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-rw-r--r--arch/arm/include/asm/arch-imx8m/clock.h2
-rw-r--r--arch/arm/include/asm/arch-imx8m/clock_imx8mm.h387
-rw-r--r--arch/arm/mach-imx/imx8m/Makefile1
-rw-r--r--arch/arm/mach-imx/imx8m/clock_imx8mm.c306
-rw-r--r--arch/arm/mach-imx/imx8m/clock_slice.c63
5 files changed, 759 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-imx8m/clock.h b/arch/arm/include/asm/arch-imx8m/clock.h
index 80245a2f2d..dded6e0797 100644
--- a/arch/arm/include/asm/arch-imx8m/clock.h
+++ b/arch/arm/include/asm/arch-imx8m/clock.h
@@ -9,6 +9,8 @@
#ifdef CONFIG_IMX8MQ
#include <asm/arch/clock_imx8mq.h>
+#elif defined(CONFIG_IMX8MM)
+#include <asm/arch/clock_imx8mm.h>
#else
#error "Error no clock.h"
#endif
diff --git a/arch/arm/include/asm/arch-imx8m/clock_imx8mm.h b/arch/arm/include/asm/arch-imx8m/clock_imx8mm.h
new file mode 100644
index 0000000000..305514a4ec
--- /dev/null
+++ b/arch/arm/include/asm/arch-imx8m/clock_imx8mm.h
@@ -0,0 +1,387 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2018-2019 NXP
+ *
+ * Peng Fan <peng.fan@nxp.com>
+ */
+
+#ifndef _ASM_ARCH_IMX8MM_CLOCK_H
+#define _ASM_ARCH_IMX8MM_CLOCK_H
+
+#define PLL_1443X_RATE(_rate, _m, _p, _s, _k) \
+ { \
+ .rate = (_rate), \
+ .mdiv = (_m), \
+ .pdiv = (_p), \
+ .sdiv = (_s), \
+ .kdiv = (_k), \
+ }
+
+#define LOCK_STATUS BIT(31)
+#define LOCK_SEL_MASK BIT(29)
+#define CLKE_MASK BIT(11)
+#define RST_MASK BIT(9)
+#define BYPASS_MASK BIT(4)
+#define MDIV_SHIFT 12
+#define MDIV_MASK GENMASK(21, 12)
+#define PDIV_SHIFT 4
+#define PDIV_MASK GENMASK(9, 4)
+#define SDIV_SHIFT 0
+#define SDIV_MASK GENMASK(2, 0)
+#define KDIV_SHIFT 0
+#define KDIV_MASK GENMASK(15, 0)
+
+struct imx_int_pll_rate_table {
+ u32 rate;
+ int mdiv;
+ int pdiv;
+ int sdiv;
+ int kdiv;
+};
+
+enum pll_clocks {
+ ANATOP_ARM_PLL,
+ ANATOP_VPU_PLL,
+ ANATOP_GPU_PLL,
+ ANATOP_SYSTEM_PLL1,
+ ANATOP_SYSTEM_PLL2,
+ ANATOP_SYSTEM_PLL3,
+ ANATOP_AUDIO_PLL1,
+ ANATOP_AUDIO_PLL2,
+ ANATOP_VIDEO_PLL,
+ ANATOP_DRAM_PLL,
+};
+
+enum clk_root_index {
+ ARM_A53_CLK_ROOT = 0,
+ ARM_M4_CLK_ROOT = 1,
+ VPU_A53_CLK_ROOT = 2,
+ GPU3D_CLK_ROOT = 3,
+ GPU2D_CLK_ROOT = 4,
+ MAIN_AXI_CLK_ROOT = 16,
+ ENET_AXI_CLK_ROOT = 17,
+ NAND_USDHC_BUS_CLK_ROOT = 18,
+ VPU_BUS_CLK_ROOT = 19,
+ DISPLAY_AXI_CLK_ROOT = 20,
+ DISPLAY_APB_CLK_ROOT = 21,
+ DISPLAY_RTRM_CLK_ROOT = 22,
+ USB_BUS_CLK_ROOT = 23,
+ GPU_AXI_CLK_ROOT = 24,
+ GPU_AHB_CLK_ROOT = 25,
+ NOC_CLK_ROOT = 26,
+ NOC_APB_CLK_ROOT = 27,
+ AHB_CLK_ROOT = 32,
+ IPG_CLK_ROOT = 33,
+ AUDIO_AHB_CLK_ROOT = 34,
+ MIPI_DSI_ESC_RX_CLK_ROOT = 36,
+ DRAM_SEL_CFG = 48,
+ CORE_SEL_CFG = 49,
+ DRAM_ALT_CLK_ROOT = 64,
+ DRAM_APB_CLK_ROOT = 65,
+ VPU_G1_CLK_ROOT = 66,
+ VPU_G2_CLK_ROOT = 67,
+ DISPLAY_DTRC_CLK_ROOT = 68,
