2018-02-08 17:47:50 +01:00
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/*
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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 "libqos/pci-pc.h"
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#include "hw/pci/pci.h"
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#define SDHC_CAPAB 0x40
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#define SDHC_HCVER 0xFE
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static const struct sdhci_t {
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const char *arch, *machine;
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struct {
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uintptr_t addr;
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uint8_t version;
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uint8_t baseclock;
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struct {
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bool sdma;
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uint64_t reg;
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} capab;
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} sdhci;
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struct {
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uint16_t vendor_id, device_id;
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} pci;
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} models[] = {
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/* PC via PCI */
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{ "x86_64", "pc",
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{-1, 2, 0, {1, 0x057834b4} },
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.pci = { PCI_VENDOR_ID_REDHAT, PCI_DEVICE_ID_REDHAT_SDHCI } },
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/* Exynos4210 */
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{ "arm", "smdkc210",
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{0x12510000, 2, 0, {1, 0x5e80080} } },
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};
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typedef struct QSDHCI {
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struct {
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QPCIBus *bus;
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QPCIDevice *dev;
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} pci;
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union {
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QPCIBar mem_bar;
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uint64_t addr;
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};
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} QSDHCI;
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static uint64_t sdhci_readq(QSDHCI *s, uint32_t reg)
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{
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uint64_t val;
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if (s->pci.dev) {
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val = qpci_io_readq(s->pci.dev, s->mem_bar, reg);
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} else {
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val = qtest_readq(global_qtest, s->addr + reg);
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}
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return val;
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}
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2018-02-08 17:47:51 +01:00
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static void sdhci_writeq(QSDHCI *s, uint32_t reg, uint64_t val)
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{
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if (s->pci.dev) {
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qpci_io_writeq(s->pci.dev, s->mem_bar, reg, val);
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} else {
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qtest_writeq(global_qtest, s->addr + reg, val);
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}
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}
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2018-02-08 17:47:50 +01:00
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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 = sdhci_readq(s, SDHC_CAPAB);
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g_assert_cmphex(capab, ==, expec_capab);
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}
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2018-02-08 17:47:51 +01:00
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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 = sdhci_readq(s, SDHC_CAPAB);
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g_assert_cmpuint(capab0, !=, vrand);
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sdhci_writeq(s, SDHC_CAPAB, vrand);
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capab1 = sdhci_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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2018-02-08 17:47:50 +01:00
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static QSDHCI *machine_start(const struct sdhci_t *test)
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{
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QSDHCI *s = g_new0(QSDHCI, 1);
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if (test->pci.vendor_id) {
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/* PCI */
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uint16_t vendor_id, device_id;
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uint64_t barsize;
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global_qtest = qtest_startf("-machine %s -device sdhci-pci",
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test->machine);
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s->pci.bus = qpci_init_pc(NULL);
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/* Find PCI device and verify it's the right one */
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s->pci.dev = qpci_device_find(s->pci.bus, QPCI_DEVFN(4, 0));
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g_assert_nonnull(s->pci.dev);
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vendor_id = qpci_config_readw(s->pci.dev, PCI_VENDOR_ID);
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device_id = qpci_config_readw(s->pci.dev, PCI_DEVICE_ID);
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g_assert(vendor_id == test->pci.vendor_id);
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g_assert(device_id == test->pci.device_id);
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s->mem_bar = qpci_iomap(s->pci.dev, 0, &barsize);
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qpci_device_enable(s->pci.dev);
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} else {
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/* SysBus */
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global_qtest = qtest_startf("-machine %s", test->machine);
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s->addr = test->sdhci.addr;
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}
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return s;
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}
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static void machine_stop(QSDHCI *s)
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{
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g_free(s->pci.dev);
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qtest_quit(global_qtest);
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}
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static void test_machine(const void *data)
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{
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const struct sdhci_t *test = data;
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QSDHCI *s;
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s = machine_start(test);
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check_capab_capareg(s, test->sdhci.capab.reg);
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2018-02-08 17:47:51 +01:00
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check_capab_readonly(s);
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2018-02-08 17:47:50 +01:00
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machine_stop(s);
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}
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int main(int argc, char *argv[])
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{
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const char *arch = qtest_get_arch();
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char *name;
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int i;
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g_test_init(&argc, &argv, NULL);
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for (i = 0; i < ARRAY_SIZE(models); i++) {
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if (strcmp(arch, models[i].arch)) {
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continue;
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}
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name = g_strdup_printf("sdhci/%s", models[i].machine);
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qtest_add_data_func(name, &models[i], test_machine);
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g_free(name);
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}
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return g_test_run();
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}
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