GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/Kconfig

@@ -0,0 +1,140 @@
+if ARCH_DAVINCI
+
+choice
+	prompt "DaVinci board select"
+	optional
+
+config TARGET_DA850EVM
+	bool "DA850 EVM board"
+	select MACH_DAVINCI_DA850_EVM
+	select SOC_DA850
+	select SUPPORT_SPL
+
+config TARGET_OMAPL138_LCDK
+	bool "OMAPL138 LCDK"
+	select SOC_DA8XX
+	select SUPPORT_SPL
+	select SPL_BOARD_INIT
+
+config TARGET_LEGOEV3
+	bool "LEGO MINDSTORMS EV3"
+	select MACH_DAVINCI_DA850_EVM
+	select SOC_DA850
+
+endchoice
+
+config SYS_SOC
+	default "davinci"
+
+config DA850_LOWLEVEL
+	bool "Enable Lowlevel DA850 initialization"
+	depends on SOC_DA850
+
+config SYS_DA850_PLL_INIT
+	bool
+
+config SYS_DA850_DDR_INIT
+	bool
+
+config SOC_DA850
+	bool
+	select SOC_DA8XX
+
+config SOC_DA8XX
+	bool
+	select SYS_DA850_DDR_INIT if SUPPORT_SPL || DA850_LOWLEVEL
+	select SYS_DA850_PLL_INIT if SUPPORT_SPL || DA850_LOWLEVEL
+
+config MACH_DAVINCI_DA850_EVM
+	bool
+
+if SYS_DA850_PLL_INIT
+comment "DA850 PLL Initialization Parameters"
+
+config SYS_DV_CLKMODE
+	int "PLLCTL Clock Mode"
+	default 0
+	help
+	  Set PLLCTL Clock Mode bit as External Clock or On Chip oscillator
+
+config SYS_DA850_PLL0_POSTDIV
+	int "PLLC0 PLL Post-Divider"
+	default 1
+	help
+	  Value written to PLLC0 PLL Post-Divider Control Register
+
+config SYS_DA850_PLL0_PLLDIV1
+	hex "PLLC0 Divider 1"
+	default 0x8000
+	help
+	  Value written to PLLC0 Divider 1 register
+
+config SYS_DA850_PLL0_PLLDIV2
+	hex "PLLC0 Divider 2"
+	default 0x8001
+	help
+	  Value written to PLLC0 Divider 2 register
+
+config SYS_DA850_PLL0_PLLDIV3
+	hex "PLLC0 Divider 3"
+	default 0x8002
+	help
+	  Value written to PLLC0 Divider 3 register
+
+config SYS_DA850_PLL0_PLLDIV4
+	hex "PLLC0 Divider 4"
+	default 0x8003
+	help
+	  Value written to PLLC0 Divider 4 register
+
+config SYS_DA850_PLL0_PLLDIV5
+	hex "PLLC0 Divider 5"
+	default 0x8002
+	help
+	  Value written to PLLC0 Divider 5 register
+
+config SYS_DA850_PLL0_PLLDIV6
+	hex "PLLC0 Divider 6"
+	default 0x8000
+	help
+	  Value written to PLLC0 Divider 6 register
+
+config SYS_DA850_PLL0_PLLDIV7
+	hex "PLLC0 Divider 7"
+	default 0x8005
+	help
+	  Value written to PLLC0 Divider 7 register
+
+config SYS_DA850_PLL1_POSTDIV
+	hex "PLLC1 PLL Post-Divider"
+	default 1
+	help
+	  Value written to PLLC1 PLL Post-Divider Control Register
+
+config SYS_DA850_PLL1_PLLDIV1
+	hex "PLLC1 Divider 2"
+	default 0x8000
+	help
+	  Value written to PLLC1 Divider 1 register
+
+config SYS_DA850_PLL1_PLLDIV2
+	hex "PLLC1 Divider 2"
+	default 0x8001
+	help
+	  Value written to PLLC1 Divider 2 register
+
+config SYS_DA850_PLL1_PLLDIV3
+	hex "PLLC1 Divider 3"
+	default 0x8002
+	help
+	  Value written to PLLC1 Divider 3 register
+
+endif
+
+source "board/davinci/da8xxevm/Kconfig"
+source "board/lego/ev3/Kconfig"
+
+config SPL_LDSCRIPT
+	default "board/$(BOARDDIR)/u-boot-spl-da850evm.lds"
+
+endif

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/Makefile

@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+
+obj-y				+= cpu.o misc.o timer.o psc.o pinmux.o reset.o
+obj-$(CONFIG_DA850_LOWLEVEL)	+= da850_lowlevel.o
+obj-$(CONFIG_SOC_DM355)	+= dm355.o
+obj-$(CONFIG_SOC_DM365)	+= dm365.o
+obj-$(CONFIG_SOC_DM644X)	+= dm644x.o
+obj-$(CONFIG_SOC_DM646X)	+= dm646x.o
+obj-$(CONFIG_SOC_DA850)	+= da850_pinmux.o
+
+ifdef CONFIG_SPL_BUILD
+obj-$(CONFIG_SPL_FRAMEWORK)	+= spl.o
+obj-$(CONFIG_SOC_DM365)	+= dm365_lowlevel.o
+obj-$(CONFIG_SOC_DA8XX)	+= da850_lowlevel.o
+endif

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/config.mk

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2012, Texas Instruments, Incorporated - http://www.ti.com/
+ifndef CONFIG_SPL_BUILD
+ALL-$(CONFIG_SPL_FRAMEWORK)	+= u-boot.ais
+endif

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/cpu.c

@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2004 Texas Instruments.
+ * Copyright (C) 2009 David Brownell
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* offsets from PLL controller base */
+#define PLLC_PLLCTL	0x100
+#define PLLC_PLLM	0x110
+#define PLLC_PREDIV	0x114
+#define PLLC_PLLDIV1	0x118
+#define PLLC_PLLDIV2	0x11c
+#define PLLC_PLLDIV3	0x120
+#define PLLC_POSTDIV	0x128
+#define PLLC_BPDIV	0x12c
+#define PLLC_PLLDIV4	0x160
+#define PLLC_PLLDIV5	0x164
+#define PLLC_PLLDIV6	0x168
+#define PLLC_PLLDIV7	0x16c
+#define PLLC_PLLDIV8	0x170
+#define PLLC_PLLDIV9	0x174
+
+unsigned int sysdiv[9] = {
+	PLLC_PLLDIV1, PLLC_PLLDIV2, PLLC_PLLDIV3, PLLC_PLLDIV4, PLLC_PLLDIV5,
+	PLLC_PLLDIV6, PLLC_PLLDIV7, PLLC_PLLDIV8, PLLC_PLLDIV9
+};
+
+int clk_get(enum davinci_clk_ids id)
+{
+	int pre_div;
+	int pllm;
+	int post_div;
+	int pll_out;
+	unsigned int pll_base;
+
+	pll_out = CONFIG_SYS_OSCIN_FREQ;
+
+	if (id == DAVINCI_AUXCLK_CLKID)
+		goto out;
+
+	if ((id >> 16) == 1)
+		pll_base = (unsigned int)davinci_pllc1_regs;
+	else
+		pll_base = (unsigned int)davinci_pllc0_regs;
+
+	id &= 0xFFFF;
+
+	/*
+	 * Lets keep this simple. Combining operations can result in
+	 * unexpected approximations
+	 */
+	pre_div = (readl(pll_base + PLLC_PREDIV) &
+		DAVINCI_PLLC_DIV_MASK) + 1;
+	pllm = readl(pll_base + PLLC_PLLM) + 1;
+
+	pll_out /= pre_div;
+	pll_out *= pllm;
+
+	if (id == DAVINCI_PLLM_CLKID)
+		goto out;
+
+	post_div = (readl(pll_base + PLLC_POSTDIV) &
+		DAVINCI_PLLC_DIV_MASK) + 1;
+
+	pll_out /= post_div;
+
+	if (id == DAVINCI_PLLC_CLKID)
+		goto out;
+
+	pll_out /= (readl(pll_base + sysdiv[id - 1]) &
+		DAVINCI_PLLC_DIV_MASK) + 1;
+
+out:
+	return pll_out;
+}
+
+int set_cpu_clk_info(void)
+{
+	gd->bd->bi_arm_freq = clk_get(DAVINCI_ARM_CLKID) / 1000000;
+	/* DDR PHY uses an x2 input clock */
+	gd->bd->bi_ddr_freq = cpu_is_da830() ? 0 :
+				(clk_get(DAVINCI_DDR_CLKID) / 1000000);
+	gd->bd->bi_dsp_freq = 0;
+	return 0;
+}

