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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-15 20:43:33 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-15 20:43:33 -0700 |
commit | 7318413077a5141a50a753b1fab687b7907eef16 (patch) | |
tree | 21a59cf856f4bb762f6d3d0635c898ca6b24cff6 /include/linux/irqchip | |
parent | 8d93c7a4315711ea0f7a95ca353a89c4ed0763fb (diff) | |
parent | 35eed7cb2cf1c58a225a0140729ba787fbb06c88 (diff) | |
download | linux-next-7318413077a5141a50a753b1fab687b7907eef16.tar.gz |
Merge branch '4.14-features' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
"This is the main pull request for 4.14 for MIPS; below a summary of
the non-merge commits:
CM:
- Rename mips_cm_base to mips_gcr_base
- Specify register size when generating accessors
- Use BIT/GENMASK for register fields, order & drop shifts
- Add cluster & block args to mips_cm_lock_other()
CPC:
- Use common CPS accessor generation macros
- Use BIT/GENMASK for register fields, order & drop shifts
- Introduce register modify (set/clear/change) accessors
- Use change_*, set_* & clear_* where appropriate
- Add CM/CPC 3.5 register definitions
- Use GlobalNumber macros rather than magic numbers
- Have asm/mips-cps.h include CM & CPC headers
- Cluster support for topology functions
- Detect CPUs in secondary clusters
CPS:
- Read GIC_VL_IDENT directly, not via irqchip driver
DMA:
- Consolidate coherent and non-coherent dma_alloc code
- Don't use dma_cache_sync to implement fd_cacheflush
FPU emulation / FP assist code:
- Another series of 14 commits fixing corner cases such as NaN
propgagation and other special input values.
- Zero bits 32-63 of the result for a CLASS.D instruction.
- Enhanced statics via debugfs
- Do not use bools for arithmetic. GCC 7.1 moans about this.
- Correct user fault_addr type
Generic MIPS:
- Enhancement of stack backtraces
- Cleanup from non-existing options
- Handle non word sized instructions when examining frame
- Fix detection and decoding of ADDIUSP instruction
- Fix decoding of SWSP16 instruction
- Refactor handling of stack pointer in get_frame_info
- Remove unreachable code from force_fcr31_sig()
- Convert to using %pOF instead of full_name
- Remove the R6000 support.
- Move FP code from *_switch.S to *_fpu.S
- Remove unused ST_OFF from r2300_switch.S
- Allow platform to specify multiple its.S files
- Add #includes to various files to ensure code builds reliable and
without warning..
- Remove __invalidate_kernel_vmap_range
- Remove plat_timer_setup
- Declare various variables & functions static
- Abstract CPU core & VP(E) ID access through accessor functions
- Store core & VP IDs in GlobalNumber-style variable
- Unify checks for sibling CPUs
- Add CPU cluster number accessors
- Prevent direct use of generic_defconfig
- Make CONFIG_MIPS_MT_SMP default y
- Add __ioread64_copy
- Remove unnecessary inclusions of linux/irqchip/mips-gic.h
GIC:
- Introduce asm/mips-gic.h with accessor functions
- Use new GIC accessor functions in mips-gic-timer
- Remove counter access functions from irq-mips-gic.c
- Remove gic_read_local_vp_id() from irq-mips-gic.c
- Simplify shared interrupt pending/mask reads in irq-mips-gic.c
- Simplify gic_local_irq_domain_map() in irq-mips-gic.c
- Drop gic_(re)set_mask() functions in irq-mips-gic.c
- Remove gic_set_polarity(), gic_set_trigger(), gic_set_dual_edge(),
gic_map_to_pin() and gic_map_to_vpe() from irq-mips-gic.c.
