1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * 4 * Parts of this file are based on Ralink's 2.6.21 BSP 5 * 6 * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> 7 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> 8 * Copyright (C) 2013 John Crispin <john@phrozen.org> 9 */ 10 11 #ifndef _MT7620_REGS_H_ 12 #define _MT7620_REGS_H_ 13 14 #define IOMEM(x) ((void __iomem *)(KSEG1ADDR(x))) 15 #define MT7620_SYSC_BASE IOMEM(0x10000000) 16 17 #define SYSC_REG_CHIP_NAME0 0x00 18 #define SYSC_REG_CHIP_NAME1 0x04 19 #define SYSC_REG_EFUSE_CFG 0x08 20 #define SYSC_REG_CHIP_REV 0x0c 21 #define SYSC_REG_SYSTEM_CONFIG0 0x10 22 #define SYSC_REG_SYSTEM_CONFIG1 0x14 23 24 #define MT7620_CHIP_NAME0 0x3637544d 25 #define MT7620_CHIP_NAME1 0x20203032 26 #define MT7628_CHIP_NAME1 0x20203832 27 28 #define CHIP_REV_PKG_MASK 0x1 29 #define CHIP_REV_PKG_SHIFT 16 30 #define CHIP_REV_VER_MASK 0xf 31 #define CHIP_REV_VER_SHIFT 8 32 #define CHIP_REV_ECO_MASK 0xf 33 34 #define SYSCFG0_DRAM_TYPE_MASK 0x3 35 #define SYSCFG0_DRAM_TYPE_SHIFT 4 36 #define SYSCFG0_DRAM_TYPE_SDRAM 0 37 #define SYSCFG0_DRAM_TYPE_DDR1 1 38 #define SYSCFG0_DRAM_TYPE_DDR2 2 39 #define SYSCFG0_DRAM_TYPE_UNKNOWN 3 40 41 #define SYSCFG0_DRAM_TYPE_DDR2_MT7628 0 42 #define SYSCFG0_DRAM_TYPE_DDR1_MT7628 1 43 44 #define MT7620_DRAM_BASE 0x0 45 #define MT7620_SDRAM_SIZE_MIN 2 46 #define MT7620_SDRAM_SIZE_MAX 64 47 #define MT7620_DDR1_SIZE_MIN 32 48 #define MT7620_DDR1_SIZE_MAX 128 49 #define MT7620_DDR2_SIZE_MIN 32 50 #define MT7620_DDR2_SIZE_MAX 256 51 52 extern enum ralink_soc_type ralink_soc; 53 54 static inline int is_mt76x8(void) 55 { 56 return ralink_soc == MT762X_SOC_MT7628AN || 57 ralink_soc == MT762X_SOC_MT7688; 58 } 59 60 static inline int mt7620_get_eco(void) 61 { 62 return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK; 63 } 64 65 #endif 66