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/da850_lowlevel.c

@@ -0,0 +1,312 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * SoC-specific lowlevel code for DA850
+ *
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ */
+#include <common.h>
+#include <nand.h>
+#include <ns16550.h>
+#include <post.h>
+#include <asm/arch/da850_lowlevel.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/davinci_misc.h>
+#include <asm/arch/ddr2_defs.h>
+#include <asm/ti-common/davinci_nand.h>
+#include <asm/arch/pll_defs.h>
+
+void davinci_enable_uart0(void)
+{
+	lpsc_on(DAVINCI_LPSC_UART0);
+
+	/* Bringup UART0 out of reset */
+	REG(UART0_PWREMU_MGMT) = 0x00006001;
+}
+
+#if defined(CONFIG_SYS_DA850_PLL_INIT)
+static void da850_waitloop(unsigned long loopcnt)
+{
+	unsigned long	i;
+
+	for (i = 0; i < loopcnt; i++)
+		asm("   NOP");
+}
+
+static int da850_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult)
+{
+	if (reg == davinci_pllc0_regs)
+		/* Unlock PLL registers. */
+		clrbits_le32(&davinci_syscfg_regs->cfgchip0, PLL_MASTER_LOCK);
+
+	/*
+	 * Set PLLENSRC '0',bit 5, PLL Enable(PLLEN) selection is controlled
+	 * through MMR
+	 */
+	clrbits_le32(&reg->pllctl, PLLCTL_PLLENSRC);
+	/* PLLCTL.EXTCLKSRC bit 9 should be left at 0 for Freon */
+	clrbits_le32(&reg->pllctl, PLLCTL_EXTCLKSRC);
+
+	/* Set PLLEN=0 => PLL BYPASS MODE */
+	clrbits_le32(&reg->pllctl, PLLCTL_PLLEN);
+
+	da850_waitloop(150);
+
+	if (reg == davinci_pllc0_regs) {
+		/*
+		 * Select the Clock Mode bit 8 as External Clock or On Chip
+		 * Oscilator
+		 */
+		dv_maskbits(&reg->pllctl, ~PLLCTL_RES_9);
+		setbits_le32(&reg->pllctl,
+			(CONFIG_SYS_DV_CLKMODE << PLLCTL_CLOCK_MODE_SHIFT));
+	}
+
+	/* Clear PLLRST bit to reset the PLL */
+	clrbits_le32(&reg->pllctl, PLLCTL_PLLRST);
+
+	/* Disable the PLL output */
+	setbits_le32(&reg->pllctl, PLLCTL_PLLDIS);
+
+	/* PLL initialization sequence */
+	/*
+	 * Power up the PLL- PWRDN bit set to 0 to bring the PLL out of
+	 * power down bit
+	 */
+	clrbits_le32(&reg->pllctl, PLLCTL_PLLPWRDN);
+
+	/* Enable the PLL from Disable Mode PLLDIS bit to 0 */
+	clrbits_le32(&reg->pllctl, PLLCTL_PLLDIS);
+
+#if defined(CONFIG_SYS_DA850_PLL0_PREDIV)
+	/* program the prediv */
+	if (reg == davinci_pllc0_regs && CONFIG_SYS_DA850_PLL0_PREDIV)
+		writel((PLL_DIVEN | CONFIG_SYS_DA850_PLL0_PREDIV),
+			&reg->prediv);
+#endif
+
+	/* Program the required multiplier value in PLLM */
+	writel(pllmult, &reg->pllm);
+
+	/* program the postdiv */
+	if (reg == davinci_pllc0_regs)
+		writel((PLL_POSTDEN | CONFIG_SYS_DA850_PLL0_POSTDIV),
+			&reg->postdiv);
+	else
+		writel((PLL_POSTDEN | CONFIG_SYS_DA850_PLL1_POSTDIV),
+			&reg->postdiv);
+
+	/*
+	 * Check for the GOSTAT bit in PLLSTAT to clear to 0 to indicate that
+	 * no GO operation is currently in progress
+	 */
+	while ((readl(&reg->pllstat) & PLLCMD_GOSTAT) == PLLCMD_GOSTAT)
+		;
+
+	if (reg == davinci_pllc0_regs) {
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV1, &reg->plldiv1);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV2, &reg->plldiv2);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV3, &reg->plldiv3);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV4, &reg->plldiv4);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV5, &reg->plldiv5);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV6, &reg->plldiv6);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV7, &reg->plldiv7);
+	} else {
+		writel(CONFIG_SYS_DA850_PLL1_PLLDIV1, &reg->plldiv1);
+		writel(CONFIG_SYS_DA850_PLL1_PLLDIV2, &reg->plldiv2);
+		writel(CONFIG_SYS_DA850_PLL1_PLLDIV3, &reg->plldiv3);
+	}
+
+	/*
+	 * Set the GOSET bit in PLLCMD to 1 to initiate a new divider
+	 * transition.
+	 */
+	setbits_le32(&reg->pllcmd, PLLCMD_GOSTAT);
+
+	/*
+	 * Wait for the GOSTAT bit in PLLSTAT to clear to 0
+	 * (completion of phase alignment).
+	 */
+	while ((readl(&reg->pllstat) & PLLCMD_GOSTAT) == PLLCMD_GOSTAT)
+		;
+
+	/* Wait for PLL to reset properly. See PLL spec for PLL reset time */
+	da850_waitloop(200);
+
+	/* Set the PLLRST bit in PLLCTL to 1 to bring the PLL out of reset */
+	setbits_le32(&reg->pllctl, PLLCTL_PLLRST);
+
+	/* Wait for PLL to lock. See PLL spec for PLL lock time */
+	da850_waitloop(2400);
+
+	/*
+	 * Set the PLLEN bit in PLLCTL to 1 to remove the PLL from bypass
+	 * mode
+	 */
+	setbits_le32(&reg->pllctl, PLLCTL_PLLEN);
+
+
+	/*
+	 * clear EMIFA and EMIFB clock source settings, let them
+	 * run off SYSCLK
+	 */
+	if (reg == davinci_pllc0_regs)
+		dv_maskbits(&davinci_syscfg_regs->cfgchip3,
+			~(PLL_SCSCFG3_DIV45PENA | PLL_SCSCFG3_EMA_CLKSRC));
+
+	return 0;
+}
+#endif /* CONFIG_SYS_DA850_PLL_INIT */
+
+#if defined(CONFIG_SYS_DA850_DDR_INIT)
+static int da850_ddr_setup(void)
+{
+	unsigned long	tmp;
+
+	/* Enable the Clock to DDR2/mDDR */
+	lpsc_on(DAVINCI_LPSC_DDR_EMIF);
+
+	tmp = readl(&davinci_syscfg1_regs->vtpio_ctl);
+	if ((tmp & VTP_POWERDWN) == VTP_POWERDWN) {
+		/* Begin VTP Calibration */
+		clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN);
+		clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK);
+		setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ);
+		clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ);
+		setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ);
+
+		/* Polling READY bit to see when VTP calibration is done */
+		tmp = readl(&davinci_syscfg1_regs->vtpio_ctl);
+		while ((tmp & VTP_READY) != VTP_READY)
+			tmp = readl(&davinci_syscfg1_regs->vtpio_ctl);
+
+		setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK);
+		setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN);
+	}
+	setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN);
+	writel(CONFIG_SYS_DA850_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr);
+
+	if (CONFIG_SYS_DA850_DDR2_SDBCR & (1 << DV_DDR_SDCR_DDR2EN_SHIFT)) {
+		/* DDR2 */
+		clrbits_le32(&davinci_syscfg1_regs->ddr_slew,
+			(1 << DDR_SLEW_DDR_PDENA_BIT) |
+			(1 << DDR_SLEW_CMOSEN_BIT));
+	} else {
+		/* MOBILE DDR */
+		setbits_le32(&davinci_syscfg1_regs->ddr_slew,
+			(1 << DDR_SLEW_DDR_PDENA_BIT) |
+			(1 << DDR_SLEW_CMOSEN_BIT));
+	}
+
+	/*
+	 * SDRAM Configuration Register (SDCR):
+	 * First set the BOOTUNLOCK bit to make configuration bits
+	 * writeable.
+	 */
+	setbits_le32(&dv_ddr2_regs_ctrl->sdbcr, DV_DDR_BOOTUNLOCK);
+
+	/*
+	 * Write the new value of these bits and clear BOOTUNLOCK.
+	 * At the same time, set the TIMUNLOCK bit to allow changing
+	 * the timing registers
+	 */
+	tmp = CONFIG_SYS_DA850_DDR2_SDBCR;
+	tmp &= ~DV_DDR_BOOTUNLOCK;
+	tmp |= DV_DDR_TIMUNLOCK;
+	writel(tmp, &dv_ddr2_regs_ctrl->sdbcr);
+
+	/* write memory configuration and timing */
+	if (!(CONFIG_SYS_DA850_DDR2_SDBCR & (1 << DV_DDR_SDCR_DDR2EN_SHIFT))) {
+		/* MOBILE DDR only*/
+		writel(CONFIG_SYS_DA850_DDR2_SDBCR2,
+			&dv_ddr2_regs_ctrl->sdbcr2);
+	}
+	writel(CONFIG_SYS_DA850_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr);
+	writel(CONFIG_SYS_DA850_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2);
+
+	/* clear the TIMUNLOCK bit and write the value of the CL field */
+	tmp &= ~DV_DDR_TIMUNLOCK;
+	writel(tmp, &dv_ddr2_regs_ctrl->sdbcr);
+
+	/*
+	 * LPMODEN and MCLKSTOPEN must be set!
+	 * Without this bits set, PSC don;t switch states !!
+	 */
+	writel(CONFIG_SYS_DA850_DDR2_SDRCR |
+		(1 << DV_DDR_SRCR_LPMODEN_SHIFT) |
+		(1 << DV_DDR_SRCR_MCLKSTOPEN_SHIFT),
+		&dv_ddr2_regs_ctrl->sdrcr);
+
+	/* SyncReset the Clock to EMIF3A SDRAM */
+	lpsc_syncreset(DAVINCI_LPSC_DDR_EMIF);
+	/* Enable the Clock to EMIF3A SDRAM */
+	lpsc_on(DAVINCI_LPSC_DDR_EMIF);
+
+	/* disable self refresh */
+	clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr,
+		DV_DDR_SDRCR_LPMODEN | DV_DDR_SDRCR_MCLKSTOPEN);
+	writel(CONFIG_SYS_DA850_DDR2_PBBPR, &dv_ddr2_regs_ctrl->pbbpr);
+
+	return 0;
+}
+#endif /* CONFIG_SYS_DA850_DDR_INIT */
+
+__attribute__((weak))
+void board_gpio_init(void)
+{
+	return;
+}
+
+int arch_cpu_init(void)
+{
+	/* Unlock kick registers */
+	writel(DV_SYSCFG_KICK0_UNLOCK, &davinci_syscfg_regs->kick0);
+	writel(DV_SYSCFG_KICK1_UNLOCK, &davinci_syscfg_regs->kick1);
+
+	dv_maskbits(&davinci_syscfg_regs->suspsrc,
+		CONFIG_SYS_DA850_SYSCFG_SUSPSRC);
+
+	/* configure pinmux settings */
+	if (davinci_configure_pin_mux_items(pinmuxes, pinmuxes_size))
+		return 1;
+
+#if defined(CONFIG_SYS_DA850_PLL_INIT)
+	/* PLL setup */
+	da850_pll_init(davinci_pllc0_regs, CONFIG_SYS_DA850_PLL0_PLLM);
+	da850_pll_init(davinci_pllc1_regs, CONFIG_SYS_DA850_PLL1_PLLM);
+#endif
+	/* setup CSn config */
+#if defined(CONFIG_SYS_DA850_CS2CFG)
+	writel(CONFIG_SYS_DA850_CS2CFG, &davinci_emif_regs->ab1cr);
+#endif
+#if defined(CONFIG_SYS_DA850_CS3CFG)
+	writel(CONFIG_SYS_DA850_CS3CFG, &davinci_emif_regs->ab2cr);
+#endif
+
+	da8xx_configure_lpsc_items(lpsc, lpsc_size);
+
+	/* GPIO setup */
+	board_gpio_init();
+
+#if !CONFIG_IS_ENABLED(DM_SERIAL)
+	NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1),
+			CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
+#endif
+	/*
+	 * Fix Power and Emulation Management Register
+	 * see sprufw3a.pdf page 37 Table 24
+	 */
+	writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
+		DAVINCI_UART_PWREMU_MGMT_UTRST),
+#if (CONFIG_SYS_NS16550_COM1 == DAVINCI_UART0_BASE)
+	       &davinci_uart0_ctrl_regs->pwremu_mgmt);
+#else
+	       &davinci_uart2_ctrl_regs->pwremu_mgmt);
+#endif
+
+#if defined(CONFIG_SYS_DA850_DDR_INIT)
+	da850_ddr_setup();
+#endif
+
+	return 0;
+}

