PLL1_CLOCK = 0,
PLL2_CLOCK,
PLL3_CLOCK,
+#ifdef CONFIG_MX53
PLL4_CLOCK,
+#endif
PLL_CLOCKS,
};
#define EMI_DIV_MAX 8
#define NFC_DIV_MAX 8
+#define MX5_CBCMR 0x00015154
+#define MX5_CBCDR 0x02888945
+
struct fixed_pll_mfd {
u32 ref_clk_hz;
u32 mfd;
};
const struct fixed_pll_mfd fixed_mfd[] = {
- {CONFIG_SYS_MX5_HCLK, 24 * 16},
+ {MXC_HCLK, 24 * 16},
};
struct pll_param {
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
-void set_usboh3_clk(void)
+int clk_enable(struct clk *clk)
{
- unsigned int reg;
+ int ret = 0;
+
+ if (!clk)
+ return 0;
+ if (clk->usecount++ == 0) {
+ ret = clk->enable(clk);
+ if (ret)
+ clk->usecount--;
+ }
+ return ret;
+}
- reg = readl(&mxc_ccm->cscmr1) &
- ~MXC_CCM_CSCMR1_USBOH3_CLK_SEL_MASK;
- reg |= 1 << MXC_CCM_CSCMR1_USBOH3_CLK_SEL_OFFSET;
- writel(reg, &mxc_ccm->cscmr1);
+void clk_disable(struct clk *clk)
+{
+ if (!clk)
+ return;
- reg = readl(&mxc_ccm->cscdr1);
- reg &= ~MXC_CCM_CSCDR1_USBOH3_CLK_PODF_MASK;
- reg &= ~MXC_CCM_CSCDR1_USBOH3_CLK_PRED_MASK;
- reg |= 4 << MXC_CCM_CSCDR1_USBOH3_CLK_PRED_OFFSET;
- reg |= 1 << MXC_CCM_CSCDR1_USBOH3_CLK_PODF_OFFSET;
+ if (!(--clk->usecount)) {
+ if (clk->disable)
+ clk->disable(clk);
+ }
+ if (clk->usecount < 0) {
+ printf("%s: clk %p underflow\n", __func__, clk);
+ hang();
+ }
+}
- writel(reg, &mxc_ccm->cscdr1);
+void set_usboh3_clk(void)
+{
+ clrsetbits_le32(&mxc_ccm->cscmr1,
+ MXC_CCM_CSCMR1_USBOH3_CLK_SEL_MASK,
+ MXC_CCM_CSCMR1_USBOH3_CLK_SEL(1));
+ clrsetbits_le32(&mxc_ccm->cscdr1,
+ MXC_CCM_CSCDR1_USBOH3_CLK_PODF_MASK |
+ MXC_CCM_CSCDR1_USBOH3_CLK_PRED_MASK,
+ MXC_CCM_CSCDR1_USBOH3_CLK_PRED(4) |
+ MXC_CCM_CSCDR1_USBOH3_CLK_PODF(1));
}
void enable_usboh3_clk(unsigned char enable)
{
- unsigned int reg;
+ unsigned int cg = enable ? MXC_CCM_CCGR_CG_ON : MXC_CCM_CCGR_CG_OFF;
- reg = readl(&mxc_ccm->CCGR2);
- if (enable)
- reg |= 1 << MXC_CCM_CCGR2_CG14_OFFSET;
- else
- reg &= ~(1 << MXC_CCM_CCGR2_CG14_OFFSET);
- writel(reg, &mxc_ccm->CCGR2);
+ clrsetbits_le32(&mxc_ccm->CCGR2,
+ MXC_CCM_CCGR2_USBOH3_60M(MXC_CCM_CCGR_CG_MASK),
+ MXC_CCM_CCGR2_USBOH3_60M(cg));
}
-void set_usb_phy1_clk(void)
+void ipu_clk_enable(void)
{
- unsigned int reg;
+ /* IPU root clock derived from AXI B */
+ clrsetbits_le32(&mxc_ccm->cbcmr, MXC_CCM_CBCMR_IPU_HSP_CLK_SEL_MASK,
+ MXC_CCM_CBCMR_IPU_HSP_CLK_SEL(1));
- reg = readl(&mxc_ccm->cscmr1);
- reg &= ~MXC_CCM_CSCMR1_USB_PHY_CLK_SEL;
- writel(reg, &mxc_ccm->cscmr1);
+ setbits_le32(&mxc_ccm->CCGR5,
+ MXC_CCM_CCGR5_IPU(MXC_CCM_CCGR_CG_MASK));
+
+ /* Handshake with IPU when certain clock rates are changed. */
+ clrbits_le32(&mxc_ccm->ccdr, MXC_CCM_CCDR_IPU_HS_MASK);
+
