1*1e8a1faeSThomas Huth /* 2*1e8a1faeSThomas Huth * QTest testcase for SDHCI controllers 3*1e8a1faeSThomas Huth * 4*1e8a1faeSThomas Huth * Written by Philippe Mathieu-Daudé <f4bug@amsat.org> 5*1e8a1faeSThomas Huth * 6*1e8a1faeSThomas Huth * This work is licensed under the terms of the GNU GPL, version 2 or later. 7*1e8a1faeSThomas Huth * See the COPYING file in the top-level directory. 8*1e8a1faeSThomas Huth * SPDX-License-Identifier: GPL-2.0-or-later 9*1e8a1faeSThomas Huth */ 10*1e8a1faeSThomas Huth 11*1e8a1faeSThomas Huth #include "qemu/osdep.h" 12*1e8a1faeSThomas Huth #include "hw/registerfields.h" 13*1e8a1faeSThomas Huth #include "libqtest.h" 14*1e8a1faeSThomas Huth #include "qemu/module.h" 15*1e8a1faeSThomas Huth #include "libqos/pci-pc.h" 16*1e8a1faeSThomas Huth #include "hw/pci/pci.h" 17*1e8a1faeSThomas Huth #include "libqos/qgraph.h" 18*1e8a1faeSThomas Huth #include "libqos/sdhci.h" 19*1e8a1faeSThomas Huth 20*1e8a1faeSThomas Huth #define SDHC_CAPAB 0x40 21*1e8a1faeSThomas Huth FIELD(SDHC_CAPAB, BASECLKFREQ, 8, 8); /* since v2 */ 22*1e8a1faeSThomas Huth FIELD(SDHC_CAPAB, SDMA, 22, 1); 23*1e8a1faeSThomas Huth FIELD(SDHC_CAPAB, SDR, 32, 3); /* since v3 */ 24*1e8a1faeSThomas Huth FIELD(SDHC_CAPAB, DRIVER, 36, 3); /* since v3 */ 25*1e8a1faeSThomas Huth #define SDHC_HCVER 0xFE 26*1e8a1faeSThomas Huth 27*1e8a1faeSThomas Huth static void check_specs_version(QSDHCI *s, uint8_t version) 28*1e8a1faeSThomas Huth { 29*1e8a1faeSThomas Huth uint32_t v; 30*1e8a1faeSThomas Huth 31*1e8a1faeSThomas Huth v = s->readw(s, SDHC_HCVER); 32*1e8a1faeSThomas Huth v &= 0xff; 33*1e8a1faeSThomas Huth v += 1; 34*1e8a1faeSThomas Huth g_assert_cmpuint(v, ==, version); 35*1e8a1faeSThomas Huth } 36*1e8a1faeSThomas Huth 37*1e8a1faeSThomas Huth static void check_capab_capareg(QSDHCI *s, uint64_t expec_capab) 38*1e8a1faeSThomas Huth { 39*1e8a1faeSThomas Huth uint64_t capab; 40*1e8a1faeSThomas Huth 41*1e8a1faeSThomas Huth capab = s->readq(s, SDHC_CAPAB); 42*1e8a1faeSThomas Huth g_assert_cmphex(capab, ==, expec_capab); 43*1e8a1faeSThomas Huth } 44*1e8a1faeSThomas Huth 45*1e8a1faeSThomas Huth static void check_capab_readonly(QSDHCI *s) 46*1e8a1faeSThomas Huth { 47*1e8a1faeSThomas Huth const uint64_t vrand = 0x123456789abcdef; 48*1e8a1faeSThomas Huth uint64_t capab0, capab1; 49*1e8a1faeSThomas Huth 50*1e8a1faeSThomas Huth capab0 = s->readq(s, SDHC_CAPAB); 51*1e8a1faeSThomas Huth g_assert_cmpuint(capab0, !=, vrand); 52*1e8a1faeSThomas Huth 53*1e8a1faeSThomas Huth s->writeq(s, SDHC_CAPAB, vrand); 54*1e8a1faeSThomas Huth capab1 = s->readq(s, SDHC_CAPAB); 55*1e8a1faeSThomas Huth g_assert_cmpuint(capab1, !