Merge tag 'rpi-2026.07-rc4' of https://source.denx.de/u-boot/custodians/u-boot-raspberrypi

Updates for RPi for 2026.07-rc4:

- pci: bcmstb: Support for bcm2712

8 files changed, 588 insertions, 35 deletions

diff --git a/arch/arm/mach-bcm283x/include/mach/acpi/bcm2711.h b/arch/arm/mach-bcm283x/include/mach/acpi/bcm2711.h
index a86875b1833..c72b47e1b10 100644
--- a/arch/arm/mach-bcm283x/include/mach/acpi/bcm2711.h
+++ b/arch/arm/mach-bcm283x/include/mach/acpi/bcm2711.h
@@ -54,6 +54,7 @@
 #define  MISC_CTRL_CFG_READ_UR_MODE_MASK          0x2000
 #define  MISC_CTRL_MAX_BURST_SIZE_MASK            0x300000
 #define  MISC_CTRL_MAX_BURST_SIZE_128             0x0
+#define  MISC_CTRL_MAX_BURST_SIZE_128_2712		0x100000
 #define  MISC_CTRL_SCB0_SIZE_MASK                 0xf8000000
 
 #define PCIE_MISC_CPU_2_PCIE_MEM_WIN0_LO          0x400c
@@ -70,6 +71,7 @@
 #define PCIE_MISC_RC_BAR2_CONFIG_HI               0x4038
 #define PCIE_MISC_RC_BAR3_CONFIG_LO               0x403c
 #define  RC_BAR3_CONFIG_LO_SIZE_MASK                0x1f
+#define PCIE_MISC_PCIE_CTRL			  0x4064
 #define PCIE_MISC_PCIE_STATUS                     0x4068
 #define  STATUS_PCIE_PORT_MASK                      0x80
 #define  STATUS_PCIE_PORT_SHIFT                        7
@@ -108,6 +110,10 @@
 
 #define PCIE_RGR1_SW_INIT_1                   0x9210
 #define PCIE_EXT_CFG_INDEX                    0x9000
+#define  RGR1_SW_INIT_1_PERST_MASK			0x1
+#define  RGR1_SW_INIT_1_PERSTB_MASK			0x4
+#define  RGR1_SW_INIT_1_INIT_MASK			0x2
+
 /* A small window pointing at the ECAM of the device selected by CFG_INDEX */
 #define PCIE_EXT_CFG_DATA                     0x8000
 
diff --git a/arch/arm/mach-bcm283x/init.c b/arch/arm/mach-bcm283x/init.c
index 7a1de22e0ae..7a2faaa4de6 100644
--- a/arch/arm/mach-bcm283x/init.c
+++ b/arch/arm/mach-bcm283x/init.c
@@ -18,7 +18,7 @@
 #ifdef CONFIG_ARM64
 #include <asm/armv8/mmu.h>
 
-#define MEM_MAP_MAX_ENTRIES (4)
+#define MEM_MAP_MAX_ENTRIES (5)
 
 static struct mm_region bcm283x_mem_map[MEM_MAP_MAX_ENTRIES] = {
 	{
@@ -84,6 +84,14 @@ static struct mm_region bcm2712_mem_map[MEM_MAP_MAX_ENTRIES] = {
 			 PTE_BLOCK_NON_SHARE |
 			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
 	}, {
+		/* Whole PCIe section */
+		.virt = 0x1800000000UL,
+		.phys = 0x1800000000UL,
+		.size = 0x0800000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
 		/* SoC bus */
 		.virt = 0x107c000000UL,
 		.phys = 0x107c000000UL,
diff --git a/configs/rpi_arm64_defconfig b/configs/rpi_arm64_defconfig
index 90048a418f6..cdcf05ea6db 100644
--- a/configs/rpi_arm64_defconfig
+++ b/configs/rpi_arm64_defconfig
@@ -47,6 +47,8 @@ CONFIG_BCMGENET=y
 CONFIG_PCI_BRCMSTB=y
 CONFIG_PINCTRL=y
 # CONFIG_PINCTRL_GENERIC is not set
+CONFIG_RESET_BRCMSTB=y
+CONFIG_RESET_BRCMSTB_RESCAL=y
 CONFIG_DM_RNG=y
 CONFIG_RNG_IPROC200=y
 # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
diff --git a/drivers/pci/pcie_brcmstb.c b/drivers/pci/pcie_brcmstb.c
index f089c48f028..1b03b0a7b05 100644
--- a/drivers/pci/pcie_brcmstb.c
+++ b/drivers/pci/pcie_brcmstb.c
@@ -21,6 +21,7 @@
 #include <linux/bitfield.h>
 #include <linux/log2.h>
 #include <linux/iopoll.h>
+#include <reset.h>
 
 /* PCIe parameters */
 #define BRCM_NUM_PCIE_OUT_WINS				4
@@ -49,6 +50,47 @@
 #define SSC_STATUS_PLL_LOCK_MASK			0x800
 #define SSC_STATUS_PLL_LOCK_SHIFT			11
 
