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upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/mach-imx/mx8m/clock_slice.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2017 NXP
*
* Peng Fan <peng.fan@nxp.com>
*/
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/io.h>
#include <errno.h>
static struct ccm_reg *ccm_reg = (struct ccm_reg *)CCM_BASE_ADDR;
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,
SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL1_400M_CLK, AUDIO_PLL1_CLK, SYSTEM_PLL3_CLK}
},
{ARM_M4_CLK_ROOT, CORE_CLOCK_SLICE, 1,
{OSC_25M_CLK, SYSTEM_PLL2_200M_CLK, SYSTEM_PLL2_250M_CLK,
SYSTEM_PLL1_266M_CLK, SYSTEM_PLL1_800M_CLK,
AUDIO_PLL1_CLK, VIDEO_PLL_CLK, SYSTEM_PLL3_CLK}
},
{VPU_A53_CLK_ROOT, CORE_CLOCK_SLICE, 2,
{OSC_25M_CLK, ARM_PLL_CLK, SYSTEM_PLL2_500M_CLK,
SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL1_400M_CLK, AUDIO_PLL1_CLK, VPU_PLL_CLK}
},
{GPU_CORE_CLK_ROOT, CORE_CLOCK_SLICE, 3,
{OSC_25M_CLK, GPU_PLL_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL3_CLK, SYSTEM_PLL2_1000M_CLK,
AUDIO_PLL1_CLK, VIDEO_PLL_CLK, AUDIO_PLL2_CLK}
},
{GPU_SHADER_CLK_ROOT, CORE_CLOCK_SLICE, 4,
{OSC_25M_CLK, GPU_PLL_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL3_CLK, SYSTEM_PLL2_1000M_CLK,
AUDIO_PLL1_CLK, VIDEO_PLL_CLK, AUDIO_PLL2_CLK}
},
{MAIN_AXI_CLK_ROOT, BUS_CLOCK_SLICE, 0,
{OSC_25M_CLK, SYSTEM_PLL2_333M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_250M_CLK, SYSTEM_PLL2_1000M_CLK,
AUDIO_PLL1_CLK, VIDEO_PLL_CLK, SYSTEM_PLL1_100M_CLK}
},
{ENET_AXI_CLK_ROOT, BUS_CLOCK_SLICE, 1,
{OSC_25M_CLK, SYSTEM_PLL1_266M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_250M_CLK, SYSTEM_PLL2_200M_CLK,
AUDIO_PLL1_CLK, VIDEO_PLL_CLK, SYSTEM_PLL3_CLK}
},
{NAND_USDHC_BUS_CLK_ROOT, BUS_CLOCK_SLICE, 2,
{OSC_25M_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}
},
{VPU_BUS_CLK_ROOT, BUS_CLOCK_SLICE, 3,
{OSC_25M_CLK, SYSTEM_PLL1_800M_CLK, VPU_PLL_CLK,
AUDIO_PLL2_CLK, SYSTEM_PLL3_CLK, SYSTEM_PLL2_1000M_CLK,
SYSTEM_PLL2_200M_CLK, SYSTEM_PLL1_100M_CLK}
},
{DISPLAY_AXI_CLK_ROOT, BUS_CLOCK_SLICE, 4,
{OSC_25M_CLK, SYSTEM_PLL2_125M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL3_CLK, SYSTEM_PLL1_400M_CLK, AUDIO_PLL2_CLK,
EXT_CLK_1, EXT_CLK_4}
},
{DISPLAY_APB_CLK_ROOT, BUS_CLOCK_SLICE, 5,
{OSC_25M_CLK, SYSTEM_PLL2_125M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL3_CLK, SYSTEM_PLL1_400M_CLK, AUDIO_PLL2_CLK,
EXT_CLK_1, EXT_CLK_3}
},
{DISPLAY_RTRM_CLK_ROOT, BUS_CLOCK_SLICE, 6,
{OSC_25M_CLK, SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_200M_CLK,
SYSTEM_PLL1_400M_CLK, AUDIO_PLL1_CLK, VIDEO_PLL_CLK,
