diff options
Diffstat (limited to 'tests/qtest')
| -rw-r--r-- | tests/qtest/meson.build | 1 | ||||
| -rw-r--r-- | tests/qtest/pca9552-test.c | 6 | ||||
| -rw-r--r-- | tests/qtest/pnv-host-i2c-test.c | 491 | ||||
| -rw-r--r-- | tests/qtest/pnv-xscom-test.c | 61 | ||||
| -rw-r--r-- | tests/qtest/pnv-xscom.h | 80 |
5 files changed, 576 insertions, 63 deletions
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 430d49b409..6ea77893f5 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -167,6 +167,7 @@ qtests_ppc64 = \ qtests_ppc + \ (config_all_devices.has_key('CONFIG_PSERIES') ? ['device-plug-test'] : []) + \ (config_all_devices.has_key('CONFIG_POWERNV') ? ['pnv-xscom-test'] : []) + \ + (config_all_devices.has_key('CONFIG_POWERNV') ? ['pnv-host-i2c-test'] : []) + \ (config_all_devices.has_key('CONFIG_PSERIES') ? ['rtas-test'] : []) + \ (slirp.found() ? ['pxe-test'] : []) + \ (config_all_devices.has_key('CONFIG_USB_UHCI') ? ['usb-hcd-uhci-test'] : []) + \ diff --git a/tests/qtest/pca9552-test.c b/tests/qtest/pca9552-test.c index d80ed93cd3..ccca2b3d91 100644 --- a/tests/qtest/pca9552-test.c +++ b/tests/qtest/pca9552-test.c @@ -60,7 +60,7 @@ static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc) g_assert_cmphex(value, ==, 0x55); value = i2c_get8(i2cdev, PCA9552_INPUT0); - g_assert_cmphex(value, ==, 0x0); + g_assert_cmphex(value, ==, 0xFF); pca9552_init(i2cdev); @@ -68,13 +68,13 @@ static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc) g_assert_cmphex(value, ==, 0x54); value = i2c_get8(i2cdev, PCA9552_INPUT0); - g_assert_cmphex(value, ==, 0x01); + g_assert_cmphex(value, ==, 0xFE); value = i2c_get8(i2cdev, PCA9552_LS3); g_assert_cmphex(value, ==, 0x54); value = i2c_get8(i2cdev, PCA9552_INPUT1); - g_assert_cmphex(value, ==, 0x10); + g_assert_cmphex(value, ==, 0xEF); } static void pca9552_register_nodes(void) diff --git a/tests/qtest/pnv-host-i2c-test.c b/tests/qtest/pnv-host-i2c-test.c new file mode 100644 index 0000000000..c635177252 --- /dev/null +++ b/tests/qtest/pnv-host-i2c-test.c @@ -0,0 +1,491 @@ +/* + * QTest testcase for PowerNV 10 Host I2C Communications + * + * Copyright (c) 2023, 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" +#include "hw/misc/pca9554_regs.h" +#include "hw/misc/pca9552_regs.h" +#include "pnv-xscom.h" + +#define PPC_BIT(bit) (0x8000000000000000ULL >> (bit)) +#define PPC_BIT32(bit) (0x80000000 >> (bit)) +#define PPC_BIT8(bit) (0x80 >> (bit)) +#define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs)) +#define PPC_BITMASK32(bs, be) ((PPC_BIT32(bs) - PPC_BIT32(be)) | \ + PPC_BIT32(bs)) + +#define MASK_TO_LSH(m) (__builtin_ffsll(m) - 1) +#define GETFIELD(m, v) (((v) & (m)) >> MASK_TO_LSH(m)) +#define SETFIELD(m, v, val) \ + (((v) & ~(m)) | ((((typeof(v))(val)) << MASK_TO_LSH(m)) & (m))) + +#define PNV10_XSCOM_I2CM_BASE 0xa0000 +#define PNV10_XSCOM_I2CM_SIZE 0x1000 + +#include "hw/i2c/pnv_i2c_regs.h" + +typedef struct { + QTestState *qts; + const PnvChip *chip; + int engine; +} PnvI2cCtlr; + +typedef struct { + PnvI2cCtlr *ctlr; + int port; + uint8_t addr; +} PnvI2cDev; + + +static uint64_t