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-rw-r--r--include/asm-ppc64/machdep.h185
1 files changed, 185 insertions, 0 deletions
diff --git a/include/asm-ppc64/machdep.h b/include/asm-ppc64/machdep.h
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index 000000000000..5d3cd9d042e2
--- /dev/null
+++ b/include/asm-ppc64/machdep.h
@@ -0,0 +1,185 @@
+#ifdef __KERNEL__
+#ifndef _PPC64_MACHDEP_H
+#define _PPC64_MACHDEP_H
+
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/seq_file.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/setup.h>
+
+struct pt_regs;
+struct pci_bus;
+struct device_node;
+struct iommu_table;
+struct rtc_time;
+struct file;
+
+#ifdef CONFIG_SMP
+struct smp_ops_t {
+ void (*message_pass)(int target, int msg);
+ int (*probe)(void);
+ void (*kick_cpu)(int nr);
+ void (*setup_cpu)(int nr);
+ void (*take_timebase)(void);
+ void (*give_timebase)(void);
+ int (*cpu_enable)(unsigned int nr);
+ int (*cpu_disable)(void);
+ void (*cpu_die)(unsigned int nr);
+ int (*cpu_bootable)(unsigned int nr);
+};
+#endif
+
+struct machdep_calls {
+ void (*hpte_invalidate)(unsigned long slot,
+ unsigned long va,
+ int large,
+ int local);
+ long (*hpte_updatepp)(unsigned long slot,
+ unsigned long newpp,
+ unsigned long va,
+ int large,
+ int local);
+ void (*hpte_updateboltedpp)(unsigned long newpp,
+ unsigned long ea);
+ long (*hpte_insert)(unsigned long hpte_group,
+ unsigned long va,
+ unsigned long prpn,
+ int secondary,
+ unsigned long hpteflags,
+ int bolted,
+ int large);
+ long (*hpte_remove)(unsigned long hpte_group);
+ void (*flush_hash_range)(unsigned long context,
+ unsigned long number,
+ int local);
+ /* special for kexec, to be called in real mode, linar mapping is
+ * destroyed as well */
+ void (*hpte_clear_all)(void);
+
+ void (*tce_build)(struct iommu_table * tbl,
+ long index,
+ long npages,
+ unsigned long uaddr,
+ enum dma_data_direction direction);
+ void (*tce_free)(struct iommu_table *tbl,
+ long index,
+ long npages);
+ void (*tce_flush)(struct iommu_table *tbl);
+ void (*iommu_dev_setup)(struct pci_dev *dev);
+ void (*iommu_bus_setup)(struct pci_bus *bus);
+
+ int (*probe)(int platform);
+ void (*setup_arch)(void);
+ void (*init_early)(void);
+ /* Optional, may be NULL. */
+ void (*get_cpuinfo)(struct seq_file *m);
+
+ void (*init_IRQ)(void);
+ int (*get_irq)(struct pt_regs *);
+
+ /* PCI stuff */
+ void (*pcibios_fixup)(void);
+
+ void (*restart)(char *cmd);
+ void (*power_off)(void);
+ void (*halt)(void);
+ void (*panic)(char *str);
+ void (*cpu_die)(void);
+
+ int (*set_rtc_time)(struct rtc_time *);
+ void (*get_rtc_time)(struct rtc_time *);
+ void (*get_boot_time)(struct rtc_time *);
+
+ void (*calibrate_decr)(void);
+
+ void (*progress)(char *, unsigned short);
+
+ /* Debug interface. Low level I/O to some terminal device */
+ void (*udbg_putc)(unsigned char c);
+ unsigned char (*udbg_getc)(void);
+ int (*udbg_getc_poll)(void);
+
+ /* Interface for platform error logging */
+ void (*log_error)(char *buf, unsigned int err_type, int fatal);
+
+ ssize_t (*nvram_write)(char *buf, size_t count, loff_t *index);
+ ssize_t (*nvram_read)(char *buf, size_t count, loff_t *index);
+ ssize_t (*nvram_size)(void);
+ int (*nvram_sync)(void);
+
+ /* Exception handlers */
+ void (*system_reset_exception)(struct pt_regs *regs);
+ int (*machine_check_exception)(struct pt_regs *regs);
+
+ /* Motherboard/chipset features. This is a kind of general purpose
+ * hook used to control some machine specific features (like reset
+ * lines, chip power control, etc...).
+ */
+ long (*feature_call)(unsigned int feature, ...);
+
+ /* Check availability of legacy devices like i8042 */
+ int (*check_legacy_ioport)(unsigned int baseport);
+
+ /* Get legacy PCI/IDE interrupt mapping */
+ int (*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
+
+ /* Get access protection for /dev/mem */
+ pgprot_t (*phys_mem_access_prot)(struct file *file,
+ unsigned long offset,
+ unsigned long size,
+ pgprot_t vma_prot);
+
+};
+
+extern struct machdep_calls ppc_md;
+extern char cmd_line[COMMAND_LINE_SIZE];
+
+#ifdef CONFIG_PPC_PMAC
+/*
+ * Power macintoshes have either a CUDA, PMU or SMU controlling
+ * system reset, power, NVRAM, RTC.
+ */
+typedef enum sys_ctrler_kind {
+ SYS_CTRLER_UNKNOWN = 0,
+ SYS_CTRLER_CUDA = 1,
+ SYS_CTRLER_PMU = 2,
+ SYS_CTRLER_SMU = 3,
+} sys_ctrler_t;
+extern sys_ctrler_t sys_ctrler;
+
+#endif /* CONFIG_PPC_PMAC */
+
+
+
+/* Functions to produce codes on the leds.
+ * The SRC code should be unique for the message category and should
+ * be limited to the lower 24 bits (the upper 8 are set by these funcs),
+ * and (for boot & dump) should be sorted numerically in the order
+ * the events occur.
+ */
+/* Print a boot progress message. */
+void ppc64_boot_msg(unsigned int src, const char *msg);
+/* Print a termination message (print only -- does not stop the kernel) */
+void ppc64_terminate_msg(unsigned int src, const char *msg);
+/* Print something that needs attention (device error, etc) */
+void ppc64_attention_msg(unsigned int src, const char *msg);
+/* Print a dump progress message. */
+void ppc64_dump_msg(unsigned int src, const char *msg);
+
+static inline void log_error(char *buf, unsigned int err_type, int fatal)
+{
+ if (ppc_md.log_error)
+ ppc_md.log_error(buf, err_type, fatal);
+}
+
+#endif /* _PPC64_MACHDEP_H */
+#endif /* __KERNEL__ */