+ /* Handshake with IPU when LPM is entered as its enabled. */
+ clrbits_le32(&mxc_ccm->clpcr, MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS);
}
-void enable_usb_phy1_clk(unsigned char enable)
+void ipu_clk_disable(void)
+{
+ clrbits_le32(&mxc_ccm->CCGR5,
+ MXC_CCM_CCGR5_IPU(MXC_CCM_CCGR_CG_MASK));
+
+ /* Handshake with IPU when certain clock rates are changed. */
+ setbits_le32(&mxc_ccm->ccdr, MXC_CCM_CCDR_IPU_HS_MASK);
+
+ /* Handshake with IPU when LPM is entered as its enabled. */
+ setbits_le32(&mxc_ccm->clpcr, MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS);
+}
+
+#ifdef CONFIG_I2C_MXC
+/* i2c_num can be from 0, to 1 for i.MX51 and 2 for i.MX53 */
+int enable_i2c_clk(unsigned char enable, unsigned i2c_num)
{
- unsigned int reg;
+ u32 mask;
- reg = readl(&mxc_ccm->CCGR4);
+#if defined(CONFIG_MX51)
+ if (i2c_num > 1)
+#elif defined(CONFIG_MX53)
+ if (i2c_num > 2)
+#endif
+ return -EINVAL;
+ mask = MXC_CCM_CCGR_CG_MASK <<
+ (MXC_CCM_CCGR1_I2C1_OFFSET + (i2c_num << 1));
if (enable)
- reg |= 1 << MXC_CCM_CCGR4_CG5_OFFSET;
+ setbits_le32(&mxc_ccm->CCGR1, mask);
else
- reg &= ~(1 << MXC_CCM_CCGR4_CG5_OFFSET);
- writel(reg, &mxc_ccm->CCGR4);
+ clrbits_le32(&mxc_ccm->CCGR1, mask);
+ return 0;
+}
+#endif
+
+void set_usb_phy_clk(void)
+{
+ clrbits_le32(&mxc_ccm->cscmr1, MXC_CCM_CSCMR1_USB_PHY_CLK_SEL);
}
-void set_usb_phy2_clk(void)
+#if defined(CONFIG_MX51)
+void enable_usb_phy1_clk(unsigned char enable)
{
- unsigned int reg;
+ unsigned int cg = enable ? MXC_CCM_CCGR_CG_ON : MXC_CCM_CCGR_CG_OFF;
- reg = readl(&mxc_ccm->cscmr1);
- reg &= ~MXC_CCM_CSCMR1_USB_PHY_CLK_SEL;
- writel(reg, &mxc_ccm->cscmr1);
+ clrsetbits_le32(&mxc_ccm->CCGR2,
+ MXC_CCM_CCGR2_USB_PHY(MXC_CCM_CCGR_CG_MASK),
+ MXC_CCM_CCGR2_USB_PHY(cg));
+}
+
+void enable_usb_phy2_clk(unsigned char enable)
+{
+ /* i.MX51 has a single USB PHY clock, so do nothing here. */
+}
+#elif defined(CONFIG_MX53)
+void enable_usb_phy1_clk(unsigned char enable)
+{
+ unsigned int cg = enable ? MXC_CCM_CCGR_CG_ON : MXC_CCM_CCGR_CG_OFF;
+
+ clrsetbits_le32(&mxc_ccm->CCGR4,
+ MXC_CCM_CCGR4_USB_PHY1(MXC_CCM_CCGR_CG_MASK),
+ MXC_CCM_CCGR4_USB_PHY1(cg));
}
void enable_usb_phy2_clk(unsigned char enable)
{
- unsigned int reg;
+ unsigned int cg = enable ? MXC_CCM_CCGR_CG_ON : MXC_CCM_CCGR_CG_OFF;
- reg = readl(&mxc_ccm->CCGR4);
- if (enable)
- reg |= 1 << MXC_CCM_CCGR4_CG6_OFFSET;
- else
- reg &= ~(1 << MXC_CCM_CCGR4_CG6_OFFSET);
- writel(reg, &mxc_ccm->CCGR4);
+ clrsetbits_le32(&mxc_ccm->CCGR4,
+ MXC_CCM_CCGR4_USB_PHY2(MXC_CCM_CCGR_CG_MASK),
+ MXC_CCM_CCGR4_USB_PHY2(cg));
}
+#endif
/*
* Calculate the frequency of PLLn.
