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/**
* (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>
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
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