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kernel: add pending bmips patches

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Add patches sent upstream for bmips and b53 and remove downstream ones.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2023-03-20 17:20:40 +01:00
parent 7801161c4b
commit fff07085fb
15 changed files with 1109 additions and 246 deletions
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7
target/linux/bmips/patches-5.15/200-mips-bmips-automatically-detect-CPU-frequency.patch
View File

@ -15,7 +15,7 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -31,11 +31,51 @@
@@ -31,13 +31,52 @@
#define RELO_NORMAL_VEC BIT(18)
@ -55,7 +55,8 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+#define REG_BCM63268_MISC_SB ((void __iomem *)CKSEG1ADDR(0x10001814))
+#define BCM63268_FCVO_SHIFT 21
+#define BCM63268_FCVO_MASK (0xf << BCM63268_FCVO_SHIFT)
+
extern bool bmips_rac_flush_disable;
static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000;
@ -67,7 +68,7 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
struct bmips_quirk {
const char *compatible;
void (*quirk_fn)(void);
@@ -134,17 +174,161 @@ const char *get_system_type(void)
@@ -142,17 +181,161 @@ const char *get_system_type(void)
return "Generic BMIPS kernel";
}

12
target/linux/bmips/patches-5.15/201-mips-bmips-automatically-detect-RAM-size.patch
View File

@ -50,12 +50,12 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
#define REG_BCM6368_DDR_PLLC ((void __iomem *)CKSEG1ADDR(0x100012a0))
#define BCM6368_PLLC_P1_SHIFT 0
#define BCM6368_PLLC_P1_MASK (0xf << BCM6368_PLLC_P1_SHIFT)
@@ -67,7 +73,21 @@
@@ -67,6 +73,21 @@
#define REG_BCM63268_MISC_SB ((void __iomem *)CKSEG1ADDR(0x10001814))
#define BCM63268_FCVO_SHIFT 21
#define BCM63268_FCVO_MASK (0xf << BCM63268_FCVO_SHIFT)
+#define BCM63268_MEMC_ADDR ((void __iomem *)CKSEG1ADDR(0x10003000))
+
+#define SDRAM_CFG_REG 0x0
+#define SDRAM_SPACE_SHIFT 4
+#define SDRAM_SPACE_MASK (0xf << SDRAM_SPACE_SHIFT)
@ -70,9 +70,9 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+
+#define DDR_CSEND_REG 0x8
static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000;
extern bool bmips_rac_flush_disable;
@@ -76,6 +96,11 @@ struct bmips_cpufreq {
@@ -77,6 +98,11 @@ struct bmips_cpufreq {
u32 (*cpu_freq)(void);
};
@ -84,7 +84,7 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
struct bmips_quirk {
const char *compatible;
void (*quirk_fn)(void);
@@ -333,9 +358,90 @@ void __init plat_time_init(void)
@@ -340,9 +366,90 @@ void __init plat_time_init(void)
mips_hpt_frequency = freq;
}
@ -175,7 +175,7 @@ Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
const struct bmips_quirk *q;
set_io_port_base(0);
@@ -353,6 +459,18 @@ void __init plat_mem_setup(void)
@@ -360,6 +467,18 @@ void __init plat_mem_setup(void)
__dt_setup_arch(dtb);

100
target/linux/bmips/patches-5.15/202-mips-bmips-BCM6358-disable-ARCH_HAS_SYNC_DMA_FOR_CPU_ALL.patch
View File

