mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-31 16:38:12 +00:00
a09e64fbc0
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
499 lines
11 KiB
C
499 lines
11 KiB
C
/*
|
|
* linux/arch/arm/mach-pxa/lpd270.c
|
|
*
|
|
* Support for the LogicPD PXA270 Card Engine.
|
|
* Derived from the mainstone code, which carries these notices:
|
|
*
|
|
* Author: Nicolas Pitre
|
|
* Created: Nov 05, 2002
|
|
* Copyright: MontaVista Software Inc.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/sysdev.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/bitops.h>
|
|
#include <linux/fb.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/pwm_backlight.h>
|
|
|
|
#include <asm/types.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/memory.h>
|
|
#include <asm/mach-types.h>
|
|
#include <mach/hardware.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/sizes.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
#include <asm/mach/flash.h>
|
|
|
|
#include <mach/pxa-regs.h>
|
|
#include <mach/pxa2xx-regs.h>
|
|
#include <mach/pxa2xx-gpio.h>
|
|
#include <mach/lpd270.h>
|
|
#include <mach/audio.h>
|
|
#include <mach/pxafb.h>
|
|
#include <mach/mmc.h>
|
|
#include <mach/irda.h>
|
|
#include <mach/ohci.h>
|
|
|
|
#include "generic.h"
|
|
#include "devices.h"
|
|
|
|
|
|
static unsigned int lpd270_irq_enabled;
|
|
|
|
static void lpd270_mask_irq(unsigned int irq)
|
|
{
|
|
int lpd270_irq = irq - LPD270_IRQ(0);
|
|
|
|
__raw_writew(~(1 << lpd270_irq), LPD270_INT_STATUS);
|
|
|
|
lpd270_irq_enabled &= ~(1 << lpd270_irq);
|
|
__raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
|
|
}
|
|
|
|
static void lpd270_unmask_irq(unsigned int irq)
|
|
{
|
|
int lpd270_irq = irq - LPD270_IRQ(0);
|
|
|
|
lpd270_irq_enabled |= 1 << lpd270_irq;
|
|
__raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
|
|
}
|
|
|
|
static struct irq_chip lpd270_irq_chip = {
|
|
.name = "CPLD",
|
|
.ack = lpd270_mask_irq,
|
|
.mask = lpd270_mask_irq,
|
|
.unmask = lpd270_unmask_irq,
|
|
};
|
|
|
|
static void lpd270_irq_handler(unsigned int irq, struct irq_desc *desc)
|
|
{
|
|
unsigned long pending;
|
|
|
|
pending = __raw_readw(LPD270_INT_STATUS) & lpd270_irq_enabled;
|
|
do {
|
|
GEDR(0) = GPIO_bit(0); /* clear useless edge notification */
|
|
if (likely(pending)) {
|
|
irq = LPD270_IRQ(0) + __ffs(pending);
|
|
desc = irq_desc + irq;
|
|
desc_handle_irq(irq, desc);
|
|
|
|
pending = __raw_readw(LPD270_INT_STATUS) &
|
|
lpd270_irq_enabled;
|
|
}
|
|
} while (pending);
|
|
}
|
|
|
|
static void __init lpd270_init_irq(void)
|
|
{
|
|
int irq;
|
|
|
|
pxa27x_init_irq();
|
|
|
|
__raw_writew(0, LPD270_INT_MASK);
|
|
__raw_writew(0, LPD270_INT_STATUS);
|
|
|
|
/* setup extra LogicPD PXA270 irqs */
|
|
for (irq = LPD270_IRQ(2); irq <= LPD270_IRQ(4); irq++) {
|
|
set_irq_chip(irq, &lpd270_irq_chip);
|
|
set_irq_handler(irq, handle_level_irq);
|
|
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
|
|
}
|
|
set_irq_chained_handler(IRQ_GPIO(0), lpd270_irq_handler);
|
|
set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_PM
|
|
static int lpd270_irq_resume(struct sys_device *dev)
|
|
{
|
|
__raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
|
|
return 0;
|
|
}
|
