1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2014, Cavium Inc.
9 #include <asm/system.h>
10 #include <cavium/thunderx_svc.h>
11 #include <cavium/atf.h>
12 #include <cavium/atf_part.h>
18 ssize_t atf_read_mmc(uintptr_t offset, void *buffer, size_t size)
21 regs.regs[0] = THUNDERX_MMC_READ;
22 regs.regs[1] = offset;
24 regs.regs[3] = (uintptr_t)buffer;
31 ssize_t atf_read_nor(uintptr_t offset, void *buffer, size_t size)
34 regs.regs[0] = THUNDERX_NOR_READ;
35 regs.regs[1] = offset;
37 regs.regs[3] = (uintptr_t)buffer;
44 ssize_t atf_get_pcount(void)
47 regs.regs[0] = THUNDERX_PART_COUNT;
54 ssize_t atf_get_part(struct storage_partition *part, unsigned int index)
57 regs.regs[0] = THUNDERX_GET_PART;
58 regs.regs[1] = (uintptr_t)part;
66 ssize_t atf_erase_nor(uintptr_t offset, size_t size)
70 regs.regs[0] = THUNDERX_NOR_ERASE;
71 regs.regs[1] = offset;
78 ssize_t atf_write_nor(uintptr_t offset, const void *buffer, size_t size)
82 regs.regs[0] = THUNDERX_NOR_WRITE;
83 regs.regs[1] = offset;
85 regs.regs[3] = (uintptr_t)buffer;
92 ssize_t atf_write_mmc(uintptr_t offset, const void *buffer, size_t size)
96 regs.regs[0] = THUNDERX_MMC_WRITE;
97 regs.regs[1] = offset;
99 regs.regs[3] = (uintptr_t)buffer;
106 ssize_t atf_dram_size(unsigned int node)
109 regs.regs[0] = THUNDERX_DRAM_SIZE;
117 ssize_t atf_node_count(void)
120 regs.regs[0] = THUNDERX_NODE_COUNT;
127 ssize_t atf_env_count(void)
130 regs.regs[0] = THUNDERX_ENV_COUNT;
137 ssize_t atf_env_string(size_t index, char *str)
139 uint64_t *buf = (void *)str;
141 regs.regs[0] = THUNDERX_ENV_STRING;
142 regs.regs[1] = index;
147 buf[0] = regs.regs[0];
148 buf[1] = regs.regs[1];
149 buf[2] = regs.regs[2];
150 buf[3] = regs.regs[3];
158 #ifdef CONFIG_CMD_ATF
160 static void atf_print_ver(void)
163 regs.regs[0] = ARM_STD_SVC_VERSION;
167 printf("ARM Std FW version: %ld.%ld\n", regs.regs[0], regs.regs[1]);
169 regs.regs[0] = THUNDERX_SVC_VERSION;
173 printf("ThunderX OEM ver: %ld.%ld\n", regs.regs[0], regs.regs[1]);
176 static void atf_print_uid(void)
180 static void atf_print_part_table(void)
187 struct storage_partition *part = (void *)CONFIG_SYS_LOWMEM_BASE;
189 pcount = atf_get_pcount();
191 printf("Partition count: %lu\n\n", pcount);
192 printf("%10s %10s %10s\n", "Type", "Size", "Offset");
194 for (i = 0; i < pcount; i++) {
195 ret = atf_get_part(part, i);
198 printf("Uknown error while reading partition: %d\n",
203 switch (part->type) {
204 case PARTITION_NBL1FW_REST:
207 case PARTITION_BL2_BL31:
210 case PARTITION_UBOOT:
213 case PARTITION_KERNEL:
216 case PARTITION_DEVICE_TREE:
222 printf("%10s %10d %10lx\n", ptype, part->size, part->offset);
226 int do_atf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
231 unsigned int index, node;
232 char str[4 * sizeof(uint64_t)];
234 if ((argc == 5) && !strcmp(argv[1], "readmmc")) {
235 buffer = (void *)simple_strtoul(argv[2], NULL, 16);
236 offset = simple_strtoul(argv[3], NULL, 10);
237 size = simple_strtoul(argv[4], NULL, 10);
239 ret = atf_read_mmc(offset, buffer, size);
240 } else if ((argc == 5) && !strcmp(argv[1], "readnor")) {
241 buffer = (void *)simple_strtoul(argv[2], NULL, 16);
242 offset = simple_strtoul(argv[3], NULL, 10);
243 size = simple_strtoul(argv[4], NULL, 10);
245 ret = atf_read_nor(offset, buffer, size);
246 } else if ((argc == 5) && !strcmp(argv[1], "writemmc")) {
247 buffer = (void *)simple_strtoul(argv[2], NULL, 16);
248 offset = simple_strtoul(argv[3], NULL, 10);
249 size = simple_strtoul(argv[4], NULL, 10);
251 ret = atf_write_mmc(offset, buffer, size);
252 } else if ((argc == 5) && !strcmp(argv[1], "writenor")) {
253 buffer = (void *)simple_strtoul(argv[2], NULL, 16);
254 offset = simple_strtoul(argv[3], NULL, 10);
255 size = simple_strtoul(argv[4], NULL, 10);
257 ret = atf_write_nor(offset, buffer, size);
258 } else if ((argc == 2) && !strcmp(argv[1], "part")) {
259 atf_print_part_table();
260 } else if ((argc == 4) && !strcmp(argv[1], "erasenor")) {
261 offset = simple_strtoul(argv[2], NULL, 10);
262 size = simple_strtoul(argv[3], NULL, 10);
264 ret = atf_erase_nor(offset, size);
265 } else if ((argc == 2) && !strcmp(argv[1], "envcount")) {
266 ret = atf_env_count();
267 printf("Number of environment strings: %zd\n", ret);
268 } else if ((argc == 3) && !strcmp(argv[1], "envstring")) {
269 index = simple_strtoul(argv[2], NULL, 10);
270 ret = atf_env_string(index, str);
272 printf("Environment string %d: %s\n", index, str);
274 printf("Return code: %zd\n", ret);
275 } else if ((argc == 3) && !strcmp(argv[1], "dramsize")) {
276 node = simple_strtoul(argv[2], NULL, 10);
277 ret = atf_dram_size(node);
278 printf("DRAM size: %zd Mbytes\n", ret >> 20);
279 } else if ((argc == 2) && !strcmp(argv[1], "nodes")) {
280 ret = atf_node_count();
281 printf("Nodes count: %zd\n", ret);
282 } else if ((argc == 2) && !strcmp(argv[1], "ver")) {
284 } else if ((argc == 2) && !strcmp(argv[1], "uid")) {
287 return CMD_RET_USAGE;
295 "issue calls to ATF",
296 "\t readmmc addr offset size - read MMC card\n"
297 "\t readnor addr offset size - read NOR flash\n"
298 "\t writemmc addr offset size - write MMC card\n"
299 "\t writenor addr offset size - write NOR flash\n"
300 "\t erasenor offset size - erase NOR flash\n"
301 "\t nodes - number of nodes\n"
302 "\t dramsize node - size of DRAM attached to node\n"
303 "\t envcount - number of environment strings\n"
304 "\t envstring index - print the environment string\n"
305 "\t part - print MMC partition table\n"
306 "\t ver - print ATF call set versions\n"