/* * linux/arch/arm/mach-sa1100/jornada720.c * * HP Jornada720 init code * * Copyright (C) 2007 Kristoffer Ericson <Kristoffer.Ericson@gmail.com> * Copyright (C) 2006 Filip Zyzniewski <filip.zyzniewski@tefnet.pl> * Copyright (C) 2005 Michael Gernoth <michael@gernoth.net> * * 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/kernel.h> #include <linux/tty.h> #include <linux/delay.h> #include <linux/platform_device.h> #include <linux/ioport.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <video/s1d13xxxfb.h> #include <mach/hardware.h> #include <asm/hardware/sa1111.h> #include <asm/irq.h> #include <asm/mach-types.h> #include <asm/setup.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/map.h> #include <asm/mach/serial_sa1100.h> #include "generic.h" /* * HP Documentation referred in this file: * http://www.jlime.com/downloads/development/docs/jornada7xx/jornada720.txt */ /* line 110 of HP's doc */ #define TUCR_VAL 0x20000400 /* memory space (line 52 of HP's doc) */ #define SA1111REGSTART 0x40000000 #define SA1111REGLEN 0x00001fff #define EPSONREGSTART 0x48000000 #define EPSONREGLEN 0x00100000 #define EPSONFBSTART 0x48200000 /* 512kB framebuffer */ #define EPSONFBLEN 512*1024 static struct s1d13xxxfb_regval s1d13xxxfb_initregs[] = { /* line 344 of HP's doc */ {0x0001,0x00}, // Miscellaneous Register {0x01FC,0x00}, // Display Mode Register {0x0004,0x00}, // General IO Pins Configuration Register 0 {0x0005,0x00}, // General IO Pins Configuration Register 1 {0x0008,0x00}, // General IO Pins Control Register 0 {0x0009,0x00}, // General IO Pins Control Register 1 {0x0010,0x01}, // Memory Clock Configuration Register {0x0014,0x11}, // LCD Pixel Clock Configuration Register {0x0018,0x01}, // CRT/TV Pixel Clock Configuration Register {0x001C,0x01}, // MediaPlug Clock Configuration Register {0x001E,0x01}, // CPU To Memory Wait State Select Register {0x0020,0x00}, // Memory Configuration Register {0x0021,0x45}, // DRAM Refresh Rate Register {0x002A,0x01}, // DRAM Timings Control Register 0 {0x002B,0x03}, // DRAM Timings Control Register 1 {0x0030,0x1c}, // Panel Type Register {0x0031,0x00}, // MOD Rate Register {0x0032,0x4F}, // LCD Horizontal Display Width Register {0x0034,0x07}, // LCD Horizontal Non-Display Period Register {0x0035,0x01}, // TFT FPLINE Start Position Register {0x0036,0x0B}, // TFT FPLINE Pulse Width Register {0x0038,0xEF}, // LCD Vertical Display Height Register 0 {0x0039,0x00}, // LCD Vertical Display Height Register 1 {0x003A,0x13}, // LCD Vertical Non-Display Period Register {0x003B,0x0B}, // TFT FPFRAME Start Position Register {0x003C,0x01}, // TFT FPFRAME Pulse Width Register {0x0040,0x05}, // LCD Display Mode Register (2:4bpp,3:8bpp,5:16bpp) {0x0041,0x00}, // LCD Miscellaneous Register {0x0042,0x00}, // LCD Display Start Address Register 0 {0x0043,0x00}, // LCD Display Start Address Register 1 {0x0044,0x00}, // LCD Display Start Address Register 2 {0x0046,0x80}, // LCD Memory Address Offset Register 0 {0x0047,0x02}, // LCD Memory Address Offset Register 1 {0x0048,0x00}, // LCD Pixel Panning Register {0x004A,0x00}, // LCD Display FIFO High Threshold Control Register {0x004B,0x00}, // LCD Display FIFO Low Threshold Control Register {0x0050,0x4F}, // CRT/TV Horizontal Display Width Register {0x0052,0x13}, // CRT/TV Horizontal Non-Display Period Register {0x0053,0x01}, // CRT/TV HRTC Start Position Register {0x0054,0x0B}, // CRT/TV HRTC Pulse Width Register {0x0056,0xDF}, // CRT/TV Vertical Display Height Register 0 {0x0057,0x01}, // CRT/TV Vertical Display Height Register 1 {0x0058,0x2B}, // CRT/TV Vertical Non-Display Period Register {0x0059,0x09}, // CRT/TV VRTC Start Position Register {0x005A,0x01}, // CRT/TV VRTC Pulse Width Register {0x005B,0x10}, // TV Output Control Register {0x0060,0x03}, // CRT/TV Display Mode Register (2:4bpp,3:8bpp,5:16bpp) {0x0062,0x00}, // CRT/TV Display Start Address Register 0 {0x0063,0x00}, // CRT/TV Display