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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /arch/mips/bcm63xx/reset.c
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
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 ...
Diffstat (limited to 'arch/mips/bcm63xx/reset.c')
-rw-r--r--arch/mips/bcm63xx/reset.c219
1 files changed, 219 insertions, 0 deletions
diff --git a/arch/mips/bcm63xx/reset.c b/arch/mips/bcm63xx/reset.c
new file mode 100644
index 000000000..64574e74c
--- /dev/null
+++ b/arch/mips/bcm63xx/reset.c
@@ -0,0 +1,219 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com>
+ */
+
+#include <linux/init.h>
+#include <linux/export.h>
+#include <linux/mutex.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_reset.h>
+
+#define __GEN_RESET_BITS_TABLE(__cpu) \
+ [BCM63XX_RESET_SPI] = BCM## __cpu ##_RESET_SPI, \
+ [BCM63XX_RESET_ENET] = BCM## __cpu ##_RESET_ENET, \
+ [BCM63XX_RESET_USBH] = BCM## __cpu ##_RESET_USBH, \
+ [BCM63XX_RESET_USBD] = BCM## __cpu ##_RESET_USBD, \
+ [BCM63XX_RESET_DSL] = BCM## __cpu ##_RESET_DSL, \
+ [BCM63XX_RESET_SAR] = BCM## __cpu ##_RESET_SAR, \
+ [BCM63XX_RESET_EPHY] = BCM## __cpu ##_RESET_EPHY, \
+ [BCM63XX_RESET_ENETSW] = BCM## __cpu ##_RESET_ENETSW, \
+ [BCM63XX_RESET_PCM] = BCM## __cpu ##_RESET_PCM, \
+ [BCM63XX_RESET_MPI] = BCM## __cpu ##_RESET_MPI, \
+ [BCM63XX_RESET_PCIE] = BCM## __cpu ##_RESET_PCIE, \
+ [BCM63XX_RESET_PCIE_EXT] = BCM## __cpu ##_RESET_PCIE_EXT,
+
+#define BCM3368_RESET_SPI SOFTRESET_3368_SPI_MASK
+#define BCM3368_RESET_ENET SOFTRESET_3368_ENET_MASK
+#define BCM3368_RESET_USBH 0
+#define BCM3368_RESET_USBD SOFTRESET_3368_USBS_MASK
+#define BCM3368_RESET_DSL 0
+#define BCM3368_RESET_SAR 0
+#define BCM3368_RESET_EPHY SOFTRESET_3368_EPHY_MASK
+#define BCM3368_RESET_ENETSW 0
+#define BCM3368_RESET_PCM SOFTRESET_3368_PCM_MASK
+#define BCM3368_RESET_MPI SOFTRESET_3368_MPI_MASK
+#define BCM3368_RESET_PCIE 0
+#define BCM3368_RESET_PCIE_EXT 0
+
+#define BCM6328_RESET_SPI SOFTRESET_6328_SPI_MASK
+#define BCM6328_RESET_ENET 0
+#define BCM6328_RESET_USBH SOFTRESET_6328_USBH_MASK
+#define BCM6328_RESET_USBD SOFTRESET_6328_USBS_MASK
+#define BCM6328_RESET_DSL 0
+#define BCM6328_RESET_SAR SOFTRESET_6328_SAR_MASK
+#define BCM6328_RESET_EPHY SOFTRESET_6328_EPHY_MASK
+#define BCM6328_RESET_ENETSW SOFTRESET_6328_ENETSW_MASK
+#define BCM6328_RESET_PCM SOFTRESET_6328_PCM_MASK
+#define BCM6328_RESET_MPI 0
+#define BCM6328_RESET_PCIE \
+ (SOFTRESET_6328_PCIE_MASK | \
