Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Signed-off-by: Tom Rini <trini@konsulko.com> Conflicts: configs/bk4r1_defconfig configs/colibri_vf_defconfig configs/pcm052_defconfig include/configs/colibri_vf.h include/configs/pcm052.h
This commit is contained in:
@@ -12,7 +12,7 @@ obj-y += cache_v7.o cache_v7_asm.o
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obj-y += cpu.o cp15.o
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obj-y += syslib.o
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ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_MX7)$(CONFIG_TI81XX)$(CONFIG_AT91FAMILY)$(CONFIG_ARCH_SUNXI)$(CONFIG_ARCH_SOCFPGA)$(CONFIG_LS102XA),)
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ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_MX7)$(CONFIG_TI81XX)$(CONFIG_AT91FAMILY)$(CONFIG_ARCH_SUNXI)$(CONFIG_ARCH_SOCFPGA)$(CONFIG_ARCH_MX7ULP)$(CONFIG_LS102XA),)
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ifneq ($(CONFIG_SKIP_LOWLEVEL_INIT),y)
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obj-y += lowlevel_init.o
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endif
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@@ -37,6 +37,7 @@ obj-$(if $(filter ls102xa,$(SOC)),y) += ls102xa/
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obj-$(if $(filter mx5,$(SOC)),y) += mx5/
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obj-$(CONFIG_MX6) += mx6/
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obj-$(CONFIG_MX7) += mx7/
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obj-$(CONFIG_ARCH_MX7ULP) += mx7ulp/
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obj-$(CONFIG_RMOBILE) += rmobile/
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obj-$(if $(filter stv0991,$(SOC)),y) += stv0991/
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obj-$(CONFIG_ARCH_SUNXI) += sunxi/
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@@ -46,6 +46,16 @@ config MX6UL_LITESOM
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select DM_THERMAL
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select SUPPORT_SPL
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config MX6UL_OPOS6UL
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bool
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select MX6UL
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select BOARD_LATE_INIT
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select DM
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select DM_GPIO
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select DM_MMC
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select DM_THERMAL
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select SUPPORT_SPL
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config MX6ULL
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bool
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select MX6UL
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@@ -241,6 +251,17 @@ config TARGET_MX6UL_GEAM
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select DM_MMC
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select DM_THERMAL
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select SUPPORT_SPL
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config TARGET_MX6UL_ISIOT
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bool "Support Engicam Is.IoT MX6UL"
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select MX6UL
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select OF_CONTROL
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select DM
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select DM_ETH
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select DM_GPIO
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select DM_I2C
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select DM_MMC
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select DM_THERMAL
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select SUPPORT_SPL
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config TARGET_MX6ULL_14X14_EVK
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bool "Support mx6ull_14x14_evk"
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@@ -252,6 +273,10 @@ config TARGET_MX6ULL_14X14_EVK
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config TARGET_NITROGEN6X
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bool "nitrogen6x"
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config TARGET_OPOS6ULDEV
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bool "Armadeus OPOS6ULDev board"
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select MX6UL_OPOS6UL
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config TARGET_OT1200
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bool "Bachmann OT1200"
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select SUPPORT_SPL
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@@ -350,6 +375,7 @@ config SYS_SOC
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source "board/ge/bx50v3/Kconfig"
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source "board/advantech/dms-ba16/Kconfig"
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source "board/aristainetos/Kconfig"
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source "board/armadeus/opos6uldev/Kconfig"
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source "board/bachmann/ot1200/Kconfig"
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source "board/barco/platinum/Kconfig"
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source "board/barco/titanium/Kconfig"
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@@ -362,6 +388,7 @@ source "board/embest/mx6boards/Kconfig"
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source "board/engicam/geam6ul/Kconfig"
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source "board/engicam/icorem6/Kconfig"
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source "board/engicam/icorem6_rqs/Kconfig"
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source "board/engicam/isiotmx6ul/Kconfig"
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source "board/freescale/mx6qarm2/Kconfig"
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source "board/freescale/mx6qsabreauto/Kconfig"
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source "board/freescale/mx6sabresd/Kconfig"
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@@ -11,3 +11,4 @@ obj-y := soc.o clock.o
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obj-$(CONFIG_SPL_BUILD) += ddr.o
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obj-$(CONFIG_MP) += mp.o
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obj-$(CONFIG_MX6UL_LITESOM) += litesom.o
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obj-$(CONFIG_MX6UL_OPOS6UL) += opos6ul.o
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302
arch/arm/cpu/armv7/mx6/opos6ul.c
Normal file
302
arch/arm/cpu/armv7/mx6/opos6ul.c
Normal file
@@ -0,0 +1,302 @@
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/*
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* Copyright (C) 2017 Armadeus Systems
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <asm/arch/clock.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/mx6-pins.h>
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#include <asm/arch/mx6ul_pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/gpio.h>
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#include <asm/imx-common/iomux-v3.h>
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#include <asm/io.h>
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#include <common.h>
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#include <environment.h>
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#include <fsl_esdhc.h>
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#include <mmc.h>
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DECLARE_GLOBAL_DATA_PTR;
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#ifdef CONFIG_FEC_MXC
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#include <miiphy.h>
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#define MDIO_PAD_CTRL ( \
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PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm \
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)
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#define ENET_PAD_CTRL_PU ( \
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PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm \
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)
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#define ENET_PAD_CTRL_PD ( \
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PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm \
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)
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#define ENET_CLK_PAD_CTRL ( \
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PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_LOW | \
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PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST \
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)
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static iomux_v3_cfg_t const fec1_pads[] = {
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MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
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MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(MDIO_PAD_CTRL),
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MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
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MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
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MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
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MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
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MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL_PU),
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MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL_PU),
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MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL_PU),
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/* PHY Int */
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MX6_PAD_NAND_DQS__GPIO4_IO16 | MUX_PAD_CTRL(ENET_PAD_CTRL_PU),
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/* PHY Reset */
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MX6_PAD_NAND_DATA00__GPIO4_IO02 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
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MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
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};
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int board_phy_config(struct phy_device *phydev)
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{
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
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if (phydev->drv->config)
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phydev->drv->config(phydev);
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
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struct gpio_desc rst;
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int ret;
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/* Use 50M anatop loopback REF_CLK1 for ENET1,
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* clear gpr1[13], set gpr1[17] */
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clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
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IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
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ret = enable_fec_anatop_clock(0, ENET_50MHZ);
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if (ret)
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return ret;
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enable_enet_clk(1);
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imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
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ret = dm_gpio_lookup_name("GPIO4_2", &rst);
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if (ret) {
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printf("Cannot get GPIO4_2\n");
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return ret;
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}
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ret = dm_gpio_request(&rst, "phy-rst");
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if (ret) {
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printf("Cannot request GPIO4_2\n");
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return ret;
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}
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dm_gpio_set_dir_flags(&rst, GPIOD_IS_OUT);
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dm_gpio_set_value(&rst, 0);
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udelay(1000);
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dm_gpio_set_value(&rst, 1);
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return fecmxc_initialize(bis);
