#include <console/console.h>
#include <device/mmio.h>
#include <types.h>
#include <commonlib/helpers.h>
#include <soc/clock.h>

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Macros
#define	DIV(div) (div ? (2*div - 1) : 0)

#define	HALF_DIVIDER(div2x) (div2x ? (div2x - 1) : 0)

Functions
static int	clock_configure_gpll0 (void)

static int	clock_configure_mnd (struct qcs405_clock *clk, uint32_t m, uint32_t n, uint32_t d_2)

static int	clock_configure (struct qcs405_clock clk, struct clock_config clk_cfg, uint32_t hz, uint32_t num_perfs)

static bool	clock_is_off (void *cbcr_addr)

static int	clock_enable_vote (void cbcr_addr, void vote_addr, uint32_t vote_bit)

static int	clock_enable (void *cbcr_addr)

static int	clock_disable (void *cbcr_addr)

int	clock_reset_bcr (void *bcr_addr, bool reset)

void	clock_configure_uart (uint32_t hz)

void	clock_configure_spi (int blsp, int qup, uint32_t hz)

void	clock_configure_i2c (uint32_t hz)

void	clock_enable_uart (void)

void	clock_disable_uart (void)

void	clock_enable_spi (int blsp, int qup)

void	clock_disable_spi (int blsp, int qup)

void	clock_enable_i2c (void)

void	clock_disable_i2c (void)

void	clock_init (void)

Variables
struct clock_config	uart_cfg []

struct clock_config	i2c_cfg []

struct clock_config	spi_cfg []

Macro Definition Documentation

◆ DIV

#define DIV ( div ) (div ? (2*div - 1) : 0)

Definition at line 9 of file clock.c.

◆ HALF_DIVIDER

#define HALF_DIVIDER ( div2x ) (div2x ? (div2x - 1) : 0)

Definition at line 10 of file clock.c.

Function Documentation

◆ clock_configure()

static int clock_configure	(	struct qcs405_clock *	clk,
		struct clock_config *	clk_cfg,
		uint32_t	hz,
		uint32_t	num_perfs
	)

static

Definition at line 112 of file clock.c.

References BIT, qcs405_rcg::cfg, CLK_CTL_CFG_SRC_DIV_SHFT, CLK_CTL_CFG_SRC_SEL_SHFT, CLK_CTL_CMD_UPDATE_SHFT, clock_configure_mnd(), qcs405_rcg::cmd, clock_config::d_2, clock_config::div, clock_config::hz, m, clock_config::n, qcs405_clock::rcg, setbits32, clock_config::src, and write32().

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◆ clock_configure_gpll0()

static int clock_configure_gpll0 ( void )

static

Definition at line 83 of file clock.c.

References CLK_CTL_GPLL_PLLOUT_AUX2_SHFT, CLK_CTL_GPLL_PLLOUT_AUX_SHFT, CLK_CTL_GPLL_PLLOUT_LV_EARLY_SHFT, CLK_CTL_GPLL_PLLOUT_MAIN_SHFT, gcc, qcs405_gcc::gpll0, setbits32, and qcs405_gpll::user_ctl.

Referenced by clock_init().

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◆ clock_configure_i2c()

void clock_configure_i2c ( uint32_t hz )

Definition at line 238 of file clock.c.

References ARRAY_SIZE, qcs405_gcc::blsp1_qup1_i2c_clk, clock_configure(), gcc, and i2c_cfg.

Referenced by blsp_i2c_init().

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◆ clock_configure_mnd()

static int clock_configure_mnd	(	struct qcs405_clock *	clk,
		uint32_t	m,
		uint32_t	n,
		uint32_t	d_2
	)

static

Definition at line 94 of file clock.c.

References qcs405_rcg::cfg, CLK_CTL_CFG_MODE_SHFT, CLK_CTL_RCG_MND_BMSK, qcs405_clock::d_2, clock_config::d_2, m, qcs405_clock::m, qcs405_clock::n, clock_config::n, qcs405_clock::rcg, read32(), and write32().

Referenced by clock_configure().

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◆ clock_configure_spi()

void clock_configure_spi	(	int	blsp,
		int	qup,
		uint32_t	hz
	)

Definition at line 198 of file clock.c.

References ARRAY_SIZE, BIOS_ERR, qcs405_gcc::blsp1_qup0_spi_clk, qcs405_gcc::blsp1_qup1_spi_clk, qcs405_gcc::blsp1_qup2_spi_clk, qcs405_gcc::blsp1_qup3_spi_clk, qcs405_gcc::blsp1_qup4_spi_clk, qcs405_gcc::blsp2_qup0_spi_clk, clock_configure(), gcc, and printk.

Referenced by spi_ctrlr_setup().

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◆ clock_configure_uart()

void clock_configure_uart ( uint32_t hz )

Definition at line 190 of file clock.c.

References ARRAY_SIZE, qcs405_gcc::blsp1_uart2_apps_clk, clock_configure(), gcc, and uart_cfg.

Referenced by uart_init().

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◆ clock_disable()

static int clock_disable ( void * cbcr_addr )

static

Definition at line 170 of file clock.c.

References BIT, CLK_CTL_CBC_CLK_EN_SHFT, and clrbits32.

Referenced by clock_disable_i2c(), and clock_disable_uart().

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◆ clock_disable_i2c()

void clock_disable_i2c ( void )

Definition at line 314 of file clock.c.

References qcs405_gcc::blsp1_qup1_i2c_apps_cbcr, clock_disable(), and gcc.

