diff options
Diffstat (limited to 'plat/mediatek/drivers/iommu/mt8188')
-rw-r--r-- | plat/mediatek/drivers/iommu/mt8188/mtk_iommu_plat.c | 99 | ||||
-rw-r--r-- | plat/mediatek/drivers/iommu/mt8188/mtk_iommu_plat.h | 24 |
2 files changed, 123 insertions, 0 deletions
diff --git a/plat/mediatek/drivers/iommu/mt8188/mtk_iommu_plat.c b/plat/mediatek/drivers/iommu/mt8188/mtk_iommu_plat.c new file mode 100644 index 0000000..1d6863f --- /dev/null +++ b/plat/mediatek/drivers/iommu/mt8188/mtk_iommu_plat.c @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <mtk_iommu_plat.h> +#include <mtk_mmap_pool.h> +#include <platform_def.h> + +/* mm iommu */ +#define SMI_L0_ID (0) +#define SMI_L1_ID (1) +#define SMI_L2_ID (2) +#define SMI_L3_ID (3) +#define SMI_L4_ID (4) +#define SMI_L5_ID (5) +#define SMI_L6_ID (6) +#define SMI_L7_ID (7) +#define SMI_L9_ID (8) +#define SMI_L10_ID (9) +#define SMI_L11A_ID (10) +#define SMI_L11B_ID (11) +#define SMI_L11C_ID (12) +#define SMI_L12_ID (13) +#define SMI_L13_ID (14) +#define SMI_L14_ID (15) +#define SMI_L15_ID (16) +#define SMI_L16A_ID (17) +#define SMI_L16B_ID (18) +#define SMI_L17A_ID (19) +#define SMI_L17B_ID (20) +#define SMI_L19_ID (21) +#define SMI_L21_ID (22) +#define SMI_L23_ID (23) +#define SMI_L27_ID (24) +#define SMI_L28_ID (25) + +/* infra iommu */ +#define PERI_MST_PROT (0x710) +#define PERICFG_AO_IOMMU_1 (0x714) +#define MMU_DEV_PCIE_0 (0) +#define IFR_CFG_GROUP_NUM (1) + +static struct mtk_smi_larb_config mt8188_larb_cfg[SMI_LARB_NUM] = { + [SMI_L0_ID] = LARB_CFG_ENTRY(SMI_LARB_0_BASE, 7, 0), + [SMI_L1_ID] = LARB_CFG_ENTRY(SMI_LARB_1_BASE, 7, 0), + [SMI_L2_ID] = LARB_CFG_ENTRY(SMI_LARB_2_BASE, 5, 0), + [SMI_L3_ID] = LARB_CFG_ENTRY(SMI_LARB_3_BASE, 7, 0), + [SMI_L4_ID] = LARB_CFG_ENTRY(SMI_LARB_4_BASE, 7, 0), + [SMI_L5_ID] = LARB_CFG_ENTRY(SMI_LARB_5_BASE, 8, 0), + [SMI_L6_ID] = LARB_CFG_ENTRY(SMI_LARB_6_BASE, 4, 0), + [SMI_L7_ID] = LARB_CFG_ENTRY(SMI_LARB_7_BASE, 3, 0), + [SMI_L9_ID] = LARB_CFG_ENTRY(SMI_LARB_9_BASE, 25, 0), + [SMI_L10_ID] = LARB_CFG_ENTRY(SMI_LARB_10_BASE, 20, 0), + [SMI_L11A_ID] = LARB_CFG_ENTRY(SMI_LARB_11A_BASE, 30, 0), + [SMI_L11B_ID] = LARB_CFG_ENTRY(SMI_LARB_11B_BASE, 30, 0), + [SMI_L11C_ID] = LARB_CFG_ENTRY(SMI_LARB_11C_BASE, 30, 0), + [SMI_L12_ID] = LARB_CFG_ENTRY(SMI_LARB_12_BASE, 16, 