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authorLinus Torvalds <torvalds@linux-foundation.org>2025-03-29 12:47:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-03-29 12:47:09 -0700
commit1c83601b8ffc1b4ba8dc7f35151131707a8a5ae7 (patch)
treec2f422ea7af898dd13ada86d8c836b3f353e770e /arch/mips/include/asm
parentMerge tag 's390-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390... (diff)
parentMIPS: config: omega2+, vocore2: enable CLK_MTMIPS (diff)
downloadlinux-1c83601b8ffc1b4ba8dc7f35151131707a8a5ae7.tar.gz
linux-1c83601b8ffc1b4ba8dc7f35151131707a8a5ae7.zip
Merge tag 'mips_6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer: - Add support for multi-cluster configuration - Add quirks for enabling multi-cluster mode on EyeQ6 - Add DTS clocks for ralink - Cleanup realtek DTS - Other cleanups and fixes * tag 'mips_6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (35 commits) MIPS: config: omega2+, vocore2: enable CLK_MTMIPS arch: mips: defconfig: Drop obsolete CONFIG_NET_CLS_TCINDEX MIPS: cm: Fix warning if MIPS_CM is disabled MIPS: Fix Macro name MIPS: ds1287: Match ds1287_set_base_clock() function types MIPS: cevt-ds1287: Add missing ds1287.h include MIPS: dec: Declare which_prom() as static MIPS: Loongson2ef: Replace deprecated strncpy() with strscpy() mips: dts: ralink: mt7628a: update system controller node and its consumers mips: dts: ralink: mt7620a: update system controller node and its consumers mips: dts: ralink: rt3883: update system controller node and its consumers mips: dts: ralink: rt3050: update system controller node and its consumers mips: dts: ralink: rt2880: update system controller node and its consumers dt-bindings: clock: add clock definitions for Ralink SoCs MIPS: Use arch specific syscall name match function mips: dts: realtek: Add restart to Cisco SG220-26P mips: dts: realtek: Add RTL838x SoC peripherals mips: dts: realtek: Replace uart clock property mips: dts: realtek: Correct uart interrupt-parent mips: dts: realtek: Add SoC IRQ node for RTL838x ...
Diffstat (limited to 'arch/mips/include/asm')
-rw-r--r--arch/mips/include/asm/ds1287.h2
-rw-r--r--arch/mips/include/asm/ftrace.h16
-rw-r--r--arch/mips/include/asm/mach-rc32434/pci.h2
-rw-r--r--arch/mips/include/asm/mips-cm.h40
-rw-r--r--arch/mips/include/asm/smp-cps.h7
5 files changed, 64 insertions, 3 deletions
diff --git a/arch/mips/include/asm/ds1287.h b/arch/mips/include/asm/ds1287.h
index 46cfb01f9a14..51cb61fd4c03 100644
--- a/arch/mips/include/asm/ds1287.h
+++ b/arch/mips/include/asm/ds1287.h
@@ -8,7 +8,7 @@
#define __ASM_DS1287_H
extern int ds1287_timer_state(void);
-extern void ds1287_set_base_clock(unsigned int clock);
+extern int ds1287_set_base_clock(unsigned int hz);
extern int ds1287_clockevent_init(int irq);
#endif
diff --git a/arch/mips/include/asm/ftrace.h b/arch/mips/include/asm/ftrace.h
index dc025888f6d2..b41fc1044668 100644
--- a/arch/mips/include/asm/ftrace.h
+++ b/arch/mips/include/asm/ftrace.h
@@ -91,4 +91,20 @@ void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra,
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_FUNCTION_TRACER */
+
+#ifdef CONFIG_FTRACE_SYSCALLS
+#ifndef __ASSEMBLY__
+/*
+ * Some syscall entry functions on mips start with "__sys_" (fork and clone,
+ * for instance). We should also match the sys_ variant with those.