EXT_CLK_2, EXT_CLK_3}
},
{USB_BUS_CLK_ROOT, BUS_CLOCK_SLICE, 7,
{OSC_25M_CLK, SYSTEM_PLL2_500M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_100M_CLK, SYSTEM_PLL2_200M_CLK,
EXT_CLK_2, EXT_CLK_4, AUDIO_PLL2_CLK}
},
{GPU_AXI_CLK_ROOT, BUS_CLOCK_SLICE, 8,
{OSC_25M_CLK, SYSTEM_PLL1_800M_CLK, GPU_PLL_CLK,
SYSTEM_PLL3_CLK, SYSTEM_PLL2_1000M_CLK,
AUDIO_PLL1_CLK, VIDEO_PLL_CLK, AUDIO_PLL2_CLK}
},
{GPU_AHB_CLK_ROOT, BUS_CLOCK_SLICE, 9,
{OSC_25M_CLK, SYSTEM_PLL1_800M_CLK, GPU_PLL_CLK,
SYSTEM_PLL3_CLK, SYSTEM_PLL2_1000M_CLK,
AUDIO_PLL1_CLK, VIDEO_PLL_CLK, AUDIO_PLL2_CLK}
},
{NOC_CLK_ROOT, BUS_CLOCK_SLICE, 10,
{OSC_25M_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_25M_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}
},
{AHB_CLK_ROOT, AHB_CLOCK_SLICE, 0,
{OSC_25M_CLK, SYSTEM_PLL1_133M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL1_400M_CLK, SYSTEM_PLL2_125M_CLK,
SYSTEM_PLL3_CLK, AUDIO_PLL1_CLK, VIDEO_PLL_CLK}
},
{IPG_CLK_ROOT, IPG_CLOCK_SLICE, 0,
{}
},
{AUDIO_AHB_CLK_ROOT, AHB_CLOCK_SLICE, 1,
{OSC_25M_CLK, SYSTEM_PLL2_500M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL2_166M_CLK,
SYSTEM_PLL3_CLK, AUDIO_PLL1_CLK, VIDEO_PLL_CLK}
},
{MIPI_DSI_ESC_RX_CLK_ROOT, AHB_CLOCK_SLICE, 2,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_40M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
SYSTEM_PLL3_CLK, EXT_CLK_3, AUDIO_PLL1_CLK },
},
{DRAM_ALT_CLK_ROOT, IP_CLOCK_SLICE, 0,
{OSC_25M_CLK, SYSTEM_PLL1_800M_CLK, SYSTEM_PLL1_100M_CLK,
SYSTEM_PLL2_500M_CLK, SYSTEM_PLL2_250M_CLK,
SYSTEM_PLL1_400M_CLK, AUDIO_PLL1_CLK, SYSTEM_PLL1_266M_CLK}
},
{DRAM_APB_CLK_ROOT, IP_CLOCK_SLICE, 1,
{OSC_25M_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}
},
{VPU_G1_CLK_ROOT, IP_CLOCK_SLICE, 2,
{OSC_25M_CLK, VPU_PLL_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL1_100M_CLK,
SYSTEM_PLL2_125M_CLK, SYSTEM_PLL3_CLK, AUDIO_PLL1_CLK}
},
{VPU_G2_CLK_ROOT, IP_CLOCK_SLICE, 3,
{OSC_25M_CLK, VPU_PLL_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL1_100M_CLK,
SYSTEM_PLL2_125M_CLK, SYSTEM_PLL3_CLK, AUDIO_PLL1_CLK}
},
{DISPLAY_DTRC_CLK_ROOT, IP_CLOCK_SLICE, 4,
{OSC_25M_CLK, VPU_PLL_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL1_160M_CLK,
SYSTEM_PLL2_100M_CLK, SYSTEM_PLL3_CLK, AUDIO_PLL2_CLK}
},
{DISPLAY_DC8000_CLK_ROOT, IP_CLOCK_SLICE, 5,
{OSC_25M_CLK, VPU_PLL_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL1_160M_CLK,
SYSTEM_PLL2_100M_CLK, SYSTEM_PLL3_CLK, AUDIO_PLL2_CLK}
},
{PCIE1_CTRL_CLK_ROOT, IP_CLOCK_SLICE, 6,
{OSC_25M_CLK, SYSTEM_PLL2_250M_CLK, SYSTEM_PLL2_200M_CLK,
SYSTEM_PLL1_266M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_500M_CLK, SYSTEM_PLL2_333M_CLK, SYSTEM_PLL3_CLK}
