| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2015 Freescale Semiconductor, Inc. |
| * |
| * Author: |
| * Peng Fan <Peng.Fan@freescale.com> |
| */ |
| |
| #include <common.h> |
| #include <div64.h> |
| #include <asm/io.h> |
| #include <linux/errno.h> |
| #include <asm/arch/imx-regs.h> |
| #include <asm/arch/crm_regs.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/sys_proto.h> |
| |
| struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; |
| |
| static struct clk_root_map root_array[] = { |
| {ARM_A7_CLK_ROOT, CCM_CORE_CHANNEL, |
| {OSC_24M_CLK, PLL_ARM_MAIN_800M_CLK, PLL_ENET_MAIN_500M_CLK, |
| PLL_DRAM_MAIN_1066M_CLK, PLL_SYS_MAIN_480M_CLK, |
| PLL_SYS_PFD0_392M_CLK, PLL_AUDIO_MAIN_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {ARM_M4_CLK_ROOT, CCM_BUS_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_250M_CLK, |
| PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {ARM_M0_CLK_ROOT, CCM_BUS_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_ENET_MAIN_125M_CLK, |
| PLL_SYS_PFD2_135M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {MAIN_AXI_CLK_ROOT, CCM_BUS_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD1_332M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_ENET_MAIN_250M_CLK, PLL_SYS_PFD5_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD7_CLK} |
| }, |
| {DISP_AXI_CLK_ROOT, CCM_BUS_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD1_332M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_ENET_MAIN_250M_CLK, PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK, |
| PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {ENET_AXI_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_ENET_MAIN_250M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD4_CLK} |
| }, |
| {NAND_USDHC_BUS_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_SYS_MAIN_240M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_PFD6_CLK, |
| PLL_ENET_MAIN_250M_CLK, PLL_AUDIO_MAIN_CLK} |
| }, |
| {AHB_CLK_ROOT, CCM_AHB_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_SYS_PFD0_392M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_USB_MAIN_480M_CLK, |
| PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {DRAM_PHYM_CLK_ROOT, CCM_DRAM_PHYM_CHANNEL, |
| {PLL_DRAM_MAIN_1066M_CLK, DRAM_PHYM_ALT_CLK_ROOT} |
| }, |
| {DRAM_CLK_ROOT, CCM_DRAM_CHANNEL, |
| {PLL_DRAM_MAIN_1066M_CLK, DRAM_ALT_CLK_ROOT} |
| }, |
| {DRAM_PHYM_ALT_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_SYS_MAIN_480M_CLK, |
| PLL_ENET_MAIN_500M_CLK, PLL_USB_MAIN_480M_CLK, PLL_SYS_PFD7_CLK, |
| PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {DRAM_ALT_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_SYS_MAIN_480M_CLK, |
| PLL_ENET_MAIN_500M_CLK, PLL_ENET_MAIN_250M_CLK, |
| PLL_SYS_PFD0_392M_CLK, PLL_AUDIO_MAIN_CLK, PLL_SYS_PFD2_270M_CLK} |
| }, |
| {USB_HSIC_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_USB_MAIN_480M_CLK, |
| PLL_SYS_PFD3_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD5_CLK, |
| PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK} |
| }, |
| {PCIE_CTRL_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_250M_CLK, PLL_SYS_MAIN_240M_CLK, |
| PLL_SYS_PFD2_270M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD1_332M_CLK, PLL_SYS_PFD6_CLK} |
| }, |
| {PCIE_PHY_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_ENET_MAIN_500M_CLK, |
| EXT_CLK_1, EXT_CLK_2, EXT_CLK_3, |
| EXT_CLK_4, PLL_SYS_PFD0_392M_CLK} |
| }, |
| {EPDC_PIXEL_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD1_332M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD5_CLK, PLL_SYS_PFD6_CLK, |
