From patchwork Sat Oct 10 23:47:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 11830611 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C22FC14D5 for ; Sat, 10 Oct 2020 23:48:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B08782078D for ; Sat, 10 Oct 2020 23:48:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729503AbgJJXsJ (ORCPT ); Sat, 10 Oct 2020 19:48:09 -0400 Received: from mail.loongson.cn ([114.242.206.163]:36524 "EHLO loongson.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726989AbgJJXsD (ORCPT ); Sat, 10 Oct 2020 19:48:03 -0400 Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9DxGMQrSIJfLfobAA--.13680S5; Sun, 11 Oct 2020 07:47:56 +0800 (CST) From: Tiezhu Yang To: Thomas Bogendoerfer , Jonathan Corbet , Huacai Chen , Jiaxun Yang Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Xuefeng Li Subject: [PATCH v2 3/4 RESEND] MIPS: Loongson64: Add /proc/boardinfo Date: Sun, 11 Oct 2020 07:47:53 +0800 Message-Id: <1602373674-4579-4-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1602373674-4579-1-git-send-email-yangtiezhu@loongson.cn> References: <1602373674-4579-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9DxGMQrSIJfLfobAA--.13680S5 X-Coremail-Antispam: 1UD129KBjvJXoW3Ar4Dur4fWry7Zw4xAw4UCFg_yoW7GF15pa y3A3WrGw4Ygr17Cr95WrWUurWfAa95KrsFyFW29r15Kr90g34Iqrs3C3W8ArsFkr1UG3WU XFWrKF48CFy8u3DanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBI14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JrWl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l84 ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r106r15McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv r2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVAFwVWfMxAIw28Icx kI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2Iq xVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42 IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY 6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aV CY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUjTq2tUUUUU== X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Add /proc/boardinfo to get mainboard and BIOS info easily on the Loongson platform, this is useful to point out the current used mainboard type and BIOS version when there exists problems related with hardware or firmware. E.g. with this patch: [loongson@linux ~]$ cat /proc/boardinfo Board Info Manufacturer : LEMOTE Board Name : LEMOTE-LS3A4000-7A1000-1w-V01-pc Family : LOONGSON3 BIOS Info Vendor : Kunlun Version : Kunlun-A1901-V4.1.3-20200414093938 ROM Size : 4 KB Release Date : 2020-04-14 Signed-off-by: Tiezhu Yang --- v2: no changes arch/mips/include/asm/mach-loongson64/boot_param.h | 4 +++ arch/mips/loongson64/Makefile | 2 +- arch/mips/loongson64/boardinfo.c | 40 ++++++++++++++++++++++ arch/mips/loongson64/env.c | 10 ++++++ 4 files changed, 55 insertions(+), 1 deletion(-) create mode 100644 arch/mips/loongson64/boardinfo.c diff --git a/arch/mips/include/asm/mach-loongson64/boot_param.h b/arch/mips/include/asm/mach-loongson64/boot_param.h index afc92b7..4592841 100644 --- a/arch/mips/include/asm/mach-loongson64/boot_param.h +++ b/arch/mips/include/asm/mach-loongson64/boot_param.h @@ -228,6 +228,10 @@ struct loongson_system_configuration { extern struct efi_memory_map_loongson *loongson_memmap; extern struct loongson_system_configuration loongson_sysconf; +extern struct board_devices *eboard; +extern struct interface_info *einter; +extern struct loongson_special_attribute *especial; + extern u32 node_id_offset; extern void ls7a_early_config(void); extern void rs780e_early_config(void); diff --git a/arch/mips/loongson64/Makefile b/arch/mips/loongson64/Makefile index 39c06f5..bc77b5a 100644 --- a/arch/mips/loongson64/Makefile +++ b/arch/mips/loongson64/Makefile @@ -3,7 +3,7 @@ # Makefile for Loongson-3 family machines # obj-$(CONFIG_MACH_LOONGSON64) += cop2-ex.o platform.o dma.o \ - setup.o init.o env.o time.o reset.o \ + setup.o init.o env.o time.o reset.o boardinfo.o\ obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_NUMA) += numa.o diff --git a/arch/mips/loongson64/boardinfo.c b/arch/mips/loongson64/boardinfo.c new file mode 100644 index 0000000..2e8086b --- /dev/null +++ b/arch/mips/loongson64/boardinfo.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include +#include +#include +#include +#include + +static int loongson_boardinfo_proc_show(struct seq_file *m, void *v) +{ + char board_manufacturer[64] = {0}; + char *tmp_board_manufacturer = board_manufacturer; + char bios_vendor[64] = {0}; + char *tmp_bios_vendor = bios_vendor; + + strcpy(board_manufacturer, eboard->name); + strcpy(bios_vendor, einter->description); + + seq_puts(m, "Board Info\n"); + seq_printf(m, "Manufacturer\t\t: %s\n", strsep(&tmp_board_manufacturer, "-")); + seq_printf(m, "Board Name\t\t: %s\n", eboard->name); + seq_puts(m, "Family\t\t\t: LOONGSON3\n"); + seq_puts(m, "\n"); + + seq_puts(m, "BIOS Info\n"); + seq_printf(m, "Vendor\t\t\t: %s\n", strsep(&tmp_bios_vendor, "-")); + seq_printf(m, "Version\t\t\t: %s\n", einter->description); + seq_printf(m, "ROM Size\t\t: %d KB\n", einter->size); + seq_printf(m, "Release Date\t\t: %s\n", especial->special_name); + + return 0; +} + +static int __init proc_boardinfo_init(void) +{ + proc_create_single("boardinfo", 0, NULL, loongson_boardinfo_proc_show); + return 0; +} + +module_init(proc_boardinfo_init); diff --git a/arch/mips/loongson64/env.c b/arch/mips/loongson64/env.c index 134cb8e..51a5d05 100644 --- a/arch/mips/loongson64/env.c +++ b/arch/mips/loongson64/env.c @@ -28,6 +28,10 @@ EXPORT_SYMBOL(cpu_clock_freq); struct efi_memory_map_loongson *loongson_memmap; struct loongson_system_configuration loongson_sysconf; +struct board_devices *eboard; +struct interface_info *einter; +struct loongson_special_attribute *especial; + u64 loongson_chipcfg[MAX_PACKAGES] = {0xffffffffbfc00180}; u64 loongson_chiptemp[MAX_PACKAGES]; u64 loongson_freqctrl[MAX_PACKAGES]; @@ -57,6 +61,12 @@ void __init prom_init_env(void) ((u64)loongson_p + loongson_p->system_offset); ecpu = (struct efi_cpuinfo_loongson *) ((u64)loongson_p + loongson_p->cpu_offset); + eboard = (struct board_devices *) + ((u64)loongson_p + loongson_p->boarddev_table_offset); + einter = (struct interface_info *) + ((u64)loongson_p + loongson_p->interface_offset); + especial = (struct loongson_special_attribute *) + ((u64)loongson_p + loongson_p->special_offset); eirq_source = (struct irq_source_routing_table *) ((u64)loongson_p + loongson_p->irq_offset); loongson_memmap = (struct efi_memory_map_loongson *)