},
{PCIE1_PHY_CLK_ROOT, IP_CLOCK_SLICE, 7,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL2_500M_CLK,
EXT_CLK_1, EXT_CLK_2, EXT_CLK_3, EXT_CLK_4,
SYSTEM_PLL1_400M_CLK}
},
{PCIE1_AUX_CLK_ROOT, IP_CLOCK_SLICE, 8,
{OSC_25M_CLK, SYSTEM_PLL2_200M_CLK, SYSTEM_PLL2_50M_CLK,
SYSTEM_PLL3_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_80M_CLK,
SYSTEM_PLL1_160M_CLK, SYSTEM_PLL1_200M_CLK}
},
{DC_PIXEL_CLK_ROOT, IP_CLOCK_SLICE, 9,
{OSC_25M_CLK, VIDEO_PLL_CLK, AUDIO_PLL2_CLK,
AUDIO_PLL1_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL3_CLK, EXT_CLK_4}
},
{LCDIF_PIXEL_CLK_ROOT, IP_CLOCK_SLICE, 10,
{OSC_25M_CLK, VIDEO_PLL_CLK, AUDIO_PLL2_CLK,
AUDIO_PLL1_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL3_CLK, EXT_CLK_4}
},
{SAI1_CLK_ROOT, IP_CLOCK_SLICE, 11,
{OSC_25M_CLK, AUDIO_PLL1_CLK, AUDIO_PLL2_CLK,
VIDEO_PLL_CLK, SYSTEM_PLL1_133M_CLK,
OSC_27M_CLK, EXT_CLK_1, EXT_CLK_2}
},
{SAI2_CLK_ROOT, IP_CLOCK_SLICE, 12,
{OSC_25M_CLK, AUDIO_PLL1_CLK, AUDIO_PLL2_CLK,
VIDEO_PLL_CLK, SYSTEM_PLL1_133M_CLK,
OSC_27M_CLK, EXT_CLK_2, EXT_CLK_3}
},
{SAI3_CLK_ROOT, IP_CLOCK_SLICE, 13,
{OSC_25M_CLK, AUDIO_PLL1_CLK, AUDIO_PLL2_CLK,
VIDEO_PLL_CLK, SYSTEM_PLL1_133M_CLK,
OSC_27M_CLK, EXT_CLK_3, EXT_CLK_4}
},
{SAI4_CLK_ROOT, IP_CLOCK_SLICE, 14,
{OSC_25M_CLK, AUDIO_PLL1_CLK, AUDIO_PLL2_CLK,
VIDEO_PLL_CLK, SYSTEM_PLL1_133M_CLK,
OSC_27M_CLK, EXT_CLK_1, EXT_CLK_2}
},
{SAI5_CLK_ROOT, IP_CLOCK_SLICE, 15,
{OSC_25M_CLK, AUDIO_PLL1_CLK, AUDIO_PLL2_CLK,
VIDEO_PLL_CLK, SYSTEM_PLL1_133M_CLK,
OSC_27M_CLK, EXT_CLK_2, EXT_CLK_3}
},
{SAI6_CLK_ROOT, IP_CLOCK_SLICE, 16,
{OSC_25M_CLK, AUDIO_PLL1_CLK, AUDIO_PLL2_CLK,
VIDEO_PLL_CLK, SYSTEM_PLL1_133M_CLK,
OSC_27M_CLK, EXT_CLK_3, EXT_CLK_4}
},
{SPDIF1_CLK_ROOT, IP_CLOCK_SLICE, 17,
{OSC_25M_CLK, AUDIO_PLL1_CLK, AUDIO_PLL2_CLK,
VIDEO_PLL_CLK, SYSTEM_PLL1_133M_CLK,
OSC_27M_CLK, EXT_CLK_2, EXT_CLK_3}
},
{SPDIF2_CLK_ROOT, IP_CLOCK_SLICE, 18,
{OSC_25M_CLK, AUDIO_PLL1_CLK, AUDIO_PLL2_CLK,
VIDEO_PLL_CLK, SYSTEM_PLL1_133M_CLK,
OSC_27M_CLK, EXT_CLK_3, EXT_CLK_4}
},
{ENET_REF_CLK_ROOT, IP_CLOCK_SLICE, 19,
{OSC_25M_CLK, SYSTEM_PLL2_125M_CLK, SYSTEM_PLL2_50M_CLK,
SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_160M_CLK,
AUDIO_PLL1_CLK, VIDEO_PLL_CLK, EXT_CLK_4}
},
{ENET_TIMER_CLK_ROOT, IP_CLOCK_SLICE, 20,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, AUDIO_PLL1_CLK,
EXT_CLK_1, EXT_CLK_2, EXT_CLK_3, EXT_CLK_4,
VIDEO_PLL_CLK}
},
{ENET_PHY_REF_CLK_ROOT, IP_CLOCK_SLICE, 21,
{OSC_25M_CLK, SYSTEM_PLL2_50M_CLK, SYSTEM_PLL2_125M_CLK,
SYSTEM_PLL2_200M_CLK, SYSTEM_PLL2_500M_CLK,
AUDIO_PLL1_CLK, VIDEO_PLL_CLK, AUDIO_PLL2_CLK}
