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memory: tegra: Add Tegra132 support

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The memory controller on Tegra132 is very similar to the one found on
Tegra124. But the Denver CPUs don't have an outer cache, so dcache
maintenance is done slightly differently.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding
2014-11-07 16:10:41 +01:00
parent d1313e7896
commit 242b1d7133
5 changed files with 42 additions and 1 deletions
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1
drivers/memory/tegra/Makefile
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@@ -3,5 +3,6 @@ tegra-mc-y := mc.o
tegra-mc-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30.o
tegra-mc-$(CONFIG_ARCH_TEGRA_114_SOC) += tegra114.o
tegra-mc-$(CONFIG_ARCH_TEGRA_124_SOC) += tegra124.o
tegra-mc-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra124.o
obj-$(CONFIG_TEGRA_MC) += tegra-mc.o

3
drivers/memory/tegra/mc.c
View File

@@ -57,6 +57,9 @@ static const struct of_device_id tegra_mc_of_match[] = {
#endif
#ifdef CONFIG_ARCH_TEGRA_124_SOC
{ .compatible = "nvidia,tegra124-mc", .data = &tegra124_mc_soc },
#endif
#ifdef CONFIG_ARCH_TEGRA_132_SOC
{ .compatible = "nvidia,tegra132-mc", .data = &tegra132_mc_soc },
#endif
{ }
};

4
drivers/memory/tegra/mc.h
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@@ -37,4 +37,8 @@ extern const struct tegra_mc_soc tegra114_mc_soc;
extern const struct tegra_mc_soc tegra124_mc_soc;
#endif
#ifdef CONFIG_ARCH_TEGRA_132_SOC
extern const struct tegra_mc_soc tegra132_mc_soc;
#endif
#endif /* MEMORY_TEGRA_MC_H */

33
drivers/memory/tegra/tegra124.c
View File

@@ -993,3 +993,36 @@ const struct tegra_mc_soc tegra124_mc_soc = {
.smmu = &tegra124_smmu_soc,
};
#endif /* CONFIG_ARCH_TEGRA_124_SOC */
#ifdef CONFIG_ARCH_TEGRA_132_SOC
static void tegra132_flush_dcache(struct page *page, unsigned long offset,
size_t size)
{
void *virt = page_address(page) + offset;
__flush_dcache_area(virt, size);
}
static const struct tegra_smmu_ops tegra132_smmu_ops = {
.flush_dcache = tegra132_flush_dcache,
};
static const struct tegra_smmu_soc tegra132_smmu_soc = {
.clients = tegra124_mc_clients,
.num_clients = ARRAY_SIZE(tegra124_mc_clients),
.swgroups = tegra124_swgroups,
.num_swgroups = ARRAY_SIZE(tegra124_swgroups),
.supports_round_robin_arbitration = true,
.supports_request_limit = true,
.num_asids = 128,
.ops = &tegra132_smmu_ops,
};
const struct tegra_mc_soc tegra132_mc_soc = {
.clients = tegra124_mc_clients,
.num_clients = ARRAY_SIZE(tegra124_mc_clients),
.num_address_bits = 34,
.atom_size = 32,
.smmu = &tegra132_smmu_soc,
};
#endif /* CONFIG_ARCH_TEGRA_132_SOC */