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/da850_pinmux.c

@@ -0,0 +1,190 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Pinmux configurations for the DA850 SoCs
+ *
+ * Copyright (C) 2011 OMICRON electronics GmbH
+ */
+
+#include <common.h>
+#include <asm/arch/davinci_misc.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pinmux_defs.h>
+
+/* SPI pin muxer settings */
+const struct pinmux_config spi0_pins_base[] = {
+	{ pinmux(3), 1, 0 }, /* SPI0_CLK */
+	{ pinmux(3), 1, 2 }, /* SPI0_SOMI */
+	{ pinmux(3), 1, 3 }, /* SPI0_SIMO */
+};
+
+const struct pinmux_config spi0_pins_scs0[] = {
+	{ pinmux(4), 1, 1 }, /* SPI0_SCS[0] */
+};
+
+const struct pinmux_config spi1_pins_base[] = {
+	{ pinmux(5), 1, 2 }, /* SPI1_CLK */
+	{ pinmux(5), 1, 4 }, /* SPI1_SOMI */
+	{ pinmux(5), 1, 5 }, /* SPI1_SIMO */
+};
+
+const struct pinmux_config spi1_pins_scs0[] = {
+	{ pinmux(5), 1, 1 }, /* SPI1_SCS[0] */
+};
+
+/* UART pin muxer settings */
+const struct pinmux_config uart0_pins_txrx[] = {
+	{ pinmux(3), 2, 4 }, /* UART0_RXD */
+	{ pinmux(3), 2, 5 }, /* UART0_TXD */
+};
+
+const struct pinmux_config uart0_pins_rtscts[] = {
+	{ pinmux(3), 2, 6 },
+	{ pinmux(3), 2, 7 },
+};
+
+const struct pinmux_config uart1_pins_txrx[] = {
+	{ pinmux(4), 2, 6 }, /* UART1_RXD */
+	{ pinmux(4), 2, 7 }, /* UART1_TXD */
+};
+
+const struct pinmux_config uart2_pins_txrx[] = {
+	{ pinmux(4), 2, 4 }, /* UART2_RXD */
+	{ pinmux(4), 2, 5 }, /* UART2_TXD */
+};
+
+const struct pinmux_config uart2_pins_rtscts[] = {
+	{ pinmux(0), 4, 6 }, /* UART2_RTS */
+	{ pinmux(0), 4, 7 }, /* UART2_CTS */
+};
+
+/* EMAC pin muxer settings*/
+const struct pinmux_config emac_pins_rmii[] = {
+	{ pinmux(14), 8, 2 }, /* RMII_TXD[1] */
+	{ pinmux(14), 8, 3 }, /* RMII_TXD[0] */
+	{ pinmux(14), 8, 4 }, /* RMII_TXEN */
+	{ pinmux(14), 8, 5 }, /* RMII_RXD[1] */
+	{ pinmux(14), 8, 6 }, /* RMII_RXD[0] */
+	{ pinmux(14), 8, 7 }, /* RMII_RXER */
+	{ pinmux(15), 0, 0 }, /* RMII_MHz_50_CLK */
+	{ pinmux(15), 8, 1 }, /* RMII_CRS_DV */
+};
+
+const struct pinmux_config emac_pins_mii[] = {
+	{ pinmux(2), 8, 1 }, /* MII_TXEN */
+	{ pinmux(2), 8, 2 }, /* MII_TXCLK */
+	{ pinmux(2), 8, 3 }, /* MII_COL */
+	{ pinmux(2), 8, 4 }, /* MII_TXD[3] */
+	{ pinmux(2), 8, 5 }, /* MII_TXD[2] */
+	{ pinmux(2), 8, 6 }, /* MII_TXD[1] */
+	{ pinmux(2), 8, 7 }, /* MII_TXD[0] */
+	{ pinmux(3), 8, 0 }, /* MII_RXCLK */
+	{ pinmux(3), 8, 1 }, /* MII_RXDV */
+	{ pinmux(3), 8, 2 }, /* MII_RXER */
+	{ pinmux(3), 8, 3 }, /* MII_CRS */
+	{ pinmux(3), 8, 4 }, /* MII_RXD[3] */
+	{ pinmux(3), 8, 5 }, /* MII_RXD[2] */
+	{ pinmux(3), 8, 6 }, /* MII_RXD[1] */
+	{ pinmux(3), 8, 7 }, /* MII_RXD[0] */
+};
+
+const struct pinmux_config emac_pins_mdio[] = {
+	{ pinmux(4), 8, 0 }, /* MDIO_CLK */
+	{ pinmux(4), 8, 1 }, /* MDIO_D */
+};
+
+/* I2C pin muxer settings */
+const struct pinmux_config i2c0_pins[] = {
+	{ pinmux(4), 2, 2 }, /* I2C0_SCL */
+	{ pinmux(4), 2, 3 }, /* I2C0_SDA */
+};
+
+const struct pinmux_config i2c1_pins[] = {
+	{ pinmux(4), 4, 4 }, /* I2C1_SCL */
+	{ pinmux(4), 4, 5 }, /* I2C1_SDA */
+};
+
+/* EMIFA pin muxer settings */
+const struct pinmux_config emifa_pins_cs2[] = {
+	{ pinmux(7), 1, 0 }, /* EMA_CS2 */
+};
+
+const struct pinmux_config emifa_pins_cs3[] = {
+	{ pinmux(7), 1, 1 }, /* EMA_CS[3] */
+};
+
+const struct pinmux_config emifa_pins_cs4[] = {
+	{ pinmux(7), 1, 2 }, /* EMA_CS[4] */
+};
+
+const struct pinmux_config emifa_pins_nand[] = {
+	{ pinmux(7), 1, 4 },  /* EMA_WE */
+	{ pinmux(7), 1, 5 },  /* EMA_OE */
+	{ pinmux(9), 1, 0 },  /* EMA_D[7] */
+	{ pinmux(9), 1, 1 },  /* EMA_D[6] */
+	{ pinmux(9), 1, 2 },  /* EMA_D[5] */
+	{ pinmux(9), 1, 3 },  /* EMA_D[4] */
+	{ pinmux(9), 1, 4 },  /* EMA_D[3] */
+	{ pinmux(9), 1, 5 },  /* EMA_D[2] */
+	{ pinmux(9), 1, 6 },  /* EMA_D[1] */
+	{ pinmux(9), 1, 7 },  /* EMA_D[0] */
+	{ pinmux(12), 1, 5 }, /* EMA_A[2] */
+	{ pinmux(12), 1, 6 }, /* EMA_A[1] */
+};
+
+/* NOR pin muxer settings */
+const struct pinmux_config emifa_pins_nor[] = {
+	{ pinmux(5), 1, 6 },  /* EMA_BA[1] */
+	{ pinmux(6), 1, 6 },  /* EMA_WAIT[1] */
+	{ pinmux(7), 1, 4 },  /* EMA_WE */
+	{ pinmux(7), 1, 5 },  /* EMA_OE */
+	{ pinmux(8), 1, 0 },  /* EMA_D[15] */
+	{ pinmux(8), 1, 1 },  /* EMA_D[14] */
+	{ pinmux(8), 1, 2 },  /* EMA_D[13] */
+	{ pinmux(8), 1, 3 },  /* EMA_D[12] */
+	{ pinmux(8), 1, 4 },  /* EMA_D[11] */
+	{ pinmux(8), 1, 5 },  /* EMA_D[10] */
+	{ pinmux(8), 1, 6 },  /* EMA_D[9] */
+	{ pinmux(8), 1, 7 },  /* EMA_D[8] */
+	{ pinmux(9), 1, 0 },  /* EMA_D[7] */
+	{ pinmux(9), 1, 1 },  /* EMA_D[6] */
+	{ pinmux(9), 1, 2 },  /* EMA_D[5] */
+	{ pinmux(9), 1, 3 },  /* EMA_D[4] */
+	{ pinmux(9), 1, 4 },  /* EMA_D[3] */
+	{ pinmux(9), 1, 5 },  /* EMA_D[2] */
+	{ pinmux(9), 1, 6 },  /* EMA_D[1] */
+	{ pinmux(9), 1, 7 },  /* EMA_D[0] */
+	{ pinmux(10), 1, 1 }, /* EMA_A[22] */
+	{ pinmux(10), 1, 2 }, /* EMA_A[21] */
+	{ pinmux(10), 1, 3 }, /* EMA_A[20] */
+	{ pinmux(10), 1, 4 }, /* EMA_A[19] */
+	{ pinmux(10), 1, 5 }, /* EMA_A[18] */
+	{ pinmux(10), 1, 6 }, /* EMA_A[17] */
+	{ pinmux(10), 1, 7 }, /* EMA_A[16] */
+	{ pinmux(11), 1, 0 }, /* EMA_A[15] */
+	{ pinmux(11), 1, 1 }, /* EMA_A[14] */
+	{ pinmux(11), 1, 2 }, /* EMA_A[13] */
+	{ pinmux(11), 1, 3 }, /* EMA_A[12] */
+	{ pinmux(11), 1, 4 }, /* EMA_A[11] */
+	{ pinmux(11), 1, 5 }, /* EMA_A[10] */
+	{ pinmux(11), 1, 6 }, /* EMA_A[9] */
+	{ pinmux(11), 1, 7 }, /* EMA_A[8] */
+	{ pinmux(12), 1, 0 }, /* EMA_A[7] */
+	{ pinmux(12), 1, 1 }, /* EMA_A[6] */
+	{ pinmux(12), 1, 2 }, /* EMA_A[5] */
+	{ pinmux(12), 1, 3 }, /* EMA_A[4] */
+	{ pinmux(12), 1, 4 }, /* EMA_A[3] */
+	{ pinmux(12), 1, 5 }, /* EMA_A[2] */
+	{ pinmux(12), 1, 6 }, /* EMA_A[1] */
+	{ pinmux(12), 1, 7 }, /* EMA_A[0] */
+};
+
+/* MMC0 pin muxer settings */
+const struct pinmux_config mmc0_pins[] = {
+	{ pinmux(10), 2, 0 },	/* MMCSD0_CLK */
+	{ pinmux(10), 2, 1 },	/* MMCSD0_CMD */
+	{ pinmux(10), 2, 2 },	/* MMCSD0_DAT_0 */
+	{ pinmux(10), 2, 3 },	/* MMCSD0_DAT_1 */
+	{ pinmux(10), 2, 4 },	/* MMCSD0_DAT_2 */
+	{ pinmux(10), 2, 5 },	/* MMCSD0_DAT_3 */
+	/* DA850 supports only 4-bit mode, remaining pins are not configured */
+};

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/aintc_defs.h

@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ */
+#ifndef _DV_AINTC_DEFS_H_
+#define _DV_AINTC_DEFS_H_
+
+struct dv_aintc_regs {
+	unsigned int	fiq0;		/* 0x00 */
+	unsigned int	fiq1;		/* 0x04 */
+	unsigned int	irq0;		/* 0x08 */
+	unsigned int	irq1;		/* 0x0c */
+	unsigned int	fiqentry;	/* 0x10 */
+	unsigned int	irqentry;	/* 0x14 */
+	unsigned int	eint0;		/* 0x18 */
+	unsigned int	eint1;		/* 0x1c */
+	unsigned int	intctl;		/* 0x20 */
+	unsigned int	eabase;		/* 0x24 */
+	unsigned char	rsvd0[8];	/* 0x28 */
+	unsigned int	intpri0;	/* 0x30 */
+	unsigned int	intpri1;	/* 0x34 */
+	unsigned int	intpri2;	/* 0x38 */
+	unsigned int	intpri3;	/* 0x3c */
+	unsigned int	intpri4;	/* 0x40 */
+	unsigned int	intpri5;	/* 0x44 */
+	unsigned int	intpri6;	/* 0x48 */
+	unsigned int	intpri7;	/* 0x4c */
+};
+
+#define dv_aintc_regs ((struct dv_aintc_regs *)DAVINCI_ARM_INTC_BASE)
+
+#define DV_AINTC_INTCTL_IDMODE	(1 << 2)
+
+#endif /* _DV_AINTC_DEFS_H_ */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/da850_lowlevel.h

@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * SoC-specific lowlevel code for DA850
+ *
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ */
+#ifndef __DA850_LOWLEVEL_H
+#define __DA850_LOWLEVEL_H
+
+#include <asm/arch/pinmux_defs.h>
+
+/* pinmux_resource[] vector is defined in the board specific file */
+extern const struct pinmux_resource pinmuxes[];
+extern const int pinmuxes_size;
+
+extern const struct lpsc_resource lpsc[];
+extern const int lpsc_size;
+
+/* NOR Boot Configuration Word Field Descriptions */
+#define DA850_NORBOOT_COPY_XK(X)	((X - 1) << 8)
+#define DA850_NORBOOT_METHOD_DIRECT	(1 << 4)
+#define DA850_NORBOOT_16BIT		(1 << 0)
+
+#define dv_maskbits(addr, val) \
+	writel((readl(addr) & val), addr)
+
+void da850_lpc_transition(unsigned char pscnum, unsigned char module,
+		unsigned char domain, unsigned char state);
+void da850_psc_init(void);
+void da850_pinmux_ctl(unsigned long offset, unsigned long mask,
+	unsigned long value);
+
+#endif /* #ifndef __DA850_LOWLEVEL_H */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/da8xx-usb.h

@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * da8xx-usb.h -- TI's DA8xx platform specific usb wrapper definitions.
+ *
+ * Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
+ *
+ * Based on drivers/usb/musb/davinci.h
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated
+ */
+#ifndef __DA8XX_MUSB_H__
+#define __DA8XX_MUSB_H__
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/gpio.h>
+
+/* Base address of da8xx usb0 wrapper */
+#define DA8XX_USB_OTG_BASE  0x01E00000
+
+/* Base address of da8xx musb core */
+#define DA8XX_USB_OTG_CORE_BASE (DA8XX_USB_OTG_BASE + 0x400)
+
+/* Timeout for DA8xx usb module */
+#define DA8XX_USB_OTG_TIMEOUT 0x3FFFFFF
+
+/*
+ * DA8xx platform USB wrapper register overlay.
+ */
+struct da8xx_usb_regs {
+	dv_reg	revision;
+	dv_reg	control;
+	dv_reg 	status;
+	dv_reg 	emulation;
+	dv_reg 	mode;
+	dv_reg 	autoreq;
+	dv_reg 	srpfixtime;
+	dv_reg 	teardown;
+	dv_reg 	intsrc;
+	dv_reg 	intsrc_set;
+	dv_reg 	intsrc_clr;
+	dv_reg 	intmsk;
+	dv_reg 	intmsk_set;
+	dv_reg 	intmsk_clr;
+	dv_reg 	intsrcmsk;
+	dv_reg 	eoi;
+	dv_reg 	intvector;
+	dv_reg 	grndis_size[4];
+};
+
+#define da8xx_usb_regs ((struct da8xx_usb_regs *)DA8XX_USB_OTG_BASE)
+
+/* DA8XX interrupt bits definitions */
+#define DA8XX_USB_TX_ENDPTS_MASK  0x1f	/* ep0 + 4 tx */
+#define DA8XX_USB_RX_ENDPTS_MASK  0x1e	/* 4 rx */
+#define DA8XX_USB_TXINT_SHIFT	  0
+#define DA8XX_USB_RXINT_SHIFT	  8
+
+#define DA8XX_USB_USBINT_MASK	  0x01ff0000	/* 8 Mentor, DRVVBUS */
+#define DA8XX_USB_TXINT_MASK \
+		(DA8XX_USB_TX_ENDPTS_MASK << DA8XX_USB_TXINT_SHIFT)
+#define DA8XX_USB_RXINT_MASK \
+		(DA8XX_USB_RX_ENDPTS_MASK << DA8XX_USB_RXINT_SHIFT)
+
+/* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */
+#define CFGCHIP2_PHYCLKGD	(1 << 17)
+#define CFGCHIP2_VBUSSENSE	(1 << 16)
+#define CFGCHIP2_RESET		(1 << 15)
+#define CFGCHIP2_OTGMODE	(3 << 13)
+#define CFGCHIP2_NO_OVERRIDE	(0 << 13)
+#define CFGCHIP2_FORCE_HOST	(1 << 13)
+#define CFGCHIP2_FORCE_DEVICE 	(2 << 13)
+#define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13)
+#define CFGCHIP2_USB1PHYCLKMUX	(1 << 12)
+#define CFGCHIP2_USB2PHYCLKMUX	(1 << 11)
+#define CFGCHIP2_PHYPWRDN	(1 << 10)
+#define CFGCHIP2_OTGPWRDN	(1 << 9)
+#define CFGCHIP2_DATPOL 	(1 << 8)
+#define CFGCHIP2_USB1SUSPENDM	(1 << 7)
+#define CFGCHIP2_PHY_PLLON	(1 << 6)	/* override PLL suspend */
+#define CFGCHIP2_SESENDEN	(1 << 5)	/* Vsess_end comparator */
+#define CFGCHIP2_VBDTCTEN	(1 << 4)	/* Vbus comparator */
+#define CFGCHIP2_REFFREQ	(0xf << 0)
+#define CFGCHIP2_REFFREQ_12MHZ	(1 << 0)
+#define CFGCHIP2_REFFREQ_24MHZ	(2 << 0)
+#define CFGCHIP2_REFFREQ_48MHZ	(3 << 0)
+
+#define DA8XX_USB_VBUS_GPIO	(1 << 15)
+
+#endif	/* __DA8XX_MUSB_H__ */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/davinci_misc.h

