This commit adds functions issuing calls to the product-specific ATF services
Signed-off-by: Sergey Temerkhanov s.temerkhanov@gmail.com Signed-off-by: Radha Mohan Chintakuntla rchintakuntla@cavium.com ---
Changes in v4: None Changes in v3: None Changes in v2: None
board/cavium/thunderx/Makefile | 2 +- board/cavium/thunderx/atf.c | 312 ++++++++++++++++++++++++++++++++++++++++ include/cavium/atf.h | 22 +++ include/cavium/atf_part.h | 26 ++++ include/cavium/thunderx_svc.h | 67 +++++++++ include/configs/thunderx_88xx.h | 2 + 6 files changed, 430 insertions(+), 1 deletion(-) create mode 100644 board/cavium/thunderx/atf.c create mode 100644 include/cavium/atf.h create mode 100644 include/cavium/atf_part.h create mode 100644 include/cavium/thunderx_svc.h
diff --git a/board/cavium/thunderx/Makefile b/board/cavium/thunderx/Makefile index 306044a..c78c414 100644 --- a/board/cavium/thunderx/Makefile +++ b/board/cavium/thunderx/Makefile @@ -5,4 +5,4 @@ # SPDX-License-Identifier: GPL-2.0+ #
-obj-y := thunderx.o +obj-y := thunderx.o atf.o diff --git a/board/cavium/thunderx/atf.c b/board/cavium/thunderx/atf.c new file mode 100644 index 0000000..6ab9de9 --- /dev/null +++ b/board/cavium/thunderx/atf.c @@ -0,0 +1,312 @@ +/** + * (C) Copyright 2014, Cavium Inc. + * + * SPDX-License-Identifier: GPL-2.0+ +**/ + +#include <common.h> +#include <asm/io.h> + +#include <asm/system.h> +#include <cavium/thunderx_svc.h> +#include <cavium/atf.h> +#include <cavium/atf_part.h> + +#include <asm/psci.h> + +#include <malloc.h> + +DECLARE_GLOBAL_DATA_PTR; + +ssize_t atf_read_mmc(uintptr_t offset, void *buffer, size_t size) +{ + struct pt_regs regs; + regs.regs[0] = THUNDERX_MMC_READ; + regs.regs[1] = offset; + regs.regs[2] = size; + regs.regs[3] = (uintptr_t)buffer; + + smc_call(®s); + + return regs.regs[0]; +} + +ssize_t atf_read_nor(uintptr_t offset, void *buffer, size_t size) +{ + struct pt_regs regs; + regs.regs[0] = THUNDERX_NOR_READ; + regs.regs[1] = offset; + regs.regs[2] = size; + regs.regs[3] = (uintptr_t)buffer; + + smc_call(®s); + + return regs.regs[0]; +} + +ssize_t atf_get_pcount(void) +{ + struct pt_regs regs; + regs.regs[0] = THUNDERX_PART_COUNT; + + smc_call(®s); + + return regs.regs[0]; +} + +ssize_t atf_get_part(struct storage_partition *part, unsigned int index) +{ + struct pt_regs regs; + regs.regs[0] = THUNDERX_GET_PART; + regs.regs[1] = (uintptr_t)part; + regs.regs[2] = index; + + smc_call(®s); + + return regs.regs[0]; +} + +ssize_t atf_erase_nor(uintptr_t offset, size_t size) +{ + struct pt_regs regs; + + regs.regs[0] = THUNDERX_NOR_ERASE; + regs.regs[1] = offset; + + smc_call(®s); + + return regs.regs[0]; +} + +ssize_t atf_write_nor(uintptr_t offset, const void *buffer, size_t size) +{ + struct pt_regs regs; + + regs.regs[0] = THUNDERX_NOR_WRITE; + regs.regs[1] = offset; + regs.regs[2] = size; + regs.regs[3] = (uintptr_t)buffer; + + smc_call(®s); + + return regs.regs[0]; +} + +ssize_t atf_write_mmc(uintptr_t