diff options
Diffstat (limited to 'include/asm-arm/arch-s3c2410/uncompress.h')
| -rw-r--r-- | include/asm-arm/arch-s3c2410/uncompress.h | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/include/asm-arm/arch-s3c2410/uncompress.h b/include/asm-arm/arch-s3c2410/uncompress.h deleted file mode 100644 index d7a4a8354fa..00000000000 --- a/include/asm-arm/arch-s3c2410/uncompress.h +++ /dev/null @@ -1,162 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/uncompress.h - * - * (c) 2003 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2410 - uncompress code - * - * 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. - * - * Changelog: - * 22-May-2003 BJD Created - * 08-Sep-2003 BJD Moved to linux v2.6 - * 12-Mar-2004 BJD Updated header protection - * 12-Oct-2004 BJD Take account of debug uart configuration - * 15-Nov-2004 BJD Fixed uart configuration - * 22-Feb-2005 BJD Added watchdog to uncompress - * 04-Apr-2005 LCVR Added support to S3C2400 (no cpuid at GSTATUS1) -*/ - -#ifndef __ASM_ARCH_UNCOMPRESS_H -#define __ASM_ARCH_UNCOMPRESS_H - -#include <linux/config.h> - -/* defines for UART registers */ -#include "asm/arch/regs-serial.h" -#include "asm/arch/regs-gpio.h" -#include "asm/arch/regs-watchdog.h" - -#include <asm/arch/map.h> - -/* working in physical space... */ -#undef S3C2410_GPIOREG -#undef S3C2410_WDOGREG - -#define S3C2410_GPIOREG(x) ((S3C2410_PA_GPIO + (x))) -#define S3C2410_WDOGREG(x) ((S3C2410_PA_WATCHDOG + (x))) - -/* how many bytes we allow into the FIFO at a time in FIFO mode */ -#define FIFO_MAX (14) - -#define uart_base S3C2410_PA_UART + (0x4000*CONFIG_S3C2410_LOWLEVEL_UART_PORT) - -static __inline__ void -uart_wr(unsigned int reg, unsigned int val) -{ - volatile unsigned int *ptr; - - ptr = (volatile unsigned int *)(reg + uart_base); - *ptr = val; -} - -static __inline__ unsigned int -uart_rd(unsigned int reg) -{ - volatile unsigned int *ptr; - - ptr = (volatile unsigned int *)(reg + uart_base); - return *ptr; -} - - -/* we can deal with the case the UARTs are being run - * in FIFO mode, so that we don't hold up our execution - * waiting for tx to happen... -*/ - -static void -putc(char ch) -{ - int cpuid = S3C2410_GSTATUS1_2410; - -#ifndef CONFIG_CPU_S3C2400 - cpuid = *((volatile unsigned int *)S3C2410_GSTATUS1); - cpuid &= S3C2410_GSTATUS1_IDMASK; -#endif - - if (ch == '\n') - putc('\r'); /* expand newline to \r\n */ - - if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) { - int level; - - while (1) { - level = uart_rd(S3C2410_UFSTAT); - - if (cpuid == S3C2410_GSTATUS1_2440) { - level &= S3C2440_UFSTAT_TXMASK; - level >>= S3C2440_UFSTAT_TXSHIFT; - } else { - level &= S3C2410_UFSTAT_TXMASK; - level >>= S3C2410_UFSTAT_TXSHIFT; - } - - if (level < FIFO_MAX) - break; - } - - } else { - /* not using fifos */ - - while ((uart_rd(S3C2410_UTRSTAT) & S3C2410_UTRSTAT_TXE) != S3C2410_UTRSTAT_TXE); - } - - /* write byte to transmission register */ - uart_wr(S3C2410_UTXH, ch); -} - -static void -putstr(const char *ptr) -{ - for (; *ptr != '\0'; ptr++) { - putc(*ptr); - } -} - -/* CONFIG_S3C2410_BOOT_WATCHDOG - * - * Simple boot-time watchdog setup, to reboot the system if there is - * any problem with the boot process -*/ - -#ifdef CONFIG_S3C2410_BOOT_WATCHDOG - -#define WDOG_COUNT (0xff00) - -#define __raw_writel(d,ad) do { *((volatile unsigned int *)(ad)) = (d); } while(0) - -static inline void arch_decomp_wdog(void) -{ - __raw_writel(WDOG_COUNT, S3C2410_WTCNT); -} - -static void arch_decomp_wdog_start(void) -{ - __raw_writel(WDOG_COUNT, S3C2410_WTDAT); - __raw_writel(WDOG_COUNT, S3C2410_WTCNT); - __raw_writel(S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128 | S3C2410_WTCON_RSTEN | S3C2410_WTCON_PRESCALE(0x40), S3C2410_WTCON); -} - -#else -#define arch_decomp_wdog_start() -#define arch_decomp_wdog() -#endif - -static void error(char *err); - -static void -arch_decomp_setup(void) -{ - /* we may need to setup the uart(s) here if we are not running - * on an BAST... the BAST will have left the uarts configured - * after calling linux. - */ - - arch_decomp_wdog_start(); -} - - -#endif /* __ASM_ARCH_UNCOMPRESS_H */ |