mirror of
https://github.com/edk2-porting/linux-next.git
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a683b14df8
two reasons: 1. GPIO namings and their mode definitions are conceptually not part of the PXA register definitions 2. this is actually a temporary move in the transition of PXA2xx to use MFP-alike APIs (as what PXA3xx is now doing), so that legacy code will still work and new code can be added in step by step Signed-off-by: eric miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
201 lines
4.3 KiB
C
201 lines
4.3 KiB
C
/*
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* linux/arch/arm/mach-pxa/idp.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
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*
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* 2001-09-13: Cliff Brake <cbrake@accelent.com>
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* Initial code
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*
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* 2005-02-15: Cliff Brake <cliff.brake@gmail.com>
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* <http://www.vibren.com> <http://bec-systems.com>
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* Updated for 2.6 kernel
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*
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*/
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/fb.h>
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#include <asm/setup.h>
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#include <asm/memory.h>
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#include <asm/mach-types.h>
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#include <asm/hardware.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/arch/pxa-regs.h>
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#include <asm/arch/pxa2xx-gpio.h>
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#include <asm/arch/idp.h>
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#include <asm/arch/pxafb.h>
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#include <asm/arch/bitfield.h>
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#include <asm/arch/mmc.h>
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#include "generic.h"
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#include "devices.h"
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/* TODO:
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* - add pxa2xx_audio_ops_t device structure
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* - Ethernet interrupt
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*/
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static struct resource smc91x_resources[] = {
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[0] = {
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.start = (IDP_ETH_PHYS + 0x300),
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.end = (IDP_ETH_PHYS + 0xfffff),
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_GPIO(4),
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.end = IRQ_GPIO(4),
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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}
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};
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static struct platform_device smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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};
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static void idp_backlight_power(int on)
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{
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if (on) {
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IDP_CPLD_LCD |= (1<<1);
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} else {
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IDP_CPLD_LCD &= ~(1<<1);
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}
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}
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static void idp_vlcd(int on)
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{
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if (on) {
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IDP_CPLD_LCD |= (1<<2);
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} else {
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IDP_CPLD_LCD &= ~(1<<2);
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}
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}
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static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
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{
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if (on) {
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IDP_CPLD_LCD |= (1<<0);
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} else {
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IDP_CPLD_LCD &= ~(1<<0);
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}
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/* call idp_vlcd for now as core driver does not support
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* both power and vlcd hooks. Note, this is not technically
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* the correct sequence, but seems to work. Disclaimer:
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* this may eventually damage the display.
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*/
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idp_vlcd(on);
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}
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static struct pxafb_mode_info sharp_lm8v31_mode = {
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.pixclock = 270000,
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.xres = 640,
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.yres = 480,
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.bpp = 16,
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.hsync_len = 1,
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.left_margin = 3,
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.right_margin = 3,
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.vsync_len = 1,
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.upper_margin = 0,
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.lower_margin = 0,
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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.cmap_greyscale = 0,
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};
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static struct pxafb_mach_info sharp_lm8v31 = {
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.modes = &sharp_lm8v31_mode,
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.num_modes = 1,
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.cmap_inverse = 0,
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.cmap_static = 0,
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.lccr0 = LCCR0_SDS,
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.lccr3 = LCCR3_PCP | LCCR3_Acb(255),
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.pxafb_backlight_power = &idp_backlight_power,
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.pxafb_lcd_power = &idp_lcd_power
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};
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static int idp_mci_init(struct device *dev, irq_handler_t idp_detect_int, void *data)
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{
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/* setup GPIO for PXA25x MMC controller */
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pxa_gpio_mode(GPIO6_MMCCLK_MD);
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pxa_gpio_mode(GPIO8_MMCCS0_MD);
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return 0;
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}
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static struct pxamci_platform_data idp_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.init = idp_mci_init,
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};
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static void __init idp_init(void)
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{
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printk("idp_init()\n");
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platform_device_register(&smc91x_device);
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//platform_device_register(&mst_audio_device);
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set_pxa_fb_info(&sharp_lm8v31);
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pxa_set_mci_info(&idp_mci_platform_data);
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}
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static void __init idp_init_irq(void)
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{
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pxa25x_init_irq();
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set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
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}
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static struct map_desc idp_io_desc[] __initdata = {
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{
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.virtual = IDP_COREVOLT_VIRT,
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.pfn = __phys_to_pfn(IDP_COREVOLT_PHYS),
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.length = IDP_COREVOLT_SIZE,
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.type = MT_DEVICE
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}, {
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.virtual = IDP_CPLD_VIRT,
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.pfn = __phys_to_pfn(IDP_CPLD_PHYS),
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.length = IDP_CPLD_SIZE,
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.type = MT_DEVICE
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}
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};
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static void __init idp_map_io(void)
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{
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pxa_map_io();
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iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
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// serial ports 2 & 3
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pxa_gpio_mode(GPIO42_BTRXD_MD);
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pxa_gpio_mode(GPIO43_BTTXD_MD);
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pxa_gpio_mode(GPIO44_BTCTS_MD);
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pxa_gpio_mode(GPIO45_BTRTS_MD);
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pxa_gpio_mode(GPIO46_STRXD_MD);
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pxa_gpio_mode(GPIO47_STTXD_MD);
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}
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MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
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/* Maintainer: Vibren Technologies */
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.phys_io = 0x40000000,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.map_io = idp_map_io,
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.init_irq = idp_init_irq,
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.timer = &pxa_timer,
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.init_machine = idp_init,
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MACHINE_END
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