|
|
|
static struct sysdev_class lpd270_irq_sysclass = {
|
|
.name = "cpld_irq",
|
|
.resume = lpd270_irq_resume,
|
|
};
|
|
|
|
static struct sys_device lpd270_irq_device = {
|
|
.cls = &lpd270_irq_sysclass,
|
|
};
|
|
|
|
static int __init lpd270_irq_device_init(void)
|
|
{
|
|
int ret = -ENODEV;
|
|
if (machine_is_logicpd_pxa270()) {
|
|
ret = sysdev_class_register(&lpd270_irq_sysclass);
|
|
if (ret == 0)
|
|
ret = sysdev_register(&lpd270_irq_device);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
device_initcall(lpd270_irq_device_init);
|
|
#endif
|
|
|
|
|
|
static struct resource smc91x_resources[] = {
|
|
[0] = {
|
|
.start = LPD270_ETH_PHYS,
|
|
.end = (LPD270_ETH_PHYS + 0xfffff),
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = LPD270_ETHERNET_IRQ,
|
|
.end = LPD270_ETHERNET_IRQ,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device smc91x_device = {
|
|
.name = "smc91x",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(smc91x_resources),
|
|
.resource = smc91x_resources,
|
|
};
|
|
|
|
static struct resource lpd270_flash_resources[] = {
|
|
[0] = {
|
|
.start = PXA_CS0_PHYS,
|
|
.end = PXA_CS0_PHYS + SZ_64M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = PXA_CS1_PHYS,
|
|
.end = PXA_CS1_PHYS + SZ_64M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct mtd_partition lpd270_flash0_partitions[] = {
|
|
{
|
|
.name = "Bootloader",
|
|
.size = 0x00040000,
|
|
.offset = 0,
|
|
.mask_flags = MTD_WRITEABLE /* force read-only */
|
|
}, {
|
|
.name = "Kernel",
|
|
.size = 0x00400000,
|
|
.offset = 0x00040000,
|
|
}, {
|
|
.name = "Filesystem",
|
|
.size = MTDPART_SIZ_FULL,
|
|
.offset = 0x00440000
|
|
},
|
|
};
|
|
|
|
static struct flash_platform_data lpd270_flash_data[2] = {
|
|
{
|
|
.name = "processor-flash",
|
|
.map_name = "cfi_probe",
|
|
.parts = lpd270_flash0_partitions,
|
|
.nr_parts = ARRAY_SIZE(lpd270_flash0_partitions),
|
|
}, {
|
|
.name = "mainboard-flash",
|
|
.map_name = "cfi_probe",
|
|
.parts = NULL,
|
|
.nr_parts = 0,
|
|
}
|
|
};
|
|
|
|
static struct platform_device lpd270_flash_device[2] = {
|
|
{
|
|
.name = "pxa2xx-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &lpd270_flash_data[0],
|
|
},
|
|
.resource = &lpd270_flash_resources[0],
|
|
.num_resources = 1,
|
|
}, {
|
|
.name = "pxa2xx-flash",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = &lpd270_flash_data[1],
|
|
},
|
|
.resource = &lpd270_flash_resources[1],
|
|
.num_resources = 1,
|
|
},
|
|
};
|
|
|
|
static struct platform_pwm_backlight_data lpd270_backlight_data = {
|
|
.pwm_id = 0,
|
|
.max_brightness = 1,
|
|
.dft_brightness = 1,
|
|
.pwm_period_ns = 78770,
|
|
};
|
|
|
|
static struct platform_device lpd270_backlight_device = {
|
|
.name = "pwm-backlight",
|
|
.dev = {
|
|
.parent = &pxa27x_device_pwm0.dev,
|
|
.platform_data = &lpd270_backlight_data,
|
|
},
|
|
};
|
|
|
|
/* 5.7" TFT QVGA (LoLo display number 1) */
|
|
static struct pxafb_mode_info sharp_lq057q3dc02_mode = {
|
|
.pixclock = 150000,
|
|
.xres = 320,
|
|
.yres = 240,
|
|
.bpp = 16,
|
|
.hsync_len = 0x14,
|
|
.left_margin = 0x28,
|
|
.right_margin = 0x0a,
|
|
.vsync_len = 0x02,
|
|
.upper_margin = 0x08,
|
|
.lower_margin = 0x14,
|
|