@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ */
+
+#ifndef __MISC_H
+#define __MISC_H
+
+#include <asm/arch/hardware.h>
+
+/* pin muxer definitions */
+#define PIN_MUX_NUM_FIELDS	8	/* Per register */
+#define PIN_MUX_FIELD_SIZE	4	/* n in bits */
+#define PIN_MUX_FIELD_MASK	((1 << PIN_MUX_FIELD_SIZE) - 1)
+
+/* pin definition */
+struct pinmux_config {
+	dv_reg		*mux;		/* Address of mux register */
+	unsigned char	value;		/* Value to set in field */
+	unsigned char	field;		/* field number */
+};
+
+/* pin table definition */
+struct pinmux_resource {
+	const struct pinmux_config	*pins;
+	const int 			n_pins;
+};
+
+#define PINMUX_ITEM(item) { \
+				.pins = item, \
+				.n_pins = ARRAY_SIZE(item) \
+			  }
+
+struct lpsc_resource {
+	const int	lpsc_no;
+};
+
+int dvevm_read_mac_address(uint8_t *buf);
+void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr);
+int davinci_configure_pin_mux(const struct pinmux_config *pins, int n_pins);
+int davinci_configure_pin_mux_items(const struct pinmux_resource *item,
+				    int n_items);
+#if defined(CONFIG_DRIVER_TI_EMAC)
+void davinci_emac_mii_mode_sel(int mode_sel);
+#endif
+void irq_init(void);
+int da8xx_configure_lpsc_items(const struct lpsc_resource *item,
+				    const int n_items);
+
+#endif /* __MISC_H */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/ddr2_defs.h

@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ */
+#ifndef _DV_DDR2_DEFS_H_
+#define _DV_DDR2_DEFS_H_
+
+/*
+ * DDR2 Memory Ctrl Register structure
+ * See sprueh7d.pdf for more details.
+ */
+struct dv_ddr2_regs_ctrl {
+	unsigned char	rsvd0[4];	/* 0x00 */
+	unsigned int	sdrstat;	/* 0x04 */
+	unsigned int	sdbcr;		/* 0x08 */
+	unsigned int	sdrcr;		/* 0x0C */
+	unsigned int	sdtimr;		/* 0x10 */
+	unsigned int	sdtimr2;	/* 0x14 */
+	unsigned char	rsvd1[4];	/* 0x18 */
+	unsigned int	sdbcr2;		/* 0x1C */
+	unsigned int	pbbpr;		/* 0x20 */
+	unsigned char	rsvd2[156];	/* 0x24 */
+	unsigned int	irr;		/* 0xC0 */
+	unsigned int	imr;		/* 0xC4 */
+	unsigned int	imsr;		/* 0xC8 */
+	unsigned int	imcr;		/* 0xCC */
+	unsigned char	rsvd3[20];	/* 0xD0 */
+	unsigned int	ddrphycr;	/* 0xE4 */
+	unsigned int	ddrphycr2;	/* 0xE8 */
+	unsigned char	rsvd4[4];	/* 0xEC */
+};
+
+#define DV_DDR_PHY_PWRDNEN		0x40
+#define DV_DDR_PHY_EXT_STRBEN	0x80
+#define DV_DDR_PHY_RD_LATENCY_SHIFT	0
+
+#define DV_DDR_SDTMR1_RFC_SHIFT	25
+#define DV_DDR_SDTMR1_RP_SHIFT	22
+#define DV_DDR_SDTMR1_RCD_SHIFT	19
+#define DV_DDR_SDTMR1_WR_SHIFT	16
+#define DV_DDR_SDTMR1_RAS_SHIFT	11
+#define DV_DDR_SDTMR1_RC_SHIFT	6
+#define DV_DDR_SDTMR1_RRD_SHIFT	3
+#define DV_DDR_SDTMR1_WTR_SHIFT	0
+
+#define DV_DDR_SDTMR2_RASMAX_SHIFT	27
+#define DV_DDR_SDTMR2_XP_SHIFT	25
+#define DV_DDR_SDTMR2_ODT_SHIFT	23
+#define DV_DDR_SDTMR2_XSNR_SHIFT	16
+#define DV_DDR_SDTMR2_XSRD_SHIFT	8
+#define DV_DDR_SDTMR2_RTP_SHIFT	5
+#define DV_DDR_SDTMR2_CKE_SHIFT	0
+
+#define DV_DDR_SDCR_DDR2TERM1_SHIFT	27
+#define DV_DDR_SDCR_IBANK_POS_SHIFT	26
+#define DV_DDR_SDCR_MSDRAMEN_SHIFT	25
+#define DV_DDR_SDCR_DDRDRIVE1_SHIFT	24
+#define DV_DDR_SDCR_BOOTUNLOCK_SHIFT	23
+#define DV_DDR_SDCR_DDR_DDQS_SHIFT	22
+#define DV_DDR_SDCR_DDR2EN_SHIFT	20
+#define DV_DDR_SDCR_DDRDRIVE0_SHIFT	18
+#define DV_DDR_SDCR_DDREN_SHIFT	17
+#define DV_DDR_SDCR_SDRAMEN_SHIFT	16
+#define DV_DDR_SDCR_TIMUNLOCK_SHIFT	15
+#define DV_DDR_SDCR_BUS_WIDTH_SHIFT	14
+#define DV_DDR_SDCR_CL_SHIFT		9
+#define DV_DDR_SDCR_IBANK_SHIFT	4
+#define DV_DDR_SDCR_PAGESIZE_SHIFT	0
+
+#define DV_DDR_SDRCR_LPMODEN	(1 << 31)
+#define DV_DDR_SDRCR_MCLKSTOPEN	(1 << 30)
+
+#define DV_DDR_SRCR_LPMODEN_SHIFT	31
+#define DV_DDR_SRCR_MCLKSTOPEN_SHIFT	30
+
+#define DV_DDR_BOOTUNLOCK	(1 << DV_DDR_SDCR_BOOTUNLOCK_SHIFT)
+#define DV_DDR_TIMUNLOCK	(1 << DV_DDR_SDCR_TIMUNLOCK_SHIFT)
+
+#define dv_ddr2_regs_ctrl \
+	((struct dv_ddr2_regs_ctrl *)DAVINCI_DDR_EMIF_CTRL_BASE)
+
+#endif /* _DV_DDR2_DEFS_H_ */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/dm365_lowlevel.h

@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * SoC-specific lowlevel code for tms320dm365 and similar chips
+ *
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ */
+#ifndef __DM365_LOWLEVEL_H
+#define __DM365_LOWLEVEL_H
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+
+void dm365_waitloop(unsigned long loopcnt);
+int dm365_pll1_init(unsigned long pllmult, unsigned long prediv);
+int dm365_pll2_init(unsigned long pllm, unsigned long prediv);
+int dm365_ddr_setup(void);
+void dm365_psc_init(void);
+void dm365_pinmux_ctl(unsigned long offset, unsigned long mask,
+	unsigned long value);
+void dm36x_lowlevel_init(ulong bootflag);
+
+#endif /* #ifndef __DM365_LOWLEVEL_H */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/emac_defs.h

@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Based on:
+ *
+ * ----------------------------------------------------------------------------
+ *
+ * dm644x_emac.h
+ *
+ * TI DaVinci (DM644X) EMAC peripheral driver header for DV-EVM
+ *
+ * Copyright (C) 2005 Texas Instruments.
+ *
+ * ----------------------------------------------------------------------------
+ *
+ * Modifications:
+ * ver. 1.0: Sep 2005, TI PSP Team - Created EMAC version for uBoot.
+ */
+
+#ifndef _DM644X_EMAC_H_
+#define _DM644X_EMAC_H_
+
+#include <asm/arch/hardware.h>
+
+#define EMAC_BASE_ADDR			DAVINCI_EMAC_CNTRL_REGS_BASE
+#define EMAC_WRAPPER_BASE_ADDR		DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE
+#define EMAC_WRAPPER_RAM_ADDR		DAVINCI_EMAC_WRAPPER_RAM_BASE
+#define EMAC_MDIO_BASE_ADDR		DAVINCI_MDIO_CNTRL_REGS_BASE
+#define DAVINCI_EMAC_VERSION2
+
+/* MDIO module input frequency */
+#define EMAC_MDIO_BUS_FREQ		clk_get(DAVINCI_MDIO_CLKID)
+/* MDIO clock output frequency */
+#define EMAC_MDIO_CLOCK_FREQ		2000000		/* 2.0 MHz */
+
+#endif  /* _DM644X_EMAC_H_ */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/gpio.h

@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2009 Texas Instruments Incorporated
+ */
+#ifndef _GPIO_DEFS_H_
+#define _GPIO_DEFS_H_
+
+#define DAVINCI_GPIO_BINTEN	0x01E26008
+#define DAVINCI_GPIO_BANK01	0x01E26010
+#define DAVINCI_GPIO_BANK23	0x01E26038
+#define DAVINCI_GPIO_BANK45	0x01E26060
+#define DAVINCI_GPIO_BANK67	0x01E26088
+#define DAVINCI_GPIO_BANK8	0x01E260B0
+
+#define davinci_gpio_bank01 ((struct davinci_gpio *)DAVINCI_GPIO_BANK01)
+#define davinci_gpio_bank23 ((struct davinci_gpio *)DAVINCI_GPIO_BANK23)
+#define davinci_gpio_bank45 ((struct davinci_gpio *)DAVINCI_GPIO_BANK45)
+#define davinci_gpio_bank67 ((struct davinci_gpio *)DAVINCI_GPIO_BANK67)
+#define davinci_gpio_bank8 ((struct davinci_gpio *)DAVINCI_GPIO_BANK8)
+
+#ifndef CONFIG_DM_GPIO
+#define gpio_status()		gpio_info()
+#endif
+#define GPIO_NAME_SIZE		20
+#define MAX_NUM_GPIOS		144
+#define GPIO_BANK(gp)		(davinci_gpio_bank01 + ((gp) >> 5))
+
+void gpio_info(void);
+
+#endif

