[v2,3/4] LoongArch: Extract IOCSR definitions to standalone header

Message ID	20240912-iocsr-v2-3-e88f75b37da4@flygoat.com (mailing list archive)
State	Superseded, archived
Headers	show Received: from fhigh4-smtp.messagingengine.com (fhigh4-smtp.messagingengine.com [103.168.172.155]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C2D361C245D; Thu, 12 Sep 2024 20:56:28 +0000 (UTC) Feedback-ID: ifd894703:Fastmail From: Jiaxun Yang <jiaxun.yang@flygoat.com> Date: Thu, 12 Sep 2024 21:55:56 +0100 Subject: [PATCH v2 3/4] LoongArch: Extract IOCSR definitions to standalone header Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240912-iocsr-v2-3-e88f75b37da4@flygoat.com> References: <20240912-iocsr-v2-0-e88f75b37da4@flygoat.com> In-Reply-To: <20240912-iocsr-v2-0-e88f75b37da4@flygoat.com> To: Huacai Chen <chenhuacai@kernel.org>, WANG Xuerui <kernel@xen0n.name>, "Rafael J. Wysocki" <rafael@kernel.org>, Viresh Kumar <viresh.kumar@linaro.org>, Thomas Gleixner <tglx@linutronix.de>, Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-mips@vger.kernel.org, kvm@vger.kernel.org, Jiaxun Yang <jiaxun.yang@flygoat.com>
Series	LoongArch, MIPS: Unify Loongson IOCSR handling \| expand [v2,0/4] LoongArch, MIPS: Unify Loongson IOCSR handling [v2,1/4] LoongArch: Probe more CPU features from CPUCFG [v2,2/4] LoongArch: cpu-probe: Move IOCSR probing out of cpu_probe_common [v2,3/4] LoongArch: Extract IOCSR definitions to standalone header [v2,4/4] MIPS: Loongson64: Use shared IOCSR header

diff --git a/MAINTAINERS b/MAINTAINERS index 0a3d9e17295a..f0f4c427e9a3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13305,6 +13305,7 @@ F: Documentation/translations/zh_CN/arch/loongarch/ F: arch/loongarch/ F: drivers/*/*loongarch* F: drivers/cpufreq/loongson3_cpufreq.c +F: include/linux/loongson LOONGSON GPIO DRIVER M: Yinbo Zhu <zhuyinbo@loongson.cn> diff --git a/arch/loongarch/include/asm/loongarch.h b/arch/loongarch/include/asm/loongarch.h index 23af28f00c3c..4ac228230720 100644 --- a/arch/loongarch/include/asm/loongarch.h +++ b/arch/loongarch/include/asm/loongarch.h @@ -1048,84 +1048,6 @@ #define ESTATF_IP 0x00003fff -#define LOONGARCH_IOCSR_FEATURES 0x8 -#define IOCSRF_TEMP BIT_ULL(0) -#define IOCSRF_NODECNT BIT_ULL(1) -#define IOCSRF_MSI BIT_ULL(2) -#define IOCSRF_EXTIOI BIT_ULL(3) -#define IOCSRF_CSRIPI BIT_ULL(4) -#define IOCSRF_FREQCSR BIT_ULL(5) -#define IOCSRF_FREQSCALE BIT_ULL(6) -#define IOCSRF_DVFSV1 BIT_ULL(7) -#define IOCSRF_EIODECODE BIT_ULL(9) -#define IOCSRF_FLATMODE