| /* |
| * 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 |