| /* |
| * 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/pxa27x.h> |
| #include <mach/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 <mach/smemc.h> |
| |
| #include "generic.h" |
| #include "devices.h" |
| |
| static unsigned long lpd270_pin_config[] __initdata = { |
| /* Chip Selects */ |
| GPIO15_nCS_1, /* Mainboard Flash */ |
| GPIO78_nCS_2, /* CPLD + Ethernet */ |
| |
| /* LCD - 16bpp Active TFT */ |
| GPIO58_LCD_LDD_0, |
| GPIO59_LCD_LDD_1, |
| GPIO60_LCD_LDD_2, |
| GPIO61_LCD_LDD_3, |
| GPIO62_LCD_LDD_4, |
| GPIO63_LCD_LDD_5, |
| GPIO64_LCD_LDD_6, |
| GPIO65_LCD_LDD_7, |
| GPIO66_LCD_LDD_8, |
| GPIO67_LCD_LDD_9, |
| GPIO68_LCD_LDD_10, |
| GPIO69_LCD_LDD_11, |
| GPIO70_LCD_LDD_12, |
| GPIO71_LCD_LDD_13, |
| GPIO72_LCD_LDD_14, |
| GPIO73_LCD_LDD_15, |
| GPIO74_LCD_FCLK, |
| GPIO75_LCD_LCLK, |
| GPIO76_LCD_PCLK, |
| GPIO77_LCD_BIAS, |
| GPIO16_PWM0_OUT, /* Backlight */ |
| |
| /* USB Host */ |
| GPIO88_USBH1_PWR, |
| GPIO89_USBH1_PEN, |
| |
| /* AC97 */ |
| GPIO28_AC97_BITCLK, |
| GPIO29_AC97_SDATA_IN_0, |
| GPIO30_AC97_SDATA_OUT, |
| GPIO31_AC97_SYNC, |
| GPIO45_AC97_SYSCLK, |
| |
| GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, |
| }; |
| |
| 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 { |
| desc->chip->ack(irq); /* clear useless edge notification */ |
| if (likely(pending)) { |
| irq = LPD270_IRQ(0) + __ffs(pending); |
| generic_handle_irq(irq); |
| |
| 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, |
| .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | |
| LCD_ALTERNATE_MAPPING, |
| }; |
| |
| /* 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, |
| .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | |
| LCD_ALTERNATE_MAPPING, |
| }; |
| |
| /* 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, |
| .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | |
| LCD_ALTERNATE_MAPPING, |
| }; |
| |
| /* 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, |
| .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | |
| LCD_ALTERNATE_MAPPING, |
| }; |
| |
| /* 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, |
| .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | |
| LCD_ALTERNATE_MAPPING, |
| }; |
| |
| /* 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, |
| .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL | |
| LCD_ALTERNATE_MAPPING, |
| }; |
| |
| 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 struct pxaohci_platform_data lpd270_ohci_platform_data = { |
| .port_mode = PMM_PERPORT_MODE, |
| .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, |
| }; |
| |
| static void __init lpd270_init(void) |
| { |
| pxa2xx_mfp_config(ARRAY_AND_SIZE(lpd270_pin_config)); |
| |
| pxa_set_ffuart_info(NULL); |
| pxa_set_btuart_info(NULL); |
| pxa_set_stuart_info(NULL); |
| |
| lpd270_flash_data[0].width = (__raw_readl(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; |
| |
| 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) |
| { |
| pxa27x_map_io(); |
| iotable_init(lpd270_io_desc, ARRAY_SIZE(lpd270_io_desc)); |
| |
| /* for use I SRAM as framebuffer. */ |
| PSLR |= 0x00000F04; |
| PCFR = 0x00000066; |
| } |
| |
| MACHINE_START(LOGICPD_PXA270, "LogicPD PXA270 Card Engine") |
| /* Maintainer: Peter Barada */ |
| .boot_params = 0xa0000100, |
| .map_io = lpd270_map_io, |
| .nr_irqs = LPD270_NR_IRQS, |
| .init_irq = lpd270_init_irq, |
| .timer = &pxa_timer, |
| .init_machine = lpd270_init, |
| MACHINE_END |