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}
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#endif /* CONFIG_FEC_MXC */
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int board_init(void)
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{
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/* Address of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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return 0;
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}
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int __weak opos6ul_board_late_init(void)
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{
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return 0;
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}
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int board_late_init(void)
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{
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struct src *psrc = (struct src *)SRC_BASE_ADDR;
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unsigned reg = readl(&psrc->sbmr2);
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/* In bootstrap don't use the env vars */
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if (((reg & 0x3000000) >> 24) == 0x1) {
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set_default_env(NULL);
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setenv("preboot", "");
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}
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return opos6ul_board_late_init();
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}
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int board_mmc_getcd(struct mmc *mmc)
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{
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struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
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return cfg->esdhc_base == USDHC1_BASE_ADDR;
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}
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int dram_init(void)
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{
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gd->ram_size = imx_ddr_size();
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return 0;
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}
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#ifdef CONFIG_SPL_BUILD
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#include <asm/arch/mx6-ddr.h>
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#include <asm/arch/opos6ul.h>
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#include <libfdt.h>
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#include <spl.h>
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#define USDHC_PAD_CTRL ( \
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PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST \
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)
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struct fsl_esdhc_cfg usdhc_cfg[1] = {
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{USDHC1_BASE_ADDR, 0, 8},
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};
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static iomux_v3_cfg_t const usdhc1_pads[] = {
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MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_READY_B__USDHC1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_CE0_B__USDHC1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_CE1_B__USDHC1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX6_PAD_NAND_CLE__USDHC1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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};
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static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = {
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.grp_addds = 0x00000030,
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.grp_ddrmode_ctl = 0x00020000,
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.grp_b0ds = 0x00000030,
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.grp_ctlds = 0x00000030,
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.grp_b1ds = 0x00000030,
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.grp_ddrpke = 0x00000000,
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.grp_ddrmode = 0x00020000,
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.grp_ddr_type = 0x000c0000,
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};
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static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
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.dram_dqm0 = 0x00000030,
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.dram_dqm1 = 0x00000030,
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.dram_ras = 0x00000030,
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.dram_cas = 0x00000030,
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.dram_odt0 = 0x00000030,
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.dram_odt1 = 0x00000030,
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.dram_sdba2 = 0x00000000,
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.dram_sdclk_0 = 0x00000008,
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.dram_sdqs0 = 0x00000038,
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.dram_sdqs1 = 0x00000030,
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.dram_reset = 0x00000030,
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};
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static struct mx6_mmdc_calibration mx6_mmcd_calib = {
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.p0_mpwldectrl0 = 0x00070007,
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.p0_mpdgctrl0 = 0x41490145,
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.p0_mprddlctl = 0x40404546,
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.p0_mpwrdlctl = 0x4040524D,
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};
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struct mx6_ddr_sysinfo ddr_sysinfo = {
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.dsize = 0,
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.cs_density = 20,
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.ncs = 1,
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.cs1_mirror = 0,
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.rtt_wr = 2,
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.rtt_nom = 1, /* RTT_Nom = RZQ/2 */
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.walat = 1, /* Write additional latency */
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.ralat = 5, /* Read additional latency */
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.mif3_mode = 3, /* Command prediction working mode */
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.bi_on = 1, /* Bank interleaving enabled */
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.sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
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.rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
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.ddr_type = DDR_TYPE_DDR3,
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};
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static struct mx6_ddr3_cfg mem_ddr = {
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.mem_speed = 800,
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.density = 2,
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.width = 16,
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.banks = 8,
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.rowaddr = 14,
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.coladdr = 10,
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.pagesz = 2,
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.trcd = 1500,
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.trcmin = 5250,
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.trasmin = 3750,
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};
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int board_mmc_init(bd_t *bis)
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{
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imx_iomux_v3_setup_multiple_pads(usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
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usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
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return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
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}
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static void ccgr_init(void)
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{
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struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
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writel(0xFFFFFFFF, &ccm->CCGR0);
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writel(0xFFFFFFFF, &ccm->CCGR1);
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writel(0xFFFFFFFF, &ccm->CCGR2);
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writel(0xFFFFFFFF, &ccm->CCGR3);
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writel(0xFFFFFFFF, &ccm->CCGR4);
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writel(0xFFFFFFFF, &ccm->CCGR5);
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writel(0xFFFFFFFF, &ccm->CCGR6);
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writel(0xFFFFFFFF, &ccm->CCGR7);
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}
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static void spl_dram_init(void)
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{
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struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
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struct fuse_bank *bank = &ocotp->bank[4];
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struct fuse_bank4_regs *fuse =
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(struct fuse_bank4_regs *)bank->fuse_regs;
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int reg = readl(&fuse->gp1);
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|
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/* 512MB of RAM */
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if (reg & 0x1) {
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mem_ddr.density = 4;
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mem_ddr.rowaddr = 15;
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mem_ddr.trcd = 1375;
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mem_ddr.trcmin = 4875;
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mem_ddr.trasmin = 3500;
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}
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|
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mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
|
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mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);
|
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}
|
||||
|
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void board_init_f(ulong dummy)
|
||||
{
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ccgr_init();
|
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|
||||
/* setup AIPS and disable watchdog */
|
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arch_cpu_init();
|
||||
|
||||
/* setup GP timer */
|
||||
timer_init();
|
||||
|
||||
/* UART clocks enabled and gd valid - init serial console */
|
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opos6ul_setup_uart_debug();
|
||||
preloader_console_init();
|
||||
|
||||
/* DDR initialization */
|
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spl_dram_init();
|
||||
}
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#endif /* CONFIG_SPL_BUILD */
|
||||
@@ -103,8 +103,9 @@ struct imx_sec_config_fuse_t const imx_sec_config_fuse = {
|
||||
*/
|
||||
#define OCOTP_TESTER3_SPEED_SHIFT 8
|
||||
#define OCOTP_TESTER3_SPEED_800MHZ 0
|
||||
#define OCOTP_TESTER3_SPEED_850MHZ 1
|
||||
#define OCOTP_TESTER3_SPEED_500MHZ 1
|
||||
#define OCOTP_TESTER3_SPEED_1GHZ 2
|
||||
#define OCOTP_TESTER3_SPEED_1P2GHZ 3
|
||||
|
||||
u32 get_cpu_speed_grade_hz(void)
|
||||
{
|
||||
@@ -120,11 +121,13 @@ u32 get_cpu_speed_grade_hz(void)
|
||||
|
||||
switch(val) {
|
||||
case OCOTP_TESTER3_SPEED_800MHZ:
|
||||
return 792000000;
|
||||
case OCOTP_TESTER3_SPEED_850MHZ:
|
||||
return 852000000;
|
||||
return 800000000;
|
||||
case OCOTP_TESTER3_SPEED_500MHZ:
|
||||
return 500000000;
|
||||
case OCOTP_TESTER3_SPEED_1GHZ:
|
||||
return 996000000;
|
||||
return 1000000000;
|
||||
case OCOTP_TESTER3_SPEED_1P2GHZ:
|
||||
return 1200000000;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
17
arch/arm/cpu/armv7/mx7ulp/Kconfig
Normal file
17
arch/arm/cpu/armv7/mx7ulp/Kconfig
Normal file
@@ -0,0 +1,17 @@
|
||||
if ARCH_MX7ULP
|
||||
|
||||
config SYS_SOC
|
||||
default "mx7ulp"
|
||||
|
||||
choice
|
||||
prompt "MX7ULP board select"
|
||||
optional
|
||||
|
||||
config TARGET_MX7ULP_EVK
|
||||
bool "Support mx7ulp EVK board"
|
||||
|
||||
endchoice
|
||||
|
||||
source "board/freescale/mx7ulp_evk/Kconfig"
