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fdt/sunxi: Remove OF_STDOUT_PATH

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OF_STDOUT_PATH was meant to hold the devicetree path to the serial
console, to be put into the linux,stdout-path property of the chosen node.

The only user of that was sunxi, and it was actually wrong for years
there: the paths hardcoded in sunxi_common.h were not matching the DTs,
evident by the leading 0's in nodenames, which have been removed years
ago.

On top of that, "linux,stdout-path" is now deprecated for a while (Linux
commit 2a9d832cc9aae from November 2014), and also all modern DTs
(including those included in U-Boot) carry a "stdout-path" property
already.

So remove the stanza from sunxi_common.h, and, since this was the last
user, also remove the associated bits from the rest of U-Boot.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Andre Przywara 2021-02-14 10:35:18 +00:00
parent 7f4e294b57
commit e036a1d227
4 changed files with 1 additions and 28 deletions
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1
README
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@ -575,7 +575,6 @@ The following options need to be configured:
* The bootm command automatically updates the fdt
OF_TBCLK - The timebase frequency.
OF_STDOUT_PATH - The path to the console device
boards with QUICC Engines require OF_QE to set UCC MAC
addresses

9
common/fdt_support.c
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@ -127,14 +127,7 @@ int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name)
return offset;
}
/* rename to CONFIG_OF_STDOUT_PATH ? */
#if defined(OF_STDOUT_PATH)
static int fdt_fixup_stdout(void *fdt, int chosenoff)
{
return fdt_setprop(fdt, chosenoff, "linux,stdout-path",
OF_STDOUT_PATH, strlen(OF_STDOUT_PATH) + 1);
}
#elif defined(CONFIG_OF_STDOUT_VIA_ALIAS) && defined(CONFIG_CONS_INDEX)
#if defined(CONFIG_OF_STDOUT_VIA_ALIAS) && defined(CONFIG_CONS_INDEX)
static int fdt_fixup_stdout(void *fdt, int chosenoff)
{
int err;

18
include/configs/sunxi-common.h
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@ -223,24 +223,6 @@ extern int soft_i2c_gpio_scl;
#define CONFIG_VIDEO_LCD_I2C_BUS -1 /* NA, but necessary to compile */
#endif
#ifdef CONFIG_REQUIRE_SERIAL_CONSOLE
#if CONFIG_CONS_INDEX == 1
#ifdef CONFIG_MACH_SUN9I
#define OF_STDOUT_PATH "/soc/serial@07000000:115200"
#else
#define OF_STDOUT_PATH "/soc@01c00000/serial@01c28000:115200"
#endif
#elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_MACH_SUN5I)
#define OF_STDOUT_PATH "/soc@01c00000/serial@01c28400:115200"
#elif CONFIG_CONS_INDEX == 3 && defined(CONFIG_MACH_SUN8I)
#define OF_STDOUT_PATH "/soc@01c00000/serial@01c28800:115200"
#elif CONFIG_CONS_INDEX == 5 && defined(CONFIG_MACH_SUN8I)
#define OF_STDOUT_PATH "/soc@01c00000/serial@01f02800:115200"
#else
#error Unsupported console port nr. Please fix stdout-path in sunxi-common.h.
#endif
#endif /* ifdef CONFIG_REQUIRE_SERIAL_CONSOLE */
#ifdef CONFIG_VIDEO_SUNXI
/*
* The amount of RAM to keep free at the top of RAM when relocating u-boot,

1
scripts/config_whitelist.txt
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@ -1172,7 +1172,6 @@ CONFIG_NUM_PAMU
CONFIG_ODROID_REV_AIN
CONFIG_OFF_PADCONF
CONFIG_OF_
CONFIG_OF_STDOUT_PATH
CONFIG_OMAP_EHCI_PHY1_RESET_GPIO
CONFIG_OMAP_EHCI_PHY2_RESET_GPIO
CONFIG_OMAP_EHCI_PHY3_RESET_GPIO