+ DISPLAY_DC8000_CLK_ROOT = 69,
+ PCIE_CTRL_CLK_ROOT = 70,
+ PCIE_PHY_CLK_ROOT = 71,
+ PCIE_AUX_CLK_ROOT = 72,
+ DC_PIXEL_CLK_ROOT = 73,
+ LCDIF_PIXEL_CLK_ROOT = 74,
+ SAI1_CLK_ROOT = 75,
+ SAI2_CLK_ROOT = 76,
+ SAI3_CLK_ROOT = 77,
+ SAI4_CLK_ROOT = 78,
+ SAI5_CLK_ROOT = 79,
+ SAI6_CLK_ROOT = 80,
+ SPDIF1_CLK_ROOT = 81,
+ SPDIF2_CLK_ROOT = 82,
+ ENET_REF_CLK_ROOT = 83,
+ ENET_TIMER_CLK_ROOT = 84,
+ ENET_PHY_REF_CLK_ROOT = 85,
+ NAND_CLK_ROOT = 86,
+ QSPI_CLK_ROOT = 87,
+ USDHC1_CLK_ROOT = 88,
+ USDHC2_CLK_ROOT = 89,
+ I2C1_CLK_ROOT = 90,
+ I2C2_CLK_ROOT = 91,
+ I2C3_CLK_ROOT = 92,
+ I2C4_CLK_ROOT = 93,
+ UART1_CLK_ROOT = 94,
+ UART2_CLK_ROOT = 95,
+ UART3_CLK_ROOT = 96,
+ UART4_CLK_ROOT = 97,
+ USB_CORE_REF_CLK_ROOT = 98,
+ USB_PHY_REF_CLK_ROOT = 99,
+ GIC_CLK_ROOT = 100,
+ ECSPI1_CLK_ROOT = 101,
+ ECSPI2_CLK_ROOT = 102,
+ PWM1_CLK_ROOT = 103,
+ PWM2_CLK_ROOT = 104,
+ PWM3_CLK_ROOT = 105,
+ PWM4_CLK_ROOT = 106,
+ GPT1_CLK_ROOT = 107,
+ GPT2_CLK_ROOT = 108,
+ GPT3_CLK_ROOT = 109,
+ GPT4_CLK_ROOT = 110,
+ GPT5_CLK_ROOT = 111,
+ GPT6_CLK_ROOT = 112,
+ TRACE_CLK_ROOT = 113,
+ WDOG_CLK_ROOT = 114,
+ WRCLK_CLK_ROOT = 115,
+ IPP_DO_CLKO1 = 116,
+ IPP_DO_CLKO2 = 117,
+ MIPI_DSI_CORE_CLK_ROOT = 118,
+ MIPI_DSI_PHY_REF_CLK_ROOT = 119,
+ MIPI_DSI_DBI_CLK_ROOT = 120,
+ USDHC3_CLK_ROOT = 121,
+ MIPI_CSI1_CORE_CLK_ROOT = 122,
+ MIPI_CSI1_PHY_REF_CLK_ROOT = 123,
+ MIPI_CSI1_ESC_CLK_ROOT = 124,
+ MIPI_CSI2_CORE_CLK_ROOT = 125,
+ MIPI_CSI2_PHY_REF_CLK_ROOT = 126,
+ MIPI_CSI2_ESC_CLK_ROOT = 127,
+ PCIE2_CTRL_CLK_ROOT = 128,
+ PCIE2_PHY_CLK_ROOT = 129,
+ PCIE2_AUX_CLK_ROOT = 130,
+ ECSPI3_CLK_ROOT = 131,
+ PDM_CLK_ROOT = 132,
+ VPU_H1_CLK_ROOT = 133,
+ CLK_ROOT_MAX,
+};
+
+enum clk_root_src {
+ OSC_24M_CLK,
+ ARM_PLL_CLK,
+ DRAM_PLL1_CLK,
+ VIDEO_PLL2_CLK,
+ VPU_PLL_CLK,
+ GPU_PLL_CLK,
+ SYSTEM_PLL1_800M_CLK,
+ SYSTEM_PLL1_400M_CLK,
+ SYSTEM_PLL1_266M_CLK,
+ SYSTEM_PLL1_200M_CLK,
+ SYSTEM_PLL1_160M_CLK,
+ SYSTEM_PLL1_133M_CLK,
+ SYSTEM_PLL1_100M_CLK,
+ SYSTEM_PLL1_80M_CLK,
+ SYSTEM_PLL1_40M_CLK,
+ SYSTEM_PLL2_1000M_CLK,
+ SYSTEM_PLL2_500M_CLK,
+ SYSTEM_PLL2_333M_CLK,
+ SYSTEM_PLL2_250M_CLK,
+ SYSTEM_PLL2_200M_CLK,
+ SYSTEM_PLL2_166M_CLK,
+ SYSTEM_PLL2_125M_CLK,
+ SYSTEM_PLL2_100M_CLK,
+ SYSTEM_PLL2_50M_CLK,
+ SYSTEM_PLL3_CLK,
+ AUDIO_PLL1_CLK,
+ AUDIO_PLL2_CLK,
+ VIDEO_PLL_CLK,
+ OSC_32K_CLK,
+ EXT_CLK_1,
+ EXT_CLK_2,
+ EXT_CLK_3,
+ EXT_CLK_4,
+ OSC_HDMI_CLK
+};
+
+enum clk_ccgr_index {
+ CCGR_DVFS = 0,
+ CCGR_ANAMIX = 1,
+ CCGR_CPU = 2,
+ CCGR_CSU = 3,
+ CCGR_DEBUG = 4,
+ CCGR_DDR1 = 5,
+ CCGR_ECSPI1 = 7,
+ CCGR_ECSPI2 = 8,
+ CCGR_ECSPI3 = 9,
+ CCGR_ENET1 = 10,
+ CCGR_GPIO1 = 11,
+ CCGR_GPIO2 = 12,
+ CCGR_GPIO3 = 13,
+ CCGR_GPIO4 = 14,
+ CCGR_GPIO5 = 15,
+ CCGR_GPT1 = 16,
+ CCGR_GPT2 = 17,
+ CCGR_GPT3 = 18,
+ CCGR_GPT4 = 19,
