diff options
author | Simon Glass <sjg@chromium.org> | 2020-04-26 09:19:46 -0600 |
---|---|---|
committer | Bin Meng <bmeng.cn@gmail.com> | 2020-04-30 17:16:12 +0800 |
commit | 93f7f82782cb3d2bd55215ce984887efc6cddfed (patch) | |
tree | 6dede3cc6b74da87d67b67cffd6675de6bf03b15 /test/dm/acpi.c | |
parent | fa04cef6443eab008b99f6439ec8a3b9939253b4 (diff) |
acpi: Add a method to write tables for a device
A device may want to write out ACPI tables to describe itself to Linux.
Add a method to permit this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Diffstat (limited to 'test/dm/acpi.c')
-rw-r--r-- | test/dm/acpi.c | 74 |
1 files changed, 71 insertions, 3 deletions
diff --git a/test/dm/acpi.c b/test/dm/acpi.c index e7b8abd5569..fb7b7e46b20 100644 --- a/test/dm/acpi.c +++ b/test/dm/acpi.c @@ -8,12 +8,26 @@ #include <common.h> #include <dm.h> +#include <version.h> #include <acpi/acpi_table.h> #include <dm/acpi.h> #include <dm/test.h> #include <test/ut.h> #define ACPI_TEST_DEV_NAME "ABCD" +#define BUF_SIZE 4096 + +static int testacpi_write_tables(const struct udevice *dev, + struct acpi_ctx *ctx) +{ + struct acpi_dmar *dmar; + + dmar = (struct acpi_dmar *)ctx->current; + acpi_create_dmar(dmar, DMAR_INTR_REMAP); + ctx->current += sizeof(struct acpi_dmar); + + return 0; +} static int testacpi_get_name(const struct udevice *dev, char *out_name) { @@ -22,6 +36,7 @@ static int testacpi_get_name(const struct udevice *dev, char *out_name) struct acpi_ops testacpi_ops = { .get_name = testacpi_get_name, + .write_tables = testacpi_write_tables, }; static const struct udevice_id testacpi_ids[] = { @@ -68,8 +83,6 @@ static int dm_test_acpi_get_table_revision(struct unit_test_state *uts) DM_TEST(dm_test_acpi_get_table_revision, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); -/* Temporary change to ensure bisectability */ -#ifndef CONFIG_SANDBOX /* Test acpi_create_dmar() */ static int dm_test_acpi_create_dmar(struct unit_test_state *uts) { @@ -82,4 +95,59 @@ static int dm_test_acpi_create_dmar(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_acpi_create_dmar, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); -#endif + +/* Test acpi_fill_header() */ +static int dm_test_acpi_fill_header(struct unit_test_state *uts) +{ + struct acpi_table_header hdr; + + /* Make sure these 5 fields are not changed */ + hdr.length = 0x11; + hdr.revision = 0x22; + hdr.checksum = 0x33; + hdr.aslc_revision = 0x44; + acpi_fill_header(&hdr, "ABCD"); + + ut_asserteq_mem("ABCD", hdr.signature, sizeof(hdr.signature)); + ut_asserteq(0x11, hdr.length); + ut_asserteq(0x22, hdr.revision); + ut_asserteq(0x33, hdr.checksum); + ut_asserteq_mem(OEM_ID, hdr.oem_id, sizeof(hdr.oem_id)); + ut_asserteq_mem(OEM_TABLE_ID, hdr.oem_table_id, + sizeof(hdr.oem_table_id)); + ut_asserteq(U_BOOT_BUILD_DATE, hdr.oem_revision); + ut_asserteq_mem(ASLC_ID, hdr.aslc_id, sizeof(hdr.aslc_id)); + ut_asserteq(0x44, hdr.aslc_revision); + + return 0; +} +DM_TEST(dm_test_acpi_fill_header, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test ACPI write_tables() */ +static int dm_test_acpi_write_tables(struct unit_test_state *uts) +{ + struct acpi_dmar *dmar; + struct acpi_ctx ctx; + void *buf; + + buf = malloc(BUF_SIZE); + ut_assertnonnull(buf); + + ctx.current = buf; + ut_assertok(acpi_write_dev_tables(&ctx)); + dmar = buf; + + /* + * We should have two dmar tables, one for each "denx,u-boot-acpi-test" + * device + */ + ut_asserteq_ptr(dmar + 2, ctx.current); + ut_asserteq(DMAR_INTR_REMAP, dmar->flags); + ut_asserteq(32 - 1, dmar->host_address_width); + + ut_asserteq(DMAR_INTR_REMAP, dmar[1].flags); + ut_asserteq(32 - 1, dmar[1].host_address_width); + + return 0; +} +DM_TEST(dm_test_acpi_write_tables, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |