+
+ clrsetbits_le32(&clk->src_cpu, clr_src_cpu, set);
+
+ /* Wait for mux change */
+ while (readl(&clk->mux_stat_cpu) & MUX_STAT_CPU_CHANGING)
+ continue;
+
+ /* Set APLL to 1000MHz */
+ clr_pll_con0 = SDIV(0x7) | PDIV(0x3f) | MDIV(0x3ff) | FSEL(0x1);
+ set = SDIV(0) | PDIV(3) | MDIV(125) | FSEL(1);
+
+ clrsetbits_le32(&clk->apll_con0, clr_pll_con0, set);
+
+ /* Wait for PLL to be locked */
+ while (!(readl(&clk->apll_con0) & PLL_LOCKED_BIT))
+ continue;
+
+ /* Set CMU_CPU clocks src to APLL */
+ set = MUX_APLL_SEL(1) | MUX_CORE_SEL(0) | MUX_HPM_SEL(0) |
+ MUX_MPLL_USER_SEL_C(1);
+ clrsetbits_le32(&clk->src_cpu, clr_src_cpu, set);
+
+ /* Wait for mux change */
+ while (readl(&clk->mux_stat_cpu) & MUX_STAT_CPU_CHANGING)
+ continue;
+
+ set = CORE_RATIO(0) | COREM0_RATIO(2) | COREM1_RATIO(5) |
+ PERIPH_RATIO(0) | ATB_RATIO(4) | PCLK_DBG_RATIO(1) |
+ APLL_RATIO(0) | CORE2_RATIO(0);
+ /*
+ * Set dividers for MOUTcore = 1000 MHz
+ * coreout = MOUT / (ratio + 1) = 1000 MHz (0)
+ * corem0 = armclk / (ratio + 1) = 333 MHz (2)
+ * corem1 = armclk / (ratio + 1) = 166 MHz (5)
+ * periph = armclk / (ratio + 1) = 1000 MHz (0)
+ * atbout = MOUT / (ratio + 1) = 200 MHz (4)
+ * pclkdbgout = atbout / (ratio + 1) = 100 MHz (1)
+ * sclkapll = MOUTapll / (ratio + 1) = 1000 MHz (0)
+ * core2out = core_out / (ratio + 1) = 1000 MHz (0) (armclk)
+ */
+ clr = CORE_RATIO(0x7) | COREM0_RATIO(0x7) | COREM1_RATIO(0x7) |
+ PERIPH_RATIO(0x7) | ATB_RATIO(0x7) | PCLK_DBG_RATIO(0x7) |
+ APLL_RATIO(0x7) | CORE2_RATIO(0x7);
+
+ clrsetbits_le32(&clk->div_cpu0, clr, set);
+
+ /* Wait for divider ready status */
+ while (readl(&clk->div_stat_cpu0) & DIV_STAT_CPU0_CHANGING)
+ continue;
+
+ /*
+ * For MOUThpm = 1000 MHz (MOUTapll)
+ * doutcopy = MOUThpm / (ratio + 1) = 200 (4)
+ * sclkhpm = doutcopy / (ratio + 1) = 200 (4)
+ * cores_out = armclk / (ratio + 1) = 1000 (0)
+ */
+ clr = COPY_RATIO(0x7) | HPM_RATIO(0x7) | CORES_RATIO(0x7);
+ set = COPY_RATIO(4) | HPM_RATIO(4) | CORES_RATIO(0);
+
+ clrsetbits_le32(&clk->div_cpu1, clr, set);
+
+ /* Wait for divider ready status */
+ while (readl(&clk->div_stat_cpu1) & DIV_STAT_CPU1_CHANGING)
+ continue;
+
+ /*
