clock.c File Reference

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

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Functions
static int	clock_configure_gpll0 (void)
void	clock_configure_qspi (uint32_t hz)
void	clock_configure_dfsr (int qup)
void	clock_enable_qup (int qup)
static enum cb_err	pll_init_and_set (struct sc7180_apss_clock *apss, u32 l_val)
static void	speed_up_boot_cpu (void)
enum cb_err	mdss_clock_configure (enum mdss_clock clk_type, uint32_t source, uint32_t divider, uint32_t m, uint32_t n, uint32_t d_2)
int	mdss_clock_enable (enum mdss_clock clk_type)
void	clock_init (void)

Variables
static struct clock_freq_config	qspi_core_cfg []
static struct clock_freq_config	qupv3_wrap_cfg []
static struct clock_rcg_mnd *	mdss_clock [MDSS_CLK_COUNT]
static u32 *	mdss_cbcr [MDSS_CLK_COUNT]

Function Documentation

clock_configure_dfsr()

void clock_configure_dfsr

(

int

qup

)

Definition at line 126 of file clock.c.

References ARRAY_SIZE, clock_configure_dfsr_table(), and qupv3_wrap_cfg.

Referenced by qupv3_se_fw_load_and_init().

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clock_configure_gpll0()

static int clock_configure_gpll0 ( void  )

static

Definition at line 101 of file clock.c.

References clock_configure_enable_gpll(), gcc, qcs405_gcc::gpll0, PLL_PLLOUT_EVEN_SHFT, PLL_PLLOUT_MAIN_SHFT, PLL_PLLOUT_ODD_SHFT, PLL_POST_DIV_EVEN_SHFT, alpha_pll_reg_val_config::reg_user_ctl, alpha_pll_reg_val_config::reg_user_ctl_hi, SCALE_FREQ_SHFT, qcs405_gpll::user_ctl, alpha_pll_reg_val_config::user_ctl_hi_val, qcs405_gpll::user_ctl_u, and alpha_pll_reg_val_config::user_ctl_val.

Referenced by clock_init().

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clock_configure_qspi()

void clock_configure_qspi

(

uint32_t

hz

)

Definition at line 117 of file clock.c.

clock_enable_qup()

void clock_enable_qup

(

int

qup

)

Definition at line 132 of file clock.c.

References qupv3_clock::cbcr, clock_enable_vote(), gcc, QUP_WRAP1_S0, QUPV3_WRAP0_CLK_ENA_S, QUPV3_WRAP1_CLK_ENA_S, and s.

Referenced by i2c_init(), qup_spi_init(), qupv3_fw_init(), and uart_init().

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clock_init()

void clock_init

(

void

)

Definition at line 229 of file clock.c.

References clock_configure_gpll0(), clock_enable_vote(), gcc, QUPV3_WRAP0_CORE_2X_CLK_ENA, QUPV3_WRAP0_CORE_CLK_ENA, QUPV3_WRAP1_CORE_2X_CLK_ENA, QUPV3_WRAP1_CORE_CLK_ENA, QUPV3_WRAP_0_M_AHB_CLK_ENA, QUPV3_WRAP_0_S_AHB_CLK_ENA, QUPV3_WRAP_1_M_AHB_CLK_ENA, QUPV3_WRAP_1_S_AHB_CLK_ENA, and speed_up_boot_cpu().

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mdss_clock_configure()

enum cb_err mdss_clock_configure	(	enum mdss_clock	clk_type,
		uint32_t	source,
		uint32_t	divider,
		uint32_t	m,
		uint32_t	n,
		uint32_t	d_2
	)

Definition at line 180 of file clock.c.

References apss_l3, apss_silver, BIOS_DEBUG, L_VAL_1209P6MHz, L_VAL_1516P8MHz, pll_init_and_set(), and printk.

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mdss_clock_enable()

int mdss_clock_enable

(

enum mdss_clock

clk_type

)

Definition at line 220 of file clock.c.

References CB_ERR, clock_enable(), mdss_cbcr, and MDSS_CLK_COUNT.

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pll_init_and_set()

static enum cb_err pll_init_and_set ( struct sc7180_apss_clock *  apss, u32  l_val  )

static

Definition at line 132 of file clock.c.

Referenced by mdss_clock_configure().

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speed_up_boot_cpu()

static void speed_up_boot_cpu ( void  )

static

Definition at line 180 of file clock.c.

Referenced by clock_init().

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Variable Documentation

mdss_cbcr

u32* mdss_cbcr[MDSS_CLK_COUNT]

static

Initial value:

= {
        [MDSS_CLK_ESC0] = &mdss->esc0_cbcr,
        [MDSS_CLK_PCLK0] = &mdss->pclk0_cbcr,
        [MDSS_CLK_BYTE0] = &mdss->byte0_cbcr,
        [MDSS_CLK_BYTE0_INTF] = &mdss->byte0_intf_cbcr,
}

Definition at line 94 of file clock.c.

Referenced by mdss_clock_enable().

mdss_clock

struct clock_rcg_mnd* mdss_clock[MDSS_CLK_COUNT]

static

Initial value:

= {
        [MDSS_CLK_ESC0] = &mdss->esc0,
        [MDSS_CLK_PCLK0] = &mdss->pclk0,
        [MDSS_CLK_BYTE0] = &mdss->byte0,
        [MDSS_CLK_BYTE0_INTF] = &mdss->byte0,
}

Definition at line 87 of file clock.c.

qspi_core_cfg

struct clock_freq_config qspi_core_cfg[]

static

Initial value:

= {
        {
                .hz = SRC_XO_HZ,        
                .src = SRC_XO_19_2MHZ,
                .div = QCOM_CLOCK_DIV(1),
        },
        {
                .hz = 100 * MHz,
                .src = SRC_GPLL0_EVEN_300MHZ,
                .div = QCOM_CLOCK_DIV(3),
        },
        {
                .hz = 150 * MHz,
                .src = SRC_GPLL0_EVEN_300MHZ,
                .div = QCOM_CLOCK_DIV(2),
        },
        {
                .hz = GPLL0_EVEN_HZ,    
                .src = SRC_GPLL0_EVEN_300MHZ,
                .div = QCOM_CLOCK_DIV(1),
        }
}

Definition at line 1 of file clock.c.

Referenced by clock_configure_qspi().

qupv3_wrap_cfg

struct clock_freq_config qupv3_wrap_cfg[]

static

Definition at line 1 of file clock.c.

Referenced by clock_configure_dfsr().