ctrl = readl(&pll->ctrl);
if (ctrl & MXC_DPLLC_CTL_HFSM) {
- mfn = __raw_readl(&pll->hfs_mfn);
- mfd = __raw_readl(&pll->hfs_mfd);
- op = __raw_readl(&pll->hfs_op);
+ mfn = readl(&pll->hfs_mfn);
+ mfd = readl(&pll->hfs_mfd);
+ op = readl(&pll->hfs_op);
} else {
- mfn = __raw_readl(&pll->mfn);
- mfd = __raw_readl(&pll->mfd);
- op = __raw_readl(&pll->op);
+ mfn = readl(&pll->mfn);
+ mfd = readl(&pll->mfd);
+ op = readl(&pll->op);
}
mfd &= MXC_DPLLC_MFD_MFD_MASK;
mfn &= MXC_DPLLC_MFN_MFN_MASK;
pdf = op & MXC_DPLLC_OP_PDF_MASK;
- mfi = (op & MXC_DPLLC_OP_MFI_MASK) >> MXC_DPLLC_OP_MFI_OFFSET;
+ mfi = MXC_DPLLC_OP_MFI_RD(op);
/* 21.2.3 */
if (mfi < 5)
return ret;
}
+#ifdef CONFIG_MX51
+/*
+ * This function returns the Frequency Pre-Multiplier clock.
+ */
+static u32 get_fpm(void)
+{
+ u32 mult;
+ u32 ccr = readl(&mxc_ccm->ccr);
+
+ if (ccr & MXC_CCM_CCR_FPM_MULT)
+ mult = 1024;
+ else
+ mult = 512;
+
+ return MXC_CLK32 * mult;
+}
+#endif
+
+/*
+ * This function returns the low power audio clock.
+ */
+static u32 get_lp_apm(void)
+{
+ u32 ret_val = 0;
+ u32 ccsr = readl(&mxc_ccm->ccsr);
+
+ if (ccsr & MXC_CCM_CCSR_LP_APM)
+#if defined(CONFIG_MX51)
+ ret_val = get_fpm();
+#elif defined(CONFIG_MX53)
+ ret_val = decode_pll(mxc_plls[PLL4_CLOCK], MXC_HCLK);
+#endif
+ else
+ ret_val = MXC_HCLK;
+
+ return ret_val;
+}
+
/*
* Get mcu main rate
*/
{
u32 reg, freq;
- reg = (__raw_readl(&mxc_ccm->cacrr) & MXC_CCM_CACRR_ARM_PODF_MASK) >>
- MXC_CCM_CACRR_ARM_PODF_OFFSET;
- freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+ reg = MXC_CCM_CACRR_ARM_PODF_RD(readl(&mxc_ccm->cacrr));
+ freq = decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
return freq / (reg + 1);
}
{
u32 reg;
- reg = __raw_readl(&mxc_ccm->cbcdr);
+ reg = readl(&mxc_ccm->cbcdr);
if (!(reg & MXC_CCM_CBCDR_PERIPH_CLK_SEL))
- return decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_SYS_MX5_HCLK);
- reg = __raw_readl(&mxc_ccm->cbcmr);
- switch ((reg & MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >>
- MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) {
+ return decode_pll(mxc_plls[PLL2_CLOCK], MXC_HCLK);
+ reg = readl(&mxc_ccm->cbcmr);
+ switch (MXC_CCM_CBCMR_PERIPH_CLK_SEL_RD(reg)) {
case 0:
- return decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+ return decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
case 1:
- return decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_SYS_MX5_HCLK);
+ return decode_pll(mxc_plls[PLL3_CLOCK], MXC_HCLK);
+ case 2:
+ return get_lp_apm();
default:
return 0;
}
freq = get_ahb_clk();
- reg = __raw_readl(&mxc_ccm->cbcdr);
- div = ((reg & MXC_CCM_CBCDR_IPG_PODF_MASK) >>
- MXC_CCM_CBCDR_IPG_PODF_OFFSET) + 1;