},
{NAND_CLK_ROOT, IP_CLOCK_SLICE, 22,
{OSC_25M_CLK, SYSTEM_PLL2_500M_CLK, AUDIO_PLL1_CLK,
SYSTEM_PLL1_400M_CLK, AUDIO_PLL2_CLK, SYSTEM_PLL3_CLK,
SYSTEM_PLL2_250M_CLK, VIDEO_PLL_CLK}
},
{QSPI_CLK_ROOT, IP_CLOCK_SLICE, 23,
{OSC_25M_CLK, SYSTEM_PLL1_400M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_500M_CLK, AUDIO_PLL2_CLK,
SYSTEM_PLL1_266M_CLK, SYSTEM_PLL3_CLK, SYSTEM_PLL1_100M_CLK}
},
{USDHC1_CLK_ROOT, IP_CLOCK_SLICE, 24,
{OSC_25M_CLK, SYSTEM_PLL1_400M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_500M_CLK, AUDIO_PLL2_CLK,
SYSTEM_PLL1_266M_CLK, SYSTEM_PLL3_CLK, SYSTEM_PLL1_100M_CLK}
},
{USDHC2_CLK_ROOT, IP_CLOCK_SLICE, 25,
{OSC_25M_CLK, SYSTEM_PLL1_400M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_500M_CLK, AUDIO_PLL2_CLK,
SYSTEM_PLL1_266M_CLK, SYSTEM_PLL3_CLK, SYSTEM_PLL1_100M_CLK}
},
{I2C1_CLK_ROOT, IP_CLOCK_SLICE, 26,
{OSC_25M_CLK, SYSTEM_PLL1_160M_CLK, SYSTEM_PLL2_50M_CLK,
SYSTEM_PLL3_CLK, AUDIO_PLL1_CLK, VIDEO_PLL_CLK,
AUDIO_PLL2_CLK, SYSTEM_PLL1_133M_CLK}
},
{I2C2_CLK_ROOT, IP_CLOCK_SLICE, 27,
{OSC_25M_CLK, SYSTEM_PLL1_160M_CLK, SYSTEM_PLL2_50M_CLK,
SYSTEM_PLL3_CLK, AUDIO_PLL1_CLK, VIDEO_PLL_CLK,
AUDIO_PLL2_CLK, SYSTEM_PLL1_133M_CLK}
},
{I2C3_CLK_ROOT, IP_CLOCK_SLICE, 28,
{OSC_25M_CLK, SYSTEM_PLL1_160M_CLK, SYSTEM_PLL2_50M_CLK,
SYSTEM_PLL3_CLK, AUDIO_PLL1_CLK, VIDEO_PLL_CLK,
AUDIO_PLL2_CLK, SYSTEM_PLL1_133M_CLK}
},
{I2C4_CLK_ROOT, IP_CLOCK_SLICE, 29,
{OSC_25M_CLK, SYSTEM_PLL1_160M_CLK, SYSTEM_PLL2_50M_CLK,
SYSTEM_PLL3_CLK, AUDIO_PLL1_CLK, VIDEO_PLL_CLK,
AUDIO_PLL2_CLK, SYSTEM_PLL1_133M_CLK}
},
{UART1_CLK_ROOT, IP_CLOCK_SLICE, 30,
{OSC_25M_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_25M_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_25M_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_25M_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}
},
{USB_CORE_REF_CLK_ROOT, IP_CLOCK_SLICE, 34,
{OSC_25M_CLK, SYSTEM_PLL1_100M_CLK, SYSTEM_PLL1_40M_CLK,
SYSTEM_PLL2_100M_CLK, SYSTEM_PLL2_200M_CLK,
EXT_CLK_2, EXT_CLK_3, AUDIO_PLL2_CLK}
},
{USB_PHY_REF_CLK_ROOT, IP_CLOCK_SLICE, 35,
{OSC_25M_CLK, SYSTEM_PLL1_100M_CLK, SYSTEM_PLL1_40M_CLK,
SYSTEM_PLL2_100M_CLK, SYSTEM_PLL2_200M_CLK,
EXT_CLK_2, EXT_CLK_3, AUDIO_PLL2_CLK}
},
{GIC_CLK_ROOT, IP_CLOCK_SLICE, 36,
{OSC_25M_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}
},
{ECSPI1_CLK_ROOT, IP_CLOCK_SLICE, 37,
{OSC_25M_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}
},
{ECSPI2_CLK_ROOT, IP_CLOCK_SLICE, 38,
{OSC_25M_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}
},
{PWM1_CLK_ROOT, IP_CLOCK_SLICE, 39,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_160M_CLK,
