apm821xx: add support for kernel 5.10 for testing

This patch copies over refreshed patches from 5.4.

 - dropped crypto patches (they got upstreamed)

 - dropped renesas USB 3 firmware loader (they got upstreamed)

 - NAND now needs extra device-properties for ECC settings.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
This commit is contained in:
Christian Lamparter 2021-02-20 17:44:12 +01:00
parent ca14dfb06b
commit be23f9818a
15 changed files with 731 additions and 2 deletions

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@ -1653,6 +1653,11 @@ XHCI_MODULES := xhci-hcd xhci-pci xhci-plat-hcd
ifdef CONFIG_TARGET_ramips_mt7621
XHCI_MODULES += xhci-mtk
endif
ifndef CONFIG_LINUX_5_4
ifdef CONFIG_TARGET_apm821xx_nand
XHCI_MODULES += xhci-pci-renesas
endif
endif
XHCI_FILES := $(wildcard $(patsubst %,$(LINUX_DIR)/drivers/usb/host/%.ko,$(XHCI_MODULES)))
XHCI_AUTOLOAD := $(patsubst $(LINUX_DIR)/drivers/usb/host/%.ko,%,$(XHCI_FILES))
@ -1667,6 +1672,7 @@ define KernelPackage/usb3
CONFIG_USB_XHCI_PCI \
CONFIG_USB_XHCI_PLATFORM \
CONFIG_USB_XHCI_MTK \
CONFIG_USB_XHCI_PCI_RENESAS \
CONFIG_USB_XHCI_HCD_DEBUGGING=n
FILES:= \
$(XHCI_FILES)

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@ -10,6 +10,7 @@ FEATURES:=fpu dt gpio ramdisk squashfs usb
SUBTARGETS:=nand sata
KERNEL_PATCHVER:=5.4
KERNEL_TESTING_PATCHVER:=5.10
define Target/Description
Build images for AppliedMicro APM821xx based boards.