+ reg = readl(&mxc_ccm->cbcdr);
+ div = MXC_CCM_CBCDR_IPG_PODF_RD(reg) + 1;
return freq / div;
}
*/
static u32 get_ipg_per_clk(void)
{
- u32 pred1, pred2, podf;
+ u32 freq, pred1, pred2, podf;
- if (__raw_readl(&mxc_ccm->cbcmr) & MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL)
+ if (readl(&mxc_ccm->cbcmr) & MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL)
return get_ipg_clk();
- /* Fixme: not handle what about lpm*/
- podf = __raw_readl(&mxc_ccm->cbcdr);
- pred1 = (podf & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >>
- MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET;
- pred2 = (podf & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >>
- MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET;
- podf = (podf & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >>
- MXC_CCM_CBCDR_PERCLK_PODF_OFFSET;
- return get_periph_clk() / ((pred1 + 1) * (pred2 + 1) * (podf + 1));
+ if (readl(&mxc_ccm->cbcmr) & MXC_CCM_CBCMR_PERCLK_LP_APM_CLK_SEL)
+ freq = get_lp_apm();
+ else
+ freq = get_periph_clk();
+ podf = readl(&mxc_ccm->cbcdr);
+ pred1 = MXC_CCM_CBCDR_PERCLK_PRED1_RD(podf);
+ pred2 = MXC_CCM_CBCDR_PERCLK_PRED2_RD(podf);
+ podf = MXC_CCM_CBCDR_PERCLK_PODF_RD(podf);
+ return freq / ((pred1 + 1) * (pred2 + 1) * (podf + 1));
}
-/*
- * Get the rate of uart clk.
- */
-static u32 get_uart_clk(void)
+/* Get the output clock rate of a standard PLL MUX for peripherals. */
+static u32 get_standard_pll_sel_clk(u32 clk_sel)
{
- unsigned int freq, reg, pred, podf;
+ u32 freq = 0;
- reg = __raw_readl(&mxc_ccm->cscmr1);
- switch ((reg & MXC_CCM_CSCMR1_UART_CLK_SEL_MASK) >>
- MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET) {
- case 0x0:
- freq = decode_pll(mxc_plls[PLL1_CLOCK],
- CONFIG_SYS_MX5_HCLK);
+ switch (clk_sel & 0x3) {
+ case 0:
+ freq = decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
+ break;
+ case 1:
+ freq = decode_pll(mxc_plls[PLL2_CLOCK], MXC_HCLK);
break;
- case 0x1:
- freq = decode_pll(mxc_plls[PLL2_CLOCK],
- CONFIG_SYS_MX5_HCLK);
+ case 2:
+ freq = decode_pll(mxc_plls[PLL3_CLOCK], MXC_HCLK);
break;
- case 0x2:
- freq = decode_pll(mxc_plls[PLL3_CLOCK],
- CONFIG_SYS_MX5_HCLK);
+ case 3:
+ freq = get_lp_apm();
break;
- default:
- return 66500000;
}
- reg = __raw_readl(&mxc_ccm->cscdr1);
-
- pred = (reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >>
- MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET;
-
- podf = (reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >>
- MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET;
- freq /= (pred + 1) * (podf + 1);
-
return freq;
}
/*
- * This function returns the low power audio clock.
