| /* |
| * 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 u64 sa1111_dmamask = 0xffffffffUL; |
| |
| static struct platform_device sa1111_device = { |
| .name = "sa1111", |
| .id = 0, |
| .dev = { |
| .dma_mask = &sa1111_dmamask, |
| .coherent_dma_mask = 0xffffffff, |
| }, |
| .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 *devices[] __initdata = { |
| &sa1111_device, |
| #ifdef CONFIG_SA1100_JORNADA720_SSP |
| &jornada_ssp_device, |
| #endif |
| &s1d13xxxfb_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_set_flash_data(&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 |
