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pci: pci_mvebu: Do not automatically enable bus mastering on PCI Bridge

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Now that PCI Bridge is working, U-Boot's CONFIG_PCI_PNP code automatically
enables memory access and bus mastering when it is needed. So do not
prematurely enable memory access and bus mastering.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pali Rohár 2021-10-22 16:22:13 +02:00 • committed by Stefan Roese
parent 79b4eb21b4
commit 42ab3b3004
1 changed files with 0 additions and 8 deletions
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8
drivers/pci/pci_mvebu.c
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@ -451,14 +451,6 @@ static int mvebu_pcie_probe(struct udevice *dev)
/* Setup windows and configure host bridge */
mvebu_pcie_setup_wins(pcie);
/* Master + slave enable. */
reg = readl(pcie->base + PCIE_CMD_OFF);
reg |= PCI_COMMAND_MEMORY;
reg |= PCI_COMMAND_IO;
reg |= PCI_COMMAND_MASTER;
reg |= BIT(10); /* disable interrupts */
writel(reg, pcie->base + PCIE_CMD_OFF);
/* PCI memory space */
pci_set_region(hose->regions + 0, pcie->mem.start,
pcie->mem.start, PCIE_MEM_SIZE, PCI_REGION_MEM);