+#define PCIE_RC_PL_PHY_CTL_15				0x184c
+#define PCIE_RC_PL_PHY_CTL_15_DIS_PLL_PD_MASK		0x400000
+#define PCIE_RC_PL_PHY_CTL_15_PM_CLK_PERIOD_MASK	0xff
+
+#define PCIE_MISC_UBUS_CTRL				0x40a4
+#define  PCIE_MISC_UBUS_CTRL_UBUS_PCIE_REPLY_ERR_DIS_MASK	BIT(13)
+#define  PCIE_MISC_UBUS_CTRL_UBUS_PCIE_REPLY_DECERR_DIS_MASK	BIT(19)
+#define PCIE_MISC_AXI_READ_ERROR_DATA			0x4170
+#define PCIE_MISC_UBUS_TIMEOUT				0x40A8
+#define PCIE_MISC_RC_CONFIG_RETRY_TIMEOUT		0x405c
+#define PCIE_MISC_RC_BAR4_CONFIG_LO			0x40d4
+#define PCIE_MISC_RC_BAR4_CONFIG_HI			0x40d8
+#define PCIE_MISC_UBUS_BAR_CONFIG_REMAP_HI_MASK		0xff
+#define PCIE_MISC_UBUS_BAR4_CONFIG_REMAP_HI		0x4110
+#define PCIE_MISC_UBUS_BAR_CONFIG_REMAP_ENABLE		0x1
+#define PCIE_MISC_UBUS_BAR_CONFIG_REMAP_LO_MASK		0xfffff000
+#define PCIE_MISC_UBUS_BAR4_CONFIG_REMAP_LO		0x410c
+
+#define PCIE_MISC_UBUS_BAR1_CONFIG_REMAP		0x40ac
+#define PCIE_MISC_UBUS_BAR2_CONFIG_REMAP		0x40b4
+#define  PCIE_MISC_UBUS_BAR2_CONFIG_REMAP_ACCESS_ENABLE_MASK	BIT(0)
+#define  MISC_CTRL_PCIE_RCB_MPS_MODE_MASK		0x400
+
+enum {
+	RGR1_SW_INIT_1,
+	PCIE_HARD_DEBUG,
+};
+
+enum brcm_pcie_type {
+	BCM2711,
+	BCM2712
+};
+
+struct brcm_pcie;
+
+struct brcm_pcie_cfg_data {
+	const int *offsets;
+	const enum brcm_pcie_type type;
+	void (*perst_set)(struct brcm_pcie *pcie, u32 val);
+};
+
 /**
  * struct brcm_pcie - the PCIe controller state
  * @base: Base address of memory mapped IO registers of the controller
@@ -61,6 +103,9 @@ struct brcm_pcie {
 
 	int			gen;
 	bool			ssc;
+	struct reset_ctl	rescal;
+	struct reset_ctl	bridge_reset;
+	const struct brcm_pcie_cfg_data *pcie_cfg;
 };
 
 /**
@@ -79,8 +124,8 @@ static int brcm_pcie_encode_ibar_size(u64 size)
 	if (log2_in >= 12 && log2_in <= 15)
 		/* Covers 4KB to 32KB (inclusive) */
 		return (log2_in - 12) + 0x1c;
-	else if (log2_in >= 16 && log2_in <= 37)
-		/* Covers 64KB to 32GB, (inclusive) */
+	else if (log2_in >= 16 && log2_in <= 36)
+		/* Covers 64KB to 64GB, (inclusive) */
 		return log2_in - 15;
 
 	/* Something is awry so disable */
@@ -104,6 +149,80 @@ static bool brcm_pcie_rc_mode(struct brcm_pcie *pcie)
 	return (val & STATUS_PCIE_PORT_MASK) >> STATUS_PCIE_PORT_SHIFT;
 }
 