| PLL_SYS_PFD7_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {LCDIF_PIXEL_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD5_CLK, PLL_DRAM_MAIN_533M_CLK, |
| EXT_CLK_3, PLL_SYS_PFD4_CLK, PLL_SYS_PFD2_270M_CLK, |
| PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {MIPI_DSI_EXTSER_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD5_CLK, PLL_SYS_PFD3_CLK, |
| PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD0_196M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_VIDEO_MAIN_CLK, PLL_AUDIO_MAIN_CLK} |
| }, |
| {MIPI_CSI_WARP_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD3_CLK, |
| PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD0_196M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_VIDEO_MAIN_CLK, PLL_AUDIO_MAIN_CLK} |
| }, |
| {MIPI_DPHY_REF_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_SYS_PFD5_CLK, REF_1M_CLK, EXT_CLK_2, |
| PLL_VIDEO_MAIN_CLK, EXT_CLK_3} |
| }, |
| {SAI1_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD4_CLK, |
| PLL_ENET_MAIN_125M_CLK, EXT_CLK_2} |
| }, |
| {SAI2_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD4_CLK, |
| PLL_ENET_MAIN_125M_CLK, EXT_CLK_2} |
| }, |
| {SAI3_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD4_CLK, |
| PLL_ENET_MAIN_125M_CLK, EXT_CLK_3} |
| }, |
| {SPDIF_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD4_CLK, |
| PLL_ENET_MAIN_125M_CLK, EXT_CLK_3} |
| }, |
| {ENET1_REF_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_ENET_MAIN_50M_CLK, |
| PLL_ENET_MAIN_25M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_VIDEO_MAIN_CLK, EXT_CLK_4} |
| }, |
| {ENET1_TIME_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_AUDIO_MAIN_CLK, |
| EXT_CLK_1, EXT_CLK_2, EXT_CLK_3, |
| EXT_CLK_4, PLL_VIDEO_MAIN_CLK} |
| }, |
| {ENET2_REF_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_ENET_MAIN_50M_CLK, |
| PLL_ENET_MAIN_25M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_VIDEO_MAIN_CLK, EXT_CLK_4} |
| }, |
| {ENET2_TIME_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_AUDIO_MAIN_CLK, |
| EXT_CLK_1, EXT_CLK_2, EXT_CLK_3, |
| EXT_CLK_4, PLL_VIDEO_MAIN_CLK} |
| }, |
| {ENET_PHY_REF_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_25M_CLK, PLL_ENET_MAIN_50M_CLK, |
| PLL_ENET_MAIN_125M_CLK, PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_VIDEO_MAIN_CLK, PLL_SYS_PFD3_CLK} |
| }, |
| {EIM_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_SYS_PFD2_270M_CLK, PLL_SYS_PFD3_CLK, |
| PLL_ENET_MAIN_125M_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {NAND_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_SYS_PFD0_392M_CLK, PLL_SYS_PFD3_CLK, PLL_ENET_MAIN_500M_CLK, |
| PLL_ENET_MAIN_250M_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {QSPI_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD4_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD3_CLK, PLL_SYS_PFD2_270M_CLK, |
| PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK} |
| }, |
| {USDHC1_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD0_392M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD2_270M_CLK, |
| PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK} |
| }, |
| {USDHC2_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD0_392M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD2_270M_CLK, |
| PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK} |
| }, |
| {USDHC3_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD0_392M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD4_CLK, PLL_SYS_PFD2_270M_CLK, |
| PLL_SYS_PFD6_CLK, PLL_SYS_PFD7_CLK} |
| }, |
| {CAN1_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_SYS_MAIN_480M_CLK, PLL_ENET_MAIN_40M_CLK, PLL_USB_MAIN_480M_CLK, |
| EXT_CLK_1, EXT_CLK_4} |
| }, |
