forked from Imagelibrary/rtems
bsps/imx: Enable clock of ETH2
This commit is contained in:
Christian Mauderer
152
bsps/arm/imx/include/arm/freescale/imx/imx6ul_ccmreg.h
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152
bsps/arm/imx/include/arm/freescale/imx/imx6ul_ccmreg.h
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@@ -0,0 +1,152 @@
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/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (C) 2022 embedded brains GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef IMX6UL_CCMREG_H
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#define IMX6UL_CCMREG_H
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#include <bsp/utility.h>
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typedef struct {
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uint32_t ccr;
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uint32_t ccdr;
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uint32_t csr;
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uint32_t ccsr;
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uint32_t cacrr;
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uint32_t cbcdr;
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uint32_t cbcmr;
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uint32_t cscmr1;
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uint32_t cscmr2;
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uint32_t cscdr1;
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uint32_t cs1cdr;
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uint32_t cs2cdr;
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uint32_t cdcdr;
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uint32_t chsccdr;
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uint32_t cscdr2;
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uint32_t cscdr3;
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uint32_t reserved_40[2];
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uint32_t cdhipr;
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uint32_t reserved_4c[2];
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uint32_t clpcr;
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uint32_t cisr;
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uint32_t cimr;
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uint32_t ccosr;
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uint32_t cgpr;
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uint32_t ccgr0;
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uint32_t ccgr1;
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uint32_t ccgr2;
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uint32_t ccgr3;
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uint32_t ccgr4;
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uint32_t ccgr5;
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uint32_t ccgr6;
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uint32_t reserved_84[1];
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uint32_t cmeor;
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} imx6ul_ccm;
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typedef struct {
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uint32_t pll_arm;
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uint32_t pll_arm_set;
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uint32_t pll_arm_clr;
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uint32_t pll_arm_tog;
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uint32_t pll_usb1;
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uint32_t pll_usb1_set;
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uint32_t pll_usb1_clr;
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uint32_t pll_usb1_tog;
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uint32_t pll_usb2;
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uint32_t pll_usb2_set;
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uint32_t pll_usb2_clr;
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uint32_t pll_usb2_tog;
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uint32_t pll_sys;
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uint32_t pll_sys_set;
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uint32_t pll_sys_clr;
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uint32_t pll_sys_tog;
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uint32_t pll_sys_ss;
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uint32_t reserved_44[3];
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uint32_t pll_sys_num;
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uint32_t reserved_54[3];
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uint32_t pll_sys_denom;
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uint32_t reserved_64[3];
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uint32_t pll_audio;
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uint32_t pll_audio_set;
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uint32_t pll_audio_clr;
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uint32_t pll_audio_tog;
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uint32_t pll_audio_num;
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uint32_t reserved_84[3];
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uint32_t pll_audio_denom;
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uint32_t reserved_94[3];
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uint32_t pll_video;
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uint32_t pll_video_set;
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uint32_t pll_video_clr;
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uint32_t pll_video_tog;
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uint32_t pll_video_num;
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uint32_t reserved_b4[3];
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uint32_t pll_video_denom;
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uint32_t reserved_c4[7];
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uint32_t pll_enet;
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#define IMX6UL_CCM_ANALOG_PLL_ENET_LOCK BSP_BIT32(31)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_ENET_25M_REF_EN BSP_BIT32(21)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_ENET2_125M_EN BSP_BIT32(20)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_ENABLE_125M BSP_BIT32(19)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_PFD_OFFSET_EN BSP_BIT32(18)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_BYPASS BSP_BIT32(16)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_BYPASS_CLK_SRC(val) BSP_FLD32(val, 14, 15)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_BYPASS_CLK_SRC_GET(val) BSP_FLD32GET(val, 14, 15)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_BYPASS_CLK_SRC_SET(val) BSP_FLD32SET(val, 14, 15)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_ENET1_125M_EN BSP_BIT32(13)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_POWERDOWN BSP_BIT32(12)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_ENET1_DIV_SELECT(val) BSP_FLD32(val, 3, 2)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_ENET1_DIV_SELECT_GET(val) BSP_FLD32GET(val, 3, 2)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_ENET1_DIV_SELECT_SET(val) BSP_FLD32SET(val, 3, 2)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_ENET0_DIV_SELECT(val) BSP_FLD32(val, 0, 1)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_ENET0_DIV_SELECT_GET(val) BSP_FLD32GET(val, 0, 1)
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#define IMX6UL_CCM_ANALOG_PLL_ENET_ENET0_DIV_SELECT_SET(val) BSP_FLD32SET(val, 0, 1)
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uint32_t pll_enet_set;
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uint32_t pll_enet_clr;
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uint32_t pll_enet_tog;
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uint32_t pfd_480;
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uint32_t pfd_480_set;
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uint32_t pfd_480_clr;
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uint32_t pfd_480_tog;
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uint32_t pfd_528;
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uint32_t pfd_528_set;
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uint32_t pfd_528_clr;
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uint32_t pfd_528_tog;
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uint32_t reserved_110[16];
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uint32_t misc0;
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uint32_t misc0_set;
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uint32_t misc0_clr;
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uint32_t misc0_tog;
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uint32_t misc1;
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uint32_t misc1_set;
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uint32_t misc1_clr;
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uint32_t misc1_tog;
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uint32_t misc2;
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uint32_t misc2_set;
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uint32_t misc2_clr;
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uint32_t misc2_tog;
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} imx6ul_ccm_analog;
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#endif /* IMX6UL_CCMREG_H */
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@@ -14,6 +14,7 @@
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#include <bsp/linker-symbols.h>
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#include <dev/clock/arm-generic-timer.h>
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#include <libcpu/arm-cp15.h>
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#include <arm/freescale/imx/imx6ul_ccmreg.h>
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#include <libfdt.h>
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@@ -161,6 +162,24 @@ static void imx_find_gic(const void *fdt)
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#endif
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}
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static void imx_ccm_enable_eth2_clk(void)
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{
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const void *fdt = bsp_fdt_get();
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if (imx_is_imx6(fdt)) {
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int node;
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volatile imx6ul_ccm_analog *ccm_analog = NULL;
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node = fdt_node_offset_by_compatible(fdt, -1, "fsl,imx6ul-anatop");
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if (node >= 0) {
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ccm_analog = imx_get_reg_of_node(fdt, node);
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}
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if (ccm_analog != NULL) {
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ccm_analog->pll_enet_set = IMX6UL_CCM_ANALOG_PLL_ENET_ENET2_125M_EN;
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}
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}
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}
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void bsp_start(void)
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{
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imx_find_gic(bsp_fdt_get());
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@@ -169,4 +188,5 @@ void bsp_start(void)
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bsp_section_nocacheheap_begin,
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(uintptr_t) bsp_section_nocacheheap_size
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);
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imx_ccm_enable_eth2_clk();
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}
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@@ -23,6 +23,7 @@ install:
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- bsps/arm/imx/include/arm/freescale/imx/imx_srcreg.h
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- bsps/arm/imx/include/arm/freescale/imx/imx_uartreg.h
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- bsps/arm/imx/include/arm/freescale/imx/imx_wdogreg.h
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- bsps/arm/imx/include/arm/freescale/imx/imx6ul_ccmreg.h
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- bsps/arm/include/arm/freescale/imx/imx_iomuxreg.h
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- bsps/arm/include/arm/freescale/imx/imx_iomuxvar.h
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- destination: ${BSP_INCLUDEDIR}/bsp
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