amt630hv160-sdk-release/amt630hv160-freertos-beta/ArkmicroFiles/libcpu-amt630hv160/source/clock.c

#include "FreeRTOS.h"
#include "chip.h"
#include "board.h"

#define PLL_BYPASS				(1 << 30)
#define PLL_FOUTVCOPD			(1 << 29)
#define PLL_FOUTPOSTDIVPD		(1 << 28)
#define PLL_DSMPD				(1 << 27)
#define PLL_PD					(1 << 26)
#define PLL_POSTDIV2_OFFSET		(23)
#define PLL_POSTDIV2_MASK		(0x7)
#define PLL_POSTDIV1_OFFSET		(20)
#define PLL_POSTDIV1_MASK		(0x7)
#define PLL_FBDIV_OFFSET		(8)
#define PLL_FBDIV_MASK			(0xfff)
#define PLL_REFDIV_OFFSET		(0)
#define PLL_REFDIV_MASK			(0x3f)

typedef struct {
	uint32_t clkid;
	uint32_t clktype;
	uint32_t source;
	int clksource[MAX_CLK_SOURCE_NUM];
	int source_index;
	int div;
	uint32_t enable_reg[MAX_CLK_ENABLE_BITS];
	int enable_offset[MAX_CLK_ENABLE_BITS];
	int enable_bits;
	union  {
		uint32_t fixed_freq;
		struct {
			int div;
			int mult;
		} fixed_fator_property;
		struct {
			uint32_t cfgreg;
			uint32_t sup_sprd;
		} pll_property;
		struct {
			uint32_t cfgreg;
			uint32_t analogreg;
		} dds_property;
		struct {
			uint32_t cfgreg;
			int index_offset;
			int index_value;
			uint32_t index_mask;
			int div_offset;
			int div_value;
			uint32_t div_mask;
			int div_mode;
			uint32_t inv_reg;
			int inv_offset;
			uint32_t inv_mask;
			int inv_value;
		} sys_property;
	} u;
} xClockProperty;

xClockProperty xClocks[] = {
	{.clkid = CLK_XTAL32K, .clktype = FIXED_CLOCK, .u.fixed_freq = 32768},
	{.clkid = CLK_XTAL24M, .clktype = FIXED_CLOCK, .u.fixed_freq = 24000000},

	{.clkid = CLK_CPUPLL, .clktype = PLL_CLOCK, .clksource = {CLK_XTAL24M},
	 .u.pll_property.cfgreg = REGS_SYSCTL_BASE + SYS_CPUPLL_CFG,
	 .u.pll_property.sup_sprd = 0},
	{.clkid = CLK_SYSPLL, .clktype = PLL_CLOCK, .clksource = {CLK_XTAL24M},
	 .u.pll_property.cfgreg = REGS_SYSCTL_BASE + SYS_SYSPLL_CFG,
	 .u.pll_property.sup_sprd = 1},
	{.clkid = CLK_VPUPLL, .clktype = PLL_CLOCK, .clksource = {CLK_XTAL24M},
	 .u.pll_property.cfgreg = REGS_SYSCTL_BASE + SYS_VPUPLL_CFG,
	 .u.pll_property.sup_sprd = 1},
	{.clkid = CLK_DDRPLL, .clktype = PLL_CLOCK, .clksource = {CLK_XTAL24M},
	 .u.pll_property.cfgreg = REGS_SYSCTL_BASE + SYS_DDRPLL_CFG,
	 .u.pll_property.sup_sprd = 0},
	{.clkid = CLK_MFCPLL, .clktype = PLL_CLOCK, .clksource = {CLK_XTAL24M},
	 .u.pll_property.cfgreg = REGS_SYSCTL_BASE + SYS_MFCPLL_CFG,
	 .u.pll_property.sup_sprd = 0},
	{.clkid = CLK_AHBPLL, .clktype = PLL_CLOCK, .clksource = {CLK_XTAL24M},
	 .u.pll_property.cfgreg = REGS_SYSCTL_BASE + SYS_AHBPLL_CFG,
	 .u.pll_property.sup_sprd = 1},
	{.clkid = CLK_GPUPLL, .clktype = PLL_CLOCK, .clksource = {CLK_XTAL24M},
	 .u.pll_property.cfgreg = REGS_SYSCTL_BASE + SYS_GPUPLL_CFG,
	 .u.pll_property.sup_sprd = 0},