BIT_ULL(10) -#define IOCSRF_VM BIT_ULL(11) -#define IOCSRF_AVEC BIT_ULL(15) - -#define LOONGARCH_IOCSR_VENDOR 0x10 - -#define LOONGARCH_IOCSR_CPUNAME 0x20 - -#define LOONGARCH_IOCSR_NODECNT 0x408 - -#define LOONGARCH_IOCSR_MISC_FUNC 0x420 -#define IOCSR_MISC_FUNC_SOFT_INT BIT_ULL(10) -#define IOCSR_MISC_FUNC_TIMER_RESET BIT_ULL(21) -#define IOCSR_MISC_FUNC_EXT_IOI_EN BIT_ULL(48) -#define IOCSR_MISC_FUNC_AVEC_EN BIT_ULL(51) - -#define LOONGARCH_IOCSR_CPUTEMP 0x428 - -#define LOONGARCH_IOCSR_SMCMBX 0x51c - -/* PerCore CSR, only accessible by local cores */ -#define LOONGARCH_IOCSR_IPI_STATUS 0x1000 -#define LOONGARCH_IOCSR_IPI_EN 0x1004 -#define LOONGARCH_IOCSR_IPI_SET 0x1008 -#define LOONGARCH_IOCSR_IPI_CLEAR 0x100c -#define LOONGARCH_IOCSR_MBUF0 0x1020 -#define LOONGARCH_IOCSR_MBUF1 0x1028 -#define LOONGARCH_IOCSR_MBUF2 0x1030 -#define LOONGARCH_IOCSR_MBUF3 0x1038 - -#define LOONGARCH_IOCSR_IPI_SEND 0x1040 -#define IOCSR_IPI_SEND_IP_SHIFT 0 -#define IOCSR_IPI_SEND_CPU_SHIFT 16 -#define IOCSR_IPI_SEND_BLOCKING BIT(31) - -#define LOONGARCH_IOCSR_MBUF_SEND 0x1048 -#define IOCSR_MBUF_SEND_BLOCKING BIT_ULL(31) -#define IOCSR_MBUF_SEND_BOX_SHIFT 2 -#define IOCSR_MBUF_SEND_BOX_LO(box) (box << 1) -#define IOCSR_MBUF_SEND_BOX_HI(box) ((box << 1) + 1) -#define IOCSR_MBUF_SEND_CPU_SHIFT 16 -#define IOCSR_MBUF_SEND_BUF_SHIFT 32 -#define IOCSR_MBUF_SEND_H32_MASK 0xFFFFFFFF00000000ULL - -#define LOONGARCH_IOCSR_ANY_SEND 0x1158 -#define IOCSR_ANY_SEND_BLOCKING BIT_ULL(31) -#define IOCSR_ANY_SEND_CPU_SHIFT 16 -#define IOCSR_ANY_SEND_MASK_SHIFT 27 -#define IOCSR_ANY_SEND_BUF_SHIFT 32 -#define IOCSR_ANY_SEND_H32_MASK 0xFFFFFFFF00000000ULL - -/* Register offset and bit definition for CSR access */ -#define LOONGARCH_IOCSR_TIMER_CFG 0x1060 -#define LOONGARCH_IOCSR_TIMER_TICK 0x1070 -#define IOCSR_TIMER_CFG_RESERVED (_ULCAST_(1) << 63) -#define IOCSR_TIMER_CFG_PERIODIC (_ULCAST_(1) << 62) -#define IOCSR_TIMER_CFG_EN (_ULCAST_(1) << 61) -#define IOCSR_TIMER_MASK 0x0ffffffffffffULL -#define IOCSR_TIMER_INITVAL_RST (_ULCAST_(0xffff) << 48) - -#define LOONGARCH_IOCSR_EXTIOI_NODEMAP_BASE 0x14a0 -#define LOONGARCH_IOCSR_EXTIOI_IPMAP_BASE 0x14c0 -#define LOONGARCH_IOCSR_EXTIOI_EN_BASE 0x1600 -#define LOONGARCH_IOCSR_EXTIOI_BOUNCE_BASE 0x1680 -#define LOONGARCH_IOCSR_EXTIOI_ISR_BASE 0x1800 -#define LOONGARCH_IOCSR_EXTIOI_ROUTE_BASE 0x1c00 -#define IOCSR_EXTIOI_VECTOR_NUM 256 - #ifndef __ASSEMBLY__ static __always_inline u64 drdtime(void) @@ -1145,18 +1067,6 @@ static inline unsigned int