+static void brcm_pcie_perst_set_generic(struct brcm_pcie *pcie, u32 val)
+{
+	if (val)
+		setbits_le32(pcie->base + pcie->pcie_cfg->offsets[RGR1_SW_INIT_1],
+			     RGR1_SW_INIT_1_PERST_MASK);
+	else
+		clrbits_le32(pcie->base + pcie->pcie_cfg->offsets[RGR1_SW_INIT_1],
+			     RGR1_SW_INIT_1_PERST_MASK);
+}
+
+static void brcm_pcie_perst_set_2712(struct brcm_pcie *pcie, u32 val)
+{
+	u32 tmp;
+
+	/* Perst bit has moved and assert value is 0 */
+	tmp = readl(pcie->base + PCIE_MISC_PCIE_CTRL);
+	u32p_replace_bits(&tmp, !val, RGR1_SW_INIT_1_PERSTB_MASK);
+	writel(tmp, pcie->base + PCIE_MISC_PCIE_CTRL);
+}
+
+static int brcm_pcie_get_resets_dt(struct udevice *dev)
+{
+	struct brcm_pcie *pcie = dev_get_priv(dev);
+	int ret;
+
+	ret = reset_get_by_name(dev, "rescal", &pcie->rescal);
+	if (ret) {
+		printf("Unable to get rescal reset\n");
+		return ret;
+	}
+
+	ret = reset_get_by_name(dev, "bridge", &pcie->bridge_reset);
+	if (ret)
+		printf("Unable to get bridge reset\n");
+
+	return ret;
+}
+
+static int brcm_pcie_do_reset(struct udevice *dev)
+{
+	struct brcm_pcie *pcie = dev_get_priv(dev);
+	int ret;
+
+	ret = reset_deassert(&pcie->rescal);
+	if (ret)
+		printf("failed to deassert 'rescal'\n");
+	return ret;
+}
+
+static int brcm_pcie_bridge_sw_init_set(struct brcm_pcie *pcie, u32 val)
+{
+	int ret = 0;
+
+	if (reset_valid(&pcie->bridge_reset))
+	{
+		if (val)
+			ret = reset_assert(&pcie->bridge_reset);
+		else
+			ret = reset_deassert(&pcie->bridge_reset);
+		if (ret)
+			log_err("failed to %sassert bridge reset, err=%d\n",
+				val ? "" : "de", ret);
+		return ret;
+	}
+
+	if (val)
+		setbits_le32(pcie->base + pcie->pcie_cfg->offsets[RGR1_SW_INIT_1],
+			     RGR1_SW_INIT_1_INIT_MASK);
+	else
+		clrbits_le32(pcie->base + pcie->pcie_cfg->offsets[RGR1_SW_INIT_1],
+			     RGR1_SW_INIT_1_INIT_MASK);
+	return 0;
+}
+
 /**
  * brcm_pcie_link_up() - Check whether the PCIe link is up
  * @pcie: Pointer to the PCIe controller state
@@ -125,7 +244,7 @@ static int brcm_pcie_config_address(const struct udevice *dev, pci_dev_t bdf,
 				    uint offset, void **paddress)
 {
 	struct brcm_pcie *pcie = dev_get_priv(dev);
-	unsigned int pci_bus = PCI_BUS(bdf);
+	unsigned int pci_bus = PCI_BUS(bdf) - dev_seq(dev);
 	unsigned int pci_dev = PCI_DEV(bdf);
 	unsigned int pci_func = PCI_FUNC(bdf);
 	int idx;
@@ -345,28 +464,150 @@ static void brcm_pcie_set_outbound_win(struct brcm_pcie *pcie,
 	writel(tmp, base + PCIE_MEM_WIN0_LIMIT_HI(win));
 }
 