	{.clkid = CLK_DDR, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_DDRPLL},
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_BUS_CLK_CFG, .u.sys_property.index_offset = 1,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = -1 },
	{.clkid = CLK_CPU, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_CPUPLL},
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_BUS_CLK_CFG, .u.sys_property.index_offset = 0,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = -1 },
	{.clkid = CLK_AXI, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_SYSPLL},
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_BUS_CLK_CFG, .u.sys_property.index_offset = 2,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = -1 },
	{.clkid = CLK_AHB, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_AHBPLL},
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_BUS_CLK_CFG, .u.sys_property.index_offset = 3,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = -1 },
	{.clkid = CLK_APB, .clktype = SYS_CLOCK, .clksource = {CLK_AHB},
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_BUS_CLK_CFG, .u.sys_property.div_offset = 4,
	 .u.sys_property.div_mask = 3, .u.sys_property.div_value = -1,
	 .u.sys_property.div_mode = DIVMODE_EXPONENT},

	{.clkid = CLK_LCD, .clktype = SYS_CLOCK, .clksource = {CLK_SYSPLL, CLK_VPUPLL, CLK_XTAL24M},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN, REGS_SYSCTL_BASE + SYS_BUS_CLK_EN,
	 	REGS_SYSCTL_BASE + SYS_PER_CLK_EN, REGS_SYSCTL_BASE + SYS_PER_CLK_EN,
	 	REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {17, 0, 18, 17, 16}, .enable_bits = 5,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_VOU_CLK_CFG, .u.sys_property.index_offset = 0,
	 .u.sys_property.index_mask = 0x3, .u.sys_property.index_value = 1,
	 .u.sys_property.div_offset = 3, .u.sys_property.div_mask = 0x1f,
	 .u.sys_property.div_value = 5, .u.sys_property.div_mode = DIVMODE_PLUSONE,
#ifdef LCD_CLK_INVERSE
	 .u.sys_property.inv_reg = REGS_SYSCTL_BASE + SYS_VOU_CLK_CFG, .u.sys_property.inv_offset = 8,
	 .u.sys_property.inv_mask = 0x1, .u.sys_property.inv_value = 1,
#endif
	},
	{.clkid = CLK_QOI, .clktype = SYS_CLOCK, .clksource = {CLK_SYSPLL, CLK_MFCPLL, CLK_XTAL24M},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN, REGS_SYSCTL_BASE + SYS_BUS_CLK_EN,
	 	REGS_SYSCTL_BASE + SYS_PER_CLK_EN1},
	 .enable_offset = {20, 5, 5}, .enable_bits = 3,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_BUS_CLK1_CFG, .u.sys_property.index_offset = 16,
	 .u.sys_property.index_mask = 0x3, .u.sys_property.index_value = 1,
	 .u.sys_property.div_offset = 19, .u.sys_property.div_mask = 0x1f,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,
	},
	{.clkid = CLK_GPU, .clktype = SYS_CLOCK, .clksource = {CLK_SYSPLL, CLK_GPUPLL, CLK_XTAL24M},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN, REGS_SYSCTL_BASE + SYS_BUS_CLK_EN,
	 	REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {19, 3, 24}, .enable_bits = 3,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_TIMER1_CLK_CFG, .u.sys_property.index_offset = 0,
	 .u.sys_property.index_mask = 0x3, .u.sys_property.index_value = 1,
	 .u.sys_property.div_offset = 3, .u.sys_property.div_mask = 0x1f,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,
	},
	{.clkid = CLK_SDMMC0, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_AHBPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN, REGS_SYSCTL_BASE + SYS_PER_CLK_EN,
	  REGS_SYSCTL_BASE + SYS_SDMMC_CLK_CFG},
	 .enable_offset = {15, 15, 6}, .enable_bits = 3,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_SDMMC_CLK_CFG, .u.sys_property.index_offset = 7,
	 .u.sys_property.index_mask = 1, .u.sys_property.index_value = 1,
	 .u.sys_property.div_offset = 0, .u.sys_property.div_mask = 0x1f,
	 .u.sys_property.div_value = 5, .u.sys_property.div_mode = DIVMODE_PLUSONE,
	},
	{.clkid = CLK_SDMMC1, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_AHBPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN, REGS_SYSCTL_BASE + SYS_PER_CLK_EN,
	  REGS_SYSCTL_BASE + SYS_SDMMC1_CLK_CFG},
