From: "Jiaxun Yang" <jiaxun.yang@flygoat.com>
To: "Waldemar Brodkorb" <wbx@openadk.org>,
"linux-mips@vger.kernel.org" <linux-mips@vger.kernel.org>
Subject: Re: serial console on Mikrotik RB532 non-working
Date: Tue, 03 Feb 2026 15:28:18 +0000 [thread overview]
Message-ID: <1e9086c1-0cec-4aa7-aab6-e1e605dd9ebf@app.fastmail.com> (raw)
In-Reply-To: <f0413775-1a6f-49a6-841b-bf52214a2841@app.fastmail.com>
On Tue, 3 Feb 2026, at 3:24 PM, Jiaxun Yang wrote:
> On Sun, 1 Feb 2026, at 6:39 PM, Waldemar Brodkorb wrote:
>> Hi MIPS hackers,
>>
>> I want to use the latest Linux kernel on my Mikrotik RB532, but the
>> serial console is non working. I bisected the problem and the first
>> breaking change is this commit:
>
> Hi,
>
> Can you try this?
Oops sorry I missed a flag, it should be:
diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c
index 8ecb56be81ac..239018540221 100644
--- a/arch/mips/rb532/devices.c
+++ b/arch/mips/rb532/devices.c
@@ -213,11 +213,12 @@ static struct platform_device rb532_wdt = {
static struct plat_serial8250_port rb532_uart_res[] = {
{
.type = PORT_16550A,
- .membase = (char *)KSEG1ADDR(REGBASE + UART0BASE),
+ .mapbase = REGBASE + UART0BASE,
+ .mapsize = SZ_4K,
.irq = UART0_IRQ,
.regshift = 2,
.iotype = UPIO_MEM,
- .flags = UPF_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
},
{
.flags = 0,
Thanks
- Jiaxun
next prev parent reply other threads:[~2026-02-03 15:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-01 18:39 serial console on Mikrotik RB532 non-working Waldemar Brodkorb
2026-02-03 15:24 ` Jiaxun Yang
2026-02-03 15:28 ` Jiaxun Yang [this message]
2026-02-03 18:25 ` Waldemar Brodkorb
2026-02-04 10:14 ` Jonas Gorski
2026-02-04 11:19 ` Waldemar Brodkorb
2026-02-04 11:33 ` Jonas Gorski
2026-02-04 16:38 ` Waldemar Brodkorb
2026-02-05 6:27 ` Rong Zhang
2026-02-05 7:29 ` Waldemar Brodkorb
2026-02-21 9:23 ` Waldemar Brodkorb
2026-02-21 10:28 ` Maciej W. Rozycki
2026-02-21 16:08 ` Waldemar Brodkorb
2026-02-12 7:35 ` Waldemar Brodkorb
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