+static u32 brcm_bar_reg_offset(int bar)
+{
+	if (bar <= 3)
+		return PCIE_MISC_RC_BAR1_CONFIG_LO + 8 * (bar - 1);
+	else
+		return PCIE_MISC_RC_BAR4_CONFIG_LO + 8 * (bar - 4);
+}
+
+static u32 brcm_ubus_reg_offset(int bar)
+{
+	if (bar <= 3)
+		return PCIE_MISC_UBUS_BAR1_CONFIG_REMAP + 8 * (bar - 1);
+	else
+		return PCIE_MISC_UBUS_BAR4_CONFIG_REMAP_LO + 8 * (bar - 4);
+}
+
+/*
+ * Round size up to the next power of two, as required by
+ * brcm_pcie_encode_ibar_size().  If size is already a power of two
+ * fls64(size - 1) still gives the correct result because the hardware
+ * encodes the exponent, not the raw value.
+ */
+static u64 brcm_ibar_round_size(u64 size)
+{
+	return 1ULL << fls64(size - 1);
+}
+
+static void brcm_pcie_set_inbound_windows(struct udevice *dev)
+{
+	struct brcm_pcie *pcie = dev_get_priv(dev);
+	void __iomem *base = pcie->base;
+	bool is_2712 = (pcie->pcie_cfg->type == BCM2712);
+	int i, ibar_no, ret;
+	u32 tmp;
+
+	ibar_no = 0;
+	/* pre-2712 chips leave the first entry empty */
+	if (pcie->pcie_cfg->type != BCM2712)
+		ibar_no++;
+
+	/* program inbound windows from OF property "dma-regions" */
+	for (i = 0; i < 7; i++, ibar_no++) {
+		u64 bar_cpu, bar_size, bar_pci;
+		struct pci_region region;
+		int ubus_bar_offset, rc_bar_offset;
+
+		ret = pci_get_dma_regions(dev, &region, i);
+		if (ret)	/* no region #i? Then we're done. */
+			break;
+		ubus_bar_offset = brcm_ubus_reg_offset(ibar_no + 1);
+		rc_bar_offset = brcm_bar_reg_offset(ibar_no + 1);
+
+		bar_pci = region.bus_start;
+		bar_cpu = region.phys_start;
+		bar_size = region.size;
+
+		if (is_2712) {
+			/* BCM2712: BAR holds raw PCI address; UBUS remap
+			 * registers supply the CPU-side translation. */
+			tmp = lower_32_bits(bar_pci);
+			u32p_replace_bits(&tmp, brcm_pcie_encode_ibar_size(bar_size),
+					  RC_BAR2_CONFIG_LO_SIZE_MASK);
+			writel(tmp, base + rc_bar_offset);
+			writel(upper_32_bits(bar_pci), base + rc_bar_offset + 4);
+
+			tmp = lower_32_bits(bar_cpu) &
+					PCIE_MISC_UBUS_BAR_CONFIG_REMAP_LO_MASK;
+			tmp |= PCIE_MISC_UBUS_BAR_CONFIG_REMAP_ENABLE;
+			writel(tmp, base + ubus_bar_offset);
+
+			tmp = upper_32_bits(bar_cpu) &
+				PCIE_MISC_UBUS_BAR_CONFIG_REMAP_HI_MASK;
+			writel(tmp, base + ubus_bar_offset + 4);
+		} else {
+			/* Pre-BCM2712 (e.g. BCM2711 / RPi4): the BAR config
+			 * register holds the offset (bus_start - phys_start),
+			 * not the raw PCI address.  The size must be rounded
+			 * up to the next power of two before encoding. */
+			u64 bar_offset = bar_pci - bar_cpu;
+			u64 bar_size_po2 = brcm_ibar_round_size(bar_size);
+
+			tmp = lower_32_bits(bar_offset);
+			u32p_replace_bits(&tmp, brcm_pcie_encode_ibar_size(bar_size_po2),
+					  RC_BAR2_CONFIG_LO_SIZE_MASK);
+			writel(tmp, base + rc_bar_offset);
+			writel(upper_32_bits(bar_offset), base + rc_bar_offset + 4);
+			/* UBUS remap registers are not used on pre-2712 hardware. */
+		}
+	}
+}
+
+static void brcm_pcie_munge_pll(struct brcm_pcie *pcie)
+{
+	u32 tmp;
+	int ret, i;
+	u8 regs[] =  { 0x16,   0x17,   0x18,   0x19,   0x1b,   0x1c,   0x1e };
+	u16 data[] = { 0x50b9, 0xbda1, 0x0094, 0x97b4, 0x5030, 0x5030, 0x0007 };
+
+	ret = brcm_pcie_mdio_write(pcie->base, MDIO_PORT0, SET_ADDR_OFFSET,
+				   0x1600);
+	for (i = 0; i < ARRAY_SIZE(regs); i++) {
+		brcm_pcie_mdio_read(pcie->base, MDIO_PORT0, regs[i], &tmp);
+		debug("PCIE MDIO pre_refclk 0x%02x = 0x%04x\n",
+		      regs[i], tmp);
+	}
+	for (i = 0; i < ARRAY_SIZE(regs); i++) {
+		brcm_pcie_mdio_write(pcie->base, MDIO_PORT0, regs[i], data[i]);
+		brcm_pcie_mdio_read(pcie->base, MDIO_PORT0, regs[i], &tmp);
+		debug("PCIE MDIO post_refclk 0x%02x = 0x%04x\n",
+		      regs[i], tmp);
+	}
+
+	udelay(200);
+}
+
 static int brcm_pcie_probe(struct udevice *dev)
 {
 	struct udevice *ctlr = pci_get_controller(dev);
 	struct pci_controller *hose = dev_get_uclass_priv(ctlr);
 	struct brcm_pcie *pcie = dev_get_priv(dev);
 	void __iomem *base = pcie->base;
-	struct pci_region region;
 	bool ssc_good = false;
 	int num_out_wins = 0;
-	u64 rc_bar2_offset, rc_bar2_size;
-	unsigned int scb_size_val;
-	int i, ret;
+	int i, ret = 0;
 	u16 nlw, cls, lnksta;
 	u32 tmp;
 
 	/*
+	 * Ensure rescal reset for BCM2712 is really disabled.
+	 */
+	if (pcie->pcie_cfg->type == BCM2712)
+		ret = brcm_pcie_do_reset(dev);
+	if (ret)
+		return ret;
+	/*
 	 * Reset the bridge, assert the fundamental reset. Note for some SoCs,
 	 * e.g. BCM7278, the fundamental reset should not be asserted here.
 	 * This will need to be changed when support for other SoCs is added.
 	 */
-	setbits_le32(base + PCIE_RGR1_SW_INIT_1,
-		     PCIE_RGR1_SW_INIT_1_INIT_MASK | PCIE_RGR1_SW_INIT_1_PERST_MASK);
+	ret = brcm_pcie_bridge_sw_init_set(pcie, 1);
+	if (ret)
+		return ret;
+	if (pcie->pcie_cfg->type != BCM2712)
+		pcie->pcie_cfg->perst_set(pcie, 1);
 	/*
 	 * The delay is a safety precaution to preclude the reset signal
 	 * from looking like a glitch.
@@ -374,39 +615,77 @@ static int brcm_pcie_probe(struct udevice *dev)
 	udelay(100);
 