pnv_i2c_xscom_addr(PnvI2cCtlr *ctlr, uint32_t reg) +{ + return pnv_xscom_addr(ctlr->chip, PNV10_XSCOM_I2CM_BASE + + (PNV10_XSCOM_I2CM_SIZE * ctlr->engine) + reg); +} + +static uint64_t pnv_i2c_xscom_read(PnvI2cCtlr *ctlr, uint32_t reg) +{ + return qtest_readq(ctlr->qts, pnv_i2c_xscom_addr(ctlr, reg)); +} + +static void pnv_i2c_xscom_write(PnvI2cCtlr *ctlr, uint32_t reg, uint64_t val) +{ + qtest_writeq(ctlr->qts, pnv_i2c_xscom_addr(ctlr, reg), val); +} + +/* Write len bytes from buf to i2c device with given addr and port */ +static void pnv_i2c_send(PnvI2cDev *dev, const uint8_t *buf, uint16_t len) +{ + int byte_num; + uint64_t reg64; + + /* select requested port */ + reg64 = SETFIELD(I2C_MODE_BIT_RATE_DIV, 0ull, 0x2be); + reg64 = SETFIELD(I2C_MODE_PORT_NUM, reg64, dev->port); + pnv_i2c_xscom_write(dev->ctlr, I2C_MODE_REG, reg64); + + /* check status for cmd complete and bus idle */ + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_EXTD_STAT_REG); + g_assert_cmphex(reg64 & I2C_EXTD_STAT_I2C_BUSY, ==, 0); + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_STAT_REG); + g_assert_cmphex(reg64 & (I2C_STAT_ANY_ERR | I2C_STAT_CMD_COMP), ==, + I2C_STAT_CMD_COMP); + + /* Send start, with stop, with address and len bytes of data */ + reg64 = I2C_CMD_WITH_START | I2C_CMD_WITH_ADDR | I2C_CMD_WITH_STOP; + reg64 = SETFIELD(I2C_CMD_DEV_ADDR, reg64, dev->addr); + reg64 = SETFIELD(I2C_CMD_LEN_BYTES, reg64, len); + pnv_i2c_xscom_write(dev->ctlr, I2C_CMD_REG, reg64); + + /* check status for errors */ + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_STAT_REG); + g_assert_cmphex(reg64 & I2C_STAT_ANY_ERR, ==, 0); + + /* write data bytes to fifo register */ + for (byte_num = 0; byte_num < len; byte_num++) { + reg64 = SETFIELD(I2C_FIFO, 0ull, buf[byte_num]); + pnv_i2c_xscom_write(dev->ctlr, I2C_FIFO_REG, reg64); + } + + /* check status for cmd complete and bus idle */ + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_EXTD_STAT_REG); + g_assert_cmphex(reg64 & I2C_EXTD_STAT_I2C_BUSY, ==, 0); + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_STAT_REG); + g_assert_cmphex(reg64 & (I2C_STAT_ANY_ERR | I2C_STAT_CMD_COMP), ==, + I2C_STAT_CMD_COMP); +} + +/* Recieve len bytes into buf from i2c device with given addr and port */ +static void pnv_i2c_recv(PnvI2cDev *dev, uint8_t *buf, uint16_t len) +{ + int byte_num; + uint64_t reg64; + + /* select requested port */ + reg64 = SETFIELD(I2C_MODE_BIT_RATE_DIV, 0ull, 0x2be); + reg64 = SETFIELD(I2C_MODE_PORT_NUM, reg64, dev->port); + pnv_i2c_xscom_write(dev->ctlr, I2C_MODE_REG, reg64); + + /* check status for cmd complete and bus idle */ + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_EXTD_STAT_REG); + g_assert_cmphex(reg64 & I2C_EXTD_STAT_I2C_BUSY, ==, 0); + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_STAT_REG); + g_assert_cmphex(reg64 & (I2C_STAT_ANY_ERR | I2C_STAT_CMD_COMP), ==, + I2C_STAT_CMD_COMP); + + /* Send start, with stop, with address and len bytes of data */ + reg64 = I2C_CMD_WITH_START | I2C_CMD_WITH_ADDR | + I2C_CMD_WITH_STOP | I2C_CMD_READ_NOT_WRITE; + reg64 = SETFIELD(I2C_CMD_DEV_ADDR, reg64, dev->addr); + reg64 = SETFIELD(I2C_CMD_LEN_BYTES, reg64, len); + pnv_i2c_xscom_write(dev->ctlr, I2C_CMD_REG, reg64); + + /* check status for errors */ + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_STAT_REG); + g_assert_cmphex(reg64 & I2C_STAT_ANY_ERR, ==, 0); + + /* Read data bytes from fifo register */ + for (byte_num = 0; byte_num < len; byte_num++) { + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_FIFO_REG); + buf[byte_num] = GETFIELD(I2C_FIFO, reg64); + } + + /* check status for cmd complete and bus idle */ + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_EXTD_STAT_REG); + g_assert_cmphex(reg64 & I2C_EXTD_STAT_I2C_BUSY, ==, 0); + reg64 = pnv_i2c_xscom_read(dev->ctlr, I2C_STAT_REG); + g_assert_cmphex(reg64 & (I2C_STAT_ANY_ERR | I2C_STAT_CMD_COMP), ==, + I2C_STAT_CMD_COMP); +} + +static void pnv_i2c_pca9554_default_cfg(PnvI2cDev *dev) +{ + uint8_t buf[2]; + + /* input register bits are not inverted */ + buf[0] = PCA9554_POLARITY; + buf[1] = 0; + pnv_i2c_send(dev, buf, 2); + + /* All pins are inputs */ + buf[0] = PCA9554_CONFIG; + buf[1] = 0xff; + pnv_i2c_send(dev, buf, 2); + + /* Output value for when pins are outputs */ + buf[0] = PCA9554_OUTPUT; + buf[1] = 0xff; + pnv_i2c_send(dev, buf, 2); +} + +static void pnv_i2c_pca9554_set_pin(PnvI2cDev *dev, int pin, bool high) +{ + uint8_t send_buf[2]; + uint8_t recv_buf[2]; + uint8_t mask = 0x1 << pin; + uint8_t new_value = ((high) ? 1 : 0) << pin; + + /* read current OUTPUT value */ + send_buf[0] = PCA9554_OUTPUT; + pnv_i2c_send(dev, send_buf, 1); + pnv_i2c_recv(dev, recv_buf, 1); + + /* write new OUTPUT value */ + send_buf[1] = (recv_buf[0] & ~mask) | new_value; + pnv_i2c_send(dev, send_buf, 2); + + /* Update config bit for output */ + send_buf[0] = PCA9554_CONFIG; + pnv_i2c_send(dev, send_buf, 1); + pnv_i2c_recv(dev, recv_buf, 1); + send_buf[1] = recv_buf[0] & ~mask; + pnv_i2c_send(dev, send_buf, 2); +} + +static uint8_t pnv_i2c_pca9554_read_pins(PnvI2cDev *dev) +{ + uint8_t send_buf[1]; + uint8_t recv_buf[1]; + uint8_t inputs; + send_buf[0] = PCA9554_INPUT; + pnv_i2c_send(dev, send_buf, 1); + pnv_i2c_recv(dev, recv_buf, 1); + inputs = recv_buf[0]; + return inputs; +} + +static void pnv_i2c_pca9554_flip_polarity(PnvI2cDev *dev) +{ + uint8_t recv_buf[1]; + uint8_t send_buf[2]; + + send_buf[0] = PCA9554_POLARITY; + pnv_i2c_send(dev, send_buf, 1); + pnv_i2c_recv(dev, recv_buf, 1); + send_buf[1] = recv_buf[0] ^ 0xff; + pnv_i2c_send(dev, send_buf, 2); +} + +static void pnv_i2c_pca9554_default_inputs(PnvI2cDev *dev) +{ + uint8_t pin_values = pnv_i2c_pca9554_read_pins(dev); + g_assert_cmphex(pin_values, ==, 0xff); +} + +/* Check that setting pin values and polarity changes inputs as expected */ +static void pnv_i2c_pca554_set_pins(PnvI2cDev *dev) +{ + uint8_t pin_values; + pnv_i2c_pca9554_set_pin(dev, 0, 0); + pin_values = pnv_i2c_pca9554_read_pins(dev); + g_assert_cmphex(pin_values, ==, 0xfe); + pnv_i2c_pca9554_flip_polarity(dev); + pin_values = pnv_i2c_pca9554_read_pins(dev); + g_assert_cmphex(pin_values, ==, 0x01); + pnv_i2c_pca9554_set_pin(dev, 2, 0); + pin_values = pnv_i2c_pca9554_read_pins(dev); + g_assert_cmphex(pin_values, ==, 0x05); + pnv_i2c_pca9554_flip_polarity(dev); + pin_values = pnv_i2c_pca9554_read_pins(dev); + g_assert_cmphex(pin_values, ==, 0xfa); + pnv_i2c_pca9554_default_cfg(dev); + pin_values = pnv_i2c_pca9554_read_pins(dev); + g_assert_cmphex(pin_values, ==, 0xff); +} + +static void pnv_i2c_pca9552_default_cfg(PnvI2cDev *dev) +{ + uint8_t buf[2]; + /* configure pwm/psc regs */ + buf[0] = PCA9552_PSC0; + buf[1] = 0xff; + pnv_i2c_send(dev, buf, 2); + buf[0] = PCA9552_PWM0; + buf[1] = 0x80; + pnv_i2c_send(dev, buf, 2); + buf[0] = PCA9552_PSC1; + buf[1] = 0xff; + pnv_i2c_send(dev, buf, 2); + buf[0] = PCA9552_PWM1; + buf[1] = 0x80; + pnv_i2c_send(dev, buf, 2); + + /* configure all pins as inputs */ + buf[0] = PCA9552_LS0; + buf[1] = 0x55; + pnv_i2c_send(dev, buf, 2); + buf[0] = PCA9552_LS1; + buf[1] = 0x55; + pnv_i2c_send(dev, buf, 2); + buf[0] = PCA9552_LS2; + buf[1] = 0x55; + pnv_i2c_send(dev, buf, 2); + buf[0] = PCA9552_LS3; + buf[1] = 0x55; + pnv_i2c_send(dev, buf, 2); +} + +static void pnv_i2c_pca9552_set_pin(PnvI2cDev *dev, int pin, bool high) +{ + uint8_t send_buf[2]; + uint8_t recv_buf[2]; + uint8_t reg = PCA9552_LS0 + (pin / 4); + uint8_t shift = (pin % 4) * 2; + uint8_t mask = ~(0x3 << shift); + uint8_t new_value = ((high) ? 1 : 0) << shift; + + /* read current LSx value */ + send_buf[0] = reg; + pnv_i2c_send(dev, send_buf, 1); + pnv_i2c_recv(dev, recv_buf, 1); + + /* write new value to LSx */ + send_buf[1] = (recv_buf[0] & mask) | new_value; + pnv_i2c_send(dev, send_buf, 2); +} + +static uint16_t pnv_i2c_pca9552_read_pins(PnvI2cDev *dev) +{ + uint8_t send_buf[2]; + uint8_t recv_buf[2]; + uint16_t inputs; + send_buf[0] = PCA9552_INPUT0; + pnv_i2c_send(dev, send_buf, 1); + pnv_i2c_recv(dev, recv_buf, 1); + inputs = recv_buf[0]; + send_buf[0] = PCA9552_INPUT1; + pnv_i2c_send(dev, send_buf, 1); + pnv_i2c_recv(dev, recv_buf, 1); + inputs |= recv_buf[0] << 8; + return inputs; +} + +static void pnv_i2c_pca9552_default_inputs(PnvI2cDev *dev) +{ + uint16_t pin_values = pnv_i2c_pca9552_read_pins(dev); + g_assert_cmphex(pin_values, ==, 0xffff); +} + +/* + * Set pins 0-4 one at a time and verify that pins 5-9 are + * set to the same value + */ +static void pnv_i2c_pca552_set_pins(PnvI2cDev *dev) +{ + uint16_t pin_values; + + /* set pin 0 low */ + pnv_i2c_pca9552_set_pin(dev, 0, 0); + pin_values = pnv_i2c_pca9552_read_pins(dev); + + /* pins 0 and 5 should be low */ + g_assert_cmphex(pin_values, ==, 0xffde); + + /* set pin 1 low */ + pnv_i2c_pca9552_set_pin(dev, 1, 0); + pin_values = pnv_i2c_pca9552_read_pins(dev); + + /* pins 0, 1, 5 and 6 should be low */ + g_assert_cmphex(pin_values, ==, 0xff9c); + + /* set pin 2 low */ + pnv_i2c_pca9552_set_pin(dev, 2, 0); + pin_values = pnv_i2c_pca9552_read_pins(dev); + + /* pins 0, 1, 2, 5, 6 and 7 should be low */ + g_assert_cmphex(pin_values, ==, 0xff18); + + /* set pin 3 low */ + pnv_i2c_pca9552_set_pin(dev, 3, 0); + pin_values = pnv_i2c_pca9552_read_pins(dev); + + /* pins 0, 1, 2, 3, 5, 6, 7 and 8 should be low */ + g_assert_cmphex(pin_values, ==, 0xfe10); + + /* set pin 4 low */ + pnv_i2c_pca9552_set_pin(dev, 4, 0); + pin_values = pnv_i2c_pca9552_read_pins(dev); + + /* pins 0, 1, 2, 3, 5, 6, 7, 8 and 9 should be low */ + g_assert_cmphex(pin_values, ==, 0xfc00); + + /* reset all pins to the high state */ + pnv_i2c_pca9552_default_cfg(dev); + pin_values = pnv_i2c_pca9552_read_pins(dev); + + /* verify all pins went back to the high state */ + g_assert_cmphex(pin_values, ==, 0xffff); +} + +static void reset_engine(PnvI2cCtlr *ctlr) +{ + pnv_i2c_xscom_write(ctlr, I2C_RESET_I2C_REG, 0); +} + +static void check_i2cm_por_regs(QTestState *qts, const PnvChip *chip) +{ + int engine; + for (engine = 0; engine < chip->num_i2c; engine++) { + PnvI2cCtlr ctlr; + ctlr.qts = qts; + ctlr.chip = chip; + ctlr.engine = engine; + + /* Check version in Extended Status Register */ + uint64_t value = pnv_i2c_xscom_read(&ctlr, I2C_EXTD_STAT_REG); + g_assert_cmphex(value & I2C_EXTD_STAT_I2C_VERSION, ==, 0x1700000000); + + /* Check for command complete and bus idle in Status Register */ + value = pnv_i2c_xscom_read(&ctlr, I2C_STAT_REG); + g_assert_cmphex(value & (I2C_STAT_ANY_ERR | I2C_STAT_CMD_COMP), + ==, + I2C_STAT_CMD_COMP); + } +} + +static void reset_all(QTestState *qts, const PnvChip *chip) +{ + int engine; + for (engine = 0; engine < chip->num_i2c; engine++) { + PnvI2cCtlr ctlr; + ctlr.qts = qts; + ctlr.chip = chip; + ctlr.engine = engine; + reset_engine(&ctlr); + pnv_i2c_xscom_write(&ctlr, I2C_MODE_REG, 0x02be040000000000); + } +} + +static void test_host_i2c(const void *data) +{ + const PnvChip *chip = data; + QTestState *qts; + const char *machine = "powernv8"; + PnvI2cCtlr ctlr; + PnvI2cDev pca9552; + PnvI2cDev pca9554; + + if (chip->chip_type == PNV_CHIP_POWER9) { + machine = "powernv9"; + } else if (chip->chip_type == PNV_CHIP_POWER10) { + machine = "powernv10-rainier"; + } + + qts = qtest_initf("-M %s -smp %d,cores=1,threads=%d -nographic " + "-nodefaults -serial mon:stdio -S " + "-d guest_errors", + machine, SMT, SMT); + + /* Check the I2C master status registers after POR */ + check_i2cm_por_regs(qts, chip); + + /* Now do a forced "immediate" reset on all engines */ + reset_all(qts, chip); + + /* Check that the status values are still good */ + check_i2cm_por_regs(qts, chip); + + /* P9 doesn't have any i2c devices attached at this time */ + if (chip->chip_type != PNV_CHIP_POWER10) { + qtest_quit(qts); + return; + } + + /* Initialize for a P10 pca9552 hotplug device */ + ctlr.qts = qts; + ctlr.chip = chip; + ctlr.engine = 2; + pca9552.ctlr = &ctlr; + pca9552.port = 1; + pca9552.addr = 0x63; + + /* Set all pca9552 pins as inputs */ + pnv_i2c_pca9552_default_cfg(&pca9552); + + /* Check that all pins of the pca9552 are high */ + pnv_i2c_pca9552_default_inputs(&pca9552); + + /* perform individual pin tests */ + pnv_i2c_pca552_set_pins(&pca9552); + + /* Initialize for a P10 pca9554 CableCard Presence detection device */ + pca9554.ctlr = &ctlr; + pca9554.port = 1; + pca9554.addr = 0x25; + + /* Set all pca9554 pins as inputs */ + pnv_i2c_pca9554_default_cfg(&pca9554); + + /* Check that all pins of the pca9554 are high */ + pnv_i2c_pca9554_default_inputs(&pca9554); + + /* perform