To enable splash screen on AM62x at a53 SPL setup DRAM, set page table, enable cache to allow copying of bmp image to frame buffer and display it using splash_display.
Signed-off-by: Nikhil M Jain n-jain1@ti.com --- board/ti/am62x/evm.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+)
diff --git a/board/ti/am62x/evm.c b/board/ti/am62x/evm.c index 20b2a70122..e3c80c5c67 100644 --- a/board/ti/am62x/evm.c +++ b/board/ti/am62x/evm.c @@ -9,6 +9,7 @@
#include <env.h> #include <spl.h> +#include <init.h> #include <video.h> #include <splash.h> #include <k3-ddrss.h> @@ -53,6 +54,44 @@ int dram_init_banksize(void) }
#if defined(CONFIG_SPL_BUILD) +#ifdef CONFIG_SPL_VIDEO_TIDSS +static int setup_dram(void) +{ + dram_init(); + dram_init_banksize(); + gd->ram_base = CFG_SYS_SDRAM_BASE; + gd->ram_top = gd->ram_base + gd->ram_size; + gd->relocaddr = gd->ram_top; + return 0; +} + +static int video_setup(void) +{ + ulong addr; + int ret; + addr = gd->relocaddr; + + ret = video_reserve(&addr); + if (ret) + return ret; + debug("Reserving %luk for video at: %08lx\n", + ((unsigned long)gd->relocaddr - addr) >> 10, addr); + gd->relocaddr = addr; + return 0; +} + +#endif +void spl_board_init(void) +{ +#if defined(CONFIG_SPL_VIDEO_TIDSS) + setup_dram(); + arch_reserve_mmu(); + video_setup(); + enable_caches(); + splash_display(); +#endif +} + #if defined(CONFIG_K3_AM64_DDRSS) static void fixup_ddr_driver_for_ecc(struct spl_image_info *spl_image) {