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@ -0,0 +1,286 @@
# CONFIG_40x is not set
CONFIG_44x=y
CONFIG_460EX=y
CONFIG_4xx=y
CONFIG_4xx_SOC=y
# CONFIG_ADVANCED_OPTIONS is not set
CONFIG_APM821xx=y
CONFIG_APOLLO3G=y
# CONFIG_ARCHES is not set
CONFIG_ARCH_32BIT_OFF_T=y
CONFIG_ARCH_DMA_ADDR_T_64BIT=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_KEEP_MEMBLOCK=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y
CONFIG_ARCH_MMAP_RND_BITS=11
CONFIG_ARCH_MMAP_RND_BITS_MAX=17
CONFIG_ARCH_MMAP_RND_BITS_MIN=11
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=17
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=11
CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ARCH_WEAK_RELEASE_ACQUIRE=y
CONFIG_AUDIT_ARCH=y
# CONFIG_BAMBOO is not set
# CONFIG_BLK_DEV_INITRD is not set
CONFIG_BLK_MQ_PCI=y
CONFIG_BLK_PM=y
CONFIG_BLUESTONE=y
CONFIG_BOOKE=y
CONFIG_BOOKE_WDT=y
# CONFIG_CANYONLANDS is not set
CONFIG_CLKDEV_LOOKUP=y
CONFIG_CLONE_BACKWARDS=y
CONFIG_CMDLINE="rootfstype=squashfs noinitrd"
CONFIG_CMDLINE_FROM_BOOTLOADER=y
CONFIG_COMMON_CLK=y
CONFIG_COMPAT_32BIT_TIME=y
CONFIG_CPU_BIG_ENDIAN=y
CONFIG_CRC16=y
# CONFIG_CRC32_SARWATE is not set
CONFIG_CRC32_SLICEBY8=y
CONFIG_CRYPTO_ACOMP2=y
CONFIG_CRYPTO_AEAD=y
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_AUTHENC=y
CONFIG_CRYPTO_CCM=y
CONFIG_CRYPTO_CFB=y
CONFIG_CRYPTO_CTR=y
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_DEV_PPC4XX=y
CONFIG_CRYPTO_DRBG=y
CONFIG_CRYPTO_DRBG_HMAC=y
CONFIG_CRYPTO_DRBG_MENU=y
CONFIG_CRYPTO_ECB=y
CONFIG_CRYPTO_ESSIV=y
CONFIG_CRYPTO_GCM=y
CONFIG_CRYPTO_GF128MUL=y
CONFIG_CRYPTO_GHASH=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_HMAC=y
CONFIG_CRYPTO_HW=y
CONFIG_CRYPTO_JITTERENTROPY=y
CONFIG_CRYPTO_LIB_SHA256=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
CONFIG_CRYPTO_MD5_PPC=y
CONFIG_CRYPTO_NULL=y
CONFIG_CRYPTO_NULL2=y
CONFIG_CRYPTO_OFB=y
CONFIG_CRYPTO_RNG=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_RNG_DEFAULT=y
CONFIG_CRYPTO_SEQIV=y
CONFIG_CRYPTO_SHA1_PPC=y
CONFIG_CRYPTO_SHA256=y
CONFIG_DATA_SHIFT=12
CONFIG_DEBUG_MISC=y
CONFIG_DMA_DIRECT_REMAP=y
CONFIG_DMA_REMAP=y
CONFIG_DTC=y
# CONFIG_E200 is not set
CONFIG_EARLY_PRINTK=y
# CONFIG_EBONY is not set
CONFIG_EDAC_ATOMIC_SCRUB=y
CONFIG_EDAC_SUPPORT=y
# CONFIG_EIGER is not set
CONFIG_EXTRA_TARGETS="uImage"
CONFIG_FIXED_PHY=y
CONFIG_FORCE_PCI=y
CONFIG_FREEZER=y
# CONFIG_FSL_LBC is not set
CONFIG_FW_CACHE=y
CONFIG_FW_LOADER_PAGED_BUF=y
CONFIG_GCC_PLUGINS=y
# CONFIG_GCC_PLUGIN_CYC_COMPLEXITY is not set
# CONFIG_GCC_PLUGIN_LATENT_ENTROPY is not set
# CONFIG_GCC_PLUGIN_RANDSTRUCT is not set
# CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF is not set
# CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL is not set
# CONFIG_GCC_PLUGIN_STRUCTLEAK_USER is not set
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_GENERIC_ATOMIC64=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_GENERIC_CPU=y
CONFIG_GENERIC_CPU_AUTOPROBE=y
CONFIG_GENERIC_EARLY_IOREMAP=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_MSI_IRQ=y
CONFIG_GENERIC_MSI_IRQ_DOMAIN=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_TIME_VSYSCALL=y
# CONFIG_GEN_RTC is not set
# CONFIG_GLACIER is not set
CONFIG_GPIOLIB=y
CONFIG_GPIO_GENERIC=y
CONFIG_GPIO_GENERIC_PLATFORM=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
CONFIG_HW_RANDOM=y
CONFIG_HW_RANDOM_PPC4XX=y
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_IBM_IIC=y
CONFIG_IBM_EMAC=y
CONFIG_IBM_EMAC_EMAC4=y
CONFIG_IBM_EMAC_POLL_WEIGHT=32
CONFIG_IBM_EMAC_RGMII=y
CONFIG_IBM_EMAC_RXB=128
CONFIG_IBM_EMAC_RX_COPY_THRESHOLD=256
CONFIG_IBM_EMAC_TAH=y
CONFIG_IBM_EMAC_TXB=128