=, vrand); 56*1e8a1faeSThomas Huth g_assert_cmpuint(capab1, ==, capab0); 57*1e8a1faeSThomas Huth } 58*1e8a1faeSThomas Huth 59*1e8a1faeSThomas Huth static void check_capab_baseclock(QSDHCI *s, uint8_t expec_freq) 60*1e8a1faeSThomas Huth { 61*1e8a1faeSThomas Huth uint64_t capab, capab_freq; 62*1e8a1faeSThomas Huth 63*1e8a1faeSThomas Huth if (!expec_freq) { 64*1e8a1faeSThomas Huth return; 65*1e8a1faeSThomas Huth } 66*1e8a1faeSThomas Huth capab = s->readq(s, SDHC_CAPAB); 67*1e8a1faeSThomas Huth capab_freq = FIELD_EX64(capab, SDHC_CAPAB, BASECLKFREQ); 68*1e8a1faeSThomas Huth g_assert_cmpuint(capab_freq, ==, expec_freq); 69*1e8a1faeSThomas Huth } 70*1e8a1faeSThomas Huth 71*1e8a1faeSThomas Huth static void check_capab_sdma(QSDHCI *s, bool supported) 72*1e8a1faeSThomas Huth { 73*1e8a1faeSThomas Huth uint64_t capab, capab_sdma; 74*1e8a1faeSThomas Huth 75*1e8a1faeSThomas Huth capab = s->readq(s, SDHC_CAPAB); 76*1e8a1faeSThomas Huth capab_sdma = FIELD_EX64(capab, SDHC_CAPAB, SDMA); 77*1e8a1faeSThomas Huth g_assert_cmpuint(capab_sdma, ==, supported); 78*1e8a1faeSThomas Huth } 79*1e8a1faeSThomas Huth 80*1e8a1faeSThomas Huth static void check_capab_v3(QSDHCI *s, uint8_t version) 81*1e8a1faeSThomas Huth { 82*1e8a1faeSThomas Huth uint64_t capab, capab_v3; 83*1e8a1faeSThomas Huth 84*1e8a1faeSThomas Huth if (version < 3) { 85*1e8a1faeSThomas Huth /* before v3 those fields are RESERVED */ 86*1e8a1faeSThomas Huth capab = s->readq(s, SDHC_CAPAB); 87*1e8a1faeSThomas Huth capab_v3 = FIELD_EX64(capab, SDHC_CAPAB, SDR); 88*1e8a1faeSThomas Huth g_assert_cmpuint(capab_v3, ==, 0); 89*1e8a1faeSThomas Huth capab_v3 = FIELD_EX64(capab, SDHC_CAPAB, DRIVER); 90*1e8a1faeSThomas Huth g_assert_cmpuint(capab_v3, ==, 0); 91*1e8a1faeSThomas Huth } 92*1e8a1faeSThomas Huth } 93*1e8a1faeSThomas Huth 94*1e8a1faeSThomas Huth static void test_registers(void *obj, void *data, QGuestAllocator *alloc) 95*1e8a1faeSThomas Huth { 96*1e8a1faeSThomas Huth QSDHCI *s = obj; 97*1e8a1faeSThomas Huth 98*1e8a1faeSThomas Huth check_specs_version(s, s->props.version); 99*1e8a1faeSThomas Huth check_capab_capareg(s, s->props.capab.reg); 100*1e8a1faeSThomas Huth check_capab_readonly(s); 101*1e8a1faeSThomas Huth check_capab_v3(s, s->props.version); 102*1e8a1faeSThomas Huth check_capab_sdma(s, s->props.capab.sdma); 103*1e8a1faeSThomas Huth check_capab_baseclock(s, s->props.baseclock); 104*1e8a1faeSThomas Huth } 105*1e8a1faeSThomas Huth 106*1e8a1faeSThomas Huth static void register_sdhci_test(void) 107*1e8a1faeSThomas Huth { 108*1e8a1faeSThomas Huth qos_add_test("registers", "sdhci", test_registers, NULL); 109*1e8a1faeSThomas Huth } 110*1e8a1faeSThomas Huth 111*1e8a1faeSThomas Huth libqos_init(register_sdhci_test); 112