1 /* 2 * arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c 3 * 4 * Copyright (C) 2013,2014 Renesas Electronics Corporation 5 * 6 * SPDX-License-Identifier: GPL-2.0 7 */ 8 #include <common.h> 9 #include <asm/io.h> 10 11 #define PRR 0xFF000044 12 #define PRR_MASK 0x7fff 13 #define R8A7796_REV_1_0 0x5200 14 #define R8A7796_REV_1_1 0x5210 15 16 u32 rmobile_get_cpu_type(void) 17 { 18 return (readl(PRR) & 0x00007F00) >> 8; 19 } 20 21 u32 rmobile_get_cpu_rev_integer(void) 22 { 23 const u32 prr = readl(PRR); 24 25 if ((prr & PRR_MASK) == R8A7796_REV_1_1) 26 return 1; 27 else 28 return ((prr & 0x000000F0) >> 4) + 1; 29 } 30 31 u32 rmobile_get_cpu_rev_fraction(void) 32 { 33 const u32 prr = readl(PRR); 34 35 if ((prr & PRR_MASK) == R8A7796_REV_1_1) 36 return 1; 37 else 38 return prr & 0x0000000F; 39 } 40