5 files changed, 312 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/nvidia/common/Makefile b/qemu/roms/u-boot/board/nvidia/common/Makefile
new file mode 100644
index 000000000..e3b265157
--- /dev/null
+++ b/qemu/roms/u-boot/board/nvidia/common/Makefile
@@ -0,0 +1,4 @@
+# Copyright (c) 2011 The Chromium OS Authors.
+# SPDX-License-Identifier:	GPL-2.0+
+
+include $(src)/common.mk
diff --git a/qemu/roms/u-boot/board/nvidia/common/board.c b/qemu/roms/u-boot/board/nvidia/common/board.c
new file mode 100644
index 000000000..d01abcee1
--- /dev/null
+++ b/qemu/roms/u-boot/board/nvidia/common/board.c
@@ -0,0 +1,255 @@
+/*
+ *  (C) Copyright 2010,2011
+ *  NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <ns16550.h>
+#include <linux/compiler.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#ifdef CONFIG_LCD
+#include <asm/arch/display.h>
+#endif
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/pmu.h>
+#ifdef CONFIG_PWM_TEGRA
+#include <asm/arch/pwm.h>
+#endif
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/board.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/sys_proto.h>
+#include <asm/arch-tegra/uart.h>
+#include <asm/arch-tegra/warmboot.h>
+#ifdef CONFIG_TEGRA_CLOCK_SCALING
+#include <asm/arch/emc.h>
+#endif
+#ifdef CONFIG_USB_EHCI_TEGRA
+#include <asm/arch-tegra/usb.h>
+#include <usb.h>
+#endif
+#ifdef CONFIG_TEGRA_MMC
+#include <asm/arch-tegra/tegra_mmc.h>
+#include <asm/arch-tegra/mmc.h>
+#endif
+#include <i2c.h>
+#include <spi.h>
+#include "emc.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+const struct tegra_sysinfo sysinfo = {
+	CONFIG_TEGRA_BOARD_STRING
+};
+
+void __pinmux_init(void)
+{
+}
+
+void pinmux_init(void) __attribute__((weak, alias("__pinmux_init")));
+
+void __pin_mux_usb(void)
+{
+}
+
+void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
+
+void __pin_mux_spi(void)
+{
+}
+
+void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
+
+void __gpio_early_init_uart(void)
+{
+}
+
+void gpio_early_init_uart(void)
+__attribute__((weak, alias("__gpio_early_init_uart")));
+
+#if defined(CONFIG_TEGRA_NAND)
+void __pin_mux_nand(void)
+{
+	funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
+}
+
+void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
+#endif
+
+void __pin_mux_display(void)
+{
+}
+
+void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
+
+/*
+ * Routine: power_det_init
+ * Description: turn off power detects
+ */
+static void power_det_init(void)
+{
+#if defined(CONFIG_TEGRA20)
+	struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+	/* turn off power detects */
+	writel(0, &pmc->pmc_pwr_det_latch);
+	writel(0, &pmc->pmc_pwr_det);
+#endif
+}
+
+/*
+ * Routine: board_init
+ * Description: Early hardware init.
+ */
+int board_init(void)
+{
+	__maybe_unused int err;
+
+	/* Do clocks and UART first so that printf() works */
+	clock_init();
+	clock_verify();
+
+#ifdef CONFIG_FDT_SPI
+	pin_mux_spi();
+	spi_init();
+#endif
+
+#ifdef CONFIG_PWM_TEGRA
+	if (pwm_init(gd->fdt_blob))
+		debug("%s: Failed to init pwm\n", __func__);
+#endif
+#ifdef CONFIG_LCD
+	pin_mux_display();
+	tegra_lcd_check_next_stage(gd->fdt_blob, 0);
+#endif
+	/* boot param addr */
+	gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
+
+	power_det_init();
+
+#ifdef CONFIG_SYS_I2C_TEGRA
+#ifndef CONFIG_SYS_I2C_INIT_BOARD
+#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
+#endif
+	i2c_init_board();
+# ifdef CONFIG_TEGRA_PMU
+	if (pmu_set_nominal())
+		debug("Failed to select nominal voltages\n");
+#  ifdef CONFIG_TEGRA_CLOCK_SCALING
+	err = board_emc_init();
+	if (err)
+		debug("Memory controller init failed: %d\n", err);
+#  endif
+# endif /* CONFIG_TEGRA_PMU */
+#endif /* CONFIG_SYS_I2C_TEGRA */
+
+#ifdef CONFIG_USB_EHCI_TEGRA
+	pin_mux_usb();