 	/* Take the bridge out of reset */
-	clrbits_le32(base + PCIE_RGR1_SW_INIT_1, PCIE_RGR1_SW_INIT_1_INIT_MASK);
-
-	clrbits_le32(base + PCIE_MISC_HARD_PCIE_HARD_DEBUG,
+	ret = brcm_pcie_bridge_sw_init_set(pcie, 0);
+	if (ret)
+		return ret;
+	clrbits_le32(base + pcie->pcie_cfg->offsets[PCIE_HARD_DEBUG],
 		     PCIE_HARD_DEBUG_SERDES_IDDQ_MASK);
 
 	/* Wait for SerDes to be stable */
 	udelay(100);
 
+	if (pcie->pcie_cfg->type == BCM2712) {
+		/* Allow a 54MHz (xosc) refclk source */
+		brcm_pcie_munge_pll(pcie);
+		/* Fix for L1SS errata */
+		tmp = readl(base + PCIE_RC_PL_PHY_CTL_15);
+		tmp &= ~PCIE_RC_PL_PHY_CTL_15_PM_CLK_PERIOD_MASK;
+		/* PM clock period is 18.52ns (round down) */
+		tmp |= 0x12;
+		writel(tmp, base + PCIE_RC_PL_PHY_CTL_15);
+	}
+
+	tmp = (pcie->pcie_cfg->type == BCM2712) ?
+			MISC_CTRL_MAX_BURST_SIZE_128_2712 :
+			MISC_CTRL_MAX_BURST_SIZE_128;
 	/* Set SCB_MAX_BURST_SIZE, CFG_READ_UR_MODE, SCB_ACCESS_EN */
 	clrsetbits_le32(base + PCIE_MISC_MISC_CTRL,
 			MISC_CTRL_MAX_BURST_SIZE_MASK,
 			MISC_CTRL_SCB_ACCESS_EN_MASK |
 			MISC_CTRL_CFG_READ_UR_MODE_MASK |
-			MISC_CTRL_MAX_BURST_SIZE_128);
+			MISC_CTRL_PCIE_RCB_MPS_MODE_MASK |
+			tmp);
 
-	pci_get_dma_regions(dev, &region, 0);
-	rc_bar2_offset = region.bus_start - region.phys_start;
-	rc_bar2_size = 1ULL << fls64(region.size - 1);
+	tmp = readl(base + PCIE_MISC_MISC_CTRL);
+	if (pcie->pcie_cfg->type == BCM2712) {
+		/* BCM2712: fixed 32GB SCB0 window */
+		u32p_replace_bits(&tmp, 20, MISC_CTRL_SCB0_SIZE_MASK);
+	} else {
+		/* Pre-BCM2712: size SCB0 to match the actual DMA region.
+		 * rc_bar2_size must be a power of two; ilog2(size) - 15
+		 * gives the hardware encoding (e.g. 1GB -> 15). */
+		struct pci_region region;
+		u64 rc_bar2_size;
 
-	tmp = lower_32_bits(rc_bar2_offset);
-	u32p_replace_bits(&tmp, brcm_pcie_encode_ibar_size(rc_bar2_size),
-			  RC_BAR2_CONFIG_LO_SIZE_MASK);
-	writel(tmp, base + PCIE_MISC_RC_BAR2_CONFIG_LO);
-	writel(upper_32_bits(rc_bar2_offset),
-	       base + PCIE_MISC_RC_BAR2_CONFIG_HI);
+		pci_get_dma_regions(dev, &region, 0);
+		rc_bar2_size = brcm_ibar_round_size(region.size);
+		u32p_replace_bits(&tmp, rc_bar2_size ? ilog2(rc_bar2_size) - 15 : 0xf,
+				  MISC_CTRL_SCB0_SIZE_MASK);
+	}
+	writel(tmp, base + PCIE_MISC_MISC_CTRL);
 
-	scb_size_val = rc_bar2_size ?
-		       ilog2(rc_bar2_size) - 15 : 0xf; /* 0xf is 1GB */
+	if (pcie->pcie_cfg->type == BCM2712) {
+		/* Suppress AXI error responses and return 1s for read failures */
+		tmp = readl(base + PCIE_MISC_UBUS_CTRL);
+		u32p_replace_bits(&tmp, 1, PCIE_MISC_UBUS_CTRL_UBUS_PCIE_REPLY_ERR_DIS_MASK);
+		u32p_replace_bits(&tmp, 1, PCIE_MISC_UBUS_CTRL_UBUS_PCIE_REPLY_DECERR_DIS_MASK);
+		writel(tmp, base + PCIE_MISC_UBUS_CTRL);
+		writel(0xffffffff, base + PCIE_MISC_AXI_READ_ERROR_DATA);
 