SYSTEM_PLL1_40M_CLK, SYSTEM_PLL3_CLK, EXT_CLK_1,
SYSTEM_PLL1_80M_CLK, VIDEO_PLL_CLK}
},
{PWM2_CLK_ROOT, IP_CLOCK_SLICE, 40,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_160M_CLK,
SYSTEM_PLL1_40M_CLK, SYSTEM_PLL3_CLK, EXT_CLK_1,
SYSTEM_PLL1_80M_CLK, VIDEO_PLL_CLK}
},
{PWM3_CLK_ROOT, IP_CLOCK_SLICE, 41,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_160M_CLK,
SYSTEM_PLL1_40M_CLK, SYSTEM_PLL3_CLK, EXT_CLK_1,
SYSTEM_PLL1_80M_CLK, VIDEO_PLL_CLK}
},
{PWM4_CLK_ROOT, IP_CLOCK_SLICE, 42,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_160M_CLK,
SYSTEM_PLL1_40M_CLK, SYSTEM_PLL3_CLK, EXT_CLK_1,
SYSTEM_PLL1_80M_CLK, VIDEO_PLL_CLK}
},
{GPT1_CLK_ROOT, IP_CLOCK_SLICE, 43,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_400M_CLK,
SYSTEM_PLL1_40M_CLK, VIDEO_PLL_CLK,
SYSTEM_PLL1_80M_CLK, AUDIO_PLL1_CLK, EXT_CLK_1}
},
{GPT2_CLK_ROOT, IP_CLOCK_SLICE, 44,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_400M_CLK,
SYSTEM_PLL1_40M_CLK, VIDEO_PLL_CLK,
SYSTEM_PLL1_80M_CLK, AUDIO_PLL1_CLK, EXT_CLK_2}
},
{GPT3_CLK_ROOT, IP_CLOCK_SLICE, 45,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_400M_CLK,
SYSTEM_PLL1_40M_CLK, VIDEO_PLL_CLK,
SYSTEM_PLL1_80M_CLK, AUDIO_PLL1_CLK, EXT_CLK_3}
},
{GPT4_CLK_ROOT, IP_CLOCK_SLICE, 46,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_400M_CLK,
SYSTEM_PLL1_40M_CLK, VIDEO_PLL_CLK,
SYSTEM_PLL1_80M_CLK, AUDIO_PLL1_CLK, EXT_CLK_1}
},
{GPT5_CLK_ROOT, IP_CLOCK_SLICE, 47,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_400M_CLK,
SYSTEM_PLL1_40M_CLK, VIDEO_PLL_CLK,
SYSTEM_PLL1_80M_CLK, AUDIO_PLL1_CLK, EXT_CLK_2}
},
{GPT6_CLK_ROOT, IP_CLOCK_SLICE, 48,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_400M_CLK,
SYSTEM_PLL1_40M_CLK, VIDEO_PLL_CLK,
SYSTEM_PLL1_80M_CLK, AUDIO_PLL1_CLK, EXT_CLK_3}
},
{TRACE_CLK_ROOT, IP_CLOCK_SLICE, 49,
{OSC_25M_CLK, SYSTEM_PLL1_133M_CLK, SYSTEM_PLL1_160M_CLK,
VPU_PLL_CLK, SYSTEM_PLL2_125M_CLK,
SYSTEM_PLL3_CLK, EXT_CLK_1, EXT_CLK_3}
},
{WDOG_CLK_ROOT, IP_CLOCK_SLICE, 50,
{OSC_25M_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}
},
{WRCLK_CLK_ROOT, IP_CLOCK_SLICE, 51,
{OSC_25M_CLK, SYSTEM_PLL1_40M_CLK, VPU_PLL_CLK,
SYSTEM_PLL3_CLK, SYSTEM_PLL2_200M_CLK,
SYSTEM_PLL1_266M_CLK, SYSTEM_PLL2_500M_CLK, SYSTEM_PLL1_100M_CLK}
},
{IPP_DO_CLKO1, IP_CLOCK_SLICE, 52,
{OSC_25M_CLK, SYSTEM_PLL1_800M_CLK, OSC_27M_CLK,
SYSTEM_PLL1_200M_CLK, AUDIO_PLL2_CLK,
SYSTEM_PLL2_500M_CLK, VPU_PLL_CLK, SYSTEM_PLL1_80M_CLK}
},
{IPP_DO_CLKO2, IP_CLOCK_SLICE, 53,
{OSC_25M_CLK, SYSTEM_PLL2_200M_CLK, SYSTEM_PLL1_400M_CLK,
SYSTEM_PLL2_166M_CLK, SYSTEM_PLL3_CLK,
AUDIO_PLL1_CLK, VIDEO_PLL_CLK, OSC_32K_CLK}
},
