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path: root/drivers/pci/controller/dwc/pci-keystone.c
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Diffstat (limited to 'drivers/pci/controller/dwc/pci-keystone.c')
-rw-r--r--drivers/pci/controller/dwc/pci-keystone.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index 3576a184b9eb..2decbaec81a3 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -40,7 +40,7 @@
40#define LTSSM_EN_VAL BIT(0) 40#define LTSSM_EN_VAL BIT(0)
41#define LTSSM_STATE_MASK 0x1f 41#define LTSSM_STATE_MASK 0x1f
42#define LTSSM_STATE_L0 0x11 42#define LTSSM_STATE_L0 0x11
43#define DBI_CS2_EN_VAL 0x20 43#define DBI_CS2 BIT(5)
44#define OB_XLAT_EN_VAL BIT(1) 44#define OB_XLAT_EN_VAL BIT(1)
45 45
46/* Application registers */ 46/* Application registers */
@@ -315,11 +315,12 @@ static void ks_pcie_set_dbi_mode(struct keystone_pcie *ks_pcie)
315 u32 val; 315 u32 val;
316 316
317 val = ks_pcie_app_readl(ks_pcie, CMD_STATUS); 317 val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);
318 ks_pcie_app_writel(ks_pcie, CMD_STATUS, DBI_CS2_EN_VAL | val); 318 val |= DBI_CS2;
319 ks_pcie_app_writel(ks_pcie, CMD_STATUS, val);
319 320
320 do { 321 do {
321 val = ks_pcie_app_readl(ks_pcie, CMD_STATUS); 322 val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);
322 } while (!(val & DBI_CS2_EN_VAL)); 323 } while (!(val & DBI_CS2));
323} 324}
324 325
325/** 326/**
@@ -333,11 +334,12 @@ static void ks_pcie_clear_dbi_mode(struct keystone_pcie *ks_pcie)
333 u32 val; 334 u32 val;
334 335
335 val = ks_pcie_app_readl(ks_pcie, CMD_STATUS); 336 val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);
336 ks_pcie_app_writel(ks_pcie, CMD_STATUS, ~DBI_CS2_EN_VAL & val); 337 val &= ~DBI_CS2;
338 ks_pcie_app_writel(ks_pcie, CMD_STATUS, val);
337 339
338 do { 340 do {
339 val = ks_pcie_app_readl(ks_pcie, CMD_STATUS); 341 val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);
340 } while (val & DBI_CS2_EN_VAL); 342 } while (val & DBI_CS2);
341} 343}
342 344
343static void ks_pcie_setup_rc_app_regs(struct keystone_pcie *ks_pcie) 345static void ks_pcie_setup_rc_app_regs(struct keystone_pcie *ks_pcie)