get_csr_cpuid(void) return csr_read32(LOONGARCH_CSR_CPUID); } -static inline void csr_any_send(unsigned int addr, unsigned int data, - unsigned int data_mask, unsigned int cpu) -{ - uint64_t val = 0; - - val = IOCSR_ANY_SEND_BLOCKING | addr; - val |= (cpu << IOCSR_ANY_SEND_CPU_SHIFT); - val |= (data_mask << IOCSR_ANY_SEND_MASK_SHIFT); - val |= ((uint64_t)data << IOCSR_ANY_SEND_BUF_SHIFT); - iocsr_write64(val, LOONGARCH_IOCSR_ANY_SEND); -} - static inline unsigned int read_csr_excode(void) { return (csr_read32(LOONGARCH_CSR_ESTAT) & CSR_ESTAT_EXC) >> CSR_ESTAT_EXC_SHIFT; diff --git a/arch/loongarch/kernel/cpu-probe.c b/arch/loongarch/kernel/cpu-probe.c index d1a9bb77145f..ecf2b2d2fae5 100644 --- a/arch/loongarch/kernel/cpu-probe.c +++ b/arch/loongarch/kernel/cpu-probe.c @@ -6,6 +6,7 @@ */ #include <linux/init.h> #include <linux/kernel.h> +#include <linux/loongson/iocsr.h> #include <linux/ptrace.h> #include <linux/smp.h> #include <linux/stddef.h> @@ -273,13 +274,13 @@ static inline void cpu_probe_loongson(struct cpuinfo_loongarch *c, unsigned int if (c->options & LOONGARCH_CPU_IOCSR) return; - *vendor = iocsr_read64(LOONGARCH_IOCSR_VENDOR); - *cpuname = iocsr_read64(LOONGARCH_IOCSR_CPUNAME); + *vendor = iocsr_read64(LOONGSON_IOCSR_VENDOR); + *cpuname = iocsr_read64(LOONGSON_IOCSR_CPUNAME); if (!__cpu_full_name[cpu]) __cpu_full_name[cpu] = cpu_full_name; - config = iocsr_read32(LOONGARCH_IOCSR_FEATURES); + config = iocsr_read32(LOONGSON_IOCSR_FEATURES); if (config & IOCSRF_CSRIPI) c->options |= LOONGARCH_CPU_CSRIPI; if (config & IOCSRF_EXTIOI) diff --git a/arch/loongarch/kernel/relocate_kernel.S b/arch/loongarch/kernel/relocate_kernel.S index 84e6de2fd973..ce40ba6b5975 100644 --- a/arch/loongarch/kernel/relocate_kernel.S +++ b/arch/loongarch/kernel/relocate_kernel.S @@ -5,6 +5,7 @@ * Copyright (C) 2022 Loongson Technology Corporation Limited */ +#include <linux/loongson/iocsr.h> #include <linux/kexec.h> #include <asm/asm.h> @@ -88,14 +89,14 @@ SYM_CODE_END(relocate_new_kernel) #ifdef CONFIG_SMP /* * Other CPUs should wait until code is relocated and - * then start at the entry point from LOONGARCH_IOCSR_MBUF0. + * then start at the entry point from LOONGSON_IOCSR_MBUF0. */ SYM_CODE_START(kexec_smp_wait) UNWIND_HINT_UNDEFINED 1: li.w t0, 0x100 /* wait for init loop */ 2: addi.w t0, t0, -1 /* limit mailbox access */ bnez t0, 2b - li.w t1, LOONGARCH_IOCSR_MBUF0 + li.w t1, LOONGSON_IOCSR_MBUF0 iocsrrd.w s0, t1 /* check PC as an indicator */ beqz s0, 1b iocsrrd.d s0, t1 /* get PC via mailbox */ diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c index 4adbbef3450a..120865985376 100644 --- a/arch/loongarch/kernel/smp.c +++ b/arch/loongarch/kernel/smp.