diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/imx8mp_evk/README | 41 | ||||
| -rw-r--r-- | board/freescale/imx8mp_evk/spl.c | 28 | ||||
| -rw-r--r-- | board/menlo/m53menlo/m53menlo.c | 14 |
3 files changed, 54 insertions, 29 deletions
diff --git a/board/freescale/imx8mp_evk/README b/board/freescale/imx8mp_evk/README new file mode 100644 index 00000000000..7dd3a9352a5 --- /dev/null +++ b/board/freescale/imx8mp_evk/README @@ -0,0 +1,41 @@ +U-Boot for the NXP i.MX8MP EVK board + +Quick Start +=========== +- Build the ARM Trusted firmware binary +- Get the firmware-imx package +- Build U-Boot +- Boot + +Get and Build the ARM Trusted firmware +====================================== +Note: $(srctree) is the U-Boot source directory +Get ATF from: https://source.codeaurora.org/external/imx/imx-atf +branch: imx_5.4.3_2.0.0 +$ make PLAT=imx8mp bl31 +$ sudo cp build/imx8mp/release/bl31.bin $(srctree) + +Get the ddr firmware +==================== +$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.7.bin +$ chmod +x firmware-imx-8.7.bin +$ ./firmware-imx-8.7 +$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_1d_dmem_201904.bin $(srctree)/lpddr4_pmu_train_1d_dmem.bin +$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_1d_imem_201904.bin $(srctree)/lpddr4_pmu_train_1d_imem.bin +$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_2d_dmem_201904.bin $(srctree)/lpddr4_pmu_train_2d_dmem.bin +$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_2d_imem_201904.bin $(srctree)/lpddr4_pmu_train_2d_imem.bin + +Build U-Boot +============ +$ export CROSS_COMPILE=aarch64-poky-linux- +$ make imx8mp_evk_defconfig +$ export ATF_LOAD_ADDR=0x960000 +$ make flash.bin + +Burn the flash.bin to the MicroSD card at offset 32KB +$sudo dd if=flash.bin of=/dev/sd[x] bs=1K seek=32; sync + +Boot +==== +Set Boot switch to SD boot +Use /dev/ttyUSB2 for U-Boot console diff --git a/board/freescale/imx8mp_evk/spl.c b/board/freescale/imx8mp_evk/spl.c index cd5b32c3f8c..3b3a854e29b 100644 --- a/board/freescale/imx8mp_evk/spl.c +++ b/board/freescale/imx8mp_evk/spl.c @@ -29,11 +29,6 @@ #include <mmc.h> #include <asm/arch/ddr.h> -#include <dm/uclass.h> -#include <dm/device.h> -#include <dm/uclass-internal.h> -#include <dm/device-internal.h> - DECLARE_GLOBAL_DATA_PTR; int spl_board_boot_device(enum boot_device boot_dev_spl) @@ -48,16 +43,7 @@ void spl_dram_init(void) void spl_board_init(void) { - struct udevice *dev; - int ret; - puts("Normal Boot\n"); - - ret = uclass_get_device_by_name(UCLASS_CLK, - "clock-controller@30380000", - &dev); - if (ret < 0) - printf("Failed to find clock node. Check device tree\n"); } #define I2C_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PE) @@ -118,6 +104,7 @@ int board_fit_config_name_match(const char *name) } #endif +/* Do not use BSS area in this phase */ void board_init_f(ulong dummy) { int ret; @@ -128,19 +115,14 @@ void board_init_f(ulong dummy) board_early_init_f(); - timer_init(); - - preloader_console_init(); - - /* Clear the BSS. */ - memset(__bss_start, 0, __bss_end - __bss_start); - - ret = spl_init(); + ret = spl_early_init(); if (ret) { debug("spl_init() failed: %d\n", ret); hang(); } + preloader_console_init(); + enable_tzc380(); setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); @@ -149,6 +131,4 @@ void board_init_f(ulong dummy) /* DDR initialization */ spl_dram_init(); - - board_init_r(NULL, 0); } diff --git a/board/menlo/m53menlo/m53menlo.c b/board/menlo/m53menlo/m53menlo.c index 58a564ac314..d4288a2c573 100644 --- a/board/menlo/m53menlo/m53menlo.c +++ b/board/menlo/m53menlo/m53menlo.c @@ -353,24 +353,28 @@ int board_late_init(void) ret = splash_screen_prepare(); if (ret < 0) - return ret; + goto splasherr; len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE; ret = gunzip(dst + 2, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE - 2, (uchar *)addr, &len); if (ret) { printf("Error: no valid bmp or bmp.gz image at %lx\n", addr); - free(dst); - return ret; + goto splasherr; } ret = uclass_get_device(UCLASS_VIDEO, 0, &dev); if (ret) - return ret; + goto splasherr; ret = video_bmp_display(dev, (ulong)dst + 2, xpos, ypos, true); if (ret) - return ret; + goto splasherr; + + return 0; + +splasherr: + free(dst); #endif return 0; } |