diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/pcie_dw_rockchip.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/pcie_dw_rockchip.c b/drivers/pci/pcie_dw_rockchip.c index 82a8b9c96e2..1a35fae5c3a 100644 --- a/drivers/pci/pcie_dw_rockchip.c +++ b/drivers/pci/pcie_dw_rockchip.c @@ -61,6 +61,8 @@ struct rk_pcie { #define PCIE_CLIENT_DBG_TRANSITION_DATA 0xffff0000 #define PCIE_CLIENT_DBF_EN 0xffff0003 +#define PCIE_TYPE0_HDR_DBI2_OFFSET 0x100000 + static int rk_pcie_read(void __iomem *addr, int size, u32 *val) { if ((uintptr_t)addr & (size - 1)) { @@ -158,6 +160,12 @@ static void rk_pcie_configure(struct rk_pcie *pci, u32 cap_speed) { dw_pcie_dbi_write_enable(&pci->dw, true); + /* Disable BAR 0 and BAR 1 */ + writel(0, pci->dw.dbi_base + PCIE_TYPE0_HDR_DBI2_OFFSET + + PCI_BASE_ADDRESS_0); + writel(0, pci->dw.dbi_base + PCIE_TYPE0_HDR_DBI2_OFFSET + + PCI_BASE_ADDRESS_1); + clrsetbits_le32(pci->dw.dbi_base + PCIE_LINK_CAPABILITY, TARGET_LINK_SPEED_MASK, cap_speed); |