# CONFIG_ICON is not set
CONFIG_ILLEGAL_POINTER_VALUE=0
CONFIG_IRQCHIP=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_DOMAIN_HIERARCHY=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_IRQ_WORK=y
CONFIG_ISA_DMA_API=y
# CONFIG_JFFS2_FS is not set
# CONFIG_KATMAI is not set
CONFIG_KERNEL_START=0xc0000000
CONFIG_LEDS_TRIGGER_MTD=y
CONFIG_LEDS_TRIGGER_PATTERN=y
CONFIG_LIBFDT=y
CONFIG_LOCK_DEBUGGING_SUPPORT=y
CONFIG_LOWMEM_SIZE=0x30000000
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
# CONFIG_MATH_EMULATION is not set
CONFIG_MDIO_BUS=y
CONFIG_MDIO_DEVICE=y
CONFIG_MEMFD_CREATE=y
CONFIG_MIGRATION=y
CONFIG_MMU_GATHER_PAGE_SIZE=y
CONFIG_MODULES_USE_ELF_RELA=y
CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS=y
CONFIG_MTD_CFI_ADV_OPTIONS=y
# CONFIG_MTD_CFI_GEOMETRY is not set
# CONFIG_MTD_SPLIT_SQUASHFS_ROOT is not set
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_PER_CPU_KM=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_NOT_COHERENT_CACHE=y
CONFIG_NO_HZ=y
CONFIG_NO_HZ_COMMON=y
CONFIG_NO_HZ_IDLE=y
CONFIG_NR_IRQS=512
CONFIG_NVMEM=y
CONFIG_NVMEM_SYSFS=y
CONFIG_OF=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_FLATTREE=y
CONFIG_OF_GPIO=y
CONFIG_OF_IRQ=y
CONFIG_OF_KOBJ=y
CONFIG_OF_MDIO=y
CONFIG_OF_NET=y
CONFIG_OLD_SIGACTION=y
CONFIG_OLD_SIGSUSPEND=y
CONFIG_PACKING=y
CONFIG_PAGE_OFFSET=0xc0000000
CONFIG_PCI=y
CONFIG_PCIEAER=y
CONFIG_PCIEPORTBUS=y
CONFIG_PCIE_PME=y
CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_MSI=y
CONFIG_PCI_MSI_ARCH_FALLBACKS=y
CONFIG_PCI_MSI_IRQ_DOMAIN=y
CONFIG_PGTABLE_LEVELS=2
CONFIG_PHYLIB=y
CONFIG_PHYSICAL_START=0x00000000
CONFIG_PHYS_64BIT=y
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_PM=y
# CONFIG_PMU_SYSFS is not set
CONFIG_PM_AUTOSLEEP=y
CONFIG_PM_CLK=y
CONFIG_PM_SLEEP=y
CONFIG_PM_WAKELOCKS=y
CONFIG_PM_WAKELOCKS_GC=y
CONFIG_PM_WAKELOCKS_LIMIT=100
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_PPC44x_SIMPLE=y
CONFIG_PPC4xx_CPM=y
CONFIG_PPC4xx_GPIO=y
CONFIG_PPC4xx_MSI=y
CONFIG_PPC4xx_PCI_EXPRESS=y
# CONFIG_PPC64 is not set
# CONFIG_PPC_47x is not set
# CONFIG_PPC_85xx is not set
# CONFIG_PPC_8xx is not set
CONFIG_PPC_ADV_DEBUG_DACS=2
CONFIG_PPC_ADV_DEBUG_DAC_RANGE=y
CONFIG_PPC_ADV_DEBUG_DVCS=2
CONFIG_PPC_ADV_DEBUG_IACS=4
CONFIG_PPC_ADV_DEBUG_REGS=y
# CONFIG_PPC_BOOK3S_6xx is not set
CONFIG_PPC_DCR=y
CONFIG_PPC_DCR_NATIVE=y
# CONFIG_PPC_EARLY_DEBUG is not set
CONFIG_PPC_FPU=y
CONFIG_PPC_INDIRECT_PCI=y
# CONFIG_PPC_IRQ_SOFT_MASK_DEBUG is not set
CONFIG_PPC_MMU_NOHASH=y
CONFIG_PPC_MMU_NOHASH_32=y
CONFIG_PPC_MSI_BITMAP=y
CONFIG_PPC_PAGE_SHIFT=12
# CONFIG_PPC_PTDUMP is not set
CONFIG_PPC_UDBG_16550=y
CONFIG_PPC_WERROR=y
CONFIG_PTE_64BIT=y
# CONFIG_RAINIER is not set
CONFIG_RAS=y
CONFIG_RATIONAL=y
CONFIG_RSEQ=y
# CONFIG_SAM440EP is not set
# CONFIG_SCOM_DEBUGFS is not set
# CONFIG_SEQUOIA is not set
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_FSL=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_SERIAL_MCTRL_GPIO=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_SGL_ALLOC=y
CONFIG_SPARSE_IRQ=y
CONFIG_SRCU=y
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
CONFIG_SWPHY=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
# CONFIG_TAISHAN is not set
CONFIG_TASK_SIZE=0xc0000000
CONFIG_THREAD_INFO_IN_TASK=y
CONFIG_THREAD_SHIFT=13
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_TINY_SRCU=y
CONFIG_USB_SUPPORT=y
CONFIG_VDSO32=y
# CONFIG_VIRTIO_MENU is not set
# CONFIG_VIRT_CPU_ACCOUNTING_NATIVE is not set
# CONFIG_WARP is not set
CONFIG_WATCHDOG_CORE=y
# CONFIG_XILINX_SYSACE is not set
CONFIG_XZ_DEC_BCJ=y
CONFIG_XZ_DEC_POWERPC=y
# CONFIG_YOSEMITE is not set
CONFIG_ZLIB_DEFLATE=y
CONFIG_ZLIB_INFLATE=y

