[PATCH v3 3/7] PCI: microchip: Align register, offset, and mask names with hw docs

daire.mcnamara
2023-07-28T13:14:17Z

Minor re-organisation so that macros representing registers ascend in
numerical order and use the same names as their hardware documentation.
Removed registers not used by the driver.

Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
---
drivers/pci/controller/pcie-microchip-host.c | 122 +++++++++----------
1 file changed, 60 insertions(+), 62 deletions(-)

diff --git a/drivers/pci/controller/pcie-microchip-host.c b/drivers/pci/controller/pcie-microchip-host.c
index 5c89caaab8c9..30153fd1a2b3 100644
--- a/drivers/pci/controller/pcie-microchip-host.c
+++ b/drivers/pci/controller/pcie-microchip-host.c
@@ -30,66 +30,7 @@
#define MC_PCIE_BRIDGE_ADDR (MC_PCIE1_BRIDGE_ADDR)
#define MC_PCIE_CTRL_ADDR (MC_PCIE1_CTRL_ADDR)

-/* PCIe Controller Phy Regs */
-#define SEC_ERROR_CNT 0x20
-#define DED_ERROR_CNT 0x24
-#define SEC_ERROR_INT 0x28
-#define SEC_ERROR_INT_TX_RAM_SEC_ERR_INT GENMASK(3, 0)
-#define SEC_ERROR_INT_RX_RAM_SEC_ERR_INT GENMASK(7, 4)
-#define SEC_ERROR_INT_PCIE2AXI_RAM_SEC_ERR_INT GENMASK(11, 8)
-#define SEC_ERROR_INT_AXI2PCIE_RAM_SEC_ERR_INT GENMASK(15, 12)
-#define NUM_SEC_ERROR_INTS (4)
-#define SEC_ERROR_INT_MASK 0x2c
-#define DED_ERROR_INT 0x30
-#define DED_ERROR_INT_TX_RAM_DED_ERR_INT GENMASK(3, 0)
-#define DED_ERROR_INT_RX_RAM_DED_ERR_INT GENMASK(7, 4)
-#define DED_ERROR_INT_PCIE2AXI_RAM_DED_ERR_INT GENMASK(11, 8)
-#define DED_ERROR_INT_AXI2PCIE_RAM_DED_ERR_INT GENMASK(15, 12)
-#define NUM_DED_ERROR_INTS (4)
-#define DED_ERROR_INT_MASK 0x34
-#define ECC_CONTROL 0x38
-#define ECC_CONTROL_TX_RAM_INJ_ERROR_0 BIT(0)
-#define ECC_CONTROL_TX_RAM_INJ_ERROR_1 BIT(1)
-#define ECC_CONTROL_TX_RAM_INJ_ERROR_2 BIT(2)
-#define ECC_CONTROL_TX_RAM_INJ_ERROR_3 BIT(3)
-#define ECC_CONTROL_RX_RAM_INJ_ERROR_0 BIT(4)
-#define ECC_CONTROL_RX_RAM_INJ_ERROR_1 BIT(5)
-#define ECC_CONTROL_RX_RAM_INJ_ERROR_2 BIT(6)
-#define ECC_CONTROL_RX_RAM_INJ_ERROR_3 BIT(7)
-#define ECC_CONTROL_PCIE2AXI_RAM_INJ_ERROR_0 BIT(8)
-#define ECC_CONTROL_PCIE2AXI_RAM_INJ_ERROR_1 BIT(9)
-#define ECC_CONTROL_PCIE2AXI_RAM_INJ_ERROR_2 BIT(10)
-#define ECC_CONTROL_PCIE2AXI_RAM_INJ_ERROR_3 BIT(11)
-#define ECC_CONTROL_AXI2PCIE_RAM_INJ_ERROR_0 BIT(12)
-#define ECC_CONTROL_AXI2PCIE_RAM_INJ_ERROR_1 BIT(13)
-#define ECC_CONTROL_AXI2PCIE_RAM_INJ_ERROR_2 BIT(14)
-#define ECC_CONTROL_AXI2PCIE_RAM_INJ_ERROR_3 BIT(15)
-#define ECC_CONTROL_TX_RAM_ECC_BYPASS BIT(24)
-#define ECC_CONTROL_RX_RAM_ECC_BYPASS BIT(25)
-#define ECC_CONTROL_PCIE2AXI_RAM_ECC_BYPASS BIT(26)
-#define ECC_CONTROL_AXI2PCIE_RAM_ECC_BYPASS BIT(27)
-#define LTSSM_STATE 0x5c
-#define LTSSM_L0_STATE 0x10
-#define PCIE_EVENT_INT 0x14c
-#define PCIE_EVENT_INT_L2_EXIT_INT BIT(0)
-#define PCIE_EVENT_INT_HOTRST_EXIT_INT BIT(1)
-#define PCIE_EVENT_INT_DLUP_EXIT_INT BIT(2)
-#define PCIE_EVENT_INT_MASK GENMASK(2, 0)
-#define PCIE_EVENT_INT_L2_EXIT_INT_MASK BIT(16)
-#define PCIE_EVENT_INT_HOTRST_EXIT_INT_MASK BIT(17)
-#define PCIE_EVENT_INT_DLUP_EXIT_INT_MASK BIT(18)
-#define PCIE_EVENT_INT_ENB_MASK GENMASK(18, 16)
-#define PCIE_EVENT_INT_ENB_SHIFT 16
-#define NUM_PCIE_EVENTS (3)
-
/* PCIe Bridge Phy Regs */
-#define PCIE_PCI_IDS_DW1 0x9c
-
-/* PCIe Config space MSI capability structure */
-#define MC_MSI_CAP_CTRL_OFFSET 0xe0u
-#define MC_MSI_MAX_Q_AVAIL (MC_NUM_MSI_IRQS_CODED << 1)
-#define MC_MSI_Q_SIZE (MC_NUM_MSI_IRQS_CODED << 4)
-
#define IMASK_LOCAL 0x180
#define DMA_END_ENGINE_0_MASK 0x00000000u
#define DMA_END_ENGINE_0_SHIFT 0
@@ -137,7 +78,8 @@
#define ISTATUS_LOCAL 0x184
#define IMASK_HOST 0x188
#define ISTATUS_HOST 0x18c
-#define MSI_ADDR 0x190
+#define IMSI_ADDR 0x190
+#define MSI_ADDR 0x190
#define ISTATUS_MSI 0x194