	 .enable_offset = {16, 31, 6}, .enable_bits = 3,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_SDMMC1_CLK_CFG, .u.sys_property.index_offset = 7,
	 .u.sys_property.index_mask = 1, .u.sys_property.index_value = 1,
	 .u.sys_property.div_offset = 0, .u.sys_property.div_mask = 0x1f,
	 .u.sys_property.div_value = 5, .u.sys_property.div_mode = DIVMODE_PLUSONE,
	},
	{.clkid = CLK_TIMER, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_AHBPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {7, 9}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_TIMER_CLK_CFG, .u.sys_property.index_offset = 4,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_offset = 0, .u.sys_property.div_mask = 0xf,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
	{.clkid = CLK_TIMER1, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_AHBPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {26}, .enable_bits = 1,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_TIMER1_CLK_CFG, .u.sys_property.index_offset = 20,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_offset = 16, .u.sys_property.div_mask = 0xf,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
	{.clkid = CLK_TIMER2_3, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_AHBPLL},
	.enable_reg = {REGS_SYSCTL_BASE + SYS_PER_CLK_EN, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	.enable_offset = {27, 28}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_TIMER1_CLK_CFG, .u.sys_property.index_offset = 28,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_offset = 24, .u.sys_property.div_mask = 0xf,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
	{.clkid = CLK_MFC, .clktype = SYS_CLOCK, .clksource = {CLK_SYSPLL, CLK_MFCPLL, CLK_XTAL24M},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN, REGS_SYSCTL_BASE + SYS_BUS_CLK_EN,
	  REGS_SYSCTL_BASE + SYS_PER_CLK_EN, REGS_SYSCTL_BASE + SYS_DDR_CTL1_CFG},
	 .enable_offset = {21, 4, 23, 17}, .enable_bits = 4,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_TIMER_CLK_CFG, .u.sys_property.index_offset = 8,
	 .u.sys_property.index_mask = 0x3, .u.sys_property.index_value = 1,
	 .u.sys_property.div_offset = 11, .u.sys_property.div_mask = 0x1f,
	 .u.sys_property.div_value = 2, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
	{.clkid = CLK_UART0, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_AHBPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {11, 4}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_PERCTL_CFG, .u.sys_property.index_offset = 0,
	 .u.sys_property.index_mask = 1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_offset = 1, .u.sys_property.div_mask = 0xf,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
	{.clkid = CLK_UART1, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_AHBPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {12, 5}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_PERCTL_CFG, .u.sys_property.index_offset = 16,
	 .u.sys_property.index_mask = 1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_offset = 17, .u.sys_property.div_mask = 0xf,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
	{.clkid = CLK_UART2, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_AHBPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {13, 6}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_PERCTL_CFG, .u.sys_property.index_offset = 8,
	 .u.sys_property.index_mask = 1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_offset = 9, .u.sys_property.div_mask = 0xf,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
	{.clkid = CLK_UART3, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_AHBPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {14, 7}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_PERCTL_CFG, .u.sys_property.index_offset = 24,
	 .u.sys_property.index_mask = 1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_offset = 25, .u.sys_property.div_mask = 0xf,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
#ifdef DW_SPI0_SUPPORT
