From patchwork Fri Jul 10 00:43:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 241218 List-Id: U-Boot discussion From: sjg at chromium.org (Simon Glass) Date: Thu, 9 Jul 2020 18:43:16 -0600 Subject: [PATCH v3 3/4] x86: Avoid #ifdef with CONFIG_HAVE_ACPI_RESUME In-Reply-To: <20200710004317.3017137-1-sjg@chromium.org> References: <20200710004317.3017137-1-sjg@chromium.org> Message-ID: <20200710004317.3017137-2-sjg@chromium.org> At present this enables a few arch-specific members of the global_data struct which are otherwise not part of the struct. As a result we have to use #ifdef in various places. The cost of always having these in the struct is small. Adjust things so that we can use compile-time code instead of #ifdefs. Signed-off-by: Simon Glass --- (no changes since v2) Changes in v2: - Use new three-argument CONFIG_IS_ENABLED() instead arch/x86/cpu/apollolake/cpu_spl.c | 13 +++++----- arch/x86/cpu/apollolake/fsp_s.c | 10 ++++---- arch/x86/cpu/baytrail/acpi.c | 2 -- arch/x86/cpu/broadwell/power_state.c | 5 ++-- arch/x86/cpu/cpu.c | 38 ++++++++++++++-------------- arch/x86/include/asm/global_data.h | 2 -- arch/x86/lib/coreboot_table.c | 6 ++--- arch/x86/lib/fsp/fsp_common.c | 2 -- arch/x86/lib/fsp/fsp_dram.c | 26 +++++++++++-------- arch/x86/lib/fsp1/fsp_common.c | 16 +++++++----- arch/x86/lib/fsp2/fsp_dram.c | 7 +++-- 11 files changed, 63 insertions(+), 64 deletions(-) diff --git a/arch/x86/cpu/apollolake/cpu_spl.c b/arch/x86/cpu/apollolake/cpu_spl.c index 707ceb3e64..9f32f2e27e 100644 --- a/arch/x86/cpu/apollolake/cpu_spl.c +++ b/arch/x86/cpu/apollolake/cpu_spl.c @@ -247,12 +247,13 @@ static int arch_cpu_init_spl(void) ret = pmc_init(pmc); if (ret < 0) return log_msg_ret("Could not init PMC", ret); -#ifdef CONFIG_HAVE_ACPI_RESUME - ret = pmc_prev_sleep_state(pmc); - if (ret < 0) - return log_msg_ret("Could not get PMC sleep state", ret); - gd->arch.prev_sleep_state = ret; -#endif + if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)) { + ret = pmc_prev_sleep_state(pmc); + if (ret < 0) + return log_msg_ret("Could not get PMC sleep state", + ret); + gd->arch.prev_sleep_state = ret; + } return 0; } diff --git a/arch/x86/cpu/apollolake/fsp_s.c b/arch/x86/cpu/apollolake/fsp_s.c index 767ddfe680..13e6b20f08 100644 --- a/arch/x86/cpu/apollolake/fsp_s.c +++ b/arch/x86/cpu/apollolake/fsp_s.c @@ -192,16 +192,16 @@ int arch_fsps_preinit(void) int arch_fsp_init_r(void) { -#ifdef CONFIG_HAVE_ACPI_RESUME - bool s3wake = gd->arch.prev_sleep_state == ACPI_S3; -#else - bool s3wake = false; -#endif + bool s3wake; struct udevice *dev, *itss; int ret; if (!ll_boot_init()) return 0; + + s3wake = IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) && + gd->arch.prev_sleep_state == ACPI_S3; + /* * This must be called before any devices are probed. Put any probing * into arch_fsps_preinit() above. diff --git a/arch/x86/cpu/baytrail/acpi.c b/arch/x86/cpu/baytrail/acpi.c index 65f2006a0a..b17bc62a2d 100644 --- a/arch/x86/cpu/baytrail/acpi.c +++ b/arch/x86/cpu/baytrail/acpi.c @@ -161,7 +161,6 @@ void acpi_create_gnvs(struct acpi_global_nvs *gnvs) gnvs->iuart_en = 0; } -#ifdef CONFIG_HAVE_ACPI_RESUME /* * The following two routines are called at a very early stage, even before * FSP 2nd phase API fsp_init() is called. Registers off ACPI_BASE_ADDRESS @@ -204,4 +203,3 @@ void chipset_clear_sleep_state(void) pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT); outl(pm1_cnt & ~(SLP_TYP), ACPI_BASE_ADDRESS + PM1_CNT); } -#endif diff --git a/arch/x86/cpu/broadwell/power_state.c b/arch/x86/cpu/broadwell/power_state.c index 99d6f72cf6..62fd2e8d2c 100644 --- a/arch/x86/cpu/broadwell/power_state.c +++ b/arch/x86/cpu/broadwell/power_state.c @@ -23,11 +23,10 @@ static int prev_sleep_state(struct chipset_power_state *ps) if (ps->pm1_sts & WAK_STS) { switch ((ps->pm1_cnt & SLP_TYP) >> SLP_TYP_SHIFT) { -#if CONFIG_HAVE_ACPI_RESUME case SLP_TYP_S3: - prev_sleep_state = SLEEP_STATE_S3; + if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)) + prev_sleep_state = SLEEP_STATE_S3; break; -#endif case SLP_TYP_S5: prev_sleep_state = SLEEP_STATE_S5; break; diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c index a814e7d7a6..23a4d633d2 100644 --- a/arch/x86/cpu/cpu.c +++ b/arch/x86/cpu/cpu.c @@ -163,10 +163,10 @@ int default_print_cpuinfo(void) cpu_has_64bit() ? "x86_64" : "x86", cpu_vendor_name(gd->arch.x86_vendor), gd->arch.x86_device); -#ifdef CONFIG_HAVE_ACPI_RESUME - debug("ACPI previous sleep state: %s\n", - acpi_ss_string(gd->arch.prev_sleep_state)); -#endif + if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)) { + debug("ACPI previous sleep state: %s\n", + acpi_ss_string(gd->arch.prev_sleep_state)); + } return 0; } @@ -191,12 +191,12 @@ int last_stage_init(void) board_final_cleanup(); -#ifdef CONFIG_HAVE_ACPI_RESUME - fadt = acpi_find_fadt(); + if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)) { + fadt = acpi_find_fadt(); - if (fadt && gd->arch.prev_sleep_state == ACPI_S3) - acpi_resume(fadt); -#endif + if (fadt && gd->arch.prev_sleep_state == ACPI_S3) + acpi_resume(fadt); + } write_tables(); @@ -277,17 +277,17 @@ int reserve_arch(void) high_table_reserve(); #endif -#ifdef CONFIG_HAVE_ACPI_RESUME - acpi_s3_reserve(); + if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)) { + acpi_s3_reserve(); -#ifdef CONFIG_HAVE_FSP - /* - * Save stack address to CMOS so that at next S3 boot, - * we can use it as the stack address for fsp_contiue() - */ - fsp_save_s3_stack(); -#endif /* CONFIG_HAVE_FSP */ -#endif /* CONFIG_HAVE_ACPI_RESUME */ + if (IS_ENABLED(CONFIG_HAVE_FSP)) { + /* + * Save stack address to CMOS so that at next S3 boot, + * we can use it as the stack address for fsp_contiue() + */ + fsp_save_s3_stack(); + } + } return 0; } diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h index 4aee2f3e8c..0e64c8a46d 100644 --- a/arch/x86/include/asm/global_data.h +++ b/arch/x86/include/asm/global_data.h @@ -116,10 +116,8 @@ struct arch_global_data { u32 high_table_ptr; u32 high_table_limit; #endif -#ifdef CONFIG_HAVE_ACPI_RESUME int prev_sleep_state; /* Previous sleep state ACPI_S0/1../5 */ ulong backup_mem; /* Backup memory address for S3 */ -#endif #ifdef CONFIG_FSP_VERSION2 struct fsp_header *fsp_s_hdr; /* Pointer to FSP-S header */ #endif diff --git a/arch/x86/lib/coreboot_table.c b/arch/x86/lib/coreboot_table.c index 331c1b7e5a..6cd3244301 100644 --- a/arch/x86/lib/coreboot_table.c +++ b/arch/x86/lib/coreboot_table.c @@ -21,11 +21,11 @@ int high_table_reserve(void) gd->arch.high_table_ptr = gd->start_addr_sp; /* clear the memory */ -#ifdef CONFIG_HAVE_ACPI_RESUME - if (gd->arch.prev_sleep_state != ACPI_S3) -#endif + if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) && + gd->arch.prev_sleep_state != ACPI_S3) { memset((void *)gd->arch.high_table_ptr, 0, CONFIG_HIGH_TABLE_SIZE); + } gd->start_addr_sp &= ~0xf; diff --git