@ -1,100 +0,0 @@
From f48c93e4c4b5dbad1c0fbd623fd68f55f1667527 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
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
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
[ 3.905829] $ 0 : 00000000 10008700 00000000 77d94060
[ 3.911238] $ 4 : 7fd1f088 00000000 81431cac 81431ca0
[ 3.916641] $ 8 : 00000000 ffffefff 8075cd34 00000000
[ 3.922043] $12 : 806f8d40 f3e812b7 00000000 000d9aaa
[ 3.927446] $16 : 7fd1f068 7fd1f080 7ff559b8 81428470
[ 3.932848] $20 : 00000000 00000000 55590000 77d70000
[ 3.938251] $24 : 00000018 00000010
[ 3.943655] $28 : 81430000 81431e60 81431f28 800157fc
[ 3.949058] Hi : 00000000
[ 3.952013] Lo : 00000000
[ 3.955019] epc : 80015808 setup_sigcontext+0x54/0x24c
[ 3.960464] ra : 800157fc setup_sigcontext+0x48/0x24c
[ 3.965913] Status: 10008703 KERNEL EXL IE
[ 3.970216] Cause : 00800028 (ExcCode 0a)
[ 3.974340] PrId : 0002a010 (Broadcom BMIPS4350)
[ 3.979170] Modules linked in: ohci_platform ohci_hcd fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd gpio_button_hotplug usbcore nls_base usb_common
[ 3.992907] Process init (pid: 1, threadinfo=(ptrval), task=(ptrval), tls=77e22ec8)
[ 4.000776] Stack : 81431ef4 7fd1f080 81431f28 81428470 7fd1f068 81431edc 7ff559b8 81428470
[ 4.009467] 81431f28 7fd1f080 55590000 77d70000 77d5498c 80015c70 806f0000 8063ae74
[ 4.018149] 08100002 81431f28 0000000a 08100002 81431f28 0000000a 77d6b418 00000003
[ 4.026831] ffffffff 80016414 80080734 81431ecc 81431ecc 00000001 00000000 04000000
[ 4.035512] 77d54874 00000000 00000000 00000000 00000000 00000012 00000002 00000000
[ 4.044196] ...
[ 4.046706] Call Trace:
[ 4.049238] [<80015808>] setup_sigcontext+0x54/0x24c
[ 4.054356] [<80015c70>] setup_frame+0xdc/0x124
[ 4.059015] [<80016414>] do_notify_resume+0x1dc/0x288
[ 4.064207] [<80011b50>] work_notifysig+0x10/0x18
[ 4.069036]
[ 4.070538] Code: 8fc300b4 00001025 26240008 <ac820000> ac830004 3c048063 0c0228aa 24846a00 26240010
[ 4.080686]
[ 4.082517] ---[ end trace 22a8edb41f5f983b ]---
[ 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 | 5 +++++
arch/mips/bmips/setup.c | 9 +++++++++
2 files changed, 14 insertions(+)
--- a/arch/mips/bmips/dma.c
+++ b/arch/mips/bmips/dma.c
@@ -64,11 +64,16 @@ phys_addr_t dma_to_phys(struct device *d
return dma_addr;
}
+int bmips_dma_sync_disable = 0;
+
void arch_sync_dma_for_cpu_all(void)
{
void __iomem *cbr = BMIPS_GET_CBR();
u32 cfg;
+ if (bmips_dma_sync_disable)
+ return;
+
if (boot_cpu_type() != CPU_BMIPS3300 &&
boot_cpu_type() != CPU_BMIPS4350 &&
boot_cpu_type() != CPU_BMIPS4380)
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -89,6 +89,8 @@
#define DDR_CSEND_REG 0x8
+extern int bmips_dma_sync_disable;
+
static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000;
struct bmips_cpufreq {
@@ -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 when
+ * booting from TP1
+ */
+ if (read_c0_brcm_cmt_local() & (1 << 31))
+ bmips_dma_sync_disable = 1;
}
static void bcm6368_quirks(void)

0
target/linux/bmips/patches-5.15/220-mips-bmips-tweak-Kconfig-options.patch → target/linux/bmips/patches-5.15/202-mips-bmips-tweak-Kconfig-options.patch
View File

38
target/linux/bmips/patches-5.15/210-irqchip-bcm-6345-l1-request-memory-region.patch
View File

