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-rw-r--r--board/technexion/pico-imx7d/MAINTAINERS2
-rw-r--r--board/technexion/pico-imx7d/README91
-rw-r--r--board/technexion/pico-imx7d/pico-imx7d.c47
-rw-r--r--board/technexion/pico-imx7d/spl.c4
4 files changed, 101 insertions, 43 deletions
diff --git a/board/technexion/pico-imx7d/MAINTAINERS b/board/technexion/pico-imx7d/MAINTAINERS
index 6e7316be9f6..325e1735c39 100644
--- a/board/technexion/pico-imx7d/MAINTAINERS
+++ b/board/technexion/pico-imx7d/MAINTAINERS
@@ -8,3 +8,5 @@ F: configs/pico-imx7d_defconfig
F: configs/pico-imx7d_bl33_defconfig
F: configs/pico-hobbit-imx7d_defconfig
F: configs/pico-pi-imx7d_defconfig
+F: configs/pico-nymph-imx7d_defconfig
+F: configs/pico-dwarf-imx7d_defconfig
diff --git a/board/technexion/pico-imx7d/README b/board/technexion/pico-imx7d/README
index 6aa0d25af51..4d57cdbfa89 100644
--- a/board/technexion/pico-imx7d/README
+++ b/board/technexion/pico-imx7d/README
@@ -66,3 +66,94 @@ Remove power from the pico board.
Put pico board into normal boot mode.
Power up the board and the new updated U-Boot should boot from eMMC.
+
+Booting in Falcon mode
+======================
+
+Generate a uImage kernel:
+
+$ make imx_v6_v7_defconfig (Using the default imx_v6_v7_defconfig configuration
+just for an example. In order to boot faster the user should customize the
+defconfig by only enabling the minimal required drivers).
+
+$ make -j4 uImage LOADADDR=0x80008000
+
+$ cp arch/arm/boot/uImage /tftpboot
+$ cp arch/arm/boot/dts/imx7d-pico-pi.dtb /tftpboot
+
+In the U-Boot prompt:
+
+Setup the server and board IP addresses:
+=> setenv serverip 192.168.0.10
+=> setenv ipaddr 192.168.0.11
+
+Get the dtb file:
+=> tftp ${fdt_addr} imx7d-pico-pi.dtb
+
+Get the kernel:
+=> tftp ${loadaddr} uImage
+
+Write the kernel at 2MB offset:
+=> mmc write ${loadaddr} 0x1000 0x5000
+
+Setup the bootargs:
+=> setenv bootargs 'console=ttymxc4,115200 root=/dev/mmcblk2p1 rootfstype=ext4 rootwait rw'
+
+Prepare args:
+=> spl export fdt ${loadaddr} - ${fdt_addr}
+## Booting kernel from Legacy Image at 80800000 ...
+ Image Name: Linux-5.2.14
+ Image Type: ARM Linux Kernel Image (uncompressed)
+ Data Size: 9077544 Bytes = 8.7 MiB
+ Load Address: 80008000
+ Entry Point: 80008000
+ Verifying Checksum ... OK
+## Flattened Device Tree blob at 83000000
+ Booting using the fdt blob at 0x83000000
+ Loading Kernel Image
+ Using Device Tree in place at 83000000, end 8300b615
+subcommand not supported
+subcommand not supported
+ Using Device Tree in place at 83000000, end 8300e615
+Argument image is now in RAM: 0x83000000
+=>
+
+Write 1MB of args data (0x800 sectors) to 1MB offset (0x800 sectors):
+
+=> mmc write ${fdt_addr} 0x800 0x800
+
+In order to boot with Falcon mode, activate the CONFIG_SPL_OS_BOOT
+option in the defconfig
+
+--- a/configs/pico-imx7d_defconfig
++++ b/configs/pico-imx7d_defconfig
+@@ -67,3 +67,4 @@ CONFIG_USB_GADGET_VENDOR_NUM=0x0525
+ CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
+ CONFIG_CI_UDC=y
+ CONFIG_VIDEO=y
++CONFIG_SPL_OS_BOOT=y
+
+Then rebuild U-Boot:
+
+$ make pico-imx7d_defconfig
+$ make -j4
+
+Launch UMS:
+=> ums 0 mmc 0
+
+Flash the new binaries:
+
+$ sudo dd if=SPL of=/dev/sdX bs=1k seek=1; sync
+$ sudo dd if=u-boot-dtb.img of=/dev/sdX bs=1k seek=69; sync
+
+And then SPL binary will load and jump directly to the kernel:
+
+U-Boot SPL 2019.10-rc3-00284-g001c8ea94a-dirty (Sep 10 2019 - 12:46:01 -0300)
+Trying to boot from MMC1
+[ 0.000000] Booting Linux on physical CPU 0x0
+[ 0.000000] Linux version 5.2.14 (fabio@fabio-OptiPlex-7010) (gcc version 7.4.0 (Ubuntu/Linaro 7.4.0-1ubuntu1~18.04.1)) #30 SMP Wed Sep 10 12:36:27 -03 2019
+[ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
+[ 0.000000] CPU: div instructions available: patching division code
+[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
+[ 0.000000] OF: fdt: Machine model: TechNexion PICO-IMX7D Board and PI baseboard
+...
diff --git a/board/technexion/pico-imx7d/pico-imx7d.c b/board/technexion/pico-imx7d/pico-imx7d.c
index 216475c8dec..bfa3c3c87f0 100644
--- a/board/technexion/pico-imx7d/pico-imx7d.c
+++ b/board/technexion/pico-imx7d/pico-imx7d.c
@@ -33,13 +33,6 @@ DECLARE_GLOBAL_DATA_PTR;
#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)
-
-#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \
- PAD_CTL_DSE_3P3V_49OHM)
-
-#define LCD_SYNC_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \
- PAD_CTL_DSE_3P3V_196OHM)
-
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
@@ -223,43 +216,9 @@ int board_early_init_f(void)
return 0;
}
-#ifdef CONFIG_VIDEO_MXS
-static iomux_v3_cfg_t const lcd_pads[] = {
- MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL),
- MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL),
- MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL),
- MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_GPIO1_IO06__GPIO1_IO6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
- MX7D_PAD_GPIO1_IO11__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
-};
-
+#ifdef CONFIG_DM_VIDEO
void setup_lcd(void)
{
- imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
gpio_request(IMX_GPIO_NR(1, 11), "lcd_brightness");
gpio_request(IMX_GPIO_NR(1, 6), "lcd_enable");
/* Set Brightness to high */
@@ -274,8 +233,10 @@ int board_init(void)
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
-#ifdef CONFIG_VIDEO_MXS
+#ifdef CONFIG_DM_VIDEO
+
setup_lcd();
+
#endif
#ifdef CONFIG_FEC_MXC
setup_fec();
diff --git a/board/technexion/pico-imx7d/spl.c b/board/technexion/pico-imx7d/spl.c
index c55a35d864a..8955622b815 100644
--- a/board/technexion/pico-imx7d/spl.c
+++ b/board/technexion/pico-imx7d/spl.c
@@ -21,6 +21,10 @@
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
+ /* Break into full U-Boot on 'c' */
+ if (serial_tstc() && serial_getc() == 'c')
+ return 1;
+
return 0;
}
#endif
generated by cgit v1.2.3 (git 2.0.4) at 2025-09-19 21:50:25 +0000