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![Dinh Nguyen](/assets/img/avatar_default.png)
The mpuclk register in the Altera group of the clock manager divides the mpu_clk that is generated from the C0 output of the main pll. Without this patch, the default value of the register is 1, so the mpuclk will always get divided by 2 if the correct value is not set. For example, on the Arria5 socdk board, the MPU clock is only 525 MHz, and it should be 1.05 GHz. Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
148 lines
4.6 KiB
C
148 lines
4.6 KiB
C
/*
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* Copyright (C) 2015 Marek Vasut <marex@denx.de>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/arch/clock_manager.h>
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#include <qts/pll_config.h>
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#define MAIN_VCO_BASE ( \
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(CONFIG_HPS_MAINPLLGRP_VCO_DENOM << \
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CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET) | \
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(CONFIG_HPS_MAINPLLGRP_VCO_NUMER << \
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CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET) \
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)
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#define PERI_VCO_BASE ( \
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(CONFIG_HPS_PERPLLGRP_VCO_PSRC << \
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CLKMGR_PERPLLGRP_VCO_PSRC_OFFSET) | \
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(CONFIG_HPS_PERPLLGRP_VCO_DENOM << \
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CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET) | \
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(CONFIG_HPS_PERPLLGRP_VCO_NUMER << \
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CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET) \
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)
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#define SDR_VCO_BASE ( \
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(CONFIG_HPS_SDRPLLGRP_VCO_SSRC << \
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CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET) | \
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(CONFIG_HPS_SDRPLLGRP_VCO_DENOM << \
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CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET) | \
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(CONFIG_HPS_SDRPLLGRP_VCO_NUMER << \
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CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET) \
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)
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static const struct cm_config cm_default_cfg = {
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/* main group */
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MAIN_VCO_BASE,
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(CONFIG_HPS_MAINPLLGRP_MPUCLK_CNT <<
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CLKMGR_MAINPLLGRP_MPUCLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_MAINCLK_CNT <<
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CLKMGR_MAINPLLGRP_MAINCLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_DBGATCLK_CNT <<
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CLKMGR_MAINPLLGRP_DBGATCLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_MAINQSPICLK_CNT <<
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CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_MAINNANDSDMMCCLK_CNT <<
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CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_CFGS2FUSER0CLK_CNT <<
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CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_MAINDIV_L3MPCLK <<
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CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_OFFSET) |
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(CONFIG_HPS_MAINPLLGRP_MAINDIV_L3SPCLK <<
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CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_OFFSET) |
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(CONFIG_HPS_MAINPLLGRP_MAINDIV_L4MPCLK <<
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CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_OFFSET) |
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(CONFIG_HPS_MAINPLLGRP_MAINDIV_L4SPCLK <<
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CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGATCLK <<
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CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_OFFSET) |
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(CONFIG_HPS_MAINPLLGRP_DBGDIV_DBGCLK <<
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CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_TRACEDIV_TRACECLK <<
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CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_OFFSET),
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(CONFIG_HPS_MAINPLLGRP_L4SRC_L4MP <<
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CLKMGR_MAINPLLGRP_L4SRC_L4MP_OFFSET) |
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(CONFIG_HPS_MAINPLLGRP_L4SRC_L4SP <<
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CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET),
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/* peripheral group */
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PERI_VCO_BASE,
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(CONFIG_HPS_PERPLLGRP_EMAC0CLK_CNT <<
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CLKMGR_PERPLLGRP_EMAC0CLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_EMAC1CLK_CNT <<
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CLKMGR_PERPLLGRP_EMAC1CLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_PERQSPICLK_CNT <<
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CLKMGR_PERPLLGRP_PERQSPICLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_PERNANDSDMMCCLK_CNT <<
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CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_PERBASECLK_CNT <<
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CLKMGR_PERPLLGRP_PERBASECLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_S2FUSER1CLK_CNT <<
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CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_OFFSET),
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(CONFIG_HPS_PERPLLGRP_DIV_USBCLK <<
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CLKMGR_PERPLLGRP_DIV_USBCLK_OFFSET) |
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(CONFIG_HPS_PERPLLGRP_DIV_SPIMCLK <<
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CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET) |
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(CONFIG_HPS_PERPLLGRP_DIV_CAN0CLK <<
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CLKMGR_PERPLLGRP_DIV_CAN0CLK_OFFSET) |
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(CONFIG_HPS_PERPLLGRP_DIV_CAN1CLK <<
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CLKMGR_PERPLLGRP_DIV_CAN1CLK_OFFSET),
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(CONFIG_HPS_PERPLLGRP_GPIODIV_GPIODBCLK <<
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CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_OFFSET),
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(CONFIG_HPS_PERPLLGRP_SRC_QSPI <<
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CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET) |
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(CONFIG_HPS_PERPLLGRP_SRC_NAND <<
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CLKMGR_PERPLLGRP_SRC_NAND_OFFSET) |
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(CONFIG_HPS_PERPLLGRP_SRC_SDMMC <<
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CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET),
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/* sdram pll group */
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SDR_VCO_BASE,
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(CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_PHASE <<
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CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_OFFSET) |
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(CONFIG_HPS_SDRPLLGRP_DDRDQSCLK_CNT <<
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CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET),
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(CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_PHASE <<
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CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_OFFSET) |
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(CONFIG_HPS_SDRPLLGRP_DDR2XDQSCLK_CNT <<
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CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_OFFSET),
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(CONFIG_HPS_SDRPLLGRP_DDRDQCLK_PHASE <<
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CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_OFFSET) |
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(CONFIG_HPS_SDRPLLGRP_DDRDQCLK_CNT <<
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CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_OFFSET),
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(CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_PHASE <<
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CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_OFFSET) |
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(CONFIG_HPS_SDRPLLGRP_S2FUSER2CLK_CNT <<
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CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_OFFSET),
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/* altera group */
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CONFIG_HPS_ALTERAGRP_MPUCLK,
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};
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const struct cm_config * const cm_get_default_config(void)
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{
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return &cm_default_cfg;
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}
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const unsigned int cm_get_osc_clk_hz(const int osc)
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{
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if (osc == 1)
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return CONFIG_HPS_CLK_OSC1_HZ;
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else if (osc == 2)
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return CONFIG_HPS_CLK_OSC2_HZ;
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else
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return 0;
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}
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const unsigned int cm_get_f2s_per_ref_clk_hz(void)
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{
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return CONFIG_HPS_CLK_F2S_PER_REF_HZ;
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}
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const unsigned int cm_get_f2s_sdr_ref_clk_hz(void)
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{
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return CONFIG_HPS_CLK_F2S_SDR_REF_HZ;
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}
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