@ -1,38 +0,0 @@
From b5c07b7bceed9287647697408423acd08f97db73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Thu, 16 Mar 2023 18:42:41 +0100
Subject: [PATCH] irqchip/bcm-6345-l1: request memory region
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Request memory region in order to display it in /proc/iomem.
Also stop printing the MMIO address since it just displays (ptrval).
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
drivers/irqchip/irq-bcm6345-l1.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/irqchip/irq-bcm6345-l1.c
+++ b/drivers/irqchip/irq-bcm6345-l1.c
@@ -261,6 +261,9 @@ static int __init bcm6345_l1_init_one(st
if (!cpu->map_base)
return -ENOMEM;
+ if (!request_mem_region(res.start, sz, res.name))
+ pr_err("Failed to request intc memory");
+
for (i = 0; i < n_words; i++) {
cpu->enable_cache[i] = 0;
__raw_writel(0, cpu->map_base + reg_enable(intc, i));
@@ -339,8 +342,7 @@ static int __init bcm6345_l1_of_init(str
for_each_cpu(idx, &intc->cpumask) {
struct bcm6345_l1_cpu *cpu = intc->cpus[idx];
- pr_info(" CPU%u at MMIO 0x%p (irq = %d)\n", idx,
- cpu->map_base, cpu->parent_irq);
+ pr_info(" CPU%u (irq = %d)\n", idx, cpu->parent_irq);
}
return 0;

27
target/linux/bmips/patches-5.15/501-net-dsa-b53-mmap-fix-enabled_ports.patch
View File

@ -1,27 +0,0 @@
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
if (of_property_read_u32(of_port, "reg", &reg))
continue;
- if (reg < B53_CPU_PORT)
+ if (reg < B53_N_PORTS)
pdata->enabled_ports |= BIT(reg);
}

72
target/linux/bmips/patches-5.15/510-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch
View File

@ -1,72 +0,0 @@
From 32cf73d8c6485b7b97aca7e377a68436d09b7022 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Sun, 14 Mar 2021 20:03:44 +0100
Subject: [PATCH] net: dsa: b53: add support for BCM63xx RGMIIs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
drivers/net/dsa/b53/b53_common.c | 37 ++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1209,6 +1209,36 @@ static void b53_force_port_config(struct
b53_write8(dev, B53_CTRL_PAGE, off, reg);
}
+static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port,
+ phy_interface_t interface)
+{
+ struct b53_device *dev = ds->priv;
+ u8 rgmii_ctrl = 0, off;
+
+ if (port == 8)
+ off = B53_RGMII_CTRL_IMP;
+ else
+ off = B53_RGMII_CTRL_P(port);
+
+ b53_read8(dev, B53_CTRL_PAGE, off, &rgmii_ctrl);
+
+ rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC);
+ if (interface == PHY_INTERFACE_MODE_RGMII_ID)
+ rgmii_ctrl |= (RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC);
+ else if (interface == PHY_INTERFACE_MODE_RGMII_RXID)
+ rgmii_ctrl |= RGMII_CTRL_DLL_RXC;
+ else if (interface == PHY_INTERFACE_MODE_RGMII_TXID)
+ rgmii_ctrl |= RGMII_CTRL_DLL_TXC;
+
+ if (port != B53_CPU_PORT)
+ rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII;
+
+ b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);
+
+ dev_info(ds->dev, "Configured port %d for %s\n", port,
+ phy_modes(interface));
+}
+
static void b53_adjust_link(struct dsa_switch *ds, int port,
struct phy_device *phydev)
{
@@ -1235,6 +1265,9 @@ static void b53_adjust_link(struct dsa_s
tx_pause, rx_pause);
b53_force_link(dev, port, phydev->link);
+ if (is63xx(dev))
+ b53_adjust_63xx_rgmii(ds, port, phydev->interface);
+
if (is531x5(dev) && phy_interface_is_rgmii(phydev)) {
if (port == dev->imp_port)
off = B53_RGMII_CTRL_IMP;
@@ -1419,6 +1452,9 @@ void b53_phylink_mac_link_up(struct dsa_
{
struct b53_device *dev = ds->priv;
+ if (is63xx(dev) && port >= 4)
+ b53_adjust_63xx_rgmii(ds, port, interface);
+
if (mode == MLO_AN_PHY)
return;

180
target/linux/generic/pending-5.15/350-mips-bmips-BCM6358-disable-RAC-flush-for-TP1.patch Normal file
View File

