| /* |
| * 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 <asm/types.h> |
| #include <asm/setup.h> |
| #include <asm/memory.h> |
| #include <asm/mach-types.h> |
| #include <asm/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 <asm/arch/pxa-regs.h> |
| #include <asm/arch/lpd270.h> |
| #include <asm/arch/audio.h> |
| #include <asm/arch/pxafb.h> |
| #include <asm/arch/mmc.h> |
| #include <asm/arch/irda.h> |
| #include <asm/arch/ohci.h> |
| |
| #include "generic.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; |
| |
| pxa_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), IRQT_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 = { |
| set_kset_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 = 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 platform_device lpd270_audio_device = { |
| .name = "pxa2xx-ac97", |
| .id = -1, |
| }; |
| |
| 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 void lpd270_backlight_power(int on) |
| { |
| if (on) { |
| pxa_gpio_mode(GPIO16_PWM0_MD); |
| pxa_set_cken(CKEN_PWM0, 1); |
| PWM_CTRL0 = 0; |
| PWM_PWDUTY0 = 0x3ff; |
| PWM_PERVAL0 = 0x3ff; |
| } else { |
| PWM_CTRL0 = 0; |
| PWM_PWDUTY0 = 0x0; |
| PWM_PERVAL0 = 0x3FF; |
| pxa_set_cken(CKEN_PWM0, 0); |
| } |
| } |
| |
| /* 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, |
| .pxafb_backlight_power = lpd270_backlight_power, |
| }; |
| |
| /* 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, |
| .pxafb_backlight_power = lpd270_backlight_power, |
| }; |
| |
| /* 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, |
| .pxafb_backlight_power = lpd270_backlight_power, |
| }; |
| |
| /* 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, |
| .pxafb_backlight_power = lpd270_backlight_power, |
| }; |
| |
| /* 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, |
| .pxafb_backlight_power = lpd270_backlight_power, |
| }; |
| |
| /* 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, |
| .pxafb_backlight_power = lpd270_backlight_power, |
| }; |
| |
| 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_audio_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); |
| |
| platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
| |
| 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 |