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iommu/mediatek: Introduce new flag TF_PORT_TO_ADDR_MT8173

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In preparation for adding support for MT6795, add a new flag named
TF_PORT_TO_ADDR_MT8173 and use that instead of checking for m4u_plat
type in mtk_iommu_hw_init() to avoid seeing a long list of m4u_plat
checks there in the future.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220913151148.412312-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
AngeloGioacchino Del Regno 2022-09-13 17:11:47 +02:00 committed by Joerg Roedel
parent 4e5f8465c6
commit 86580ec969
1 changed files with 4 additions and 2 deletions
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6
drivers/iommu/mtk_iommu.c
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@ -138,6 +138,7 @@
#define PM_CLK_AO BIT(15)
#define IFA_IOMMU_PCIE_SUPPORT BIT(16)
#define PGTABLE_PA_35_EN BIT(17)
#define TF_PORT_TO_ADDR_MT8173 BIT(18)
#define MTK_IOMMU_HAS_FLAG_MASK(pdata, _x, mask) \
((((pdata)->flags) & (mask)) == (_x))
@ -955,7 +956,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data, unsigned int ban
* Global control settings are in bank0. May re-init these global registers
* since no sure if there is bank0 consumers.
*/
if (data->plat_data->m4u_plat == M4U_MT8173) {
if (MTK_IOMMU_HAS_FLAG(data->plat_data, TF_PORT_TO_ADDR_MT8173)) {
regval = F_MMU_PREFETCH_RT_REPLACE_MOD |
F_MMU_TF_PROT_TO_PROGRAM_ADDR_MT8173;
} else {
@ -1427,7 +1428,8 @@ static const struct mtk_iommu_plat_data mt8167_data = {
static const struct mtk_iommu_plat_data mt8173_data = {
.m4u_plat = M4U_MT8173,
.flags = HAS_4GB_MODE | HAS_BCLK | RESET_AXI |
HAS_LEGACY_IVRP_PADDR | MTK_IOMMU_TYPE_MM,
HAS_LEGACY_IVRP_PADDR | MTK_IOMMU_TYPE_MM |
TF_PORT_TO_ADDR_MT8173,
.inv_sel_reg = REG_MMU_INV_SEL_GEN1,
.banks_num = 1,
.banks_enable = {true},