66a9b49a37
Patch from Ben Dooks All the S3C24XX based devices currently have similar uart blocks, in the same location. Make the process of adding new uart blocks easier by commonising the device definitions and adding a new init function for the cpu code. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
206 lines
4.9 KiB
C
206 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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