+ */
+#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
+static inline bool arch_syscall_match_sym_name(const char *sym,
+ const char *name)
+{
+ return !strcmp(sym, name) ||
+ (!strncmp(sym, "__sys_", 6) && !strcmp(sym + 6, name + 4));
+}
+#endif /* __ASSEMBLY__ */
+#endif /* CONFIG_FTRACE_SYSCALLS */
#endif /* _ASM_MIPS_FTRACE_H */
diff --git a/arch/mips/include/asm/mach-rc32434/pci.h b/arch/mips/include/asm/mach-rc32434/pci.h
index 3eb767c8a4ee..e17ce82d02ba 100644
--- a/arch/mips/include/asm/mach-rc32434/pci.h
+++ b/arch/mips/include/asm/mach-rc32434/pci.h
@@ -167,7 +167,7 @@ struct pci_msu {
#define PCI_CFGA_DEV 0x0000f800
#define PCI_CFGA_DEV_INTERN 0
#define PCI_CFGA_BUS_BIT 16
-#define PCI CFGA_BUS 0x00ff0000
+#define PCI_CFGA_BUS 0x00ff0000
#define PCI_CFGA_BUS_TYPE0 0
#define PCI_CFGA_EN (1 << 31)
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index 23ce951f445b..407f253bb4a1 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -59,6 +59,16 @@ extern phys_addr_t mips_cm_l2sync_phys_base(void);
*/
extern int mips_cm_is64;
+/*
+ * mips_cm_is_l2_hci_broken - determine if HCI is broken
+ *
+ * Some CM reports show that Hardware Cache Initialization is
+ * complete, but in reality it's not the case. They also incorrectly
+ * indicate that Hardware Cache Initialization is supported. This
+ * flags allows warning about this broken feature.
+ */
+extern bool mips_cm_is_l2_hci_broken;
+
/**
* mips_cm_error_report - Report CM cache errors
*/
@@ -98,6 +108,18 @@ static inline bool mips_cm_present(void)
}
/**
+ * mips_cm_update_property - update property from the device tree
+ *
+ * Retrieve the properties from the device tree if a CM node exist and
+ * update the internal variable based on this.
+ */
+#ifdef CONFIG_MIPS_CM
+extern void mips_cm_update_property(void);
+#else
+static inline void mips_cm_update_property(void) {}
+#endif
+
+/**
* mips_cm_has_l2sync - determine whether an L2-only sync region is present
*
* Returns true if the system implements an L2-only sync region, else false.
@@ -255,6 +277,12 @@ GCR_ACCESSOR_RW(32, 0x130, l2_config)
GCR_ACCESSOR_RO(32, 0x150, sys_config2)
#define CM_GCR_SYS_CONFIG2_MAXVPW GENMASK(3, 0)
+/* GCR_L2-RAM_CONFIG - Configuration & status of L2 cache RAMs */
+GCR_ACCESSOR_RW(64, 0x240, l2_ram_config)
+#define CM_GCR_L2_RAM_CONFIG_PRESENT BIT(31)
+#define CM_GCR_L2_RAM_CONFIG_HCI_DONE BIT(30)
+#define CM_GCR_L2_RAM_CONFIG_HCI_SUPPORTED BIT(29)
+
/* GCR_L2_PFT_CONTROL - Controls hardware L2 prefetching */
GCR_ACCESSOR_RW(32, 0x300, l2_pft_control)
#define CM_GCR_L2_PFT_CONTROL_PAGEMASK GENMASK(31, 12)
@@ -266,6 +294,18 @@ GCR_ACCESSOR_RW(32, 0x308, l2_pft_control_b)
#define CM_GCR_L2_PFT_CONTROL_B_CEN BIT(8)
#define CM_GCR_L2_PFT_CONTROL_B_PORTID GENMASK(7, 0)
+/* GCR_L2_TAG_ADDR - Access addresses in L2 cache tags */
+GCR_ACCESSOR_RW(64, 0x600, l2_tag_addr)
+
+/* GCR_L2_TAG_STATE - Access L2 cache tag state */
+GCR_ACCESSOR_RW(64, 0x608, l2_tag_state)
+
+/* GCR_L2_DATA - Access data in L2 cache lines */
+GCR_ACCESSOR_RW(64, 0x610, l2_data)
+
+/* GCR_L2_ECC - Access ECC information from L2 cache lines */
+GCR_ACCESSOR_RW(64, 0x618, l2_ecc)
+
/* GCR_L2SM_COP - L2 cache op state machine control */
GCR_ACCESSOR_RW(32, 0x620, l2sm_cop)
#define CM_GCR_L2SM_COP_PRESENT BIT(31)
diff --git a/arch/mips/include/asm/smp-cps.h b/arch/mips/include/asm/smp-cps.h
index ab94e50f62b8..10d3ebd890cb 100644
--- a/arch/mips/include/asm/smp-cps.h
+++ b/arch/mips/include/asm/smp-cps.h
@@ -22,7 +22,12 @@ struct core_boot_config {
struct vpe_boot_config *vpe_config;
};
-extern struct core_boot_config *mips_cps_core_bootcfg;
+struct cluster_boot_config {
+ unsigned long *core_power;
+ struct core_boot_config *core_config;
+};
+
+extern struct cluster_boot_config *mips_cps_cluster_bootcfg;
extern void mips_cps_core_boot(int cca, void __iomem *gcr_base);
extern void mips_cps_core_init(void);