- Convert remaining shared reg access, local int mask access and
remaining local reg access to new accessors
- Move GIC_LOCAL_INT_* to asm/mips-gic.h
- Remove GIC_CPU_INT* macros from irq-mips-gic.c
- Move various definitions to the driver
- Remove gic_get_usm_range()
- Remove __gic_irq_dispatch() forward declaration
- Remove gic_init()
- Use mips_gic_present() in place of gic_present and remove
gic_present
- Move gic_get_c0_*_int() to asm/mips-gic.h
- Remove linux/irqchip/mips-gic.h
- Inline __gic_init()
- Inline gic_basic_init()
- Make pcpu_masks a per-cpu variable
- Use pcpu_masks to avoid reading GIC_SH_MASK*
- Clean up mti, reserved-cpu-vectors handling
- Use cpumask_first_and() in gic_set_affinity()
- Let the core set struct irq_common_data affinity
microMIPS:
- Fix microMIPS stack unwinding on big endian systems
MIPS-GIC:
- SYNC after enabling GIC region
NUMA:
- Remove the unused parent_node() macro
R6:
- Constify r2_decoder_tables
- Add accessor & bit definitions for GlobalNumber
SMP:
- Constify smp ops
- Allow boot_secondary SMP op to return errors
VDSO:
- Drop gic_get_usm_range() usage
- Avoid use of linux/irqchip/mips-gic.h
Platform changes:
Alchemy:
- Add devboard machine type to cpuinfo
- update cpu feature overrides
- Threaded carddetect irqs for devboards
AR7:
- allow NULL clock for clk_get_rate
BCM63xx:
- Fix ENETDMA_6345_MAXBURST_REG offset
- Allow NULL clock for clk_get_rate
CI20:
- Enable GPIO and RTC drivers in defconfig
- Add ethernet and fixed-regulator nodes to DTS
Generic platform:
- Move Boston and NI 169445 FIT image source to their own files
- Include asm/bootinfo.h for plat_fdt_relocated()
- Include asm/time.h for get_c0_*_int()
- Include asm/bootinfo.h for plat_fdt_relocated()
- Include asm/time.h for get_c0_*_int()
- Allow filtering enabled boards by requirements
- Don't explicitly disable CONFIG_USB_SUPPORT
- Bump default NR_CPUS to 16
JZ4700:
- Probe the jz4740-rtc driver from devicetree
Lantiq:
- Drop check of boot select from the spi-falcon driver.
- Drop check of boot select from the lantiq-flash MTD driver.
- Access boot cause register in the watchdog driver through regmap
- Add device tree binding documentation for the watchdog driver
- Add docs for the RCU DT bindings.
- Convert the fpi bus driver to a platform_driver
- Remove ltq_reset_cause() and ltq_boot_select(
- Switch to a proper reset driver
- Switch to a new drivers/soc GPHY driver
- Add an USB PHY driver for the Lantiq SoCs using the RCU module
- Use of_platform_default_populate instead of __dt_register_buses
- Enable MFD_SYSCON to be able to use it for the RCU MFD
- Replace ltq_boot_select() with dummy implementation.
Loongson 2F:
- Allow NULL clock for clk_get_rate
Malta:
- Use new GIC accessor functions
NI 169445:
- Add support for NI 169445 board.
- Only include in 32r2el kernels
Octeon:
- Add support for watchdog of 78XX SOCs.
- Add support for watchdog of CN68XX SOCs.
- Expose support for mips32r1, mips32r2 and mips64r1
- Enable more drivers in config file
- Add support for accessing the boot vector.
- Remove old boot vector code from watchdog driver
- Define watchdog registers for 70xx, 73xx, 78xx, F75xx.
- Make CSR functions node aware.
- Allow access to CIU3 IRQ domains.
- Misc cleanups in the watchdog driver
Omega2+:
- New board, add support and defconfig
Pistachio:
- Enable Root FS on NFS in defconfig
Ralink:
- Add Mediatek MT7628A SoC
- Allow NULL clock for clk_get_rate
- Explicitly request exclusive reset control in the pci-mt7620 PCI driver.
