From: Sunil V L <sunilvl@ventanamicro.com>
To: Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Len Brown <lenb@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <maz@kernel.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Jonathan Corbet <corbet@lwn.net>
Cc: linux-riscv@lists.infradead.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
Anup Patel <apatel@ventanamicro.com>,
Andrew Jones <ajones@ventanamicro.com>,
Atish Patra <atishp@rivosinc.com>,
Sunil V L <sunilvl@ventanamicro.com>
Subject: [PATCH 21/24] RISC-V: ACPI: Add ACPI initialization in setup_arch()
Date: Mon, 30 Jan 2023 23:52:22 +0530 [thread overview]
Message-ID: <20230130182225.2471414-22-sunilvl@ventanamicro.com> (raw)
In-Reply-To: <20230130182225.2471414-1-sunilvl@ventanamicro.com>
Initialize ACPI tables for RISC-V during boot.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
---
arch/riscv/kernel/setup.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index 4335f08ffaf2..5b4ad1baf664 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -8,6 +8,7 @@
* Nick Kossifidis <mick@ics.forth.gr>
*/
+#include <linux/acpi.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/memblock.h>
@@ -276,14 +277,22 @@ void __init setup_arch(char **cmdline_p)
efi_init();
paging_init();
+
+ /* Parse the ACPI tables for possible boot-time configuration */
+ acpi_boot_table_init();
+ if (acpi_disabled) {
#if IS_ENABLED(CONFIG_BUILTIN_DTB)
- unflatten_and_copy_device_tree();
+ unflatten_and_copy_device_tree();
#else
- if (early_init_dt_verify(__va(XIP_FIXUP(dtb_early_pa))))
- unflatten_device_tree();
- else
- pr_err("No DTB found in kernel mappings\n");
+ if (early_init_dt_verify(__va(XIP_FIXUP(dtb_early_pa))))
+ unflatten_device_tree();
+ else
+ pr_err("No DTB found in kernel mappings\n");
#endif
+ } else {
+ early_init_dt_verify(__va(XIP_FIXUP(dtb_early_pa)));
+ }
+
early_init_fdt_scan_reserved_mem();
misc_mem_init();
--
2.38.0
next prev parent reply other threads:[~2023-01-30 18:26 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-30 18:22 [PATCH 00/24] Add basic ACPI support for RISC-V Sunil V L
2023-01-30 18:22 ` [PATCH 01/24] riscv: move sbi_init() earlier before jump_label_init() Sunil V L
2023-01-30 18:22 ` [PATCH 02/24] ACPICA: MADT: Add RISC-V INTC interrupt controller Sunil V L
2023-02-08 19:59 ` Conor Dooley
2023-02-13 5:13 ` Sunil V L
2023-01-30 18:22 ` [PATCH 03/24] ACPICA: Add structure definitions for RISC-V RHCT Sunil V L
2023-01-30 18:22 ` [PATCH 04/24] RISC-V: ACPI: Add empty headers to enable ACPI core Sunil V L
2023-02-08 19:55 ` Conor Dooley
2023-01-30 18:22 ` [PATCH 05/24] RISC-V: ACPI: Add basic functions to build " Sunil V L
2023-02-08 20:58 ` Conor Dooley
2023-02-13 15:16 ` Sunil V L
2023-01-30 18:22 ` [PATCH 06/24] RISC-V: ACPI: Add PCI " Sunil V L
2023-02-08 21:26 ` Conor Dooley
2023-02-13 15:23 ` Sunil V L
2023-02-13 17:14 ` Conor Dooley