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/hardware.h

@@ -0,0 +1,415 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Based on:
+ *
+ * -------------------------------------------------------------------------
+ *
+ *  linux/include/asm-arm/arch-davinci/hardware.h
+ *
+ *  Copyright (C) 2006 Texas Instruments.
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include <linux/sizes.h>
+
+#define	REG(addr)	(*(volatile unsigned int *)(addr))
+#define REG_P(addr)	((volatile unsigned int *)(addr))
+
+#ifndef __ASSEMBLY__
+typedef volatile unsigned int	dv_reg;
+typedef volatile unsigned int *	dv_reg_p;
+#endif
+
+#define DAVINCI_UART0_BASE			0x01c42000
+#define DAVINCI_UART1_BASE			0x01d0c000
+#define DAVINCI_UART2_BASE			0x01d0d000
+#define DAVINCI_I2C0_BASE			0x01c22000
+#define DAVINCI_I2C1_BASE			0x01e28000
+#define DAVINCI_TIMER0_BASE			0x01c20000
+#define DAVINCI_TIMER1_BASE			0x01c21000
+#define DAVINCI_WDOG_BASE			0x01c21000
+#define DAVINCI_RTC_BASE			0x01c23000
+#define DAVINCI_PLL_CNTRL0_BASE			0x01c11000
+#define DAVINCI_PLL_CNTRL1_BASE			0x01e1a000
+#define DAVINCI_PSC0_BASE			0x01c10000
+#define DAVINCI_PSC1_BASE			0x01e27000
+#define DAVINCI_SPI0_BASE			0x01c41000
+#define DAVINCI_USB_OTG_BASE			0x01e00000
+#define DAVINCI_SPI1_BASE			(cpu_is_da830() ? \
+						0x01e12000 : 0x01f0e000)
+#define DAVINCI_GPIO_BASE			0x01e26000
+#define DAVINCI_EMAC_CNTRL_REGS_BASE		0x01e23000
+#define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE	0x01e22000
+#define DAVINCI_EMAC_WRAPPER_RAM_BASE		0x01e20000
+#define DAVINCI_MDIO_CNTRL_REGS_BASE		0x01e24000
+#define DAVINCI_SYSCFG1_BASE			0x01e2c000
+#define DAVINCI_MMC_SD0_BASE			0x01c40000
+#define DAVINCI_MMC_SD1_BASE			0x01e1b000
+#define DAVINCI_TIMER2_BASE			0x01f0c000
+#define DAVINCI_TIMER3_BASE			0x01f0d000
+#define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x68000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE	0x40000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE	0x60000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE	0x62000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE4_BASE	0x64000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE5_BASE	0x66000000
+#define DAVINCI_DDR_EMIF_CTRL_BASE		0xb0000000
+#define DAVINCI_DDR_EMIF_DATA_BASE		0xc0000000
+#define DAVINCI_INTC_BASE			0xfffee000
+#define DAVINCI_BOOTCFG_BASE			0x01c14000
+#define DAVINCI_LCD_CNTL_BASE			0x01e13000
+#define DAVINCI_L3CBARAM_BASE			0x80000000
+#define JTAG_ID_REG                            (DAVINCI_BOOTCFG_BASE + 0x18)
+#define CHIP_REV_ID_REG				(DAVINCI_BOOTCFG_BASE + 0x24)
+#define HOST1CFG				(DAVINCI_BOOTCFG_BASE + 0x44)
+#define PSC0_MDCTL				(DAVINCI_PSC0_BASE + 0xa00)
+
+#define GPIO_BANK0_REG_DIR_ADDR			(DAVINCI_GPIO_BASE + 0x10)
+#define GPIO_BANK0_REG_OPDATA_ADDR		(DAVINCI_GPIO_BASE + 0x14)
+#define GPIO_BANK0_REG_SET_ADDR			(DAVINCI_GPIO_BASE + 0x18)
+#define GPIO_BANK0_REG_CLR_ADDR			(DAVINCI_GPIO_BASE + 0x1c)
+#define GPIO_BANK2_REG_DIR_ADDR			(DAVINCI_GPIO_BASE + 0x38)
+#define GPIO_BANK2_REG_OPDATA_ADDR		(DAVINCI_GPIO_BASE + 0x3c)
+#define GPIO_BANK2_REG_SET_ADDR			(DAVINCI_GPIO_BASE + 0x40)
+#define GPIO_BANK2_REG_CLR_ADDR			(DAVINCI_GPIO_BASE + 0x44)
+#define GPIO_BANK6_REG_DIR_ADDR			(DAVINCI_GPIO_BASE + 0x88)
+#define GPIO_BANK6_REG_OPDATA_ADDR		(DAVINCI_GPIO_BASE + 0x8c)
+#define GPIO_BANK6_REG_SET_ADDR			(DAVINCI_GPIO_BASE + 0x90)
+#define GPIO_BANK6_REG_CLR_ADDR			(DAVINCI_GPIO_BASE + 0x94)
+
+/* Power and Sleep Controller (PSC) Domains */
+#define DAVINCI_GPSC_ARMDOMAIN		0
+#define DAVINCI_GPSC_DSPDOMAIN		1
+
+#define DAVINCI_LPSC_TPCC		0
+#define DAVINCI_LPSC_TPTC0		1
+#define DAVINCI_LPSC_TPTC1		2
+#define DAVINCI_LPSC_AEMIF		3
+#define DAVINCI_LPSC_SPI0		4
+#define DAVINCI_LPSC_MMC_SD		5
+#define DAVINCI_LPSC_AINTC		6
+#define DAVINCI_LPSC_ARM_RAM_ROM	7
+#define DAVINCI_LPSC_SECCTL_KEYMGR	8
+#define DAVINCI_LPSC_UART0		9
+#define DAVINCI_LPSC_SCR0		10
+#define DAVINCI_LPSC_SCR1		11
+#define DAVINCI_LPSC_SCR2		12
+#define DAVINCI_LPSC_DMAX		13
+#define DAVINCI_LPSC_ARM		14
+#define DAVINCI_LPSC_GEM		15
+
+/* for LPSCs in PSC1, offset from 32 for differentiation */
+#define DAVINCI_LPSC_PSC1_BASE		32
+#define DAVINCI_LPSC_USB20		(DAVINCI_LPSC_PSC1_BASE + 1)
+#define DAVINCI_LPSC_USB11		(DAVINCI_LPSC_PSC1_BASE + 2)
+#define DAVINCI_LPSC_GPIO		(DAVINCI_LPSC_PSC1_BASE + 3)
+#define DAVINCI_LPSC_UHPI		(DAVINCI_LPSC_PSC1_BASE + 4)
+#define DAVINCI_LPSC_EMAC		(DAVINCI_LPSC_PSC1_BASE + 5)
+#define DAVINCI_LPSC_DDR_EMIF		(DAVINCI_LPSC_PSC1_BASE + 6)
+#define DAVINCI_LPSC_McASP0		(DAVINCI_LPSC_PSC1_BASE + 7)
+#define DAVINCI_LPSC_SPI1		(DAVINCI_LPSC_PSC1_BASE + 10)
+#define DAVINCI_LPSC_I2C1		(DAVINCI_LPSC_PSC1_BASE + 11)
+#define DAVINCI_LPSC_UART1		(DAVINCI_LPSC_PSC1_BASE + 12)
+#define DAVINCI_LPSC_UART2		(DAVINCI_LPSC_PSC1_BASE + 13)
+#define DAVINCI_LPSC_LCDC		(DAVINCI_LPSC_PSC1_BASE + 16)
+#define DAVINCI_LPSC_ePWM		(DAVINCI_LPSC_PSC1_BASE + 17)
+#define DAVINCI_LPSC_MMCSD1		(DAVINCI_LPSC_PSC1_BASE + 18)
+#define DAVINCI_LPSC_eCAP		(DAVINCI_LPSC_PSC1_BASE + 20)
+#define DAVINCI_LPSC_L3_CBA_RAM		(DAVINCI_LPSC_PSC1_BASE + 31)
+
+/* DA830-specific peripherals */
+#define DAVINCI_LPSC_McASP1		(DAVINCI_LPSC_PSC1_BASE + 8)
+#define DAVINCI_LPSC_McASP2		(DAVINCI_LPSC_PSC1_BASE + 9)
+#define DAVINCI_LPSC_eQEP		(DAVINCI_LPSC_PSC1_BASE + 21)
+#define DAVINCI_LPSC_SCR8		(DAVINCI_LPSC_PSC1_BASE + 24)
+#define DAVINCI_LPSC_SCR7		(DAVINCI_LPSC_PSC1_BASE + 25)
+#define DAVINCI_LPSC_SCR12		(DAVINCI_LPSC_PSC1_BASE + 26)
+
+/* DA850-specific peripherals */
+#define DAVINCI_LPSC_TPCC1		(DAVINCI_LPSC_PSC1_BASE + 0)
+#define DAVINCI_LPSC_SATA		(DAVINCI_LPSC_PSC1_BASE + 8)
+#define DAVINCI_LPSC_VPIF		(DAVINCI_LPSC_PSC1_BASE + 9)
+#define DAVINCI_LPSC_McBSP0		(DAVINCI_LPSC_PSC1_BASE + 14)
+#define DAVINCI_LPSC_McBSP1		(DAVINCI_LPSC_PSC1_BASE + 15)
+#define DAVINCI_LPSC_MMC_SD1		(DAVINCI_LPSC_PSC1_BASE + 18)
+#define DAVINCI_LPSC_uPP		(DAVINCI_LPSC_PSC1_BASE + 19)
+#define DAVINCI_LPSC_TPTC2		(DAVINCI_LPSC_PSC1_BASE + 21)
+#define DAVINCI_LPSC_SCR_F0		(DAVINCI_LPSC_PSC1_BASE + 24)
+#define DAVINCI_LPSC_SCR_F1		(DAVINCI_LPSC_PSC1_BASE + 25)
+#define DAVINCI_LPSC_SCR_F2		(DAVINCI_LPSC_PSC1_BASE + 26)
+#define DAVINCI_LPSC_SCR_F6		(DAVINCI_LPSC_PSC1_BASE + 27)
+#define DAVINCI_LPSC_SCR_F7		(DAVINCI_LPSC_PSC1_BASE + 28)
+#define DAVINCI_LPSC_SCR_F8		(DAVINCI_LPSC_PSC1_BASE + 29)
+#define DAVINCI_LPSC_BR_F7		(DAVINCI_LPSC_PSC1_BASE + 30)
+
+#ifndef __ASSEMBLY__
+void lpsc_on(unsigned int id);
+void lpsc_syncreset(unsigned int id);
+void lpsc_disable(unsigned int id);
+void dsp_on(void);
+
+void davinci_enable_uart0(void);
+void davinci_enable_emac(void);
+void davinci_enable_i2c(void);
+void davinci_errata_workarounds(void);
+
+#define	PSC_ENABLE		0x3
+#define	PSC_DISABLE		0x2
+#define	PSC_SYNCRESET		0x1
+#define	PSC_SWRSTDISABLE	0x0
+
+#define PSC_PSC0_MODULE_ID_CNT		16
+#define PSC_PSC1_MODULE_ID_CNT		32
+
+#define UART0_PWREMU_MGMT		(0x01c42030)
+
+struct davinci_psc_regs {
+	dv_reg	revid;
+	dv_reg	rsvd0[71];
+	dv_reg	ptcmd;
+	dv_reg	rsvd1;
+	dv_reg	ptstat;
+	dv_reg	rsvd2[437];
+	union {
+		struct {
+			dv_reg	mdstat[PSC_PSC0_MODULE_ID_CNT];
+			dv_reg	rsvd3[112];
+			dv_reg	mdctl[PSC_PSC0_MODULE_ID_CNT];
+		} psc0;
+		struct {
+			dv_reg	mdstat[PSC_PSC1_MODULE_ID_CNT];
+			dv_reg	rsvd3[96];
+			dv_reg	mdctl[PSC_PSC1_MODULE_ID_CNT];
+		} psc1;
+	};
+};
+
+#define davinci_psc0_regs ((struct davinci_psc_regs *)DAVINCI_PSC0_BASE)
+#define davinci_psc1_regs ((struct davinci_psc_regs *)DAVINCI_PSC1_BASE)
+
+#define PSC_MDSTAT_STATE		0x3f
+#define PSC_MDCTL_NEXT			0x07
+
+struct davinci_pllc_regs {
+	dv_reg	revid;
+	dv_reg	rsvd1[56];
+	dv_reg	rstype;
+	dv_reg	rsvd2[6];
+	dv_reg	pllctl;
+	dv_reg	ocsel;
+	dv_reg	rsvd3[2];
+	dv_reg	pllm;
+	dv_reg	prediv;
+	dv_reg	plldiv1;
+	dv_reg	plldiv2;
+	dv_reg	plldiv3;
+	dv_reg	oscdiv;
+	dv_reg	postdiv;
+	dv_reg	rsvd4[3];
+	dv_reg	pllcmd;
+	dv_reg	pllstat;
+	dv_reg	alnctl;
+	dv_reg	dchange;
+	dv_reg	cken;
+	dv_reg	ckstat;
+	dv_reg	systat;
+	dv_reg	rsvd5[3];
+	dv_reg	plldiv4;
+	dv_reg	plldiv5;
+	dv_reg	plldiv6;
+	dv_reg	plldiv7;
+	dv_reg	rsvd6[32];
+	dv_reg	emucnt0;
+	dv_reg	emucnt1;
+};
+
+#define davinci_pllc0_regs ((struct davinci_pllc_regs *)DAVINCI_PLL_CNTRL0_BASE)
+#define davinci_pllc1_regs ((struct davinci_pllc_regs *)DAVINCI_PLL_CNTRL1_BASE)
+#define DAVINCI_PLLC_DIV_MASK	0x1f
+
+/*
+ * A clock ID is a 32-bit number where bit 16 represents the PLL controller
+ * (clear is PLLC0, set is PLLC1) and the low 16 bits represent the divisor,
+ * counting from 1. Clock IDs may be passed to clk_get().
+ */
+
+/* flags to select PLL controller */
+#define DAVINCI_PLLC0_FLAG			(0)
+#define DAVINCI_PLLC1_FLAG			(1 << 16)
+
+enum davinci_clk_ids {
+	/*
+	 * Clock IDs for PLL outputs. Each may be switched on/off
+	 * independently, and each may map to one or more peripherals.
+	 */
+	DAVINCI_PLL0_SYSCLK2			= DAVINCI_PLLC0_FLAG | 2,
+	DAVINCI_PLL0_SYSCLK4			= DAVINCI_PLLC0_FLAG | 4,
+	DAVINCI_PLL0_SYSCLK6			= DAVINCI_PLLC0_FLAG | 6,
+	DAVINCI_PLL1_SYSCLK1			= DAVINCI_PLLC1_FLAG | 1,
+	DAVINCI_PLL1_SYSCLK2			= DAVINCI_PLLC1_FLAG | 2,
+
+	/* map peripherals to clock IDs */
+	DAVINCI_ARM_CLKID			= DAVINCI_PLL0_SYSCLK6,
+	DAVINCI_DDR_CLKID			= DAVINCI_PLL1_SYSCLK1,
+	DAVINCI_MDIO_CLKID			= DAVINCI_PLL0_SYSCLK4,
+	DAVINCI_MMC_CLKID			= DAVINCI_PLL0_SYSCLK2,
+	DAVINCI_SPI0_CLKID			= DAVINCI_PLL0_SYSCLK2,
+	DAVINCI_MMCSD_CLKID			= DAVINCI_PLL0_SYSCLK2,
+
+	/* special clock ID - output of PLL multiplier */
+	DAVINCI_PLLM_CLKID			= 0x0FF,
+
+	/* special clock ID - output of PLL post divisor */
+	DAVINCI_PLLC_CLKID			= 0x100,
+
+	/* special clock ID - PLL bypass */
+	DAVINCI_AUXCLK_CLKID			= 0x101,
+};
+
+#define DAVINCI_UART2_CLKID	(cpu_is_da830() ? DAVINCI_PLL0_SYSCLK2 \
+						: get_async3_src())
+
+#define DAVINCI_SPI1_CLKID	(cpu_is_da830() ? DAVINCI_PLL0_SYSCLK2 \
+						: get_async3_src())
+
+int clk_get(enum davinci_clk_ids id);
+
+/* Boot config */
+struct davinci_syscfg_regs {
+	dv_reg	revid;
+	dv_reg	rsvd[7];
+	dv_reg	bootcfg;
+	dv_reg	chiprevidr;
+	dv_reg	rsvd2[4];
+	dv_reg	kick0;
+	dv_reg	kick1;
+	dv_reg	rsvd1[52];
+	dv_reg	mstpri[3];
+	dv_reg  rsvd3;
+	dv_reg	pinmux[20];
+	dv_reg	suspsrc;
+	dv_reg	chipsig;
+	dv_reg	chipsig_clr;
+	dv_reg	cfgchip0;
+	dv_reg	cfgchip1;
+	dv_reg	cfgchip2;
+	dv_reg	cfgchip3;
+	dv_reg	cfgchip4;
+};
+
+#define davinci_syscfg_regs \
+	((struct davinci_syscfg_regs *)DAVINCI_BOOTCFG_BASE)
+
+enum {
+	DAVINCI_NAND8_BOOT	= 0b001110,
+	DAVINCI_NAND16_BOOT	= 0b010000,
+	DAVINCI_SD_OR_MMC_BOOT	= 0b011100,
+	DAVINCI_MMC_ONLY_BOOT	= 0b111100,
+	DAVINCI_SPI0_FLASH_BOOT	= 0b001010,
+	DAVINCI_SPI1_FLASH_BOOT	= 0b001100,
+};
+
+#define pinmux(x)	(&davinci_syscfg_regs->pinmux[x])
+
+/* Emulation suspend bits */
+#define DAVINCI_SYSCFG_SUSPSRC_EMAC		(1 << 5)
+#define DAVINCI_SYSCFG_SUSPSRC_I2C		(1 << 16)
+#define DAVINCI_SYSCFG_SUSPSRC_SPI0		(1 << 21)
+#define DAVINCI_SYSCFG_SUSPSRC_SPI1		(1 << 22)
+#define DAVINCI_SYSCFG_SUSPSRC_UART0		(1 << 18)
+#define DAVINCI_SYSCFG_SUSPSRC_UART1		(1 << 19)
+#define DAVINCI_SYSCFG_SUSPSRC_UART2		(1 << 20)
+#define DAVINCI_SYSCFG_SUSPSRC_TIMER0		(1 << 27)
+
+struct davinci_syscfg1_regs {
+	dv_reg	vtpio_ctl;
+	dv_reg	ddr_slew;
+	dv_reg	deepsleep;
+	dv_reg	pupd_ena;
+	dv_reg	pupd_sel;
+	dv_reg	rxactive;
+	dv_reg	pwrdwn;
+};
+
+#define davinci_syscfg1_regs \
+	((struct davinci_syscfg1_regs *)DAVINCI_SYSCFG1_BASE)
+
+#define DDR_SLEW_CMOSEN_BIT	4
+#define DDR_SLEW_DDR_PDENA_BIT	5
+
+#define VTP_POWERDWN		(1 << 6)
+#define VTP_LOCK		(1 << 7)
+#define VTP_CLKRZ		(1 << 13)
+#define VTP_READY		(1 << 15)
+#define VTP_IOPWRDWN		(1 << 14)
+
+#define DV_SYSCFG_KICK0_UNLOCK	0x83e70b13
+#define DV_SYSCFG_KICK1_UNLOCK	0x95a4f1e0
+
+/* Interrupt controller */
+struct davinci_aintc_regs {
+	dv_reg	revid;
+	dv_reg	cr;
+	dv_reg	dummy0[2];
+	dv_reg	ger;
+	dv_reg	dummy1[219];
+	dv_reg	ecr1;
+	dv_reg	ecr2;
+	dv_reg	ecr3;
+	dv_reg	dummy2[1117];
+	dv_reg	hier;
+};
+
+#define davinci_aintc_regs ((struct davinci_aintc_regs *)DAVINCI_INTC_BASE)
+
+struct davinci_uart_ctrl_regs {
+	dv_reg	revid1;
+	dv_reg	revid2;
+	dv_reg	pwremu_mgmt;
+	dv_reg	mdr;
+};
+
+#define DAVINCI_UART_CTRL_BASE 0x28
+#define DAVINCI_UART0_CTRL_ADDR (DAVINCI_UART0_BASE + DAVINCI_UART_CTRL_BASE)
+#define DAVINCI_UART1_CTRL_ADDR (DAVINCI_UART1_BASE + DAVINCI_UART_CTRL_BASE)
+#define DAVINCI_UART2_CTRL_ADDR (DAVINCI_UART2_BASE + DAVINCI_UART_CTRL_BASE)
+
+#define davinci_uart0_ctrl_regs \
+	((struct davinci_uart_ctrl_regs *)DAVINCI_UART0_CTRL_ADDR)
+#define davinci_uart1_ctrl_regs \
+	((struct davinci_uart_ctrl_regs *)DAVINCI_UART1_CTRL_ADDR)
+#define davinci_uart2_ctrl_regs \
+	((struct davinci_uart_ctrl_regs *)DAVINCI_UART2_CTRL_ADDR)
+
+/* UART PWREMU_MGMT definitions */
+#define DAVINCI_UART_PWREMU_MGMT_FREE	(1 << 0)
+#define DAVINCI_UART_PWREMU_MGMT_URRST	(1 << 13)
+#define DAVINCI_UART_PWREMU_MGMT_UTRST	(1 << 14)
+
+static inline int cpu_is_da830(void)
+{
+	unsigned int jtag_id	= REG(JTAG_ID_REG);
+	unsigned short part_no	= (jtag_id >> 12) & 0xffff;
+
+	return ((part_no == 0xb7df) ? 1 : 0);
+}
+static inline int cpu_is_da850(void)
+{
+	unsigned int jtag_id    = REG(JTAG_ID_REG);
+	unsigned short part_no  = (jtag_id >> 12) & 0xffff;
+
+	return ((part_no == 0xb7d1) ? 1 : 0);
+}
+
+static inline enum davinci_clk_ids get_async3_src(void)
+{
+	return (REG(&davinci_syscfg_regs->cfgchip3) & 0x10) ?
+			DAVINCI_PLL1_SYSCLK2 : DAVINCI_PLL0_SYSCLK2;
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __ASM_ARCH_HARDWARE_H */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/i2c_defs.h

