| /* |
| * 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: |
| * 2006 Pavel Machek <pavel@suse.cz> |
| * 03-06-2004 John Lenz <lenz@cs.wisc.edu> |
| * 06-04-2002 Chris Larson <kergoth@digitalnemesis.net> |
| * 04-16-2001 Lineo Japan,Inc. ... |
| */ |
| |
| #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 <mach/hardware.h> |
| #include <asm/mach-types.h> |
| #include <asm/irq.h> |
| #include <asm/setup.h> |
| #include <mach/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 <mach/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 | MCCR0_ExtClk, |
| .sclk_rate = 9216000, |
| }; |
| |
| #ifdef CONFIG_SHARP_LOCOMO |
| /* |
| * low-level UART features. |
| */ |
| struct platform_device collie_locomo_device; |
| |
| static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl) |
| { |
| if (mctrl & TIOCM_RTS) |
| locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0); |
| else |
| locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1); |
| |
| if (mctrl & TIOCM_DTR) |
| locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0); |
| else |
| locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1); |
| } |
| |
| static u_int collie_uart_get_mctrl(struct uart_port *port) |
| { |
| int ret = TIOCM_CD; |
| unsigned int r; |
| |
| r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR); |
| if (r == -ENODEV) |
| return ret; |
| if (r & LOCOMO_GPIO_CTS) |
| ret |= TIOCM_CTS; |
| if (r & LOCOMO_GPIO_DSR) |
| ret |= TIOCM_DSR; |
| |
| return ret; |
| } |
| |
| static struct sa1100_port_fns collie_port_fns __initdata = { |
| .set_mctrl = collie_uart_set_mctrl, |
| .get_mctrl = collie_uart_get_mctrl, |
| }; |
| |
| static int collie_uart_probe(struct locomo_dev *dev) |
| { |
| return 0; |
| } |
| |
| static int collie_uart_remove(struct locomo_dev *dev) |
| { |
| return 0; |
| } |
| |
| static struct locomo_driver collie_uart_driver = { |
| .drv = { |
| .name = "collie_uart", |
| }, |
| .devid = LOCOMO_DEVID_UART, |
| .probe = collie_uart_probe, |
| .remove = collie_uart_remove, |
| }; |
| |
| static int __init collie_uart_init(void) { |
| return locomo_driver_register(&collie_uart_driver); |
| } |
| device_initcall(collie_uart_init); |
| |
| #endif |
| |
| |
| static struct resource locomo_resources[] = { |
| [0] = { |
| .start = 0x40000000, |
| .end = 0x40001fff, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = IRQ_GPIO25, |
| .end = IRQ_GPIO25, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| struct platform_device collie_locomo_device = { |
| .name = "locomo", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(locomo_resources), |
| .resource = locomo_resources, |
| }; |
| |
| static struct platform_device *devices[] __initdata = { |
| &collie_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_MCP_CLK | 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 | |
| COLLIE_GPIO_UCB1x00_RESET | COLLIE_GPIO_nMIC_ON | |
| COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz; |
| |
| 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_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM; |
| |
| PWER = COLLIE_GPIO_AC_IN | COLLIE_GPIO_CO | COLLIE_GPIO_ON_KEY | |
| COLLIE_GPIO_WAKEUP | COLLIE_GPIO_nREMOCON_INT | PWER_RTC; |
| |
| PGSR = COLLIE_GPIO_nREMOCON_ON; |
| |
| PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4; |
| |
| PCFR = PCFR_OPDE; |
| |
| |
| 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)); |
| |
| #ifdef CONFIG_SHARP_LOCOMO |
| sa1100_register_uart_fns(&collie_port_fns); |
| #endif |
| sa1100_register_uart(0, 3); |
| sa1100_register_uart(1, 1); |
| } |
| |
| 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 |