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@ -233,7 +233,7 @@
status = "disabled";
};
ndfc@1,0 {
ndfc: ndfc@1,0 {
compatible = "ibm,ndfc";
reg = <00000003 00000000 00002000>;
ccr = <0x00001000>;
@ -241,6 +241,17 @@
status = "disabled";
nand {
/*
* These are the same fixed "MAGIC" values
* settings as in the drivers code.
* They are the same for all devices that
* have NAND.
*/
nand-ecc-engine = <&ndfc>;
nand-ecc-algo = "hamming";
nand-ecc-step-size = <256>;
nand-ecc-strength = <1>;
#address-cells = <1>;
#size-cells = <1>;
};

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@ -47,6 +47,8 @@
status = "okay";
/* 32 MiB NAND Flash */
nand {
nand-is-boot-medium;
partition@0 {
label = "u-boot";
reg = <0x00000000 0x00150000>;

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@ -50,6 +50,8 @@
ndfc@1,0 {
status = "okay";
nand {
nand-is-boot-medium;
partition@0 {
label = "u-boot";
reg = <0x00000000 0x00100000>;

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@ -36,6 +36,8 @@
status = "okay";
/* 32 MiB SLC NAND Flash */
nand {
nand-is-boot-medium;
partition@0 {
label = "u-boot";
reg = <0x00000000 0x00100000>;

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@ -173,10 +173,13 @@
};
&EBC0 {
ndfc@1,0 {
ndfc: ndfc@1,0 {
status = "okay";
/* 128 MiB Nand Flash */
nand {
nand-is-boot-medium;
partition0,0@0 {
label = "NAND 128MiB 3,3V 8-bit";
reg = <0x00000000 0x08000000>;

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@ -0,0 +1,30 @@
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -121,6 +121,17 @@ config CANYONLANDS
help
This option enables support for the AMCC PPC460EX evaluation board.
+config APOLLO3G
+ bool "Apollo3G"
+ depends on 44x
+ default n
+ select PPC44x_SIMPLE
+ select APM821xx
+ select IBM_EMAC_RGMII
+ select 460EX
+ help
+ This option enables support for the AMCC Apollo 3G board.
+
config GLACIER
bool "Glacier"
depends on 44x
--- a/arch/powerpc/platforms/44x/ppc44x_simple.c
+++ b/arch/powerpc/platforms/44x/ppc44x_simple.c
@@ -47,6 +47,7 @@ machine_device_initcall(ppc44x_simple, p
* board.c file for it rather than adding it to this list.
*/
static char *board[] __initdata = {
+ "amcc,apollo3g",
"amcc,arches",
"amcc,bamboo",
"apm,bluestone",

