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Diffstat (limited to 'tests/pnv-xscom-test.c')
-rw-r--r-- | tests/pnv-xscom-test.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/tests/pnv-xscom-test.c b/tests/pnv-xscom-test.c deleted file mode 100644 index 70f4c84d1b..0000000000 --- a/tests/pnv-xscom-test.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * QTest testcase for PowerNV XSCOM bus - * - * Copyright (c) 2016, IBM Corporation. - * - * This work is licensed under the terms of the GNU GPL, version 2 or - * later. See the COPYING file in the top-level directory. - */ -#include "qemu/osdep.h" - -#include "libqtest.h" - -typedef enum PnvChipType { - PNV_CHIP_POWER8E, /* AKA Murano (default) */ - PNV_CHIP_POWER8, /* AKA Venice */ - PNV_CHIP_POWER8NVL, /* AKA Naples */ - PNV_CHIP_POWER9, /* AKA Nimbus */ -} PnvChipType; - -typedef struct PnvChip { - PnvChipType chip_type; - const char *cpu_model; - uint64_t xscom_base; - uint64_t cfam_id; - uint32_t first_core; -} PnvChip; - -static const PnvChip pnv_chips[] = { - { - .chip_type = PNV_CHIP_POWER8, - .cpu_model = "POWER8", - .xscom_base = 0x0003fc0000000000ull, - .cfam_id = 0x220ea04980000000ull, - .first_core = 0x1, - }, { - .chip_type = PNV_CHIP_POWER8NVL, - .cpu_model = "POWER8NVL", - .xscom_base = 0x0003fc0000000000ull, - .cfam_id = 0x120d304980000000ull, - .first_core = 0x1, - }, -#if 0 /* POWER9 support is not ready yet */ - { - .chip_type = PNV_CHIP_POWER9, - .cpu_model = "POWER9", - .xscom_base = 0x000603fc00000000ull, - .cfam_id = 0x220d104900008000ull, - .first_core = 0x0, - }, -#endif -}; - -static uint64_t pnv_xscom_addr(const PnvChip *chip, uint32_t pcba) -{ - uint64_t addr = chip->xscom_base; - - if (chip->chip_type == PNV_CHIP_POWER9) { - addr |= ((uint64_t) pcba << 3); - } else { - addr |= (((uint64_t) pcba << 4) & ~0xffull) | - (((uint64_t) pcba << 3) & 0x78); - } - return addr; -} - -static uint64_t pnv_xscom_read(const PnvChip *chip, uint32_t pcba) -{ - return readq(pnv_xscom_addr(chip, pcba)); -} - -static void test_xscom_cfam_id(const PnvChip *chip) -{ - uint64_t f000f = pnv_xscom_read(chip, 0xf000f); - - g_assert_cmphex(f000f, ==, chip->cfam_id); -} - -static void test_cfam_id(const void *data) -{ - const PnvChip *chip = data; - - global_qtest = qtest_initf("-M powernv,accel=tcg -cpu %s", - chip->cpu_model); - test_xscom_cfam_id(chip); - qtest_quit(global_qtest); -} - - -#define PNV_XSCOM_EX_CORE_BASE 0x10000000ull -#define PNV_XSCOM_EX_BASE(core) \ - (PNV_XSCOM_EX_CORE_BASE | ((uint64_t)(core) << 24)) -#define PNV_XSCOM_P9_EC_BASE(core) \ - ((uint64_t)(((core) & 0x1F) + 0x20) << 24) - -#define PNV_XSCOM_EX_DTS_RESULT0 0x50000 - -static void test_xscom_core(const PnvChip *chip) -{ - uint32_t first_core_dts0 = PNV_XSCOM_EX_DTS_RESULT0; - uint64_t dts0; - - if (chip->chip_type != PNV_CHIP_POWER9) { - first_core_dts0 |= PNV_XSCOM_EX_BASE(chip->first_core); - } else { - first_core_dts0 |= PNV_XSCOM_P9_EC_BASE(chip->first_core); - } - - dts0 = pnv_xscom_read(chip, first_core_dts0); - - g_assert_cmphex(dts0, ==, 0x26f024f023f0000ull); -} - -static void test_core(const void *data) -{ - const PnvChip *chip = data; - - global_qtest = qtest_initf("-M powernv,accel=tcg -cpu %s", - chip->cpu_model); - test_xscom_core(chip); - qtest_quit(global_qtest); -} - -static void add_test(const char *name, void (*test)(const void *data)) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(pnv_chips); i++) { - char *tname = g_strdup_printf("pnv-xscom/%s/%s", name, - pnv_chips[i].cpu_model); - qtest_add_data_func(tname, &pnv_chips[i], test); - g_free(tname); - } -} - -int main(int argc, char **argv) -{ - g_test_init(&argc, &argv, NULL); - - add_test("cfam_id", test_cfam_id); - add_test("core", test_core); - return g_test_run(); -} |