+ * Set CMU_DMC clocks src to APLL
+ * Bit values: 0 ; 1
+ * MUX_C2C_SEL: SCLKMPLL ; SCLKAPLL
+ * MUX_DMC_BUS_SEL: SCLKMPLL ; SCLKAPLL
+ * MUX_DPHY_SEL: SCLKMPLL ; SCLKAPLL
+ * MUX_MPLL_SEL: FINPLL ; MOUT_MPLL_FOUT
+ * MUX_PWI_SEL: 0110 (MPLL); 0111 (EPLL); 1000 (VPLL); 0(XXTI)
+ * MUX_G2D_ACP0_SEL: SCLKMPLL ; SCLKAPLL
+ * MUX_G2D_ACP1_SEL: SCLKEPLL ; SCLKVPLL
+ * MUX_G2D_ACP_SEL: OUT_ACP0 ; OUT_ACP1
+ */
+ clr_src_dmc = MUX_C2C_SEL(0x1) | MUX_DMC_BUS_SEL(0x1) |
+ MUX_DPHY_SEL(0x1) | MUX_MPLL_SEL(0x1) |
+ MUX_PWI_SEL(0xf) | MUX_G2D_ACP0_SEL(0x1) |
+ MUX_G2D_ACP1_SEL(0x1) | MUX_G2D_ACP_SEL(0x1);
+ set = MUX_C2C_SEL(1) | MUX_DMC_BUS_SEL(1) | MUX_DPHY_SEL(1) |
+ MUX_MPLL_SEL(0) | MUX_PWI_SEL(0) | MUX_G2D_ACP0_SEL(1) |
+ MUX_G2D_ACP1_SEL(1) | MUX_G2D_ACP_SEL(1);
+
+ clrsetbits_le32(&clk->src_dmc, clr_src_dmc, set);
+
+ /* Wait for mux change */
+ while (readl(&clk->mux_stat_dmc) & MUX_STAT_DMC_CHANGING)
+ continue;
+
+ /* Set MPLL to 800MHz */
+ set = SDIV(0) | PDIV(3) | MDIV(100) | FSEL(0) | PLL_ENABLE(1);
+
+ clrsetbits_le32(&clk->mpll_con0, clr_pll_con0, set);
+
+ /* Wait for PLL to be locked */
+ while (!(readl(&clk->mpll_con0) & PLL_LOCKED_BIT))
+ continue;
+
+ /* Switch back CMU_DMC mux */
+ set = MUX_C2C_SEL(0) | MUX_DMC_BUS_SEL(0) | MUX_DPHY_SEL(0) |
+ MUX_MPLL_SEL(1) | MUX_PWI_SEL(8) | MUX_G2D_ACP0_SEL(0) |
+ MUX_G2D_ACP1_SEL(0) | MUX_G2D_ACP_SEL(0);
+
+ clrsetbits_le32(&clk->src_dmc, clr_src_dmc, set);
+
+ /* Wait for mux change */
+ while (readl(&clk->mux_stat_dmc) & MUX_STAT_DMC_CHANGING)
+ continue;
+
+ /* CLK_DIV_DMC0 */
+ clr = ACP_RATIO(0x7) | ACP_PCLK_RATIO(0x7) | DPHY_RATIO(0x7) |
+ DMC_RATIO(0x7) | DMCD_RATIO(0x7) | DMCP_RATIO(0x7);
+ /*
+ * For:
+ * MOUTdmc = 800 MHz
+ * MOUTdphy = 800 MHz
+ *
+ * aclk_acp = MOUTdmc / (ratio + 1) = 200 (3)
+ * pclk_acp = aclk_acp / (ratio + 1) = 100 (1)
+ * sclk_dphy = MOUTdphy / (ratio + 1) = 400 (1)
+ * sclk_dmc = MOUTdmc / (ratio + 1) = 400 (1)
+ * aclk_dmcd = sclk_dmc / (ratio + 1) = 200 (1)
+ * aclk_dmcp = aclk_dmcd / (ratio + 1) = 100 (1)
+ */
+ set = ACP_RATIO(3) | ACP_PCLK_RATIO(1) | DPHY_RATIO(1) |
+ DMC_RATIO(1) | DMCD_RATIO(1) | DMCP_RATIO(1);
+
+ clrsetbits_le32(&clk->div_dmc0, clr, set);
+
+ /* Wait for divider ready status */
+ while (readl(&clk->div_stat_dmc0) & DIV_STAT_DMC0_CHANGING)
+ continue;
+
+ /* CLK_DIV_DMC1 */
+ clr = G2D_ACP_RATIO(0xf) | C2C_RATIO(0x7) | PWI_RATIO(0xf) |
+ C2C_ACLK_RATIO(0x7) | DVSEM_RATIO(0x7f) | DPM_RATIO(0x7f);
+ /*
+ * For:
+ * MOUTg2d = 800 MHz
+ * MOUTc2c = 800 Mhz
+ * MOUTpwi = 108 MHz
+ *
+ * sclk_g2d_acp = MOUTg2d / (ratio + 1) = 400 (1)
+ * sclk_c2c = MOUTc2c / (ratio + 1) = 400 (1)
+ * aclk_c2c = sclk_c2c / (ratio + 1) = 200 (1)
+ * sclk_pwi = MOUTpwi / (ratio + 1) = 18 (5)
+ */
+ set = G2D_ACP_RATIO(1) | C2C_RATIO(1) | PWI_RATIO(5) |
+ C2C_ACLK_RATIO(1) | DVSEM_RATIO(1) | DPM_RATIO(1);
+
+ clrsetbits_le32(&clk->div_dmc1, clr, set);
+
+ /* Wait for divider ready status */
+ while (readl(&clk->div_stat_dmc1) & DIV_STAT_DMC1_CHANGING)
+ continue;
+
+ /* CLK_SRC_PERIL0 */
+ clr = UART0_SEL(0xf) | UART1_SEL(0xf) | UART2_SEL(0xf) |
+ UART3_SEL(0xf) | UART4_SEL(0xf);
+ /*
+ * Set CLK_SRC_PERIL0 clocks src to MPLL
+ * src values: 0(XXTI); 1(XusbXTI); 2(SCLK_HDMI24M); 3(SCLK_USBPHY0);
+ * 5(SCLK_HDMIPHY); 6(SCLK_MPLL_USER_T); 7(SCLK_EPLL);
+ * 8(SCLK_VPLL)
+ *
+ * Set all to SCLK_MPLL_USER_T
+ */
+ set = UART0_SEL(6) | UART1_SEL(6) | UART2_SEL(6) | UART3_SEL(6) |
+ UART4_SEL(6);
+
+ clrsetbits_le32(&clk->src_peril0, clr, set);
+
+ /* CLK_DIV_PERIL0 */
+ clr = UART0_RATIO(0xf) | UART1_RATIO(0xf) | UART2_RATIO(0xf) |
+ UART3_RATIO(0xf) | UART4_RATIO(0xf);
+ /*
+ * For MOUTuart0-4: 800MHz
+ *
+ * SCLK_UARTx = MOUTuartX / (ratio + 1) = 100 (7)
+ */
+ set = UART0_RATIO(7) | UART1_RATIO(7) | UART2_RATIO(7) |
+ UART3_RATIO(7) | UART4_RATIO(7);
+
+ clrsetbits_le32(&clk->div_peril0, clr, set);
+
+ while (readl(&clk->div_stat_peril0) & DIV_STAT_PERIL0_CHANGING)
+ continue;
+
+ /* CLK_DIV_FSYS1 */
+ clr = MMC0_RATIO(0xf) | MMC0_PRE_RATIO(0xff) | MMC1_RATIO(0xf) |
+ MMC1_PRE_RATIO(0xff);
+ /*
+ * For MOUTmmc0-3 = 800 MHz (MPLL)
+ *
+ * DOUTmmc1 = MOUTmmc1 / (ratio + 1) = 100 (7)
+ * sclk_mmc1 = DOUTmmc1 / (ratio + 1) = 50 (1)
+ * DOUTmmc0 = MOUTmmc0 / (ratio + 1) = 100 (7)
+ * sclk_mmc0 = DOUTmmc0 / (ratio + 1) = 50 (1)
+ */
+ set = MMC0_RATIO(7) | MMC0_PRE_RATIO(1) | MMC1_RATIO(7) |
