imx8m: add clk support for i.MX8MM
authorPeng Fan <peng.fan@nxp.com>
Tue, 27 Aug 2019 06:25:51 +0000 (06:25 +0000)
committerStefano Babic <sbabic@denx.de>
Tue, 8 Oct 2019 14:36:36 +0000 (16:36 +0200)
Introduce clk implementation for i.MX8MM, including pll configuration,
ccm configuration. Mostly will be done clk dm driver,
but such as DRAM part, we still use non clk dm driver, because we
have limited sram.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
arch/arm/include/asm/arch-imx8m/clock.h
arch/arm/include/asm/arch-imx8m/clock_imx8mm.h [new file with mode: 0644]
arch/arm/mach-imx/imx8m/Makefile
arch/arm/mach-imx/imx8m/clock_imx8mm.c [new file with mode: 0644]
arch/arm/mach-imx/imx8m/clock_slice.c

index 80245a2f2d4c1e76ea0d00480dc0e8faeb862e35..dded6e079770b333eaa788e264fcd0e8eda1f11c 100644 (file)
@@ -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 (file)
index 0000000..305514a
--- /dev/null
@@ -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
index 42a1544c6b7b2e61c23714163ada36d3dacb634e..92184f313510d577a5ea269ac9767b89be0db08c 100644 (file)
@@ -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 (file)
index 0000000..ee44ba7
--- /dev/null
@@ -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;
+}
index 1a67c626f1a9ff4a3ad4a2f8eddbc2a70583a4a6..780f64314d0092f51e84359e871f5f33a9bd1c0a 100644 (file)
@@ -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)
 {