From f5919b65d4c671fd5083838c7a445f319f9a13c8 Mon Sep 17 00:00:00 2001 From: Stijn Tintel Date: Sat, 10 Nov 2018 13:03:18 +0200 Subject: brcm2708: add kernel 4.14 support Patch generation process: - rebase rpi/rpi-4.14.y on v4.14.89 from linux-stable - git format-patch v4.14.89 Patches skipped during rebase: - lan78xx: Read MAC address from DT if present - lan78xx: Enable LEDs and auto-negotiation - Revert "softirq: Let ksoftirqd do its job" - sc16is7xx: Fix for multi-channel stall - lan78xx: Ignore DT MAC address if already valid - lan78xx: Simple patch to prevent some crashes - tcp_write_queue_purge clears all the SKBs in the write queue - Revert "lan78xx: Simple patch to prevent some crashes" - lan78xx: Connect phy early - Arm: mm: ftrace: Only set text back to ro after kernel has been marked ro - Revert "Revert "softirq: Let ksoftirqd do its job"" - ASoC: cs4265: SOC_SINGLE register value error fix - Revert "ASoC: cs4265: SOC_SINGLE register value error fix" - Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends" - Revert "Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends"" Patches dropped after rebase: - net: Add non-mainline source for rtl8192cu wlan - net: Fix rtl8192cu build errors on other platforms - brcm: adds support for BCM43341 wifi - brcmfmac: Mute expected startup 'errors' - ARM64: Fix build break for RTL8187/RTL8192CU wifi - ARM64: Enable RTL8187/RTL8192CU wifi in build config - This is the driver for Sony CXD2880 DVB-T2/T tuner + demodulator - brcmfmac: add CLM download support - brcmfmac: request_firmware_direct is quieter - Sets the BCDC priority to constant 0 - brcmfmac: Disable ARP offloading when promiscuous - brcmfmac: Avoid possible out-of-bounds read - brcmfmac: Delete redundant length check - net: rtl8192cu: Normalize indentation - net: rtl8192cu: Fix implicit fallthrough warnings - Revert "Sets the BCDC priority to constant 0" - media: cxd2880: Bump to match 4.18.y version - media: cxd2880-spi: Bump to match 4.18.y version - Revert "mm: alloc_contig: re-allow CMA to compact FS pages" - Revert "Revert "mm: alloc_contig: re-allow CMA to compact FS pages"" - cxd2880: CXD2880_SPI_DRV should select DVB_CXD2880 with MEDIA_SUBDRV_AUTOSELECT - 950-0421-HID-hid-bigbenff-driver-for-BigBen-Interactive-PS3OF.patch - 950-0453-Add-hid-bigbenff-to-list-of-have_special_driver-for-.patch Make I2C built-in instead of modular as in upstream defconfig; also the easiest way to get MFD_ARIZONA enabled, which is required by kmod-sound-soc-rpi-cirrus. Add missing compatible strings from 4.9/960-add-rasbperrypi-compatible.patch, using upstream names for compute modules. Add extra patch to enable the LEDs on lan78xx. Compile-tested: bcm2708, bcm2709, bcm2710 (with CONFIG_ALL_KMODS=y) Runtime-tested: bcm2708, bcm2710 Signed-off-by: Stijn Tintel --- ...