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@ -0,0 +1,51 @@
--- a/arch/powerpc/platforms/4xx/pci.c
+++ b/arch/powerpc/platforms/4xx/pci.c
@@ -1060,15 +1060,24 @@ static int __init apm821xx_pciex_init_po
u32 val;
/*
- * Do a software reset on PCIe ports.
- * This code is to fix the issue that pci drivers doesn't re-assign
- * bus number for PCIE devices after Uboot
- * scanned and configured all the buses (eg. PCIE NIC IntelPro/1000
- * PT quad port, SAS LSI 1064E)
+ * Only reset the PHY when no link is currently established.
+ * This is for the Atheros PCIe board which has problems to establish
+ * the link (again) after this PHY reset. All other currently tested
+ * PCIe boards don't show this problem.
*/
-
- mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x0);
- mdelay(10);
+ val = mfdcri(SDR0, port->sdr_base + PESDRn_LOOP);
+ if (!(val & 0x00001000)) {
+ /*
+ * Do a software reset on PCIe ports.
+ * This code is to fix the issue that pci drivers doesn't re-assign
+ * bus number for PCIE devices after Uboot
+ * scanned and configured all the buses (eg. PCIE NIC IntelPro/1000
+ * PT quad port, SAS LSI 1064E)
+ */
+
+ mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x0);
+ mdelay(10);
+ }
if (port->endpoint)
val = PTYPE_LEGACY_ENDPOINT << 20;
@@ -1085,9 +1094,12 @@ static int __init apm821xx_pciex_init_po
mtdcri(SDR0, PESDR0_460EX_L0DRV, 0x00000130);
mtdcri(SDR0, PESDR0_460EX_L0CLK, 0x00000006);
- mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x10000000);
- mdelay(50);
- mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x30000000);
+ val = mfdcri(SDR0, port->sdr_base + PESDRn_LOOP);
+ if (!(val & 0x00001000)) {
+ mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x10000000);
+ mdelay(50);
+ mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x30000000);
+ }
mtdcri(SDR0, port->sdr_base + PESDRn_RCSSET,
mfdcri(SDR0, port->sdr_base + PESDRn_RCSSET) |

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@ -0,0 +1,14 @@
--- a/arch/powerpc/platforms/4xx/pci.c
+++ b/arch/powerpc/platforms/4xx/pci.c
@@ -1902,9 +1902,9 @@ static void __init ppc4xx_configure_pcie
* if it works
*/
out_le32(mbase + PECFG_PIM0LAL, 0x00000000);
- out_le32(mbase + PECFG_PIM0LAH, 0x00000000);
+ out_le32(mbase + PECFG_PIM0LAH, 0x00000008);
out_le32(mbase + PECFG_PIM1LAL, 0x00000000);
- out_le32(mbase + PECFG_PIM1LAH, 0x00000000);
+ out_le32(mbase + PECFG_PIM1LAH, 0x0000000c);
out_le32(mbase + PECFG_PIM01SAH, 0xffff0000);
out_le32(mbase + PECFG_PIM01SAL, 0x00000000);

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@ -0,0 +1,53 @@
From a0dc613140bab907a3d5787a7ae7b0638bf674d0 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@gmail.com>
Date: Thu, 23 Jun 2016 20:28:20 +0200
Subject: [PATCH] usb: xhci: force MSI for uPD720201 and
uPD720202
The APM82181 does not support MSI-X. When probed, it will
produce a noisy warning.
---
drivers/usb/host/pci-quirks.c | 362 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 362 insertions(+)
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -260,6 +260,7 @@ static void xhci_pci_quirks(struct devic
pdev->device == 0x0015) {
xhci->quirks |= XHCI_RESET_ON_RESUME;
xhci->quirks |= XHCI_ZERO_64B_REGS;
+ xhci->quirks |= XHCI_FORCE_MSI;
}
if (pdev->vendor == PCI_VENDOR_ID_VIA)
xhci->quirks |= XHCI_RESET_ON_RESUME;
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -423,10 +423,14 @@ static int xhci_try_enable_msi(struct us
free_irq(hcd->irq, hcd);
hcd->irq = 0;
- ret = xhci_setup_msix(xhci);
- if (ret)
- /* fall back to msi*/
+ if (xhci->quirks & XHCI_FORCE_MSI) {
ret = xhci_setup_msi(xhci);
+ } else {
+ ret = xhci_setup_msix(xhci);
+ if (ret)
+ /* fall back to msi*/
+ ret = xhci_setup_msi(xhci);
+ }
if (!ret) {
hcd->msi_enabled = 1;
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1886,6 +1886,7 @@ struct xhci_hcd {
struct xhci_hub usb2_rhub;
struct xhci_hub usb3_rhub;
/* support xHCI 1.0 spec USB2 hardware LPM */
+#define XHCI_FORCE_MSI (1 << 24)
unsigned hw_lpm_support:1;
/* Broken Suspend flag for SNPS Suspend resume issue */
unsigned broken_suspend:1;