	{.clkid = CLK_SPI0, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_CPUPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {26, 0}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_SSP_CLK_CFG, .u.sys_property.index_offset = 4,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = 1,
	 .u.sys_property.div_offset = 0, .u.sys_property.div_mask = 0xf, .u.sys_property.div_mode = DIVMODE_PLUSONE,
#ifndef SPI0_QSPI_MODE
	 .u.sys_property.div_value = 5,},
#else
	.u.sys_property.div_value = 4,},
#endif
#endif
#ifdef EC_SPI1_SUPPORT
	{.clkid = CLK_SPI1, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_CPUPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {2, 1}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_SSP_CLK_CFG, .u.sys_property.index_offset = 20,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_offset = 16, .u.sys_property.div_mask = 0xf,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
#endif
#ifdef DW_SPI2_SUPPORT
	{.clkid = CLK_SPI2, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_CPUPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {27, 29}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_SSP_CLK_CFG, .u.sys_property.index_offset = 28,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_offset = 24, .u.sys_property.div_mask = 0xf,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
#endif
	//PWM时钟配置和MCU_PWM是复用的，默认是24Mhz，如果要修改的话需要在MCU工程修改
	{.clkid = CLK_PWM, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M, CLK_SYSPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {15, 10}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_PER_CLK_CFG, .u.sys_property.index_offset = 8,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = -1,
	 .u.sys_property.div_offset = 4, .u.sys_property.div_mask = 0xf,
	 .u.sys_property.div_value = 1, .u.sys_property.div_mode = DIVMODE_PLUSONE,},
#ifdef ADC0_SUPPORT
	{.clkid = CLK_ADC, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {5, 13}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_TIMER_CLK_CFG, .u.sys_property.div_offset = 16,
	 .u.sys_property.div_mask = 0x7fff, .u.sys_property.div_value = 2400,
	 .u.sys_property.div_mode = DIVMODE_PONEDOUBLE,},
#endif
#ifdef ADC1_SUPPORT
	{.clkid = CLK_ADC1, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN1},
	 .enable_offset = {25, 14}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_ADC_CLK1_CFG, .u.sys_property.div_offset = 0,
	 .u.sys_property.div_mask = 0x7fff, .u.sys_property.div_value = 2400,
	 .u.sys_property.div_mode = DIVMODE_PONEDOUBLE,},
#endif
#ifdef ADC2_SUPPORT
	{.clkid = CLK_ADC2, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL24M},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN1},
	 .enable_offset = {26, 15}, .enable_bits = 2,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_ADC_CLK1_CFG, .u.sys_property.div_offset = 16,
	 .u.sys_property.div_mask = 0x7fff, .u.sys_property.div_value = 2400,
	 .u.sys_property.div_mode = DIVMODE_PONEDOUBLE,},
#endif
	{.clkid = CLK_I2S, .clktype = SYS_CLOCK, .clksource = {CLK_SYSPLL, CLK_AHBPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN,
	  REGS_SYSCTL_BASE + SYS_PER_CLK_EN},
	 .enable_offset = {0, 12, 11}, .enable_bits = 3,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_PER_CLK_CFG, .u.sys_property.index_offset = 16,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_value = 1,},
	{.clkid = CLK_I2S1, .clktype = SYS_CLOCK, .clksource = {CLK_SYSPLL, CLK_AHBPLL},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1, REGS_SYSCTL_BASE + SYS_PER_CLK_EN1,
	  REGS_SYSCTL_BASE + SYS_PER_CLK_EN1},
	 .enable_offset = {1, 1, 0}, .enable_bits = 3,
	 .u.sys_property.cfgreg = REGS_SYSCTL_BASE + SYS_BUS_CLK1_CFG, .u.sys_property.index_offset = 4,
	 .u.sys_property.index_mask = 0x1, .u.sys_property.index_value = 0,
	 .u.sys_property.div_value = 1,},
	{.clkid = CLK_RTC, .clktype = SYS_CLOCK, .clksource = {CLK_XTAL32K},
	 .enable_reg = {REGS_SYSCTL_BASE + SYS_BUS_CLK_EN1},
	 .enable_offset = {8}, .enable_bits = 1,},
	{.clkid = CLK_ETH, .clktype = SYS_CLOCK, .clksource = {CLK_AHB},},
};

