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Diffstat (limited to 'arch/powerpc/include/asm/machdep.h')
-rw-r--r--arch/powerpc/include/asm/machdep.h88
1 files changed, 28 insertions, 60 deletions
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 7bcb64444a39..1862f94335ee 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -3,20 +3,14 @@
#define _ASM_POWERPC_MACHDEP_H
#ifdef __KERNEL__
+#include <linux/compiler.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/export.h>
-#include <asm/setup.h>
-
-/* We export this macro for external modules like Alsa to know if
- * ppc_md.feature_call is implemented or not
- */
-#define CONFIG_PPC_HAS_FEATURE_CALLS
-
struct pt_regs;
-struct pci_bus;
+struct pci_bus;
struct device_node;
struct iommu_table;
struct rtc_time;
@@ -26,13 +20,14 @@ struct kimage;
struct pci_host_bridge;
struct machdep_calls {
- char *name;
+ const char *name;
+ const char *compatible;
+ const char * const *compatibles;
#ifdef CONFIG_PPC64
#ifdef CONFIG_PM
- void (*iommu_save)(void);
void (*iommu_restore)(void);
#endif
-#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
+#ifdef CONFIG_MEMORY_HOTPLUG
unsigned long (*memory_block_size)(void);
#endif
#endif /* CONFIG_PPC64 */
@@ -43,7 +38,6 @@ struct machdep_calls {
void (*setup_arch)(void); /* Optional, may be NULL */
/* Optional, may be NULL. */
void (*show_cpuinfo)(struct seq_file *m);
- void (*show_percpuinfo)(struct seq_file *m, int i);
/* Returns the current operating frequency of "cpu" in Hz */
unsigned long (*get_proc_freq)(unsigned int cpu);
@@ -59,21 +53,21 @@ struct machdep_calls {
int (*pcibios_root_bridge_prepare)(struct pci_host_bridge
*bridge);
+ /* finds all the pci_controllers present at boot */
+ void (*discover_phbs)(void);
+
/* To setup PHBs when using automatic OF platform driver for PCI */
int (*pci_setup_phb)(struct pci_controller *host);
void __noreturn (*restart)(char *cmd);
void __noreturn (*halt)(void);
void (*panic)(char *str);
- void (*cpu_die)(void);
long (*time_init)(void); /* Optional, may be NULL */
int (*set_rtc_time)(struct rtc_time *);
void (*get_rtc_time)(struct rtc_time *);
time64_t (*get_boot_time)(void);
- unsigned char (*rtc_read_val)(int addr);
- void (*rtc_write_val)(int addr, unsigned char val);
void (*calibrate_decr)(void);
@@ -85,8 +79,8 @@ struct machdep_calls {
unsigned char (*nvram_read_val)(int addr);
void (*nvram_write_val)(int addr, unsigned char val);
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);
+ ssize_t (*nvram_read)(char *buf, size_t count, loff_t *index);
+ ssize_t (*nvram_size)(void);
void (*nvram_sync)(void);
/* Exception handlers */
@@ -101,18 +95,19 @@ struct machdep_calls {
/* Called during machine check exception to retrive fixup address. */
bool (*mce_check_early_recovery)(struct pt_regs *regs);
+ void (*machine_check_log_err)(void);
+
/* 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, ...);
- /* Get legacy PCI/IDE interrupt mapping */
+ /* 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 pfn,
+ pgprot_t (*phys_mem_access_prot)(unsigned long pfn,
unsigned long size,
pgprot_t vma_prot);
@@ -131,7 +126,7 @@ struct machdep_calls {
unsigned long dabrx);
/* Set DAWR for this platform, leave empty for default implementation */
- int (*set_dawr)(unsigned long dawr,
+ int (*set_dawr)(int nr, unsigned long dawr,
unsigned long dawrx);
#ifdef CONFIG_PPC32 /* XXX for now */
@@ -139,8 +134,6 @@ struct machdep_calls {
May be NULL. */
void (*init)(void);
- void (*kgdb_map_scc)(void);
-
/*
* optional PCI "hooks"
*/
@@ -185,13 +178,6 @@ struct machdep_calls {
#ifdef CONFIG_KEXEC_CORE
void (*kexec_cpu_down)(int crash_shutdown, int secondary);
- /* Called to do what every setup is needed on image and the
- * reboot code buffer. Returns 0 on success.
- * Provide your own (maybe dummy) implementation if your platform
- * claims to support kexec.
- */
- int (*machine_kexec_prepare)(struct kimage *image);
-
/* Called to perform the _real_ kexec.
* Do NOT allocate memory or fail here. We are past the point of
* no return.
@@ -208,24 +194,18 @@ struct machdep_calls {
void (*suspend_disable_irqs)(void);
void (*suspend_enable_irqs)(void);
#endif
- int (*suspend_disable_cpu)(void);
#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
ssize_t (*cpu_probe)(const char *, size_t);
ssize_t (*cpu_release)(const char *, size_t);
#endif
-#ifdef CONFIG_ARCH_RANDOM
int (*get_random_seed)(unsigned long *v);
-#endif
};
extern void e500_idle(void);
extern void power4_idle(void);
-extern void power7_idle(void);
-extern void power9_idle(void);
extern void ppc6xx_idle(void);
-extern void book3e_idle(void);
/*
* ppc_md contains a copy of the machine description structure for the
@@ -235,36 +215,24 @@ extern void book3e_idle(void);
extern struct machdep_calls ppc_md;
extern struct machdep_calls *machine_id;
-#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
+#define __machine_desc __section(".machine.desc")
#define define_machine(name) \
extern struct machdep_calls mach_##name; \
EXPORT_SYMBOL(mach_##name); \
struct machdep_calls mach_##name __machine_desc =
-#define machine_is(name) \
- ({ \
- extern struct machdep_calls mach_##name \
- __attribute__((weak)); \
- machine_id == &mach_##name; \
- })
-
-extern void probe_machine(void);
+static inline bool __machine_is(const struct machdep_calls *md)
+{
+ WARN_ON(!machine_id); // complain if used before probe_machine()
+ return machine_id == md;
+}
-#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 */
+#define machine_is(name) \
+ ({ \
+ extern struct machdep_calls mach_##name __weak; \
+ __machine_is(&mach_##name); \
+ })
static inline void log_error(char *buf, unsigned int err_type, int fatal)
{
generated by cgit (git 2.34.1) at 2024-05-08 18:17:28 +0000