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Fixes for omaps

Browse Source 
A fix external abort on non-linefetch for am335x that is fixed with a flush
 of posted write. And two networking fixes for beaglebone mostly for revision
 c3 to do phy reset with a gpio and to fix a boot time warning.
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Merge tag 'omap-for-v6.5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Fixes for omaps

A fix external abort on non-linefetch for am335x that is fixed with a flush
of posted write. And two networking fixes for beaglebone mostly for revision
c3 to do phy reset with a gpio and to fix a boot time warning.

* tag 'omap-for-v6.5/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: am335x-bone-common: Add vcc-supply for on-board eeprom
  ARM: dts: am335x-bone-common: Add GPIO PHY reset on revision C3 board
  bus: ti-sysc: Flush posted write on enable before reset

Link: https://lore.kernel.org/r/pull-1692158536-457318@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2023-08-17 14:18:57 +02:00
commit 17fd01a243
2 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/arm/boot/dts/ti/omap/am335x-bone-common.dtsi
View File

@ -145,6 +145,8 @@
/* MDIO */
AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
/* Added to support GPIO controlled PHY reset */
AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_OUTPUT_PULLUP, MUX_MODE7)
>;
};
@ -153,6 +155,8 @@
/* MDIO reset value */
AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLDOWN, MUX_MODE7)
AM33XX_PADCONF(AM335X_PIN_MDC, PIN_INPUT_PULLDOWN, MUX_MODE7)
/* Added to support GPIO controlled PHY reset */
AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT_PULLDOWN, MUX_MODE7)
>;
};
@ -215,6 +219,7 @@
baseboard_eeprom: baseboard_eeprom@50 {
compatible = "atmel,24c256";
reg = <0x50>;
vcc-supply = <&ldo4_reg>;
#address-cells = <1>;
#size-cells = <1>;
@ -377,6 +382,10 @@
ethphy0: ethernet-phy@0 {
reg = <0>;
/* Support GPIO reset on revision C3 boards */
reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
reset-assert-us = <300>;
reset-deassert-us = <6500>;
};
};

2
drivers/bus/ti-sysc.c
View File

@ -2142,6 +2142,8 @@ static int sysc_reset(struct sysc *ddata)
sysc_val = sysc_read_sysconfig(ddata);
sysc_val |= sysc_mask;
sysc_write(ddata, sysc_offset, sysc_val);
/* Flush posted write */
sysc_val = sysc_read_sysconfig(ddata);
}
if (ddata->cfg.srst_udelay)