Commit 900f88f3 authored by Sergey Temerkhanov's avatar Sergey Temerkhanov Committed by Tom Rini

armv8: cavium: Add an implementation of ATF calling functions

This commit adds functions issuing calls to the product-specific ATF
services
Signed-off-by: 's avatarSergey Temerkhanov <s.temerkhanov@gmail.com>
Signed-off-by: 's avatarRadha Mohan Chintakuntla <rchintakuntla@cavium.com>
parent 746f985a
......@@ -5,4 +5,4 @@
# SPDX-License-Identifier: GPL-2.0+
#
obj-y := thunderx.o
obj-y := thunderx.o atf.o
/**
* (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(&regs);
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(&regs);
return regs.regs[0];
}
ssize_t atf_get_pcount(void)
{
struct pt_regs regs;
regs.regs[0] = THUNDERX_PART_COUNT;
smc_call(&regs);
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(&regs);
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(&regs);
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(&regs);
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(&regs);
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(&regs);
return regs.regs[0];
}
ssize_t atf_node_count(void)
{
struct pt_regs regs;
regs.regs[0] = THUNDERX_NODE_COUNT;
smc_call(&regs);
return regs.regs[0];
}
ssize_t atf_env_count(void)
{
struct pt_regs regs;
regs.regs[0] = THUNDERX_ENV_COUNT;
smc_call(&regs);
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(&regs);
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(&regs);
printf("ARM Std FW version: %ld.%ld\n", regs.regs[0], regs.regs[1]);
regs.regs[0] = THUNDERX_SVC_VERSION;
smc_call(&regs);
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
/**
* (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
/**
* (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
/**
* (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__ */
......@@ -26,6 +26,8 @@
#define CONFIG_SYS_FULL_VA
#define CONFIG_SYS_LOWMEM_BASE MEM_BASE
#define CONFIG_SYS_MEM_MAP {{0x000000000000UL, 0x40000000000UL, \
PTL2_MEMTYPE(MT_NORMAL) | \
PTL2_BLOCK_NON_SHARE}, \
......
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