+ CCGR_GPT5 = 20,
+ CCGR_GPT6 = 21,
+ CCGR_HS = 22,
+ CCGR_I2C1 = 23,
+ CCGR_I2C2 = 24,
+ CCGR_I2C3 = 25,
+ CCGR_I2C4 = 26,
+ CCGR_IOMUX = 27,
+ CCGR_IOMUX1 = 28,
+ CCGR_IOMUX2 = 29,
+ CCGR_IOMUX3 = 30,
+ CCGR_IOMUX4 = 31,
+ CCGR_SNVSMIX_IPG_CLK = 32,
+ CCGR_MU = 33,
+ CCGR_OCOTP = 34,
+ CCGR_OCRAM = 35,
+ CCGR_OCRAM_S = 36,
+ CCGR_PCIE = 37,
+ CCGR_PERFMON1 = 38,
+ CCGR_PERFMON2 = 39,
+ CCGR_PWM1 = 40,
+ CCGR_PWM2 = 41,
+ CCGR_PWM3 = 42,
+ CCGR_PWM4 = 43,
+ CCGR_QOS = 44,
+ CCGR_QOS_DISPMIX = 45,
+ CCGR_QOS_ETHENET = 46,
+ CCGR_QSPI = 47,
+ CCGR_RAWNAND = 48,
+ CCGR_RDC = 49,
+ CCGR_ROM = 50,
+ CCGR_SAI1 = 51,
+ CCGR_SAI2 = 52,
+ CCGR_SAI3 = 53,
+ CCGR_SAI4 = 54,
+ CCGR_SAI5 = 55,
+ CCGR_SAI6 = 56,
+ CCGR_SCTR = 57,
+ CCGR_SDMA1 = 58,
+ CCGR_SDMA2 = 59,
+ CCGR_SEC_DEBUG = 60,
+ CCGR_SEMA1 = 61,
+ CCGR_SEMA2 = 62,
+ CCGR_SIM_DISPLAY = 63,
+ CCGR_SIM_ENET = 64,
+ CCGR_SIM_M = 65,
+ CCGR_SIM_MAIN = 66,
+ CCGR_SIM_S = 67,
+ CCGR_SIM_WAKEUP = 68,
+ CCGR_SIM_HSIO = 69,
+ CCGR_SIM_VPU = 70,
+ CCGR_SNVS = 71,
+ CCGR_TRACE = 72,
+ CCGR_UART1 = 73,
+ CCGR_UART2 = 74,
+ CCGR_UART3 = 75,
+ CCGR_UART4 = 76,
+ CCGR_USB_MSCALE_PL301 = 77,
+ CCGR_GPU3D = 79,
+ CCGR_USDHC1 = 81,
+ CCGR_USDHC2 = 82,
+ CCGR_WDOG1 = 83,
+ CCGR_WDOG2 = 84,
+ CCGR_WDOG3 = 85,
+ CCGR_VPUG1 = 86,
+ CCGR_GPU_BUS = 87,
+ CCGR_VPUH1 = 89,
+ CCGR_VPUG2 = 90,
+ CCGR_PDM = 91,
+ CCGR_GIC = 92,
+ CCGR_DISPMIX = 93,
+ CCGR_USDHC3 = 94,
+ CCGR_SDMA3 = 95,
+ CCGR_XTAL = 96,
+ CCGR_PLL = 97,
+ CCGR_TEMP_SENSOR = 98,
+ CCGR_VPUMIX_BUS = 99,
+ CCGR_GPU2D = 102,
+ CCGR_MAX
+};
+
+enum clk_src_index {
+ CLK_SRC_CKIL_SYNC_REQ = 0,
+ CLK_SRC_ARM_PLL_EN = 1,
+ CLK_SRC_GPU_PLL_EN = 2,
+ CLK_SRC_VPU_PLL_EN = 3,
+ CLK_SRC_DRAM_PLL_EN = 4,
+ CLK_SRC_SYSTEM_PLL1_EN = 5,
+ CLK_SRC_SYSTEM_PLL2_EN = 6,
+ CLK_SRC_SYSTEM_PLL3_EN = 7,
+ CLK_SRC_AUDIO_PLL1_EN = 8,
+ CLK_SRC_AUDIO_PLL2_EN = 9,
+ CLK_SRC_VIDEO_PLL1_EN = 10,
+ CLK_SRC_RESERVED = 11,
+ CLK_SRC_ARM_PLL = 12,
+ CLK_SRC_GPU_PLL = 13,
+ CLK_SRC_VPU_PLL = 14,
+ CLK_SRC_DRAM_PLL = 15,
+ CLK_SRC_SYSTEM_PLL1_800M = 16,
+ CLK_SRC_SYSTEM_PLL1_400M = 17,
+ CLK_SRC_SYSTEM_PLL1_266M = 18,
+ CLK_SRC_SYSTEM_PLL1_200M = 19,
+ CLK_SRC_SYSTEM_PLL1_160M = 20,
+ CLK_SRC_SYSTEM_PLL1_133M = 21,
+ CLK_SRC_SYSTEM_PLL1_100M = 22,
+ CLK_SRC_SYSTEM_PLL1_80M = 23,
+ CLK_SRC_SYSTEM_PLL1_40M = 24,
+ CLK_SRC_SYSTEM_PLL2_1000M = 25,
+ CLK_SRC_SYSTEM_PLL2_500M = 26,
+ CLK_SRC_SYSTEM_PLL2_333M = 27,
+ CLK_SRC_SYSTEM_PLL2_250M = 28,
+ CLK_SRC_SYSTEM_PLL2_200M = 29,
+ CLK_SRC_SYSTEM_PLL2_166M = 30,
+ CLK_SRC_SYSTEM_PLL2_125M = 31,
+ CLK_SRC_SYSTEM_PLL2_100M = 32,
+ CLK_SRC_SYSTEM_PLL2_50M = 33,
+ CLK_SRC_SYSTEM_PLL3 = 34,
+ CLK_SRC_AUDIO_PLL1 = 35,
+ CLK_SRC_AUDIO_PLL2 = 36,
+ CLK_SRC_VIDEO_PLL1 = 37,
+};
+
+#define INTPLL_LOCK_MASK BIT(31)
