path: root/arch/arm/mach-socfpga/include/mach/clock_manager.h

/*
 *  Copyright (C) 2013 Altera Corporation <www.altera.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef	_CLOCK_MANAGER_H_
#define	_CLOCK_MANAGER_H_

#ifndef __ASSEMBLER__
/* Clock speed accessors */
unsigned long cm_get_mpu_clk_hz(void);
unsigned long cm_get_sdram_clk_hz(void);
unsigned int cm_get_l4_sp_clk_hz(void);
unsigned int cm_get_mmc_controller_clk_hz(void);
unsigned int cm_get_qspi_controller_clk_hz(void);
unsigned int cm_get_spi_controller_clk_hz(void);
#endif

typedef struct {
	/* main group */
	uint32_t main_vco_base;
	uint32_t mpuclk;
	uint32_t mainclk;
	uint32_t dbgatclk;
	uint32_t mainqspiclk;
	uint32_t mainnandsdmmcclk;
	uint32_t cfg2fuser0clk;
	uint32_t maindiv;
	uint32_t dbgdiv;
	uint32_t tracediv;
	uint32_t l4src;

	/* peripheral group */
	uint32_t peri_vco_base;
	uint32_t emac0clk;
	uint32_t emac1clk;
	uint32_t perqspiclk;
	uint32_t pernandsdmmcclk;
	uint32_t perbaseclk;
	uint32_t s2fuser1clk;
	uint32_t perdiv;
	uint32_t gpiodiv;
	uint32_t persrc;

	/* sdram pll group */
	uint32_t sdram_vco_base;
	uint32_t ddrdqsclk;
	uint32_t ddr2xdqsclk;
	uint32_t ddrdqclk;
	uint32_t s2fuser2clk;
} cm_config_t;

extern void cm_basic_init(const cm_config_t *cfg);

struct socfpga_clock_manager_main_pll {
	u32	vco;
	u32	misc;
	u32	mpuclk;
	u32	mainclk;
	u32	dbgatclk;
	u32	mainqspiclk;
	u32	mainnandsdmmcclk;
	u32	cfgs2fuser0clk;
	u32	en;
	u32	maindiv;
	u32	dbgdiv;
	u32	tracediv;
	u32	l4src;
	u32	stat;
	u32	_pad_0x38_0x40[2];
};

struct socfpga_clock_manager_per_pll {
	u32	vco;
	u32	misc;
	u32	emac0clk;
	u32	emac1clk;
	u32	perqspiclk;
	u32	pernandsdmmcclk;
	u32	perbaseclk;
	u32	s2fuser1clk;
	u32	en;
	u32	div;
	u32	gpiodiv;
	u32	src;
	u32	stat;
	u32	_pad_0x34_0x40[3];
};

struct socfpga_clock_manager_sdr_pll {
	u32	vco;
	u32	ctrl;
	u32	ddrdqsclk;
	u32	ddr2xdqsclk;
	u32	ddrdqclk;
	u32	s2fuser2clk;
	u32	en;
	u32	stat;
};

struct socfpga_clock_manager_altera {
	u32	mpuclk;
	u32	mainclk;
};

struct socfpga_clock_manager {
	u32	ctrl;
	u32	bypass;
	u32	inter;
	u32	intren;
	u32	dbctrl;
	u32	stat;
	u32	_pad_0x18_0x3f[10];
	struct socfpga_clock_manager_main_pll main_pll;
	struct socfpga_clock_manager_per_pll per_pll;
	struct socfpga_clock_manager_sdr_pll sdr_pll;
	struct socfpga_clock_manager_altera altera;
	u32	_pad_0xe8_0x200[70];
};

#define CLKMGR_CTRL_SAFEMODE				(1 << 0)
#define CLKMGR_CTRL_SAFEMODE_OFFSET			0

#define CLKMGR_BYPASS_PERPLLSRC				(1 << 4)
#define CLKMGR_BYPASS_PERPLLSRC_OFFSET			4
#define CLKMGR_BYPASS_PERPLL				(1 << 3)
#define CLKMGR_BYPASS_PERPLL_OFFSET			3
#define CLKMGR_BYPASS_SDRPLLSRC				(1 << 2)
#define CLKMGR_BYPASS_SDRPLLSRC_OFFSET			2
#define CLKMGR_BYPASS_SDRPLL				(1 << 1)
#define CLKMGR_BYPASS_SDRPLL_OFFSET			1
#define CLKMGR_BYPASS_MAINPLL				(1 << 0)
#define CLKMGR_BYPASS_MAINPLL_OFFSET			0