SEAD3:
- Only include in 32 bit kernels by default
VoCore:
- Add VoCore as a vendor t0 dt-bindings
- Add defconfig file"
* '4.14-features' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (167 commits)
MIPS: Refactor handling of stack pointer in get_frame_info
MIPS: Stacktrace: Fix microMIPS stack unwinding on big endian systems
MIPS: microMIPS: Fix decoding of swsp16 instruction
MIPS: microMIPS: Fix decoding of addiusp instruction
MIPS: microMIPS: Fix detection of addiusp instruction
MIPS: Handle non word sized instructions when examining frame
MIPS: ralink: allow NULL clock for clk_get_rate
MIPS: Loongson 2F: allow NULL clock for clk_get_rate
MIPS: BCM63XX: allow NULL clock for clk_get_rate
MIPS: AR7: allow NULL clock for clk_get_rate
MIPS: BCM63XX: fix ENETDMA_6345_MAXBURST_REG offset
mips: Save all registers when saving the frame
MIPS: Add DWARF unwinding to assembly
MIPS: Make SAVE_SOME more standard
MIPS: Fix issues in backtraces
MIPS: jz4780: DTS: Probe the jz4740-rtc driver from devicetree
MIPS: Ci20: Enable RTC driver
watchdog: octeon-wdt: Add support for 78XX SOCs.
watchdog: octeon-wdt: Add support for cn68XX SOCs.
watchdog: octeon-wdt: File cleaning.
...
Diffstat (limited to 'include/linux/irqchip')
-rw-r--r-- | include/linux/irqchip/mips-gic.h | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/include/linux/irqchip/mips-gic.h b/include/linux/irqchip/mips-gic.h deleted file mode 100644 index 2b0e56619e53..000000000000 --- a/include/linux/irqchip/mips-gic.h +++ /dev/null @@ -1,297 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2000, 07 MIPS Technologies, Inc. - */ -#ifndef __LINUX_IRQCHIP_MIPS_GIC_H -#define __LINUX_IRQCHIP_MIPS_GIC_H - -#include <linux/clocksource.h> -#include <linux/ioport.h> - -#define GIC_MAX_INTRS 256 - -/* Constants */ -#define GIC_POL_POS 1 -#define GIC_POL_NEG 0 -#define GIC_TRIG_EDGE 1 -#define GIC_TRIG_LEVEL 0 -#define GIC_TRIG_DUAL_ENABLE 1 -#define GIC_TRIG_DUAL_DISABLE 0 - -#define MSK(n) ((1 << (n)) - 1) - -/* Accessors */ -#define GIC_REG(segment, offset) (segment##_##SECTION_OFS + offset##_##OFS) - -/* GIC Address Space */ -#define SHARED_SECTION_OFS 0x0000 -#define SHARED_SECTION_SIZE 0x8000 -#define VPE_LOCAL_SECTION_OFS 0x8000 -#define VPE_LOCAL_SECTION_SIZE 0x4000 -#define VPE_OTHER_SECTION_OFS 0xc000 -#define VPE_OTHER_SECTION_SIZE 0x4000 -#define USM_VISIBLE_SECTION_OFS 0x10000 -#define USM_VISIBLE_SECTION_SIZE 