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- /* arch/arm/mach-s3c2410/include/mach/uncompress.h
- *
- * Copyright (c) 2003-2007 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * 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.
- */
- #ifndef __ASM_ARCH_UNCOMPRESS_H
- #define __ASM_ARCH_UNCOMPRESS_H
- #include <mach/regs-gpio.h>
- #include <mach/map.h>
- /* working in physical space... */
- #undef S3C2410_GPIOREG
- #define S3C2410_GPIOREG(x) ((S3C24XX_PA_GPIO + (x)))
- #include <plat/uncompress.h>
- static inline int is_arm926(void)
- {
- unsigned int cpuid;
- asm volatile ("mrc p15, 0, %0, c1, c0, 0" : "=r" (cpuid));
- return ((cpuid & 0xff0) == 0x260);
- }
- static void arch_detect_cpu(void)
- {
- unsigned int cpuid;
- cpuid = *((volatile unsigned int *)S3C2410_GSTATUS1);
- cpuid &= S3C2410_GSTATUS1_IDMASK;
- if (is_arm926() || cpuid == S3C2410_GSTATUS1_2440 ||
- cpuid == S3C2410_GSTATUS1_2442 ||
- cpuid == S3C2410_GSTATUS1_2416 ||
- cpuid == S3C2410_GSTATUS1_2450) {
- fifo_mask = S3C2440_UFSTAT_TXMASK;
- fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;
- } else {
- fifo_mask = S3C2410_UFSTAT_TXMASK;
- fifo_max = 15 << S3C2410_UFSTAT_TXSHIFT;
- }
- }
- #endif /* __ASM_ARCH_UNCOMPRESS_H */
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