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@ -0,0 +1,65 @@
From 694f9bfb8efaef8a33e8992015ff9d0866faf4a2 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@gmail.com>
Date: Sun, 17 Dec 2017 17:27:15 +0100
Subject: [PATCH 1/2] hwmon: tc654 add detection routine
This patch adds a detection routine for the TC654/TC655
chips. Both IDs are listed in the Datasheet.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
---
drivers/hwmon/tc654.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
--- a/drivers/hwmon/tc654.c
+++ b/drivers/hwmon/tc654.c
@@ -55,6 +55,11 @@ enum tc654_regs {
/* Register data is read (and cached) at most once per second. */
#define TC654_UPDATE_INTERVAL HZ
+/* Manufacturer and Version Identification Register Values */
+#define TC654_MFR_ID_MICROCHIP 0x84
+#define TC654_VER_ID 0x00
+#define TC655_VER_ID 0x01
+
struct tc654_data {
struct i2c_client *client;
@@ -481,6 +486,29 @@ static const struct i2c_device_id tc654_
{}
};
+static int
+tc654_detect(struct i2c_client *new_client, struct i2c_board_info *info)
+{
+ struct i2c_adapter *adapter = new_client->adapter;
+ int manufacturer, product;
+
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -ENODEV;
+
+ manufacturer = i2c_smbus_read_byte_data(new_client, TC654_REG_MFR_ID);
+ if (manufacturer != TC654_MFR_ID_MICROCHIP)
+ return -ENODEV;
+
+ product = i2c_smbus_read_byte_data(new_client, TC654_REG_VER_ID);
+ if (!((product == TC654_VER_ID) || (product == TC655_VER_ID)))
+ return -ENODEV;
+
+ strlcpy(info->type, product == TC654_VER_ID ? "tc654" : "tc655",
+ I2C_NAME_SIZE);
+ return 0;
+}
+
+
MODULE_DEVICE_TABLE(i2c, tc654_id);
static struct i2c_driver tc654_driver = {
@@ -489,6 +517,7 @@ static struct i2c_driver tc654_driver =
},
.probe_new = tc654_probe,
.id_table = tc654_id,
+ .detect = tc654_detect,
};
module_i2c_driver(tc654_driver);