+ MMC1_PRE_RATIO(1);
+
+ clrsetbits_le32(&clk->div_fsys1, clr, set);
+
+ /* Wait for divider ready status */
+ while (readl(&clk->div_stat_fsys1) & DIV_STAT_FSYS1_CHANGING)
+ continue;
+
+ /* CLK_DIV_FSYS2 */
+ clr = MMC2_RATIO(0xf) | MMC2_PRE_RATIO(0xff) | MMC3_RATIO(0xf) |
+ MMC3_PRE_RATIO(0xff);
+ /*
+ * For MOUTmmc0-3 = 800 MHz (MPLL)
+ *
+ * DOUTmmc3 = MOUTmmc3 / (ratio + 1) = 100 (7)
+ * sclk_mmc3 = DOUTmmc3 / (ratio + 1) = 50 (1)
+ * DOUTmmc2 = MOUTmmc2 / (ratio + 1) = 100 (7)
+ * sclk_mmc2 = DOUTmmc2 / (ratio + 1) = 50 (1)
+ */
+ set = MMC2_RATIO(7) | MMC2_PRE_RATIO(1) | MMC3_RATIO(7) |
+ MMC3_PRE_RATIO(1);
+
+ clrsetbits_le32(&clk->div_fsys2, clr, set);
+
+ /* Wait for divider ready status */
+ while (readl(&clk->div_stat_fsys2) & DIV_STAT_FSYS2_CHANGING)
+ continue;
+
+ /* CLK_DIV_FSYS3 */
+ clr = MMC4_RATIO(0xf) | MMC4_PRE_RATIO(0xff);
+ /*
+ * For MOUTmmc4 = 800 MHz (MPLL)
+ *
+ * DOUTmmc4 = MOUTmmc4 / (ratio + 1) = 100 (7)
+ * sclk_mmc4 = DOUTmmc4 / (ratio + 1) = 100 (0)
+ */
+ set = MMC4_RATIO(7) | MMC4_PRE_RATIO(0);
+
+ clrsetbits_le32(&clk->div_fsys3, clr, set);
+
+ /* Wait for divider ready status */
+ while (readl(&clk->div_stat_fsys3) & DIV_STAT_FSYS3_CHANGING)
+ continue;
+
+ return;
+}
+
+static void board_gpio_init(void)
+{
+ /* Set GPA1 pin 1 to HI - enable XCL205 output */
+ gpio_set_pull(EXYNOS4X12_GPIO_A11, S5P_GPIO_PULL_UP);
+ gpio_set_drv(EXYNOS4X12_GPIO_A11, S5P_GPIO_DRV_4X);
+ gpio_direction_output(EXYNOS4X12_GPIO_A11, 1);
+
+ gpio_cfg_pin(EXYNOS4X12_GPIO_K12, S5P_GPIO_FUNC(0x1));
+ gpio_set_pull(EXYNOS4X12_GPIO_K12, S5P_GPIO_PULL_NONE);
+ gpio_set_drv(EXYNOS4X12_GPIO_K12, S5P_GPIO_DRV_4X);
+
+ /* Enable FAN (Odroid U3) */
+ gpio_set_pull(EXYNOS4X12_GPIO_D00, S5P_GPIO_PULL_UP);
+ gpio_set_drv(EXYNOS4X12_GPIO_D00, S5P_GPIO_DRV_4X);
+ gpio_direction_output(EXYNOS4X12_GPIO_D00, 1);
+}
+
+static int pmic_init_max77686(void)
+{
+ struct pmic *p = pmic_get("MAX77686_PMIC");
+
+ if (pmic_probe(p))
+ return -ENODEV;
+
+ /* Set LDO Voltage */
+ max77686_set_ldo_voltage(p, 20, 1800000); /* LDO20 eMMC */
+ max77686_set_ldo_voltage(p, 21, 2800000); /* LDO21 SD */
+ max77686_set_ldo_voltage(p, 22, 2800000); /* LDO22 eMMC */
