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arm: socfpga: de0_nano: Probe DWC2 UDC from OF instead of hard-coded data 

This patch adds the necessary OF alias for the UDC node, which let's
the code locate the DWC2 UDC base address in OF instead of hard-coding
it into the U-Boot binary. The code is adjusted to use the address from
OF instead of the hard-coded one. Finally, the hard-coded address is
removed and USB DM support is enabled.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Lukasz Majewski <l.majewski@majess.pl>
Cc: Lukasz Majewski <l.majewski@samsung.com>
This commit is contained in:
Marek Vasut 2015-12-05 19:24:22 +01:00
parent c90ada94fb
commit 5b5226a8e6
3 changed files with 7 additions and 3 deletions
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5
arch/arm/dts/socfpga_cyclone5_de0_nano_soc.dts
View File

@ -16,6 +16,7 @@
aliases {
ethernet0 = &gmac1;
udc0 = &usb1;
};
memory {
@ -59,3 +60,7 @@
status = "okay";
u-boot,dm-pre-reloc;
};
&usb1 {
status = "okay";
};

2
configs/socfpga_de0_nano_soc_defconfig
View File

@ -19,3 +19,5 @@ CONFIG_SYS_NS16550=y
CONFIG_CADENCE_QSPI=y
CONFIG_DESIGNWARE_SPI=y
CONFIG_DM_MMC=y
CONFIG_USB=y
CONFIG_DM_USB=y

3
include/configs/socfpga_de0_nano_soc.h
View File

@ -56,9 +56,6 @@
#define CONFIG_ENV_OFFSET 512 /* just after the MBR */
/* USB */
#ifdef CONFIG_CMD_USB
#define CONFIG_USB_DWC2_REG_ADDR SOCFPGA_USB1_ADDRESS
#endif
#define CONFIG_G_DNL_MANUFACTURER "Terasic"
/* Extra Environment */