@ -0,0 +1,180 @@
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From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
To: f.fainelli@gmail.com, jonas.gorski@gmail.com,
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Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
Subject: [PATCH v3] mips: bmips: BCM6358: disable RAC flush for TP1
Date: Fri, 17 Mar 2023 11:20:04 +0100
Message-Id: <20230317102004.235879-1-noltari@gmail.com>
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RAC flush causes kernel panics on BCM6358 with EHCI/OHCI when booting from TP1:
[ 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
[ 3.905829] $ 0 : 00000000 10008700 00000000 77d94060
[ 3.911238] $ 4 : 7fd1f088 00000000 81431cac 81431ca0
[ 3.916641] $ 8 : 00000000 ffffefff 8075cd34 00000000
[ 3.922043] $12 : 806f8d40 f3e812b7 00000000 000d9aaa
[ 3.927446] $16 : 7fd1f068 7fd1f080 7ff559b8 81428470
[ 3.932848] $20 : 00000000 00000000 55590000 77d70000
[ 3.938251] $24 : 00000018 00000010
[ 3.943655] $28 : 81430000 81431e60 81431f28 800157fc
[ 3.949058] Hi : 00000000
[ 3.952013] Lo : 00000000
[ 3.955019] epc : 80015808 setup_sigcontext+0x54/0x24c
[ 3.960464] ra : 800157fc setup_sigcontext+0x48/0x24c
[ 3.965913] Status: 10008703 KERNEL EXL IE
[ 3.970216] Cause : 00800028 (ExcCode 0a)
[ 3.974340] PrId : 0002a010 (Broadcom BMIPS4350)
[ 3.979170] Modules linked in: ohci_platform ohci_hcd fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd gpio_button_hotplug usbcore nls_base usb_common
[ 3.992907] Process init (pid: 1, threadinfo=(ptrval), task=(ptrval), tls=77e22ec8)
[ 4.000776] Stack : 81431ef4 7fd1f080 81431f28 81428470 7fd1f068 81431edc 7ff559b8 81428470
[ 4.009467] 81431f28 7fd1f080 55590000 77d70000 77d5498c 80015c70 806f0000 8063ae74
[ 4.018149] 08100002 81431f28 0000000a 08100002 81431f28 0000000a 77d6b418 00000003
[ 4.026831] ffffffff 80016414 80080734 81431ecc 81431ecc 00000001 00000000 04000000
[ 4.035512] 77d54874 00000000 00000000 00000000 00000000 00000012 00000002 00000000
[ 4.044196] ...
[ 4.046706] Call Trace:
[ 4.049238] [<80015808>] setup_sigcontext+0x54/0x24c
[ 4.054356] [<80015c70>] setup_frame+0xdc/0x124
[ 4.059015] [<80016414>] do_notify_resume+0x1dc/0x288
[ 4.064207] [<80011b50>] work_notifysig+0x10/0x18
[ 4.069036]
[ 4.070538] Code: 8fc300b4 00001025 26240008 <ac820000> ac830004 3c048063 0c0228aa 24846a00 26240010
[ 4.080686]
[ 4.082517] ---[ end trace 22a8edb41f5f983b ]---
[ 4.087374] Kernel panic - not syncing: Fatal exception
[ 4.092753] Rebooting in 1 seconds..
Because the bootloader (CFE) is not initializing the Read-ahead cache properly
on the second thread (TP1). Since the RAC was not initialized properly, we
should avoid flushing it at the risk of corrupting the instruction stream as
seen in the trace above.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
v3: add changes suggested by Florian:
- Switch to a bool and remove unneeded initialization.
- Remove if from bcm6358_quirks().
- Improve commit description and bcm6358_quirks() comment.
v2: check if we're running on TP1 and invert logic.
arch/mips/bmips/dma.c | 5 +++++
arch/mips/bmips/setup.c | 8 ++++++++
2 files changed, 13 insertions(+)
--- a/arch/mips/bmips/dma.c
+++ b/arch/mips/bmips/dma.c
@@ -64,6 +64,8 @@ phys_addr_t dma_to_phys(struct device *d
return dma_addr;
}
+bool bmips_rac_flush_disable;
+
void arch_sync_dma_for_cpu_all(void)
{
void __iomem *cbr = BMIPS_GET_CBR();
@@ -74,6 +76,9 @@ void arch_sync_dma_for_cpu_all(void)
boot_cpu_type() != CPU_BMIPS4380)
return;
+ if (unlikely(bmips_rac_flush_disable))
+ return;
+
/* Flush stale data out of the readahead cache */
cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG);
__raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG);
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -34,6 +34,8 @@
#define REG_BCM6328_OTP ((void __iomem *)CKSEG1ADDR(0x1000062c))
#define BCM6328_TP1_DISABLED BIT(9)
+extern bool bmips_rac_flush_disable;
+
static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000;
struct bmips_quirk {
@@ -103,6 +105,12 @@ static void bcm6358_quirks(void)
* disable SMP for now
*/
bmips_smp_enabled = 0;
+
+ /*
+ * RAC flush causes kernel panics on BCM6358 when booting from TP1
+ * because the bootloader is not initializing it properly.
+ */
+ bmips_rac_flush_disable = !!(read_c0_brcm_cmt_local() & (1 << 31));
}
static void bcm6368_quirks(void)

