修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/arch/xtensa/include/asm/kmem_layout.h
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@@ -11,6 +11,7 @@
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 #ifndef _XTENSA_KMEM_LAYOUT_H
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 #define _XTENSA_KMEM_LAYOUT_H
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+#include <asm/core.h>
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 #include <asm/types.h>
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 #ifdef CONFIG_MMU
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@@ -65,6 +66,34 @@
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 #endif
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+/* KIO definition */
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+
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+#if XCHAL_HAVE_PTP_MMU
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+#define XCHAL_KIO_CACHED_VADDR		0xe0000000
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+#define XCHAL_KIO_BYPASS_VADDR		0xf0000000
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+#define XCHAL_KIO_DEFAULT_PADDR		0xf0000000
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+#else
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+#define XCHAL_KIO_BYPASS_VADDR		XCHAL_KIO_PADDR
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+#define XCHAL_KIO_DEFAULT_PADDR		0x90000000
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+#endif
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+#define XCHAL_KIO_SIZE			0x10000000
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+
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+#if (!XCHAL_HAVE_PTP_MMU || XCHAL_HAVE_SPANNING_WAY) && defined(CONFIG_USE_OF)
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+#define XCHAL_KIO_PADDR			xtensa_get_kio_paddr()
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+#ifndef __ASSEMBLY__
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+extern unsigned long xtensa_kio_paddr;
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+
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+static inline unsigned long xtensa_get_kio_paddr(void)
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+{
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+	return xtensa_kio_paddr;
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+}
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+#endif
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+#else
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+#define XCHAL_KIO_PADDR			XCHAL_KIO_DEFAULT_PADDR
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+#endif
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+
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+/* KERNEL_STACK definition */
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+
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 #ifndef CONFIG_KASAN
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 #define KERNEL_STACK_SHIFT	13
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 #else