regs: test the ROUTE register

Create a test function that validates the offset and fields for
the ROUTE register, for every IPA version, making sure they match
what's already defined in "ipa_reg.h".

Signed-off-by: Alex Elder <elder@linaro.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/ipa_reg.c b/ipa_reg.c
index 0c32be5..8c811bd 100644
--- a/ipa_reg.c
+++ b/ipa_reg.c
@@ -396,12 +396,73 @@ static void ipa_reg_test_clkon_cfg(enum ipa_version version)
 	ipa_reg_test_fmask(reg, CLKON_CFG_DRBIP, mask);
 }
 
+static void ipa_reg_test_route(enum ipa_version version)
+{
+	const struct ipa_regs *regs = ipa_regs[version];
+	const char *vers = version_string(version);
+	const struct ipa_reg *reg;
+	u32 mask;
+
+	/* ROUTE is defined for all versions */
+	if (IPA_REG_ROUTE >= regs->reg_count) {
+		printf("version %s ROUTE > reg_count %u\n",
+			vers, regs->reg_count);
+		exit(1);
+	}
+
+	reg = regs->reg[IPA_REG_ROUTE];
+	if (!reg) {
+		printf("version %s ROUTE not defined\n",
+			vers);
+		exit(1);
+	}
+
+	if (!reg->name) {
+		printf("version %s ROUTE has no defined name\n",
+			vers);
+		exit(1);
+	}
+
+	if (strcmp(reg->name, "ROUTE")) {
+		printf("version %s ROUTE has wrong name %s\n",
+			vers, reg->name);
+		exit(1);
+	}
+
+	if (reg->offset != IPA_REG_ROUTE_OFFSET) {
+		printf("version %s %s offset 0x%04x, old 0x%04x\n",
+			vers, reg->name, reg->offset,
+			IPA_REG_ROUTE_OFFSET);
+		exit(1);
+	}
+
+	/* All ROUTE fields are defined for all versions */
+	mask = ROUTE_DIS_FMASK;
+	ipa_reg_test_fmask(reg, ROUTE_DIS, mask);
+
+	mask = ROUTE_DEF_PIPE_FMASK;
+	ipa_reg_test_fmask(reg, ROUTE_DEF_PIPE, mask);
+
+	mask = ROUTE_DEF_HDR_TABLE_FMASK;
+	ipa_reg_test_fmask(reg, ROUTE_DEF_HDR_TABLE, mask);
+
+	mask = ROUTE_DEF_HDR_OFST_FMASK;
+	ipa_reg_test_fmask(reg, ROUTE_DEF_HDR_OFST, mask);
+
+	mask = ROUTE_FRAG_DEF_PIPE_FMASK;
+	ipa_reg_test_fmask(reg, ROUTE_FRAG_DEF_PIPE, mask);
+
+	mask = ROUTE_DEF_RETAIN_HDR_FMASK;
+	ipa_reg_test_fmask(reg, ROUTE_DEF_RETAIN_HDR, mask);
+}
+
 static void ipa_reg_test(enum ipa_version version)
 {
 	printf("Testing %s\n", version_string(version));
 
 	ipa_reg_test_comp_cfg(version);
 	ipa_reg_test_clkon_cfg(version);
+	ipa_reg_test_route(version);
 }
 
 int ipa_reg_init(struct ipa *ipa)