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◆ clock_disable_spi()

void clock_disable_spi	(	int	blsp,
		int	qup
	)

Definition at line 282 of file clock.c.

References BIOS_ERR, qcs405_gcc::blsp1_qup0_spi_apps_cbcr, qcs405_gcc::blsp1_qup1_spi_apps_cbcr, qcs405_gcc::blsp1_qup2_spi_apps_cbcr, qcs405_gcc::blsp1_qup3_spi_apps_cbcr, qcs405_gcc::blsp1_qup4_spi_apps_cbcr, qcs405_gcc::blsp2_qup0_spi_apps_cbcr, clock_enable(), gcc, and printk.

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◆ clock_disable_uart()

void clock_disable_uart ( void )

Definition at line 251 of file clock.c.

References qcs405_gcc::blsp1_uart2_apps_cbcr, clock_disable(), and gcc.

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◆ clock_enable()

static int clock_enable ( void * cbcr_addr )

static

Definition at line 157 of file clock.c.

References BIT, CLK_CTL_CBC_CLK_EN_SHFT, clock_is_off(), and setbits32.

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◆ clock_enable_i2c()

void clock_enable_i2c ( void )

Definition at line 309 of file clock.c.

References qcs405_gcc::blsp1_qup1_i2c_apps_cbcr, clock_enable(), and gcc.

Referenced by blsp_i2c_init().

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◆ clock_enable_spi()

void clock_enable_spi	(	int	blsp,
		int	qup
	)

Definition at line 256 of file clock.c.

References BIOS_ERR, qcs405_gcc::blsp1_qup0_spi_apps_cbcr, qcs405_gcc::blsp1_qup1_spi_apps_cbcr, qcs405_gcc::blsp1_qup2_spi_apps_cbcr, qcs405_gcc::blsp1_qup3_spi_apps_cbcr, qcs405_gcc::blsp1_qup4_spi_apps_cbcr, qcs405_gcc::blsp2_qup0_spi_apps_cbcr, clock_enable(), gcc, and printk.

Referenced by spi_ctrlr_setup().

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◆ clock_enable_uart()

void clock_enable_uart ( void )

Definition at line 246 of file clock.c.

References qcs405_gcc::blsp1_uart2_apps_cbcr, clock_enable(), and gcc.

Referenced by uart_init().

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◆ clock_enable_vote()

static int clock_enable_vote	(	void *	cbcr_addr,
		void *	vote_addr,
		uint32_t	vote_bit
	)

static

Definition at line 144 of file clock.c.

References BIT, clock_is_off(), and setbits32.

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◆ clock_init()

void clock_init ( void )

Definition at line 319 of file clock.c.

References qcs405_gcc::blsp1_ahb_cbcr, BLSP1_AHB_CLK_ENA, qcs405_gcc::blsp2_ahb_cbcr, BLSP2_AHB_CLK_ENA, clock_configure_gpll0(), clock_enable_vote(), gcc, and qcs405_gcc::gcc_apcs_clock_branch_en_vote.

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◆ clock_is_off()

static bool clock_is_off ( void * cbcr_addr )

static

Definition at line 139 of file clock.c.

References CLK_CTL_CBC_CLK_OFF_BMSK, and read32().

Referenced by clock_enable(), and clock_enable_vote().

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◆ clock_reset_bcr()

int clock_reset_bcr	(	void *	bcr_addr,
		bool	reset
	)

Definition at line 178 of file clock.c.

References qcs405_bcr::bcr, BIT, CLK_CTL_BCR_BLK_ARES_SHFT, clrbits32, reset(), and setbits32.

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Variable Documentation

◆ i2c_cfg

struct clock_config i2c_cfg[]

Initial value:

= {
        {
                .hz = 19200000,
                .hw_ctl = 0x0,
                .src = SRC_XO_19_2MHZ,
                .div = DIV(0),
        },
        {
                .hz = 50000000,
                .hw_ctl = 0x0,
                .src = SRC_GPLL0_MAIN_800MHZ,
                .div = DIV(32),
        }
}

Definition at line 1 of file clock.c.

Referenced by clock_configure_i2c().

◆ spi_cfg

struct clock_config spi_cfg[]

Definition at line 1 of file clock.c.

◆ uart_cfg

struct clock_config uart_cfg[]

Initial value:

= {
        {
                .hz = 1843200,
                .hw_ctl = 0x0,
                .src = SRC_GPLL0_MAIN_800MHZ,
                .div = DIV(0),
                .m = 36,
                .n = 15625,
                .d_2 = 15625,
        },
        {
                .hz = 3686400,
                .hw_ctl = 0x0,
                .src = SRC_GPLL0_MAIN_800MHZ,
                .div = DIV(0),
                .m = 72,
                .n = 15625,
                .d_2 = 15625,
        }
}

Definition at line 1 of file clock.c.

Referenced by clock_configure_uart().

Macros

Functions

Variables

Macro Definition Documentation

◆ DIV

◆ HALF_DIVIDER

Function Documentation

◆ clock_configure()

◆ clock_configure_gpll0()

◆ clock_configure_i2c()

◆ clock_configure_mnd()

◆ clock_configure_spi()

◆ clock_configure_uart()

◆ clock_disable()

◆ clock_disable_i2c()

◆ clock_disable_spi()

◆ clock_disable_uart()

◆ clock_enable()

◆ clock_enable_i2c()

◆ clock_enable_spi()

◆ clock_enable_uart()

◆ clock_enable_vote()

◆ clock_init()

◆ clock_is_off()

◆ clock_reset_bcr()

Variable Documentation

◆ i2c_cfg

◆ spi_cfg

◆ uart_cfg