|
||||
|
||||
endif
|
||||
8
arch/arm/cpu/armv7/mx7ulp/Makefile
Normal file
8
arch/arm/cpu/armv7/mx7ulp/Makefile
Normal file
@@ -0,0 +1,8 @@
|
||||
#
|
||||
# (C) Copyright 2016 Freescale Semiconductor, Inc.
|
||||
#
|
||||
# SPDX-License-Identifier: GPL-2.0+
|
||||
#
|
||||
#
|
||||
|
||||
obj-y := soc.o clock.o iomux.o pcc.o scg.o
|
||||
365
arch/arm/cpu/armv7/mx7ulp/clock.c
Normal file
365
arch/arm/cpu/armv7/mx7ulp/clock.c
Normal file
@@ -0,0 +1,365 @@
|
||||
/*
|
||||
* Copyright (C) 2016 Freescale Semiconductor, Inc.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <div64.h>
|
||||
#include <asm/io.h>
|
||||
#include <errno.h>
|
||||
#include <asm/arch/clock.h>
|
||||
#include <asm/arch/sys_proto.h>
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
int get_clocks(void)
|
||||
{
|
||||
#ifdef CONFIG_FSL_ESDHC
|
||||
#if CONFIG_SYS_FSL_ESDHC_ADDR == USDHC0_RBASE
|
||||
gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
|
||||
#elif CONFIG_SYS_FSL_ESDHC_ADDR == USDHC1_RBASE
|
||||
gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
|
||||
#endif
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
||||
static u32 get_fast_plat_clk(void)
|
||||
{
|
||||
return scg_clk_get_rate(SCG_NIC0_CLK);
|
||||
}
|
||||
|
||||
static u32 get_slow_plat_clk(void)
|
||||
{
|
||||
return scg_clk_get_rate(SCG_NIC1_CLK);
|
||||
}
|
||||
|
||||
static u32 get_ipg_clk(void)
|
||||
{
|
||||
return scg_clk_get_rate(SCG_NIC1_BUS_CLK);
|
||||
}
|
||||
|
||||
u32 get_lpuart_clk(void)
|
||||
{
|
||||
int index = 0;
|
||||
|
||||
const u32 lpuart_array[] = {
|
||||
LPUART0_RBASE,
|
||||
LPUART1_RBASE,
|
||||
LPUART2_RBASE,
|
||||
LPUART3_RBASE,
|
||||
LPUART4_RBASE,
|
||||
LPUART5_RBASE,
|
||||
LPUART6_RBASE,
|
||||
LPUART7_RBASE,
|
||||
};
|
||||
|
||||
const enum pcc_clk lpuart_pcc_clks[] = {
|
||||
PER_CLK_LPUART4,
|
||||
PER_CLK_LPUART5,
|
||||
PER_CLK_LPUART6,
|
||||
PER_CLK_LPUART7,
|
||||
};
|
||||
|
||||
for (index = 0; index < 8; index++) {
|
||||
if (lpuart_array[index] == LPUART_BASE)
|
||||
break;
|
||||
}
|
||||
|
||||
if (index < 4 || index > 7)
|
||||
return 0;
|
||||
|
||||
return pcc_clock_get_rate(lpuart_pcc_clks[index - 4]);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_SYS_LPI2C_IMX
|
||||
int enable_i2c_clk(unsigned char enable, unsigned i2c_num)
|
||||
{
|
||||
/* Set parent to FIRC DIV2 clock */
|
||||
const enum pcc_clk lpi2c_pcc_clks[] = {
|
||||
PER_CLK_LPI2C4,
|
||||
PER_CLK_LPI2C5,
|
||||
PER_CLK_LPI2C6,
|
||||
PER_CLK_LPI2C7,
|
||||
};
|
||||
|
||||
if (i2c_num < 4 || i2c_num > 7)
|
||||
return -EINVAL;
|
||||
|
||||
if (enable) {
|
||||
pcc_clock_enable(lpi2c_pcc_clks[i2c_num - 4], false);
|
||||
pcc_clock_sel(lpi2c_pcc_clks[i2c_num - 4], SCG_FIRC_DIV2_CLK);
|
||||
pcc_clock_enable(lpi2c_pcc_clks[i2c_num - 4], true);
|
||||
} else {
|
||||
pcc_clock_enable(lpi2c_pcc_clks[i2c_num - 4], false);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
u32 imx_get_i2cclk(unsigned i2c_num)
|
||||
{
|
||||
const enum pcc_clk lpi2c_pcc_clks[] = {
|
||||
PER_CLK_LPI2C4,
|
||||
PER_CLK_LPI2C5,
|
||||
PER_CLK_LPI2C6,
|
||||
PER_CLK_LPI2C7,
|
||||
};
|
||||
|
||||
if (i2c_num < 4 || i2c_num > 7)
|
||||
return 0;
|
||||
|
||||
return pcc_clock_get_rate(lpi2c_pcc_clks[i2c_num - 4]);
|
||||
}
|
||||
#endif
|
||||
|
||||
unsigned int mxc_get_clock(enum mxc_clock clk)
|
||||
{
|
||||
switch (clk) {
|
||||
case MXC_ARM_CLK:
|
||||
return scg_clk_get_rate(SCG_CORE_CLK);
|
||||
case MXC_AXI_CLK:
|
||||
return get_fast_plat_clk();
|
||||
case MXC_AHB_CLK:
|
||||
return get_slow_plat_clk();
|
||||
case MXC_IPG_CLK:
|
||||
return get_ipg_clk();
|
||||
case MXC_I2C_CLK:
|
||||
return pcc_clock_get_rate(PER_CLK_LPI2C4);
|
||||
case MXC_UART_CLK:
|
||||
return get_lpuart_clk();
|
||||
case MXC_ESDHC_CLK:
|
||||
return pcc_clock_get_rate(PER_CLK_USDHC0);
|
||||
case MXC_ESDHC2_CLK:
|
||||
return pcc_clock_get_rate(PER_CLK_USDHC1);
|
||||
case MXC_DDR_CLK:
|
||||
return scg_clk_get_rate(SCG_DDR_CLK);
|
||||
default:
|
||||
printf("Unsupported mxc_clock %d\n", clk);
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void init_clk_usdhc(u32 index)
|
||||
{
|
||||
switch (index) {
|
||||
case 0:
|
||||
/*Disable the clock before configure it */
|
||||
pcc_clock_enable(PER_CLK_USDHC0, false);
|
||||
|
||||
/* 158MHz / 1 = 158MHz */
|
||||
pcc_clock_sel(PER_CLK_USDHC0, SCG_NIC1_CLK);
|
||||
pcc_clock_div_config(PER_CLK_USDHC0, false, 1);
|
||||
pcc_clock_enable(PER_CLK_USDHC0, true);
|
||||
break;
|
||||
case 1:
|
||||
/*Disable the clock before configure it */
|
||||
pcc_clock_enable(PER_CLK_USDHC1, false);
|
||||
|
||||
/* 158MHz / 1 = 158MHz */
|
||||
pcc_clock_sel(PER_CLK_USDHC1, SCG_NIC1_CLK);
|
||||
