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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * Copyright (c) 2011 Zhang, Keguang <[email protected]>
- *
- * Loongson 1 Clock Register Definitions.
- */
- #ifndef __ASM_MACH_LOONGSON32_REGS_CLK_H
- #define __ASM_MACH_LOONGSON32_REGS_CLK_H
- #define LS1X_CLK_REG(x) \
- ((void __iomem *)KSEG1ADDR(LS1X_CLK_BASE + (x)))
- #define LS1X_CLK_PLL_FREQ LS1X_CLK_REG(0x0)
- #define LS1X_CLK_PLL_DIV LS1X_CLK_REG(0x4)
- #if defined(CONFIG_LOONGSON1_LS1B)
- /* Clock PLL Divisor Register Bits */
- #define DIV_DC_EN BIT(31)
- #define DIV_DC_RST BIT(30)
- #define DIV_CPU_EN BIT(25)
- #define DIV_CPU_RST BIT(24)
- #define DIV_DDR_EN BIT(19)
- #define DIV_DDR_RST BIT(18)
- #define RST_DC_EN BIT(5)
- #define RST_DC BIT(4)
- #define RST_DDR_EN BIT(3)
- #define RST_DDR BIT(2)
- #define RST_CPU_EN BIT(1)
- #define RST_CPU BIT(0)
- #define DIV_DC_SHIFT 26
- #define DIV_CPU_SHIFT 20
- #define DIV_DDR_SHIFT 14
- #define DIV_DC_WIDTH 4
- #define DIV_CPU_WIDTH 4
- #define DIV_DDR_WIDTH 4
- #define BYPASS_DC_SHIFT 12
- #define BYPASS_DDR_SHIFT 10
- #define BYPASS_CPU_SHIFT 8
- #define BYPASS_DC_WIDTH 1
- #define BYPASS_DDR_WIDTH 1
- #define BYPASS_CPU_WIDTH 1
- #elif defined(CONFIG_LOONGSON1_LS1C)
- /* PLL/SDRAM Frequency configuration register Bits */
- #define PLL_VALID BIT(31)
- #define FRAC_N GENMASK(23, 16)
- #define RST_TIME GENMASK(3, 2)
- #define SDRAM_DIV GENMASK(1, 0)
- /* CPU/CAMERA/DC Frequency configuration register Bits */
- #define DIV_DC_EN BIT(31)
- #define DIV_DC GENMASK(30, 24)
- #define DIV_CAM_EN BIT(23)
- #define DIV_CAM GENMASK(22, 16)
- #define DIV_CPU_EN BIT(15)
- #define DIV_CPU GENMASK(14, 8)
- #define DIV_DC_SEL_EN BIT(5)
- #define DIV_DC_SEL BIT(4)
- #define DIV_CAM_SEL_EN BIT(3)
- #define DIV_CAM_SEL BIT(2)
- #define DIV_CPU_SEL_EN BIT(1)
- #define DIV_CPU_SEL BIT(0)
- #define DIV_DC_SHIFT 24
- #define DIV_CAM_SHIFT 16
- #define DIV_CPU_SHIFT 8
- #define DIV_DDR_SHIFT 0
- #define DIV_DC_WIDTH 7
- #define DIV_CAM_WIDTH 7
- #define DIV_CPU_WIDTH 7
- #define DIV_DDR_WIDTH 2
- #endif
- #endif /* __ASM_MACH_LOONGSON32_REGS_CLK_H */
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