-irqchip-irq-bcm2835-Add-2836-FIQ-support.patch | 99 ++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 target/linux/brcm2708/patches-4.14/950-0009-irqchip-irq-bcm2835-Add-2836-FIQ-support.patch (limited to 'target/linux/brcm2708/patches-4.14/950-0009-irqchip-irq-bcm2835-Add-2836-FIQ-support.patch') diff --git a/target/linux/brcm2708/patches-4.14/950-0009-irqchip-irq-bcm2835-Add-2836-FIQ-support.patch b/target/linux/brcm2708/patches-4.14/950-0009-irqchip-irq-bcm2835-Add-2836-FIQ-support.patch new file mode 100644 index 0000000000..87fd157b41 --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0009-irqchip-irq-bcm2835-Add-2836-FIQ-support.patch @@ -0,0 +1,99 @@ +From 1d8af4d16ff95154c134b060900aefac133c50b6 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= +Date: Fri, 23 Oct 2015 16:26:55 +0200 +Subject: [PATCH 009/454] irqchip: irq-bcm2835: Add 2836 FIQ support +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: Noralf Trønnes +--- + drivers/irqchip/irq-bcm2835.c | 43 +++++++++++++++++++++++++++++++++-- + 1 file changed, 41 insertions(+), 2 deletions(-) + +--- a/drivers/irqchip/irq-bcm2835.c ++++ b/drivers/irqchip/irq-bcm2835.c +@@ -50,8 +50,11 @@ + #include + #include + #include ++#include ++#include + + #include ++#include + + /* Put the bank and irq (32 bits) into the hwirq */ + #define MAKE_HWIRQ(b, n) (((b) << 5) | (n)) +@@ -69,6 +72,9 @@ + #define BANK0_VALID_MASK (BANK0_HWIRQ_MASK | BANK1_HWIRQ | BANK2_HWIRQ \ + | SHORTCUT1_MASK | SHORTCUT2_MASK) + ++#undef ARM_LOCAL_GPU_INT_ROUTING ++#define ARM_LOCAL_GPU_INT_ROUTING 0x0c ++ + #define REG_FIQ_CONTROL 0x0c + #define REG_FIQ_ENABLE 0x80 + #define REG_FIQ_DISABLE 0 +@@ -94,6 +100,7 @@ struct armctrl_ic { + void __iomem *enable[NR_BANKS]; + void __iomem *disable[NR_BANKS]; + struct irq_domain *domain; ++ struct regmap *local_regmap; + }; + + static struct armctrl_ic intc __read_mostly; +@@ -127,12 +134,35 @@ static void armctrl_mask_irq(struct irq_ + + static void armctrl_unmask_irq(struct irq_data *d) + { +- if (d->hwirq >= NUMBER_IRQS) ++ if (d->hwirq >= NUMBER_IRQS) { ++ if (num_online_cpus() > 1) { ++ unsigned int data; ++ int ret; ++ ++ if (!intc.local_regmap) { ++ pr_err("FIQ is disabled due to missing regmap\n"); ++ return; ++ } ++ ++ ret = regmap_read(intc.local_regmap, ++ ARM_LOCAL_GPU_INT_ROUTING, &data); ++ if (ret) { ++ pr_err("Failed to read int routing %d\n", ret); ++ return; ++ } ++ ++ data &= ~0xc; ++ data |= (1 << 2); ++ regmap_write(intc.local_regmap, ++ ARM_LOCAL_GPU_INT_ROUTING, data); ++ } ++ + writel_relaxed(REG_FIQ_ENABLE | hwirq_to_fiq(d->hwirq), + intc.base + REG_FIQ_CONTROL); +- else ++ } else { + writel_relaxed(HWIRQ_BIT(d->hwirq), + intc.enable[HWIRQ_BANK(d->hwirq)]); ++ } + } + + static struct irq_chip armctrl_chip = { +@@ -209,6 +239,15 @@ static int __init armctrl_of_init(struct + set_handle_irq(bcm2835_handle_irq); + } + ++ if (is_2836) { ++ intc.local_regmap = ++ syscon_regmap_lookup_by_compatible("brcm,bcm2836-arm-local"); ++ if (IS_ERR(intc.local_regmap)) { ++ pr_err("Failed to get local register map. FIQ is disabled for cpus > 1\n"); ++ intc.local_regmap = NULL; ++ } ++ } ++ + /* Make a duplicate irq range which is used to enable FIQ */ + for (b = 0; b < NR_BANKS; b++) { + for (i = 0; i < bank_irqs[b]; i++) { -- cgit v1.2.3