0x10000 - -/* Register Map for Shared Section */ - -#define GIC_SH_CONFIG_OFS 0x0000 - -/* Shared Global Counter */ -#define GIC_SH_COUNTER_31_00_OFS 0x0010 -/* 64-bit counter register for CM3 */ -#define GIC_SH_COUNTER_OFS GIC_SH_COUNTER_31_00_OFS -#define GIC_SH_COUNTER_63_32_OFS 0x0014 -#define GIC_SH_REVISIONID_OFS 0x0020 - -/* Convert an interrupt number to a byte offset/bit for multi-word registers */ -#define GIC_INTR_OFS(intr) ({ \ - unsigned bits = mips_cm_is64 ? 64 : 32; \ - unsigned reg_idx = (intr) / bits; \ - unsigned reg_width = bits / 8; \ - \ - reg_idx * reg_width; \ -}) -#define GIC_INTR_BIT(intr) ((intr) % (mips_cm_is64 ? 64 : 32)) - -/* Polarity : Reset Value is always 0 */ -#define GIC_SH_SET_POLARITY_OFS 0x0100 - -/* Triggering : Reset Value is always 0 */ -#define GIC_SH_SET_TRIGGER_OFS 0x0180 - -/* Dual edge triggering : Reset Value is always 0 */ -#define GIC_SH_SET_DUAL_OFS 0x0200 - -/* Set/Clear corresponding bit in Edge Detect Register */ -#define GIC_SH_WEDGE_OFS 0x0280 - -/* Mask manipulation */ -#define GIC_SH_RMASK_OFS 0x0300 -#define GIC_SH_SMASK_OFS 0x0380 - -/* Global Interrupt Mask Register (RO) - Bit Set == Interrupt enabled */ -#define GIC_SH_MASK_OFS 0x0400 - -/* Pending Global Interrupts (RO) */ -#define GIC_SH_PEND_OFS 0x0480 - -/* Maps Interrupt X to a Pin */ -#define GIC_SH_INTR_MAP_TO_PIN_BASE_OFS 0x0500 -#define GIC_SH_MAP_TO_PIN(intr) (4 * (intr)) - -/* Maps Interrupt X to a VPE */ -#define GIC_SH_INTR_MAP_TO_VPE_BASE_OFS 0x2000 -#define GIC_SH_MAP_TO_VPE_REG_OFF(intr, vpe) \ - ((32 * (intr)) + (((vpe) / 32) * 4)) -#define GIC_SH_MAP_TO_VPE_REG_BIT(vpe) (1 << ((vpe) % 32)) - -/* Register Map for Local Section */ -#define GIC_VPE_CTL_OFS 0x0000 -#define GIC_VPE_PEND_OFS 0x0004 -#define GIC_VPE_MASK_OFS 0x0008 -#define GIC_VPE_RMASK_OFS 0x000c -#define GIC_VPE_SMASK_OFS 0x0010 -#define GIC_VPE_WD_MAP_OFS 0x0040 -#define GIC_VPE_COMPARE_MAP_OFS 0x0044 -#define GIC_VPE_TIMER_MAP_OFS 0x0048 -#define GIC_VPE_FDC_MAP_OFS 0x004c -#define GIC_VPE_PERFCTR_MAP_OFS 0x0050 -#define GIC_VPE_SWINT0_MAP_OFS 0x0054 -#define GIC_VPE_SWINT1_MAP_OFS 0x0058 -#define GIC_VPE_OTHER_ADDR_OFS 0x0080 -#define GIC_VP_IDENT_OFS 0x0088 -#define GIC_VPE_WD_CONFIG0_OFS 0x0090 -#define GIC_VPE_WD_COUNT0_OFS 0x0094 -#define GIC_VPE_WD_INITIAL0_OFS 0x0098 -#define GIC_VPE_COMPARE_LO_OFS 0x00a0 -/* 64-bit Compare register on CM3 */ -#define GIC_VPE_COMPARE_OFS