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Diffstat (limited to 'tests/qtest/qtest_aspeed.h')
| -rw-r--r-- | tests/qtest/qtest_aspeed.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tests/qtest/qtest_aspeed.h b/tests/qtest/qtest_aspeed.h new file mode 100644 index 0000000000..235dfaa186 --- /dev/null +++ b/tests/qtest/qtest_aspeed.h @@ -0,0 +1,41 @@ +/* + * Aspeed i2c bus interface to reading and writing to i2c device registers + * + * Copyright (c) 2023 IBM Corporation + * + * Authors: + * Stefan Berger <stefanb@linux.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#ifndef QTEST_ASPEED_H +#define QTEST_ASPEED_H + +#include <stdint.h> + +#include "libqtest.h" + +#define AST2600_ASPEED_I2C_BASE_ADDR 0x1e78a000 + +/* Implements only AST2600 I2C controller */ + +static inline uint32_t ast2600_i2c_calc_bus_addr(uint8_t bus_num) +{ + return AST2600_ASPEED_I2C_BASE_ADDR + 0x80 + bus_num * 0x80; +} + +uint8_t aspeed_i2c_readb(QTestState *s, + uint32_t baseaddr, uint8_t slave_addr, uint8_t reg); +uint16_t aspeed_i2c_readw(QTestState *s, + uint32_t baseaddr, uint8_t slave_addr, uint8_t reg); +uint32_t aspeed_i2c_readl(QTestState *s, + uint32_t baseaddr, uint8_t slave_addr, uint8_t reg); +void aspeed_i2c_writeb(QTestState *s, uint32_t baseaddr, uint8_t slave_addr, + uint8_t reg, uint8_t v); +void aspeed_i2c_writew(QTestState *s, uint32_t baseaddr, uint8_t slave_addr, + uint8_t reg, uint16_t v); +void aspeed_i2c_writel(QTestState *s, uint32_t baseaddr, uint8_t slave_addr, + uint8_t reg, uint32_t v); + +#endif |