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/* SPDX-License-Identifier: GPL-2.0-only */
/*
*
* Parts of this file are based on Ralink's 2.6.21 BSP
*
* Copyright (C) 2008-2011 Gabor Juhos <[email protected]>
* Copyright (C) 2008 Imre Kaloz <[email protected]>
* Copyright (C) 2013 John Crispin <[email protected]>
*/
#ifndef _MT7620_REGS_H_
#define _MT7620_REGS_H_
#define MT7620_SYSC_BASE 0x10000000
#define SYSC_REG_CHIP_NAME0 0x00
#define SYSC_REG_CHIP_NAME1 0x04
#define SYSC_REG_EFUSE_CFG 0x08
#define SYSC_REG_CHIP_REV 0x0c
#define SYSC_REG_SYSTEM_CONFIG0 0x10
#define SYSC_REG_SYSTEM_CONFIG1 0x14
#define SYSC_REG_CLKCFG0 0x2c
#define SYSC_REG_CPU_SYS_CLKCFG 0x3c
#define SYSC_REG_CPLL_CONFIG0 0x54
#define SYSC_REG_CPLL_CONFIG1 0x58
#define MT7620_CHIP_NAME0 0x3637544d
#define MT7620_CHIP_NAME1 0x20203032
#define MT7628_CHIP_NAME1 0x20203832
#define SYSCFG0_XTAL_FREQ_SEL BIT(6)
#define CHIP_REV_PKG_MASK 0x1
#define CHIP_REV_PKG_SHIFT 16
#define CHIP_REV_VER_MASK 0xf
#define CHIP_REV_VER_SHIFT 8
#define CHIP_REV_ECO_MASK 0xf
#define CLKCFG0_PERI_CLK_SEL BIT(4)
#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT 16
#define CPU_SYS_CLKCFG_OCP_RATIO_MASK 0xf
#define CPU_SYS_CLKCFG_OCP_RATIO_1 0 /* 1:1 (Reserved) */
#define CPU_SYS_CLKCFG_OCP_RATIO_1_5 1 /* 1:1.5 (Reserved) */
#define CPU_SYS_CLKCFG_OCP_RATIO_2 2 /* 1:2 */
#define CPU_SYS_CLKCFG_OCP_RATIO_2_5 3 /* 1:2.5 (Reserved) */
#define CPU_SYS_CLKCFG_OCP_RATIO_3 4 /* 1:3 */
#define CPU_SYS_CLKCFG_OCP_RATIO_3_5 5 /* 1:3.5 (Reserved) */
#define CPU_SYS_CLKCFG_OCP_RATIO_4 6 /* 1:4 */
#define CPU_SYS_CLKCFG_OCP_RATIO_5 7 /* 1:5 */
#define CPU_SYS_CLKCFG_OCP_RATIO_10 8 /* 1:10 */
#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT 8
#define CPU_SYS_CLKCFG_CPU_FDIV_MASK 0x1f
#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT 0
#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK 0x1f
#define CPLL_CFG0_SW_CFG BIT(31)
#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT 16
#define CPLL_CFG0_PLL_MULT_RATIO_MASK 0x7
#define CPLL_CFG0_LC_CURFCK BIT(15)
#define CPLL_CFG0_BYPASS_REF_CLK BIT(14)
#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT 10
#define CPLL_CFG0_PLL_DIV_RATIO_MASK 0x3
#define CPLL_CFG1_CPU_AUX1 BIT(25)
#define CPLL_CFG1_CPU_AUX0 BIT(24)
#define SYSCFG0_DRAM_TYPE_MASK 0x3
#define SYSCFG0_DRAM_TYPE_SHIFT 4
#define SYSCFG0_DRAM_TYPE_SDRAM 0
#define SYSCFG0_DRAM_TYPE_DDR1 1
#define SYSCFG0_DRAM_TYPE_DDR2 2
#define SYSCFG0_DRAM_TYPE_UNKNOWN 3
#define SYSCFG0_DRAM_TYPE_DDR2_MT7628 0
#define SYSCFG0_DRAM_TYPE_DDR1_MT7628 1
#define MT7620_DRAM_BASE 0x0
#define MT7620_SDRAM_SIZE_MIN 2
#define MT7620_SDRAM_SIZE_MAX 64
#define MT7620_DDR1_SIZE_MIN 32
#define MT7620_DDR1_SIZE_MAX 128
#define MT7620_DDR2_SIZE_MIN 32
#define MT7620_DDR2_SIZE_MAX 256
extern enum ralink_soc_type ralink_soc;
static inline int is_mt76x8(void)
{
return ralink_soc == MT762X_SOC_MT7628AN ||
ralink_soc == MT762X_SOC_MT7688;
}
static inline int mt7620_get_eco(void)
{
return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
}
#endif