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
};
|
|
|
|
static struct pxafb_mach_info sharp_lq057q3dc02 = {
|
|
.modes = &sharp_lq057q3dc02_mode,
|
|
.num_modes = 1,
|
|
.lccr0 = 0x07800080,
|
|
.lccr3 = 0x00400000,
|
|
};
|
|
|
|
/* 12.1" TFT SVGA (LoLo display number 2) */
|
|
static struct pxafb_mode_info sharp_lq121s1dg31_mode = {
|
|
.pixclock = 50000,
|
|
.xres = 800,
|
|
.yres = 600,
|
|
.bpp = 16,
|
|
.hsync_len = 0x05,
|
|
.left_margin = 0x52,
|
|
.right_margin = 0x05,
|
|
.vsync_len = 0x04,
|
|
.upper_margin = 0x14,
|
|
.lower_margin = 0x0a,
|
|
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
};
|
|
|
|
static struct pxafb_mach_info sharp_lq121s1dg31 = {
|
|
.modes = &sharp_lq121s1dg31_mode,
|
|
.num_modes = 1,
|
|
.lccr0 = 0x07800080,
|
|
.lccr3 = 0x00400000,
|
|
};
|
|
|
|
/* 3.6" TFT QVGA (LoLo display number 3) */
|
|
static struct pxafb_mode_info sharp_lq036q1da01_mode = {
|
|
.pixclock = 150000,
|
|
.xres = 320,
|
|
.yres = 240,
|
|
.bpp = 16,
|
|
.hsync_len = 0x0e,
|
|
.left_margin = 0x04,
|
|
.right_margin = 0x0a,
|
|
.vsync_len = 0x03,
|
|
.upper_margin = 0x03,
|
|
.lower_margin = 0x03,
|
|
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
};
|
|
|
|
static struct pxafb_mach_info sharp_lq036q1da01 = {
|
|
.modes = &sharp_lq036q1da01_mode,
|
|
.num_modes = 1,
|
|
.lccr0 = 0x07800080,
|
|
.lccr3 = 0x00400000,
|
|
};
|
|
|
|
/* 6.4" TFT VGA (LoLo display number 5) */
|
|
static struct pxafb_mode_info sharp_lq64d343_mode = {
|
|
.pixclock = 25000,
|
|
.xres = 640,
|
|
.yres = 480,
|
|
.bpp = 16,
|
|
.hsync_len = 0x31,
|
|
.left_margin = 0x89,
|
|
.right_margin = 0x19,
|
|
.vsync_len = 0x12,
|
|
.upper_margin = 0x22,
|
|
.lower_margin = 0x00,
|
|
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
};
|
|
|
|
static struct pxafb_mach_info sharp_lq64d343 = {
|
|
.modes = &sharp_lq64d343_mode,
|
|
.num_modes = 1,
|
|
.lccr0 = 0x07800080,
|
|
.lccr3 = 0x00400000,
|
|
};
|
|
|
|
/* 10.4" TFT VGA (LoLo display number 7) */
|
|
static struct pxafb_mode_info sharp_lq10d368_mode = {
|
|
.pixclock = 25000,
|
|
.xres = 640,
|
|
.yres = 480,
|
|
.bpp = 16,
|
|
.hsync_len = 0x31,
|
|
.left_margin = 0x89,
|
|
.right_margin = 0x19,
|
|
.vsync_len = 0x12,
|
|
.upper_margin = 0x22,
|
|
.lower_margin = 0x00,
|
|
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
};
|
|
|
|
static struct pxafb_mach_info sharp_lq10d368 = {
|
|
.modes = &sharp_lq10d368_mode,
|
|
.num_modes = 1,
|
|
.lccr0 = 0x07800080,
|
|
.lccr3 = 0x00400000,
|
|
};
|
|
|
|
/* 3.5" TFT QVGA (LoLo display number 8) */
|
|
static struct pxafb_mode_info sharp_lq035q7db02_20_mode = {
|
|
.pixclock = 150000,
|
|
.xres = 240,
|
|
.yres = 320,
|
|
.bpp = 16,
|
|
.hsync_len = 0x0e,
|
|
.left_margin = 0x0a,
|
|
.right_margin = 0x0a,
|
|
.vsync_len = 0x03,
|
|
.upper_margin = 0x05,
|
|
.lower_margin = 0x14,
|
|
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
};
|
|
|
|
static struct pxafb_mach_info sharp_lq035q7db02_20 = {
|
|
.modes = &sharp_lq035q7db02_20_mode,
|
|
.num_modes = 1,
|
|
.lccr0 = 0x07800080,
|
|
.lccr3 = 0x00400000,
|
|
};
|
|
|
|
static struct pxafb_mach_info *lpd270_lcd_to_use;
|
|
|
|
static int __init lpd270_set_lcd(char *str)
|
|
{
|
|
if (!strnicmp(str, "lq057q3dc02", 11)) {
