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

source/bootloader/u-boot-2020.01/board/atmel/common/Makefile

@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2017 Microchip
+#		      Wenyou Yang <wenyou.yang@microchip.com>
+
+obj-y += board.o
+obj-$(CONFIG_I2C_EEPROM) += mac_eeprom.o
+obj-$(CONFIG_DM_VIDEO) += video_display.o

source/bootloader/u-boot-2020.01/board/atmel/common/board.c

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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Microchip
+ *		      Wenyou Yang <wenyou.yang@microchip.com>
+ */
+
+#include <common.h>
+#include <env.h>
+#include <w1.h>
+#include <w1-eeprom.h>
+#include <dm/device-internal.h>
+
+#define AT91_PDA_EEPROM_ID_OFFSET		15
+#define AT91_PDA_EEPROM_ID_LENGTH		5
+#define AT91_PDA_EEPROM_DEFAULT_BUS		0
+
+char *get_cpu_name(void);
+
+void dummy(void)
+{
+}
+
+#if defined CONFIG_W1
+void at91_pda_detect(void)
+{
+	struct udevice *bus, *dev;
+	u8 buf[AT91_PDA_EEPROM_ID_LENGTH + 1] = {0};
+	int ret;
+	int pda = 0;
+
+	ret = w1_get_bus(AT91_PDA_EEPROM_DEFAULT_BUS, &bus);
+	if (ret)
+		goto pda_detect_err;
+
+	for (device_find_first_child(bus, &dev);
+	     dev;
+	     device_find_next_child(&dev)) {
+		ret = device_probe(dev);
+		if (ret) {
+			continue;
+		} else {
+			ret = w1_eeprom_read_buf(dev, AT91_PDA_EEPROM_ID_OFFSET,
+						 (u8 *)buf, AT91_PDA_EEPROM_ID_LENGTH);
+			if (ret)
+				goto pda_detect_err;
+			break;
+		}
+	}
+	pda = simple_strtoul((const char *)buf, NULL, 10);
+
+	switch (pda) {
+	case 7000:
+		if (buf[4] == 'B')
+			printf("PDA TM7000B detected\n");
+		else
+			printf("PDA TM7000 detected\n");
+		break;
+	case 4300:
+		printf("PDA TM4300 detected\n");
+		break;
+	case 5000:
+		printf("PDA TM5000 detected\n");
+		break;
+	}
+
+pda_detect_err:
+	env_set("pda", (const char *)buf);
+}
+#else
+void at91_pda_detect(void)
+{
+}
+#endif
+
+void at91_prepare_cpu_var(void)
+{
+	env_set("cpu", get_cpu_name());
+}

source/bootloader/u-boot-2020.01/board/atmel/common/mac_eeprom.c

@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Microchip
+ *		      Wenyou Yang <wenyou.yang@microchip.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <eeprom.h>
+#include <env.h>
+#include <i2c_eeprom.h>
+#include <netdev.h>
+
+int at91_set_ethaddr(int offset)
+{
+	const int ETH_ADDR_LEN = 6;
+	unsigned char ethaddr[ETH_ADDR_LEN];
+	const char *ETHADDR_NAME = "ethaddr";
+	struct udevice *dev;
+	int ret;
+
+	if (env_get(ETHADDR_NAME))
+		return 0;
+
+	ret = uclass_first_device_err(UCLASS_I2C_EEPROM, &dev);
+	if (ret)
+		return ret;
+
+	ret = i2c_eeprom_read(dev, offset, ethaddr, 6);
+	if (ret)
+		return ret;
+
+	if (is_valid_ethaddr(ethaddr))
+		eth_env_set_enetaddr(ETHADDR_NAME, ethaddr);
+
+	return 0;
+}

source/bootloader/u-boot-2020.01/board/atmel/common/video_display.c

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Microchip
+ *		      Wenyou Yang <wenyou.yang@microchip.com>
+ */
+
+#include <common.h>
+#include <atmel_lcd.h>
+#include <dm.h>
+#include <nand.h>
+#include <version.h>
+#include <video.h>
+#include <video_console.h>
+#include <vsprintf.h>
+#include <asm/io.h>
+#include <asm/arch/clk.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int at91_video_show_board_info(void)
+{
+	struct vidconsole_priv *priv;
+	ulong dram_size, nand_size;
+	int i;
+	u32 len = 0;
+	char buf[255];
+	char *corp = "Microchip Technology Inc.\n";
+	char temp[32];
+	struct udevice *dev, *con;
+	const char *s;
+	vidinfo_t logo_info;
+	int ret;
+
+	len += sprintf(&buf[len], "%s\n", U_BOOT_VERSION);
+	memcpy(&buf[len], corp, strlen(corp));
+	len += strlen(corp);
+	len += sprintf(&buf[len], "%s CPU at %s MHz\n", get_cpu_name(),
+			strmhz(temp, get_cpu_clk_rate()));
+
+	dram_size = 0;
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
+		dram_size += gd->bd->bi_dram[i].size;
+
+	nand_size = 0;
+#ifdef CONFIG_NAND_ATMEL
+	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
+		nand_size += get_nand_dev_by_index(i)->size;
+#endif
+
+	len += sprintf(&buf[len], "%ld MB SDRAM, %ld MB NAND\n",
+		       dram_size >> 20, nand_size >> 20);
+
+	ret = uclass_get_device(UCLASS_VIDEO, 0, &dev);
+	if (ret)
+		return ret;
+
+	microchip_logo_info(&logo_info);
+	ret = video_bmp_display(dev, logo_info.logo_addr,
+				logo_info.logo_x_offset,
+				logo_info.logo_y_offset, false);
+	if (ret)
+		return ret;
+
+	ret = uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con);
+	if (ret)
+		return ret;
+
+	priv = dev_get_uclass_priv(con);
+	vidconsole_position_cursor(con, 0, (logo_info.logo_height +
+				   priv->y_charsize - 1) / priv->y_charsize);
+	for (s = buf, i = 0; i < len; s++, i++)
+		vidconsole_put_char(con, *s);
+
+	return 0;
+}