+	usb_process_devicetree(gd->fdt_blob);
+#endif
+
+#ifdef CONFIG_LCD
+	tegra_lcd_check_next_stage(gd->fdt_blob, 0);
+#endif
+
+#ifdef CONFIG_TEGRA_NAND
+	pin_mux_nand();
+#endif
+
+#ifdef CONFIG_TEGRA_LP0
+	/* save Sdram params to PMC 2, 4, and 24 for WB0 */
+	warmboot_save_sdram_params();
+
+	/* prepare the WB code to LP0 location */
+	warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+static void __gpio_early_init(void)
+{
+}
+
+void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
+
+int board_early_init_f(void)
+{
+	pinmux_init();
+	board_init_uart_f();
+
+	/* Initialize periph GPIOs */
+	gpio_early_init();
+	gpio_early_init_uart();
+#ifdef CONFIG_LCD
+	tegra_lcd_early_init(gd->fdt_blob);
+#endif
+
+	return 0;
+}
+#endif	/* EARLY_INIT */
+
+int board_late_init(void)
+{
+#ifdef CONFIG_LCD
+	/* Make sure we finish initing the LCD */
+	tegra_lcd_check_next_stage(gd->fdt_blob, 1);
+#endif
+	return 0;
+}
+
+#if defined(CONFIG_TEGRA_MMC)
+void __pin_mux_mmc(void)
+{
+}
+
+void pin_mux_mmc(void) __attribute__((weak, alias("__pin_mux_mmc")));
+
+/* this is a weak define that we are overriding */
+int board_mmc_init(bd_t *bd)
+{
+	debug("%s called\n", __func__);
+
+	/* Enable muxes, etc. for SDMMC controllers */
+	pin_mux_mmc();
+
+	debug("%s: init MMC\n", __func__);
+	tegra_mmc_init();
+
+	return 0;
+}
+
+void pad_init_mmc(struct mmc_host *host)
+{
+#if defined(CONFIG_TEGRA30)
+	enum periph_id id = host->mmc_id;
+	u32 val;
+
+	debug("%s: sdmmc address = %08x, id = %d\n", __func__,
+		(unsigned int)host->reg, id);
+
+	/* Set the pad drive strength for SDMMC1 or 3 only */
+	if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) {
+		debug("%s: settings are only valid for SDMMC1/SDMMC3!\n",
+			__func__);
+		return;
+	}
+
+	val = readl(&host->reg->sdmemcmppadctl);
+	val &= 0xFFFFFFF0;
+	val |= MEMCOMP_PADCTRL_VREF;
+	writel(val, &host->reg->sdmemcmppadctl);
+
+	val = readl(&host->reg->autocalcfg);
+	val &= 0xFFFF0000;
+	val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED;
+	writel(val, &host->reg->autocalcfg);
+#endif	/* T30 */
+}
+#endif	/* MMC */
diff --git a/qemu/roms/u-boot/board/nvidia/common/common.mk b/qemu/roms/u-boot/board/nvidia/common/common.mk
new file mode 100644
index 000000000..9a9b5298c
--- /dev/null
+++ b/qemu/roms/u-boot/board/nvidia/common/common.mk
@@ -0,0 +1,3 @@
+# common options for all tegra boards
+obj-y	+= ../../nvidia/common/board.o
+obj-$(CONFIG_TEGRA_CLOCK_SCALING) += ../../nvidia/common/emc.o
diff --git a/qemu/roms/u-boot/board/nvidia/common/emc.c b/qemu/roms/u-boot/board/nvidia/common/emc.c
new file mode 100644
index 000000000..8124f8aaf
--- /dev/null
+++ b/qemu/roms/u-boot/board/nvidia/common/emc.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/emc.h>
+#include <asm/arch/pmu.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/ap.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/sys_proto.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* These rates are hard-coded for now, until fdt provides them */
+#define EMC_SDRAM_RATE_T20	(333000 * 2 * 1000)
+#define EMC_SDRAM_RATE_T25	(380000 * 2 * 1000)
+
+int board_emc_init(void)
+{
+	unsigned rate;
+
+	switch (tegra_get_chip_sku()) {
+	default:
+	case TEGRA_SOC_T20:
+		rate  = EMC_SDRAM_RATE_T20;
+		break;
+	case TEGRA_SOC_T25:
+		rate  = EMC_SDRAM_RATE_T25;
+		break;
+	}
+	return tegra_set_emc(gd->fdt_blob, rate);
+}
diff --git a/qemu/roms/u-boot/board/nvidia/common/emc.h b/qemu/roms/u-boot/board/nvidia/common/emc.h
new file mode 100644
index 000000000..409523517
--- /dev/null
+++ b/qemu/roms/u-boot/board/nvidia/common/emc.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2010,2011 NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _NVIDIA_EMC_H_
+#define _NVIDIA_EMC_H_
+
+int board_emc_init(void);
+
+#endif