#define CLKMGR_INTER_SDRPLLLOCKED_MASK			0x00000100
#define CLKMGR_INTER_PERPLLLOCKED_MASK			0x00000080
#define CLKMGR_INTER_MAINPLLLOCKED_MASK			0x00000040
#define CLKMGR_INTER_PERPLLLOST_MASK			0x00000010
#define CLKMGR_INTER_SDRPLLLOST_MASK			0x00000020
#define CLKMGR_INTER_MAINPLLLOST_MASK			0x00000008

#define CLKMGR_STAT_BUSY				(1 << 0)

/* Main PLL */
#define CLKMGR_MAINPLLGRP_VCO_BGPWRDN			(1 << 0)
#define CLKMGR_MAINPLLGRP_VCO_BGPWRDN_OFFSET		0
#define CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET		16
#define CLKMGR_MAINPLLGRP_VCO_DENOM_MASK		0x003f0000
#define CLKMGR_MAINPLLGRP_VCO_EN			(1 << 1)
#define CLKMGR_MAINPLLGRP_VCO_EN_OFFSET			1
#define CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET		3
#define CLKMGR_MAINPLLGRP_VCO_NUMER_MASK		0x0000fff8
#define CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK		0x01000000
#define CLKMGR_MAINPLLGRP_VCO_PWRDN			(1 << 2)
#define CLKMGR_MAINPLLGRP_VCO_PWRDN_OFFSET		2
#define CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK		0x80000000
#define CLKMGR_MAINPLLGRP_VCO_RESET_VALUE		0x8001000d

#define CLKMGR_MAINPLLGRP_MPUCLK_CNT_OFFSET		0
#define CLKMGR_MAINPLLGRP_MPUCLK_CNT_MASK		0x000001ff

#define CLKMGR_MAINPLLGRP_MAINCLK_CNT_OFFSET		0
#define CLKMGR_MAINPLLGRP_MAINCLK_CNT_MASK		0x000001ff

#define CLKMGR_MAINPLLGRP_DBGATCLK_CNT_OFFSET		0
#define CLKMGR_MAINPLLGRP_DBGATCLK_CNT_MASK		0x000001ff

#define CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_OFFSET	0
#define CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_MASK		0x000001ff

#define CLKMGR_MAINPLLGRP_MAINNANDSDMMCCLK_CNT_OFFSET	0
#define CLKMGR_MAINPLLGRP_MAINNANDSDMMCCLK_CNT_MASK	0x000001ff

#define CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_OFFSET	0
#define CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_MASK	0x000001ff

#define CLKMGR_MAINPLLGRP_EN_DBGATCLK_MASK		0x00000010
#define CLKMGR_MAINPLLGRP_EN_DBGCLK_MASK		0x00000020
#define CLKMGR_MAINPLLGRP_EN_DBGTIMERCLK_MASK		0x00000080
#define CLKMGR_MAINPLLGRP_EN_DBGTRACECLK_MASK		0x00000040
#define CLKMGR_MAINPLLGRP_EN_L4MPCLK_MASK		0x00000004
#define CLKMGR_MAINPLLGRP_EN_S2FUSER0CLK_MASK		0x00000200

#define CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_OFFSET	0
#define CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_MASK		0x00000003
#define CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_OFFSET	2
#define CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_MASK		0x0000000c
#define CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_OFFSET	4
#define CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_MASK		0x00000070
#define CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET	7
#define CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_MASK		0x00000380

#define CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_OFFSET	0
#define CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_MASK		0x00000003
#define CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_OFFSET		2
#define CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_MASK		0x0000000c

#define CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_OFFSET	0
#define CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_MASK	0x00000007

#define CLKMGR_MAINPLLGRP_L4SRC_L4MP			(1 << 0)
#define CLKMGR_MAINPLLGRP_L4SRC_L4MP_OFFSET		0
#define CLKMGR_MAINPLLGRP_L4SRC_L4SP			(1 << 1)
#define CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET		1
#define CLKMGR_MAINPLLGRP_L4SRC_RESET_VALUE		0x00000000
#define CLKMGR_L4_SP_CLK_SRC_MAINPLL			0x0
#define CLKMGR_L4_SP_CLK_SRC_PERPLL			0x1

/* Per PLL */
#define CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET		16
#define CLKMGR_PERPLLGRP_VCO_DENOM_MASK			0x003f0000
#define CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET		3
#define CLKMGR_PERPLLGRP_VCO_NUMER_MASK			0x0000fff8
#define CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK		0x01000000
#define CLKMGR_PERPLLGRP_VCO_PSRC_OFFSET		22
#define CLKMGR_PERPLLGRP_VCO_PSRC_MASK			0x00c00000
#define CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK		0x80000000
#define CLKMGR_PERPLLGRP_VCO_RESET_VALUE		0x8001000d
#define CLKMGR_PERPLLGRP_VCO_SSRC_OFFSET		22
#define CLKMGR_PERPLLGRP_VCO_SSRC_MASK			0x00c00000