{MIPI_DSI_CORE_CLK_ROOT, IP_CLOCK_SLICE, 54,
{OSC_25M_CLK, SYSTEM_PLL1_266M_CLK, SYSTEM_PLL2_250M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
SYSTEM_PLL3_CLK, AUDIO_PLL2_CLK, VIDEO_PLL_CLK}
},
{MIPI_DSI_PHY_REF_CLK_ROOT, IP_CLOCK_SLICE, 55,
{OSC_25M_CLK, SYSTEM_PLL2_125M_CLK, SYSTEM_PLL2_100M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
EXT_CLK_2, AUDIO_PLL2_CLK, VIDEO_PLL_CLK}
},
{MIPI_DSI_DBI_CLK_ROOT, IP_CLOCK_SLICE, 56,
{OSC_25M_CLK, SYSTEM_PLL1_266M_CLK, SYSTEM_PLL2_100M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
SYSTEM_PLL3_CLK, AUDIO_PLL2_CLK, VIDEO_PLL_CLK}
},
{OLD_MIPI_DSI_ESC_CLK_ROOT, IP_CLOCK_SLICE, 57,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_80M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
SYSTEM_PLL3_CLK, EXT_CLK_3, AUDIO_PLL2_CLK}
},
{MIPI_CSI1_CORE_CLK_ROOT, IP_CLOCK_SLICE, 58,
{OSC_25M_CLK, SYSTEM_PLL1_266M_CLK, SYSTEM_PLL2_250M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
SYSTEM_PLL3_CLK, AUDIO_PLL2_CLK, VIDEO_PLL_CLK}
},
{MIPI_CSI1_PHY_REF_CLK_ROOT, IP_CLOCK_SLICE, 59,
{OSC_25M_CLK, SYSTEM_PLL2_125M_CLK, SYSTEM_PLL2_100M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
EXT_CLK_2, AUDIO_PLL2_CLK, VIDEO_PLL_CLK}
},
{MIPI_CSI1_ESC_CLK_ROOT, IP_CLOCK_SLICE, 60,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_80M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
SYSTEM_PLL3_CLK, EXT_CLK_3, AUDIO_PLL2_CLK}
},
{MIPI_CSI2_CORE_CLK_ROOT, IP_CLOCK_SLICE, 61,
{OSC_25M_CLK, SYSTEM_PLL1_266M_CLK, SYSTEM_PLL2_250M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
SYSTEM_PLL3_CLK, AUDIO_PLL2_CLK, VIDEO_PLL_CLK}
},
{MIPI_CSI2_PHY_REF_CLK_ROOT, IP_CLOCK_SLICE, 62,
{OSC_25M_CLK, SYSTEM_PLL2_125M_CLK, SYSTEM_PLL2_100M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
EXT_CLK_2, AUDIO_PLL2_CLK, VIDEO_PLL_CLK}
},
{MIPI_CSI2_ESC_CLK_ROOT, IP_CLOCK_SLICE, 63,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_80M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
SYSTEM_PLL3_CLK, EXT_CLK_3, AUDIO_PLL2_CLK}
},
{PCIE2_CTRL_CLK_ROOT, IP_CLOCK_SLICE, 64,
{OSC_25M_CLK, SYSTEM_PLL2_250M_CLK, SYSTEM_PLL2_200M_CLK,
SYSTEM_PLL1_266M_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_500M_CLK, SYSTEM_PLL2_333M_CLK, SYSTEM_PLL3_CLK}
},
{PCIE2_PHY_CLK_ROOT, IP_CLOCK_SLICE, 65,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL2_500M_CLK,
EXT_CLK_1, EXT_CLK_2, EXT_CLK_3,
EXT_CLK_4, SYSTEM_PLL1_400M_CLK}
},
{PCIE2_AUX_CLK_ROOT, IP_CLOCK_SLICE, 66,
{OSC_25M_CLK, SYSTEM_PLL2_200M_CLK, SYSTEM_PLL2_50M_CLK,
SYSTEM_PLL3_CLK, SYSTEM_PLL2_100M_CLK,
SYSTEM_PLL1_80M_CLK, SYSTEM_PLL1_160M_CLK, SYSTEM_PLL1_200M_CLK}