113
target/linux/generic/pending-5.15/351-irqchip-bcm-6345-l1-request-memory-region.patch Normal file
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@ -0,0 +1,113 @@
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From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
To: f.fainelli@gmail.com, jonas.gorski@gmail.com,
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Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
Subject: [PATCH v2] irqchip/bcm-6345-l1: request memory region
Date: Thu, 16 Mar 2023 20:28:33 +0100
Message-Id: <20230316192833.1603149-1-noltari@gmail.com>
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Request memory region in order to display it in /proc/iomem.
Also stop printing the MMIO address since it just displays (ptrval).
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
---
v2: request memory region and stop displaying MMIO address.
drivers/irqchip/irq-bcm6345-l1.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/irqchip/irq-bcm6345-l1.c
+++ b/drivers/irqchip/irq-bcm6345-l1.c
@@ -261,6 +261,9 @@ static int __init bcm6345_l1_init_one(st
if (!cpu->map_base)
return -ENOMEM;
+ if (!request_mem_region(res.start, sz, res.name))
+ pr_err("failed to request intc memory");
+
for (i = 0; i < n_words; i++) {
cpu->enable_cache[i] = 0;
__raw_writel(0, cpu->map_base + reg_enable(intc, i));
@@ -339,8 +342,7 @@ static int __init bcm6345_l1_of_init(str
for_each_cpu(idx, &intc->cpumask) {
struct bcm6345_l1_cpu *cpu = intc->cpus[idx];
- pr_info(" CPU%u at MMIO 0x%p (irq = %d)\n", idx,
- cpu->map_base, cpu->parent_irq);
+ pr_info(" CPU%u (irq = %d)\n", idx, cpu->parent_irq);
}
return 0;

104
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From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
To: f.fainelli@gmail.com, jonas.gorski@gmail.com, andrew@lunn.ch,
olteanv@gmail.com, davem@davemloft.net, edumazet@google.com,
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Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
Subject: [PATCH v2] net: dsa: b53: mmap: fix device tree support
Date: Thu, 16 Mar 2023 18:28:07 +0100
Message-Id: <20230316172807.460146-1-noltari@gmail.com>
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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>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
---
v2: switch to B53_N_PORTS
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
if (of_property_read_u32(of_port, "reg", &reg))
continue;
- if (reg < B53_CPU_PORT)
+ if (reg < B53_N_PORTS)
pdata->enabled_ports |= BIT(reg);
}

