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iommu/ipmmu-vmsa: Add support for R-Car Gen4

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Add support for R-Car Gen4 like r8a779f0 (R-Car S4-8). The IPMMU
hardware design of r8a779f0 is the same as r8a779a0. So, rename
"r8a779a0" to "rcar_gen4".

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220208002030.1319984-3-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Yoshihiro Shimoda 2022-02-08 09:20:30 +09:00 committed by Joerg Roedel
parent da9f8386d6
commit ae684caf46
1 changed files with 7 additions and 3 deletions
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10
drivers/iommu/ipmmu-vmsa.c
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@ -719,6 +719,7 @@ static int ipmmu_init_platform_device(struct device *dev,
static const struct soc_device_attribute soc_needs_opt_in[] = {
{ .family = "R-Car Gen3", },
{ .family = "R-Car Gen4", },
{ .family = "RZ/G2", },
{ /* sentinel */ }
};
@ -743,7 +744,7 @@ static bool ipmmu_device_is_allowed(struct device *dev)
unsigned int i;
/*
* R-Car Gen3 and RZ/G2 use the allow list to opt-in devices.
* R-Car Gen3/4 and RZ/G2 use the allow list to opt-in devices.
* For Other SoCs, this returns true anyway.
*/
if (!soc_device_match(soc_needs_opt_in))
@ -926,7 +927,7 @@ static const struct ipmmu_features ipmmu_features_rcar_gen3 = {
.utlb_offset_base = 0,
};
static const struct ipmmu_features ipmmu_features_r8a779a0 = {
static const struct ipmmu_features ipmmu_features_rcar_gen4 = {
.use_ns_alias_offset = false,
.has_cache_leaf_nodes = true,
.number_of_contexts = 16,
@ -982,7 +983,10 @@ static const struct of_device_id ipmmu_of_ids[] = {
.data = &ipmmu_features_rcar_gen3,
}, {
.compatible = "renesas,ipmmu-r8a779a0",
.data = &ipmmu_features_r8a779a0,
.data = &ipmmu_features_rcar_gen4,
}, {
.compatible = "renesas,rcar-gen4-ipmmu",
.data = &ipmmu_features_rcar_gen4,
}, {
/* Terminator */
},