pcc_clock_div_config(PER_CLK_USDHC1, false, 1);
|
||||
pcc_clock_enable(PER_CLK_USDHC1, true);
|
||||
break;
|
||||
default:
|
||||
printf("Invalid index for USDHC %d\n", index);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef CONFIG_MXC_OCOTP
|
||||
|
||||
#define OCOTP_CTRL_PCC1_SLOT (38)
|
||||
#define OCOTP_CTRL_HIGH4K_PCC1_SLOT (39)
|
||||
|
||||
void enable_ocotp_clk(unsigned char enable)
|
||||
{
|
||||
u32 val;
|
||||
|
||||
/*
|
||||
* Seems the OCOTP CLOCKs have been enabled at default,
|
||||
* check its inuse flag
|
||||
*/
|
||||
|
||||
val = readl(PCC1_RBASE + 4 * OCOTP_CTRL_PCC1_SLOT);
|
||||
if (!(val & PCC_INUSE_MASK))
|
||||
writel(PCC_CGC_MASK, (PCC1_RBASE + 4 * OCOTP_CTRL_PCC1_SLOT));
|
||||
|
||||
val = readl(PCC1_RBASE + 4 * OCOTP_CTRL_HIGH4K_PCC1_SLOT);
|
||||
if (!(val & PCC_INUSE_MASK))
|
||||
writel(PCC_CGC_MASK,
|
||||
(PCC1_RBASE + 4 * OCOTP_CTRL_HIGH4K_PCC1_SLOT));
|
||||
}
|
||||
#endif
|
||||
|
||||
void enable_usboh3_clk(unsigned char enable)
|
||||
{
|
||||
if (enable) {
|
||||
pcc_clock_enable(PER_CLK_USB0, false);
|
||||
pcc_clock_sel(PER_CLK_USB0, SCG_NIC1_BUS_CLK);
|
||||
pcc_clock_enable(PER_CLK_USB0, true);
|
||||
|
||||
#ifdef CONFIG_USB_MAX_CONTROLLER_COUNT
|
||||
if (CONFIG_USB_MAX_CONTROLLER_COUNT > 1) {
|
||||
pcc_clock_enable(PER_CLK_USB1, false);
|
||||
pcc_clock_sel(PER_CLK_USB1, SCG_NIC1_BUS_CLK);
|
||||
pcc_clock_enable(PER_CLK_USB1, true);
|
||||
}
|
||||
#endif
|
||||
|
||||
pcc_clock_enable(PER_CLK_USB_PHY, true);
|
||||
pcc_clock_enable(PER_CLK_USB_PL301, true);
|
||||
} else {
|
||||
pcc_clock_enable(PER_CLK_USB0, false);
|
||||
pcc_clock_enable(PER_CLK_USB1, false);
|
||||
pcc_clock_enable(PER_CLK_USB_PHY, false);
|
||||
pcc_clock_enable(PER_CLK_USB_PL301, false);
|
||||
}
|
||||
}
|
||||
|
||||
static void lpuart_set_clk(uint32_t index, enum scg_clk clk)
|
||||
{
|
||||
const enum pcc_clk lpuart_pcc_clks[] = {
|
||||
PER_CLK_LPUART4,
|
||||
PER_CLK_LPUART5,
|
||||
PER_CLK_LPUART6,
|
||||
PER_CLK_LPUART7,
|
||||
};
|
||||
|
||||
if (index < 4 || index > 7)
|
||||
return;
|
||||
|
||||
#ifndef CONFIG_CLK_DEBUG
|
||||
pcc_clock_enable(lpuart_pcc_clks[index - 4], false);
|
||||
#endif
|
||||
pcc_clock_sel(lpuart_pcc_clks[index - 4], clk);
|
||||
pcc_clock_enable(lpuart_pcc_clks[index - 4], true);
|
||||
}
|
||||
|
||||
static void init_clk_lpuart(void)
|
||||
{
|
||||
u32 index = 0, i;
|
||||
|
||||
const u32 lpuart_array[] = {
|
||||
LPUART0_RBASE,
|
||||
LPUART1_RBASE,
|
||||
LPUART2_RBASE,
|
||||
LPUART3_RBASE,
|
||||
LPUART4_RBASE,
|
||||
LPUART5_RBASE,
|
||||
LPUART6_RBASE,
|
||||
LPUART7_RBASE,
|
||||
};
|
||||
|
||||
for (i = 0; i < 8; i++) {
|
||||
if (lpuart_array[i] == LPUART_BASE) {
|
||||
index = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
lpuart_set_clk(index, SCG_SOSC_DIV2_CLK);
|
||||
}
|
||||
|
||||
static void init_clk_rgpio2p(void)
|
||||
{
|
||||
/*Enable RGPIO2P1 clock */
|
||||
pcc_clock_enable(PER_CLK_RGPIO2P1, true);
|
||||
|
||||
/*
|
||||
* Hard code to enable RGPIO2P0 clock since it is not
|
||||
* in clock frame for A7 domain
|
||||
*/
|
||||
writel(PCC_CGC_MASK, (PCC0_RBASE + 0x3C));
|
||||
}
|
||||
|
||||
/* Configure PLL/PFD freq */
|
||||
void clock_init(void)
|
||||
{
|
||||
/*
|
||||
* ROM has enabled clocks:
|
||||
* A4 side: SIRC 16Mhz (DIV1-3 off), FIRC 48Mhz (DIV1-2 on),
|
||||
* Non-LP-boot: SOSC, SPLL PFD0 (scs selected)
|
||||
* A7 side: SPLL PFD0 (scs selected, 413Mhz),
|
||||
* APLL PFD0 (352Mhz), DDRCLK, all NIC clocks
|
||||
* A7 Plat0 (NIC0) = 176Mhz, Plat1 (NIC1) = 176Mhz,
|
||||
* IP BUS (NIC1_BUS) = 58.6Mhz
|
||||
*
|
||||
* In u-boot:
|
||||
* 1. Enable PFD1-3 of APLL for A7 side. Enable FIRC and DIVs.
|
||||
* 2. Enable USB PLL
|
||||
* 3. Init the clocks of peripherals used in u-boot bu
|
||||
* without set rate interface.The clocks for these
|
||||
* peripherals are enabled in this intialization.
|
||||
* 4.Other peripherals with set clock rate interface
|
||||
* does not be set in this function.
|
||||
*/
|
||||
|
||||
scg_a7_firc_init();
|
||||
|
||||
scg_a7_soscdiv_init();
|
||||
|
||||
/* APLL PFD1 = 270Mhz, PFD2=480Mhz, PFD3=800Mhz */
|
||||
scg_enable_pll_pfd(SCG_APLL_PFD1_CLK, 35);
|
||||
scg_enable_pll_pfd(SCG_APLL_PFD2_CLK, 20);
|
||||
scg_enable_pll_pfd(SCG_APLL_PFD3_CLK, 12);
|
||||
|
||||
init_clk_lpuart();
|
||||
|
||||
init_clk_rgpio2p();
|
||||
|
||||
enable_usboh3_clk(1);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_SECURE_BOOT
|
||||
void hab_caam_clock_enable(unsigned char enable)
|
||||
{
|
||||
if (enable)
|
||||
pcc_clock_enable(PER_CLK_CAAM, true);
|
||||
else
|
||||
pcc_clock_enable(PER_CLK_CAAM, false);
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Dump some core clockes.
