On 7/3/2025 2:53 PM, Jim Quinlan wrote:
Enable PCIe for 74110a0 SoC. This chip uses a simple mechanism to map inbound memory regions. Both the "ranges" and "dma-ranges" are identity-mapped to PCIe space. Signed-off-by: Jim Quinlan <james.quinlan@xxxxxxxxxxxx>
Reviewed-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
--- drivers/pci/controller/pcie-brcmstb.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c index 362ac083e112..bfedab15a162 100644 --- a/drivers/pci/controller/pcie-brcmstb.c +++ b/drivers/pci/controller/pcie-brcmstb.c @@ -276,6 +276,7 @@ enum pcie_soc_base { BCM7435, BCM7712, BCM33940, + BCM74110, };/*@@ -291,7 +292,7 @@ enum pcie_soc_base { * power of two. Such systems may or may not have an IOMMU between the RC * and memory. */ -#define IS_NG_PCI_SOC(t) (0) +#define IS_NG_PCI_SOC(t) ((t) == BCM74110)struct inbound_win {u64 size; @@ -2046,6 +2047,14 @@ static const int pcie_offsets_bcm7712[] = { [PCIE_INTR2_CPU_BASE] = 0x4400, };+static const int pcie_offset_bcm74110[] = {+ [RGR1_SW_INIT_1] = 0xc010, + [EXT_CFG_INDEX] = 0x9000, + [EXT_CFG_DATA] = 0x8000, + [PCIE_HARD_DEBUG] = 0x4204, + [PCIE_INTR2_CPU_BASE] = 0x4300, +}; + static const int pcie_offset_bcm33940[] = { [RGR1_SW_INIT_1] = 0x9210, [EXT_CFG_INDEX] = 0x9000, @@ -2162,6 +2171,15 @@ static const struct pcie_cfg_data bcm33940_cfg = { .num_inbound_wins = 10, };+static const struct pcie_cfg_data bcm74110_cfg = {+ .offsets = pcie_offset_bcm74110, + .soc_base = BCM74110, + .perst_set = brcm_pcie_perst_set_7278, + .bridge_sw_init_set = brcm_pcie_bridge_sw_init_set_generic, + .has_phy = true, + .has_err_report = true, +}; + static const struct of_device_id brcm_pcie_match[] = { { .compatible = "brcm,bcm2711-pcie", .data = &bcm2711_cfg }, { .compatible = "brcm,bcm2712-pcie", .data = &bcm2712_cfg }, @@ -2177,6 +2195,7 @@ static const struct of_device_id brcm_pcie_match[] = { { .compatible = "brcm,bcm7445-pcie", .data = &generic_cfg }, { .compatible = "brcm,bcm7712-pcie", .data = &bcm7712_cfg }, { .compatible = "brcm,bcm33940-pcie", .data = &bcm33940_cfg }, + { .compatible = "brcm,bcm74110-pcie", .data = &bcm74110_cfg },
Nit: if you need to respin, it might be nice to order numerically here? -- Florian