+ * Get the rate of uart clk.
*/
-static u32 get_lp_apm(void)
+static u32 get_uart_clk(void)
{
- u32 ret_val = 0;
- u32 ccsr = __raw_readl(&mxc_ccm->ccsr);
+ unsigned int clk_sel, freq, reg, pred, podf;
- if (((ccsr >> 9) & 1) == 0)
- ret_val = CONFIG_SYS_MX5_HCLK;
- else
- ret_val = ((32768 * 1024));
+ reg = readl(&mxc_ccm->cscmr1);
+ clk_sel = MXC_CCM_CSCMR1_UART_CLK_SEL_RD(reg);
+ freq = get_standard_pll_sel_clk(clk_sel);
- return ret_val;
+ reg = readl(&mxc_ccm->cscdr1);
+ pred = MXC_CCM_CSCDR1_UART_CLK_PRED_RD(reg);
+ podf = MXC_CCM_CSCDR1_UART_CLK_PODF_RD(reg);
+ freq /= (pred + 1) * (podf + 1);
+
+ return freq;
}
/*
*/
static u32 imx_get_cspiclk(void)
{
- u32 ret_val = 0, pdf, pre_pdf, clk_sel;
- u32 cscmr1 = __raw_readl(&mxc_ccm->cscmr1);
- u32 cscdr2 = __raw_readl(&mxc_ccm->cscdr2);
+ u32 ret_val = 0, pdf, pre_pdf, clk_sel, freq;
+ u32 cscmr1 = readl(&mxc_ccm->cscmr1);
+ u32 cscdr2 = readl(&mxc_ccm->cscdr2);
+
+ pre_pdf = MXC_CCM_CSCDR2_CSPI_CLK_PRED_RD(cscdr2);
+ pdf = MXC_CCM_CSCDR2_CSPI_CLK_PODF_RD(cscdr2);
+ clk_sel = MXC_CCM_CSCMR1_CSPI_CLK_SEL_RD(cscmr1);
+ freq = get_standard_pll_sel_clk(clk_sel);
+ ret_val = freq / ((pre_pdf + 1) * (pdf + 1));
+ return ret_val;
+}
- pre_pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PRED_MASK) \
- >> MXC_CCM_CSCDR2_CSPI_CLK_PRED_OFFSET;
- pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PODF_MASK) \
- >> MXC_CCM_CSCDR2_CSPI_CLK_PODF_OFFSET;
- clk_sel = (cscmr1 & MXC_CCM_CSCMR1_CSPI_CLK_SEL_MASK) \
- >> MXC_CCM_CSCMR1_CSPI_CLK_SEL_OFFSET;
+/*
+ * get esdhc clock rate.
+ */
+static u32 get_esdhc_clk(u32 port)
+{
+ u32 clk_sel = 0, pred = 0, podf = 0, freq = 0;
+ u32 cscmr1 = readl(&mxc_ccm->cscmr1);
+ u32 cscdr1 = readl(&mxc_ccm->cscdr1);
- switch (clk_sel) {
+ switch (port) {
case 0:
- ret_val = decode_pll(mxc_plls[PLL1_CLOCK],
- CONFIG_SYS_MX5_HCLK) /
- ((pre_pdf + 1) * (pdf + 1));
+ clk_sel = MXC_CCM_CSCMR1_ESDHC1_MSHC1_CLK_SEL_RD(cscmr1);
+ pred = MXC_CCM_CSCDR1_ESDHC1_MSHC1_CLK_PRED_RD(cscdr1);
+ podf = MXC_CCM_CSCDR1_ESDHC1_MSHC1_CLK_PODF_RD(cscdr1);
break;
case 1:
- ret_val = decode_pll(mxc_plls[PLL2_CLOCK],
- CONFIG_SYS_MX5_HCLK) /
- ((pre_pdf + 1) * (pdf + 1));
+ clk_sel = MXC_CCM_CSCMR1_ESDHC2_MSHC2_CLK_SEL_RD(cscmr1);
+ pred = MXC_CCM_CSCDR1_ESDHC2_MSHC2_CLK_PRED_RD(cscdr1);
+ podf = MXC_CCM_CSCDR1_ESDHC2_MSHC2_CLK_PODF_RD(cscdr1);
break;
case 2:
- ret_val = decode_pll(mxc_plls[PLL3_CLOCK],
- CONFIG_SYS_MX5_HCLK) /