| {CAN2_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_SYS_MAIN_480M_CLK, PLL_ENET_MAIN_40M_CLK, PLL_USB_MAIN_480M_CLK, |
| EXT_CLK_1, EXT_CLK_3} |
| }, |
| {I2C1_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_ENET_MAIN_50M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK, |
| PLL_USB_MAIN_480M_CLK, PLL_SYS_PFD2_135M_CLK} |
| }, |
| {I2C2_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_ENET_MAIN_50M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK, |
| PLL_USB_MAIN_480M_CLK, PLL_SYS_PFD2_135M_CLK} |
| }, |
| {I2C3_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_ENET_MAIN_50M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK, |
| PLL_USB_MAIN_480M_CLK, PLL_SYS_PFD2_135M_CLK} |
| }, |
| {I2C4_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_120M_CLK, PLL_ENET_MAIN_50M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_AUDIO_MAIN_CLK, PLL_VIDEO_MAIN_CLK, |
| PLL_USB_MAIN_480M_CLK, PLL_SYS_PFD2_135M_CLK} |
| }, |
| {UART1_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2, |
| EXT_CLK_4, PLL_USB_MAIN_480M_CLK} |
| }, |
| {UART2_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2, |
| EXT_CLK_3, PLL_USB_MAIN_480M_CLK} |
| }, |
| {UART3_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2, |
| EXT_CLK_4, PLL_USB_MAIN_480M_CLK} |
| }, |
| {UART4_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2, |
| EXT_CLK_3, PLL_USB_MAIN_480M_CLK} |
| }, |
| {UART5_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2, |
| EXT_CLK_4, PLL_USB_MAIN_480M_CLK} |
| }, |
| {UART6_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2, |
| EXT_CLK_3, PLL_USB_MAIN_480M_CLK} |
| }, |
| {UART7_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_480M_CLK, EXT_CLK_2, |
| EXT_CLK_4, PLL_USB_MAIN_480M_CLK} |
| }, |
| {ECSPI1_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_SYS_MAIN_120M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD4_CLK, |
| PLL_ENET_MAIN_250M_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {ECSPI2_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_SYS_MAIN_120M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD4_CLK, |
| PLL_ENET_MAIN_250M_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {ECSPI3_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_SYS_MAIN_120M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD4_CLK, |
| PLL_ENET_MAIN_250M_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {ECSPI4_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_ENET_MAIN_40M_CLK, |
| PLL_SYS_MAIN_120M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_PFD4_CLK, |
| PLL_ENET_MAIN_250M_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {PWM1_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_1, |
| REF_1M_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {PWM2_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_1, |
| REF_1M_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {PWM3_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_2, |
| REF_1M_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {PWM4_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_2, |
| REF_1M_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {FLEXTIMER1_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_3, |
| REF_1M_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {FLEXTIMER2_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_ENET_MAIN_40M_CLK, PLL_AUDIO_MAIN_CLK, EXT_CLK_3, |
| REF_1M_CLK, PLL_VIDEO_MAIN_CLK} |
| }, |
| {SIM1_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_USB_MAIN_480M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_ENET_MAIN_125M_CLK, PLL_SYS_PFD7_CLK} |
| }, |
| {SIM2_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_USB_MAIN_480M_CLK, PLL_VIDEO_MAIN_CLK, |