140
target/linux/generic/pending-5.15/771-net-dsa-tag_brcm-legacy-fix-daisy-chained-switches.patch Normal file
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From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
To: andrew@lunn.ch, f.fainelli@gmail.com, jonas.gorski@gmail.com,
olteanv@gmail.com, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>,
Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Subject: [PATCH v2] net: dsa: tag_brcm: legacy: fix daisy-chained switches
Date: Sun, 19 Mar 2023 10:55:40 +0100
Message-Id: <20230319095540.239064-1-noltari@gmail.com>
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When BCM63xx internal switches are connected to switches with a 4-byte
Broadcom tag, it does not identify the packet as VLAN tagged, so it adds one
based on its PVID (which is likely 0).
Right now, the packet is received by the BCM63xx internal switch and the 6-byte
tag is properly processed. The next step would to decode the corresponding
4-byte tag. However, the internal switch adds an invalid VLAN tag after the
6-byte tag and the 4-byte tag handling fails.
In order to fix this we need to remove the invalid VLAN tag after the 6-byte
tag before passing it to the 4-byte tag decoding.
Fixes: 964dbf186eaa ("net: dsa: tag_brcm: add support for legacy tags")
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
---
v2: add missing fixes tag.
net/dsa/tag_brcm.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -7,6 +7,7 @@
#include <linux/dsa/brcm.h>
#include <linux/etherdevice.h>
+#include <linux/if_vlan.h>
#include <linux/list.h>
#include <linux/slab.h>
@@ -248,6 +249,7 @@ static struct sk_buff *brcm_leg_tag_xmit
static struct sk_buff *brcm_leg_tag_rcv(struct sk_buff *skb,
struct net_device *dev)
{
+ int len = BRCM_LEG_TAG_LEN;
int source_port;
u8 *brcm_tag;
@@ -262,12 +264,16 @@ static struct sk_buff *brcm_leg_tag_rcv(
if (!skb->dev)
return NULL;
+ /* VLAN tag is added by BCM63xx internal switch */
+ if (netdev_uses_dsa(skb->dev))
+ len += VLAN_HLEN;
+
/* Remove Broadcom tag and update checksum */
- skb_pull_rcsum(skb, BRCM_LEG_TAG_LEN);
+ skb_pull_rcsum(skb, len);
dsa_default_offload_fwd_mark(skb);
- dsa_strip_etype_header(skb, BRCM_LEG_TAG_LEN);
+ dsa_strip_etype_header(skb, len);
return skb;
}

174
target/linux/generic/pending-5.15/772-net-dsa-b53-add-support-for-BCM63xx-RGMIIs.patch Normal file
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@ -0,0 +1,174 @@
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From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
To: f.fainelli@gmail.com, jonas.gorski@gmail.com, andrew@lunn.ch,
olteanv@gmail.com, davem@davemloft.net, edumazet@google.com,
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linux-kernel@vger.kernel.org
Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
Subject: [PATCH v2] net: dsa: b53: add support for BCM63xx RGMIIs
Date: Sun, 19 Mar 2023 23:08:05 +0100
Message-Id: <20230319220805.124024-1-noltari@gmail.com>
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BCM63xx RGMII ports require additional configuration in order to work.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
v2: add changes suggested by Andrew:
- Use a switch statement.
- Use dev_dbg() instead of dev_info().
drivers/net/dsa/b53/b53_common.c | 46 ++++++++++++++++++++++++++++++++
drivers/net/dsa/b53/b53_priv.h | 1 +
2 files changed, 47 insertions(+)
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1209,6 +1209,46 @@ static void b53_force_port_config(struct
b53_write8(dev, B53_CTRL_PAGE, off, reg);
}
+static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port,
+ phy_interface_t interface)
+{
+ struct b53_device *dev = ds->priv;
+ u8 rgmii_ctrl = 0, off;
+
+ if (port == dev->imp_port)
+ off = B53_RGMII_CTRL_IMP;
+ else
+ off = B53_RGMII_CTRL_P(port);
+
+ b53_read8(dev, B53_CTRL_PAGE, off, &rgmii_ctrl);
+
+ switch (interface) {
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ rgmii_ctrl |= (RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC);
+ break;
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ rgmii_ctrl &= ~(RGMII_CTRL_DLL_TXC);
+ rgmii_ctrl |= RGMII_CTRL_DLL_RXC;
+ break;
+ case PHY_INTERFACE_MODE_RGMII_TXID:
+ rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC);
+ rgmii_ctrl |= RGMII_CTRL_DLL_TXC;
+ break;
+ case PHY_INTERFACE_MODE_RGMII:
+ default:
+ rgmii_ctrl &= ~(RGMII_CTRL_DLL_RXC | RGMII_CTRL_DLL_TXC);
+ break;
+ }
+
+ if (port != dev->imp_port)
+ rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII;
+
+ b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);
+
+ dev_dbg(ds->dev, "Configured port %d for %s\n", port,
+ phy_modes(interface));
+}
+
static void b53_adjust_link(struct dsa_switch *ds, int port,
struct phy_device *phydev)
{
@@ -1235,6 +1275,9 @@ static void b53_adjust_link(struct dsa_s
tx_pause, rx_pause);
b53_force_link(dev, port, phydev->link);
+ if (is63xx(dev) && port >= B53_63XX_RGMII0)
+ b53_adjust_63xx_rgmii(ds, port, phydev->interface);
+
if (is531x5(dev) && phy_interface_is_rgmii(phydev)) {
if (port == dev->imp_port)
off = B53_RGMII_CTRL_IMP;
@@ -1396,6 +1439,9 @@ void b53_phylink_mac_link_down(struct ds
{
struct b53_device *dev = ds->priv;
+ if (is63xx(dev) && port >= B53_63XX_RGMII0)
+ b53_adjust_63xx_rgmii(ds, port, interface);
+
if (mode == MLO_AN_PHY)
return;
--- a/drivers/net/dsa/b53/b53_priv.h
+++ b/drivers/net/dsa/b53/b53_priv.h
@@ -206,6 +206,7 @@ static inline int is58xx(struct b53_devi
dev->chip_id == BCM7278_DEVICE_ID;
}
+#define B53_63XX_RGMII0 4
#define B53_CPU_PORT_25 5
#define B53_CPU_PORT 8