individual pin tests */ + pnv_i2c_pca554_set_pins(&pca9554); + + qtest_quit(qts); +} + +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("host-i2c", test_host_i2c); + return g_test_run(); +} diff --git a/tests/qtest/pnv-xscom-test.c b/tests/qtest/pnv-xscom-test.c index 8a5ac11037..c814c0f4f5 100644 --- a/tests/qtest/pnv-xscom-test.c +++ b/tests/qtest/pnv-xscom-test.c @@ -10,66 +10,7 @@ #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 */ - PNV_CHIP_POWER10, -} 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, - }, - { - .chip_type = PNV_CHIP_POWER9, - .cpu_model = "POWER9", - .xscom_base = 0x000603fc00000000ull, - .cfam_id = 0x220d104900008000ull, - .first_core = 0x0, - }, - { - .chip_type = PNV_CHIP_POWER10, - .cpu_model = "POWER10", - .xscom_base = 0x000603fc00000000ull, - .cfam_id = 0x120da04900008000ull, - .first_core = 0x0, - }, -}; - -static uint64_t pnv_xscom_addr(const PnvChip *chip, uint32_t pcba) -{ - uint64_t addr = chip->xscom_base; - - if (chip->chip_type == PNV_CHIP_POWER10) { - addr |= ((uint64_t) pcba << 3); - } else 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; -} +#include "pnv-xscom.h" static uint64_t pnv_xscom_read(QTestState *qts, const PnvChip *chip, uint32_t pcba) diff --git a/tests/qtest/pnv-xscom.h b/tests/qtest/pnv-xscom.h new file mode 100644 index 0000000000..6f62941744 --- /dev/null +++ b/tests/qtest/pnv-xscom.h @@ -0,0 +1,80 @@ +/* + * PowerNV XSCOM Bus + * + * Copyright (c) 2024, IBM Corporation. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef PNV_XSCOM_H +#define PNV_XSCOM_H + +#define SMT 4 /* some tests will break if less than 4 */ + +typedef enum PnvChipType { + PNV_CHIP_POWER8E, /* AKA Murano (default) */ + PNV_CHIP_POWER8, /* AKA Venice */ + PNV_CHIP_POWER8NVL, /* AKA Naples */ + PNV_CHIP_POWER9, /* AKA Nimbus */ + PNV_CHIP_POWER10, +} PnvChipType; + +typedef struct PnvChip { + PnvChipType chip_type; + const char *cpu_model; + uint64_t xscom_base; + uint64_t cfam_id; + uint32_t first_core; + uint32_t num_i2c; +} PnvChip; + +static const PnvChip pnv_chips[] = { + { + .chip_type = PNV_CHIP_POWER8, + .cpu_model = "POWER8", + .xscom_base = 0x0003fc0000000000ull, + .cfam_id = 0x220ea04980000000ull, + .first_core = 0x1, + .num_i2c = 0, + }, { + .chip_type = PNV_CHIP_POWER8NVL, + .cpu_model = "POWER8NVL", + .xscom_base = 0x0003fc0000000000ull, + .cfam_id = 0x120d304980000000ull, + .first_core = 0x1, + .num_i2c = 0, + }, + { + .chip_type = PNV_CHIP_POWER9, + .cpu_model = "POWER9", + .xscom_base = 0x000603fc00000000ull, + .cfam_id = 0x220d104900008000ull, + .first_core = 0x0, + .num_i2c = 4, + }, + { + .chip_type = PNV_CHIP_POWER10, + .cpu_model = "POWER10", + .xscom_base = 0x000603fc00000000ull, + .cfam_id = 0x120da04900008000ull, + .first_core = 0x0, + .num_i2c = 4, + }, +}; + +static inline uint64_t pnv_xscom_addr(const PnvChip *chip, uint32_t pcba) +{ + uint64_t addr = chip->xscom_base; + + if (chip->chip_type == PNV_CHIP_POWER10) { + addr |= ((uint64_t) pcba << 3); + } else 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; +} + +#endif /* PNV_XSCOM_H */ |