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq_work.h> +#include <linux/loongson/iocsr.h> #include <linux/profile.h> #include <linux/seq_file.h> #include <linux/smp.h> @@ -164,14 +165,14 @@ static void csr_mail_send(uint64_t data, int cpu, int mailbox) val |= (IOCSR_MBUF_SEND_BOX_HI(mailbox) << IOCSR_MBUF_SEND_BOX_SHIFT); val |= (cpu << IOCSR_MBUF_SEND_CPU_SHIFT); val |= (data & IOCSR_MBUF_SEND_H32_MASK); - iocsr_write64(val, LOONGARCH_IOCSR_MBUF_SEND); + iocsr_write64(val, LOONGSON_IOCSR_MBUF_SEND); /* Send low 32 bits */ val = IOCSR_MBUF_SEND_BLOCKING; val |= (IOCSR_MBUF_SEND_BOX_LO(mailbox) << IOCSR_MBUF_SEND_BOX_SHIFT); val |= (cpu << IOCSR_MBUF_SEND_CPU_SHIFT); val |= (data << IOCSR_MBUF_SEND_BUF_SHIFT); - iocsr_write64(val, LOONGARCH_IOCSR_MBUF_SEND); + iocsr_write64(val, LOONGSON_IOCSR_MBUF_SEND); }; static u32 ipi_read_clear(int cpu) @@ -179,9 +180,9 @@ static u32 ipi_read_clear(int cpu) u32 action; /* Load the ipi register to figure out what we're supposed to do */ - action = iocsr_read32(LOONGARCH_IOCSR_IPI_STATUS); + action = iocsr_read32(LOONGSON_IOCSR_IPI_STATUS); /* Clear the ipi register to clear the interrupt */ - iocsr_write32(action, LOONGARCH_IOCSR_IPI_CLEAR); + iocsr_write32(action, LOONGSON_IOCSR_IPI_CLEAR); wbflush(); return action; @@ -193,7 +194,7 @@ static void ipi_write_action(int cpu, u32 action) val = IOCSR_IPI_SEND_BLOCKING | action; val |= (cpu << IOCSR_IPI_SEND_CPU_SHIFT); - iocsr_write32(val, LOONGARCH_IOCSR_IPI_SEND); + iocsr_write32(val, LOONGSON_IOCSR_IPI_SEND); } static void loongson_send_ipi_single(int cpu, unsigned int action) @@ -322,7 +323,7 @@ void __init loongson_smp_setup(void) cpu_data[0].package = cpu_logical_map(0) / loongson_sysconf.cores_per_package; pv_ipi_init(); - iocsr_write32(0xffffffff, LOONGARCH_IOCSR_IPI_EN); + iocsr_write32(0xffffffff, LOONGSON_IOCSR_IPI_EN); pr_info("Detected %i available CPU(s)\n", loongson_sysconf.nr_cpus); } @@ -370,7 +371,7 @@ void loongson_init_secondary(void) change_csr_ecfg(ECFG0_IM, imask); - iocsr_write32(0xffffffff, LOONGARCH_IOCSR_IPI_EN); + iocsr_write32(0xffffffff, LOONGSON_IOCSR_IPI_EN); #ifdef CONFIG_NUMA numa_add_cpu(cpu); @@ -385,7 +386,7 @@ void loongson_init_secondary(void) void loongson_smp_finish(void) { local_irq_enable(); - iocsr_write64(0, LOONGARCH_IOCSR_MBUF0); + iocsr_write64(0, LOONGSON_IOCSR_MBUF0); pr_info("CPU#%d