+ SOFTRESET_6328_PCIE_CORE_MASK | \
+ SOFTRESET_6328_PCIE_HARD_MASK)
+#define BCM6328_RESET_PCIE_EXT SOFTRESET_6328_PCIE_EXT_MASK
+
+#define BCM6338_RESET_SPI SOFTRESET_6338_SPI_MASK
+#define BCM6338_RESET_ENET SOFTRESET_6338_ENET_MASK
+#define BCM6338_RESET_USBH SOFTRESET_6338_USBH_MASK
+#define BCM6338_RESET_USBD SOFTRESET_6338_USBS_MASK
+#define BCM6338_RESET_DSL SOFTRESET_6338_ADSL_MASK
+#define BCM6338_RESET_SAR SOFTRESET_6338_SAR_MASK
+#define BCM6338_RESET_EPHY 0
+#define BCM6338_RESET_ENETSW 0
+#define BCM6338_RESET_PCM 0
+#define BCM6338_RESET_MPI 0
+#define BCM6338_RESET_PCIE 0
+#define BCM6338_RESET_PCIE_EXT 0
+
+#define BCM6348_RESET_SPI SOFTRESET_6348_SPI_MASK
+#define BCM6348_RESET_ENET SOFTRESET_6348_ENET_MASK
+#define BCM6348_RESET_USBH SOFTRESET_6348_USBH_MASK
+#define BCM6348_RESET_USBD SOFTRESET_6348_USBS_MASK
+#define BCM6348_RESET_DSL SOFTRESET_6348_ADSL_MASK
+#define BCM6348_RESET_SAR SOFTRESET_6348_SAR_MASK
+#define BCM6348_RESET_EPHY 0
+#define BCM6348_RESET_ENETSW 0
+#define BCM6348_RESET_PCM 0
+#define BCM6348_RESET_MPI 0
+#define BCM6348_RESET_PCIE 0
+#define BCM6348_RESET_PCIE_EXT 0
+
+#define BCM6358_RESET_SPI SOFTRESET_6358_SPI_MASK
+#define BCM6358_RESET_ENET SOFTRESET_6358_ENET_MASK
+#define BCM6358_RESET_USBH SOFTRESET_6358_USBH_MASK
+#define BCM6358_RESET_USBD 0
+#define BCM6358_RESET_DSL SOFTRESET_6358_ADSL_MASK
+#define BCM6358_RESET_SAR SOFTRESET_6358_SAR_MASK
+#define BCM6358_RESET_EPHY SOFTRESET_6358_EPHY_MASK
+#define BCM6358_RESET_ENETSW 0
+#define BCM6358_RESET_PCM SOFTRESET_6358_PCM_MASK
+#define BCM6358_RESET_MPI SOFTRESET_6358_MPI_MASK
+#define BCM6358_RESET_PCIE 0
+#define BCM6358_RESET_PCIE_EXT 0
+
+#define BCM6362_RESET_SPI SOFTRESET_6362_SPI_MASK
+#define BCM6362_RESET_ENET 0
+#define BCM6362_RESET_USBH SOFTRESET_6362_USBH_MASK
+#define BCM6362_RESET_USBD SOFTRESET_6362_USBS_MASK
+#define BCM6362_RESET_DSL 0
+#define BCM6362_RESET_SAR SOFTRESET_6362_SAR_MASK
+#define BCM6362_RESET_EPHY SOFTRESET_6362_EPHY_MASK
+#define BCM6362_RESET_ENETSW SOFTRESET_6362_ENETSW_MASK
+#define BCM6362_RESET_PCM SOFTRESET_6362_PCM_MASK
+#define BCM6362_RESET_MPI 0
+#define BCM6362_RESET_PCIE (SOFTRESET_6362_PCIE_MASK | \
+ SOFTRESET_6362_PCIE_CORE_MASK)
+#define BCM6362_RESET_PCIE_EXT SOFTRESET_6362_PCIE_EXT_MASK
+
+#define BCM6368_RESET_SPI SOFTRESET_6368_SPI_MASK
+#define BCM6368_RESET_ENET 0
+#define BCM6368_RESET_USBH SOFTRESET_6368_USBH_MASK
+#define BCM6368_RESET_USBD SOFTRESET_6368_USBS_MASK
