cee4cca740
* git://git.infradead.org/hdrcleanup-2.6: (63 commits) [S390] __FD_foo definitions. Switch to __s32 types in joystick.h instead of C99 types for consistency. Add <sys/types.h> to headers included for userspace in <linux/input.h> Move inclusion of <linux/compat.h> out of user scope in asm-x86_64/mtrr.h Remove struct fddi_statistics from user view in <linux/if_fddi.h> Move user-visible parts of drivers/s390/crypto/z90crypt.h to include/asm-s390 Revert include/media changes: Mauro says those ioctls are only used in-kernel(!) Include <linux/types.h> and use __uXX types in <linux/cramfs_fs.h> Use __uXX types in <linux/i2o_dev.h>, include <linux/ioctl.h> too Remove private struct dx_hash_info from public view in <linux/ext3_fs.h> Include <linux/types.h> and use __uXX types in <linux/affs_hardblocks.h> Use __uXX types in <linux/divert.h> for struct divert_blk et al. Use __u32 for elf_addr_t in <asm-powerpc/elf.h>, not u32. It's user-visible. Remove PPP_FCS from user view in <linux/ppp_defs.h>, remove __P mess entirely Use __uXX types in user-visible structures in <linux/nbd.h> Don't use 'u32' in user-visible struct ip_conntrack_old_tuple. Use __uXX types for S390 DASD volume label definitions which are user-visible S390 BIODASDREADCMB ioctl should use __u64 not u64 type. Remove unneeded inclusion of <linux/time.h> from <linux/ufs_fs.h> Fix private integer types used in V4L2 ioctls. ... Manually resolve conflict in include/linux/mtd/physmap.h
173 lines
3.9 KiB
C
173 lines
3.9 KiB
C
/* linux/include/asm-arm/arch-s3c2410/uncompress.h
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*
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* (c) 2003 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* S3C2410 - uncompress code
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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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* Changelog:
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* 22-May-2003 BJD Created
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* 08-Sep-2003 BJD Moved to linux v2.6
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* 12-Mar-2004 BJD Updated header protection
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* 12-Oct-2004 BJD Take account of debug uart configuration
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* 15-Nov-2004 BJD Fixed uart configuration
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* 22-Feb-2005 BJD Added watchdog to uncompress
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* 04-Apr-2005 LCVR Added support to S3C2400 (no cpuid at GSTATUS1)
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*/
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#ifndef __ASM_ARCH_UNCOMPRESS_H
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#define __ASM_ARCH_UNCOMPRESS_H
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/* defines for UART registers */
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#include "asm/arch/regs-serial.h"
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#include "asm/arch/regs-gpio.h"
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#include "asm/arch/regs-watchdog.h"
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#include <asm/arch/map.h>
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/* working in physical space... */
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#undef S3C2410_GPIOREG
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#undef S3C2410_WDOGREG
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#define S3C2410_GPIOREG(x) ((S3C24XX_PA_GPIO + (x)))
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#define S3C2410_WDOGREG(x) ((S3C24XX_PA_WATCHDOG + (x)))
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/* how many bytes we allow into the FIFO at a time in FIFO mode */
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#define FIFO_MAX (14)
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#define uart_base S3C24XX_PA_UART + (0x4000*CONFIG_S3C2410_LOWLEVEL_UART_PORT)
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static __inline__ void
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uart_wr(unsigned int reg, unsigned int val)
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{
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volatile unsigned int *ptr;
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ptr = (volatile unsigned int *)(reg + uart_base);
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*ptr = val;
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}
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static __inline__ unsigned int
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uart_rd(unsigned int reg)
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{
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volatile unsigned int *ptr;
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ptr = (volatile unsigned int *)(reg + uart_base);
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return *ptr;
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}
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/* we can deal with the case the UARTs are being run
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* in FIFO mode, so that we don't hold up our execution
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* waiting for tx to happen...
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*/
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static void putc(int ch)
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{
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int cpuid = S3C2410_GSTATUS1_2410;
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#ifndef CONFIG_CPU_S3C2400
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cpuid = *((volatile unsigned int *)S3C2410_GSTATUS1);
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cpuid &= S3C2410_GSTATUS1_IDMASK;
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#endif
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if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) {
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int level;
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while (1) {
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level = uart_rd(S3C2410_UFSTAT);
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if (cpuid == S3C2410_GSTATUS1_2440 ||
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cpuid == S3C2410_GSTATUS1_2442) {
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level &= S3C2440_UFSTAT_TXMASK;
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level >>= S3C2440_UFSTAT_TXSHIFT;
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} else {
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level &= S3C2410_UFSTAT_TXMASK;
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level >>= S3C2410_UFSTAT_TXSHIFT;
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}
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if (level < FIFO_MAX)
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break;
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}
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} else {
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/* not using fifos */
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while ((uart_rd(S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE) != S3C2410_UTRSTAT_TXE)
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barrier();
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}
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/* write byte to transmission register */
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uart_wr(S3C2410_UTXH, ch);
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}
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static inline void flush(void)
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{
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}
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#define __raw_writel(d,ad) do { *((volatile unsigned int *)(ad)) = (d); } while(0)
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/* CONFIG_S3C2410_BOOT_WATCHDOG
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*
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* Simple boot-time watchdog setup, to reboot the system if there is
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* any problem with the boot process
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*/
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#ifdef CONFIG_S3C2410_BOOT_WATCHDOG
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#define WDOG_COUNT (0xff00)
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static inline void arch_decomp_wdog(void)
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{
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__raw_writel(WDOG_COUNT, S3C2410_WTCNT);
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}
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static void arch_decomp_wdog_start(void)
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{
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__raw_writel(WDOG_COUNT, S3C2410_WTDAT);
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__raw_writel(WDOG_COUNT, S3C2410_WTCNT);
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__raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x80), S3C2410_WTCON);
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}
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#else
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#define arch_decomp_wdog_start()
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#define arch_decomp_wdog()
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#endif
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#ifdef CONFIG_S3C2410_BOOT_ERROR_RESET
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static void arch_decomp_error(const char *x)
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{
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putstr("\n\n");
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putstr(x);
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putstr("\n\n -- System resetting\n");
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__raw_writel(0x4000, S3C2410_WTDAT);
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__raw_writel(0x4000, S3C2410_WTCNT);
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__raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x40), S3C2410_WTCON);
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while(1);
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}
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#define arch_error arch_decomp_error
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#endif
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static void error(char *err);
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static void
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arch_decomp_setup(void)
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{
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/* we may need to setup the uart(s) here if we are not running
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* on an BAST... the BAST will have left the uarts configured
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* after calling linux.
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*/
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arch_decomp_wdog_start();
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}
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#endif /* __ASM_ARCH_UNCOMPRESS_H */
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