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2004-2014
+ * Texas Instruments, <www.ti.com>
+ *
+ * Some changes copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ */
+#ifndef _I2C_DEFS_H_
+#define _I2C_DEFS_H_
+
+#define I2C_BASE		0x01c22000
+
+#endif

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/pinmux_defs.h

@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Pinmux configurations for the DAxxx SoCs
+ *
+ * Copyright (C) 2011 OMICRON electronics GmbH
+ */
+
+#ifndef __ASM_ARCH_PINMUX_DEFS_H
+#define __ASM_ARCH_PINMUX_DEFS_H
+
+#include <asm/arch/davinci_misc.h>
+#include <config.h>
+
+/* SPI0 pin muxer settings */
+extern const struct pinmux_config spi0_pins_base[3];
+extern const struct pinmux_config spi0_pins_scs0[1];
+extern const struct pinmux_config spi0_pins_ena[1];
+
+/* SPI1 pin muxer settings */
+extern const struct pinmux_config spi1_pins_base[3];
+extern const struct pinmux_config spi1_pins_scs0[1];
+
+/* UART pin muxer settings */
+extern const struct pinmux_config uart0_pins_txrx[2];
+extern const struct pinmux_config uart0_pins_rtscts[2];
+extern const struct pinmux_config uart1_pins_txrx[2];
+extern const struct pinmux_config uart2_pins_txrx[2];
+extern const struct pinmux_config uart2_pins_rtscts[2];
+
+/* EMAC pin muxer settings*/
+extern const struct pinmux_config emac_pins_rmii[8];
+extern const struct pinmux_config emac_pins_rmii_clk_source[1];
+extern const struct pinmux_config emac_pins_mii[15];
+extern const struct pinmux_config emac_pins_mdio[2];
+
+/* I2C pin muxer settings */
+extern const struct pinmux_config i2c0_pins[2];
+extern const struct pinmux_config i2c1_pins[2];
+
+/* EMIFA pin muxer settings */
+extern const struct pinmux_config emifa_pins[40];
+extern const struct pinmux_config emifa_pins_cs0[1];
+extern const struct pinmux_config emifa_pins_cs2[1];
+extern const struct pinmux_config emifa_pins_cs3[1];
+extern const struct pinmux_config emifa_pins_cs4[1];
+extern const struct pinmux_config emifa_pins_nand[12];
+extern const struct pinmux_config emifa_pins_nor[43];
+
+/* USB pin mux setting */
+extern const struct pinmux_config usb_pins[1];
+
+/* MMC pin muxer settings */
+extern const struct pinmux_config mmc0_pins_8bit[10];
+extern const struct pinmux_config mmc0_pins[6];
+
+#endif

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/pll_defs.h

@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ */
+#ifndef _DV_PLL_DEFS_H_
+#define _DV_PLL_DEFS_H_
+
+struct dv_pll_regs {
+	unsigned int	pid;		/* 0x00 */
+	unsigned char	rsvd0[224];	/* 0x04 */
+	unsigned int	rstype;		/* 0xe4 */
+	unsigned char	rsvd1[24];	/* 0xe8 */
+	unsigned int	pllctl;		/* 0x100 */
+	unsigned char	rsvd2[4];	/* 0x104 */
+	unsigned int	secctl;		/* 0x108 */
+	unsigned int	rv;		/* 0x10c */
+	unsigned int	pllm;		/* 0x110 */
+	unsigned int	prediv;		/* 0x114 */
+	unsigned int	plldiv1;	/* 0x118 */
+	unsigned int	plldiv2;	/* 0x11c */
+	unsigned int	plldiv3;	/* 0x120 */
+	unsigned int	oscdiv1;	/* 0x124 */
+	unsigned int	postdiv;	/* 0x128 */
+	unsigned int	bpdiv;		/* 0x12c */
+	unsigned char	rsvd5[8];	/* 0x130 */
+	unsigned int	pllcmd;		/* 0x138 */
+	unsigned int	pllstat;	/* 0x13c */
+	unsigned int	alnctl;		/* 0x140 */
+	unsigned int	dchange;	/* 0x144 */
+	unsigned int	cken;		/* 0x148 */
+	unsigned int	ckstat;		/* 0x14c */
+	unsigned int	systat;		/* 0x150 */
+	unsigned char	rsvd6[12];	/* 0x154 */
+	unsigned int	plldiv4;	/* 0x160 */
+	unsigned int	plldiv5;	/* 0x164 */
+	unsigned int	plldiv6;	/* 0x168 */
+	unsigned int	plldiv7;	/* 0x16C */
+	unsigned int	plldiv8;	/* 0x170 */
+	unsigned int	plldiv9;	/* 0x174 */
+};
+
+#define PLL_MASTER_LOCK	(1 << 4)
+
+#define PLLCTL_CLOCK_MODE_SHIFT	8
+#define PLLCTL_PLLEN	(1 << 0)
+#define PLLCTL_PLLPWRDN	(1 << 1)
+#define PLLCTL_PLLRST	(1 << 3)
+#define PLLCTL_PLLDIS	(1 << 4)
+#define PLLCTL_PLLENSRC	(1 << 5)
+#define PLLCTL_RES_9	(1 << 8)
+#define PLLCTL_EXTCLKSRC	(1 << 9)
+
+#define PLL_DIVEN	(1 << 15)
+#define PLL_POSTDEN	PLL_DIVEN
+
+#define PLL_SCSCFG3_DIV45PENA	(1 << 2)
+#define PLL_SCSCFG3_EMA_CLKSRC	(1 << 1)
+
+#define PLL_RSTYPE_POR		(1 << 0)
+#define PLL_RSTYPE_XWRST	(1 << 1)
+
+#define PLLSECCTL_TINITZ	(1 << 16)
+#define PLLSECCTL_TENABLE	(1 << 17)
+#define PLLSECCTL_TENABLEDIV	(1 << 18)
+#define PLLSECCTL_STOPMODE	(1 << 22)
+
+#define PLLCMD_GOSET		(1 << 0)
+#define PLLCMD_GOSTAT		(1 << 0)
+
+#define PLL0_LOCK		0x07000000
+#define PLL1_LOCK		0x07000000
+
+#define dv_pll0_regs ((struct dv_pll_regs *)DAVINCI_PLL_CNTRL0_BASE)
+#define dv_pll1_regs ((struct dv_pll_regs *)DAVINCI_PLL_CNTRL1_BASE)
+
+#define ARM_PLLDIV	(offsetof(struct dv_pll_regs, plldiv2))
+#define DDR_PLLDIV	(offsetof(struct dv_pll_regs, plldiv7))
+#define SPI_PLLDIV	(offsetof(struct dv_pll_regs, plldiv4))
+
+unsigned int davinci_clk_get(unsigned int div);
+#endif /* _DV_PLL_DEFS_H_ */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/psc_defs.h