#define CLKMGR_VCO_SSRC_EOSC1				0x0
#define CLKMGR_VCO_SSRC_EOSC2				0x1
#define CLKMGR_VCO_SSRC_F2S				0x2

#define CLKMGR_PERPLLGRP_EMAC0CLK_CNT_OFFSET		0
#define CLKMGR_PERPLLGRP_EMAC0CLK_CNT_MASK		0x000001ff

#define CLKMGR_PERPLLGRP_EMAC1CLK_CNT_OFFSET		0
#define CLKMGR_PERPLLGRP_EMAC1CLK_CNT_MASK		0x000001ff

#define CLKMGR_PERPLLGRP_PERQSPICLK_CNT_OFFSET		0
#define CLKMGR_PERPLLGRP_PERQSPICLK_CNT_MASK		0x000001ff

#define CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET	0
#define CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_MASK	0x000001ff

#define CLKMGR_PERPLLGRP_PERBASECLK_CNT_OFFSET		0
#define CLKMGR_PERPLLGRP_PERBASECLK_CNT_MASK		0x000001ff

#define CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_OFFSET		0
#define CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_MASK		0x000001ff

#define CLKMGR_PERPLLGRP_EN_NANDCLK_MASK		0x00000400
#define CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK		0x00000100

#define CLKMGR_PERPLLGRP_DIV_CAN0CLK_OFFSET		6
#define CLKMGR_PERPLLGRP_DIV_CAN0CLK_MASK		0x000001c0
#define CLKMGR_PERPLLGRP_DIV_CAN1CLK_OFFSET		9
#define CLKMGR_PERPLLGRP_DIV_CAN1CLK_MASK		0x00000e00
#define CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET		3
#define CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET		3
#define CLKMGR_PERPLLGRP_DIV_USBCLK_OFFSET		0
#define CLKMGR_PERPLLGRP_DIV_USBCLK_MASK		0x00000007

#define CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_OFFSET	0
#define CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_MASK		0x00ffffff

#define CLKMGR_PERPLLGRP_SRC_NAND_OFFSET		2
#define CLKMGR_PERPLLGRP_SRC_NAND_MASK			0x0000000c
#define CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET		4
#define CLKMGR_PERPLLGRP_SRC_QSPI_MASK			0x00000030
#define CLKMGR_PERPLLGRP_SRC_RESET_VALUE		0x00000015
#define CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET		0
#define CLKMGR_PERPLLGRP_SRC_SDMMC_MASK			0x00000003
#define CLKMGR_SDMMC_CLK_SRC_F2S			0x0
#define CLKMGR_SDMMC_CLK_SRC_MAIN			0x1
#define CLKMGR_SDMMC_CLK_SRC_PER			0x2
#define CLKMGR_QSPI_CLK_SRC_F2S				0x0
#define CLKMGR_QSPI_CLK_SRC_MAIN			0x1
#define CLKMGR_QSPI_CLK_SRC_PER				0x2

/* SDR PLL */
#define CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET		16
#define CLKMGR_SDRPLLGRP_VCO_DENOM_MASK			0x003f0000
#define CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET		3
#define CLKMGR_SDRPLLGRP_VCO_NUMER_MASK			0x0000fff8
#define CLKMGR_SDRPLLGRP_VCO_OUTRESETALL		(1 << 24)
#define CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_OFFSET		24
#define CLKMGR_SDRPLLGRP_VCO_OUTRESET_OFFSET		25
#define CLKMGR_SDRPLLGRP_VCO_OUTRESET_MASK		0x7e000000
#define CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK		0x80000000
#define CLKMGR_SDRPLLGRP_VCO_RESET_VALUE		0x8001000d
#define CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET		22
#define CLKMGR_SDRPLLGRP_VCO_SSRC_MASK			0x00c00000

#define CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET		0
#define CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK		0x000001ff
#define CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_OFFSET		9
#define CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_MASK		0x00000e00

#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_OFFSET		0
#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_MASK		0x000001ff
#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_OFFSET	9
#define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_MASK		0x00000e00

#define CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_OFFSET		0
#define CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_MASK		0x000001ff
#define CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_OFFSET		9
#define CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_MASK		0x00000e00

#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_OFFSET		0
#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_MASK		0x000001ff
#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_OFFSET	9
#define CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_MASK		0x00000e00

#endif /* _CLOCK_MANAGER_H_ */