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Add Support for Linux 6.6.30 (same patches a 4.9.80).

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Signed-off-by: Matthew Drobnak <matthew@drobnak.com>
This commit is contained in:
Matthew Drobnak 2024-05-27 15:34:02 +00:00
parent 75ccfe57d7
commit 0eb2b7f0b6
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GPG Key ID: 20C3618D656E7853
4 changed files with 73 additions and 0 deletions
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3
modules/linux
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@ -34,6 +34,9 @@ linux_hash := 40f014d53e81f204f6d2a364aae4201ae07970dd1b70dc602d7c66c1a140f558
else ifeq "$(CONFIG_LINUX_VERSION)" "6.1.8"
linux_version := 6.1.8
linux_hash := b60bb53ab8ba370a270454b11e93d41af29126fc72bd6ede517673e2e57b816d
else ifeq "$(CONFIG_LINUX_VERSION)" "6.6.30"
linux_version := 6.6.30
linux_hash := b66a5b863b0f8669448b74ca83bd641a856f164b29956e539bbcb5fdeeab9cc6
else
$(error "$(BOARD): does not specify linux kernel version under CONFIG_LINUX_VERSION")
endif

32
patches/linux-6.6.30/0001-fake-acpi.patch Normal file
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@ -0,0 +1,32 @@
diff --recursive -u ./clean/linux-4.9.80/drivers/acpi/acpica/evxfevnt.c linux-4.9.80/drivers/acpi/acpica/evxfevnt.c
--- ./clean/linux-4.9.80/drivers/acpi/acpica/evxfevnt.c 2018-02-03 11:05:43.000000000 -0500
+++ linux-4.9.80/drivers/acpi/acpica/evxfevnt.c 2018-02-07 15:51:28.786502597 -0500
@@ -111,6 +111,8 @@
}
ACPI_ERROR((AE_INFO, "Hardware did not enter ACPI mode"));
+printk("%s:%d faking ACPI mode\n", __func__, __LINE__);
+ return_ACPI_STATUS(AE_OK);
return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
}
diff --recursive -u ./clean/linux-4.9.80/drivers/acpi/acpica/hwacpi.c linux-4.9.80/drivers/acpi/acpica/hwacpi.c
--- ./clean/linux-4.9.80/drivers/acpi/acpica/hwacpi.c 2018-02-03 11:05:43.000000000 -0500
+++ linux-4.9.80/drivers/acpi/acpica/hwacpi.c 2018-02-07 15:51:35.126557868 -0500
@@ -168,12 +168,16 @@
status = acpi_read_bit_register(ACPI_BITREG_SCI_ENABLE, &value);
if (ACPI_FAILURE(status)) {
+printk("%s:%d faking ACPI mode\n", __func__, __LINE__);
+ return_UINT32(ACPI_SYS_MODE_ACPI);
return_UINT32(ACPI_SYS_MODE_LEGACY);
}
if (value) {
return_UINT32(ACPI_SYS_MODE_ACPI);
} else {
+//printk("%s:%d faking ACPI mode\n", __func__, __LINE__);
+// return_UINT32(ACPI_SYS_MODE_ACPI);
return_UINT32(ACPI_SYS_MODE_LEGACY);
}
}

20
patches/linux-6.6.30/0002-nmi-squelch.patch Normal file
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@ -0,0 +1,20 @@
diff --recursive -u ./clean/linux-4.9.80/arch/x86/kernel/nmi.c linux-4.9.80/arch/x86/kernel/nmi.c
--- ./clean/linux-4.9.80/arch/x86/kernel/nmi.c 2018-02-03 11:05:43.000000000 -0500
+++ linux-4.9.80/arch/x86/kernel/nmi.c 2018-02-07 18:56:10.475613884 -0500
@@ -303,6 +303,8 @@
__this_cpu_add(nmi_stats.unknown, 1);
+#if 0
+// qemu generates these for some reason
pr_emerg("Uhhuh. NMI received for unknown reason %02x on CPU %d.\n",
reason, smp_processor_id());
@@ -311,6 +313,7 @@
nmi_panic(regs, "NMI: Not continuing");
pr_emerg("Dazed and confused, but trying to continue\n");
+#endif
}
NOKPROBE_SYMBOL(unknown_nmi_error);

18
patches/linux-6.6.30/0010-winterfell-ahci.patch Normal file
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@ -0,0 +1,18 @@
diff --recursive -u ./clean/linux-4.9.80/drivers/ata/libahci.c linux-4.9.80/drivers/ata/libahci.c
--- ./clean/linux-4.9.80/drivers/ata/libahci.c 2018-02-03 11:05:43.000000000 -0500
+++ linux-4.9.80/drivers/ata/libahci.c 2018-02-07 18:02:32.526535910 -0500
@@ -537,8 +537,12 @@
}
/* fabricate port_map from cap.nr_ports for < AHCI 1.3 */
- if (!port_map && vers < 0x10300) {
- port_map = (1 << ahci_nr_ports(cap)) - 1;
+ if (!port_map) { // && vers < 0x10300) {
+ printk("%s: saved_port=%02x\n", __func__, hpriv->saved_port_map);
+ writel(0x1, mmio + HOST_PORTS_IMPL);
+ port_map = readl(mmio + HOST_PORTS_IMPL);
+
+ //port_map = (1 << ahci_nr_ports(cap)) - 1;
dev_warn(dev, "forcing PORTS_IMPL to 0x%lx\n", port_map);
/* write the fixed up value to the PI register */