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112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
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* QTest testcase for SDHCI controllers
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*
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* Written by Philippe Mathieu-Daudé <f4bug@amsat.org>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "hw/registerfields.h"
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#include "libqtest.h"
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#include "qemu/module.h"
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#include "libqos/pci-pc.h"
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#include "hw/pci/pci.h"
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#include "libqos/qgraph.h"
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#include "libqos/sdhci.h"
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#define SDHC_CAPAB 0x40
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FIELD(SDHC_CAPAB, BASECLKFREQ, 8, 8); /* since v2 */
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FIELD(SDHC_CAPAB, SDMA, 22, 1);
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FIELD(SDHC_CAPAB, SDR, 32, 3); /* since v3 */
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FIELD(SDHC_CAPAB, DRIVER, 36, 3); /* since v3 */
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#define SDHC_HCVER 0xFE
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static void check_specs_version(QSDHCI *s, uint8_t version)
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{
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uint32_t v;
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v = s->readw(s, SDHC_HCVER);
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v &= 0xff;
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v += 1;
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g_assert_cmpuint(v, ==, version);
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}
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static void check_capab_capareg(QSDHCI *s, uint64_t expec_capab)
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{
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uint64_t capab;
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capab = s->readq(s, SDHC_CAPAB);
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g_assert_cmphex(capab, ==, expec_capab);
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}
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static void check_capab_readonly(QSDHCI *s)
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{
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const uint64_t vrand = 0x123456789abcdef;
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uint64_t capab0, capab1;
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capab0 = s->readq(s, SDHC_CAPAB);
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g_assert_cmpuint(capab0, !=, vrand);
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s->writeq(s, SDHC_CAPAB, vrand);
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capab1 = s->readq(s, SDHC_CAPAB);
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g_assert_cmpuint(capab1, !=, vrand);
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g_assert_cmpuint(capab1, ==, capab0);
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}
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static void check_capab_baseclock(QSDHCI *s, uint8_t expec_freq)
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{
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uint64_t capab, capab_freq;
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if (!expec_freq) {
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return;
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}
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capab = s->readq(s, SDHC_CAPAB);
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capab_freq = FIELD_EX64(capab, SDHC_CAPAB, BASECLKFREQ);
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g_assert_cmpuint(capab_freq, ==, expec_freq);
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}
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static void check_capab_sdma(QSDHCI *s, bool supported)
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{
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uint64_t capab, capab_sdma;
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capab = s->readq(s, SDHC_CAPAB);
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capab_sdma = FIELD_EX64(capab, SDHC_CAPAB, SDMA);
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g_assert_cmpuint(capab_sdma, ==, supported);
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}
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static void check_capab_v3(QSDHCI *s, uint8_t version)
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{
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uint64_t capab, capab_v3;
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if (version < 3) {
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/* before v3 those fields are RESERVED */
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capab = s->readq(s, SDHC_CAPAB);
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capab_v3 = FIELD_EX64(capab, SDHC_CAPAB, SDR);
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g_assert_cmpuint(capab_v3, ==, 0);
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capab_v3 = FIELD_EX64(capab, SDHC_CAPAB, DRIVER);
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g_assert_cmpuint(capab_v3, ==, 0);
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}
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}
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static void test_registers(void *obj, void *data, QGuestAllocator *alloc)
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{
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QSDHCI *s = obj;
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check_specs_version(s, s->props.version);
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check_capab_capareg(s, s->props.capab.reg);
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check_capab_readonly(s);
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check_capab_v3(s, s->props.version);
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check_capab_sdma(s, s->props.capab.sdma);
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check_capab_baseclock(s, s->props.baseclock);
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}
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static void register_sdhci_test(void)
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{
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qos_add_test("registers", "sdhci", test_registers, NULL);
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}
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libqos_init(register_sdhci_test);
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