-	tmp = readl(base + PCIE_MISC_MISC_CTRL);
-	u32p_replace_bits(&tmp, scb_size_val,
-			  MISC_CTRL_SCB0_SIZE_MASK);
-	writel(tmp, base + PCIE_MISC_MISC_CTRL);
+		/*
+		 * Adjust timeouts. The UBUS timeout also affects CRS
+		 * completion retries, as the request will get terminated if
+		 * either timeout expires, so both have to be a large value
+		 * (in clocks of 750MHz).
+		 * Set UBUS timeout to 250ms, then set RC config retry timeout
+		 * to be ~240ms.
+		 *
+		 * Setting CRSVis=1 will stop the core from blocking on a CRS
+		 * response, but does require the device to be well-behaved...
+		 */
+		writel(0xB2D0000, base + PCIE_MISC_UBUS_TIMEOUT);
+		writel(0xABA0000, base + PCIE_MISC_RC_CONFIG_RETRY_TIMEOUT);
+	}
 
 	/* Disable the PCIe->GISB memory window (RC_BAR1) */
 	clrbits_le32(base + PCIE_MISC_RC_BAR1_CONFIG_LO,
@@ -422,12 +701,13 @@ static int brcm_pcie_probe(struct udevice *dev)
 	/* Clear any interrupts we find on boot */
 	writel(0xffffffff, base + PCIE_MSI_INTR2_CLR);
 
+	brcm_pcie_set_inbound_windows(dev);
+
 	if (pcie->gen)
 		brcm_pcie_set_gen(pcie, pcie->gen);
 
 	/* Unassert the fundamental reset */
-	clrbits_le32(pcie->base + PCIE_RGR1_SW_INIT_1,
-		     PCIE_RGR1_SW_INIT_1_PERST_MASK);
+	pcie->pcie_cfg->perst_set(pcie, 0);
 
 	/*
 	 * Wait for 100ms after PERST# deassertion; see PCIe CEM specification
@@ -514,14 +794,25 @@ static int brcm_pcie_remove(struct udevice *dev)
 	void __iomem *base = pcie->base;
 
 	/* Assert fundamental reset */
-	setbits_le32(base + PCIE_RGR1_SW_INIT_1, PCIE_RGR1_SW_INIT_1_PERST_MASK);
+	setbits_le32(base + pcie->pcie_cfg->offsets[RGR1_SW_INIT_1],
+		     PCIE_RGR1_SW_INIT_1_PERST_MASK);
 
 	/* Turn off SerDes */
-	setbits_le32(base + PCIE_MISC_HARD_PCIE_HARD_DEBUG,
+	setbits_le32(base + pcie->pcie_cfg->offsets[PCIE_HARD_DEBUG],
 		     PCIE_HARD_DEBUG_SERDES_IDDQ_MASK);
 
 	/* Shutdown bridge */
-	setbits_le32(base + PCIE_RGR1_SW_INIT_1, PCIE_RGR1_SW_INIT_1_INIT_MASK);
+	brcm_pcie_bridge_sw_init_set(pcie, 1);
+
+	/*
+	 * For the controllers that are utilizing reset for bridge Sw init,
+	 * such as BCM2712, reset should be deasserted after assertion.
+	 * Leaving it in asserted state may lead to unexpected hangs in
+	 * the Linux Kernel driver because it do not perform reset initialization
+	 * and start accessing device memory.
+	 */
+	if (pcie->pcie_cfg->type == BCM2712)
+		brcm_pcie_bridge_sw_init_set(pcie, 0);
 
 	return 0;
 }
@@ -546,6 +837,11 @@ static int brcm_pcie_of_to_plat(struct udevice *dev)
 	else
 		pcie->gen = max_link_speed;
 
+	pcie->pcie_cfg = (const struct brcm_pcie_cfg_data *)dev_get_driver_data(dev);
+
+	if (pcie->pcie_cfg->type == BCM2712)
+		return brcm_pcie_get_resets_dt(dev);
+
 	return 0;
 }
 
@@ -554,8 +850,31 @@ static const struct dm_pci_ops brcm_pcie_ops = {
 	.write_config	= brcm_pcie_write_config,
 };
 
+static const int pcie_offsets[] = {
+	[RGR1_SW_INIT_1] = 0x9210,
+	[PCIE_HARD_DEBUG] = 0x4204,
+};
+
+static const struct brcm_pcie_cfg_data bcm2711_cfg = {
+	.offsets	= pcie_offsets,
+	.type		= BCM2711,
+	.perst_set	= brcm_pcie_perst_set_generic,
+};
+
+static const int pcie_offsets_bcm2712[] = {
+	[RGR1_SW_INIT_1] = 0x0,
+	[PCIE_HARD_DEBUG] = 0x4304,
+};
+
+static const struct brcm_pcie_cfg_data bcm2712_cfg = {
+	.offsets	= pcie_offsets_bcm2712,
+	.type		= BCM2712,
+	.perst_set	= brcm_pcie_perst_set_2712,
+};
+
 static const struct udevice_id brcm_pcie_ids[] = {
-	{ .compatible = "brcm,bcm2711-pcie" },
+	{ .compatible = "brcm,bcm2711-pcie", .data = (ulong)&bcm2711_cfg },
+	{ .compatible = "brcm,bcm2712-pcie", .data = (ulong)&bcm2712_cfg },
 	{ }
 };
 
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index ebf484d9df4..485f907b041 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -64,6 +64,22 @@ config RESET_BCM6345
 	help
 	  Support reset controller on BCM6345.
 