|
||||
*/
|
||||
int do_mx7_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
||||
{
|
||||
u32 addr = 0;
|
||||
u32 freq;
|
||||
freq = decode_pll(PLL_A7_SPLL);
|
||||
printf("PLL_A7_SPLL %8d MHz\n", freq / 1000000);
|
||||
|
||||
freq = decode_pll(PLL_A7_APLL);
|
||||
printf("PLL_A7_APLL %8d MHz\n", freq / 1000000);
|
||||
|
||||
freq = decode_pll(PLL_USB);
|
||||
printf("PLL_USB %8d MHz\n", freq / 1000000);
|
||||
|
||||
printf("\n");
|
||||
|
||||
printf("CORE %8d kHz\n", scg_clk_get_rate(SCG_CORE_CLK) / 1000);
|
||||
printf("IPG %8d kHz\n", mxc_get_clock(MXC_IPG_CLK) / 1000);
|
||||
printf("UART %8d kHz\n", mxc_get_clock(MXC_UART_CLK) / 1000);
|
||||
printf("AHB %8d kHz\n", mxc_get_clock(MXC_AHB_CLK) / 1000);
|
||||
printf("AXI %8d kHz\n", mxc_get_clock(MXC_AXI_CLK) / 1000);
|
||||
printf("DDR %8d kHz\n", mxc_get_clock(MXC_DDR_CLK) / 1000);
|
||||
printf("USDHC1 %8d kHz\n", mxc_get_clock(MXC_ESDHC_CLK) / 1000);
|
||||
printf("USDHC2 %8d kHz\n", mxc_get_clock(MXC_ESDHC2_CLK) / 1000);
|
||||
printf("I2C4 %8d kHz\n", mxc_get_clock(MXC_I2C_CLK) / 1000);
|
||||
|
||||
addr = (u32) clock_init;
|
||||
printf("[%s] addr = 0x%08X\r\n", __func__, addr);
|
||||
scg_a7_info();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
U_BOOT_CMD(
|
||||
clocks, CONFIG_SYS_MAXARGS, 1, do_mx7_showclocks,
|
||||
"display clocks",
|
||||
""
|
||||
);
|
||||
70
arch/arm/cpu/armv7/mx7ulp/iomux.c
Normal file
70
arch/arm/cpu/armv7/mx7ulp/iomux.c
Normal file
@@ -0,0 +1,70 @@
|
||||
/*
|
||||
* Copyright (C) 2016 Freescale Semiconductor, Inc.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
#include <common.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/arch/imx-regs.h>
|
||||
#include <asm/arch/iomux.h>
|
||||
|
||||
static void *base = (void *)IOMUXC_BASE_ADDR;
|
||||
|
||||
/*
|
||||
* iomuxc0 base address. In imx7ulp-pins.h,
|
||||
* the offsets of pins in iomuxc0 are from 0xD000,
|
||||
* so we set the base address to (0x4103D000 - 0xD000 = 0x41030000)
|
||||
*/
|
||||
static void *base_mports = (void *)(AIPS0_BASE + 0x30000);
|
||||
|
||||
/*
|
||||
* configures a single pad in the iomuxer
|
||||
*/
|
||||
void mx7ulp_iomux_setup_pad(iomux_cfg_t pad)
|
||||
{
|
||||
u32 mux_ctrl_ofs = (pad & MUX_CTRL_OFS_MASK) >> MUX_CTRL_OFS_SHIFT;
|
||||
u32 mux_mode = (pad & MUX_MODE_MASK) >> MUX_MODE_SHIFT;
|
||||
u32 sel_input_ofs =
|
||||
(pad & MUX_SEL_INPUT_OFS_MASK) >> MUX_SEL_INPUT_OFS_SHIFT;
|
||||
u32 sel_input =
|
||||
(pad & MUX_SEL_INPUT_MASK) >> MUX_SEL_INPUT_SHIFT;
|
||||
u32 pad_ctrl_ofs = mux_ctrl_ofs;
|
||||
u32 pad_ctrl = (pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT;
|
||||
|
||||
debug("[PAD CFG] = 0x%16llX \r\n\tmux_ctl = 0x%X(0x%X) sel_input = 0x%X(0x%X) pad_ctrl = 0x%X(0x%X)\r\n",
|
||||
pad, mux_ctrl_ofs, mux_mode, sel_input_ofs, sel_input,
|
||||
pad_ctrl_ofs, pad_ctrl);
|
||||
|
||||
if (mux_mode & IOMUX_CONFIG_MPORTS) {
|
||||
mux_mode &= ~IOMUX_CONFIG_MPORTS;
|
||||
base = base_mports;
|
||||
} else {
|
||||
base = (void *)IOMUXC_BASE_ADDR;
|
||||
}
|
||||
|
||||
__raw_writel(((mux_mode << IOMUXC_PCR_MUX_ALT_SHIFT) &
|
||||
IOMUXC_PCR_MUX_ALT_MASK), base + mux_ctrl_ofs);
|
||||
|
||||
if (sel_input_ofs)
|
||||
__raw_writel((sel_input << IOMUXC_PSMI_IMUX_ALT_SHIFT),
|
||||
base + sel_input_ofs);
|
||||
|
||||
if (!(pad_ctrl & NO_PAD_CTRL))
|
||||
__raw_writel(((mux_mode << IOMUXC_PCR_MUX_ALT_SHIFT) &
|
||||
IOMUXC_PCR_MUX_ALT_MASK) |
|
||||
(pad_ctrl & (~IOMUXC_PCR_MUX_ALT_MASK)),
|
||||
base + pad_ctrl_ofs);
|
||||
}
|
||||
|
||||
/* configures a list of pads within declared with IOMUX_PADS macro */
|
||||
void mx7ulp_iomux_setup_multiple_pads(iomux_cfg_t const *pad_list,
|
||||
unsigned count)
|
||||
{
|
||||
iomux_cfg_t const *p = pad_list;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < count; i++) {
|
||||
mx7ulp_iomux_setup_pad(*p);
|
||||
p++;
|
||||
}
|
||||
}
|
||||
286
arch/arm/cpu/armv7/mx7ulp/pcc.c
Normal file
286
arch/arm/cpu/armv7/mx7ulp/pcc.c
Normal file
@@ -0,0 +1,286 @@
|
||||
/*
|
||||
* Copyright (C) 2016 Freescale Semiconductor, Inc.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <div64.h>
|
||||
#include <asm/io.h>
|
||||
#include <errno.h>
|
||||
#include <asm/arch/imx-regs.h>
|
||||
#include <asm/arch/pcc.h>
|
||||
#include <asm/arch/sys_proto.h>
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
#define PCC_CLKSRC_TYPES 2
|
||||
#define PCC_CLKSRC_NUM 7
|
||||
|
||||
static enum scg_clk pcc_clksrc[PCC_CLKSRC_TYPES][PCC_CLKSRC_NUM] = {
|
||||
{ SCG_NIC1_BUS_CLK,
|
||||
SCG_NIC1_CLK,
|
||||
SCG_DDR_CLK,
|
||||
SCG_APLL_PFD2_CLK,
|
||||
SCG_APLL_PFD1_CLK,
|
||||
SCG_APLL_PFD0_CLK,
|
||||
USB_PLL_OUT,
|
||||
},
|
||||
{ SCG_SOSC_DIV2_CLK, /* SOSC BUS clock */
|
||||
MIPI_PLL_OUT,
|
||||
SCG_FIRC_DIV2_CLK, /* FIRC BUS clock */
|
||||
SCG_ROSC_CLK,
|
||||
SCG_NIC1_BUS_CLK,
|
||||
SCG_NIC1_CLK,
|
||||
SCG_APLL_PFD3_CLK,
|
||||
},
|
||||
};
|
||||
|
||||
static struct pcc_entry pcc_arrays[] = {
|
||||