+#define INTPLL_LOCK_SEL_MASK BIT(29)
+#define INTPLL_EXT_BYPASS_MASK BIT(28)
+#define INTPLL_DIV20_CLKE_MASK BIT(27)
+#define INTPLL_DIV20_CLKE_OVERRIDE_MASK BIT(26)
+#define INTPLL_DIV10_CLKE_MASK BIT(25)
+#define INTPLL_DIV10_CLKE_OVERRIDE_MASK BIT(24)
+#define INTPLL_DIV8_CLKE_MASK BIT(23)
+#define INTPLL_DIV8_CLKE_OVERRIDE_MASK BIT(22)
+#define INTPLL_DIV6_CLKE_MASK BIT(21)
+#define INTPLL_DIV6_CLKE_OVERRIDE_MASK BIT(20)
+#define INTPLL_DIV5_CLKE_MASK BIT(19)
+#define INTPLL_DIV5_CLKE_OVERRIDE_MASK BIT(18)
+#define INTPLL_DIV4_CLKE_MASK BIT(17)
+#define INTPLL_DIV4_CLKE_OVERRIDE_MASK BIT(16)
+#define INTPLL_DIV3_CLKE_MASK BIT(15)
+#define INTPLL_DIV3_CLKE_OVERRIDE_MASK BIT(14)
+#define INTPLL_DIV2_CLKE_MASK BIT(13)
+#define INTPLL_DIV2_CLKE_OVERRIDE_MASK BIT(12)
+#define INTPLL_CLKE_MASK BIT(11)
+#define INTPLL_CLKE_OVERRIDE_MASK BIT(10)
+#define INTPLL_RST_MASK BIT(9)
+#define INTPLL_RST_OVERRIDE_MASK BIT(8)
+#define INTPLL_BYPASS_MASK BIT(4)
+#define INTPLL_PAD_CLK_SEL_MASK GENMASK(3, 2)
+#define INTPLL_REF_CLK_SEL_MASK GENMASK(1, 0)
+
+#define INTPLL_MAIN_DIV_MASK GENMASK(21, 12)
+#define INTPLL_MAIN_DIV_VAL(n) ((n << 12) & GENMASK(21, 12))
+#define INTPLL_MAIN_DIV_SHIFT 12
+#define INTPLL_PRE_DIV_MASK GENMASK(9, 4)
+#define INTPLL_PRE_DIV_VAL(n) ((n << 4) & GENMASK(9, 4))
+#define INTPLL_PRE_DIV_SHIFT 4
+#define INTPLL_POST_DIV_MASK GENMASK(2, 0)
+#define INTPLL_POST_DIV_VAL(n) ((n << 0) & GENMASK(2, 0))
+#define INTPLL_POST_DIV_SHIFT 0
+
+#define INTPLL_LOCK_CON_DLY_MASK GENMASK(5, 4)
+#define INTPLL_LOCK_CON_DLY_SHIFT 4
+#define INTPLL_LOCK_CON_OUT_MASK GENMASK(3, 2)
+#define INTPLL_LOCK_CON_OUT_SHIFT 2
+#define INTPLL_LOCK_CON_IN_MASK GENMASK(1, 0)
+#define INTPLL_LOCK_CON_IN_SHIFT 0
+
+#define INTPLL_LRD_EN_MASK BIT(21)
+#define INTPLL_FOUT_MASK BIT(20)
+#define INTPLL_AFC_SEL_MASK BIT(19)
+#define INTPLL_PBIAS_CTRL_MASK BIT(18)
+#define INTPLL_PBIAS_CTRL_EN_MASK BIT(17)
+#define INTPLL_AFCINIT_SEL_MASK BIT(16)
+#define INTPLL_FSEL_MASK BIT(14)
+#define INTPLL_FEED_EN_MASK BIT(13)
+#define INTPLL_EXTAFC_MASK GENMASK(7, 3)
+#define INTPLL_AFC_EN_MASK BIT(2)
+#define INTPLL_ICP_MASK GENMASK(1, 0)
+
+#endif
diff --git a/arch/arm/mach-imx/imx8m/Makefile b/arch/arm/mach-imx/imx8m/Makefile
index 42a1544c6b..92184f3135 100644
--- a/arch/arm/mach-imx/imx8m/Makefile
+++ b/arch/arm/mach-imx/imx8m/Makefile
@@ -5,3 +5,4 @@
obj-y += lowlevel_init.o
obj-y += clock_slice.o soc.o
obj-$(CONFIG_IMX8MQ) += clock_imx8mq.o
+obj-$(CONFIG_IMX8MM) += clock_imx8mm.o
diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mm.c b/arch/arm/mach-imx/imx8m/clock_imx8mm.c
new file mode 100644
index 0000000000..ee44ba75fe
--- /dev/null
+++ b/arch/arm/mach-imx/imx8m/clock_imx8mm.c