offset, const void *buffer, size_t size) +{ + struct pt_regs regs; + + regs.regs[0] = THUNDERX_MMC_WRITE; + regs.regs[1] = offset; + regs.regs[2] = size; + regs.regs[3] = (uintptr_t)buffer; + + smc_call(®s); + + return regs.regs[0]; +} + +ssize_t atf_dram_size(unsigned int node) +{ + struct pt_regs regs; + regs.regs[0] = THUNDERX_DRAM_SIZE; + regs.regs[1] = node; + + smc_call(®s); + + return regs.regs[0]; +} + +ssize_t atf_node_count(void) +{ + struct pt_regs regs; + regs.regs[0] = THUNDERX_NODE_COUNT; + + smc_call(®s); + + return regs.regs[0]; +} + +ssize_t atf_env_count(void) +{ + struct pt_regs regs; + regs.regs[0] = THUNDERX_ENV_COUNT; + + smc_call(®s); + + return regs.regs[0]; +} + +ssize_t atf_env_string(size_t index, char *str) +{ + uint64_t *buf = (void *)str; + struct pt_regs regs; + regs.regs[0] = THUNDERX_ENV_STRING; + regs.regs[1] = index; + + smc_call(®s); + + if (regs.regs > 0) { + buf[0] = regs.regs[0]; + buf[1] = regs.regs[1]; + buf[2] = regs.regs[2]; + buf[3] = regs.regs[3]; + + return 1; + } else { + return regs.regs[0]; + } +} + +#ifdef CONFIG_CMD_ATF + +static void atf_print_ver(void) +{ + struct pt_regs regs; + regs.regs[0] = ARM_STD_SVC_VERSION; + + smc_call(®s); + + printf("ARM Std FW version: %ld.%ld\n", regs.regs[0], regs.regs[1]); + + regs.regs[0] = THUNDERX_SVC_VERSION; + + smc_call(®s); + + printf("ThunderX OEM ver: %ld.%ld\n", regs.regs[0], regs.regs[1]); +} + +static void atf_print_uid(void) +{ +} + +static void atf_print_part_table(void) +{ + size_t pcount; + unsigned long i; + int ret; + char *ptype; + + struct storage_partition *part = (void *)CONFIG_SYS_LOWMEM_BASE; + + pcount = atf_get_pcount(); + + printf("Partition count: %lu\n\n", pcount); + printf("%10s %10s %10s\n", "Type", "Size", "Offset"); + + for (i = 0; i < pcount; i++) { + ret = atf_get_part(part, i); + + if (ret < 0) { + printf("Uknown error while reading partition: %d\n", + ret); + return; + } + + switch (part->type) { + case PARTITION_NBL1FW_REST: + ptype = "NBL1FW"; + break; + case PARTITION_BL2_BL31: + ptype = "BL2_BL31"; + break; + case PARTITION_UBOOT: + ptype = "BOOTLDR"; + break; + case PARTITION_KERNEL: + ptype = "KERNEL"; + break; + case PARTITION_DEVICE_TREE: + ptype = "DEVTREE"; + break; + default: + ptype = "UNKNOWN"; + } + printf("%10s %10d %10lx\n", ptype, part->size, part->offset); + } +} + +int do_atf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + ssize_t ret; + size_t size, offset; + void *buffer = 0; + unsigned int index, node; + char str[4 * sizeof(uint64_t)]; + + if ((argc == 5) && !strcmp(argv[1], "readmmc")) { + buffer = (void *)simple_strtoul(argv[2], NULL, 16); + offset = simple_strtoul(argv[3], NULL, 10); + size = simple_strtoul(argv[4], NULL, 10); + + ret = atf_read_mmc(offset, buffer, size); + } else if ((argc == 5) && !strcmp(argv[1], "readnor")) { + buffer = (void *)simple_strtoul(argv[2], NULL, 16); + offset = simple_strtoul(argv[3], NULL, 