+#define BCM6368_RESET_DSL 0
+#define BCM6368_RESET_SAR SOFTRESET_6368_SAR_MASK
+#define BCM6368_RESET_EPHY SOFTRESET_6368_EPHY_MASK
+#define BCM6368_RESET_ENETSW SOFTRESET_6368_ENETSW_MASK
+#define BCM6368_RESET_PCM SOFTRESET_6368_PCM_MASK
+#define BCM6368_RESET_MPI SOFTRESET_6368_MPI_MASK
+#define BCM6368_RESET_PCIE 0
+#define BCM6368_RESET_PCIE_EXT 0
+
+/*
+ * core reset bits
+ */
+static const u32 bcm3368_reset_bits[] = {
+ __GEN_RESET_BITS_TABLE(3368)
+};
+
+static const u32 bcm6328_reset_bits[] = {
+ __GEN_RESET_BITS_TABLE(6328)
+};
+
+static const u32 bcm6338_reset_bits[] = {
+ __GEN_RESET_BITS_TABLE(6338)
+};
+
+static const u32 bcm6348_reset_bits[] = {
+ __GEN_RESET_BITS_TABLE(6348)
+};
+
+static const u32 bcm6358_reset_bits[] = {
+ __GEN_RESET_BITS_TABLE(6358)
+};
+
+static const u32 bcm6362_reset_bits[] = {
+ __GEN_RESET_BITS_TABLE(6362)
+};
+
+static const u32 bcm6368_reset_bits[] = {
+ __GEN_RESET_BITS_TABLE(6368)
+};
+
+const u32 *bcm63xx_reset_bits;
+static int reset_reg;
+
+static int __init bcm63xx_reset_bits_init(void)
+{
+ if (BCMCPU_IS_3368()) {
+ reset_reg = PERF_SOFTRESET_6358_REG;
+ bcm63xx_reset_bits = bcm3368_reset_bits;
+ } else if (BCMCPU_IS_6328()) {
+ reset_reg = PERF_SOFTRESET_6328_REG;
+ bcm63xx_reset_bits = bcm6328_reset_bits;
+ } else if (BCMCPU_IS_6338()) {
+ reset_reg = PERF_SOFTRESET_REG;
+ bcm63xx_reset_bits = bcm6338_reset_bits;
+ } else if (BCMCPU_IS_6348()) {
+ reset_reg = PERF_SOFTRESET_REG;
+ bcm63xx_reset_bits = bcm6348_reset_bits;
+ } else if (BCMCPU_IS_6358()) {
+ reset_reg = PERF_SOFTRESET_6358_REG;
+ bcm63xx_reset_bits = bcm6358_reset_bits;
+ } else if (BCMCPU_IS_6362()) {
+ reset_reg = PERF_SOFTRESET_6362_REG;
+ bcm63xx_reset_bits = bcm6362_reset_bits;
+ } else if (BCMCPU_IS_6368()) {
+ reset_reg = PERF_SOFTRESET_6368_REG;
+ bcm63xx_reset_bits = bcm6368_reset_bits;
+ }
+
+ return 0;
+}
+
+static DEFINE_SPINLOCK(reset_mutex);
+
+static void __bcm63xx_core_set_reset(u32 mask, int enable)
+{
+ unsigned long flags;
+ u32 val;
+
+ if (!mask)
+ return;
+
+ spin_lock_irqsave(&reset_mutex, flags);
+ val = bcm_perf_readl(reset_reg);
+
+ if (enable)
+ val &= ~mask;
+ else
+ val |= mask;
+
+ bcm_perf_writel(val, reset_reg);
+ spin_unlock_irqrestore(&reset_mutex, flags);
+}
+
+void bcm63xx_core_set_reset(enum bcm63xx_core_reset core, int reset)
+{
+ __bcm63xx_core_set_reset(bcm63xx_reset_bits[core], reset);
+}
+EXPORT_SYMBOL(bcm63xx_core_set_reset);
+
+postcore_initcall(bcm63xx_reset_bits_init);