a/arch/x86/lib/fsp/fsp_common.c b/arch/x86/lib/fsp/fsp_common.c index cf32b3e512..8e3082d4c8 100644 --- a/arch/x86/lib/fsp/fsp_common.c +++ b/arch/x86/lib/fsp/fsp_common.c @@ -60,7 +60,6 @@ void board_final_cleanup(void) debug("OK\n"); } -#ifdef CONFIG_HAVE_ACPI_RESUME int fsp_save_s3_stack(void) { struct udevice *dev; @@ -84,4 +83,3 @@ int fsp_save_s3_stack(void) return 0; } -#endif diff --git a/arch/x86/lib/fsp/fsp_dram.c b/arch/x86/lib/fsp/fsp_dram.c index ad5a0f79ad..01d498c21e 100644 --- a/arch/x86/lib/fsp/fsp_dram.c +++ b/arch/x86/lib/fsp/fsp_dram.c @@ -117,17 +117,21 @@ unsigned int install_e820_map(unsigned int max_entries, entries[num_entries].type = E820_RESERVED; num_entries++; -#ifdef CONFIG_HAVE_ACPI_RESUME - /* - * Everything between U-Boot's stack and ram top needs to be - * reserved in order for ACPI S3 resume to work. - */ - entries[num_entries].addr = gd->start_addr_sp - CONFIG_STACK_SIZE; - entries[num_entries].size = gd->ram_top - gd->start_addr_sp + - CONFIG_STACK_SIZE; - entries[num_entries].type = E820_RESERVED; - num_entries++; -#endif + if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)) { + ulong stack_size; + + stack_size = CONFIG_IS_ENABLED(HAVE_ACPI_RESUME, + (CONFIG_STACK_SIZE), (0)); + /* + * Everything between U-Boot's stack and ram top needs to be + * reserved in order for ACPI S3 resume to work. + */ + entries[num_entries].addr = gd->start_addr_sp - stack_size; + entries[num_entries].size = gd->ram_top - gd->start_addr_sp + + stack_size; + entries[num_entries].type = E820_RESERVED; + num_entries++; + } return num_entries; } diff --git a/arch/x86/lib/fsp1/fsp_common.c b/arch/x86/lib/fsp1/fsp_common.c index 43d32b7abe..da351cf097 100644 --- a/arch/x86/lib/fsp1/fsp_common.c +++ b/arch/x86/lib/fsp1/fsp_common.c @@ -46,10 +46,12 @@ int arch_fsp_init(void) void *nvs; int stack = CONFIG_FSP_TEMP_RAM_ADDR; int boot_mode = BOOT_FULL_CONFIG; -#ifdef CONFIG_HAVE_ACPI_RESUME - int prev_sleep_state = chipset_prev_sleep_state(); - gd->arch.prev_sleep_state = prev_sleep_state; -#endif + int prev_sleep_state; + + if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)) { + prev_sleep_state = chipset_prev_sleep_state(); + gd->arch.prev_sleep_state = prev_sleep_state; + } if (!gd->arch.hob_list) { if (IS_ENABLED(CONFIG_ENABLE_MRC_CACHE)) @@ -57,8 +59,8 @@ int arch_fsp_init(void) else nvs = NULL; -#ifdef CONFIG_HAVE_ACPI_RESUME - if (prev_sleep_state == ACPI_S3) { + if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) && + prev_sleep_state == ACPI_S3) { if (nvs == NULL) { /* If waking from S3 and no cache then */ debug("No MRC cache found in S3 resume path\n"); @@ -79,7 +81,7 @@ int arch_fsp_init(void) stack = cmos_read32(CMOS_FSP_STACK_ADDR); boot_mode = BOOT_ON_S3_RESUME; } -#endif + /* * The first time we enter here, call fsp_init(). * Note the execution does not return to this function, diff --git a/arch/x86/lib/fsp2/fsp_dram.c b/arch/x86/lib/fsp2/fsp_dram.c index 1c82b81831..c9f6402e6a 100644 --- a/arch/x86/lib/fsp2/fsp_dram.c +++ b/arch/x86/lib/fsp2/fsp_dram.c @@ -27,11 +27,10 @@ int dram_init(void) return 0; } if (spl_phase() == PHASE_SPL) { -#ifdef CONFIG_HAVE_ACPI_RESUME - bool s3wake = gd->arch.prev_sleep_state == ACPI_S3; -#else bool s3wake = false; -#endif + + s3wake = IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) && + gd->arch.prev_sleep_state == ACPI_S3; ret = fsp_memory_init(s3wake, IS_ENABLED(CONFIG_APL_BOOT_FROM_FAST_SPI_FLASH));