10); + size = simple_strtoul(argv[4], NULL, 10); + + ret = atf_read_nor(offset, buffer, size); + } else if ((argc == 5) && !strcmp(argv[1], "writemmc")) { + buffer = (void *)simple_strtoul(argv[2], NULL, 16); + offset = simple_strtoul(argv[3], NULL, 10); + size = simple_strtoul(argv[4], NULL, 10); + + ret = atf_write_mmc(offset, buffer, size); + } else if ((argc == 5) && !strcmp(argv[1], "writenor")) { + buffer = (void *)simple_strtoul(argv[2], NULL, 16); + offset = simple_strtoul(argv[3], NULL, 10); + size = simple_strtoul(argv[4], NULL, 10); + + ret = atf_write_nor(offset, buffer, size); + } else if ((argc == 2) && !strcmp(argv[1], "part")) { + atf_print_part_table(); + } else if ((argc == 4) && !strcmp(argv[1], "erasenor")) { + offset = simple_strtoul(argv[2], NULL, 10); + size = simple_strtoul(argv[3], NULL, 10); + + ret = atf_erase_nor(offset, size); + } else if ((argc == 2) && !strcmp(argv[1], "envcount")) { + ret = atf_env_count(); + printf("Number of environment strings: %zd\n", ret); + } else if ((argc == 3) && !strcmp(argv[1], "envstring")) { + index = simple_strtoul(argv[2], NULL, 10); + ret = atf_env_string(index, str); + if (ret > 0) + printf("Environment string %d: %s\n", index, str); + else + printf("Return code: %zd\n", ret); + } else if ((argc == 3) && !strcmp(argv[1], "dramsize")) { + node = simple_strtoul(argv[2], NULL, 10); + ret = atf_dram_size(node); + printf("DRAM size: %zd Mbytes\n", ret >> 20); + } else if ((argc == 2) && !strcmp(argv[1], "nodes")) { + ret = atf_node_count(); + printf("Nodes count: %zd\n", ret); + } else if ((argc == 2) && !strcmp(argv[1], "ver")) { + atf_print_ver(); + } else if ((argc == 2) && !strcmp(argv[1], "uid")) { + atf_print_uid(); + } else { + return CMD_RET_USAGE; + } + + return 0; +} + +U_BOOT_CMD( + atf, 10, 1, do_atf, + "issue calls to ATF", + "\t readmmc addr offset size - read MMC card\n" + "\t readnor addr offset size - read NOR flash\n" + "\t writemmc addr offset size - write MMC card\n" + "\t writenor addr offset size - write NOR flash\n" + "\t erasenor offset size - erase NOR flash\n" + "\t nodes - number of nodes\n" + "\t dramsize node - size of DRAM attached to node\n" + "\t envcount - number of environment strings\n" + "\t envstring index - print the environment string\n" + "\t part - print MMC partition table\n" + "\t ver - print ATF call set versions\n" +); + +#endif diff --git a/include/cavium/atf.h b/include/cavium/atf.h new file mode 100644 index 0000000..0a53c2f --- /dev/null +++ b/include/cavium/atf.h @@ -0,0 +1,22 @@ +/** + * (C) Copyright 2014, Cavium Inc. + * + * SPDX-License-Identifier: GPL-2.0+ +**/ +#ifndef __ATF_H__ +#define __ATF_H__ +#include <cavium/atf_part.h> + +ssize_t atf_read_mmc(uintptr_t offset, void *buffer, size_t size); +ssize_t atf_read_nor(uintptr_t offset, void *buffer, size_t size); +ssize_t atf_get_pcount(void); +ssize_t atf_get_part(struct storage_partition *part, unsigned int index); +ssize_t atf_erase_nor(uintptr_t offset, size_t size); +ssize_t atf_write_nor(uintptr_t offset, const void *buffer, size_t size); +ssize_t atf_write_mmc(uintptr_t offset, const void *buffer, size_t size); +ssize_t atf_dram_size(unsigned int node); +ssize_t atf_node_count(void); +ssize_t atf_env_count(void); +ssize_t atf_env_string(size_t index, char *str); + +#endif diff --git a/include/cavium/atf_part.h b/include/cavium/atf_part.h new file mode 100644 index 0000000..182f6f4 --- /dev/null +++ b/include/cavium/atf_part.h @@ -0,0 +1,26 @@ +/** + * (C) Copyright 2014, Cavium Inc. + * + * SPDX-License-Identifier: GPL-2.0+ +**/ + +#ifndef __ATF_PART_H__ +#define __ATF_PART_H__ + +struct storage_partition { + unsigned int type; + unsigned int size; + unsigned long offset; +}; + +enum { + PARTITION_NBL1FW_REST = 0, + PARTITION_BL2_BL31 = 1, + PARTITION_UBOOT = 2, + PARTITION_UEFI = 2, + PARTITION_KERNEL = 3, + PARTITION_DEVICE_TREE = 4, + PARTITION_LAST, +}; + +#endif diff --git a/include/cavium/thunderx_svc.h b/include/cavium/thunderx_svc.h new file mode 100644 index 0000000..416ce3c --- /dev/null +++ b/include/cavium/thunderx_svc.h @@ -0,0 +1,67 @@ +/** + * (C) Copyright 2014, Cavium Inc. + * + * SPDX-License-Identifier: GPL-2.0+ +**/ + +#ifndef __THUNDERX_SVC_H__ +#define __THUNDERX_SVC_H__ + +/* SMC function IDs for general purpose queries */ + +#define THUNDERX_SVC_CALL_COUNT 0x4300ff00 +#define THUNDERX_SVC_UID 0x4300ff01 + +#define THUNDERX_SVC_VERSION 0x4300ff03 + +#define ARM_STD_SVC_VERSION 0x8400ff03 + +/* ThunderX Service Calls version numbers */ +#define THUNDERX_VERSION_MAJOR 0x0 +#define THUNDERX_VERSION_MINOR 0x1 + +#define THUNDERX_MMC_READ 0x43000101 +/* x1 - block address + * x2 - size + * x3 - buffer address + */ +#define THUNDERX_MMC_WRITE 0x43000102 +/* x1 - block address + * x2 - size + * x3 - buffer address + */ + +#define THUNDERX_NOR_READ 0x43000111 +/* x1 - block address + * x2 - size + * x3 - buffer address + */ +#define THUNDERX_NOR_WRITE 0x43000112 +/* x1 - block address + * x2 - size + * x3 - buffer address + */ +#define THUNDERX_NOR_ERASE 0x43000113 +/* x1 - block address + */ + +#define THUNDERX_PART_COUNT 0x43000201 +#define THUNDERX_GET_PART 0x43000202 +/* x1 - pointer to the buffer + * x2 - index + */ + +#define THUNDERX_DRAM_SIZE 0x43000301 +/* x1 - node number + */ + +#define THUNDERX_GTI_SYNC 0x43000401 + +#define THUNDERX_ENV_COUNT 0x43000501 +#define THUNDERX_ENV_STRING 0x43000502 +/* x1 - index + */ + +#define THUNDERX_NODE_COUNT 0x43000601 + +#endif /* __THUNDERX_SVC_H__ */ diff --git a/include/configs/thunderx_88xx.h b/include/configs/thunderx_88xx.h index 1973ca5..6fc92f0 100644 --- a/include/configs/thunderx_88xx.h +++ b/include/configs/thunderx_88xx.h @@ -32,6 +32,8 @@
#define CONFIG_SYS_FULL_VA
+#define CONFIG_SYS_LOWMEM_BASE MEM_BASE + #define CONFIG_SYS_MEM_MAP {{0x000000000000UL, 0x40000000000UL, \ MT_NORMAL}, \ {0x800000000000UL, 0x40000000000UL, \