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