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drivers: pcie: reintroduce support for I/O BARs

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Reintroduce support for accessing I/O BARs which was removed in
43d84147d9.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
This commit is contained in:
Henrik Brix Andersen 2022-10-21 10:23:42 +02:00 • committed by Christopher Friedt
commit 3c99a1e015
9 changed files with 105 additions and 24 deletions
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2
arch/x86/core/early_serial.c
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@ -88,7 +88,7 @@ void z_x86_early_serial_init(void)
{
#if defined(DEVICE_MMIO_IS_IN_RAM) && !defined(CONFIG_UART_NS16550_ACCESS_IOPORT)
#ifdef X86_SOC_EARLY_SERIAL_PCIDEV
struct pcie_mbar mbar;
struct pcie_bar mbar;
pcie_get_mbar(X86_SOC_EARLY_SERIAL_PCIDEV, 0, &mbar);
pcie_set_cmd(X86_SOC_EARLY_SERIAL_PCIDEV, PCIE_CONF_CMDSTAT_MEM, true);
device_map(&mmio, mbar.phys_addr, mbar.size, K_MEM_CACHE_NONE);