- ((pre_pdf + 1) * (pdf + 1));
- break;
+ if (cscmr1 & MXC_CCM_CSCMR1_ESDHC3_CLK_SEL)
+ return get_esdhc_clk(1);
+ else
+ return get_esdhc_clk(0);
+ case 3:
+ if (cscmr1 & MXC_CCM_CSCMR1_ESDHC4_CLK_SEL)
+ return get_esdhc_clk(1);
+ else
+ return get_esdhc_clk(0);
default:
- ret_val = get_lp_apm() / ((pre_pdf + 1) * (pdf + 1));
break;
}
- return ret_val;
+ freq = get_standard_pll_sel_clk(clk_sel) / ((pred + 1) * (podf + 1));
+ return freq;
}
static u32 get_axi_a_clk(void)
{
- u32 cbcdr = __raw_readl(&mxc_ccm->cbcdr);
- u32 pdf = (cbcdr & MXC_CCM_CBCDR_AXI_A_PODF_MASK) \
- >> MXC_CCM_CBCDR_AXI_A_PODF_OFFSET;
+ u32 cbcdr = readl(&mxc_ccm->cbcdr);
+ u32 pdf = MXC_CCM_CBCDR_AXI_A_PODF_RD(cbcdr);
return get_periph_clk() / (pdf + 1);
}
static u32 get_axi_b_clk(void)
{
- u32 cbcdr = __raw_readl(&mxc_ccm->cbcdr);
- u32 pdf = (cbcdr & MXC_CCM_CBCDR_AXI_B_PODF_MASK) \
- >> MXC_CCM_CBCDR_AXI_B_PODF_OFFSET;
+ u32 cbcdr = readl(&mxc_ccm->cbcdr);
+ u32 pdf = MXC_CCM_CBCDR_AXI_B_PODF_RD(cbcdr);
return get_periph_clk() / (pdf + 1);
}
static u32 get_emi_slow_clk(void)
{
- u32 cbcdr = __raw_readl(&mxc_ccm->cbcdr);
+ u32 cbcdr = readl(&mxc_ccm->cbcdr);
u32 emi_clk_sel = cbcdr & MXC_CCM_CBCDR_EMI_CLK_SEL;
- u32 pdf = (cbcdr & MXC_CCM_CBCDR_EMI_PODF_MASK) \
- >> MXC_CCM_CBCDR_EMI_PODF_OFFSET;
+ u32 pdf = MXC_CCM_CBCDR_EMI_PODF_RD(cbcdr);
if (emi_clk_sel)
return get_ahb_clk() / (pdf + 1);
static u32 get_ddr_clk(void)
{
u32 ret_val = 0;
- u32 cbcmr = __raw_readl(&mxc_ccm->cbcmr);
- u32 ddr_clk_sel = (cbcmr & MXC_CCM_CBCMR_DDR_CLK_SEL_MASK) \
- >> MXC_CCM_CBCMR_DDR_CLK_SEL_OFFSET;
+ u32 cbcmr = readl(&mxc_ccm->cbcmr);
+ u32 ddr_clk_sel = MXC_CCM_CBCMR_DDR_CLK_SEL_RD(cbcmr);
#ifdef CONFIG_MX51
- u32 cbcdr = __raw_readl(&mxc_ccm->cbcdr);
+ u32 cbcdr = readl(&mxc_ccm->cbcdr);
if (cbcdr & MXC_CCM_CBCDR_DDR_HIFREQ_SEL) {
- u32 ddr_clk_podf = (cbcdr & MXC_CCM_CBCDR_DDR_PODF_MASK) >> \
- MXC_CCM_CBCDR_DDR_PODF_OFFSET;
+ u32 ddr_clk_podf = MXC_CCM_CBCDR_DDR_PODF_RD(cbcdr);
- ret_val = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+ ret_val = decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
ret_val /= ddr_clk_podf + 1;
return ret_val;
case MXC_IPG_CLK:
return get_ipg_clk();
case MXC_IPG_PERCLK:
+ case MXC_I2C_CLK:
return get_ipg_per_clk();
case MXC_UART_CLK:
return get_uart_clk();
case MXC_CSPI_CLK:
return imx_get_cspiclk();
+ case MXC_ESDHC_CLK:
+ return get_esdhc_clk(0);
+ case MXC_ESDHC2_CLK:
+ return get_esdhc_clk(1);