/* PCIe Master table init defines */
@@ -162,6 +104,62 @@

#define ATR_ENTRY_SIZE 32

+/* PCIe Controller Phy Regs */
+#define SEC_ERROR_EVENT_CNT 0x20
+#define DED_ERROR_EVENT_CNT 0x24
+#define SEC_ERROR_INT 0x28
+#define SEC_ERROR_INT_TX_RAM_SEC_ERR_INT GENMASK(3, 0)
+#define SEC_ERROR_INT_RX_RAM_SEC_ERR_INT GENMASK(7, 4)
+#define SEC_ERROR_INT_PCIE2AXI_RAM_SEC_ERR_INT GENMASK(11, 8)
+#define SEC_ERROR_INT_AXI2PCIE_RAM_SEC_ERR_INT GENMASK(15, 12)
+#define NUM_SEC_ERROR_INTS (4)
+#define SEC_ERROR_INT_MASK 0x2c
+#define DED_ERROR_INT 0x30
+#define DED_ERROR_INT_TX_RAM_DED_ERR_INT GENMASK(3, 0)
+#define DED_ERROR_INT_RX_RAM_DED_ERR_INT GENMASK(7, 4)
+#define DED_ERROR_INT_PCIE2AXI_RAM_DED_ERR_INT GENMASK(11, 8)
+#define DED_ERROR_INT_AXI2PCIE_RAM_DED_ERR_INT GENMASK(15, 12)
+#define NUM_DED_ERROR_INTS (4)
+#define DED_ERROR_INT_MASK 0x34
+#define ECC_CONTROL 0x38
+#define ECC_CONTROL_TX_RAM_INJ_ERROR_0 BIT(0)
+#define ECC_CONTROL_TX_RAM_INJ_ERROR_1 BIT(1)
+#define ECC_CONTROL_TX_RAM_INJ_ERROR_2 BIT(2)
+#define ECC_CONTROL_TX_RAM_INJ_ERROR_3 BIT(3)
+#define ECC_CONTROL_RX_RAM_INJ_ERROR_0 BIT(4)
+#define ECC_CONTROL_RX_RAM_INJ_ERROR_1 BIT(5)
+#define ECC_CONTROL_RX_RAM_INJ_ERROR_2 BIT(6)
+#define ECC_CONTROL_RX_RAM_INJ_ERROR_3 BIT(7)
+#define ECC_CONTROL_PCIE2AXI_RAM_INJ_ERROR_0 BIT(8)
+#define ECC_CONTROL_PCIE2AXI_RAM_INJ_ERROR_1 BIT(9)
+#define ECC_CONTROL_PCIE2AXI_RAM_INJ_ERROR_2 BIT(10)
+#define ECC_CONTROL_PCIE2AXI_RAM_INJ_ERROR_3 BIT(11)
+#define ECC_CONTROL_AXI2PCIE_RAM_INJ_ERROR_0 BIT(12)
+#define ECC_CONTROL_AXI2PCIE_RAM_INJ_ERROR_1 BIT(13)
+#define ECC_CONTROL_AXI2PCIE_RAM_INJ_ERROR_2 BIT(14)
+#define ECC_CONTROL_AXI2PCIE_RAM_INJ_ERROR_3 BIT(15)
+#define ECC_CONTROL_TX_RAM_ECC_BYPASS BIT(24)
+#define ECC_CONTROL_RX_RAM_ECC_BYPASS BIT(25)