@@ -0,0 +1,306 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018-2019 NXP
+ *
+ * Peng Fan <peng.fan@nxp.com>
+ */
+
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+#include <clk.h>
+#include <clk-uclass.h>
+#include <dt-bindings/clock/imx8mm-clock.h>
+#include <div64.h>
+#include <errno.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct anamix_pll *ana_pll = (struct anamix_pll *)ANATOP_BASE_ADDR;
+
+void enable_ocotp_clk(unsigned char enable)
+{
+ struct clk *clkp;
+ int ret;
+
+ ret = clk_get_by_id(IMX8MM_CLK_OCOTP_ROOT, &clkp);
+ if (ret) {
+ printf("%s: err: %d\n", __func__, ret);
+ return;
+ }
+
+ enable ? clk_enable(clkp) : clk_disable(clkp);
+}
+
+int enable_i2c_clk(unsigned char enable, unsigned i2c_num)
+{
+ struct clk *clkp;
+ int ret;
+
+ ret = clk_get_by_id(IMX8MM_CLK_I2C1_ROOT + i2c_num, &clkp);
+ if (ret) {
+ printf("%s: err: %d\n", __func__, ret);
+ return ret;
+ }
+
+ return enable ? clk_enable(clkp) : clk_disable(clkp);
+}
+
+#ifdef CONFIG_SPL_BUILD
+static struct imx_int_pll_rate_table imx8mm_fracpll_tbl[] = {
+ PLL_1443X_RATE(800000000U, 300, 9, 0, 0),
+ PLL_1443X_RATE(750000000U, 250, 8, 0, 0),
+ PLL_1443X_RATE(650000000U, 325, 3, 2, 0),
+ PLL_1443X_RATE(600000000U, 300, 3, 2, 0),
+ PLL_1443X_RATE(594000000U, 99, 1, 2, 0),
+ PLL_1443X_RATE(400000000U, 300, 9, 1, 0),
+ PLL_1443X_RATE(266666667U, 400, 9, 2, 0),
+ PLL_1443X_RATE(167000000U, 334, 3, 4, 0),
+ PLL_1443X_RATE(100000000U, 300, 9, 3, 0),
+};
+
+int fracpll_configure(enum pll_clocks pll, u32 freq)
+{
+ int i;
+ u32 tmp, div_val;
+ void *pll_base;
+ struct imx_int_pll_rate_table *rate;
+
+ for (i = 0; i < ARRAY_SIZE(imx8mm_fracpll_tbl); i++) {
+ if (freq == imx8mm_fracpll_tbl[i].rate)
+ break;
+ }
+
+ if (i == ARRAY_SIZE(imx8mm_fracpll_tbl)) {
+ printf("No matched freq table %u\n", freq);
+ return -EINVAL;
+ }
+
+ rate = &imx8mm_fracpll_tbl[i];
+
+ switch (pll) {
+ case ANATOP_DRAM_PLL:
+ setbits_le32(GPC_BASE_ADDR + 0xEC, 1 << 7);
+ setbits_le32(GPC_BASE_ADDR + 0xF8, 1 << 5);
+ writel(SRC_DDR1_ENABLE_MASK, SRC_BASE_ADDR + 0x1004);
+
+ pll_base = &ana_pll->dram_pll_gnrl_ctl;
+ break;
+ case ANATOP_VIDEO_PLL:
+ pll_base = &ana_pll->video_pll1_gnrl_ctl;
+ break;
+ default:
+ return 0;
+ }
+ /* Bypass clock and set lock to pll output lock */
+ tmp = readl(pll_base);
+ tmp |= BYPASS_MASK;
+ writel(tmp, pll_base);
+
+ /* Enable RST */
+ tmp &= ~RST_MASK;
+ writel(tmp, pll_base);
+
+ div_val = (rate->mdiv << MDIV_SHIFT) | (rate->pdiv << PDIV_SHIFT) |
+ (rate->sdiv << SDIV_SHIFT);
+ writel(div_val, pll_base + 4);
+ writel(rate->kdiv << KDIV_SHIFT, pll_base + 8);
+
+ __udelay(100);
+
+ /* Disable RST */
+ tmp |= RST_MASK;
+ writel(tmp, pll_base);
+
+ /* Wait Lock*/
+ while (!(readl(pll_base) & LOCK_STATUS))
+ ;
+
+ /* Bypass */
+ tmp &= ~BYPASS_MASK;