{PCC2_RBASE, DMA1_PCC2_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, RGPIO1_PCC2_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, FLEXBUS0_PCC2_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, SEMA42_1_PCC2_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, DMA1_CH_MUX0_PCC2_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, SNVS_PCC2_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, CAAM_PCC2_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, LPTPM4_PCC2_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, LPTPM5_PCC2_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, LPIT1_PCC2_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, LPSPI2_PCC2_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, LPSPI3_PCC2_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, LPI2C4_PCC2_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, LPI2C5_PCC2_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, LPUART4_PCC2_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, LPUART5_PCC2_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, FLEXIO1_PCC2_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, USBOTG0_PCC2_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV},
|
||||
{PCC2_RBASE, USBOTG1_PCC2_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV},
|
||||
{PCC2_RBASE, USBPHY_PCC2_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, USB_PL301_PCC2_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC2_RBASE, USDHC0_PCC2_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV},
|
||||
{PCC2_RBASE, USDHC1_PCC2_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV},
|
||||
{PCC2_RBASE, WDG1_PCC2_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV},
|
||||
{PCC2_RBASE, WDG2_PCC2_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV},
|
||||
|
||||
{PCC3_RBASE, LPTPM6_PCC3_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, LPTPM7_PCC3_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, LPI2C6_PCC3_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, LPI2C7_PCC3_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, LPUART6_PCC3_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, LPUART7_PCC3_SLOT, CLKSRC_PER_BUS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, VIU0_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, DSI0_PCC3_SLOT, CLKSRC_PER_BUS, PCC_HAS_DIV},
|
||||
{PCC3_RBASE, LCDIF0_PCC3_SLOT, CLKSRC_PER_PLAT, PCC_HAS_DIV},
|
||||
{PCC3_RBASE, MMDC0_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, PORTC_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, PORTD_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, PORTE_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, PORTF_PCC3_SLOT, CLKSRC_NO_PCS, PCC_NO_DIV},
|
||||
{PCC3_RBASE, GPU3D_PCC3_SLOT, CLKSRC_PER_PLAT, PCC_NO_DIV},
|
||||
{PCC3_RBASE, GPU2D_PCC3_SLOT, CLKSRC_PER_PLAT, PCC_NO_DIV},
|
||||
};
|
||||
|
||||
int pcc_clock_enable(enum pcc_clk clk, bool enable)
|
||||
{
|
||||
u32 reg, val;
|
||||
|
||||
if (clk >= ARRAY_SIZE(pcc_arrays))
|
||||
return -EINVAL;
|
||||
|
||||
reg = pcc_arrays[clk].pcc_base + pcc_arrays[clk].pcc_slot * 4;
|
||||
|
||||
val = readl(reg);
|
||||
|
||||
clk_debug("pcc_clock_enable: clk %d, reg 0x%x, val 0x%x, enable %d\n",
|
||||
clk, reg, val, enable);
|
||||
|
||||
if (!(val & PCC_PR_MASK) || (val & PCC_INUSE_MASK))
|
||||
return -EPERM;
|
||||
|
||||
if (enable)
|
||||
val |= PCC_CGC_MASK;
|
||||
else
|
||||
val &= ~PCC_CGC_MASK;
|
||||
|
||||
writel(val, reg);
|
||||
|
||||
clk_debug("pcc_clock_enable: val 0x%x\n", val);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* The clock source select needs clock is disabled */
|
||||
int pcc_clock_sel(enum pcc_clk clk, enum scg_clk src)
|
||||
{
|
||||
u32 reg, val, i, clksrc_type;
|
||||
|
||||
if (clk >= ARRAY_SIZE(pcc_arrays))
|
||||
return -EINVAL;
|
||||
|
||||
clksrc_type = pcc_arrays[clk].clksrc;
|
||||
if (clksrc_type >= CLKSRC_NO_PCS) {
|
||||
printf("No PCS field for the PCC %d, clksrc type %d\n",
|
||||
clk, clksrc_type);
|
||||
return -EPERM;
|
||||
}
|
||||
|
||||
for (i = 0; i < PCC_CLKSRC_NUM; i++) {
|
||||
if (pcc_clksrc[clksrc_type][i] == src) {
|
||||
/* Find the clock src, then set it to PCS */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (i == PCC_CLKSRC_NUM) {
|
||||
printf("Not find the parent scg_clk in PCS of PCC %d, invalid scg_clk %d\n", clk, src);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
reg = pcc_arrays[clk].pcc_base + pcc_arrays[clk].pcc_slot * 4;
|
||||
|
||||
val = readl(reg);
|
||||
|
||||
clk_debug("pcc_clock_sel: clk %d, reg 0x%x, val 0x%x, clksrc_type %d\n",
|
||||
clk, reg, val, clksrc_type);
|
||||
|
||||
if (!(val & PCC_PR_MASK) || (val & PCC_INUSE_MASK) ||
|
||||
(val & PCC_CGC_MASK)) {
|
||||
printf("Not permit to select clock source val = 0x%x\n", val);
|
||||
return -EPERM;
|
||||
}
|
||||
|
||||
val &= ~PCC_PCS_MASK;
|
||||
val |= ((i + 1) << PCC_PCS_OFFSET);
|
||||
|
||||
writel(val, reg);
|
||||
|
||||
clk_debug("pcc_clock_sel: val 0x%x\n", val);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int pcc_clock_div_config(enum pcc_clk clk, bool frac, u8 div)
|
||||
{
|
||||
u32 reg, val;
|
||||
|
||||
if (clk >= ARRAY_SIZE(pcc_arrays) || div > 8 ||
|
||||
(div == 1 && frac != 0))
|
||||
return -EINVAL;
|
||||
|
||||
if (pcc_arrays[clk].div >= PCC_NO_DIV) {
|
||||
printf("No DIV/FRAC field for the PCC %d\n", clk);
|
||||
return -EPERM;
|
||||
}
|
||||
|
||||
reg = pcc_arrays[clk].pcc_base + pcc_arrays[clk].pcc_slot * 4;
|
||||
|
||||
val = readl(reg);
|
||||
|
||||
if (!(val & PCC_PR_MASK) || (val & PCC_INUSE_MASK) ||
|
||||
(val & PCC_CGC_MASK)) {
|
||||
printf("Not permit to set div/frac val = 0x%x\n", val);
|
||||
return -EPERM;
|
||||
}
|
||||
|
||||
if (frac)
|
||||
val |= PCC_FRAC_MASK;
|
||||
else
|
||||
val &= ~PCC_FRAC_MASK;
|
||||
|
||||
val &= ~PCC_PCD_MASK;
|
||||
val |= (div - 1) & PCC_PCD_MASK;
|
||||
|
||||
writel(val, reg);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool pcc_clock_is_enable(enum pcc_clk clk)
|
||||
{
|
||||
u32 reg, val;
|
||||
|