2023-02-13 17:26 ` Jessica Clarke
2023-02-14 4:42 ` Sunil V L
2023-01-30 18:22 ` [PATCH 07/24] RISC-V: ACPI: Enable ACPI build infrastructure Sunil V L
2023-02-08 21:31 ` Conor Dooley
2023-02-13 15:23 ` Sunil V L
2023-01-30 18:22 ` [PATCH 08/24] ACPI: Enable ACPI_PROCESSOR for RISC-V Sunil V L
2023-01-30 18:22 ` [PATCH 09/24] ACPI: OSL: Make should_use_kmap() 0 " Sunil V L
2023-01-30 18:22 ` [PATCH 10/24] ACPI: processor_core: RISC-V: Enable mapping processor to the hartid Sunil V L
2023-01-30 18:22 ` [PATCH 11/24] RISC-V: ACPI: irqchip/riscv-intc: Add ACPI support Sunil V L
2023-01-30 23:38 ` Jessica Clarke
2023-01-31 9:11 ` Sunil V L
2023-02-08 21:49 ` Conor Dooley
2023-02-13 15:25 ` Sunil V L
2023-01-30 18:22 ` [PATCH 12/24] RISC-V: ACPI: smpboot: Create wrapper smp_setup() Sunil V L
2023-02-08 21:34 ` Conor Dooley
2023-01-30 18:22 ` [PATCH 13/24] RISC-V: ACPI: smpboot: Add ACPI support in smp_setup() Sunil V L
2023-02-08 22:10 ` Conor Dooley
2023-02-13 15:27 ` Sunil V L
2023-01-30 18:22 ` [PATCH 14/24] RISC-V: ACPI: smpboot: Add function to retrieve the hartid Sunil V L
2023-02-09 20:30 ` Conor Dooley
2023-02-13 17:00 ` Sunil V L
2023-01-30 18:22 ` [PATCH 15/24] clocksource/timer-riscv: Refactor riscv_timer_init_dt() Sunil V L
2023-02-09 20:54 ` Conor Dooley
2023-02-13 17:22 ` Sunil V L
2023-01-30 18:22 ` [PATCH 16/24] RISC-V: ACPI: clocksource/timer-riscv: Add ACPI support Sunil V L
2023-02-09 20:58 ` Conor Dooley
2023-02-13 17:39 ` Sunil V L
2023-01-30 18:22 ` [PATCH 17/24] ACPI: RISC-V: drivers/acpi: Add RHCT related code Sunil V L
2023-01-30 18:22 ` [PATCH 18/24] RISC-V: ACPI: time.c: Add ACPI support for time_init() Sunil V L
2023-01-30 18:22 ` [PATCH 19/24] RISC-V: ACPI: cpufeature: Add ACPI support in riscv_fill_hwcap() Sunil V L
2023-02-09 21:47 ` Conor Dooley
2023-02-13 17:51 ` Sunil V L
2023-01-30 18:22 ` [PATCH 20/24] RISC-V: ACPI: cpu: Enable cpuinfo for ACPI systems Sunil V L
2023-02-09 21:13 ` Conor Dooley
2023-02-13 17:42 ` Sunil V L
2023-01-30 18:22 ` Sunil V L [this message]
2023-02-09 21:53 ` [PATCH 21/24] RISC-V: ACPI: Add ACPI initialization in setup_arch() Conor Dooley
2023-02-13 17:52 ` Sunil V L
2023-01-30 18:22 ` [PATCH 22/24] RISC-V: ACPI: Enable ACPI in defconfig Sunil V L
2023-01-30 23:47 ` Conor Dooley
2023-01-31 8:41 ` Sunil V L
2023-01-30 18:22 ` [PATCH 23/24] MAINTAINERS: Add entry for drivers/acpi/riscv Sunil V L
2023-02-09 21:54 ` Conor Dooley
2023-02-13 17:53 ` Sunil V L
2023-01-30 18:22 ` [PATCH 24/24] Documentation/kernel-parameters.txt: Add RISC-V for ACPI parameter Sunil V L
2023-02-09 2:02 ` Bagas Sanjaya
2023-02-13 15:29 ` Sunil V L
2023-01-30 19:11 ` [PATCH 00/24] Add basic ACPI support for RISC-V Rafael J. Wysocki
2023-02-08 18:28 ` Conor Dooley
2023-02-08 18:50 ` Conor Dooley
2023-02-13 4:51 ` Sunil V L
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