| PLL_ENET_MAIN_125M_CLK, PLL_SYS_PFD7_CLK} |
| }, |
| {GPT1_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_PFD0_392M_CLK, |
| PLL_ENET_MAIN_40M_CLK, PLL_VIDEO_MAIN_CLK, REF_1M_CLK, |
| PLL_AUDIO_MAIN_CLK, EXT_CLK_1} |
| }, |
| {GPT2_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_PFD0_392M_CLK, |
| PLL_ENET_MAIN_40M_CLK, PLL_VIDEO_MAIN_CLK, REF_1M_CLK, |
| PLL_AUDIO_MAIN_CLK, EXT_CLK_2} |
| }, |
| {GPT3_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_PFD0_392M_CLK, |
| PLL_ENET_MAIN_40M_CLK, PLL_VIDEO_MAIN_CLK, REF_1M_CLK, |
| PLL_AUDIO_MAIN_CLK, EXT_CLK_3} |
| }, |
| {GPT4_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_100M_CLK, PLL_SYS_PFD0_392M_CLK, |
| PLL_ENET_MAIN_40M_CLK, PLL_VIDEO_MAIN_CLK, REF_1M_CLK, |
| PLL_AUDIO_MAIN_CLK, EXT_CLK_4} |
| }, |
| {TRACE_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_USB_MAIN_480M_CLK, |
| EXT_CLK_1, EXT_CLK_3} |
| }, |
| {WDOG_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_USB_MAIN_480M_CLK, |
| REF_1M_CLK, PLL_SYS_PFD1_166M_CLK} |
| }, |
| {CSI_MCLK_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {AUDIO_MCLK_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_PFD2_135M_CLK, PLL_SYS_MAIN_120M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, PLL_ENET_MAIN_125M_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_VIDEO_MAIN_CLK, PLL_USB_MAIN_480M_CLK} |
| }, |
| {WRCLK_CLK_ROOT, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_ENET_MAIN_40M_CLK, PLL_DRAM_MAIN_533M_CLK, |
| PLL_USB_MAIN_480M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_SYS_PFD2_270M_CLK, |
| PLL_ENET_MAIN_500M_CLK, PLL_SYS_PFD7_CLK} |
| }, |
| {IPP_DO_CLKO1, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_480M_CLK, PLL_SYS_MAIN_240M_CLK, |
| PLL_SYS_PFD0_196M_CLK, PLL_SYS_PFD3_CLK, PLL_ENET_MAIN_500M_CLK, |
| PLL_DRAM_MAIN_533M_CLK, REF_1M_CLK} |
| }, |
| {IPP_DO_CLKO2, CCM_IP_CHANNEL, |
| {OSC_24M_CLK, PLL_SYS_MAIN_240M_CLK, PLL_SYS_PFD0_392M_CLK, |
| PLL_SYS_PFD1_166M_CLK, PLL_SYS_PFD4_CLK, PLL_AUDIO_MAIN_CLK, |
| PLL_VIDEO_MAIN_CLK, OSC_32K_CLK} |
| }, |
| }; |
| |
| /* select which entry of root_array */ |
| static int select(enum clk_root_index clock_id) |
| { |
| int i, size; |
| struct clk_root_map *p = root_array; |
| |
| size = ARRAY_SIZE(root_array); |
| |
| for (i = 0; i < size; i++, p++) { |
| if (clock_id == p->entry) |
| return i; |
| } |
| |
| return -EINVAL; |
| } |
| |
| static int src_supported(int entry, enum clk_root_src clock_src) |
| { |
| int i, size; |
| struct clk_root_map *p = &root_array[entry]; |
| |
| if ((p->type == CCM_DRAM_PHYM_CHANNEL) || (p->type == CCM_DRAM_CHANNEL)) |
| size = 2; |
| else |
| size = 8; |
| |
| for (i = 0; i < size; i++) { |
| if (p->src_mux[i] == clock_src) |
| return i; |
| } |
| |
| return -EINVAL; |
| } |
| |
| /* Set src for clock root slice. */ |
| int clock_set_src(enum clk_root_index clock_id, enum clk_root_src clock_src) |
| { |
| int root_entry, src_entry; |
| u32 reg; |
| |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| root_entry = select(clock_id); |
| if (root_entry < 0) |
| return -EINVAL; |
| |
| src_entry = src_supported(root_entry, clock_src); |
| if (src_entry < 0) |
| return -EINVAL; |
| |
| reg = __raw_readl(&imx_ccm->root[clock_id].target_root); |
| reg &= ~CLK_ROOT_MUX_MASK; |
| reg |= src_entry << CLK_ROOT_MUX_SHIFT; |
| __raw_writel(reg, &imx_ccm->root[clock_id].target_root); |
| |
| return 0; |
| } |
| |
| /* Get src of a clock root slice. */ |
| int clock_get_src(enum clk_root_index clock_id, enum clk_root_src *p_clock_src) |
| { |
| u32 val; |
| int root_entry; |
| struct clk_root_map *p; |