+config RESET_BRCMSTB
+	depends on ARCH_BCM283X
+	bool "Generic Reset controller driver for Broadcom"
+	help
+	  This enables reset controller for Broadcom devices.
+	  If you wish to use reset resources managed by the Broadcom
+	  Reset Controller, say Y here. Otherwise, say N.
+
+config RESET_BRCMSTB_RESCAL
+	depends on ARCH_BCM283X
+	bool "Generic Rescal Reset controller driver for Broadcom"
+	help
+	  Support rescal reset controller on Broadcom.
+	  If you wish to use reset resources managed by the Broadcom
+	  Reset Controller, say Y here. Otherwise, say N.
+
 config RESET_UNIPHIER
 	bool "Reset controller driver for UniPhier SoCs"
 	depends on ARCH_UNIPHIER
diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile
index 088545c6473..c369bdb3d6c 100644
--- a/drivers/reset/Makefile
+++ b/drivers/reset/Makefile
@@ -13,6 +13,8 @@ obj-$(CONFIG_RESET_AIROHA) += reset-airoha.o
 obj-$(CONFIG_RESET_TI_SCI) += reset-ti-sci.o
 obj-$(CONFIG_RESET_HSDK) += reset-hsdk.o
 obj-$(CONFIG_RESET_BCM6345) += reset-bcm6345.o
+obj-$(CONFIG_RESET_BRCMSTB) += reset-brcmstb.o
+obj-$(CONFIG_RESET_BRCMSTB_RESCAL) += reset-brcmstb-rescal.o
 obj-$(CONFIG_RESET_UNIPHIER) += reset-uniphier.o
 obj-$(CONFIG_RESET_AST2500) += reset-ast2500.o
 obj-$(CONFIG_RESET_AST2600) += reset-ast2600.o
diff --git a/drivers/reset/reset-brcmstb-rescal.c b/drivers/reset/reset-brcmstb-rescal.c
new file mode 100644
index 00000000000..fc8fcfa8b3f
--- /dev/null
+++ b/drivers/reset/reset-brcmstb-rescal.c
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Broadcom STB generic reset controller
+ *
+ * Copyright (C) 2024 EPAM Systems
+ * Moved from linux kernel:
+ * Copyright (C) 2018-2020 Broadcom
+ */
+
+#include <asm/io.h>
+#include <dm.h>
+#include <dm/device_compat.h>
+#include <errno.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/iopoll.h>
+#include <log.h>
+#include <malloc.h>
+#include <reset-uclass.h>
+
+#define BRCM_RESCAL_START 0x0
+#define BRCM_RESCAL_START_BIT BIT(0)
+#define BRCM_RESCAL_CTRL 0x4
+#define BRCM_RESCAL_STATUS 0x8
+#define BRCM_RESCAL_STATUS_BIT BIT(0)
+
+struct brcm_rescal_reset {
+	void __iomem *base;
+};
+
+/* Also doubles a deassert */
+static int brcm_rescal_reset_set(struct reset_ctl *rst)
+{
+	struct brcm_rescal_reset *data = dev_get_priv(rst->dev);
+	void __iomem *base = data->base;
+	u32 reg;
+	int ret;
+
+	reg = readl(base + BRCM_RESCAL_START);
+	writel(reg | BRCM_RESCAL_START_BIT, base + BRCM_RESCAL_START);
+	reg = readl(base + BRCM_RESCAL_START);
+	if (!(reg & BRCM_RESCAL_START_BIT)) {
+		dev_err(rst->dev, "failed to start SATA/PCIe rescal\n");
+		return -EIO;
+	}
+
+	ret = readl_poll_timeout(base + BRCM_RESCAL_STATUS, reg,
+				 (reg & BRCM_RESCAL_STATUS_BIT), 100);
+	if (ret) {
+		dev_err(rst->dev, "time out on SATA/PCIe rescal\n");
+		return ret;
+	}
+
+	reg = readl(base + BRCM_RESCAL_START);
+	writel(reg & ~BRCM_RESCAL_START_BIT, base + BRCM_RESCAL_START);
+
+	dev_dbg(rst->dev, "SATA/PCIe rescal success\n");
+	return 0;
+}
+
+/* A dummy function - deassert/reset does all the work */
+static int brcm_rescal_reset_assert(struct reset_ctl *rst)
+{
+	return 0;
+}
+
+static int brcm_rescal_reset_xlate(struct reset_ctl *reset_ctl,
+				   struct ofnode_phandle_args *args)
+{
+	/* This is needed if #reset-cells == 0. */
+	return 0;
+}
+
+static const struct reset_ops brcm_rescal_reset_ops = {
+	.rst_deassert = brcm_rescal_reset_set,