+#define ECC_CONTROL_PCIE2AXI_RAM_ECC_BYPASS BIT(26)
+#define ECC_CONTROL_AXI2PCIE_RAM_ECC_BYPASS BIT(27)
+#define PCIE_EVENT_INT 0x14c
+#define PCIE_EVENT_INT_L2_EXIT_INT BIT(0)
+#define PCIE_EVENT_INT_HOTRST_EXIT_INT BIT(1)
+#define PCIE_EVENT_INT_DLUP_EXIT_INT BIT(2)
+#define PCIE_EVENT_INT_MASK GENMASK(2, 0)
+#define PCIE_EVENT_INT_L2_EXIT_INT_MASK BIT(16)
+#define PCIE_EVENT_INT_HOTRST_EXIT_INT_MASK BIT(17)
+#define PCIE_EVENT_INT_DLUP_EXIT_INT_MASK BIT(18)
+#define PCIE_EVENT_INT_ENB_MASK GENMASK(18, 16)
+#define PCIE_EVENT_INT_ENB_SHIFT 16
+#define NUM_PCIE_EVENTS (3)
+
+/* PCIe Config space MSI capability structure */
+#define MC_MSI_CAP_CTRL_OFFSET 0xe0u
+#define MC_MSI_MAX_Q_AVAIL (MC_NUM_MSI_IRQS_CODED << 1)
+#define MC_MSI_Q_SIZE (MC_NUM_MSI_IRQS_CODED << 4)
+
+/* Events */
#define EVENT_PCIE_L2_EXIT 0
#define EVENT_PCIE_HOTRST_EXIT 1
#define EVENT_PCIE_DLUP_EXIT 2
@@ -1086,7 +1084,7 @@ static int mc_platform_init(struct pci_config_window *cfg)
SEC_ERROR_INT_AXI2PCIE_RAM_SEC_ERR_INT;
writel_relaxed(val, ctrl_base_addr + SEC_ERROR_INT);
writel_relaxed(0, ctrl_base_addr + SEC_ERROR_INT_MASK);
- writel_relaxed(0, ctrl_base_addr + SEC_ERROR_CNT);
+ writel_relaxed(0, ctrl_base_addr + SEC_ERROR_EVENT_CNT);

val = DED_ERROR_INT_TX_RAM_DED_ERR_INT |
DED_ERROR_INT_RX_RAM_DED_ERR_INT |
@@ -1094,7 +1092,7 @@ static int mc_platform_init(struct pci_config_window *cfg)
DED_ERROR_INT_AXI2PCIE_RAM_DED_ERR_INT;
writel_relaxed(val, ctrl_base_addr + DED_ERROR_INT);
writel_relaxed(0, ctrl_base_addr + DED_ERROR_INT_MASK);
- writel_relaxed(0, ctrl_base_addr + DED_ERROR_CNT);
+ writel_relaxed(0, ctrl_base_addr + DED_ERROR_EVENT_CNT);

writel_relaxed(0, bridge_base_addr + IMASK_HOST);
writel_relaxed(GENMASK(31, 0), bridge_base_addr + ISTATUS_HOST);
--
2.25.1