C++ (Cpp) MXC_CCM_CS2CDR_QSPI2_CLK_SEL Beispiele

Beispiel #1

Datei: mx6sxsabreauto.c Projekt: huhuikevin/fsluboot

static void setup_gpmi_nand(void)
{
	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;

	/* config gpmi nand iomux */
	imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));

	/* Disable the QSPI2 root clock */
	clrbits_le32(&mxc_ccm->CCGR4, MXC_CCM_CCGR4_QSPI2_ENFC_MASK
				| MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK);

	/* config gpmi and bch clock to 100 MHz */
	clrsetbits_le32(&mxc_ccm->cs2cdr,
			MXC_CCM_CS2CDR_QSPI2_CLK_PODF_MASK |
			MXC_CCM_CS2CDR_QSPI2_CLK_PRED_MASK |
			MXC_CCM_CS2CDR_QSPI2_CLK_SEL_MASK,
			MXC_CCM_CS2CDR_QSPI2_CLK_PODF(0) |
			MXC_CCM_CS2CDR_QSPI2_CLK_PRED(3) |
			MXC_CCM_CS2CDR_QSPI2_CLK_SEL(3));

	/* enable gpmi and bch clock gating */
	setbits_le32(&mxc_ccm->CCGR4,
		     MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
		     MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
		     MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
		     MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
		     MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_MASK |
		     MXC_CCM_CCGR4_QSPI2_ENFC_MASK);

	/* enable apbh clock gating */
	setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
}

Beispiel #2

Datei: mx6sxsabreauto.c Projekt: dremaker/imx6ul_uboot

static void setup_gpmi_nand(void)
{
	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;

	/* config gpmi nand iomux */
	imx_iomux_v3_setup_multiple_pads(gpmi_pads,
					 ARRAY_SIZE(gpmi_pads));
	setup_gpmi_io_clk((MXC_CCM_CS2CDR_QSPI2_CLK_PODF(0) |
			  MXC_CCM_CS2CDR_QSPI2_CLK_PRED(3) |
			  MXC_CCM_CS2CDR_QSPI2_CLK_SEL(3)));
	/* enable apbh clock gating */
	setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
}