iommu/exynos: Refactor init config code
This patch rewrites sysmmu_init_config function to make it easier to read and understand. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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d093fc7e83
Коммит
83addecdb7
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@ -383,24 +383,17 @@ static bool __sysmmu_disable(struct sysmmu_drvdata *data)
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static void __sysmmu_init_config(struct sysmmu_drvdata *data)
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{
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unsigned int cfg = CFG_LRU | CFG_QOS(15);
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unsigned int ver;
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unsigned int cfg;
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ver = MMU_RAW_VER(__raw_readl(data->sfrbase + REG_MMU_VERSION));
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if (MMU_MAJ_VER(ver) == 3) {
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if (MMU_MIN_VER(ver) >= 2) {
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cfg |= CFG_FLPDCACHE;
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if (MMU_MIN_VER(ver) == 3) {
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cfg |= CFG_ACGEN;
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cfg &= ~CFG_LRU;
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} else {
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cfg |= CFG_SYSSEL;
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}
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}
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}
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data->version = MMU_RAW_VER(__raw_readl(data->sfrbase + REG_MMU_VERSION));
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if (data->version <= MAKE_MMU_VER(3, 1))
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cfg = CFG_LRU | CFG_QOS(15);
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else if (data->version <= MAKE_MMU_VER(3, 2))
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cfg = CFG_LRU | CFG_QOS(15) | CFG_FLPDCACHE | CFG_SYSSEL;
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else
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cfg = CFG_QOS(15) | CFG_FLPDCACHE | CFG_ACGEN;
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__raw_writel(cfg, data->sfrbase + REG_MMU_CFG);
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data->version = ver;
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}
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static void __sysmmu_enable_nocount(struct sysmmu_drvdata *data)
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