105
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From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
To: f.fainelli@gmail.com, andrew@lunn.ch, olteanv@gmail.com,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, robh+dt@kernel.org,
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Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
Subject: [PATCH 2/4] net: dsa: b53: mmap: add more BCM63xx SoCs
Date: Mon, 20 Mar 2023 16:50:22 +0100
Message-Id: <20230320155024.164523-3-noltari@gmail.com>
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BCM6318, BCM6362 and BCM63268 are SoCs with a B53 MMAP switch.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
drivers/net/dsa/b53/b53_mmap.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/net/dsa/b53/b53_mmap.c
+++ b/drivers/net/dsa/b53/b53_mmap.c
@@ -333,8 +333,11 @@ static void b53_mmap_shutdown(struct pla
static const struct of_device_id b53_mmap_of_table[] = {
{ .compatible = "brcm,bcm3384-switch" },
+ { .compatible = "brcm,bcm6318-switch" },
{ .compatible = "brcm,bcm6328-switch" },
+ { .compatible = "brcm,bcm6362-switch" },
{ .compatible = "brcm,bcm6368-switch" },
+ { .compatible = "brcm,bcm63268-switch" },
{ .compatible = "brcm,bcm63xx-switch" },
{ /* sentinel */ },
};

166
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From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
To: f.fainelli@gmail.com, andrew@lunn.ch, olteanv@gmail.com,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, robh+dt@kernel.org,
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Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
Subject: [PATCH 3/4] net: dsa: b53: mmap: allow passing a chip ID
Date: Mon, 20 Mar 2023 16:50:23 +0100
Message-Id: <20230320155024.164523-4-noltari@gmail.com>
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BCM63268 SoCs require a special handling for their RGMIIs, so we should be
able to identify them as a special BCM63xx switch.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
drivers/net/dsa/b53/b53_mmap.c | 32 +++++++++++++++++++++++---------
drivers/net/dsa/b53/b53_priv.h | 9 ++++++++-
2 files changed, 31 insertions(+), 10 deletions(-)
--- a/drivers/net/dsa/b53/b53_mmap.c
+++ b/drivers/net/dsa/b53/b53_mmap.c
@@ -248,7 +248,7 @@ static int b53_mmap_probe_of(struct plat
return -ENOMEM;
pdata->regs = mem;
- pdata->chip_id = BCM63XX_DEVICE_ID;
+ pdata->chip_id = (u32)device_get_match_data(dev);
pdata->big_endian = of_property_read_bool(np, "big-endian");
of_ports = of_get_child_by_name(np, "ports");
@@ -332,14 +332,28 @@ static void b53_mmap_shutdown(struct pla
}
static const struct of_device_id b53_mmap_of_table[] = {
- { .compatible = "brcm,bcm3384-switch" },
- { .compatible = "brcm,bcm6318-switch" },
- { .compatible = "brcm,bcm6328-switch" },
- { .compatible = "brcm,bcm6362-switch" },
- { .compatible = "brcm,bcm6368-switch" },
- { .compatible = "brcm,bcm63268-switch" },
- { .compatible = "brcm,bcm63xx-switch" },