GIC_VPE_COMPARE_LO_OFS -#define GIC_VPE_COMPARE_HI_OFS 0x00a4 - -#define GIC_VPE_EIC_SHADOW_SET_BASE_OFS 0x0100 -#define GIC_VPE_EIC_SS(intr) (4 * (intr)) - -#define GIC_VPE_EIC_VEC_BASE_OFS 0x0800 -#define GIC_VPE_EIC_VEC(intr) (4 * (intr)) - -#define GIC_VPE_TENABLE_NMI_OFS 0x1000 -#define GIC_VPE_TENABLE_YQ_OFS 0x1004 -#define GIC_VPE_TENABLE_INT_31_0_OFS 0x1080 -#define GIC_VPE_TENABLE_INT_63_32_OFS 0x1084 - -/* User Mode Visible Section Register Map */ -#define GIC_UMV_SH_COUNTER_31_00_OFS 0x0000 -#define GIC_UMV_SH_COUNTER_63_32_OFS 0x0004 - -/* Masks */ -#define GIC_SH_CONFIG_COUNTSTOP_SHF 28 -#define GIC_SH_CONFIG_COUNTSTOP_MSK (MSK(1) << GIC_SH_CONFIG_COUNTSTOP_SHF) - -#define GIC_SH_CONFIG_COUNTBITS_SHF 24 -#define GIC_SH_CONFIG_COUNTBITS_MSK (MSK(4) << GIC_SH_CONFIG_COUNTBITS_SHF) - -#define GIC_SH_CONFIG_NUMINTRS_SHF 16 -#define GIC_SH_CONFIG_NUMINTRS_MSK (MSK(8) << GIC_SH_CONFIG_NUMINTRS_SHF) - -#define GIC_SH_CONFIG_NUMVPES_SHF 0 -#define GIC_SH_CONFIG_NUMVPES_MSK (MSK(8) << GIC_SH_CONFIG_NUMVPES_SHF) - -#define GIC_SH_WEDGE_SET(intr) ((intr) | (0x1 << 31)) -#define GIC_SH_WEDGE_CLR(intr) ((intr) & ~(0x1 << 31)) - -#define GIC_MAP_TO_PIN_SHF 31 -#define GIC_MAP_TO_PIN_MSK (MSK(1) << GIC_MAP_TO_PIN_SHF) -#define GIC_MAP_TO_NMI_SHF 30 -#define GIC_MAP_TO_NMI_MSK (MSK(1) << GIC_MAP_TO_NMI_SHF) -#define GIC_MAP_TO_YQ_SHF 29 -#define GIC_MAP_TO_YQ_MSK (MSK(1) << GIC_MAP_TO_YQ_SHF) -#define GIC_MAP_SHF 0 -#define GIC_MAP_MSK (MSK(6) << GIC_MAP_SHF) - -/* GIC_VPE_CTL Masks */ -#define GIC_VPE_CTL_FDC_RTBL_SHF 4 -#define GIC_VPE_CTL_FDC_RTBL_MSK (MSK(1) << GIC_VPE_CTL_FDC_RTBL_SHF) -#define GIC_VPE_CTL_SWINT_RTBL_SHF 3 -#define GIC_VPE_CTL_SWINT_RTBL_MSK (MSK(1) << GIC_VPE_CTL_SWINT_RTBL_SHF) -#define GIC_VPE_CTL_PERFCNT_RTBL_SHF 2 -#define GIC_VPE_CTL_PERFCNT_RTBL_MSK (MSK(1) << GIC_VPE_CTL_PERFCNT_RTBL_SHF) -#define GIC_VPE_CTL_TIMER_RTBL_SHF 1 -#define GIC_VPE_CTL_TIMER_RTBL_MSK (MSK(1) << GIC_VPE_CTL_TIMER_RTBL_SHF) -#define GIC_VPE_CTL_EIC_MODE_SHF 0 -#define GIC_VPE_CTL_EIC_MODE_MSK (MSK(1) << GIC_VPE_CTL_EIC_MODE_SHF) - -/* GIC_VPE_PEND Masks */ -#define GIC_VPE_PEND_WD_SHF 0 -#define GIC_VPE_PEND_WD_MSK (MSK(1) << GIC_VPE_PEND_WD_SHF) -#define GIC_VPE_PEND_CMP_SHF 1 -#define GIC_VPE_PEND_CMP_MSK (MSK(1) << GIC_VPE_PEND_CMP_SHF) -#define GIC_VPE_PEND_TIMER_SHF 2 -#define GIC_VPE_PEND_TIMER_MSK (MSK(1) << GIC_VPE_PEND_TIMER_SHF) -#define