Exemplos de mmc_mclk_reg_wr_delay em C++ (Cpp)

Exemplo n.º 1

Arquivo: acpuclock.c Projeto: GoldRenard/android_bootable_bootloader_lk-shellr

/* Configure MMC clock */
void clock_config_mmc(uint32_t interface, uint32_t freq)
{
	uint32_t reg = 0;

	if( mmc_clock_set_rate(sdc_clk[interface], freq) < 0 )
	{
		dprintf(CRITICAL, "Failure setting clock rate for MCLK - "
						  "clk_rate: %d\n!", freq);
		ASSERT(0);
	}

	/* enable clock */
	if( mmc_clock_enable_disable(sdc_clk[interface], MMC_CLK_ENABLE) < 0 )
	{
		dprintf(CRITICAL, "Failure enabling MMC Clock!\n");
		ASSERT(0);
	}

	reg |= MMC_BOOT_MCI_CLK_ENABLE;
	reg |= MMC_BOOT_MCI_CLK_ENA_FLOW;
	reg |= MMC_BOOT_MCI_CLK_IN_FEEDBACK;
	writel( reg, MMC_BOOT_MCI_CLK );

	/* Wait for the MMC_BOOT_MCI_CLK write to go through. */
	mmc_mclk_reg_wr_delay();

	/* Wait 1 ms to provide the free running SD CLK to the card. */
	mdelay(1);
}

Exemplo n.º 2

Arquivo: acpuclock.c Projeto: joyfish/android_bootable_bootloader_lk

/* Configure MMC clock */
void clock_config_mmc(uint32_t interface, uint32_t freq)
{
	int ret;
	uint32_t reg;
	char clk_name[64];

	snprintf(clk_name, 64, "sdc%u_core_clk", interface);

	if(freq == MMC_CLK_400KHZ)
	{
		ret = clk_get_set_enable(clk_name, 400000, 1);
	}
	else if(freq == MMC_CLK_50MHZ)
	{
		ret = clk_get_set_enable(clk_name, 50000000, 1);
	}
	else
	{
		dprintf(CRITICAL, "sdc frequency (%d) is not supported\n", freq);
		ASSERT(0);
	}


	if(ret)
	{
		dprintf(CRITICAL, "failed to set sdc1_core_clk ret = %d\n", ret);
		ASSERT(0);
	}

	reg = 0;
	reg |= MMC_BOOT_MCI_CLK_ENABLE;
	reg |= MMC_BOOT_MCI_CLK_ENA_FLOW;
	reg |= MMC_BOOT_MCI_CLK_IN_FEEDBACK;
	writel(reg, MMC_BOOT_MCI_CLK);

	/* Wait for the MMC_BOOT_MCI_CLK write to go through. */
	mmc_mclk_reg_wr_delay();

	/* Wait 1 ms to provide the free running SD CLK to the card. */
	mdelay(1);
}