+ writel(tmp, pll_base);
+
+ return 0;
+}
+
+void dram_pll_init(ulong pll_val)
+{
+ fracpll_configure(ANATOP_DRAM_PLL, pll_val);
+}
+
+static struct dram_bypass_clk_setting imx8mm_dram_bypass_tbl[] = {
+ DRAM_BYPASS_ROOT_CONFIG(MHZ(100), 2, CLK_ROOT_PRE_DIV1, 2,
+ CLK_ROOT_PRE_DIV2),
+ DRAM_BYPASS_ROOT_CONFIG(MHZ(250), 3, CLK_ROOT_PRE_DIV2, 2,
+ CLK_ROOT_PRE_DIV2),
+ DRAM_BYPASS_ROOT_CONFIG(MHZ(400), 1, CLK_ROOT_PRE_DIV2, 3,
+ CLK_ROOT_PRE_DIV2),
+};
+
+void dram_enable_bypass(ulong clk_val)
+{
+ int i;
+ struct dram_bypass_clk_setting *config;
+
+ for (i = 0; i < ARRAY_SIZE(imx8mm_dram_bypass_tbl); i++) {
+ if (clk_val == imx8mm_dram_bypass_tbl[i].clk)
+ break;
+ }
+
+ if (i == ARRAY_SIZE(imx8mm_dram_bypass_tbl)) {
+ printf("No matched freq table %lu\n", clk_val);
+ return;
+ }
+
+ config = &imx8mm_dram_bypass_tbl[i];
+
+ clock_set_target_val(DRAM_ALT_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(config->alt_root_sel) |
+ CLK_ROOT_PRE_DIV(config->alt_pre_div));
+ clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(config->apb_root_sel) |
+ CLK_ROOT_PRE_DIV(config->apb_pre_div));
+ clock_set_target_val(DRAM_SEL_CFG, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(1));
+}
+
+void dram_disable_bypass(void)
+{
+ clock_set_target_val(DRAM_SEL_CFG, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(0));
+ clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(4) |
+ CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV5));
+}
+#endif
+
+void init_uart_clk(u32 index)
+{
+ /*
+ * set uart clock root
+ * 24M OSC
+ */
+ switch (index) {
+ case 0:
+ clock_enable(CCGR_UART1, 0);
+ clock_set_target_val(UART1_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(0));
+ clock_enable(CCGR_UART1, 1);
+ return;
+ case 1:
+ clock_enable(CCGR_UART2, 0);
+ clock_set_target_val(UART2_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(0));
+ clock_enable(CCGR_UART2, 1);
+ return;
+ case 2:
+ clock_enable(CCGR_UART3, 0);
+ clock_set_target_val(UART3_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(0));
+ clock_enable(CCGR_UART3, 1);
+ return;
+ case 3:
+ clock_enable(CCGR_UART4, 0);
+ clock_set_target_val(UART4_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(0));
+ clock_enable(CCGR_UART4, 1);
+ return;
+ default:
+ printf("Invalid uart index\n");
+ return;
+ }
+}
+
+void init_wdog_clk(void)
+{
+ clock_enable(CCGR_WDOG1, 0);
+ clock_enable(CCGR_WDOG2, 0);
+ clock_enable(CCGR_WDOG3, 0);
+ clock_set_target_val(WDOG_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(0));
+ clock_enable(CCGR_WDOG1, 1);
+ clock_enable(CCGR_WDOG2, 1);
+ clock_enable(CCGR_WDOG3, 1);
+}
+
+int clock_init(void)
+{
+ u32 val_cfg0;
+
+ /*
+ * The gate is not exported to clk tree, so configure them here.
