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

source/bootloader/u-boot-2020.01/arch/arm/mach-omap2/omap3/emac.c

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ *
+ * DaVinci EMAC initialization.
+ *
+ * (C) Copyright 2011, Ilya Yanok, Emcraft Systems
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/am35x_def.h>
+
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+int cpu_eth_init(bd_t *bis)
+{
+	u32 reset;
+
+	/* ensure that the module is out of reset */
+	reset = readl(&am35x_scm_general_regs->ip_sw_reset);
+	reset &= ~CPGMACSS_SW_RST;
+	writel(reset, &am35x_scm_general_regs->ip_sw_reset);
+
+	return 0;
+}