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arm: juno: enable USB

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The Juno board features a standard compliant EHCI/OHCI USB host
controller pair, which we can just enable.
The platform data is taken from the device tree.

This allows to use USB mass storage (the only storage on a Juno r0)
for loading.

At least on my board USB seems a bit flaky, I need two "usb reset"
sequences after the "usb start" to detect an USB hard drive.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Andre Przywara 2020-04-27 19:18:03 +01:00 • committed by Tom Rini
parent be0d09695d
commit 56e403d95f
3 changed files with 14 additions and 0 deletions
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4
arch/arm/Kconfig
View file

@ -1169,6 +1169,10 @@ config TARGET_VEXPRESS64_JUNO
select DM_SERIAL select DM_SERIAL
select ARM_PSCI_FW select ARM_PSCI_FW
select PSCI_RESET select PSCI_RESET
select DM
select BLK
select USB
select DM_USB
config TARGET_LS2080A_EMU config TARGET_LS2080A_EMU
bool "Support ls2080a_emu" bool "Support ls2080a_emu"

5
configs/vexpress_aemv8a_juno_defconfig
View file

@ -27,6 +27,7 @@ CONFIG_CMD_ARMFLASH=y
CONFIG_CMD_CACHE=y CONFIG_CMD_CACHE=y
# CONFIG_CMD_MISC is not set # CONFIG_CMD_MISC is not set
CONFIG_CMD_UBI=y CONFIG_CMD_UBI=y
CONFIG_CMD_USB=y
# CONFIG_ISO_PARTITION is not set # CONFIG_ISO_PARTITION is not set
# CONFIG_EFI_PARTITION is not set # CONFIG_EFI_PARTITION is not set
CONFIG_ENV_IS_IN_FLASH=y CONFIG_ENV_IS_IN_FLASH=y
@ -41,3 +42,7 @@ CONFIG_SYS_FLASH_CFI=y
CONFIG_SMC911X=y CONFIG_SMC911X=y
CONFIG_SMC911X_BASE=0x018000000 CONFIG_SMC911X_BASE=0x018000000
CONFIG_SMC911X_32_BIT=y CONFIG_SMC911X_32_BIT=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_GENERIC=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_GENERIC=y

5
include/configs/vexpress_aemv8a.h
View file

@ -219,6 +219,11 @@
#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_32BIT #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_32BIT
#define CONFIG_SYS_MAX_FLASH_BANKS 1 #define CONFIG_SYS_MAX_FLASH_BANKS 1
#ifdef CONFIG_USB_EHCI_HCD
#define CONFIG_USB_OHCI_NEW
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1
#endif
#define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ #define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */
#define FLASH_MAX_SECTOR_SIZE 0x00040000 #define FLASH_MAX_SECTOR_SIZE 0x00040000