| |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| val = __raw_readl(&imx_ccm->root[clock_id].target_root); |
| val &= CLK_ROOT_MUX_MASK; |
| val >>= CLK_ROOT_MUX_SHIFT; |
| |
| root_entry = select(clock_id); |
| if (root_entry < 0) |
| return -EINVAL; |
| |
| p = &root_array[root_entry]; |
| *p_clock_src = p->src_mux[val]; |
| |
| return 0; |
| } |
| |
| int clock_set_prediv(enum clk_root_index clock_id, enum root_pre_div pre_div) |
| { |
| int root_entry; |
| struct clk_root_map *p; |
| u32 reg; |
| |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| root_entry = select(clock_id); |
| if (root_entry < 0) |
| return -EINVAL; |
| |
| p = &root_array[root_entry]; |
| |
| if ((p->type == CCM_CORE_CHANNEL) || |
| (p->type == CCM_DRAM_PHYM_CHANNEL) || |
| (p->type == CCM_DRAM_CHANNEL)) { |
| if (pre_div != CLK_ROOT_PRE_DIV1) { |
| printf("Error pre div!\n"); |
| return -EINVAL; |
| } |
| } |
| |
| reg = __raw_readl(&imx_ccm->root[clock_id].target_root); |
| reg &= ~CLK_ROOT_PRE_DIV_MASK; |
| reg |= pre_div << CLK_ROOT_PRE_DIV_SHIFT; |
| __raw_writel(reg, &imx_ccm->root[clock_id].target_root); |
| |
| return 0; |
| } |
| |
| int clock_get_prediv(enum clk_root_index clock_id, enum root_pre_div *pre_div) |
| { |
| u32 val; |
| int root_entry; |
| struct clk_root_map *p; |
| |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| root_entry = select(clock_id); |
| if (root_entry < 0) |
| return -EINVAL; |
| |
| p = &root_array[root_entry]; |
| |
| if ((p->type == CCM_CORE_CHANNEL) || |
| (p->type == CCM_DRAM_PHYM_CHANNEL) || |
| (p->type == CCM_DRAM_CHANNEL)) { |
| *pre_div = 0; |
| return 0; |
| } |
| |
| val = __raw_readl(&imx_ccm->root[clock_id].target_root); |
| val &= CLK_ROOT_PRE_DIV_MASK; |
| val >>= CLK_ROOT_PRE_DIV_SHIFT; |
| |
| *pre_div = val; |
| |
| return 0; |
| } |
| |
| int clock_set_postdiv(enum clk_root_index clock_id, enum root_post_div div) |
| { |
| u32 reg; |
| |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| if (clock_id == DRAM_PHYM_CLK_ROOT) { |
| if (div != CLK_ROOT_POST_DIV1) { |
| printf("Error post div!\n"); |
| return -EINVAL; |
| } |
| } |
| |
| /* Only 3 bit post div. */ |
| if ((clock_id == DRAM_CLK_ROOT) && (div > CLK_ROOT_POST_DIV7)) { |
| printf("Error post div!\n"); |
| return -EINVAL; |
| } |
| |
| reg = __raw_readl(&imx_ccm->root[clock_id].target_root); |
| reg &= ~CLK_ROOT_POST_DIV_MASK; |
| reg |= div << CLK_ROOT_POST_DIV_SHIFT; |
| __raw_writel(reg, &imx_ccm->root[clock_id].target_root); |
| |
| return 0; |
| } |
| |
| int clock_get_postdiv(enum clk_root_index clock_id, enum root_post_div *div) |
| { |
| u32 val; |
| |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| if (clock_id == DRAM_PHYM_CLK_ROOT) { |
| *div = 0; |
| return 0; |
| } |
| |
| val = __raw_readl(&imx_ccm->root[clock_id].target_root); |
| if (clock_id == DRAM_CLK_ROOT) |
| val &= DRAM_CLK_ROOT_POST_DIV_MASK; |
| else |
| val &= CLK_ROOT_POST_DIV_MASK; |
| val >>= CLK_ROOT_POST_DIV_SHIFT; |
| |
| *div = val; |
| |
| return 0; |
| } |
| |
| int clock_set_autopostdiv(enum clk_root_index clock_id, enum root_auto_div div, |
| int auto_en) |
| { |
| u32 val; |
| int root_entry; |
| struct clk_root_map *p; |
| |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| root_entry = select(clock_id); |
| if (root_entry < 0) |
| return -EINVAL; |
| |
| p = &root_array[root_entry]; |
| |
| if ((p->type != CCM_BUS_CHANNEL) && (p->type != CCM_AHB_CHANNEL)) { |
| printf("Auto postdiv not supported.!\n"); |
| return -EINVAL; |
| } |
| |
| /* |
| * Each time only one filed can be changed, no use target_root_set. |
| */ |
| val = __raw_readl(&imx_ccm->root[clock_id].target_root); |
| val &= ~CLK_ROOT_AUTO_DIV_MASK; |
