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

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2011
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
+ */
+
+#ifndef __ASM_ARCH_CLOCK_H
+#define __ASM_ARCH_CLOCK_H
+
+#include <common.h>
+
+#ifdef CONFIG_MX35_HCLK_FREQ
+#define MXC_HCLK	CONFIG_MX35_HCLK_FREQ
+#else
+#define MXC_HCLK	24000000
+#endif
+
+#ifdef CONFIG_MX35_CLK32
+#define MXC_CLK32	CONFIG_MX35_CLK32
+#else
+#define MXC_CLK32	32768
+#endif
+
+enum mxc_clock {
+	MXC_ARM_CLK,
+	MXC_AHB_CLK,
+	MXC_IPG_CLK,
+	MXC_IPG_PERCLK,
+	MXC_UART_CLK,
+	MXC_ESDHC1_CLK,
+	MXC_ESDHC2_CLK,
+	MXC_ESDHC3_CLK,
+	MXC_USB_CLK,
+	MXC_CSPI_CLK,
+	MXC_FEC_CLK,
+	MXC_I2C_CLK,
+};
+
+enum mxc_main_clock {
+	CPU_CLK,
+	AHB_CLK,
+	IPG_CLK,
+	IPG_PER_CLK,
+	NFC_CLK,
+	USB_CLK,
+	HSP_CLK,
+};
+
+enum mxc_peri_clock {
+	UART1_BAUD,
+	UART2_BAUD,
+	UART3_BAUD,
+	SSI1_BAUD,
+	SSI2_BAUD,
+	CSI_BAUD,
+	MSHC_CLK,
+	ESDHC1_CLK,
+	ESDHC2_CLK,
+	ESDHC3_CLK,
+	SPDIF_CLK,
+	SPI1_CLK,
+	SPI2_CLK,
+};
+
+u32 imx_get_uartclk(void);
+u32 imx_get_fecclk(void);
+unsigned int mxc_get_clock(enum mxc_clock clk);
+
+#endif /* __ASM_ARCH_CLOCK_H */