Start Address Register 1 {0x0064,0x00}, // CRT/TV Display Start Address Register 2 {0x0066,0x40}, // CRT/TV Memory Address Offset Register 0 {0x0067,0x01}, // CRT/TV Memory Address Offset Register 1 {0x0068,0x00}, // CRT/TV Pixel Panning Register {0x006A,0x00}, // CRT/TV Display FIFO High Threshold Control Register {0x006B,0x00}, // CRT/TV Display FIFO Low Threshold Control Register {0x0070,0x00}, // LCD Ink/Cursor Control Register {0x0071,0x01}, // LCD Ink/Cursor Start Address Register {0x0072,0x00}, // LCD Cursor X Position Register 0 {0x0073,0x00}, // LCD Cursor X Position Register 1 {0x0074,0x00}, // LCD Cursor Y Position Register 0 {0x0075,0x00}, // LCD Cursor Y Position Register 1 {0x0076,0x00}, // LCD Ink/Cursor Blue Color 0 Register {0x0077,0x00}, // LCD Ink/Cursor Green Color 0 Register {0x0078,0x00}, // LCD Ink/Cursor Red Color 0 Register {0x007A,0x1F}, // LCD Ink/Cursor Blue Color 1 Register {0x007B,0x3F}, // LCD Ink/Cursor Green Color 1 Register {0x007C,0x1F}, // LCD Ink/Cursor Red Color 1 Register {0x007E,0x00}, // LCD Ink/Cursor FIFO Threshold Register {0x0080,0x00}, // CRT/TV Ink/Cursor Control Register {0x0081,0x01}, // CRT/TV Ink/Cursor Start Address Register {0x0082,0x00}, // CRT/TV Cursor X Position Register 0 {0x0083,0x00}, // CRT/TV Cursor X Position Register 1 {0x0084,0x00}, // CRT/TV Cursor Y Position Register 0 {0x0085,0x00}, // CRT/TV Cursor Y Position Register 1 {0x0086,0x00}, // CRT/TV Ink/Cursor Blue Color 0 Register {0x0087,0x00}, // CRT/TV Ink/Cursor Green Color 0 Register {0x0088,0x00}, // CRT/TV Ink/Cursor Red Color 0 Register {0x008A,0x1F}, // CRT/TV Ink/Cursor Blue Color 1 Register {0x008B,0x3F}, // CRT/TV Ink/Cursor Green Color 1 Register {0x008C,0x1F}, // CRT/TV Ink/Cursor Red Color 1 Register {0x008E,0x00}, // CRT/TV Ink/Cursor FIFO Threshold Register {0x0100,0x00}, // BitBlt Control Register 0 {0x0101,0x00}, // BitBlt Control Register 1 {0x0102,0x00}, // BitBlt ROP Code/Color Expansion Register {0x0103,0x00}, // BitBlt Operation Register {0x0104,0x00}, // BitBlt Source Start Address Register 0 {0x0105,0x00}, // BitBlt Source Start Address Register 1 {0x0106,0x00}, // BitBlt Source Start Address Register 2 {0x0108,0x00}, // BitBlt Destination Start Address Register 0 {0x0109,0x00}, // BitBlt Destination Start Address Register 1 {0x010A,0x00}, // BitBlt Destination Start Address Register 2 {0x010C,0x00}, // BitBlt Memory Address Offset Register 0 {0x010D,0x00}, // BitBlt Memory Address Offset Register 1 {0x0110,0x00}, // BitBlt Width Register 0 {0x0111,0x00}, // BitBlt Width Register 1 {0x0112,0x00}, // BitBlt Height Register 0 {0x0113,0x00}, // BitBlt Height Register 1 {0x0114,0x00}, // BitBlt Background Color Register 0 {0x0115,0x00}, // BitBlt Background Color Register 1 {0x0118,0x00}, // BitBlt Foreground Color Register 0 {0x0119,0x00}, // BitBlt Foreground Color Register 1 {0x01E0,0x00}, // Look-Up Table Mode Register {0x01E2,0x00}, // Look-Up Table Address Register /* not sure, wouldn't like to mess with the driver */ {0x01E4,0x00}, // Look-Up Table Data Register /* jornada doc says 0x00, but I trust the driver */ {0x01F0,0x10}, // Power Save Configuration Register {0x01F1,0x00}, // Power Save Status Register {0x01F4,0x00}, // CPU-to-Memory Access Watchdog Timer Register {0x01FC,0x01}, // Display Mode Register(0x01:LCD, 0x02:CRT, 0x03:LCD&CRT) }; static struct s1d13xxxfb_pdata s1d13xxxfb_data = { .initregs = s1d13xxxfb_initregs, .initregssize = ARRAY_SIZE(s1d13xxxfb_initregs), .platform_init_video = NULL }; static struct resource s1d13xxxfb_resources[] = { [0] = { .start = EPSONFBSTART, .end = EPSONFBSTART + EPSONFBLEN, .flags = IORESOURCE_MEM, }, [1] = { .start = EPSONREGSTART, .end = EPSONREGSTART + EPSONREGLEN, .flags = IORESOURCE_MEM, } }; static struct platform_device s1d13xxxfb_device = { .name = S1D_DEVICENAME, .id = 0, .dev = { .platform_data = &s1d13xxxfb_data, }, .num_resources = ARRAY_SIZE(s1d13xxxfb_resources), .resource = s1d13xxxfb_resources, }; static struct resource sa1111_resources[] = { [0] = { .start = SA1111REGSTART, .end = SA1111REGSTART + SA1111REGLEN, .flags = IORESOURCE_MEM, }, [1] = { .start = IRQ_GPIO1, .end = IRQ_GPIO1, .flags = IORESOURCE_IRQ, }, }; static struct sa1111_platform_data sa1111_info = { .irq_base = IRQ_BOARD_END, }; static u64 sa1111_dmamask = 0xffffffffUL; static struct platform_device sa1111_device = { .name = "sa1111", .id = 0, .dev = { .dma_mask = &sa1111_dmamask, .coherent_dma_mask = 0xffffffff, .platform_data = &sa1111_info, }, .num_resources = ARRAY_SIZE(sa1111_resources), .resource = sa1111_resources, }; static struct platform_device jornada_ssp_device = { .name = "jornada_ssp", .id = -1, }; static struct platform_device jornada_kbd_device = { .name = "jornada720_kbd", .id = -1, }; static struct platform_device jornada_ts_device = { .name = "jornada_ts", .id = -1, }; static struct platform_device *devices[] __initdata = { &sa1111_device, &jornada_ssp_device, &s1d13xxxfb_device, &jornada_kbd_device, &jornada_ts_device, }; static int __init jornada720_init(void) { int ret = -ENODEV; if (machine_is_jornada720()) { /* we want to use gpio20 as input to drive the clock of our uart 3 */ GPDR |= GPIO_GPIO20; /* Clear gpio20 pin as input */ TUCR = TUCR_VAL; GPSR = GPIO_GPIO20; /* start gpio20 pin */ udelay(1); GPCR = GPIO_GPIO20; /* stop gpio20 */ udelay(1); GPSR = GPIO_GPIO20; /* restart gpio20 */ udelay(20); /* give it some time to restart */ ret = platform_add_devices(devices, ARRAY_SIZE(devices)); } return ret; } arch_initcall(jornada720_init); static struct map_desc jornada720_io_desc[] __initdata = { { /* Epson registers */ .virtual = 0xf0000000, .pfn = __phys_to_pfn(EPSONREGSTART), .length = EPSONREGLEN, .type = MT_DEVICE }, { /* Epson frame buffer */ .virtual = 0xf1000000, .pfn = __phys_to_pfn(EPSONFBSTART), .length = EPSONFBLEN, .type = MT_DEVICE }, { /* SA-1111 */ .virtual = 0xf4000000, .pfn = __phys_to_pfn(SA1111REGSTART), .length = SA1111REGLEN, .type = MT_DEVICE } }; static void __init jornada720_map_io(void) { sa1100_map_io(); iotable_init(jornada720_io_desc, ARRAY_SIZE(jornada720_io_desc)); sa1100_register_uart(0, 3); sa1100_register_uart(1, 1); } static struct mtd_partition jornada720_partitions[] = { { .name = "JORNADA720 boot firmware", .size = 0x00040000, .offset = 0, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "JORNADA720 kernel", .size = 0x000c0000, .offset = 0x00040000, }, { .name = "JORNADA720 params", .size = 0x00040000, .offset = 0x00100000, }, { .name = "JORNADA720 initrd", .size = 0x00100000, .offset = 0x00140000, }, { .name = "JORNADA720 root cramfs", .size = 0x00300000, .offset = 0x00240000, }, { .name = "JORNADA720 usr cramfs", .size = 0x00800000, .offset = 0x00540000, }, { .name = "JORNADA720 usr local", .size = 0, /* will expand to the end of the flash */ .offset = 0x00d00000, } }; static void jornada720_set_vpp(int vpp) { if (vpp) /* enabling flash write (line 470 of HP's doc) */ PPSR |= PPC_LDD7; else /* disabling flash write (line 470 of HP's doc) */ PPSR &= ~PPC_LDD7; PPDR |= PPC_LDD7; } static struct flash_platform_data jornada720_flash_data = { .map_name = "cfi_probe", .set_vpp = jornada720_set_vpp, .parts = jornada720_partitions, .nr_parts = ARRAY_SIZE(jornada720_partitions), }; static struct resource jornada720_flash_resource = { .start = SA1100_CS0_PHYS, .end = SA1100_CS0_PHYS + SZ_32M - 1, .flags = IORESOURCE_MEM, }; static void __init jornada720_mach_init(void) { sa11x0_register_mtd(&jornada720_flash_data, &jornada720_flash_resource, 1); } MACHINE_START(JORNADA720, "HP Jornada 720") /* Maintainer: Kristoffer Ericson <Kristoffer.Ericson@gmail.com> */ .phys_io = 0x80000000, .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, .boot_params = 0xc0000100, .map_io = jornada720_map_io, .init_irq = sa1100_init_irq, .timer = &sa1100_timer, .init_machine = jornada720_mach_init, MACHINE_END