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bmips: update patches sent upstream

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Update bmips patches with the latest version sent upstream

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2023-03-16 19:16:11 +01:00
parent f08190e743
commit 8d0c254651
2 changed files with 42 additions and 20 deletions
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44
target/linux/bmips/patches-5.15/202-mips-bmips-BCM6358-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch
View File

@ -1,12 +1,13 @@
From 84c06b4a1dfa3e021fdbcafaff8cebfdec462402 Mon Sep 17 00:00:00 2001
From f48c93e4c4b5dbad1c0fbd623fd68f55f1667527 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Tue, 23 Feb 2021 10:39:48 +0100
Subject: [PATCH] mips: bmips: BCM6358: disable ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
Date: Fri, 10 Mar 2023 13:05:10 +0100
Subject: [PATCH] mips: bmips: BCM6358: disable arch_sync_dma_for_cpu_all() for
TP1
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Enabling this option causes kernel panics on BCM6358 with EHCI/OHCI:
arch_sync_dma_for_cpu_all() causes kernel panics on BCM6358 with EHCI/OHCI:
[ 3.881739] usb 1-1: new high-speed USB device number 2 using ehci-platform
[ 3.895011] Reserved instruction in kernel code[#1]:
[ 3.900113] CPU: 0 PID: 1 Comm: init Not tainted 5.10.16 #0
@ -45,27 +46,28 @@ Enabling this option causes kernel panics on BCM6358 with EHCI/OHCI:
[ 4.087374] Kernel panic - not syncing: Fatal exception
[ 4.092753] Rebooting in 1 seconds..
This only happens when booting from TP1 instead of TP0.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
arch/mips/bmips/dma.c
arch/mips/bmips/setup.c
arch/mips/bmips/dma.c | 5 +++++
arch/mips/bmips/setup.c | 9 +++++++++
2 files changed, 14 insertions(+)
--- a/arch/mips/bmips/dma.c
+++ b/arch/mips/bmips/dma.c
@@ -19,6 +19,8 @@
#include <linux/types.h>
#include <asm/bmips.h>
@@ -64,11 +64,16 @@ phys_addr_t dma_to_phys(struct device *d
return dma_addr;
}
+int bmips_dma_sync_enabled = 1;
+int bmips_dma_sync_disable = 0;
+
/*
* BCM338x has configurable address translation windows which allow the
* peripherals' DMA addresses to be different from the Zephyr-visible
@@ -69,6 +71,9 @@ void arch_sync_dma_for_cpu_all(void)
void arch_sync_dma_for_cpu_all(void)
{
void __iomem *cbr = BMIPS_GET_CBR();
u32 cfg;
+ if (!bmips_dma_sync_enabled)
+ if (bmips_dma_sync_disable)
+ return;
+
if (boot_cpu_type() != CPU_BMIPS3300 &&
@ -77,18 +79,22 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
#define DDR_CSEND_REG 0x8
+extern int bmips_dma_sync_enabled;
+extern int bmips_dma_sync_disable;
+
static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000;
struct bmips_cpufreq {
@@ -168,6 +170,9 @@ static void bcm6358_quirks(void)
@@ -168,6 +170,13 @@ static void bcm6358_quirks(void)
* disable SMP for now
*/
bmips_smp_enabled = 0;
+
+ /* ARCH_HAS_SYNC_DMA_FOR_CPU_ALL causes kernel panics on BCM6358 */
+ bmips_dma_sync_enabled = 0;
+ /*
+ * ARCH_HAS_SYNC_DMA_FOR_CPU_ALL causes kernel panics on BCM6358 when
+ * booting from TP1
+ */
+ if (read_c0_brcm_cmt_local() & (1 << 31))
+ bmips_dma_sync_disable = 1;
}
static void bcm6368_quirks(void)

18
target/linux/bmips/patches-5.15/501-net-dsa-b53-mmap-fix-enabled_ports.patch
View File

@ -1,3 +1,19 @@
From dadd7a1aa1eaebd5a03dee933c9051eae3724f00 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Thu, 9 Mar 2023 19:18:07 +0100
Subject: [PATCH] net: dsa: b53: mmap: fix device tree support
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
CPU port should also be enabled in order to get a working switch.
Fixes: a5538a777b73 ("net: dsa: b53: mmap: Add device tree support")
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
drivers/net/dsa/b53/b53_mmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/dsa/b53/b53_mmap.c
+++ b/drivers/net/dsa/b53/b53_mmap.c
@@ -263,7 +263,7 @@ static int b53_mmap_probe_of(struct plat
@ -5,7 +21,7 @@
continue;
- if (reg < B53_CPU_PORT)
+ if (reg <= B53_CPU_PORT)
+ if (reg < B53_N_PORTS)
pdata->enabled_ports |= BIT(reg);
}