From 3f2546b2ef55b661fd8dd69682b38992225e86f6 Mon Sep 17 00:00:00 2001
From: fishsoupisgood <github@madingley.org>
Date: Mon, 29 Apr 2019 01:17:54 +0100
Subject: Initial import of qemu-2.4.1

---
 roms/u-boot/board/omicron/calimain/Makefile   |  10 ++
 roms/u-boot/board/omicron/calimain/calimain.c | 147 ++++++++++++++++++++++++++
 2 files changed, 157 insertions(+)
 create mode 100644 roms/u-boot/board/omicron/calimain/Makefile
 create mode 100644 roms/u-boot/board/omicron/calimain/calimain.c

(limited to 'roms/u-boot/board/omicron')

diff --git a/roms/u-boot/board/omicron/calimain/Makefile b/roms/u-boot/board/omicron/calimain/Makefile
new file mode 100644
index 00000000..59c118d0
--- /dev/null
+++ b/roms/u-boot/board/omicron/calimain/Makefile
@@ -0,0 +1,10 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y   := calimain.o
diff --git a/roms/u-boot/board/omicron/calimain/calimain.c b/roms/u-boot/board/omicron/calimain/calimain.c
new file mode 100644
index 00000000..dd28915c
--- /dev/null
+++ b/roms/u-boot/board/omicron/calimain/calimain.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2011 OMICRON electronics GmbH
+ *
+ * Based on da850evm.c. Original Copyrights follow:
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <net.h>
+#include <netdev.h>
+#include <watchdog.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/emif_defs.h>
+#include <asm/arch/emac_defs.h>
+#include <asm/arch/pinmux_defs.h>
+#include <asm/arch/davinci_misc.h>
+#include <asm/arch/timer_defs.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define CALIMAIN_HWVERSION_MASK    0x7f000000
+#define CALIMAIN_HWVERSION_SHIFT   24
+
+/* Hardware version pinmux settings */
+const struct pinmux_config hwversion_pins[] = {
+	{ pinmux(16), 8, 2 }, /* GP7[15] */
+	{ pinmux(16), 8, 3 }, /* GP7[14] */
+	{ pinmux(16), 8, 4 }, /* GP7[13] */
+	{ pinmux(16), 8, 5 }, /* GP7[12] */
+	{ pinmux(16), 8, 6 }, /* GP7[11] */
+	{ pinmux(16), 8, 7 }, /* GP7[10] */
+	{ pinmux(17), 8, 0 }, /* GP7[9] */
+	{ pinmux(17), 8, 1 }  /* GP7[8] */
+};
+
+const struct pinmux_resource pinmuxes[] = {
+	PINMUX_ITEM(uart2_pins_txrx),
+	PINMUX_ITEM(emac_pins_mii),
+	PINMUX_ITEM(emac_pins_mdio),
+	PINMUX_ITEM(emifa_pins_nor),
+	PINMUX_ITEM(emifa_pins_cs2),
+	PINMUX_ITEM(emifa_pins_cs3),
+};
+
+const int pinmuxes_size = ARRAY_SIZE(pinmuxes);
+
+const struct lpsc_resource lpsc[] = {
+	{ DAVINCI_LPSC_AEMIF },	/* NAND, NOR */
+	{ DAVINCI_LPSC_EMAC },	/* image download */
+	{ DAVINCI_LPSC_UART2 },	/* console */
+	{ DAVINCI_LPSC_GPIO },
+};
+
+const int lpsc_size = ARRAY_SIZE(lpsc);
+
+/* read board revision from GPIO7[8..14] */
+u32 get_board_rev(void)
+{
+	lpsc_on(DAVINCI_LPSC_GPIO);
+	if (davinci_configure_pin_mux(hwversion_pins,
+				      ARRAY_SIZE(hwversion_pins)) != 0)
+		return 0xffffffff;
+
+	return (davinci_gpio_bank67->in_data & CALIMAIN_HWVERSION_MASK)
+		>> CALIMAIN_HWVERSION_SHIFT;
+}
+
+/*
+ * determine the oscillator frequency depending on the board revision
+ *
+ * rev 0x00  ... 25 MHz oscillator
+ * rev 0x01  ... 24 MHz oscillator
+ */
+int calimain_get_osc_freq(void)
+{
+	u32 rev;
+	int freq;
+
+	rev = get_board_rev();
+	switch (rev) {
+	case 0x00:
+		freq = 25000000;
+		break;
+	default:
+		freq = 24000000;
+		break;
+	}
+	return freq;
+}
+
+int board_init(void)
+{
+	int val;
+
+#ifndef CONFIG_USE_IRQ
+	irq_init();
+#endif
+
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+	/* select emac MII mode */
+	val = readl(&davinci_syscfg_regs->cfgchip3);
+	val &= ~(1 << 8);
+	writel(val, &davinci_syscfg_regs->cfgchip3);
+#endif /* CONFIG_DRIVER_TI_EMAC */
+
+#ifdef CONFIG_HW_WATCHDOG
+	davinci_hw_watchdog_enable();
+#endif
+
+	printf("Input clock frequency: %d Hz\n", calimain_get_osc_freq());
+	printf("Board revision:        %d\n", get_board_rev());
+
+	return 0;
+}
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+/*
+ * Initializes on-board ethernet controllers.
+ */
+int board_eth_init(bd_t *bis)
+{
+	if (!davinci_emac_initialize()) {
+		printf("Error: Ethernet init failed!\n");
+		return -1;
+	}
+
+	return 0;
+}
+#endif /* CONFIG_DRIVER_TI_EMAC */
+
+#ifdef CONFIG_HW_WATCHDOG
+void hw_watchdog_reset(void)
+{
+	davinci_hw_watchdog_reset();
+}
+#endif
-- 
cgit v1.2.3