- { /* sentinel */ },
+ {
+ .compatible = "brcm,bcm3384-switch",
+ .data = (void *)BCM63XX_DEVICE_ID,
+ }, {
+ .compatible = "brcm,bcm6318-switch",
+ .data = (void *)BCM63XX_DEVICE_ID,
+ }, {
+ .compatible = "brcm,bcm6328-switch",
+ .data = (void *)BCM63XX_DEVICE_ID,
+ }, {
+ .compatible = "brcm,bcm6362-switch",
+ .data = (void *)BCM63XX_DEVICE_ID,
+ }, {
+ .compatible = "brcm,bcm6368-switch",
+ .data = (void *)BCM63XX_DEVICE_ID,
+ }, {
+ .compatible = "brcm,bcm63268-switch",
+ .data = (void *)BCM63268_DEVICE_ID,
+ }, {
+ .compatible = "brcm,bcm63xx-switch",
+ .data = (void *)BCM63XX_DEVICE_ID,
+ }, { /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, b53_mmap_of_table);
--- a/drivers/net/dsa/b53/b53_priv.h
+++ b/drivers/net/dsa/b53/b53_priv.h
@@ -75,6 +75,7 @@ enum {
BCM53125_DEVICE_ID = 0x53125,
BCM53128_DEVICE_ID = 0x53128,
BCM63XX_DEVICE_ID = 0x6300,
+ BCM63268_DEVICE_ID = 0x63268,
BCM53010_DEVICE_ID = 0x53010,
BCM53011_DEVICE_ID = 0x53011,
BCM53012_DEVICE_ID = 0x53012,
@@ -186,7 +187,13 @@ static inline int is531x5(struct b53_dev
static inline int is63xx(struct b53_device *dev)
{
- return dev->chip_id == BCM63XX_DEVICE_ID;
+ return dev->chip_id == BCM63XX_DEVICE_ID ||
+ dev->chip_id == BCM63268_DEVICE_ID;
+}
+
+static inline int is63268(struct b53_device *dev)
+{
+ return dev->chip_id == BCM63268_DEVICE_ID;
}
static inline int is5301x(struct b53_device *dev)

117
target/linux/generic/pending-5.15/775-net-dsa-b53-add-BCM63268-RGMII-configuration.patch Normal file
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From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
To: f.fainelli@gmail.com, andrew@lunn.ch, olteanv@gmail.com,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, robh+dt@kernel.org,
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Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
Subject: [PATCH 4/4] net: dsa: b53: add BCM63268 RGMII configuration
Date: Mon, 20 Mar 2023 16:50:24 +0100
Message-Id: <20230320155024.164523-5-noltari@gmail.com>
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BCM63268 requires special RGMII configuration to work.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
drivers/net/dsa/b53/b53_common.c | 6 +++++-
drivers/net/dsa/b53/b53_regs.h | 1 +
2 files changed, 6 insertions(+), 1 deletion(-)
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1240,8 +1240,12 @@ static void b53_adjust_63xx_rgmii(struct
break;
}
- if (port != dev->imp_port)
+ if (port != dev->imp_port) {
+ if (is63268(dev))
+ rgmii_ctrl |= RGMII_CTRL_MII_OVERRIDE;
+
rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII;
+ }
b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);
--- a/drivers/net/dsa/b53/b53_regs.h
+++ b/drivers/net/dsa/b53/b53_regs.h
@@ -138,6 +138,7 @@
#define B53_RGMII_CTRL_IMP 0x60
#define RGMII_CTRL_ENABLE_GMII BIT(7)
+#define RGMII_CTRL_MII_OVERRIDE BIT(6)
#define RGMII_CTRL_TIMING_SEL BIT(2)
#define RGMII_CTRL_DLL_RXC BIT(1)
#define RGMII_CTRL_DLL_TXC BIT(0)