207 lines
4.9 KiB
C
207 lines
4.9 KiB
C
/* linux/arch/arm/mach-s3c2410/mach-h1940.c
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*
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* Copyright (c) 2003-2005 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* http://www.handhelds.org/projects/h1940.html
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Modifications:
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* 16-May-2003 BJD Created initial version
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* 16-Aug-2003 BJD Fixed header files and copyright, added URL
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* 05-Sep-2003 BJD Moved to v2.6 kernel
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* 06-Jan-2003 BJD Updates for <arch/map.h>
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* 18-Jan-2003 BJD Added serial port configuration
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* 17-Feb-2003 BJD Copied to mach-ipaq.c
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* 21-Aug-2004 BJD Added struct s3c2410_board
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* 04-Sep-2004 BJD Changed uart init, renamed ipaq_ -> h1940_
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* 18-Oct-2004 BJD Updated new board structure name
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* 04-Nov-2004 BJD Change for new serial clock
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* 04-Jan-2005 BJD Updated uart init call
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* 10-Jan-2005 BJD Removed include of s3c2410.h
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* 14-Jan-2005 BJD Added clock init
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* 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
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* 20-Sep-2005 BJD Added static to non-exported items
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* 26-Oct-2005 BJD Changed name of fb init call
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/hardware.h>
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#include <asm/hardware/iomd.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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#include <asm/arch/regs-serial.h>
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#include <asm/arch/regs-lcd.h>
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#include <asm/arch/h1940-latch.h>
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#include <asm/arch/fb.h>
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#include <linux/serial_core.h>
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#include "clock.h"
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#include "devs.h"
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#include "cpu.h"
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static struct map_desc h1940_iodesc[] __initdata = {
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[0] = {
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.virtual = (unsigned long)H1940_LATCH,
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.pfn = __phys_to_pfn(H1940_PA_LATCH),
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.length = SZ_16K,
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.type = MT_DEVICE
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},
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};
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#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
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#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
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#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x03,
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.ufcon = 0x51,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = 0x245,
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.ulcon = 0x03,
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.ufcon = 0x00,
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},
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/* IR port */
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[2] = {
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.hwport = 2,
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.flags = 0,
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.uart_flags = UPF_CONS_FLOW,
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.ucon = 0x3c5,
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.ulcon = 0x43,
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.ufcon = 0x51,
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}
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};
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/* Board control latch control */
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static unsigned int latch_state = H1940_LATCH_DEFAULT;
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void h1940_latch_control(unsigned int clear, unsigned int set)
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{
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unsigned long flags;
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local_irq_save(flags);
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latch_state &= ~clear;
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latch_state |= set;
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__raw_writel(latch_state, H1940_LATCH);
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local_irq_restore(flags);
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}
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EXPORT_SYMBOL_GPL(h1940_latch_control);
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/**
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* Set lcd on or off
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**/
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static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
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.fixed_syncs= 1,
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.regs={
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.lcdcon1= S3C2410_LCDCON1_TFT16BPP | \
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S3C2410_LCDCON1_TFT | \
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S3C2410_LCDCON1_CLKVAL(0x0C),
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.lcdcon2= S3C2410_LCDCON2_VBPD(7) | \
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S3C2410_LCDCON2_LINEVAL(319) | \
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S3C2410_LCDCON2_VFPD(6) | \
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S3C2410_LCDCON2_VSPW(0),
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.lcdcon3= S3C2410_LCDCON3_HBPD(19) | \
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S3C2410_LCDCON3_HOZVAL(239) | \
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S3C2410_LCDCON3_HFPD(7),
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.lcdcon4= S3C2410_LCDCON4_MVAL(0) | \
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S3C2410_LCDCON4_HSPW(3),
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.lcdcon5= S3C2410_LCDCON5_FRM565 | \
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S3C2410_LCDCON5_INVVLINE | \
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S3C2410_LCDCON5_HWSWP,
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},
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.lpcsel= 0x02,
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.gpccon= 0xaa940659,
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.gpccon_mask= 0xffffffff,
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.gpcup= 0x0000ffff,
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.gpcup_mask= 0xffffffff,
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.gpdcon= 0xaa84aaa0,
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.gpdcon_mask= 0xffffffff,
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.gpdup= 0x0000faff,
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.gpdup_mask= 0xffffffff,
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.width= 240,
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.height= 320,
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.xres= {240,240,240},
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.yres= {320,320,320},
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.bpp= {16,16,16},
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};
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static struct platform_device *h1940_devices[] __initdata = {
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&s3c_device_usb,
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&s3c_device_lcd,
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&s3c_device_wdt,
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&s3c_device_i2c,
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&s3c_device_iis,
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};
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static struct s3c24xx_board h1940_board __initdata = {
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.devices = h1940_devices,
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.devices_count = ARRAY_SIZE(h1940_devices)
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};
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static void __init h1940_map_io(void)
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{
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s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
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s3c24xx_init_clocks(0);
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s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
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s3c24xx_set_board(&h1940_board);
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}
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static void __init h1940_init_irq(void)
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{
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s3c24xx_init_irq();
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}
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static void __init h1940_init(void)
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{
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s3c24xx_fb_set_platdata(&h1940_lcdcfg);
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}
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MACHINE_START(H1940, "IPAQ-H1940")
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/* Maintainer: Ben Dooks <ben@fluff.org> */
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.phys_io = S3C2410_PA_UART,
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.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
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.boot_params = S3C2410_SDRAM_PA + 0x100,
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.map_io = h1940_map_io,
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.init_irq = h1940_init_irq,
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.init_machine = h1940_init,
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.timer = &s3c24xx_timer,
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MACHINE_END
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