@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ */
+#ifndef _DV_PSC_DEFS_H_
+#define _DV_PSC_DEFS_H_
+
+/*
+ * Power/Sleep Ctrl Register structure
+ * See sprufb3.pdf, Chapter 7
+ */
+struct dv_psc_regs {
+	unsigned int	pid;		/* 0x000 */
+	unsigned char	rsvd0[16];	/* 0x004 */
+	unsigned char	rsvd1[4];	/* 0x014 */
+	unsigned int	inteval;	/* 0x018 */
+	unsigned char	rsvd2[36];	/* 0x01C */
+	unsigned int	merrpr0;	/* 0x040 */
+	unsigned int	merrpr1;	/* 0x044 */
+	unsigned char	rsvd3[8];	/* 0x048 */
+	unsigned int	merrcr0;	/* 0x050 */
+	unsigned int	merrcr1;	/* 0x054 */
+	unsigned char	rsvd4[8];	/* 0x058 */
+	unsigned int	perrpr;		/* 0x060 */
+	unsigned char	rsvd5[4];	/* 0x064 */
+	unsigned int	perrcr;		/* 0x068 */
+	unsigned char	rsvd6[4];	/* 0x06C */
+	unsigned int	epcpr;		/* 0x070 */
+	unsigned char	rsvd7[4];	/* 0x074 */
+	unsigned int	epccr;		/* 0x078 */
+	unsigned char	rsvd8[144];	/* 0x07C */
+	unsigned char	rsvd9[20];	/* 0x10C */
+	unsigned int	ptcmd;		/* 0x120 */
+	unsigned char	rsvd10[4];	/* 0x124 */
+	unsigned int	ptstat;		/* 0x128 */
+	unsigned char	rsvd11[212];	/* 0x12C */
+	unsigned int	pdstat0;	/* 0x200 */
+	unsigned int	pdstat1;	/* 0x204 */
+	unsigned char	rsvd12[248];	/* 0x208 */
+	unsigned int	pdctl0;		/* 0x300 */
+	unsigned int	pdctl1;		/* 0x304 */
+	unsigned char	rsvd13[536];	/* 0x308 */
+	unsigned int	mckout0;	/* 0x520 */
+	unsigned int	mckout1;	/* 0x524 */
+	unsigned char	rsvd14[728];	/* 0x528 */
+	unsigned int	mdstat[52];	/* 0x800 */
+	unsigned char	rsvd15[304];	/* 0x8D0 */
+	unsigned int	mdctl[52];	/* 0xA00 */
+};
+
+/* PSC constants */
+#define EMURSTIE_MASK	(0x00000200)
+
+#define PD0		(0)
+
+#define PSC_ENABLE		(0x3)
+#define PSC_DISABLE		(0x2)
+#define PSC_SYNCRESET		(0x1)
+#define PSC_SWRSTDISABLE	(0x0)
+
+#define PSC_GOSTAT		(1 << 0)
+#define PSC_MD_STATE_MSK	(0x1f)
+
+#define PSC_CMD_GO		(1 << 0)
+
+#define dv_psc_regs ((struct dv_psc_regs *)DAVINCI_PWR_SLEEP_CNTRL_BASE)
+
+#endif /* _DV_PSC_DEFS_H_ */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/sdmmc_defs.h

@@ -0,0 +1,157 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Davinci MMC Controller Defines - Based on Linux davinci_mmc.c
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated
+ */
+
+#ifndef _SDMMC_DEFS_H_
+#define _SDMMC_DEFS_H_
+
+#include <asm/arch/hardware.h>
+
+/* MMC Control Reg fields */
+#define MMCCTL_DATRST		(1 << 0)
+#define MMCCTL_CMDRST		(1 << 1)
+#define MMCCTL_WIDTH_4_BIT	(1 << 2)
+#define MMCCTL_DATEG_DISABLED	(0 << 6)
+#define MMCCTL_DATEG_RISING	(1 << 6)
+#define MMCCTL_DATEG_FALLING	(2 << 6)
+#define MMCCTL_DATEG_BOTH	(3 << 6)
+#define MMCCTL_PERMDR_LE	(0 << 9)
+#define MMCCTL_PERMDR_BE	(1 << 9)
+#define MMCCTL_PERMDX_LE	(0 << 10)
+#define MMCCTL_PERMDX_BE	(1 << 10)
+
+/* MMC Clock Control Reg fields */
+#define MMCCLK_CLKEN		(1 << 8)
+#define MMCCLK_CLKRT_MASK	(0xFF << 0)
+
+/* MMC Status Reg0 fields */
+#define MMCST0_DATDNE		(1 << 0)
+#define MMCST0_BSYDNE		(1 << 1)
+#define MMCST0_RSPDNE		(1 << 2)
+#define MMCST0_TOUTRD		(1 << 3)
+#define MMCST0_TOUTRS		(1 << 4)
+#define MMCST0_CRCWR		(1 << 5)
+#define MMCST0_CRCRD		(1 << 6)
+#define MMCST0_CRCRS		(1 << 7)
+#define MMCST0_DXRDY		(1 << 9)
+#define MMCST0_DRRDY		(1 << 10)
+#define MMCST0_DATED		(1 << 11)
+#define MMCST0_TRNDNE		(1 << 12)
+
+#define MMCST0_ERR_MASK		(0x00F8)
+
+/* MMC Status Reg1 fields */
+#define MMCST1_BUSY		(1 << 0)
+#define MMCST1_CLKSTP		(1 << 1)
+#define MMCST1_DXEMP		(1 << 2)
+#define MMCST1_DRFUL		(1 << 3)
+#define MMCST1_DAT3ST		(1 << 4)
+#define MMCST1_FIFOEMP		(1 << 5)
+#define MMCST1_FIFOFUL		(1 << 6)
+
+/* MMC INT Mask Reg fields */
+#define MMCIM_EDATDNE		(1 << 0)
+#define MMCIM_EBSYDNE		(1 << 1)
+#define MMCIM_ERSPDNE		(1 << 2)
+#define MMCIM_ETOUTRD		(1 << 3)
+#define MMCIM_ETOUTRS		(1 << 4)
+#define MMCIM_ECRCWR		(1 << 5)
+#define MMCIM_ECRCRD		(1 << 6)
+#define MMCIM_ECRCRS		(1 << 7)
+#define MMCIM_EDXRDY		(1 << 9)
+#define MMCIM_EDRRDY		(1 << 10)
+#define MMCIM_EDATED		(1 << 11)
+#define MMCIM_ETRNDNE		(1 << 12)
+
+#define MMCIM_MASKALL		(0xFFFFFFFF)
+
+/* MMC Resp Tout Reg fields */
+#define MMCTOR_TOR_MASK		(0xFF)		/* dont write to reg, | it */
+#define MMCTOR_TOD_20_16_SHIFT  (8)
+
+/* MMC Data Read Tout Reg fields */
+#define MMCTOD_TOD_0_15_MASK	(0xFFFF)
+
+/* MMC Block len Reg fields */
+#define MMCBLEN_BLEN_MASK	(0xFFF)
+
+/* MMC Num Blocks Reg fields */
+#define MMCNBLK_NBLK_MASK	(0xFFFF)
+#define MMCNBLK_NBLK_MAX	(0xFFFF)
+
+/* MMC Num Blocks Counter Reg fields */
+#define MMCNBLC_NBLC_MASK	(0xFFFF)
+
+/* MMC Cmd Reg fields */
+#define MMCCMD_CMD_MASK		(0x3F)
+#define MMCCMD_PPLEN		(1 << 7)
+#define MMCCMD_BSYEXP		(1 << 8)
+#define MMCCMD_RSPFMT_NONE	(0 << 9)
+#define MMCCMD_RSPFMT_R1567	(1 << 9)
+#define MMCCMD_RSPFMT_R2	(2 << 9)
+#define MMCCMD_RSPFMT_R3	(3 << 9)
+#define MMCCMD_DTRW		(1 << 11)
+#define MMCCMD_STRMTP		(1 << 12)
+#define MMCCMD_WDATX		(1 << 13)
+#define MMCCMD_INITCK		(1 << 14)
+#define MMCCMD_DCLR		(1 << 15)
+#define MMCCMD_DMATRIG		(1 << 16)
+
+/* FIFO control Reg fields */
+#define MMCFIFOCTL_FIFORST	(1 << 0)
+#define MMCFIFOCTL_FIFODIR	(1 << 1)
+#define MMCFIFOCTL_FIFOLEV	(1 << 2)
+#define MMCFIFOCTL_ACCWD_4	(0 << 3)	/* access width of 4 bytes */
+#define MMCFIFOCTL_ACCWD_3	(1 << 3)	/* access width of 3 bytes */
+#define MMCFIFOCTL_ACCWD_2	(2 << 3)	/* access width of 2 bytes */
+#define MMCFIFOCTL_ACCWD_1	(3 << 3)	/* access width of 1 byte */
+
+/* Davinci MMC Register definitions */
+struct davinci_mmc_regs {
+	dv_reg mmcctl;
+	dv_reg mmcclk;
+	dv_reg mmcst0;
+	dv_reg mmcst1;
+	dv_reg mmcim;
+	dv_reg mmctor;
+	dv_reg mmctod;
+	dv_reg mmcblen;
+	dv_reg mmcnblk;
+	dv_reg mmcnblc;
+	dv_reg mmcdrr;
+	dv_reg mmcdxr;
+	dv_reg mmccmd;
+	dv_reg mmcarghl;
+	dv_reg mmcrsp01;
+	dv_reg mmcrsp23;
+	dv_reg mmcrsp45;
+	dv_reg mmcrsp67;
+	dv_reg mmcdrsp;
+	dv_reg mmcetok;
+	dv_reg mmccidx;
+	dv_reg mmcckc;
+	dv_reg mmctorc;
+	dv_reg mmctodc;
+	dv_reg mmcblnc;
+	dv_reg sdioctl;
+	dv_reg sdiost0;
+	dv_reg sdioien;
+	dv_reg sdioist;
+	dv_reg mmcfifoctl;
+};
+
+/* Davinci MMC board definitions */
+struct davinci_mmc {
+	struct davinci_mmc_regs *reg_base;	/* Register base address */
+	uint input_clk;		/* Input clock to MMC controller */
+	uint host_caps;		/* Host capabilities */
+	uint voltages;		/* Host supported voltages */
+	struct mmc_config cfg;
+};
+
+int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host);
+
+#endif /* _SDMMC_DEFS_H */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/include/mach/timer_defs.h

@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2011 DENX Software Engineering GmbH
+ * Heiko Schocher <hs@denx.de>
+ */
+#ifndef _TIMER_DEFS_H_
+#define _TIMER_DEFS_H_
+
+struct davinci_timer {
+	u_int32_t	pid12;
+	u_int32_t	emumgt;
+	u_int32_t	na1;
+	u_int32_t	na2;
+	u_int32_t	tim12;
+	u_int32_t	tim34;
+	u_int32_t	prd12;
+	u_int32_t	prd34;
+	u_int32_t	tcr;
+	u_int32_t	tgcr;
+	u_int32_t	wdtcr;
+};
+
+#define DV_TIMER_TCR_ENAMODE_MASK		3
+
+#define DV_TIMER_TCR_ENAMODE12_SHIFT		6
+#define DV_TIMER_TCR_CLKSRC12_SHIFT		8
+#define DV_TIMER_TCR_READRSTMODE12_SHIFT	10
+#define DV_TIMER_TCR_CAPMODE12_SHIFT		11
+#define DV_TIMER_TCR_CAPVTMODE12_SHIFT		12
+#define DV_TIMER_TCR_ENAMODE34_SHIFT		22
+#define DV_TIMER_TCR_CLKSRC34_SHIFT		24
+#define DV_TIMER_TCR_READRSTMODE34_SHIFT	26
+#define DV_TIMER_TCR_CAPMODE34_SHIFT		27
+#define DV_TIMER_TCR_CAPEVTMODE12_SHIFT		28
+
+#define DV_WDT_ENABLE_SYS_RESET		0x00020000
+#define DV_WDT_TRIGGER_SYS_RESET	0x00020002
+
+#ifdef CONFIG_HW_WATCHDOG
+void davinci_hw_watchdog_enable(void);
+void davinci_hw_watchdog_reset(void);
+#endif
+#endif /* _TIMER_DEFS_H_ */

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/misc.c

@@ -0,0 +1,135 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Miscelaneous DaVinci functions.
+ *
+ * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, <nick.thompson@gefanuc.com>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ * Copyright (C) 2004 Texas Instruments.
+ */
+
+#include <common.h>
+#include <env.h>
+#include <i2c.h>
+#include <net.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/davinci_misc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifndef CONFIG_SPL_BUILD
+int dram_init(void)
+{
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size(
+			(void *)CONFIG_SYS_SDRAM_BASE,
+			CONFIG_MAX_RAM_BANK_SIZE);
+	return 0;
+}
+
+int dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = gd->ram_size;
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+/*
+ * Read ethernet MAC address from EEPROM for DVEVM compatible boards.
+ * Returns 1 if found, 0 otherwise.
+ */
+int dvevm_read_mac_address(uint8_t *buf)
+{
+#ifdef CONFIG_SYS_I2C_EEPROM_ADDR
+	/* Read MAC address. */
+	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x7F00,
+		CONFIG_SYS_I2C_EEPROM_ADDR_LEN, (uint8_t *) &buf[0], 6))
+		goto i2cerr;
+
+	/* Check that MAC address is valid. */
+	if (!is_valid_ethaddr(buf))
+		goto err;
+
+	return 1; /* Found */
+
+i2cerr:
+	printf("Read from EEPROM @ 0x%02x failed\n",
+		CONFIG_SYS_I2C_EEPROM_ADDR);
+err:
+#endif /* CONFIG_SYS_I2C_EEPROM_ADDR */
+
+	return 0;
+}
+
+/*
+ * Set the mii mode as MII or RMII
+ */
+void davinci_emac_mii_mode_sel(int mode_sel)
+{
+	int val;
+
+	val = readl(&davinci_syscfg_regs->cfgchip3);
+	if (mode_sel == 0)
+		val &= ~(1 << 8);
+	else
+		val |= (1 << 8);
+	writel(val, &davinci_syscfg_regs->cfgchip3);
+}
+
+/*
+ * If there is no MAC address in the environment, then it will be initialized
+ * (silently) from the value in the EEPROM.
+ */
+void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr)
+{
+	uint8_t env_enetaddr[6];
+	int ret;
+
+	ret = eth_env_get_enetaddr_by_index("eth", 0, env_enetaddr);
+	if (!ret) {
+		/*
+		 * There is no MAC address in the environment, so we
+		 * initialize it from the value in the EEPROM.
+		 */
+		debug("### Setting environment from EEPROM MAC address = "
+			"\"%pM\"\n",
+			env_enetaddr);
+		ret = !eth_env_set_enetaddr("ethaddr", rom_enetaddr);
+	}
+	if (!ret)
+		printf("Failed to set mac address from EEPROM: %d\n", ret);
+}
+#endif	/* CONFIG_DRIVER_TI_EMAC */
+
+void irq_init(void)
+{
+	/*
+	 * Mask all IRQs by clearing the global enable and setting
+	 * the enable clear for all the 90 interrupts.
+	 */
+	writel(0, &davinci_aintc_regs->ger);
+
+	writel(0, &davinci_aintc_regs->hier);
+
+	writel(0xffffffff, &davinci_aintc_regs->ecr1);
+	writel(0xffffffff, &davinci_aintc_regs->ecr2);
+	writel(0xffffffff, &davinci_aintc_regs->ecr3);
+}
+
+/*
+ * Enable PSC for various peripherals.
+ */
+int da8xx_configure_lpsc_items(const struct lpsc_resource *item,
+				    const int n_items)
+{
+	int i;
+
+	for (i = 0; i < n_items; i++)
+		lpsc_on(item[i].lpsc_no);
+
+	return 0;
+}