+ * According to ANAMIX SPEC
+ * sys pll1 fixed at 800MHz
+ * sys pll2 fixed at 1GHz
+ * Here we only enable the outputs.
+ */
+ val_cfg0 = readl(&ana_pll->sys_pll1_gnrl_ctl);
+ val_cfg0 |= INTPLL_CLKE_MASK | INTPLL_DIV2_CLKE_MASK |
+ INTPLL_DIV3_CLKE_MASK | INTPLL_DIV4_CLKE_MASK |
+ INTPLL_DIV5_CLKE_MASK | INTPLL_DIV6_CLKE_MASK |
+ INTPLL_DIV8_CLKE_MASK | INTPLL_DIV10_CLKE_MASK |
+ INTPLL_DIV20_CLKE_MASK;
+ writel(val_cfg0, &ana_pll->sys_pll1_gnrl_ctl);
+
+ val_cfg0 = readl(&ana_pll->sys_pll2_gnrl_ctl);
+ val_cfg0 |= INTPLL_CLKE_MASK | INTPLL_DIV2_CLKE_MASK |
+ INTPLL_DIV3_CLKE_MASK | INTPLL_DIV4_CLKE_MASK |
+ INTPLL_DIV5_CLKE_MASK | INTPLL_DIV6_CLKE_MASK |
+ INTPLL_DIV8_CLKE_MASK | INTPLL_DIV10_CLKE_MASK |
+ INTPLL_DIV20_CLKE_MASK;
+ writel(val_cfg0, &ana_pll->sys_pll2_gnrl_ctl);
+
+ /* config GIC to sys_pll2_100m */
+ clock_enable(CCGR_GIC, 0);
+ clock_set_target_val(GIC_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(3));
+ clock_enable(CCGR_GIC, 1);
+
+ clock_set_target_val(NAND_USDHC_BUS_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(1));
+
+ clock_enable(CCGR_DDR1, 0);
+ clock_set_target_val(DRAM_ALT_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(1));
+ clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON |
+ CLK_ROOT_SOURCE_SEL(1));
+ clock_enable(CCGR_DDR1, 1);
+
+ init_wdog_clk();
+
+ clock_enable(CCGR_TEMP_SENSOR, 1);
+
+ clock_enable(CCGR_SEC_DEBUG, 1);
+
+ return 0;
+};
+
+u32 imx_get_uartclk(void)
+{
+ return 24000000U;
+}
+
+u32 mxc_get_clock(enum mxc_clock clk)
+{
+ struct clk *clkp;
+ int ret;
+
+ switch (clk) {
+ case MXC_IPG_CLK:
+ ret = clk_get_by_id(IMX8MM_CLK_IPG_ROOT, &clkp);
+ if (ret)
+ return 0;
+ return clk_get_rate(clkp);
+ case MXC_ARM_CLK:
+ ret = clk_get_by_id(IMX8MM_CLK_A53_DIV, &clkp);
+ if (ret)
+ return 0;
+ return clk_get_rate(clkp);
+ default:
+ printf("%s: %d not supported\n", __func__, clk);
+ }
+
+ return 0;
+}
diff --git a/arch/arm/mach-imx/imx8m/clock_slice.c b/arch/arm/mach-imx/imx8m/clock_slice.c
index 1a67c626f1..780f64314d 100644
--- a/arch/arm/mach-imx/imx8m/clock_slice.c
+++ b/arch/arm/mach-imx/imx8m/clock_slice.c
@@ -13,6 +13,7 @@
static struct ccm_reg *ccm_reg = (struct ccm_reg *)CCM_BASE_ADDR;
+#ifdef CONFIG_IMX8MQ
static struct clk_root_map root_array[] = {
{ARM_A53_CLK_ROOT, CORE_CLOCK_SLICE, 0,
{OSC_25M_CLK, ARM_PLL_CLK, SYSTEM_PLL2_500M_CLK,
@@ -474,6 +475,68 @@ static struct clk_root_map root_array[] = {
{DRAM_PLL1_CLK}
},
};
