Tamonten is an NVIDIA Tegra2-based SO-DIMM processor module that is
derived from the Harmony reference design.
Signed-off-by: Thierry Reding <thierry.red...@avionic-design.de>
---
board/avionic-design/common/tamonten.c | 164 ++++++++++++++++++++++++++++++++
board/avionic-design/common/tamonten.h | 34 +++++++
2 files changed, 198 insertions(+), 0 deletions(-)
create mode 100644 board/avionic-design/common/tamonten.c
create mode 100644 board/avionic-design/common/tamonten.h
diff --git a/board/avionic-design/common/tamonten.c
b/board/avionic-design/common/tamonten.c
new file mode 100644
index 0000000..05f9021
--- /dev/null
+++ b/board/avionic-design/common/tamonten.c
@@ -0,0 +1,164 @@
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ * (C) Copyright 2011
+ * Avionic Design GmbH <www.avionic-design.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <ns16550.h>
+#include <asm/io.h>
+#include <asm/arch/tegra2.h>
+#include <asm/arch/sys_proto.h>
+
+#include <asm/arch/clk_rst.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/uart.h>
+#include "tamonten.h"
+
+#ifdef CONFIG_TEGRA2_MMC
+#include <mmc.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+const struct tegra2_sysinfo sysinfo = {
+ CONFIG_TEGRA2_BOARD_STRING
+};
+
+/*
+ * Routine: timer_init
+ * Description: init the timestamp and lastinc value
+ */
+int timer_init(void)
+{
+ return 0;
+}
+
+static void enable_uart(enum periph_id pid)
+{
+ /* Assert UART reset and enable clock */
+ reset_set_enable(pid, 1);
+ clock_enable(pid);
+ clock_ll_set_source(pid, 0); /* UARTx_CLK_SRC = 00, PLLP_OUT0 */
+
+ /* wait for 2us */
+ udelay(2);
+
+ /* De-assert reset to UART */
+ reset_set_enable(pid, 0);
+}
+
+/*
+ * Routine: clock_init_uart
+ * Description: init the PLL and clock for the UART(s)
+ */
+static void clock_init_uart(void)
+{
+#if defined(CONFIG_TEGRA2_ENABLE_UARTD)
+ enable_uart(PERIPH_ID_UART4);
+#endif /* CONFIG_TEGRA2_ENABLE_UARTD */
+}
+
+/*
+ * Routine: pin_mux_uart
+ * Description: setup the pin muxes/tristate values for the UART(s)
+ */
+static void pin_mux_uart(void)
+{
+#if defined(CONFIG_TEGRA2_ENABLE_UARTD)
+ pinmux_set_func(PINGRP_GMC, PMUX_FUNC_UARTD);
+
+ pinmux_tristate_disable(PINGRP_GMC);
+#endif /* CONFIG_TEGRA2_ENABLE_UARTD */
+}
+
+#ifdef CONFIG_TEGRA2_MMC
+/*
+ * Routine: pin_mux_mmc
+ * Description: setup the pin muxes/tristate values for the SDMMC(s)
+ */
+static void pin_mux_mmc(void)
+{
+ /* SDMMC4: config 3, x8 on 2nd set of pins */
+ pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4);
+ pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4);
+ pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4);
+
+ pinmux_tristate_disable(PINGRP_ATB);
+ pinmux_tristate_disable(PINGRP_GMA);
+ pinmux_tristate_disable(PINGRP_GME);
+}
+#endif
+
+/*
+ * Routine: board_init
+ * Description: Early hardware init.
+ */
+int board_init(void)
+{
+ clock_init();
+ clock_verify();
+
+ /* boot param addr */
+ gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
+
+ return 0;
+}
+
+#ifdef CONFIG_TEGRA2_MMC
+/* this is a weak define that we are overriding */
+int board_mmc_init(bd_t *bd)
+{
+ debug("board_mmc_init called\n");
+ /* Enable muxes, etc. for SDMMC controllers */
+ pin_mux_mmc();
+ gpio_config_mmc();
+
+ debug("board_mmc_init: init eMMC\n");
+ /* init dev 0, eMMC chip, with 4-bit bus */
+ tegra2_mmc_init(0, 4);
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+ /* Initialize essential common plls */
+ clock_early_init();
+
+ /* Initialize UART clocks */
+ clock_init_uart();
+
+ /* Initialize periph pinmuxes */
+ pin_mux_uart();
+
+ /* Initialize periph GPIOs */
+ gpio_config_uart();
+
+ /* Init UART, scratch regs, and start CPU */
+ tegra2_start();
+ return 0;
+}
+#endif /* EARLY_INIT */
diff --git a/board/avionic-design/common/tamonten.h
b/board/avionic-design/common/tamonten.h
new file mode 100644
index 0000000..802bc51
--- /dev/null
+++ b/board/avionic-design/common/tamonten.h
@@ -0,0 +1,34 @@
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ * (C) Copyright 2011
+ * Avionic Design GmbH <www.avionic-design.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _TAMONTEN_H_
+#define _TAMONTEN_H_
+
+void tegra2_start(void);
+void gpio_config_uart(void);
+void gpio_config_mmc(void);
+int tegra2_mmc_init(int dev_index, int bus_width);
+
+#endif /* TAMONTEN_H */
--
1.7.7.3
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