| val |= (div << CLK_ROOT_AUTO_DIV_SHIFT); |
| |
| if (auto_en) |
| val |= CLK_ROOT_AUTO_EN; |
| else |
| val &= ~CLK_ROOT_AUTO_EN; |
| |
| __raw_writel(val, &imx_ccm->root[clock_id].target_root); |
| |
| return 0; |
| } |
| |
| int clock_get_autopostdiv(enum clk_root_index clock_id, enum root_auto_div *div, |
| int *auto_en) |
| { |
| u32 val; |
| int root_entry; |
| struct clk_root_map *p; |
| |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| root_entry = select(clock_id); |
| if (root_entry < 0) |
| return -EINVAL; |
| |
| p = &root_array[root_entry]; |
| |
| /* |
| * Only bus/ahb channel supports auto div. |
| * If unsupported, just set auto_en and div with 0. |
| */ |
| if ((p->type != CCM_BUS_CHANNEL) && (p->type != CCM_AHB_CHANNEL)) { |
| *auto_en = 0; |
| *div = 0; |
| return 0; |
| } |
| |
| val = __raw_readl(&imx_ccm->root[clock_id].target_root); |
| if ((val & CLK_ROOT_AUTO_EN_MASK) == 0) |
| *auto_en = 0; |
| else |
| *auto_en = 1; |
| |
| val &= CLK_ROOT_AUTO_DIV_MASK; |
| val >>= CLK_ROOT_AUTO_DIV_SHIFT; |
| |
| *div = val; |
| |
| return 0; |
| } |
| |
| int clock_get_target_val(enum clk_root_index clock_id, u32 *val) |
| { |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| *val = __raw_readl(&imx_ccm->root[clock_id].target_root); |
| |
| return 0; |
| } |
| |
| int clock_set_target_val(enum clk_root_index clock_id, u32 val) |
| { |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| __raw_writel(val, &imx_ccm->root[clock_id].target_root); |
| |
| return 0; |
| } |
| |
| /* Auto_div and auto_en is ignored, they are rarely used. */ |
| int clock_root_cfg(enum clk_root_index clock_id, enum root_pre_div pre_div, |
| enum root_post_div post_div, enum clk_root_src clock_src) |
| { |
| u32 val; |
| int root_entry, src_entry; |
| struct clk_root_map *p; |
| |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| root_entry = select(clock_id); |
| if (root_entry < 0) |
| return -EINVAL; |
| |
| p = &root_array[root_entry]; |
| |
| if ((p->type == CCM_CORE_CHANNEL) || |
| (p->type == CCM_DRAM_PHYM_CHANNEL) || |
| (p->type == CCM_DRAM_CHANNEL)) { |
| if (pre_div != CLK_ROOT_PRE_DIV1) { |
| printf("Error pre div!\n"); |
| return -EINVAL; |
| } |
| } |
| |
| /* Only 3 bit post div. */ |
| if (p->type == CCM_DRAM_CHANNEL) { |
| if (post_div > CLK_ROOT_POST_DIV7) { |
| printf("Error post div!\n"); |
| return -EINVAL; |
| } |
| } |
| |
| if (p->type == CCM_DRAM_PHYM_CHANNEL) { |
| if (post_div != CLK_ROOT_POST_DIV1) { |
| printf("Error post div!\n"); |
| return -EINVAL; |
| } |
| } |
| |
| src_entry = src_supported(root_entry, clock_src); |
| if (src_entry < 0) |
| return -EINVAL; |
| |
| val = CLK_ROOT_ON | pre_div << CLK_ROOT_PRE_DIV_SHIFT | |
| post_div << CLK_ROOT_POST_DIV_SHIFT | |
| src_entry << CLK_ROOT_MUX_SHIFT; |
| |
| __raw_writel(val, &imx_ccm->root[clock_id].target_root); |
| |
| return 0; |
| } |
| |
| int clock_root_enabled(enum clk_root_index clock_id) |
| { |
| u32 val; |
| |
| if (clock_id >= CLK_ROOT_MAX) |
| return -EINVAL; |
| |
| /* |
| * No enable bit for DRAM controller and PHY. Just return enabled. |
| */ |
| if ((clock_id == DRAM_PHYM_CLK_ROOT) || (clock_id == DRAM_CLK_ROOT)) |
| return 1; |
| |
| val = __raw_readl(&imx_ccm->root[clock_id].target_root); |
| |
| return (val & CLK_ROOT_ENABLE_MASK) ? 1 : 0; |
| } |
| |
| /* CCGR gate operation */ |
| int clock_enable(enum clk_ccgr_index index, bool enable) |
| { |
| if (index >= CCGR_MAX) |
| return -EINVAL; |
| |
| if (enable) |
| __raw_writel(CCM_CLK_ON_MSK, |
| &imx_ccm->ccgr_array[index].ccgr_set); |
| else |
| __raw_writel(CCM_CLK_ON_MSK, |
| &imx_ccm->ccgr_array[index].ccgr_clr); |
| |
| return 0; |
| } |
