diff options
Diffstat (limited to 'arch/arm/mach-pxa/idp.c')
| -rw-r--r-- | arch/arm/mach-pxa/idp.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c new file mode 100644 index 000000000000..c5a66bf4d3d5 --- /dev/null +++ b/arch/arm/mach-pxa/idp.c @@ -0,0 +1,190 @@ +/* + * linux/arch/arm/mach-pxa/idp.c + * + * 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. + * + * Copyright (c) 2001 Cliff Brake, Accelent Systems Inc. + * + * 2001-09-13: Cliff Brake <cbrake@accelent.com> + * Initial code + * + * 2005-02-15: Cliff Brake <cliff.brake@gmail.com> + * <http://www.vibren.com> <http://bec-systems.com> + * Updated for 2.6 kernel + * + */ + +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/device.h> +#include <linux/fb.h> + +#include <asm/setup.h> +#include <asm/memory.h> +#include <asm/mach-types.h> +#include <asm/hardware.h> +#include <asm/irq.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <asm/arch/pxa-regs.h> +#include <asm/arch/idp.h> +#include <asm/arch/pxafb.h> +#include <asm/arch/bitfield.h> +#include <asm/arch/mmc.h> + +#include "generic.h" + +/* TODO: + * - add pxa2xx_audio_ops_t device structure + * - Ethernet interrupt + */ + +static struct resource smc91x_resources[] = { + [0] = { + .start = (IDP_ETH_PHYS + 0x300), + .end = (IDP_ETH_PHYS + 0xfffff), + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_GPIO(4), + .end = IRQ_GPIO(4), + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; + +static void idp_backlight_power(int on) +{ + if (on) { + IDP_CPLD_LCD |= (1<<1); + } else { + IDP_CPLD_LCD &= ~(1<<1); + } +} + +static void idp_vlcd(int on) +{ + if (on) { + IDP_CPLD_LCD |= (1<<2); + } else { + IDP_CPLD_LCD &= ~(1<<2); + } +} + +static void idp_lcd_power(int on) +{ + if (on) { + IDP_CPLD_LCD |= (1<<0); + } else { + IDP_CPLD_LCD &= ~(1<<0); + } + + /* call idp_vlcd for now as core driver does not support + * both power and vlcd hooks. Note, this is not technically + * the correct sequence, but seems to work. Disclaimer: + * this may eventually damage the display. + */ + + idp_vlcd(on); +} + +static struct pxafb_mach_info sharp_lm8v31 __initdata = { + .pixclock = 270000, + .xres = 640, + .yres = 480, + .bpp = 16, + .hsync_len = 1, + .left_margin = 3, + .right_margin = 3, + .vsync_len = 1, + .upper_margin = 0, + .lower_margin = 0, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + .cmap_greyscale = 0, + .cmap_inverse = 0, + .cmap_static = 0, + .lccr0 = LCCR0_SDS, + .lccr3 = LCCR3_PCP | LCCR3_Acb(255), + .pxafb_backlight_power = &idp_backlight_power, + .pxafb_lcd_power = &idp_lcd_power +}; + +static int idp_mci_init(struct device *dev, irqreturn_t (*idp_detect_int)(int, void *, struct pt_regs *), void *data) +{ + /* setup GPIO for PXA25x MMC controller */ + pxa_gpio_mode(GPIO6_MMCCLK_MD); + pxa_gpio_mode(GPIO8_MMCCS0_MD); + + return 0; +} + +static struct pxamci_platform_data idp_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .init = idp_mci_init, +}; + +static void __init idp_init(void) +{ + printk("idp_init()\n"); + + platform_device_register(&smc91x_device); + //platform_device_register(&mst_audio_device); + set_pxa_fb_info(&sharp_lm8v31); + pxa_set_mci_info(&idp_mci_platform_data); +} + +static void __init idp_init_irq(void) +{ + + pxa_init_irq(); + + set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE); +} + +static struct map_desc idp_io_desc[] __initdata = { + /* virtual physical length type */ + + { IDP_COREVOLT_VIRT, + IDP_COREVOLT_PHYS, + IDP_COREVOLT_SIZE, + MT_DEVICE }, + { IDP_CPLD_VIRT, + IDP_CPLD_PHYS, + IDP_CPLD_SIZE, + MT_DEVICE } +}; + +static void __init idp_map_io(void) +{ + pxa_map_io(); + iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc)); + + // serial ports 2 & 3 + pxa_gpio_mode(GPIO42_BTRXD_MD); + pxa_gpio_mode(GPIO43_BTTXD_MD); + pxa_gpio_mode(GPIO44_BTCTS_MD); + pxa_gpio_mode(GPIO45_BTRTS_MD); + pxa_gpio_mode(GPIO46_STRXD_MD); + pxa_gpio_mode(GPIO47_STTXD_MD); + +} + + +MACHINE_START(PXA_IDP, "Vibren PXA255 IDP") + MAINTAINER("Vibren Technologies") + BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000)) + MAPIO(idp_map_io) + INITIRQ(idp_init_irq) + .timer = &pxa_timer, + INIT_MACHINE(idp_init) +MACHINE_END |