1 /* linux/include/asm-arm/arch-s3c2410/uncompress.h
3 * Copyright (c) 2003, 2007 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
7 * S3C2410 - uncompress code
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
14 #ifndef __ASM_ARCH_UNCOMPRESS_H
15 #define __ASM_ARCH_UNCOMPRESS_H
17 #include <asm/arch/regs-gpio.h>
18 #include <asm/arch/map.h>
20 /* working in physical space... */
21 #undef S3C2410_GPIOREG
22 #define S3C2410_GPIOREG(x) ((S3C24XX_PA_GPIO + (x)))
24 #include <asm/plat-s3c/uncompress.h>
26 static inline int is_arm926(void)
30 asm volatile ("mrc p15, 0, %0, c1, c0, 0" : "=r" (cpuid));
32 return ((cpuid & 0xff0) == 0x260);
35 static void arch_detect_cpu(void)
39 cpuid = *((volatile unsigned int *)S3C2410_GSTATUS1);
40 cpuid &= S3C2410_GSTATUS1_IDMASK;
42 if (is_arm926() || cpuid == S3C2410_GSTATUS1_2440 ||
43 cpuid == S3C2410_GSTATUS1_2442) {
44 fifo_mask = S3C2440_UFSTAT_TXMASK;
45 fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;
47 fifo_mask = S3C2410_UFSTAT_TXMASK;
48 fifo_max = 15 << S3C2410_UFSTAT_TXSHIFT;
52 #endif /* __ASM_ARCH_UNCOMPRESS_H */