Hello,
I want to do automatic board detection for some SUN7I boards. What I've
done so far is:
- Make my own board/<vendor>/<name>
- In the Makefile request dependencies from board/sunxi directory, e.g.
obj-$(CONFIG_SUNXI_GMAC) += ../../sunxi/gmac.o
obj-$(CONFIG_SUNXI_AHCI) += ../../sunxi/ahci.o
obj-$(CONFIG_MACH_SUN7I) += ../../sunxi/dram_sun5i_auto.o
- In arch/arm/mach-sunxi/Kconfig I've added menu:
- Default target
- My own target
Based of the choice I change SYS_BOARD, SYS_VENDOR, SYS_CONFIG_NAME to
point to my directory
- In my board.c file is pretty much the same as board/sunxi/board.c
without lot of switches, etc. Also I make some board detection and set some
u-boot variables.
So far so good.
The problem is driver initialization. Fox example in
arch/arm/mach-sunxi/usb_phy.c there is this code:
static int get_vbus_gpio(int index)
{
switch (index) {
case 0: return sunxi_name_to_gpio(CONFIG_USB0_VBUS_PIN);
case 1: return sunxi_name_to_gpio(CONFIG_USB1_VBUS_PIN);
case 2: return sunxi_name_to_gpio(CONFIG_USB2_VBUS_PIN);
case 3: return sunxi_name_to_gpio(CONFIG_USB3_VBUS_PIN);
}
return -EINVAL;
}
On board A I have VBUS_PIN on "PC0", on board B - "PC1", on board C -
"PC2". How I'm supposed to do this, without doing some s**** things?
Also, I'm the first trying to do such thing?
In general, is this correct? Can it go mainline? If not, what you recommend?
Best regards,
Stefan Mavrodiev
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