},
{ECSPI3_CLK_ROOT, IP_CLOCK_SLICE, 67,
{OSC_25M_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}
},
{OLD_MIPI_DSI_ESC_RX_ROOT, IP_CLOCK_SLICE, 68,
{OSC_25M_CLK, SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_80M_CLK,
SYSTEM_PLL1_800M_CLK, SYSTEM_PLL2_1000M_CLK,
SYSTEM_PLL3_CLK, EXT_CLK_3, AUDIO_PLL2_CLK},
},
{DISPLAY_HDMI_CLK_ROOT, IP_CLOCK_SLICE, 69,
{OSC_25M_CLK, SYSTEM_PLL1_200M_CLK, SYSTEM_PLL2_200M_CLK,
VPU_PLL_CLK, SYSTEM_PLL1_800M_CLK,
SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL3_CLK, EXT_CLK_4}
},
{DRAM_SEL_CFG, DRAM_SEL_CLOCK_SLICE, 0,
{DRAM_PLL1_CLK}
},
{CORE_SEL_CFG, CORE_SEL_CLOCK_SLICE, 0,
{DRAM_PLL1_CLK}
},
};
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 void __iomem *get_clk_root_target(enum clk_slice_type slice_type,
u32 slice_index)
{
void __iomem *clk_root_target;
switch (slice_type) {
case CORE_CLOCK_SLICE:
clk_root_target =
(void __iomem *)&ccm_reg->core_root[slice_index];
break;
case BUS_CLOCK_SLICE:
clk_root_target =
(void __iomem *)&ccm_reg->bus_root[slice_index];
break;
case IP_CLOCK_SLICE:
clk_root_target =
(void __iomem *)&ccm_reg->ip_root[slice_index];
break;
case AHB_CLOCK_SLICE:
clk_root_target =
(void __iomem *)&ccm_reg->ahb_ipg_root[slice_index * 2];
break;
case IPG_CLOCK_SLICE:
clk_root_target =
(void __iomem *)&ccm_reg->ahb_ipg_root[slice_index * 2 + 1];
break;
case CORE_SEL_CLOCK_SLICE:
clk_root_target = (void __iomem *)&ccm_reg->core_sel;
break;
case DRAM_SEL_CLOCK_SLICE:
clk_root_target = (void __iomem *)&ccm_reg->dram_sel;
break;
default:
return NULL;
}
return clk_root_target;
}
int clock_get_target_val(enum clk_root_index clock_id, u32 *val)
{
int root_entry;
struct clk_root_map *p;
void __iomem *clk_root_target;
if (clock_id >= CLK_ROOT_MAX)
return -EINVAL;
root_entry = select(clock_id);
if (root_entry < 0)
return -EINVAL;
p = &root_array[root_entry];
clk_root_target = get_clk_root_target(p->slice_type, p->slice_index);
if (!clk_root_target)
return -EINVAL;
*val = readl(clk_root_target);
return 0;
}
int clock_set_target_val(enum clk_root_index clock_id, u32 val)
{
int root_entry;
struct clk_root_map *p;
void __iomem *clk_root_target;
if (clock_id >= CLK_ROOT_MAX)
return -EINVAL;
root_entry = select(clock_id);
if (root_entry < 0)
return -EINVAL;
p = &root_array[root_entry];
clk_root_target = get_clk_root_target(p->slice_type, p->slice_index);
if (!clk_root_target)
return -EINVAL;
writel(val, clk_root_target);
return 0;
}
int clock_root_enabled(enum clk_root_index clock_id)
{
void __iomem *clk_root_target;
u32 slice_index, slice_type;
u32 val;
int root_entry;
if (clock_id >= CLK_ROOT_MAX)
