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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/include/asm/mach/arch.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/include/asm/mach/arch.h')
-rw-r--r--arch/arm/include/asm/mach/arch.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
new file mode 100644
index 000000000..9349e7a82
--- /dev/null
+++ b/arch/arm/include/asm/mach/arch.h
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * arch/arm/include/asm/mach/arch.h
+ *
+ * Copyright (C) 2000 Russell King
+ */
+
+#include <linux/types.h>
+
+#ifndef __ASSEMBLY__
+#include <linux/reboot.h>
+
+struct tag;
+struct pt_regs;
+struct smp_operations;
+#ifdef CONFIG_SMP
+#define smp_ops(ops) (&(ops))
+#define smp_init_ops(ops) (&(ops))
+#else
+#define smp_ops(ops) (struct smp_operations *)NULL
+#define smp_init_ops(ops) (bool (*)(void))NULL
+#endif
+
+struct machine_desc {
+ unsigned int nr; /* architecture number */
+ const char *name; /* architecture name */
+ unsigned long atag_offset; /* tagged list (relative) */
+ const char *const *dt_compat; /* array of device tree
+ * 'compatible' strings */
+
+ unsigned int nr_irqs; /* number of IRQs */
+
+#ifdef CONFIG_ZONE_DMA
+ phys_addr_t dma_zone_size; /* size of DMA-able area */
+#endif
+
+ unsigned int video_start; /* start of video RAM */
+ unsigned int video_end; /* end of video RAM */
+
+ unsigned char reserve_lp0 :1; /* never has lp0 */
+ unsigned char reserve_lp1 :1; /* never has lp1 */
+ unsigned char reserve_lp2 :1; /* never has lp2 */
+ enum reboot_mode reboot_mode; /* default restart mode */
+ unsigned l2c_aux_val; /* L2 cache aux value */
+ unsigned l2c_aux_mask; /* L2 cache aux mask */
+ void (*l2c_write_sec)(unsigned long, unsigned);
+ const struct smp_operations *smp; /* SMP operations */
+ bool (*smp_init)(void);
+ void (*fixup)(struct tag *, char **);
+ void (*dt_fixup)(void);
+ long long (*pv_fixup)(void);
+ void (*reserve)(void);/* reserve mem blocks */
+ void (*map_io)(void);/* IO mapping function */
+ void (*init_early)(void);
+ void (*init_irq)(void);
+ void (*init_time)(void);
+ void (*init_machine)(void);
+ void (*init_late)(void);
+ void (*handle_irq)(struct pt_regs *);
+ void (*restart)(enum reboot_mode, const char *);
+};
+
+/*
+ * Current machine - only accessible during boot.
+ */
+extern const struct machine_desc *machine_desc;
+
+/*
+ * Machine type table - also only accessible during boot
+ */
+extern const struct machine_desc __arch_info_begin[], __arch_info_end[];
+#define for_each_machine_desc(p) \
+ for (p = __arch_info_begin; p < __arch_info_end; p++)
+
+/*
+ * Set of macros to define architecture features. This is built into
+ * a table by the linker.
+ */
+#define MACHINE_START(_type,_name) \
+static const struct machine_desc __mach_desc_##_type \
+ __used \
+ __section(".arch.info.init") = { \
+ .nr = MACH_TYPE_##_type, \
+ .name = _name,
+
+#define MACHINE_END \
+};
+
+#define DT_MACHINE_START(_name, _namestr) \
+static const struct machine_desc __mach_desc_##_name \
+ __used \
+ __section(".arch.info.init") = { \
+ .nr = ~0, \
+ .name = _namestr,
+
+#endif