From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- arch/mips/ath79/common.c | 149 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 arch/mips/ath79/common.c (limited to 'arch/mips/ath79/common.c') diff --git a/arch/mips/ath79/common.c b/arch/mips/ath79/common.c new file mode 100644 index 000000000..137abbc65 --- /dev/null +++ b/arch/mips/ath79/common.c @@ -0,0 +1,149 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Atheros AR71XX/AR724X/AR913X common routines + * + * Copyright (C) 2010-2011 Jaiganesh Narayanan + * Copyright (C) 2008-2011 Gabor Juhos + * Copyright (C) 2008 Imre Kaloz + * + * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP + */ + +#include +#include +#include +#include + +#include +#include +#include "common.h" + +static DEFINE_SPINLOCK(ath79_device_reset_lock); + +u32 ath79_cpu_freq; +EXPORT_SYMBOL_GPL(ath79_cpu_freq); + +u32 ath79_ahb_freq; +EXPORT_SYMBOL_GPL(ath79_ahb_freq); + +u32 ath79_ddr_freq; +EXPORT_SYMBOL_GPL(ath79_ddr_freq); + +enum ath79_soc_type ath79_soc; +unsigned int ath79_soc_rev; + +void __iomem *ath79_pll_base; +void __iomem *ath79_reset_base; +EXPORT_SYMBOL_GPL(ath79_reset_base); +static void __iomem *ath79_ddr_base; +static void __iomem *ath79_ddr_wb_flush_base; +static void __iomem *ath79_ddr_pci_win_base; + +void ath79_ddr_ctrl_init(void) +{ + ath79_ddr_base = ioremap(AR71XX_DDR_CTRL_BASE, + AR71XX_DDR_CTRL_SIZE); + if (soc_is_ar913x() || soc_is_ar724x() || soc_is_ar933x()) { + ath79_ddr_wb_flush_base = ath79_ddr_base + 0x7c; + ath79_ddr_pci_win_base = 0; + } else { + ath79_ddr_wb_flush_base = ath79_ddr_base + 0x9c; + ath79_ddr_pci_win_base = ath79_ddr_base + 0x7c; + } +} +EXPORT_SYMBOL_GPL(ath79_ddr_ctrl_init); + +void ath79_ddr_wb_flush(u32 reg) +{ + void __iomem *flush_reg = ath79_ddr_wb_flush_base + (reg * 4); + + /* Flush the DDR write buffer. */ + __raw_writel(0x1, flush_reg); + while (__raw_readl(flush_reg) & 0x1) + ; + + /* It must be run twice. */ + __raw_writel(0x1, flush_reg); + while (__raw_readl(flush_reg) & 0x1) + ; +} +EXPORT_SYMBOL_GPL(ath79_ddr_wb_flush); + +void ath79_ddr_set_pci_windows(void) +{ + BUG_ON(!ath79_ddr_pci_win_base); + + __raw_writel(AR71XX_PCI_WIN0_OFFS, ath79_ddr_pci_win_base + 0x0); + __raw_writel(AR71XX_PCI_WIN1_OFFS, ath79_ddr_pci_win_base + 0x4); + __raw_writel(AR71XX_PCI_WIN2_OFFS, ath79_ddr_pci_win_base + 0x8); + __raw_writel(AR71XX_PCI_WIN3_OFFS, ath79_ddr_pci_win_base + 0xc); + __raw_writel(AR71XX_PCI_WIN4_OFFS, ath79_ddr_pci_win_base + 0x10); + __raw_writel(AR71XX_PCI_WIN5_OFFS, ath79_ddr_pci_win_base + 0x14); + __raw_writel(AR71XX_PCI_WIN6_OFFS, ath79_ddr_pci_win_base + 0x18); + __raw_writel(AR71XX_PCI_WIN7_OFFS, ath79_ddr_pci_win_base + 0x1c); +} +EXPORT_SYMBOL_GPL(ath79_ddr_set_pci_windows); + +void ath79_device_reset_set(u32 mask) +{ + unsigned long flags; + u32 reg; + u32 t; + + if (soc_is_ar71xx()) + reg = AR71XX_RESET_REG_RESET_MODULE; + else if (soc_is_ar724x()) + reg = AR724X_RESET_REG_RESET_MODULE; + else if (soc_is_ar913x()) + reg = AR913X_RESET_REG_RESET_MODULE; + else if (soc_is_ar933x()) + reg = AR933X_RESET_REG_RESET_MODULE; + else if (soc_is_ar934x()) + reg = AR934X_RESET_REG_RESET_MODULE; + else if (soc_is_qca953x()) + reg = QCA953X_RESET_REG_RESET_MODULE; + else if (soc_is_qca955x()) + reg = QCA955X_RESET_REG_RESET_MODULE; + else if (soc_is_qca956x() || soc_is_tp9343()) + reg = QCA956X_RESET_REG_RESET_MODULE; + else + BUG(); + + spin_lock_irqsave(&ath79_device_reset_lock, flags); + t = ath79_reset_rr(reg); + ath79_reset_wr(reg, t | mask); + spin_unlock_irqrestore(&ath79_device_reset_lock, flags); +} +EXPORT_SYMBOL_GPL(ath79_device_reset_set); + +void ath79_device_reset_clear(u32 mask) +{ + unsigned long flags; + u32 reg; + u32 t; + + if (soc_is_ar71xx()) + reg = AR71XX_RESET_REG_RESET_MODULE; + else if (soc_is_ar724x()) + reg = AR724X_RESET_REG_RESET_MODULE; + else if (soc_is_ar913x()) + reg = AR913X_RESET_REG_RESET_MODULE; + else if (soc_is_ar933x()) + reg = AR933X_RESET_REG_RESET_MODULE; + else if (soc_is_ar934x()) + reg = AR934X_RESET_REG_RESET_MODULE; + else if (soc_is_qca953x()) + reg = QCA953X_RESET_REG_RESET_MODULE; + else if (soc_is_qca955x()) + reg = QCA955X_RESET_REG_RESET_MODULE; + else if (soc_is_qca956x() || soc_is_tp9343()) + reg = QCA956X_RESET_REG_RESET_MODULE; + else + BUG(); + + spin_lock_irqsave(&ath79_device_reset_lock, flags); + t = ath79_reset_rr(reg); + ath79_reset_wr(reg, t & ~mask); + spin_unlock_irqrestore(&ath79_device_reset_lock, flags); +} +EXPORT_SYMBOL_GPL(ath79_device_reset_clear); -- cgit v1.3.1