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@ -0,0 +1,174 @@
From 9cb27801b5cbad2e1aaf45aac428cb2fac5e1372 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@gmail.com>
Date: Sun, 17 Dec 2017 17:29:13 +0100
Subject: [PATCH] hwmon: tc654: add thermal_cooling device
This patch adds a thermaL_cooling device to the tc654 driver.
This allows the chip to be used for DT-based cooling.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
---
drivers/hwmon/tc654.c | 103 +++++++++++++++++++++++++++++++++++-------
1 file changed, 86 insertions(+), 17 deletions(-)
--- a/drivers/hwmon/tc654.c
+++ b/drivers/hwmon/tc654.c
@@ -15,6 +15,7 @@
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/slab.h>
+#include <linux/thermal.h>
#include <linux/util_macros.h>
enum tc654_regs {
@@ -132,6 +133,9 @@ struct tc654_data {
* writable register used to control the duty
* cycle of the V OUT output.
*/
+
+ /* optional cooling device */
+ struct thermal_cooling_device *cdev;
};
/* helper to grab and cache data, at most one time per second */
@@ -367,36 +371,30 @@ static ssize_t pwm_mode_store(struct dev
static const int tc654_pwm_map[16] = { 77, 88, 102, 112, 124, 136, 148, 160,
172, 184, 196, 207, 219, 231, 243, 255};
+static int get_pwm(struct tc654_data *data)
+{
+ if (data->config & TC654_REG_CONFIG_SDM)
+ return 0;
+ else
+ return tc654_pwm_map[data->duty_cycle];
+}
+
static ssize_t pwm_show(struct device *dev, struct device_attribute *da,
char *buf)
{
struct tc654_data *data = tc654_update_client(dev);
- int pwm;
if (IS_ERR(data))
return PTR_ERR(data);
- if (data->config & TC654_REG_CONFIG_SDM)
- pwm = 0;
- else
- pwm = tc654_pwm_map[data->duty_cycle];
-
- return sprintf(buf, "%d\n", pwm);
+ return sprintf(buf, "%d\n", get_pwm(data));
}
-static ssize_t pwm_store(struct device *dev, struct device_attribute *da,
- const char *buf, size_t count)
+static int _set_pwm(struct tc654_data *data, unsigned long val)
{
- struct tc654_data *data = dev_get_drvdata(dev);
struct i2c_client *client = data->client;
- unsigned long val;
int ret;
- if (kstrtoul(buf, 10, &val))
- return -EINVAL;
- if (val > 255)
- return -EINVAL;
-
mutex_lock(&data->update_lock);
if (val == 0)
@@ -416,6 +414,22 @@ static ssize_t pwm_store(struct device *
out:
mutex_unlock(&data->update_lock);
+ return ret;
+}
+
+static ssize_t pwm_store(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count)
+{
+ struct tc654_data *data = dev_get_drvdata(dev);
+ unsigned long val;
+ int ret;
+
+ if (kstrtoul(buf, 10, &val))
+ return -EINVAL;
+ if (val > 255)
+ return -EINVAL;
+
+ ret = _set_pwm(data, val);
return ret < 0 ? ret : count;
}
@@ -447,6 +461,47 @@ static struct attribute *tc654_attrs[] =
ATTRIBUTE_GROUPS(tc654);
+/* cooling device */
+
+static int tc654_get_max_state(struct thermal_cooling_device *cdev,
+ unsigned long *state)
+{
+ *state = 255;
+ return 0;
+}
+
+static int tc654_get_cur_state(struct thermal_cooling_device *cdev,
+ unsigned long *state)
+{
+ struct tc654_data *data = tc654_update_client(cdev->devdata);
+
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
+ *state = get_pwm(data);
+ return 0;
+}
+
+static int tc654_set_cur_state(struct thermal_cooling_device *cdev,
+ unsigned long state)
+{
+ struct tc654_data *data = tc654_update_client(cdev->devdata);
+
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
+ if (state > 255)
+ return -EINVAL;
+
+ return _set_pwm(data, state);
+}
+
+static const struct thermal_cooling_device_ops tc654_fan_cool_ops = {
+ .get_max_state = tc654_get_max_state,
+ .get_cur_state = tc654_get_cur_state,
+ .set_cur_state = tc654_set_cur_state,
+};
+
/*
* device probe and removal
*/
@@ -477,7 +532,21 @@ static int tc654_probe(struct i2c_client
hwmon_dev =
devm_hwmon_device_register_with_groups(dev, client->name, data,
tc654_groups);
- return PTR_ERR_OR_ZERO(hwmon_dev);
+ if (IS_ERR(hwmon_dev))
+ return PTR_ERR(hwmon_dev);
+
+#if IS_ENABLED(CONFIG_OF)
+ /* Optional cooling device register for Device tree platforms */
+ data->cdev = thermal_of_cooling_device_register(client->dev.of_node,
+ "tc654", hwmon_dev,
+ &tc654_fan_cool_ops);
+#else /* CONFIG_OF */
+ /* Optional cooling device register for non Device tree platforms */
+ data->cdev = thermal_cooling_device_register("tc654", hwmon_dev,
+ &tc654_fan_cool_ops);
+#endif /* CONFIG_OF */
+
+ return PTR_ERR_OR_ZERO(data->cdev);
}
static const struct i2c_device_id tc654_id[] = {

View File

@ -0,0 +1,29 @@
From c9395ad54e2cabb87d408becc37566f3d8248933 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@gmail.com>
Date: Sun, 1 Dec 2019 02:08:23 +0100
Subject: [PATCH] powerpc: bootwrapper: force gzip as mkimage's compression
method
Due to CONFIG_KERNEL_XZ symbol, the bootwrapper code tries to
instruct the mkimage to use the xz compression, which isn't
supported. This patch forces the gzip compression, which is
supported and doesn't matter because the generated uImage for
the apm821xx target gets ignored as the OpenWrt toolchain will
do separate U-Boot kernel images for each device individually.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
---
arch/powerpc/boot/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -250,7 +250,7 @@ compressor-$(CONFIG_KERNEL_LZO) := lzo
# args (to if_changed): 1 = (this rule), 2 = platform, 3 = dts 4=dtb 5=initrd
quiet_cmd_wrap = WRAP $@
- cmd_wrap =$(CONFIG_SHELL) $(wrapper) -Z $(compressor-y) -c -o $@ -p $2 \
+ cmd_wrap =$(CONFIG_SHELL) $(wrapper) -Z gzip -c -o $@ -p $2 \
$(CROSSWRAP) $(if $3, -s $3)$(if $4, -d $4)$(if $5, -i $5) \
vmlinux