finished\n", smp_processor_id()); } @@ -435,12 +436,12 @@ void __noreturn arch_cpu_idle_dead(void) __smp_mb(); do { __asm__ __volatile__("idle 0\n\t"); - addr = iocsr_read64(LOONGARCH_IOCSR_MBUF0); + addr = iocsr_read64(LOONGSON_IOCSR_MBUF0); } while (addr == 0); local_irq_disable(); init_fn = (void *)TO_CACHE(addr); - iocsr_write32(0xffffffff, LOONGARCH_IOCSR_IPI_CLEAR); + iocsr_write32(0xffffffff, LOONGSON_IOCSR_IPI_CLEAR); init_fn(); BUG(); @@ -460,7 +461,7 @@ static int loongson_ipi_suspend(void) static void loongson_ipi_resume(void) { - iocsr_write32(0xffffffff, LOONGARCH_IOCSR_IPI_EN); + iocsr_write32(0xffffffff, LOONGSON_IOCSR_IPI_EN); } static struct syscore_ops loongson_ipi_syscore_ops = { diff --git a/drivers/cpufreq/loongson3_cpufreq.c b/drivers/cpufreq/loongson3_cpufreq.c index 6b5e6798d9a2..11d5f1ba3040 100644 --- a/drivers/cpufreq/loongson3_cpufreq.c +++ b/drivers/cpufreq/loongson3_cpufreq.c @@ -10,6 +10,7 @@ #include <linux/cpufreq.h> #include <linux/delay.h> #include <linux/module.h> +#include <linux/loongson/iocsr.h> #include <linux/platform_device.h> #include <linux/units.h> @@ -182,7 +183,7 @@ static inline int do_service_request(u32 id, u32 info, u32 cmd, u32 val, u32 ext mutex_lock(&cpufreq_mutex[package]); - last.value = iocsr_read32(LOONGARCH_IOCSR_SMCMBX); + last.value = iocsr_read32(LOONGSON_IOCSR_SMCMBX); if (!last.complete) { mutex_unlock(&cpufreq_mutex[package]); return -EPERM; @@ -195,12 +196,12 @@ static inline int do_service_request(u32 id, u32 info, u32 cmd, u32 val, u32 ext msg.extra = extra; msg.complete = 0; - iocsr_write32(msg.value, LOONGARCH_IOCSR_SMCMBX); - iocsr_write32(iocsr_read32(LOONGARCH_IOCSR_MISC_FUNC) | IOCSR_MISC_FUNC_SOFT_INT, - LOONGARCH_IOCSR_MISC_FUNC); + iocsr_write32(msg.value, LOONGSON_IOCSR_SMCMBX); + iocsr_write32(iocsr_read32(LOONGSON_IOCSR_MISC_FUNC) | IOCSR_MISC_FUNC_SOFT_INT, + LOONGSON_IOCSR_MISC_FUNC); for (retries = 0; retries < 10000; retries++) { - msg.value = iocsr_read32(LOONGARCH_IOCSR_SMCMBX); + msg.value = iocsr_read32(LOONGSON_IOCSR_SMCMBX); if (msg.complete) break; diff --git a/drivers/irqchip/irq-loongarch-avec.c b/drivers/irqchip/irq-loongarch-avec.c index 0f6e465dd309..2452c6cc0aa1 100644 --- a/drivers/irqchip/irq-loongarch-avec.c +++ b/drivers/irqchip/irq-loongarch-avec.c @@ -10,6 +10,7 @@ #include <linux/irqchip.h> #include <linux/irqchip/chained_irq.h> #include <linux/irqdomain.h> +#include <linux/loongson/iocsr.h> #include <linux/kernel.h> #include <linux/msi.h> #include <linux/radix-tree.h> @@ -378,9 +379,9 @@ static int __init avecintc_init(struct irq_domain *parent) "irqchip/loongarch/avecintc:starting", avecintc_cpu_online, avecintc_cpu_offline); #endif - value = iocsr_read64(LOONGARCH_IOCSR_MISC_FUNC); + value = iocsr_read64(LOONGSON_IOCSR_MISC_FUNC); value |= IOCSR_MISC_FUNC_AVEC_EN; - iocsr_write64(value, LOONGARCH_IOCSR_MISC_FUNC); + iocsr_write64(value, LOONGSON_IOCSR_MISC_FUNC); return ret; diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c index e24db71a8783..6e81bf27914f 100644 --- a/drivers/irqchip/irq-loongson-eiointc.c +++ b/drivers/irqchip/irq-loongson-eiointc.c @@ -13,6 +13,7 @@ #include <linux/irqchip.h> #include <linux/irqdomain.h> #include <linux/irqchip/chained_irq.h> +#include <linux/loongson/iocsr.h> #include <linux/kernel.h> #include <linux/syscore_ops.h> #include <asm/numa.h> @@ -52,9 +53,9 @@ static void eiointc_enable(void) { uint64_t misc; - misc = iocsr_read64(LOONGARCH_IOCSR_MISC_FUNC); + misc = iocsr_read64(LOONGSON_IOCSR_MISC_FUNC); misc |= IOCSR_MISC_FUNC_EXT_IOI_EN; - iocsr_write64(misc, LOONGARCH_IOCSR_MISC_FUNC); + iocsr_write64(misc, LOONGSON_IOCSR_MISC_FUNC); } static int cpu_to_eio_node(int cpu) diff --git a/include/linux/loongson/iocsr.h b/include/linux/loongson/iocsr.h new file mode 100644 index 000000000000..6654a904bcbe --- /dev/null +++ b/include/linux/loongson/iocsr.h @@ -0,0 +1,110 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited + * Copyright (C) 2024, Jiaxun Yang <jiaxun.yang@flygoat.com> + */ + +#ifndef _LOONGSON_IOCSR_H +#define _LOONGSON_IOCSR_H + +#include <linux/bits.h> +#include <linux/types.h> + +#ifdef CONFIG_LOONGARCH +#include <asm/loongarch.h> +#endif + +#define LOONGSON_IOCSR_FEATURES 0x8 +#define IOCSRF_TEMP BIT_ULL(0) +#define IOCSRF_NODECNT BIT_ULL(1) +#define IOCSRF_MSI BIT_ULL(2) +#define IOCSRF_EXTIOI BIT_ULL(3) +#define IOCSRF_CSRIPI BIT_ULL(4) +#define IOCSRF_FREQCSR BIT_ULL(5) +#define IOCSRF_FREQSCALE BIT_ULL(6) +#define IOCSRF_DVFSV1 BIT_ULL(7) +#define IOCSRF_EIODECODE BIT_ULL(9) +#define IOCSRF_FLATMODE BIT_ULL(10) +#define IOCSRF_VM BIT_ULL(11) +#define IOCSRF_AVEC BIT_ULL(15) + +#define LOONGSON_IOCSR_VENDOR 0x10 + +#define LOONGSON_IOCSR_CPUNAME 0x20 + +#define LOONGSON_IOCSR_NODECNT 0x408 + +#define LOONGSON_IOCSR_MISC_FUNC 0x420 +#define IOCSR_MISC_FUNC_SOFT_INT BIT_ULL(10) +#define IOCSR_MISC_FUNC_TIMER_RESET BIT_ULL(21) +#define IOCSR_MISC_FUNC_EXT_IOI_EN BIT_ULL(48) +#define IOCSR_MISC_FUNC_AVEC_EN