From patchwork Mon May 25 17:57:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 246516 List-Id: U-Boot discussion From: heiko at sntech.de (Heiko Stuebner) Date: Mon, 25 May 2020 19:57:24 +0200 Subject: [PATCH v2 1/2] rockchip: spl: do full dram_init instead of only probing Message-ID: <20200525175725.3638830-1-heiko@sntech.de> From: Heiko Stuebner Parts of later SPL may need RAM information as well, so do full dram_init() call, which includes the existing dram probing but also initializes the ram information in gd. dram_init() from sdram.c does the following steps: - uclass_get_device(UCLASS_RAM, ...) like the current code - ret = ram_get_info(dev, &ram); - gd->ram_size = ram.size; CONFIG_SPL_RAM already makes sure that sdram.c gets compiled and thus no other variant of dram_init() can exist. So it's the same functionality as before and only adds that the SPL now aquires knowledge about the amount of available ram, which it didn't know about before. Signed-off-by: Heiko Stuebner Reviewed-by: Kever Yang --- changes in v2: - dropped changeid - expanded commit message on how this does not change functionality arch/arm/mach-rockchip/spl.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-rockchip/spl.c b/arch/arm/mach-rockchip/spl.c index 0b76af6080..0eda2c3485 100644 --- a/arch/arm/mach-rockchip/spl.c +++ b/arch/arm/mach-rockchip/spl.c @@ -135,13 +135,15 @@ void board_init_f(ulong dummy) /* Init ARM arch timer in arch/arm/cpu/armv7/arch_timer.c */ timer_init(); #endif -#if !defined(CONFIG_TPL) || defined(CONFIG_SPL_OS_BOOT) +#if !defined(CONFIG_TPL) || defined(CONFIG_SPL_RAM) debug("\nspl:init dram\n"); - ret = uclass_get_device(UCLASS_RAM, 0, &dev); + ret = dram_init(); if (ret) { printf("DRAM init failed: %d\n", ret); return; } + gd->ram_top = gd->ram_base + get_effective_memsize(); + gd->ram_top = board_get_usable_ram_top(gd->ram_size); #endif preloader_console_init(); }