+#elif defined(CONFIG_IMX8MM)
+static struct clk_root_map root_array[] = {
+ {NAND_USDHC_BUS_CLK_ROOT, BUS_CLOCK_SLICE, 2,
+ {OSC_24M_CLK, SYSTEM_PLL1_266M_CLK, SYSTEM_PLL1_800M_CLK,
+ SYSTEM_PLL2_200M_CLK, SYSTEM_PLL1_133M_CLK,
+ SYSTEM_PLL3_CLK, SYSTEM_PLL2_250M_CLK, AUDIO_PLL1_CLK}
+ },
+ {NOC_CLK_ROOT, BUS_CLOCK_SLICE, 10,
+ {OSC_24M_CLK, SYSTEM_PLL1_800M_CLK, SYSTEM_PLL3_CLK,
+ SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL2_500M_CLK,
+ AUDIO_PLL1_CLK, VIDEO_PLL_CLK, AUDIO_PLL2_CLK}
+ },
+ {NOC_APB_CLK_ROOT, BUS_CLOCK_SLICE, 11,
+ {OSC_24M_CLK, SYSTEM_PLL1_400M_CLK, SYSTEM_PLL3_CLK,
+ SYSTEM_PLL2_333M_CLK, SYSTEM_PLL2_200M_CLK,
+ SYSTEM_PLL1_800M_CLK, AUDIO_PLL1_CLK, VIDEO_PLL_CLK}
+ },
+ {DRAM_ALT_CLK_ROOT, IP_CLOCK_SLICE, 0,
+ {OSC_24M_CLK, SYSTEM_PLL1_800M_CLK, SYSTEM_PLL1_100M_CLK,
+ SYSTEM_PLL2_500M_CLK, SYSTEM_PLL2_1000M_CLK,
+ SYSTEM_PLL3_CLK, AUDIO_PLL1_CLK, SYSTEM_PLL1_266M_CLK}
+ },
+ {DRAM_APB_CLK_ROOT, IP_CLOCK_SLICE, 1,
+ {OSC_24M_CLK, SYSTEM_PLL2_200M_CLK, SYSTEM_PLL1_40M_CLK,
+ SYSTEM_PLL1_160M_CLK, SYSTEM_PLL1_800M_CLK,
+ SYSTEM_PLL3_CLK, SYSTEM_PLL2_250M_CLK, AUDIO_PLL2_CLK}
+ },
+ {UART1_CLK_ROOT, IP_CLOCK_SLICE, 30,
+ {OSC_24M_CLK, SYSTEM_PLL1_80M_CLK, SYSTEM_PLL2_200M_CLK,
+ SYSTEM_PLL2_100M_CLK, SYSTEM_PLL3_CLK,
+ EXT_CLK_2, EXT_CLK_4, AUDIO_PLL2_CLK}
+ },
+ {UART2_CLK_ROOT, IP_CLOCK_SLICE, 31,
+ {OSC_24M_CLK, SYSTEM_PLL1_80M_CLK, SYSTEM_PLL2_200M_CLK,
+ SYSTEM_PLL2_100M_CLK, SYSTEM_PLL3_CLK,
+ EXT_CLK_2, EXT_CLK_3, AUDIO_PLL2_CLK}
+ },
+ {UART3_CLK_ROOT, IP_CLOCK_SLICE, 32,
+ {OSC_24M_CLK, SYSTEM_PLL1_80M_CLK, SYSTEM_PLL2_200M_CLK,
+ SYSTEM_PLL2_100M_CLK, SYSTEM_PLL3_CLK,
+ EXT_CLK_2, EXT_CLK_4, AUDIO_PLL2_CLK}
+ },
+ {UART4_CLK_ROOT, IP_CLOCK_SLICE, 33,
+ {OSC_24M_CLK, SYSTEM_PLL1_80M_CLK, SYSTEM_PLL2_200M_CLK,
+ SYSTEM_PLL2_100M_CLK, SYSTEM_PLL3_CLK,
+ EXT_CLK_2, EXT_CLK_3, AUDIO_PLL2_CLK}
+ },
+ {GIC_CLK_ROOT, IP_CLOCK_SLICE, 36,
+ {OSC_24M_CLK, SYSTEM_PLL2_200M_CLK, SYSTEM_PLL1_40M_CLK,
+ SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_800M_CLK,
+ EXT_CLK_2, EXT_CLK_4, AUDIO_PLL2_CLK}
+ },
+ {WDOG_CLK_ROOT, IP_CLOCK_SLICE, 50,
+ {OSC_24M_CLK, SYSTEM_PLL1_133M_CLK, SYSTEM_PLL1_160M_CLK,
+ VPU_PLL_CLK, SYSTEM_PLL2_125M_CLK,
+ SYSTEM_PLL3_CLK, SYSTEM_PLL1_80M_CLK, SYSTEM_PLL2_166M_CLK}
+ },
+ {DRAM_SEL_CFG, DRAM_SEL_CLOCK_SLICE, 0,
+ {DRAM_PLL1_CLK}
+ },
+};
+#endif
static int select(enum clk_root_index clock_id)
{
generated by cgit (git 2.34.1) at 2025-02-04 14:10:41 +0000