From e3e12f52b214121840b44c91de5b3e5af5d3eb84 Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 06 Nov 2023 03:04:41 +0000 Subject: [PATCH] rk3568 rt init --- kernel/drivers/video/rockchip/rga3/include/rga_iommu.h | 36 ++++++++++++++++++++++++++++++++++++ 1 files changed, 36 insertions(+), 0 deletions(-) diff --git a/kernel/drivers/video/rockchip/rga3/include/rga_iommu.h b/kernel/drivers/video/rockchip/rga3/include/rga_iommu.h index fd37377..b80a1f4 100644 --- a/kernel/drivers/video/rockchip/rga3/include/rga_iommu.h +++ b/kernel/drivers/video/rockchip/rga3/include/rga_iommu.h @@ -4,6 +4,42 @@ #include "rga_drv.h" +/* RGA_IOMMU register offsets */ +#define RGA_IOMMU_BASE 0xf00 +#define RGA_IOMMU_DTE_ADDR (RGA_IOMMU_BASE + 0x00) /* Directory table address */ +#define RGA_IOMMU_STATUS (RGA_IOMMU_BASE + 0x04) +#define RGA_IOMMU_COMMAND (RGA_IOMMU_BASE + 0x08) +#define RGA_IOMMU_PAGE_FAULT_ADDR (RGA_IOMMU_BASE + 0x0C) /* IOVA of last page fault */ +#define RGA_IOMMU_ZAP_ONE_LINE (RGA_IOMMU_BASE + 0x10) /* Shootdown one IOTLB entry */ +#define RGA_IOMMU_INT_RAWSTAT (RGA_IOMMU_BASE + 0x14) /* IRQ status ignoring mask */ +#define RGA_IOMMU_INT_CLEAR (RGA_IOMMU_BASE + 0x18) /* Acknowledge and re-arm irq */ +#define RGA_IOMMU_INT_MASK (RGA_IOMMU_BASE + 0x1C) /* IRQ enable */ +#define RGA_IOMMU_INT_STATUS (RGA_IOMMU_BASE + 0x20) /* IRQ status after masking */ +#define RGA_IOMMU_AUTO_GATING (RGA_IOMMU_BASE + 0x24) + +/* RGA_IOMMU_STATUS fields */ +#define RGA_IOMMU_STATUS_PAGING_ENABLED BIT(0) +#define RGA_IOMMU_STATUS_PAGE_FAULT_ACTIVE BIT(1) +#define RGA_IOMMU_STATUS_STALL_ACTIVE BIT(2) +#define RGA_IOMMU_STATUS_IDLE BIT(3) +#define RGA_IOMMU_STATUS_REPLAY_BUFFER_EMPTY BIT(4) +#define RGA_IOMMU_STATUS_PAGE_FAULT_IS_WRITE BIT(5) +#define RGA_IOMMU_STATUS_STALL_NOT_ACTIVE BIT(31) + +/* RGA_IOMMU_COMMAND command values */ +#define RGA_IOMMU_CMD_ENABLE_PAGING 0 /* Enable memory translation */ +#define RGA_IOMMU_CMD_DISABLE_PAGING 1 /* Disable memory translation */ +#define RGA_IOMMU_CMD_ENABLE_STALL 2 /* Stall paging to allow other cmds */ +#define RGA_IOMMU_CMD_DISABLE_STALL 3 /* Stop stall re-enables paging */ +#define RGA_IOMMU_CMD_ZAP_CACHE 4 /* Shoot down entire IOTLB */ +#define RGA_IOMMU_CMD_PAGE_FAULT_DONE 5 /* Clear page fault */ +#define RGA_IOMMU_CMD_FORCE_RESET 6 /* Reset all registers */ + +/* RGA_IOMMU_INT_* register fields */ +#define RGA_IOMMU_IRQ_PAGE_FAULT 0x01 /* page fault */ +#define RGA_IOMMU_IRQ_BUS_ERROR 0x02 /* bus read error */ +#define RGA_IOMMU_IRQ_MASK (RGA_IOMMU_IRQ_PAGE_FAULT | RGA_IOMMU_IRQ_BUS_ERROR) + /* * The maximum input is 8192*8192, the maximum output is 4096*4096 * The size of physical pages requested is: -- Gitblit v1.6.2