diff options
Diffstat (limited to 'src/vendorcode')
| -rw-r--r-- | src/vendorcode/cavium/include/bdk/bdk-coreboot.h | 173 | ||||
| -rw-r--r-- | src/vendorcode/cavium/include/bdk/bdk-minimal.h | 14 |
2 files changed, 178 insertions, 9 deletions
diff --git a/src/vendorcode/cavium/include/bdk/bdk-coreboot.h b/src/vendorcode/cavium/include/bdk/bdk-coreboot.h new file mode 100644 index 0000000000..7b417b6c02 --- /dev/null +++ b/src/vendorcode/cavium/include/bdk/bdk-coreboot.h @@ -0,0 +1,173 @@ +/* + * This file is part of the coreboot project. + * Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights + * reserved. + * Copyright 2018-present Facebook, Inc. + * + * SPDX-License-Identifier: BSD-3-Clause + * + * access.h: Wrappers for memory access + */ + +#ifndef __BDK_BDK_COREBOOT_H +#define __BDK_BDK_COREBOOT_H + +#include <arch/io.h> +#include <delay.h> + +/** + * Convert a memory pointer (void*) into a hardware compatible + * memory address (uint64_t). Cavium hardware widgets don't + * understand logical addresses. + * + * @param ptr C style memory pointer + * @return Hardware physical address + */ +static inline uint64_t bdk_ptr_to_phys(void *ptr) +{ + /* PA = VA for coreboot's purposes */ + return (uint64_t)ptr; +} + +/** + * Convert a hardware physical address (uint64_t) into a + * memory pointer (void *). + * + * @param physical_address + * Hardware physical address to memory + * @return Pointer to memory + */ +static inline void *bdk_phys_to_ptr(uint64_t physical_address) +{ + /* PA = VA for coreboot's purposes */ + return (void *)physical_address; +} + +static inline void bdk_write64_int64(uint64_t address, int64_t value) +{ + dmb(); + *(volatile int64_t *)address = value; + dmb(); +} + +static inline void bdk_write64_uint64(uint64_t address, uint64_t value) +{ + write64(bdk_phys_to_ptr(address), value); +} + +static inline void bdk_write64_int32(uint64_t address, int32_t value) +{ + dmb(); + *(volatile int32_t *)address = value; + dmb(); +} + +static inline void bdk_write64_uint32(uint64_t address, uint32_t value) +{ + write32(bdk_phys_to_ptr(address), value); +} + +static inline void bdk_write64_int16(uint64_t address, int16_t value) +{ + dmb(); + *(volatile int16_t *)address = value; + dmb(); +} + +static inline void bdk_write64_uint16(uint64_t address, uint16_t value) +{ + write16(bdk_phys_to_ptr(address), value); +} + +static inline void bdk_write64_int8(uint64_t address, int8_t value) +{ + dmb(); + *(volatile int8_t *)address = value; + dmb(); +} + +static inline void bdk_write64_uint8(uint64_t address, uint8_t value) +{ + write8(bdk_phys_to_ptr(address), value); +} + +static inline int64_t bdk_read64_int64(uint64_t address) +{ + return *(volatile int64_t *)bdk_phys_to_ptr(address); +} + +static inline uint64_t bdk_read64_uint64(uint64_t address) +{ + return read64(bdk_phys_to_ptr(address)); +} + +static inline int32_t bdk_read64_int32(uint64_t address) +{ + return *(volatile int32_t *)bdk_phys_to_ptr(address); +} + +static inline uint32_t bdk_read64_uint32(uint64_t address) +{ + return read32(bdk_phys_to_ptr(address)); +} + +static inline int16_t bdk_read64_int16(uint64_t address) +{ + return *(volatile int16_t *)bdk_phys_to_ptr(address); +} + +static inline uint16_t bdk_read64_uint16(uint64_t address) +{ + return read16(bdk_phys_to_ptr(address)); +} + +static inline int8_t bdk_read64_int8(uint64_t address) +{ + return *(volatile int8_t *)bdk_phys_to_ptr(address); +} + +static inline uint8_t bdk_read64_uint8(uint64_t address) +{ + return read8(bdk_phys_to_ptr(address)); +} + +/** + * Returns the number of bits set in the provided value. + * Simple wrapper for POP instruction. + * + * @param val 32 bit value to count set bits in + * + * @return Number of bits set + */ +inline uint32_t bdk_pop(uint32_t v) +{ + /* Use parallel SWAR algorithm */ + v = v - ((v >> 1) & 0x55555555); + v = (v & 0x33333333) + ((v >> 2) & 0x33333333); + return (((v + (v >> 4)) & 0xF0F0F0F) * 0x1010101) >> 24; +} + +/** + * Returns the number of bits set in the provided value. + * Simple wrapper for DPOP instruction. + * + * @param val 64 bit value to count set bits in + * + * @return Number of bits set + */ +inline int bdk_dpop(uint64_t val) +{ + return bdk_pop(val & 0xffffffff) + bdk_pop(val >> 32); +} + +/** + * Wait for the specified number of micro seconds + * + * @param usec micro seconds to wait + */ +static inline void bdk_wait_usec(uint64_t usec) +{ + udelay((unsigned int)usec); +} + +#endif /* !__BDK_BDK_COREBOOT_H */ diff --git a/src/vendorcode/cavium/include/bdk/bdk-minimal.h b/src/vendorcode/cavium/include/bdk/bdk-minimal.h index 3ecf5a700a..e22e8a1524 100644 --- a/src/vendorcode/cavium/include/bdk/bdk-minimal.h +++ b/src/vendorcode/cavium/include/bdk/bdk-minimal.h @@ -10,13 +10,12 @@ * bdk-minimal.h: Subset of bdk.h used by coreboot */ -#ifndef __SOC_CAVIUM_COMMON_BDK_MINIMAL_H__ -#define __SOC_CAVIUM_COMMON_BDK_MINIMAL_H__ +#ifndef BDK_MINIMAL_H__ +#define BDK_MINIMAL_H__ #include <console/console.h> /* for printk */ #include <endian.h> #include <stddef.h> /* for NULL */ -#include <libbdk-hal/bdk-access.h> #define bdk_le16_to_cpu(x) le16_to_cpu(x) #define bdk_le32_to_cpu(x) le32_to_cpu(x) @@ -28,11 +27,6 @@ #define bdk_cpu_to_le32(x) cpu_to_le32(x) #define bdk_cpu_to_le64(x) cpu_to_le64(x) -#define __BYTE_ORDER __BYTE_ORDER__ -/* Watch out for __BIG_ENDIAN. coreboot usually checks if it's defined at all - * but the Cavium BDK checks its value. */ -#define __BIG_ENDIAN 4321 - #define printf(format, ...) printk(BIOS_DEBUG, format, ##__VA_ARGS__) #define puts(str) printk(BIOS_INFO, str) #define fflush(x) /* output gets flushed automatically */ @@ -42,8 +36,10 @@ #include <libbdk-arch/bdk-asm.h> #include <libbdk-arch/bdk-model.h> #include <libbdk-arch/bdk-numa.h> +#include <libbdk-hal/bdk-access.h> #include <libbdk-arch/bdk-require.h> + #include <libbdk-arch/bdk-csr.h> #include <libbdk-os/bdk-thread.h> @@ -57,4 +53,4 @@ static inline char *getenv(const char *name) { return NULL; } -#endif /* !__SOC_CAVIUM_COMMON_BDK_MINIMAL_H__ */ +#endif /* BDK_MINIMAL_H__ */ |