GIC_VPE_PEND_PERFCOUNT_SHF 3 -#define GIC_VPE_PEND_PERFCOUNT_MSK (MSK(1) << GIC_VPE_PEND_PERFCOUNT_SHF) -#define GIC_VPE_PEND_SWINT0_SHF 4 -#define GIC_VPE_PEND_SWINT0_MSK (MSK(1) << GIC_VPE_PEND_SWINT0_SHF) -#define GIC_VPE_PEND_SWINT1_SHF 5 -#define GIC_VPE_PEND_SWINT1_MSK (MSK(1) << GIC_VPE_PEND_SWINT1_SHF) -#define GIC_VPE_PEND_FDC_SHF 6 -#define GIC_VPE_PEND_FDC_MSK (MSK(1) << GIC_VPE_PEND_FDC_SHF) - -/* GIC_VPE_RMASK Masks */ -#define GIC_VPE_RMASK_WD_SHF 0 -#define GIC_VPE_RMASK_WD_MSK (MSK(1) << GIC_VPE_RMASK_WD_SHF) -#define GIC_VPE_RMASK_CMP_SHF 1 -#define GIC_VPE_RMASK_CMP_MSK (MSK(1) << GIC_VPE_RMASK_CMP_SHF) -#define GIC_VPE_RMASK_TIMER_SHF 2 -#define GIC_VPE_RMASK_TIMER_MSK (MSK(1) << GIC_VPE_RMASK_TIMER_SHF) -#define GIC_VPE_RMASK_PERFCNT_SHF 3 -#define GIC_VPE_RMASK_PERFCNT_MSK (MSK(1) << GIC_VPE_RMASK_PERFCNT_SHF) -#define GIC_VPE_RMASK_SWINT0_SHF 4 -#define GIC_VPE_RMASK_SWINT0_MSK (MSK(1) << GIC_VPE_RMASK_SWINT0_SHF) -#define GIC_VPE_RMASK_SWINT1_SHF 5 -#define GIC_VPE_RMASK_SWINT1_MSK (MSK(1) << GIC_VPE_RMASK_SWINT1_SHF) -#define GIC_VPE_RMASK_FDC_SHF 6 -#define GIC_VPE_RMASK_FDC_MSK (MSK(1) << GIC_VPE_RMASK_FDC_SHF) - -/* GIC_VPE_SMASK Masks */ -#define GIC_VPE_SMASK_WD_SHF 0 -#define GIC_VPE_SMASK_WD_MSK (MSK(1) << GIC_VPE_SMASK_WD_SHF) -#define GIC_VPE_SMASK_CMP_SHF 1 -#define GIC_VPE_SMASK_CMP_MSK (MSK(1) << GIC_VPE_SMASK_CMP_SHF) -#define GIC_VPE_SMASK_TIMER_SHF 2 -#define GIC_VPE_SMASK_TIMER_MSK (MSK(1) << GIC_VPE_SMASK_TIMER_SHF) -#define GIC_VPE_SMASK_PERFCNT_SHF 3 -#define GIC_VPE_SMASK_PERFCNT_MSK (MSK(1) << GIC_VPE_SMASK_PERFCNT_SHF) -#define GIC_VPE_SMASK_SWINT0_SHF 4 -#define GIC_VPE_SMASK_SWINT0_MSK (MSK(1) << GIC_VPE_SMASK_SWINT0_SHF) -#define GIC_VPE_SMASK_SWINT1_SHF 5 -#define GIC_VPE_SMASK_SWINT1_MSK (MSK(1) << GIC_VPE_SMASK_SWINT1_SHF) -#define GIC_VPE_SMASK_FDC_SHF 6 -#define GIC_VPE_SMASK_FDC_MSK (MSK(1) << GIC_VPE_SMASK_FDC_SHF) - -/* GIC_VP_IDENT fields */ -#define GIC_VP_IDENT_VCNUM_SHF 0 -#define GIC_VP_IDENT_VCNUM_MSK (MSK(6) << GIC_VP_IDENT_VCNUM_SHF) - -/* GIC nomenclature for Core Interrupt Pins. */ -#define GIC_CPU_INT0 0 /* Core Interrupt 2 */ -#define GIC_CPU_INT1 1 /* . */ -#define GIC_CPU_INT2 2 /* . */ -#define GIC_CPU_INT3 3 /* . */ -#define GIC_CPU_INT4 4 /* . */ -#define GIC_CPU_INT5 5 /* Core Interrupt 7 */ - -/* Add 2 to convert GIC CPU pin to core interrupt */ -#define GIC_CPU_PIN_OFFSET 2 - -/* Add 2 to convert