+ case MXC_ESDHC3_CLK:
+ return get_esdhc_clk(2);
+ case MXC_ESDHC4_CLK:
+ return get_esdhc_clk(3);
case MXC_FEC_CLK:
- return decode_pll(mxc_plls[PLL1_CLOCK],
- CONFIG_SYS_MX5_HCLK);
+ return get_ipg_clk();
case MXC_SATA_CLK:
return get_ahb_clk();
case MXC_DDR_CLK:
return get_uart_clk();
}
-
u32 imx_get_fecclk(void)
{
- return mxc_get_clock(MXC_IPG_CLK);
+ return get_ipg_clk();
}
static int gcd(int m, int n)
/* Switch back */
__raw_writel(ccsr & ~0x1, &mxc_ccm->ccsr);
break;
+#ifdef CONFIG_MX53
case PLL4_CLOCK:
/* Switch to pll4 bypass clock */
__raw_writel(ccsr | 0x20, &mxc_ccm->ccsr);
/* Switch back */
__raw_writel(ccsr & ~0x20, &mxc_ccm->ccsr);
break;
+#endif
default:
return -EINVAL;
}
static int config_nfc_clk(u32 nfc_clk)
{
- u32 reg;
u32 parent_rate = get_emi_slow_clk();
u32 div = parent_rate / nfc_clk;
div++;
if (parent_rate / div > NFC_CLK_MAX)
div++;
- reg = __raw_readl(&mxc_ccm->cbcdr);
- reg &= ~MXC_CCM_CBCDR_NFC_PODF_MASK;
- reg |= (div - 1) << MXC_CCM_CBCDR_NFC_PODF_OFFSET;
- __raw_writel(reg, &mxc_ccm->cbcdr);
- while (__raw_readl(&mxc_ccm->cdhipr) != 0)
+ clrsetbits_le32(&mxc_ccm->cbcdr,
+ MXC_CCM_CBCDR_NFC_PODF_MASK,
+ MXC_CCM_CBCDR_NFC_PODF(div - 1));
+ while (readl(&mxc_ccm->cdhipr) != 0)
;
return 0;
}
memset(&pll_param, 0, sizeof(struct pll_param));
- if (__raw_readl(&mxc_ccm->cbcdr) & MXC_CCM_CBCDR_PERIPH_CLK_SEL) {
+ if (readl(&mxc_ccm->cbcdr) & MXC_CCM_CBCDR_PERIPH_CLK_SEL) {
ret = calc_pll_params(ref, freq, &pll_param);
if (ret != 0) {
- printf("Error: Can't find pll parameters for %u.%03uMHz ref %u.%03uMHz\n",
- freq / 1000000, freq / 1000 % 1000,
- ref / 1000000, ref / 1000 % 1000);
+ printf("Error:Can't find pll parameters: %d\n",
+ ret);
return ret;
}
- switch ((__raw_readl(&mxc_ccm->cbcmr) & \
- MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >> \
- MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) {
+ switch (MXC_CCM_CBCMR_PERIPH_CLK_SEL_RD(
+ readl(&mxc_ccm->cbcmr))) {
case 0:
return config_pll_clk(PLL1_CLOCK, &pll_param);
-
+ break;
case 1:
return config_pll_clk(PLL3_CLOCK, &pll_param);
-
+ break;
default:
return -EINVAL;
}
{
u32 clk_src;
s32 shift = 0, clk_sel, div = 1;
- u32 cbcmr = __raw_readl(&mxc_ccm->cbcmr);
- u32 cbcdr = __raw_readl(&mxc_ccm->cbcdr);
+ u32 cbcmr = readl(&mxc_ccm->cbcmr);
if (emi_clk > MAX_DDR_CLK) {
- printf("Warning: DDR clock should not exceed %d MHz\n",
+ printf("Warning:DDR clock should not exceed %d MHz\n",
MAX_DDR_CLK / SZ_DEC_1M);