+	.rst_assert = brcm_rescal_reset_assert,
+	.of_xlate = brcm_rescal_reset_xlate,
+};
+
+static int brcm_rescal_reset_probe(struct udevice *dev)
+{
+	struct brcm_rescal_reset *data = dev_get_priv(dev);
+
+	data->base = dev_remap_addr(dev);
+	if (!data->base)
+		return -EINVAL;
+
+	return 0;
+}
+
+static const struct udevice_id brcm_rescal_reset_of_match[] = {
+	{.compatible = "brcm,bcm7216-pcie-sata-rescal"},
+	{},
+};
+
+U_BOOT_DRIVER(brcmstb_reset_rescal) = {
+	.name = "brcmstb-reset-rescal",
+	.id = UCLASS_RESET,
+	.of_match = brcm_rescal_reset_of_match,
+	.ops = &brcm_rescal_reset_ops,
+	.probe = brcm_rescal_reset_probe,
+	.priv_auto = sizeof(struct brcm_rescal_reset),
+};
diff --git a/drivers/reset/reset-brcmstb.c b/drivers/reset/reset-brcmstb.c
new file mode 100644
index 00000000000..7861f7c9baf
--- /dev/null
+++ b/drivers/reset/reset-brcmstb.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Broadcom STB generic reset controller
+ *
+ * Copyright (C) 2024 EPAM Systems
+ *
+ * Moved from linux kernel:
+ * Author: Florian Fainelli <[email protected]>
+ * Copyright (C) 2018 Broadcom
+ */
+
+#include <asm/io.h>
+#include <dm.h>
+#include <errno.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <log.h>
+#include <malloc.h>
+#include <reset-uclass.h>
+
+struct brcmstb_reset {
+	void __iomem *base;
+};
+
+#define SW_INIT_SET 0x00
+#define SW_INIT_CLEAR 0x04
+#define SW_INIT_STATUS 0x08
+
+#define SW_INIT_BIT(id) BIT((id) & 0x1f)
+#define SW_INIT_BANK(id) ((id) >> 5)
+
+#define usleep_range(a, b) udelay((b))
+
+/* A full bank contains extra registers that we are not utilizing but still
+ * qualify as a single bank.
+ */
+#define SW_INIT_BANK_SIZE 0x18
+
+static int brcmstb_reset_assert(struct reset_ctl *rst)
+{
+	unsigned int off = SW_INIT_BANK(rst->id) * SW_INIT_BANK_SIZE;
+	struct brcmstb_reset *priv = dev_get_priv(rst->dev);
+
+	writel_relaxed(SW_INIT_BIT(rst->id), priv->base + off + SW_INIT_SET);
+	return 0;
+}
+
+static int brcmstb_reset_deassert(struct reset_ctl *rst)
+{
+	unsigned int off = SW_INIT_BANK(rst->id) * SW_INIT_BANK_SIZE;
+	struct brcmstb_reset *priv = dev_get_priv(rst->dev);
+
+	writel_relaxed(SW_INIT_BIT(rst->id), priv->base + off + SW_INIT_CLEAR);
+	/* Maximum reset delay after de-asserting a line and seeing block
+	 * operation is typically 14us for the worst case, build some slack
+	 * here.
+	 */
+	usleep_range(100, 200);
+	return 0;
+}
+
+static int brcmstb_reset_status(struct reset_ctl *rst)
+{
+	unsigned int off = SW_INIT_BANK(rst->id) * SW_INIT_BANK_SIZE;
+	struct brcmstb_reset *priv = dev_get_priv(rst->dev);
+
+	return readl_relaxed(priv->base + off + SW_INIT_STATUS) &
+			SW_INIT_BIT(rst->id);
+}
+
+struct reset_ops brcmstb_reset_reset_ops = {
+	.rst_assert = brcmstb_reset_assert,
+	.rst_deassert = brcmstb_reset_deassert,
+	.rst_status = brcmstb_reset_status};
+
+static int brcmstb_reset_probe(struct udevice *dev)
+{
+	struct brcmstb_reset *priv = dev_get_priv(dev);
+
+	priv->base = dev_remap_addr(dev);
+	if (!priv->base)
+		return -EINVAL;
+
+	return 0;
+}
+
+static const struct udevice_id brcmstb_reset_ids[] = {
+	{.compatible = "brcm,brcmstb-reset"}, {/* sentinel */}};
+
+U_BOOT_DRIVER(brcmstb_reset) = {
+	.name = "brcmstb-reset",
+	.id = UCLASS_RESET,
+	.of_match = brcmstb_reset_ids,
+	.ops = &brcmstb_reset_reset_ops,
+	.probe = brcmstb_reset_probe,
+	.priv_auto = sizeof(struct brcmstb_reset),
+};