![Pavel Machek](/assets/img/avatar_default.png)
This adds missing bits of collie (sharp sl-5500) PCMCIA support and MFD support. Signed-off-by: Pavel Machek <pavel@suse.cz> Acked-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
231 lines
5.7 KiB
C
231 lines
5.7 KiB
C
/*
|
|
* linux/arch/arm/mach-sa1100/collie.c
|
|
*
|
|
* May be copied or modified under the terms of the GNU General Public
|
|
* License. See linux/COPYING for more information.
|
|
*
|
|
* This file contains all Collie-specific tweaks.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* ChangeLog:
|
|
* 03-06-2004 John Lenz <jelenz@wisc.edu>
|
|
* 06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
|
|
* 04-16-2001 Lineo Japan,Inc. ...
|
|
*/
|
|
|
|
#include <linux/config.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/tty.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/timer.h>
|
|
|
|
#include <asm/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/arch/collie.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/flash.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/serial_sa1100.h>
|
|
|
|
#include <asm/hardware/scoop.h>
|
|
#include <asm/mach/sharpsl_param.h>
|
|
#include <asm/hardware/locomo.h>
|
|
#include <asm/arch/mcp.h>
|
|
|
|
#include "generic.h"
|
|
|
|
static struct resource collie_scoop_resources[] = {
|
|
[0] = {
|
|
.start = 0x40800000,
|
|
.end = 0x40800fff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct scoop_config collie_scoop_setup = {
|
|
.io_dir = COLLIE_SCOOP_IO_DIR,
|
|
.io_out = COLLIE_SCOOP_IO_OUT,
|
|
};
|
|
|
|
struct platform_device colliescoop_device = {
|
|
.name = "sharp-scoop",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &collie_scoop_setup,
|
|
},
|
|
.num_resources = ARRAY_SIZE(collie_scoop_resources),
|
|
.resource = collie_scoop_resources,
|
|
};
|
|
|
|
static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
|
|
{
|
|
.dev = &colliescoop_device.dev,
|
|
.irq = COLLIE_IRQ_GPIO_CF_IRQ,
|
|
.cd_irq = COLLIE_IRQ_GPIO_CF_CD,
|
|
.cd_irq_str = "PCMCIA0 CD",
|
|
},
|
|
};
|
|
|
|
static struct scoop_pcmcia_config collie_pcmcia_config = {
|
|
.devs = &collie_pcmcia_scoop[0],
|
|
.num_devs = 1,
|
|
};
|
|
|
|
|
|
static struct mcp_plat_data collie_mcp_data = {
|
|
.mccr0 = MCCR0_ADM,
|
|
.sclk_rate = 11981000,
|
|
};
|
|
|
|
|
|
static struct sa1100_port_fns collie_port_fns __initdata = {
|
|
.set_mctrl = collie_uart_set_mctrl,
|
|
.get_mctrl = collie_uart_get_mctrl,
|
|
};
|
|
|
|
|
|
static struct resource locomo_resources[] = {
|
|
[0] = {
|
|
.start = 0x40000000,
|
|
.end = 0x40001fff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = IRQ_GPIO25,
|
|
.end = IRQ_GPIO25,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device locomo_device = {
|
|
.name = "locomo",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(locomo_resources),
|
|
.resource = locomo_resources,
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&locomo_device,
|
|
&colliescoop_device,
|
|
};
|
|
|
|
static struct mtd_partition collie_partitions[] = {
|
|
{
|
|
.name = "bootloader",
|
|
.offset = 0,
|
|
.size = 0x000C0000,
|
|
.mask_flags = MTD_WRITEABLE
|
|
}, {
|
|
.name = "kernel",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 0x00100000,
|
|
}, {
|
|
.name = "rootfs",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 0x00e20000,
|
|
}
|
|
};
|
|
|
|
static void collie_set_vpp(int vpp)
|
|
{
|
|
write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR) | COLLIE_SCP_VPEN);
|
|
if (vpp)
|
|
write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) | COLLIE_SCP_VPEN);
|
|
else
|
|
write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
|
|
}
|
|
|
|
static struct flash_platform_data collie_flash_data = {
|
|
.map_name = "cfi_probe",
|
|
.set_vpp = collie_set_vpp,
|
|
.parts = collie_partitions,
|
|
.nr_parts = ARRAY_SIZE(collie_partitions),
|
|
};
|
|
|
|
static struct resource collie_flash_resources[] = {
|
|
{
|
|
.start = SA1100_CS0_PHYS,
|
|
.end = SA1100_CS0_PHYS + SZ_32M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
}
|
|
};
|
|
|
|
static void __init collie_init(void)
|
|
{
|
|
int ret = 0;
|
|
|
|
/* cpu initialize */
|
|
GAFR = ( GPIO_SSP_TXD | \
|
|
GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | GPIO_TIC_ACK | \
|
|
GPIO_32_768kHz );
|
|
|
|
GPDR = ( GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | \
|
|
GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | \
|
|
GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | \
|
|
GPIO_SDLC_AAF | GPIO_UART_SCLK1 | GPIO_32_768kHz );
|
|
GPLR = GPIO_GPIO18;
|
|
|
|
// PPC pin setting
|
|
PPDR = ( PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | \
|
|
PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | \
|
|
PPC_TXD1 | PPC_TXD2 | PPC_RXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM );
|
|
|
|
PSDR = ( PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4 );
|
|
|
|
GAFR |= GPIO_32_768kHz;
|
|
GPDR |= GPIO_32_768kHz;
|
|
TUCR = TUCR_32_768kHz;
|
|
|
|
platform_scoop_config = &collie_pcmcia_config;
|
|
|
|
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
if (ret) {
|
|
printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
|
|
}
|
|
|
|
sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
|
|
ARRAY_SIZE(collie_flash_resources));
|
|
sa11x0_set_mcp_data(&collie_mcp_data);
|
|
|
|
sharpsl_save_param();
|
|
}
|
|
|
|
static struct map_desc collie_io_desc[] __initdata = {
|
|
{ /* 32M main flash (cs0) */
|
|
.virtual = 0xe8000000,
|
|
.pfn = __phys_to_pfn(0x00000000),
|
|
.length = 0x02000000,
|
|
.type = MT_DEVICE
|
|
}, { /* 32M boot flash (cs1) */
|
|
.virtual = 0xea000000,
|
|
.pfn = __phys_to_pfn(0x08000000),
|
|
.length = 0x02000000,
|
|
.type = MT_DEVICE
|
|
}
|
|
};
|
|
|
|
static void __init collie_map_io(void)
|
|
{
|
|
sa1100_map_io();
|
|
iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
|
|
}
|
|
|
|
MACHINE_START(COLLIE, "Sharp-Collie")
|
|
.phys_io = 0x80000000,
|
|
.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
|
|
.map_io = collie_map_io,
|
|
.init_irq = sa1100_init_irq,
|
|
.timer = &sa1100_timer,
|
|
.init_machine = collie_init,
|
|
MACHINE_END
|