emi_clk = MAX_DDR_CLK;
}
clk_src = get_periph_clk();
/* Find DDR clock input */
- clk_sel = (cbcmr >> 10) & 0x3;
-#ifdef CONFIG_MX51
- if (cbcdr & MXC_CCM_CBCDR_DDR_HIFREQ_SEL) {
- clk_src = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
- clk_sel = 4;
- }
-#endif
+ clk_sel = MXC_CCM_CBCMR_DDR_CLK_SEL_RD(cbcmr);
switch (clk_sel) {
case 0:
shift = 16;
case 3:
shift = 10;
break;
- case 4:
- shift = 27;
- break;
default:
return -EINVAL;
}
div = clk_src / emi_clk;
else
div = (clk_src / emi_clk) + 1;
- if (--div > 7)
- div = 7;
+ if (div > 8)
+ div = 8;
- cbcdr &= ~(0x7 << shift);
- cbcdr |= div << shift;
- __raw_writel(cbcdr, &mxc_ccm->cbcdr);
- while (__raw_readl(&mxc_ccm->cdhipr) != 0)
+ clrsetbits_le32(&mxc_ccm->cbcdr, 0x7 << shift, (div - 1) << shift);
+ while (readl(&mxc_ccm->cdhipr) != 0)
;
- __raw_writel(0x0, &mxc_ccm->ccdr);
+ writel(0x0, &mxc_ccm->ccdr);
return 0;
}
return -EINVAL;
break;
default:
- printf("Warning: Unsupported or invalid clock type: %d\n",
- clk);
- return -EINVAL;
+ printf("Warning:Unsupported or invalid clock type\n");
}
return 0;
*/
void mxc_set_sata_internal_clock(void)
{
- u32 *tmp_base = (u32 *)(IIM_BASE_ADDR + 0x180c);
+ u32 *tmp_base =
+ (u32 *)(IIM_BASE_ADDR + 0x180c);
- set_usb_phy1_clk();
+ set_usb_phy_clk();
- writel((readl(tmp_base) & ~0x7) | 0x4, tmp_base);
+ clrsetbits_le32(tmp_base, 0x6, 0x4);
}
#endif
{
u32 freq;
- freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_SYS_MX5_HCLK);
+ freq = decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK);
printf("PLL1 %8d MHz\n", freq / 1000000);
- freq = decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_SYS_MX5_HCLK);
+ freq = decode_pll(mxc_plls[PLL2_CLOCK], MXC_HCLK);
printf("PLL2 %8d MHz\n", freq / 1000000);
- freq = decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_SYS_MX5_HCLK);
+ freq = decode_pll(mxc_plls[PLL3_CLOCK], MXC_HCLK);
printf("PLL3 %8d MHz\n", freq / 1000000);
#ifdef CONFIG_MX53
- freq = decode_pll(mxc_plls[PLL4_CLOCK], CONFIG_SYS_MX5_HCLK);
+ freq = decode_pll(mxc_plls[PLL4_CLOCK], MXC_HCLK);
printf("PLL4 %8d MHz\n", freq / 1000000);
#endif
printf("IPG %8d kHz\n", mxc_get_clock(MXC_IPG_CLK) / 1000);
printf("IPG PERCLK %8d kHz\n", mxc_get_clock(MXC_IPG_PERCLK) / 1000);
printf("DDR %8d kHz\n", mxc_get_clock(MXC_DDR_CLK) / 1000);
-
+#ifdef CONFIG_MXC_SPI
+ printf("CSPI %8d kHz\n", mxc_get_clock(MXC_CSPI_CLK) / 1000);
+#endif
return 0;
}
projects / karo-tx-uboot.git / blobdiff