0), + [SMI_L13_ID] = LARB_CFG_ENTRY(SMI_LARB_13_BASE, 24, 0), + [SMI_L14_ID] = LARB_CFG_ENTRY(SMI_LARB_14_BASE, 23, 0), + [SMI_L15_ID] = LARB_CFG_ENTRY(SMI_LARB_15_BASE, 19, 0), + [SMI_L16A_ID] = LARB_CFG_ENTRY(SMI_LARB_16A_BASE, 17, 0), + [SMI_L16B_ID] = LARB_CFG_ENTRY(SMI_LARB_16B_BASE, 17, 0), + [SMI_L17A_ID] = LARB_CFG_ENTRY(SMI_LARB_17A_BASE, 7, 0), + [SMI_L17B_ID] = LARB_CFG_ENTRY(SMI_LARB_17B_BASE, 7, 0), + /* venc nbm ports (5/6/11/15/16/17) to sram */ + [SMI_L19_ID] = LARB_CFG_ENTRY_WITH_PATH(SMI_LARB_19_BASE, 27, 0, 0x38860), + [SMI_L21_ID] = LARB_CFG_ENTRY(SMI_LARB_21_BASE, 11, 0), + [SMI_L23_ID] = LARB_CFG_ENTRY(SMI_LARB_23_BASE, 9, 0), + [SMI_L27_ID] = LARB_CFG_ENTRY(SMI_LARB_27_BASE, 4, 0), + [SMI_L28_ID] = LARB_CFG_ENTRY(SMI_LARB_28_BASE, 0, 0), +}; + +static bool is_protected; + +static uint32_t mt8188_ifr_mst_cfg_base[IFR_CFG_GROUP_NUM] = { + PERICFG_AO_BASE, +}; +static uint32_t mt8188_ifr_mst_cfg_offs[IFR_CFG_GROUP_NUM] = { + PERICFG_AO_IOMMU_1, +}; +static struct mtk_ifr_mst_config mt8188_ifr_mst_cfg[MMU_DEV_NUM] = { + [MMU_DEV_PCIE_0] = IFR_MST_CFG_ENTRY(0, 18), +}; + +struct mtk_smi_larb_config *g_larb_cfg = &mt8188_larb_cfg[0]; +struct mtk_ifr_mst_config *g_ifr_mst_cfg = &mt8188_ifr_mst_cfg[0]; +uint32_t *g_ifr_mst_cfg_base = &mt8188_ifr_mst_cfg_base[0]; +uint32_t *g_ifr_mst_cfg_offs = &mt8188_ifr_mst_cfg_offs[0]; + +/* Protect infra iommu enable setting registers as secure access. */ +void mtk_infra_iommu_enable_protect(void) +{ + if (!is_protected) { + mmio_write_32(PERICFG_AO_BASE + PERI_MST_PROT, 0xffffffff); + is_protected = true; + } +} diff --git a/plat/mediatek/drivers/iommu/mt8188/mtk_iommu_plat.h b/plat/mediatek/drivers/iommu/mt8188/mtk_iommu_plat.h new file mode 100644 index 0000000..a59e0c7 --- /dev/null +++ b/plat/mediatek/drivers/iommu/mt8188/mtk_iommu_plat.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef IOMMU_PLAT_H +#define IOMMU_PLAT_H + +#include <mtk_iommu_priv.h> + +/* mm iommu */ +#define SMI_LARB_NUM (26) +extern struct mtk_smi_larb_config *g_larb_cfg; + +/* infra iommu */ +#define MMU_DEV_NUM (1) +extern struct mtk_ifr_mst_config *g_ifr_mst_cfg; +extern uint32_t *g_ifr_mst_cfg_base; +extern uint32_t *g_ifr_mst_cfg_offs; + +extern void mtk_infra_iommu_enable_protect(void); + +#endif /* IOMMU_PLAT_H */ |