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/pinmux.c

@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * DaVinci pinmux functions.
+ *
+ * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, <nick.thompson@gefanuc.com>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ * Copyright (C) 2004 Texas Instruments.
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/davinci_misc.h>
+
+/*
+ * Change the setting of a pin multiplexer field.
+ *
+ * Takes an array of pinmux settings similar to:
+ *
+ * struct pinmux_config uart_pins[] = {
+ *	{ &davinci_syscfg_regs->pinmux[8], 2, 7 },
+ *	{ &davinci_syscfg_regs->pinmux[9], 2, 0 }
+ * };
+ *
+ * Stepping through the array, each pinmux[n] register has the given value
+ * set in the pin mux field specified.
+ *
+ * The number of pins in the array must be passed (ARRAY_SIZE can provide
+ * this value conveniently).
+ *
+ * Returns 0 if all field numbers and values are in the correct range,
+ * else returns -1.
+ */
+int davinci_configure_pin_mux(const struct pinmux_config *pins,
+			      const int n_pins)
+{
+	int i;
+
+	/* check for invalid pinmux values */
+	for (i = 0; i < n_pins; i++) {
+		if (pins[i].field >= PIN_MUX_NUM_FIELDS ||
+		    (pins[i].value & ~PIN_MUX_FIELD_MASK) != 0)
+			return -1;
+	}
+
+	/* configure the pinmuxes */
+	for (i = 0; i < n_pins; i++) {
+		const int offset = pins[i].field * PIN_MUX_FIELD_SIZE;
+		const unsigned int value = pins[i].value << offset;
+		const unsigned int mask = PIN_MUX_FIELD_MASK << offset;
+		const dv_reg *mux = pins[i].mux;
+
+		writel(value | (readl(mux) & (~mask)), mux);
+	}
+
+	return 0;
+}
+
+/*
+ * Configure multiple pinmux resources.
+ *
+ * Takes an pinmux_resource array of pinmux_config and pin counts:
+ *
+ * const struct pinmux_resource pinmuxes[] = {
+ *	PINMUX_ITEM(uart_pins),
+ *	PINMUX_ITEM(i2c_pins),
+ * };
+ *
+ * The number of items in the array must be passed (ARRAY_SIZE can provide
+ * this value conveniently).
+ *
+ * Each item entry is configured in the defined order. If configuration
+ * of any item fails, -1 is returned and none of the following items are
+ * configured. On success, 0 is returned.
+ */
+int davinci_configure_pin_mux_items(const struct pinmux_resource *item,
+				    const int n_items)
+{
+	int i;
+
+	for (i = 0; i < n_items; i++) {
+		if (davinci_configure_pin_mux(item[i].pins,
+					      item[i].n_pins) != 0)
+			return -1;
+	}
+
+	return 0;
+}

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/psc.c

@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Power and Sleep Controller (PSC) functions.
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ * Copyright (C) 2004 Texas Instruments.
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+
+/*
+ * The PSC manages three inputs to a "module" which may be a peripheral or
+ * CPU.  Those inputs are the module's:  clock; reset signal; and sometimes
+ * its power domain.  For our purposes, we only care whether clock and power
+ * are active, and the module is out of reset.
+ *
+ * DaVinci chips may include two separate power domains: "Always On" and "DSP".
+ * Chips without a DSP generally have only one domain.
+ *
+ * The "Always On" power domain is always on when the chip is on, and is
+ * powered by the VDD pins (on DM644X). The majority of DaVinci modules
+ * lie within the "Always On" power domain.
+ *
+ * A separate domain called the "DSP" domain houses the C64x+ and other video
+ * hardware such as VICP. In some chips, the "DSP" domain is not always on.
+ * The "DSP" power domain is powered by the CVDDDSP pins (on DM644X).
+ */
+
+/* Works on Always On power domain only (no PD argument) */
+static void lpsc_transition(unsigned int id, unsigned int state)
+{
+	dv_reg_p mdstat, mdctl, ptstat, ptcmd;
+	struct davinci_psc_regs *psc_regs;
+
+	if (id < DAVINCI_LPSC_PSC1_BASE) {
+		if (id >= PSC_PSC0_MODULE_ID_CNT)
+			return;
+		psc_regs = davinci_psc0_regs;
+		mdstat = &psc_regs->psc0.mdstat[id];
+		mdctl = &psc_regs->psc0.mdctl[id];
+	} else {
+		id -= DAVINCI_LPSC_PSC1_BASE;
+		if (id >= PSC_PSC1_MODULE_ID_CNT)
+			return;
+		psc_regs = davinci_psc1_regs;
+		mdstat = &psc_regs->psc1.mdstat[id];
+		mdctl = &psc_regs->psc1.mdctl[id];
+	}
+	ptstat = &psc_regs->ptstat;
+	ptcmd = &psc_regs->ptcmd;
+
+	while (readl(ptstat) & 0x01)
+		continue;
+
+	if ((readl(mdstat) & PSC_MDSTAT_STATE) == state)
+		return; /* Already in that state */
+
+	writel((readl(mdctl) & ~PSC_MDCTL_NEXT) | state, mdctl);
+	writel(0x01, ptcmd);
+
+	while (readl(ptstat) & 0x01)
+		continue;
+	while ((readl(mdstat) & PSC_MDSTAT_STATE) != state)
+		continue;
+}
+
+void lpsc_on(unsigned int id)
+{
+	lpsc_transition(id, 0x03);
+}
+
+void lpsc_syncreset(unsigned int id)
+{
+	lpsc_transition(id, 0x01);
+}
+
+void lpsc_disable(unsigned int id)
+{
+	lpsc_transition(id, 0x0);
+}

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/reset.c

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ *  Processor reset using WDT.
+ *
+ * Copyright (C) 2012 Dmitry Bondar <bond@inmys.ru>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/timer_defs.h>
+#include <asm/arch/hardware.h>
+
+void reset_cpu(unsigned long a)
+{
+	struct davinci_timer *const wdttimer =
+		(struct davinci_timer *)DAVINCI_WDOG_BASE;
+	writel(0x08, &wdttimer->tgcr);
+	writel(readl(&wdttimer->tgcr) | 0x03, &wdttimer->tgcr);
+	writel(0, &wdttimer->tim12);
+	writel(0, &wdttimer->tim34);
+	writel(0, &wdttimer->prd12);
+	writel(0, &wdttimer->prd34);
+	writel(readl(&wdttimer->tcr) | 0x40, &wdttimer->tcr);
+	writel(readl(&wdttimer->wdtcr) | 0x4000, &wdttimer->wdtcr);
+	writel(0xa5c64000, &wdttimer->wdtcr);
+	writel(0xda7e4000, &wdttimer->wdtcr);
+	writel(0x4000, &wdttimer->wdtcr);
+	while (1)
+		/*nothing*/;
+}

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/spl.c

@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ */
+#include <common.h>
+#include <config.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+#include <nand.h>
+#include <asm/arch/dm365_lowlevel.h>
+#include <ns16550.h>
+#include <malloc.h>
+#include <spi_flash.h>
+#include <mmc.h>
+
+#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT
+void puts(const char *str)
+{
+	while (*str)
+		putc(*str++);
+}
+
+void putc(char c)
+{
+	if (c == '\n')
+		NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), '\r');
+
+	NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c);
+}
+#endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
+
+void board_init_f(ulong dummy)
+{
+	arch_cpu_init();
+
+	spl_early_init();
+
+	preloader_console_init();
+}
+
+u32 spl_boot_device(void)
+{
+	switch (davinci_syscfg_regs->bootcfg) {
+#ifdef CONFIG_SPL_NAND_SUPPORT
+	case DAVINCI_NAND8_BOOT:
+	case DAVINCI_NAND16_BOOT:
+		return BOOT_DEVICE_NAND;
+#endif
+
+#ifdef CONFIG_SPL_MMC_SUPPORT
+	case DAVINCI_SD_OR_MMC_BOOT:
+	case DAVINCI_MMC_ONLY_BOOT:
+		return BOOT_DEVICE_MMC1;
+#endif
+
+#ifdef CONFIG_SPL_SPI_FLASH_SUPPORT
+	case DAVINCI_SPI0_FLASH_BOOT:
+	case DAVINCI_SPI1_FLASH_BOOT:
+		return BOOT_DEVICE_SPI;
+#endif
+
+	default:
+		puts("Unknown boot device\n");
+		hang();
+	}
+}

source/bootloader/u-boot-2020.01/arch/arm/mach-davinci/timer.c

@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2003
+ * Texas Instruments <www.ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002-2004
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * (C) Copyright 2004
+ * Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ */
+
+#include <common.h>
+#include <time.h>
+#include <asm/io.h>
+#include <asm/arch/timer_defs.h>
+#include <div64.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct davinci_timer * const timer =
+	(struct davinci_timer *)CONFIG_SYS_TIMERBASE;
+
+#define TIMER_LOAD_VAL	0xffffffff
+
+#define TIM_CLK_DIV	16
+
+int timer_init(void)
+{
+	/* We are using timer34 in unchained 32-bit mode, full speed */
+	writel(0x0, &timer->tcr);
+	writel(0x0, &timer->tgcr);
+	writel(0x06 | ((TIM_CLK_DIV - 1) << 8), &timer->tgcr);
+	writel(0x0, &timer->tim34);
+	writel(TIMER_LOAD_VAL, &timer->prd34);
+	writel(2 << 22, &timer->tcr);
+	gd->arch.timer_rate_hz = CONFIG_SYS_HZ_CLOCK / TIM_CLK_DIV;
+	gd->arch.timer_reset_value = 0;
+
+	return(0);
+}
+
+/*
+ * Get the current 64 bit timer tick count
+ */
+unsigned long long get_ticks(void)
+{
+	unsigned long now = readl(&timer->tim34);
+
+	/* increment tbu if tbl has rolled over */
+	if (now < gd->arch.tbl)
+		gd->arch.tbu++;
+	gd->arch.tbl = now;
+
+	return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl;
+}
+
+ulong get_timer(ulong base)
+{
+	unsigned long long timer_diff;
+
+	timer_diff = get_ticks() - gd->arch.timer_reset_value;
+
+	return lldiv(timer_diff,
+		     (gd->arch.timer_rate_hz / CONFIG_SYS_HZ)) - base;
+}
+
+void __udelay(unsigned long usec)
+{
+	unsigned long long endtime;
+
+	endtime = lldiv((unsigned long long)usec * gd->arch.timer_rate_hz,
+			1000000UL);
+	endtime += get_ticks();
+
+	while (get_ticks() < endtime)
+		;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	return gd->arch.timer_rate_hz;
+}
+
+#ifdef CONFIG_HW_WATCHDOG
+static struct davinci_timer * const wdttimer =
+	(struct davinci_timer *)CONFIG_SYS_WDTTIMERBASE;
+
+/*
+ * See prufw2.pdf for using Timer as a WDT
+ */
+void davinci_hw_watchdog_enable(void)
+{
+	writel(0x0, &wdttimer->tcr);
+	writel(0x0, &wdttimer->tgcr);
+	/* TIMMODE = 2h */
+	writel(0x08 | 0x03 | ((TIM_CLK_DIV - 1) << 8), &wdttimer->tgcr);
+	writel(CONFIG_SYS_WDT_PERIOD_LOW, &wdttimer->prd12);
+	writel(CONFIG_SYS_WDT_PERIOD_HIGH, &wdttimer->prd34);
+	writel(2 << 22, &wdttimer->tcr);
+	writel(0x0, &wdttimer->tim12);
+	writel(0x0, &wdttimer->tim34);
+	/* set WDEN bit, WDKEY 0xa5c6 */
+	writel(0xa5c64000, &wdttimer->wdtcr);
+	/* clear counter register */
+	writel(0xda7e4000, &wdttimer->wdtcr);
+}
+
+void davinci_hw_watchdog_reset(void)
+{
+	writel(0xa5c64000, &wdttimer->wdtcr);
+	writel(0xda7e4000, &wdttimer->wdtcr);
+}
+#endif