#define CLOCK_NUM	(sizeof(xClocks) / sizeof(xClocks[0]))

static xClockProperty *clk_get(uint32_t clkid)
{
	int i;

	for (i = 0; i < CLOCK_NUM; i++) {
		if (xClocks[i].clkid == clkid) {
			return &xClocks[i];
		}
	}

	return NULL;
}

static uint32_t clk_fixed_get_rate(xClockProperty *clk)
{
	return clk->u.fixed_freq;
}

static uint32_t clk_fixed_factor_get_rate(xClockProperty *clk)
{
	xClockProperty *parentclk = clk_get(clk->clksource[0]);

	configASSERT(parentclk);

	return clk_fixed_get_rate(parentclk) * clk->u.fixed_fator_property.mult
				/ clk->u.fixed_fator_property.div;
}

static uint32_t clk_pll_get_rate(xClockProperty *clk)
{
	uint32_t reg, parent_rate;
	uint32_t posdiv2, posdiv1, fbdiv, refdiv;
	uint32_t pllclk;

	configASSERT(clk);

	parent_rate = ulClkGetRate(clk->clksource[clk->source_index]);
	reg = readl(clk->u.pll_property.cfgreg);
	if (reg & PLL_BYPASS) {
		pllclk = parent_rate;
	} else {
		posdiv2 = (reg >> PLL_POSTDIV2_OFFSET) & PLL_POSTDIV2_MASK;
		posdiv1 = (reg >> PLL_POSTDIV1_OFFSET) & PLL_POSTDIV1_MASK;
		fbdiv = (reg >> PLL_FBDIV_OFFSET) & PLL_FBDIV_MASK;
		refdiv = (reg >> PLL_REFDIV_OFFSET) & PLL_REFDIV_MASK;
		pllclk = (uint64_t)parent_rate * fbdiv / posdiv2 / posdiv1 / refdiv;
	}

	return pllclk;
}

static uint32_t clk_sys_get_rate(xClockProperty *clk)
{
	uint32_t parent_rate;

	configASSERT(clk);
	configASSERT(clk->div);

	parent_rate = ulClkGetRate(clk->clksource[clk->source_index]);

	return parent_rate / clk->div;
}

static void clk_pll_init(xClockProperty *clk)
{
	configASSERT(clk);
	clk->source_index = 0;
}

static int clk_get_div(int div, int divmode)
{
	switch(divmode) {
	case DIVMODE_NOZERO:
		div = div ? div : 1;
		break;
	case DIVMODE_PLUSONE:
		div = div + 1;
		break;
	case DIVMODE_DOUBLE:
		div *= 2;
		break;
	case DIVMODE_EXPONENT:
		div = 1 << div;
		break;
	case DIVMODE_PONEDOUBLE:
		div = (div + 1) * 2;
		break;
	}
	return div;
}

static __INLINE int clk_set_div(int div, int divmode)
{
	switch(divmode) {
	case DIVMODE_PLUSONE:
		div = div - 1;
		break;
	case DIVMODE_DOUBLE:
		div /= 2;
		break;
	case DIVMODE_EXPONENT:
		div = fls(div) - 1;
		break;
	case DIVMODE_PONEDOUBLE:
		div = div / 2 - 1;
		break;
	}
	return div;
}

static void clk_sys_set_rate(xClockProperty *clk, uint32_t freq)
{
	int div;
	uint32_t reg;
	uint32_t parent_rate;

	configASSERT(clk);

	parent_rate = ulClkGetRate(clk->clksource[clk->source_index]);
	div = DIV_ROUND_UP(parent_rate, freq);
	clk->div = div;
	div = clk_set_div(div, clk->u.sys_property.div_mode);
	reg = readl(clk->u.sys_property.cfgreg);
	reg &= ~(clk->u.sys_property.div_mask << clk->u.sys_property.div_offset);
	reg |= (div & clk->u.sys_property.div_mask) << clk->u.sys_property.div_offset;
	writel(reg, clk->u.sys_property.cfgreg);
}

static void clk_sys_init(xClockProperty *clk)
{
	uint32_t reg;
	uint32_t val;

	configASSERT(clk);

	if (clk->u.sys_property.index_value >= 0 && clk->u.sys_property.index_mask) {
		clk->source_index = clk->u.sys_property.index_value;
		val = clk->u.sys_property.index_value == 3 ? 4 : clk->u.sys_property.index_value;
		reg = readl(clk->u.sys_property.cfgreg);
		reg &= ~(clk->u.sys_property.index_mask << clk->u.sys_property.index_offset);
		reg |= (val & clk->u.sys_property.index_mask) << clk->u.sys_property.index_offset;
		writel(reg, clk->u.sys_property.cfgreg);
	} else if (clk->u.sys_property.index_mask) {
		reg = readl(clk->u.sys_property.cfgreg);
		val = (reg >> clk->u.sys_property.index_offset) & clk->u.sys_property.index_mask;
		clk->source_index = val == 4 ? 3 : val;
	}