||||
if (clk >= ARRAY_SIZE(pcc_arrays))
|
||||
return -EINVAL;
|
||||
|
||||
reg = pcc_arrays[clk].pcc_base + pcc_arrays[clk].pcc_slot * 4;
|
||||
val = readl(reg);
|
||||
|
||||
if ((val & PCC_INUSE_MASK) || (val & PCC_CGC_MASK))
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
int pcc_clock_get_clksrc(enum pcc_clk clk, enum scg_clk *src)
|
||||
{
|
||||
u32 reg, val, clksrc_type;
|
||||
|
||||
if (clk >= ARRAY_SIZE(pcc_arrays))
|
||||
return -EINVAL;
|
||||
|
||||
clksrc_type = pcc_arrays[clk].clksrc;
|
||||
if (clksrc_type >= CLKSRC_NO_PCS) {
|
||||
printf("No PCS field for the PCC %d, clksrc type %d\n",
|
||||
clk, clksrc_type);
|
||||
return -EPERM;
|
||||
}
|
||||
|
||||
reg = pcc_arrays[clk].pcc_base + pcc_arrays[clk].pcc_slot * 4;
|
||||
|
||||
val = readl(reg);
|
||||
|
||||
clk_debug("pcc_clock_get_clksrc: clk %d, reg 0x%x, val 0x%x, type %d\n",
|
||||
clk, reg, val, clksrc_type);
|
||||
|
||||
if (!(val & PCC_PR_MASK)) {
|
||||
printf("This pcc slot is not present = 0x%x\n", val);
|
||||
return -EPERM;
|
||||
}
|
||||
|
||||
val &= PCC_PCS_MASK;
|
||||
val = (val >> PCC_PCS_OFFSET);
|
||||
|
||||
if (!val) {
|
||||
printf("Clock source is off\n");
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
*src = pcc_clksrc[clksrc_type][val - 1];
|
||||
|
||||
clk_debug("pcc_clock_get_clksrc: parent scg clk %d\n", *src);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
u32 pcc_clock_get_rate(enum pcc_clk clk)
|
||||
{
|
||||
u32 reg, val, rate, frac, div;
|
||||
enum scg_clk parent;
|
||||
int ret;
|
||||
|
||||
ret = pcc_clock_get_clksrc(clk, &parent);
|
||||
if (ret)
|
||||
return 0;
|
||||
|
||||
rate = scg_clk_get_rate(parent);
|
||||
|
||||
clk_debug("pcc_clock_get_rate: parent rate %u\n", rate);
|
||||
|
||||
if (pcc_arrays[clk].div == PCC_HAS_DIV) {
|
||||
reg = pcc_arrays[clk].pcc_base + pcc_arrays[clk].pcc_slot * 4;
|
||||
val = readl(reg);
|
||||
|
||||
frac = (val & PCC_FRAC_MASK) >> PCC_FRAC_OFFSET;
|
||||
div = (val & PCC_PCD_MASK) >> PCC_PCD_OFFSET;
|
||||
|
||||
/*
|
||||
* Theoretically don't have overflow in the calc,
|
||||
* the rate won't exceed 2G
|
||||
*/
|
||||
rate = rate * (frac + 1) / (div + 1);
|
||||
}
|
||||
|
||||
clk_debug("pcc_clock_get_rate: rate %u\n", rate);
|
||||
return rate;
|
||||
}
|
||||
1086
arch/arm/cpu/armv7/mx7ulp/scg.c
Normal file
1086
arch/arm/cpu/armv7/mx7ulp/scg.c
Normal file
File diff suppressed because it is too large
Load Diff
247
arch/arm/cpu/armv7/mx7ulp/soc.c
Normal file
247
arch/arm/cpu/armv7/mx7ulp/soc.c
Normal file
@@ -0,0 +1,247 @@
|
||||
/*
|
||||
* Copyright (C) 2016 Freescale Semiconductor, Inc.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
#include <asm/io.h>
|
||||
#include <asm/arch/clock.h>
|
||||
#include <asm/arch/imx-regs.h>
|
||||
#include <asm/arch/sys_proto.h>
|
||||
#include <asm/imx-common/hab.h>
|
||||
|
||||
static char *get_reset_cause(char *);
|
||||
|
||||
#if defined(CONFIG_SECURE_BOOT)
|
||||
struct imx_sec_config_fuse_t const imx_sec_config_fuse = {
|
||||
.bank = 29,
|
||||
.word = 6,
|
||||
};
|
||||
#endif
|
||||
|
||||
u32 get_cpu_rev(void)
|
||||
{
|
||||
/* Temporally hard code the CPU rev to 0x73, rev 1.0. Fix it later */
|
||||
return (MXC_CPU_MX7ULP << 12) | (1 << 4);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_REVISION_TAG
|
||||
u32 __weak get_board_rev(void)
|
||||
{
|
||||
return get_cpu_rev();
|
||||
}
|
||||
#endif
|
||||
|
||||
enum bt_mode get_boot_mode(void)
|
||||
{
|
||||
u32 bt0_cfg = 0;
|
||||
|
||||
bt0_cfg = readl(CMC0_RBASE + 0x40);
|
||||
bt0_cfg &= (BT0CFG_LPBOOT_MASK | BT0CFG_DUALBOOT_MASK);
|
||||
|
||||
if (!(bt0_cfg & BT0CFG_LPBOOT_MASK)) {
|
||||
/* No low power boot */
|
||||
if (bt0_cfg & BT0CFG_DUALBOOT_MASK)
|
||||
return DUAL_BOOT;
|
||||
else
|
||||
return SINGLE_BOOT;
|
||||
}
|
||||
|
||||
return LOW_POWER_BOOT;
|
||||
}
|
||||
|
||||
int arch_cpu_init(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_BOARD_POSTCLK_INIT
|
||||
int board_postclk_init(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#define UNLOCK_WORD0 0xC520 /* 1st unlock word */
|
||||
#define UNLOCK_WORD1 0xD928 /* 2nd unlock word */
|
||||
#define REFRESH_WORD0 0xA602 /* 1st refresh word */
|
||||
#define REFRESH_WORD1 0xB480 /* 2nd refresh word */
|
||||
|
||||
static void disable_wdog(u32 wdog_base)
|
||||
{
|
||||
writel(UNLOCK_WORD0, (wdog_base + 0x04));
|
||||
writel(UNLOCK_WORD1, (wdog_base + 0x04));
|
||||
writel(0x0, (wdog_base + 0x0C)); /* Set WIN to 0 */
|
||||
writel(0x400, (wdog_base + 0x08)); /* Set timeout to default 0x400 */
|
||||
writel(0x120, (wdog_base + 0x00)); /* Disable it and set update */
|
||||
|
||||
writel(REFRESH_WORD0, (wdog_base + 0x04)); /* Refresh the CNT */
|
||||
writel(REFRESH_WORD1, (wdog_base + 0x04));
|
||||
}
|
||||
|
||||
void init_wdog(void)
|
||||
{
|
||||
/*
|
||||
* ROM will configure WDOG1, disable it or enable it
|
||||
* depending on FUSE. The update bit is set for reconfigurable.
|
||||
* We have to use unlock sequence to reconfigure it.
|
||||
* WDOG2 is not touched by ROM, so it will have default value
|
||||
* which is enabled. We can directly configure it.
|
||||
* To simplify the codes, we still use same reconfigure
|
||||
* process as WDOG1. Because the update bit is not set for
|
||||
* WDOG2, the unlock sequence won't take effect really.
|
||||
* It actually directly configure the wdog.
|
||||
* In this function, we will disable both WDOG1 and WDOG2,
|
||||
* and set update bit for both. So that kernel can reconfigure them.