non-EIC hardware interrupt to EIC vector number. */ -#define GIC_CPU_TO_VEC_OFFSET 2 - -/* Mapped interrupt to pin X, then GIC will generate the vector (X+1). */ -#define GIC_PIN_TO_VEC_OFFSET 1 - -/* Local GIC interrupts. */ -#define GIC_LOCAL_INT_WD 0 /* GIC watchdog */ -#define GIC_LOCAL_INT_COMPARE 1 /* GIC count and compare timer */ -#define GIC_LOCAL_INT_TIMER 2 /* CPU timer interrupt */ -#define GIC_LOCAL_INT_PERFCTR 3 /* CPU performance counter */ -#define GIC_LOCAL_INT_SWINT0 4 /* CPU software interrupt 0 */ -#define GIC_LOCAL_INT_SWINT1 5 /* CPU software interrupt 1 */ -#define GIC_LOCAL_INT_FDC 6 /* CPU fast debug channel */ -#define GIC_NUM_LOCAL_INTRS 7 - -/* Convert between local/shared IRQ number and GIC HW IRQ number. */ -#define GIC_LOCAL_HWIRQ_BASE 0 -#define GIC_LOCAL_TO_HWIRQ(x) (GIC_LOCAL_HWIRQ_BASE + (x)) -#define GIC_HWIRQ_TO_LOCAL(x) ((x) - GIC_LOCAL_HWIRQ_BASE) -#define GIC_SHARED_HWIRQ_BASE GIC_NUM_LOCAL_INTRS -#define GIC_SHARED_TO_HWIRQ(x) (GIC_SHARED_HWIRQ_BASE + (x)) -#define GIC_HWIRQ_TO_SHARED(x) ((x) - GIC_SHARED_HWIRQ_BASE) - -#ifdef CONFIG_MIPS_GIC - -extern unsigned int gic_present; - -extern void gic_init(unsigned long gic_base_addr, - unsigned long gic_addrspace_size, unsigned int cpu_vec, - unsigned int irqbase); -extern u64 gic_read_count(void); -extern unsigned int gic_get_count_width(void); -extern u64 gic_read_compare(void); -extern void gic_write_compare(u64 cnt); -extern void gic_write_cpu_compare(u64 cnt, int cpu); -extern void gic_start_count(void); -extern void gic_stop_count(void); -extern int gic_get_c0_compare_int(void); -extern int gic_get_c0_perfcount_int(void); -extern int gic_get_c0_fdc_int(void); -extern int gic_get_usm_range(struct resource *gic_usm_res); - -#else /* CONFIG_MIPS_GIC */ - -#define gic_present 0 - -static inline int gic_get_usm_range(struct resource *gic_usm_res) -{ - /* Shouldn't be called. */ - return -1; -} - -#endif /* CONFIG_MIPS_GIC */ - -/** - * gic_read_local_vp_id() - read the local VPs VCNUM - * - * Read the VCNUM of the local VP from the GIC_VP_IDENT register and - * return it to the caller. This ID should be used to refer to the VP - * via the GICs VP-other region, or when calculating an offset to a - * bit representing the VP in interrupt masks. - * - * Return: The VCNUM value for the local VP. - */ -extern unsigned gic_read_local_vp_id(void); - -#endif /* __LINUX_IRQCHIP_MIPS_GIC_H */ |