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

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2016 Toradex, Inc.
+ */
+
+#include <common.h>
+#include <env.h>
+#include <g_dnl.h>
+#include <linux/libfdt.h>
+
+#include "tdx-cfg-block.h"
+#include <asm/setup.h>
+#include "tdx-common.h"
+
+#define TORADEX_OUI 0x00142dUL
+
+#ifdef CONFIG_TDX_CFG_BLOCK
+static char tdx_serial_str[9];
+static char tdx_board_rev_str[6];
+
+#ifdef CONFIG_REVISION_TAG
+u32 get_board_rev(void)
+{
+	/* Check validity */
+	if (!tdx_hw_tag.ver_major)
+		return 0;
+
+	return ((tdx_hw_tag.ver_major & 0xff) << 8) |
+		((tdx_hw_tag.ver_minor & 0xf) << 4) |
+		((tdx_hw_tag.ver_assembly & 0xf) + 0xa);
+}
+#endif /* CONFIG_TDX_CFG_BLOCK */
+
+#ifdef CONFIG_SERIAL_TAG
+void get_board_serial(struct tag_serialnr *serialnr)
+{
+	int array[8];
+	unsigned int serial = tdx_serial;
+	int i;
+
+	serialnr->low = 0;
+	serialnr->high = 0;
+
+	/* Check validity */
+	if (serial) {
+		/*
+		 * Convert to Linux serial number format (hexadecimal coded
+		 * decimal)
+		 */
+		i = 7;
+		while (serial) {
+			array[i--] = serial % 10;
+			serial /= 10;
+		}
+		while (i >= 0)
+			array[i--] = 0;
+		serial = array[0];
+		for (i = 1; i < 8; i++) {
+			serial *= 16;
+			serial += array[i];
+		}
+
+		serialnr->low = serial;
+	}
+}
+#endif /* CONFIG_SERIAL_TAG */
+
+int show_board_info(void)
+{
+	unsigned char ethaddr[6];
+
+	if (read_tdx_cfg_block()) {
+		printf("MISSING TORADEX CONFIG BLOCK\n");
+		tdx_eth_addr.oui = htonl(TORADEX_OUI << 8);
+		tdx_eth_addr.nic = htonl(tdx_serial << 8);
+		checkboard();
+	} else {
+		sprintf(tdx_serial_str, "%08u", tdx_serial);
+		sprintf(tdx_board_rev_str, "V%1d.%1d%c",
+			tdx_hw_tag.ver_major,
+			tdx_hw_tag.ver_minor,
+			(char)tdx_hw_tag.ver_assembly + 'A');
+
+		env_set("serial#", tdx_serial_str);
+
+		printf("Model: Toradex %s %s, Serial# %s\n",
+		       toradex_modules[tdx_hw_tag.prodid],
+		       tdx_board_rev_str,
+		       tdx_serial_str);
+	}
+
+	/*
+	 * Check if environment contains a valid MAC address,
+	 * set the one from config block if not
+	 */
+	if (!eth_env_get_enetaddr("ethaddr", ethaddr))
+		eth_env_set_enetaddr("ethaddr", (u8 *)&tdx_eth_addr);
+
+#ifdef CONFIG_TDX_CFG_BLOCK_2ND_ETHADDR
+	if (!eth_env_get_enetaddr("eth1addr", ethaddr)) {
+		/*
+		 * Secondary MAC address is allocated from block
+		 * 0x100000 higher then the first MAC address
+		 */
+		memcpy(ethaddr, &tdx_eth_addr, 6);
+		ethaddr[3] += 0x10;
+		eth_env_set_enetaddr("eth1addr", ethaddr);
+	}
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_USB_GADGET_DOWNLOAD
+int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
+{
+	unsigned short usb_pid;
+
+	usb_pid = TORADEX_USB_PRODUCT_NUM_OFFSET + tdx_hw_tag.prodid;
+	put_unaligned(usb_pid, &dev->idProduct);
+
+	return 0;
+}
+#endif
+
+#if defined(CONFIG_OF_LIBFDT)
+int ft_common_board_setup(void *blob, bd_t *bd)
+{
+	if (tdx_serial) {
+		fdt_setprop(blob, 0, "serial-number", tdx_serial_str,
+			    strlen(tdx_serial_str) + 1);
+	}
+
+	if (tdx_hw_tag.ver_major) {
+		char prod_id[5];
+
+		sprintf(prod_id, "%04u", tdx_hw_tag.prodid);
+		fdt_setprop(blob, 0, "toradex,product-id", prod_id, 5);
+
+		fdt_setprop(blob, 0, "toradex,board-rev", tdx_board_rev_str,
+			    strlen(tdx_board_rev_str) + 1);
+	}
+
+	return 0;
+}
+#endif
+
+#else /* CONFIG_TDX_CFG_BLOCK */
+
+#ifdef CONFIG_REVISION_TAG
+u32 get_board_rev(void)
+{
+	return 0;
+}
+#endif /* CONFIG_REVISION_TAG */
+
+#ifdef CONFIG_SERIAL_TAG
+u32 get_board_serial(void)
+{
+	return 0;
+}
+#endif /* CONFIG_SERIAL_TAG */
+
+int ft_common_board_setup(void *blob, bd_t *bd)
+{
+	return 0;
+}
+
+#endif /* CONFIG_TDX_CFG_BLOCK */