rp_devices[] __initdata = { + &r8a66597_usb_host_device, + &m66592_usb_peripheral_device, + &heartbeat_device, + &smbus_device, +#ifndef CONFIG_SH_R7780RP + &ax88796_device, +#endif +}; + +/* + * The CF is connected using a 16-bit bus where 8-bit operations are + * unsupported. The linux ata driver is however using 8-bit operations, so + * insert a trapped io filter to convert 8-bit operations into 16-bit. + */ +static struct trapped_io cf_trapped_io = { + .resource = cf_ide_resources, + .num_resources = 2, + .minimum_bus_width = 16, +}; + +static int __init r7780rp_devices_setup(void) +{ + int ret = 0; + +#ifndef CONFIG_SH_R7780RP + if (register_trapped_io(&cf_trapped_io) == 0) + ret |= platform_device_register(&cf_ide_device); +#endif + + ret |= platform_add_devices(r7780rp_devices, + ARRAY_SIZE(r7780rp_devices)); + + ret |= i2c_register_board_info(0, highlander_i2c_devices, + ARRAY_SIZE(highlander_i2c_devices)); + + return ret; +} +device_initcall(r7780rp_devices_setup); + +/* + * Platform specific clocks + */ +static void ivdr_clk_enable(struct clk *clk) +{ + ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL); +} + +static void ivdr_clk_disable(struct clk *clk) +{ + ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL); +} + +static struct clk_ops ivdr_clk_ops = { + .enable = ivdr_clk_enable, + .disable = ivdr_clk_disable, +}; + +static struct clk ivdr_clk = { + .name = "ivdr_clk", + .ops = &ivdr_clk_ops, +}; + +static struct clk *r7780rp_clocks[] = { + &ivdr_clk, +}; + +static void r7780rp_power_off(void) +{ + if (mach_is_r7780mp() || mach_is_r7785rp()) + ctrl_outw(0x0001, PA_POFF); +} + +/* + * Initialize the board + */ +static void __init highlander_setup(char **cmdline_p) +{ + u16 ver = ctrl_inw(PA_VERREG); + int i; + + printk(KERN_INFO "Renesas Solutions Highlander %s support.\n", + mach_is_r7780rp() ? "R7780RP-1" : + mach_is_r7780mp() ? "R7780MP" : + "R7785RP"); + + printk(KERN_INFO "Board version: %d (revision %d), " + "FPGA version: %d (revision %d)\n", + (ver >> 12) & 0xf, (ver >> 8) & 0xf, + (ver >> 4) & 0xf, ver & 0xf); + + /* + * Enable the important clocks right away.. + */ + for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) { + struct clk *clk = r7780rp_clocks[i]; + + clk_register(clk); + clk_enable(clk); + } + + ctrl_outw(0x0000, PA_OBLED); /* Clear LED. */ + + if (mach_is_r7780rp()) + ctrl_outw(0x0001, PA_SDPOW); /* SD Power ON */ + + ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */ + + pm_power_off = r7780rp_power_off; +} + +static unsigned char irl2irq[HL_NR_IRL]; + +static int highlander_irq_demux(int irq) +{ + if (irq >= HL_NR_IRL || !irl2irq[irq]) + return irq; + + return irl2irq[irq]; +} + +static void __init highlander_init_irq(void) +{ + unsigned char *ucp = highlander_plat_irq_setup(); + + if (ucp) { + plat_irq_setup_pins(IRQ_MODE_IRL3210); + memcpy(irl2irq, ucp, HL_NR_IRL); + } +} + +/* + * The Machine Vector + */ +static struct sh_machine_vector mv_highlander __initmv = { + .mv_name = "Highlander", + .mv_setup = highlander_setup, + .mv_init_irq = highlander_init_irq, + .mv_irq_demux = highlander_irq_demux, +}; |