linux-kernel - [PATCH v2 05/17] memory: tegra: add flush operation for Tegra124 memory clients

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Date:	Thu, 12 Mar 2015 20:15:06 +0800
From:	Vince Hsu <vinceh@...dia.com>
To:	thierry.reding@...il.com, pdeschrijver@...dia.com,
	swarren@...dotorg.org, gnurou@...il.com, jroedel@...e.de,
	p.zabel@...gutronix.de, mturquette@...aro.org, pgaikwad@...dia.com,
	sboyd@...eaurora.org, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, linux@....linux.org.uk,
	tbergstrom@...dia.com, airlied@...ux.ie, bhelgaas@...gle.com,
	tj@...nel.org, arnd@...db.de, robh@...nel.org, will.deacon@....com
CC:	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-pm@...r.kernel.org, rjw@...ysocki.net,
	viresh.kumar@...aro.org, Vince Hsu <vinceh@...dia.com>
Subject: [PATCH v2 05/17] memory: tegra: add flush operation for Tegra124 memory clients

This patch adds the hot reset register table and flush related callback
functions for Tegra124.

Signed-off-by: Vince Hsu <vinceh@...dia.com>

---
v2: move the drop of tegra124_mc_clients' const to patch #2
    move mc flush operations to tegra114

 drivers/memory/tegra/tegra124.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/drivers/memory/tegra/tegra124.c b/drivers/memory/tegra/tegra124.c
index ec25546835fe..ef74f060e59e 100644
--- a/drivers/memory/tegra/tegra124.c
+++ b/drivers/memory/tegra/tegra124.c
@@ -959,7 +959,40 @@ static const struct tegra_smmu_swgroup tegra124_swgroups[] = {
 	{ .swgroup = TEGRA_SWGROUP_VI,        .reg = 0x280 },
 };
 
+static struct tegra_mc_hotreset tegra124_mc_hotreset[] = {
+	{TEGRA_SWGROUP_AFI,        0x200, 0x204,  0},
+	{TEGRA_SWGROUP_AVPC,       0x200, 0x204,  1},
+	{TEGRA_SWGROUP_DC,         0x200, 0x204,  2},
+	{TEGRA_SWGROUP_DCB,        0x200, 0x204,  3},
+	{TEGRA_SWGROUP_HC,         0x200, 0x204,  6},
+	{TEGRA_SWGROUP_HDA,        0x200, 0x204,  7},
+	{TEGRA_SWGROUP_ISP2,       0x200, 0x204,  8},
+	{TEGRA_SWGROUP_MPCORE,     0x200, 0x204,  9},
+	{TEGRA_SWGROUP_MPCORELP,   0x200, 0x204, 10},
+	{TEGRA_SWGROUP_MSENC,      0x200, 0x204, 11},
+	{TEGRA_SWGROUP_PPCS,       0x200, 0x204, 14},
+	{TEGRA_SWGROUP_SATA,       0x200, 0x204, 15},
+	{TEGRA_SWGROUP_VDE,        0x200, 0x204, 16},
+	{TEGRA_SWGROUP_VI,         0x200, 0x204, 17},
+	{TEGRA_SWGROUP_VIC,        0x200, 0x204, 18},
+	{TEGRA_SWGROUP_XUSB_HOST,  0x200, 0x204, 19},
+	{TEGRA_SWGROUP_XUSB_DEV,   0x200, 0x204, 20},
+	{TEGRA_SWGROUP_TSEC,       0x200, 0x204, 22},
+	{TEGRA_SWGROUP_SDMMC1A,    0x200, 0x204, 29},
+	{TEGRA_SWGROUP_SDMMC2A,    0x200, 0x204, 30},
+	{TEGRA_SWGROUP_SDMMC3A,    0x200, 0x204, 31},
+	{TEGRA_SWGROUP_SDMMC4A,    0x970, 0x974,  0},
+	{TEGRA_SWGROUP_ISP2B,      0x970, 0x974,  1},
+	{TEGRA_SWGROUP_GPU,        0x970, 0x974,  2},
+};
+
 #ifdef CONFIG_ARCH_TEGRA_124_SOC
+
+static const struct tegra_mc_ops tegra124_mc_ops = {
+	.flush = tegra114_mc_flush,
+	.flush_done = tegra114_mc_flush_done,
+};
+
 static void tegra124_flush_dcache(struct page *page, unsigned long offset,
 				  size_t size)
 {
@@ -991,5 +1024,8 @@ const struct tegra_mc_soc tegra124_mc_soc = {
 	.num_address_bits = 34,
 	.atom_size = 32,
 	.smmu = &tegra124_smmu_soc,
+	.hotresets = tegra124_mc_hotreset,
+	.num_hotresets = ARRAY_SIZE(tegra124_mc_hotreset),
+	.ops = &tegra124_mc_ops,
 };
 #endif /* CONFIG_ARCH_TEGRA_124_SOC */
-- 
2.1.4

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