|
|
lpd270_lcd_to_use = &sharp_lq057q3dc02;
|
|
} else if (!strnicmp(str, "lq121s1dg31", 11)) {
|
|
lpd270_lcd_to_use = &sharp_lq121s1dg31;
|
|
} else if (!strnicmp(str, "lq036q1da01", 11)) {
|
|
lpd270_lcd_to_use = &sharp_lq036q1da01;
|
|
} else if (!strnicmp(str, "lq64d343", 8)) {
|
|
lpd270_lcd_to_use = &sharp_lq64d343;
|
|
} else if (!strnicmp(str, "lq10d368", 8)) {
|
|
lpd270_lcd_to_use = &sharp_lq10d368;
|
|
} else if (!strnicmp(str, "lq035q7db02-20", 14)) {
|
|
lpd270_lcd_to_use = &sharp_lq035q7db02_20;
|
|
} else {
|
|
printk(KERN_INFO "lpd270: unknown lcd panel [%s]\n", str);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
__setup("lcd=", lpd270_set_lcd);
|
|
|
|
static struct platform_device *platform_devices[] __initdata = {
|
|
&smc91x_device,
|
|
&lpd270_backlight_device,
|
|
&lpd270_flash_device[0],
|
|
&lpd270_flash_device[1],
|
|
};
|
|
|
|
static int lpd270_ohci_init(struct device *dev)
|
|
{
|
|
/* setup Port1 GPIO pin. */
|
|
pxa_gpio_mode(88 | GPIO_ALT_FN_1_IN); /* USBHPWR1 */
|
|
pxa_gpio_mode(89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
|
|
|
|
/* Set the Power Control Polarity Low and Power Sense
|
|
Polarity Low to active low. */
|
|
UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
|
|
~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct pxaohci_platform_data lpd270_ohci_platform_data = {
|
|
.port_mode = PMM_PERPORT_MODE,
|
|
.init = lpd270_ohci_init,
|
|
};
|
|
|
|
static void __init lpd270_init(void)
|
|
{
|
|
lpd270_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
|
|
lpd270_flash_data[1].width = 4;
|
|
|
|
/*
|
|
* System bus arbiter setting:
|
|
* - Core_Park
|
|
* - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
|
|
*/
|
|
ARB_CNTRL = ARB_CORE_PARK | 0x234;
|
|
|
|
/*
|
|
* On LogicPD PXA270, we route AC97_SYSCLK via GPIO45.
|
|
*/
|
|
pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD);
|
|
pxa_gpio_mode(GPIO16_PWM0_MD);
|
|
|
|
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
|
|
|
|
pxa_set_ac97_info(NULL);
|
|
|
|
if (lpd270_lcd_to_use != NULL)
|
|
set_pxa_fb_info(lpd270_lcd_to_use);
|
|
|
|
pxa_set_ohci_info(&lpd270_ohci_platform_data);
|
|
}
|
|
|
|
|
|
static struct map_desc lpd270_io_desc[] __initdata = {
|
|
{
|
|
.virtual = LPD270_CPLD_VIRT,
|
|
.pfn = __phys_to_pfn(LPD270_CPLD_PHYS),
|
|
.length = LPD270_CPLD_SIZE,
|
|
.type = MT_DEVICE,
|
|
},
|
|
};
|
|
|
|
static void __init lpd270_map_io(void)
|
|
{
|
|
pxa_map_io();
|
|
iotable_init(lpd270_io_desc, ARRAY_SIZE(lpd270_io_desc));
|
|
|
|
/* initialize sleep mode regs (wake-up sources, etc) */
|
|
PGSR0 = 0x00008800;
|
|
PGSR1 = 0x00000002;
|
|
PGSR2 = 0x0001FC00;
|
|
PGSR3 = 0x00001F81;
|
|
PWER = 0xC0000002;
|
|
PRER = 0x00000002;
|
|
PFER = 0x00000002;
|
|
|
|
/* for use I SRAM as framebuffer. */
|
|
PSLR |= 0x00000F04;
|
|
PCFR = 0x00000066;
|
|
}
|
|
|
|
MACHINE_START(LOGICPD_PXA270, "LogicPD PXA270 Card Engine")
|
|
/* Maintainer: Peter Barada */
|
|
.phys_io = 0x40000000,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.boot_params = 0xa0000100,
|
|
.map_io = lpd270_map_io,
|
|
.init_irq = lpd270_init_irq,
|
|
.timer = &pxa_timer,
|
|
.init_machine = lpd270_init,
|
|
MACHINE_END
|