return -EINVAL;
root_entry = select(clock_id);
if (root_entry < 0)
return -EINVAL;
slice_type = root_array[root_entry].slice_type;
slice_index = root_array[root_entry].slice_index;
if ((slice_type == IPG_CLOCK_SLICE) ||
(slice_type == DRAM_SEL_CLOCK_SLICE) ||
(slice_type == CORE_SEL_CLOCK_SLICE)) {
/*
* Not supported, from CCM doc
* TODO
*/
return 0;
}
clk_root_target = get_clk_root_target(slice_type, slice_index);
if (!clk_root_target)
return -EINVAL;
val = readl(clk_root_target);
return (val & CLK_ROOT_ON) ? 1 : 0;
}
/* CCGR CLK gate operation */
int clock_enable(enum clk_ccgr_index index, bool enable)
{
void __iomem *ccgr;
if (index >= CCGR_MAX)
return -EINVAL;
if (enable)
ccgr = (void __iomem *)&ccm_reg->ccgr_array[index].ccgr_set;
else
ccgr = (void __iomem *)&ccm_reg->ccgr_array[index].ccgr_clr;
writel(CCGR_CLK_ON_MASK, ccgr);
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;
void __iomem *clk_root_target;
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->slice_type == CORE_CLOCK_SLICE) ||
(p->slice_type == IPG_CLOCK_SLICE) ||
(p->slice_type == CORE_SEL_CLOCK_SLICE) ||
(p->slice_type == DRAM_SEL_CLOCK_SLICE)) {
*pre_div = 0;
return 0;
}
clk_root_target = get_clk_root_target(p->slice_type, p->slice_index);
if (!clk_root_target)
return -EINVAL;
val = readl(clk_root_target);
val &= CLK_ROOT_PRE_DIV_MASK;
val >>= CLK_ROOT_PRE_DIV_SHIFT;
*pre_div = val;
return 0;
}
int clock_get_postdiv(enum clk_root_index clock_id,
enum root_post_div *post_div)
{
u32 val, mask;
int root_entry;
struct clk_root_map *p;
void __iomem *clk_root_target;
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->slice_type == CORE_SEL_CLOCK_SLICE) ||
(p->slice_type == DRAM_SEL_CLOCK_SLICE)) {
*post_div = 0;
return 0;
}
clk_root_target = get_clk_root_target(p->slice_type, p->slice_index);
if (!clk_root_target)
return -EINVAL;
if (p->slice_type == IPG_CLOCK_SLICE)
mask = CLK_ROOT_IPG_POST_DIV_MASK;
else if (p->slice_type == CORE_CLOCK_SLICE)
mask = CLK_ROOT_CORE_POST_DIV_MASK;
else
mask = CLK_ROOT_POST_DIV_MASK;
val = readl(clk_root_target);
val &= mask;
val >>= CLK_ROOT_POST_DIV_SHIFT;
*post_div = val;
return 0;
}
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;
void __iomem *clk_root_target;
if (clock_id >= CLK_ROOT_MAX)
return -EINVAL;
root_entry = select(clock_id);
if (root_entry < 0)
return -EINVAL;
p = &root_array[root_entry];
clk_root_target = get_clk_root_target(p->slice_type, p->slice_index);
if (!clk_root_target)
return -EINVAL;
val = readl(clk_root_target);
val &= CLK_ROOT_SRC_MUX_MASK;
val >>= CLK_ROOT_SRC_MUX_SHIFT;
*p_clock_src = p->src_mux[val];
return 0;
}