	if (clk->u.sys_property.div_value >= 0 && clk->u.sys_property.div_mask) {
		val = clk_set_div(clk->u.sys_property.div_value, clk->u.sys_property.div_mode);
		clk->div = clk_get_div(val, clk->u.sys_property.div_mode);
		reg = readl(clk->u.sys_property.cfgreg);
		reg &= ~(clk->u.sys_property.div_mask << clk->u.sys_property.div_offset);
		reg |= (val & clk->u.sys_property.div_mask) << clk->u.sys_property.div_offset;
		writel(reg, clk->u.sys_property.cfgreg);
	} else if (clk->u.sys_property.div_mask) {
		reg = readl(clk->u.sys_property.cfgreg);
		val = (reg >> clk->u.sys_property.div_offset) & clk->u.sys_property.div_mask;
		clk->div = clk_get_div(val, clk->u.sys_property.div_mode);
	} else if (clk->u.sys_property.div_value > 0) {
		clk->div = clk->u.sys_property.div_value;
	} else {
		clk->div = 1;
	}

	if (clk->u.sys_property.inv_reg) {
		reg = readl(clk->u.sys_property.inv_reg);
		reg &= ~(clk->u.sys_property.inv_mask << clk->u.sys_property.inv_offset);
		reg |= (clk->u.sys_property.inv_value & clk->u.sys_property.inv_mask)
				<< clk->u.sys_property.inv_offset;
		writel(reg, clk->u.sys_property.inv_reg);
	}
}

static void clk_sys_enable(xClockProperty *clk)
{
	int i;

	configASSERT(clk);

	for (i = 0; i < clk->enable_bits; i++)
		writel(readl(clk->enable_reg[i]) | (1 << clk->enable_offset[i]),
			clk->enable_reg[i]);
}

static void clk_sys_disable(xClockProperty *clk)
{
	int i;

	configASSERT(clk);

	for (i = 0; i < clk->enable_bits; i++)
		writel(readl(clk->enable_reg[i]) & ~(1 << clk->enable_offset[i]),
			clk->enable_reg[i]);
}

void vClkInit(void)
{
	int i;
	xClockProperty *clk;

	for (i = 0; i < CLOCK_NUM; i++) {
		clk = &xClocks[i];
		if (clk->clktype == PLL_CLOCK) {
			clk_pll_init(clk);
		} else if (clk->clktype == SYS_CLOCK) {
			clk_sys_init(clk);
		}
	}
}

uint32_t ulClkGetRate(uint32_t clkid)
{
	xClockProperty *clk = clk_get(clkid);

	if (clk == NULL)
		return 0;

	switch (clk->clktype) {
	case FIXED_CLOCK:
		return clk_fixed_get_rate(clk);
	case FIXED_FACTOR_CLOCK:
		return clk_fixed_factor_get_rate(clk);
	case PLL_CLOCK:
		return clk_pll_get_rate(clk);
	case SYS_CLOCK:
		return clk_sys_get_rate(clk);
	}

	return 0;
}

void vClkSetRate(uint32_t clkid, uint32_t freq)
{
	xClockProperty *clk = clk_get(clkid);

	if (clk == NULL)
		return;

	if (clk->clktype == SYS_CLOCK)
		clk_sys_set_rate(clk, freq);
}

void vClkEnable(uint32_t clkid)
{
	xClockProperty *clk = clk_get(clkid);

	if (clk == NULL)
		return;

	if (clk->clktype == SYS_CLOCK)
		clk_sys_enable(clk);
}

void vClkDisable(uint32_t clkid)
{
	xClockProperty *clk = clk_get(clkid);

	if (clk == NULL)
		return;

	if (clk->clktype == SYS_CLOCK)
		clk_sys_disable(clk);
}