|
||||
*/
|
||||
disable_wdog(WDG1_RBASE);
|
||||
disable_wdog(WDG2_RBASE);
|
||||
}
|
||||
|
||||
|
||||
void s_init(void)
|
||||
{
|
||||
/* Disable wdog */
|
||||
init_wdog();
|
||||
|
||||
/* clock configuration. */
|
||||
clock_init();
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
#ifndef CONFIG_ULP_WATCHDOG
|
||||
void reset_cpu(ulong addr)
|
||||
{
|
||||
setbits_le32(SIM0_RBASE, SIM_SOPT1_A7_SW_RESET);
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_DISPLAY_CPUINFO)
|
||||
const char *get_imx_type(u32 imxtype)
|
||||
{
|
||||
return "7ULP";
|
||||
}
|
||||
|
||||
int print_cpuinfo(void)
|
||||
{
|
||||
u32 cpurev;
|
||||
char cause[18];
|
||||
|
||||
cpurev = get_cpu_rev();
|
||||
|
||||
printf("CPU: Freescale i.MX%s rev%d.%d at %d MHz\n",
|
||||
get_imx_type((cpurev & 0xFF000) >> 12),
|
||||
(cpurev & 0x000F0) >> 4, (cpurev & 0x0000F) >> 0,
|
||||
mxc_get_clock(MXC_ARM_CLK) / 1000000);
|
||||
|
||||
printf("Reset cause: %s\n", get_reset_cause(cause));
|
||||
|
||||
printf("Boot mode: ");
|
||||
switch (get_boot_mode()) {
|
||||
case LOW_POWER_BOOT:
|
||||
printf("Low power boot\n");
|
||||
break;
|
||||
case DUAL_BOOT:
|
||||
printf("Dual boot\n");
|
||||
break;
|
||||
case SINGLE_BOOT:
|
||||
default:
|
||||
printf("Single boot\n");
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#define CMC_SRS_TAMPER (1 << 31)
|
||||
#define CMC_SRS_SECURITY (1 << 30)
|
||||
#define CMC_SRS_TZWDG (1 << 29)
|
||||
#define CMC_SRS_JTAG_RST (1 << 28)
|
||||
#define CMC_SRS_CORE1 (1 << 16)
|
||||
#define CMC_SRS_LOCKUP (1 << 15)
|
||||
#define CMC_SRS_SW (1 << 14)
|
||||
#define CMC_SRS_WDG (1 << 13)
|
||||
#define CMC_SRS_PIN_RESET (1 << 8)
|
||||
#define CMC_SRS_WARM (1 << 4)
|
||||
#define CMC_SRS_HVD (1 << 3)
|
||||
#define CMC_SRS_LVD (1 << 2)
|
||||
#define CMC_SRS_POR (1 << 1)
|
||||
#define CMC_SRS_WUP (1 << 0)
|
||||
|
||||
static u32 reset_cause = -1;
|
||||
|
||||
static char *get_reset_cause(char *ret)
|
||||
{
|
||||
u32 cause1, cause = 0, srs = 0;
|
||||
u32 *reg_ssrs = (u32 *)(SRC_BASE_ADDR + 0x28);
|
||||
u32 *reg_srs = (u32 *)(SRC_BASE_ADDR + 0x20);
|
||||
|
||||
if (!ret)
|
||||
return "null";
|
||||
|
||||
srs = readl(reg_srs);
|
||||
cause1 = readl(reg_ssrs);
|
||||
writel(cause1, reg_ssrs);
|
||||
|
||||
reset_cause = cause1;
|
||||
|
||||
cause = cause1 & (CMC_SRS_POR | CMC_SRS_WUP | CMC_SRS_WARM);
|
||||
|
||||
switch (cause) {
|
||||
case CMC_SRS_POR:
|
||||
sprintf(ret, "%s", "POR");
|
||||
break;
|
||||
case CMC_SRS_WUP:
|
||||
sprintf(ret, "%s", "WUP");
|
||||
break;
|
||||
case CMC_SRS_WARM:
|
||||
cause = cause1 & (CMC_SRS_WDG | CMC_SRS_SW |
|
||||
CMC_SRS_JTAG_RST);
|
||||
switch (cause) {
|
||||
case CMC_SRS_WDG:
|
||||
sprintf(ret, "%s", "WARM-WDG");
|
||||
break;
|
||||
case CMC_SRS_SW:
|
||||
sprintf(ret, "%s", "WARM-SW");
|
||||
break;
|
||||
case CMC_SRS_JTAG_RST:
|
||||
sprintf(ret, "%s", "WARM-JTAG");
|
||||
break;
|
||||
default:
|
||||
sprintf(ret, "%s", "WARM-UNKN");
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
sprintf(ret, "%s-%X", "UNKN", cause1);
|
||||
break;
|
||||
}
|
||||
|
||||
debug("[%X] SRS[%X] %X - ", cause1, srs, srs^cause1);
|
||||
return ret;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_ENV_IS_IN_MMC
|
||||
__weak int board_mmc_get_env_dev(int devno)
|
||||
{
|
||||
return CONFIG_SYS_MMC_ENV_DEV;
|
||||
}
|
||||
|
||||
int mmc_get_env_dev(void)
|
||||
{
|
||||
int devno = 0;
|
||||
u32 bt1_cfg = 0;
|
||||
|
||||
/* If not boot from sd/mmc, use default value */
|
||||
if (get_boot_mode() == LOW_POWER_BOOT)
|
||||
return CONFIG_SYS_MMC_ENV_DEV;
|
||||
|
||||
bt1_cfg = readl(CMC1_RBASE + 0x40);
|
||||
devno = (bt1_cfg >> 9) & 0x7;
|
||||
|
||||
return board_mmc_get_env_dev(devno);
|
||||
}
|
||||
#endif
|
||||
36
arch/arm/cpu/armv7/vf610/Kconfig
Normal file
36
arch/arm/cpu/armv7/vf610/Kconfig
Normal file
@@ -0,0 +1,36 @@
|
||||
if ARCH_VF610
|
||||
|
||||
config VF610
|
||||
bool
|
||||
default y
|
||||
|
||||
choice
|
||||
prompt "Vybrid board select"
|
||||
|
||||
config TARGET_VF610TWR
|
||||
bool "TWR-VF65GS10-DS5"
|
||||
|
||||
config TARGET_COLIBRI_VF
|
||||
bool "Colibri VF50/61"
|
||||
select BOARD_LATE_INIT
|
||||
|
||||
config TARGET_PCM052
|
||||
bool "PCM-052"
|
||||
select SYS_FSL_ERRATUM_ESDHC135
|
||||
select SYS_FSL_ERRATUM_ESDHC_A001
|
||||
|
||||
config TARGET_BK4R1
|
||||
bool "BK4r1"
|
||||
select SYS_FSL_ERRATUM_ESDHC135
|
||||
select SYS_FSL_ERRATUM_ESDHC_A001
|
||||
|
||||
endchoice
|
||||
|
||||
config SYS_SOC
|
||||
default "vf610"
|
||||
|
||||
source "board/freescale/vf610twr/Kconfig"
|
||||
source "board/phytec/pcm052/Kconfig"
|
||||
source "board/toradex/colibri_vf/Kconfig"
|
||||
|
||||
endif
|
||||
@@ -204,6 +204,11 @@ static u32 get_dspi_clk(void)
|
||||
return get_ipg_clk();
|
||||
}
|
||||
|
||||
u32 get_lpuart_clk(void)
|
||||
{
|
||||
return get_uart_clk();
|
||||
}
|
||||
|
||||
unsigned int mxc_get_clock(enum mxc_clock clk)
|
||||
{
|
||||
switch (clk) {
|
||||
|
||||
Reference in New Issue
Block a user