BIT_ULL(51) + +#define LOONGSON_IOCSR_CPUTEMP 0x428 + +#define LOONGSON_IOCSR_SMCMBX 0x51c + +/* PerCore CSR, only accessible by local cores */ +#define LOONGSON_IOCSR_IPI_STATUS 0x1000 +#define LOONGSON_IOCSR_IPI_EN 0x1004 +#define LOONGSON_IOCSR_IPI_SET 0x1008 +#define LOONGSON_IOCSR_IPI_CLEAR 0x100c +#define LOONGSON_IOCSR_MBUF0 0x1020 +#define LOONGSON_IOCSR_MBUF1 0x1028 +#define LOONGSON_IOCSR_MBUF2 0x1030 +#define LOONGSON_IOCSR_MBUF3 0x1038 + +#define LOONGSON_IOCSR_IPI_SEND 0x1040 +#define IOCSR_IPI_SEND_IP_SHIFT 0 +#define IOCSR_IPI_SEND_CPU_SHIFT 16 +#define IOCSR_IPI_SEND_BLOCKING BIT(31) + +#define LOONGSON_IOCSR_MBUF_SEND 0x1048 +#define IOCSR_MBUF_SEND_BLOCKING BIT_ULL(31) +#define IOCSR_MBUF_SEND_BOX_SHIFT 2 +#define IOCSR_MBUF_SEND_BOX_LO(box) (box << 1) +#define IOCSR_MBUF_SEND_BOX_HI(box) ((box << 1) + 1) +#define IOCSR_MBUF_SEND_CPU_SHIFT 16 +#define IOCSR_MBUF_SEND_BUF_SHIFT 32 +#define IOCSR_MBUF_SEND_H32_MASK 0xFFFFFFFF00000000ULL + +#define LOONGSON_IOCSR_ANY_SEND 0x1158 +#define IOCSR_ANY_SEND_BLOCKING BIT_ULL(31) +#define IOCSR_ANY_SEND_CPU_SHIFT 16 +#define IOCSR_ANY_SEND_MASK_SHIFT 27 +#define IOCSR_ANY_SEND_BUF_SHIFT 32 +#define IOCSR_ANY_SEND_H32_MASK 0xFFFFFFFF00000000ULL + +/* Register offset and bit definition for CSR access */ +#define LOONGSON_IOCSR_TIMER_CFG 0x1060 +#define LOONGSON_IOCSR_TIMER_TICK 0x1070 +#define IOCSR_TIMER_CFG_RESERVED (_ULCAST_(1) << 63) +#define IOCSR_TIMER_CFG_PERIODIC (_ULCAST_(1) << 62) +#define IOCSR_TIMER_CFG_EN (_ULCAST_(1) << 61) +#define IOCSR_TIMER_MASK 0x0ffffffffffffULL +#define IOCSR_TIMER_INITVAL_RST (_ULCAST_(0xffff) << 48) + +#define LOONGSON_IOCSR_EXTIOI_NODEMAP_BASE 0x14a0 +#define LOONGSON_IOCSR_EXTIOI_IPMAP_BASE 0x14c0 +#define LOONGSON_IOCSR_EXTIOI_EN_BASE 0x1600 +#define LOONGSON_IOCSR_EXTIOI_BOUNCE_BASE 0x1680 +#define LOONGSON_IOCSR_EXTIOI_ISR_BASE 0x1800 +#define LOONGSON_IOCSR_EXTIOI_ROUTE_BASE 0x1c00 +#define IOCSR_EXTIOI_VECTOR_NUM 256 + +#ifndef __ASSEMBLY__ +static inline void csr_any_send(unsigned int addr, unsigned int data, + unsigned int data_mask, unsigned int cpu) +{ + uint64_t val = 0; + + val = IOCSR_ANY_SEND_BLOCKING | addr; + val |= (cpu << IOCSR_ANY_SEND_CPU_SHIFT); + val |= (data_mask << IOCSR_ANY_SEND_MASK_SHIFT); + val |= ((uint64_t)data << IOCSR_ANY_SEND_BUF_SHIFT); + iocsr_write64(val, LOONGSON_IOCSR_ANY_SEND); +} +#endif + +#endif +

[v2,3/4] LoongArch: Extract IOCSR definitions to standalone header

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