2 * Copyright (C) 2006-2009 Freescale Semiconductor, Inc.
5 * based on source code of Shlomi Gridish
7 * SPDX-License-Identifier: GPL-2.0+
12 #include "asm/errno.h"
14 #include "linux/immap_qe.h"
17 #include <asm/arch/immap_ls102xa.h>
20 #define MPC85xx_DEVDISR_QE_DISABLE 0x1
22 qe_map_t *qe_immr = NULL;
23 static qe_snum_t snums[QE_NUM_OF_SNUM];
25 DECLARE_GLOBAL_DATA_PTR;
27 void qe_issue_cmd(uint cmd, uint sbc, u8 mcn, u32 cmd_data)
31 if (cmd == QE_RESET) {
32 out_be32(&qe_immr->cp.cecr,(u32) (cmd | QE_CR_FLG));
34 out_be32(&qe_immr->cp.cecdr, cmd_data);
35 out_be32(&qe_immr->cp.cecr, (sbc | QE_CR_FLG |
36 ((u32) mcn<<QE_CR_PROTOCOL_SHIFT) | cmd));
38 /* Wait for the QE_CR_FLG to clear */
40 cecr = in_be32(&qe_immr->cp.cecr);
41 } while (cecr & QE_CR_FLG);
47 uint qe_muram_alloc(uint size, uint align)
53 align_mask = align - 1;
54 savebase = gd->arch.mp_alloc_base;
56 off = gd->arch.mp_alloc_base & align_mask;
58 gd->arch.mp_alloc_base += (align - off);
60 if ((off = size & align_mask) != 0)
61 size += (align - off);
63 if ((gd->arch.mp_alloc_base + size) >= gd->arch.mp_alloc_top) {
64 gd->arch.mp_alloc_base = savebase;
65 printf("%s: ran out of ram.\n", __FUNCTION__);
68 retloc = gd->arch.mp_alloc_base;
69 gd->arch.mp_alloc_base += size;
71 memset((void *)&qe_immr->muram[retloc], 0, size);
73 __asm__ __volatile__("sync");
79 void *qe_muram_addr(uint offset)
81 return (void *)&qe_immr->muram[offset];
84 static void qe_sdma_init(void)
87 uint sdma_buffer_base;
89 p = (volatile sdma_t *)&qe_immr->sdma;
91 /* All of DMA transaction in bus 1 */
92 out_be32(&p->sdaqr, 0);
93 out_be32(&p->sdaqmr, 0);
95 /* Allocate 2KB temporary buffer for sdma */
96 sdma_buffer_base = qe_muram_alloc(2048, 4096);
97 out_be32(&p->sdwbcr, sdma_buffer_base & QE_SDEBCR_BA_MASK);
99 /* Clear sdma status */
100 out_be32(&p->sdsr, 0x03000000);
102 /* Enable global mode on bus 1, and 2KB buffer size */
103 out_be32(&p->sdmr, QE_SDMR_GLB_1_MSK | (0x3 << QE_SDMR_CEN_SHIFT));
106 /* This table is a list of the serial numbers of the Threads, taken from the
107 * "SNUM Table" chart in the QE Reference Manual. The order is not important,
108 * we just need to know what the SNUMs are for the threads.
110 static u8 thread_snum[] = {
111 /* Evthreads 16-29 are not supported in MPC8309 */
112 #if !defined(CONFIG_MPC8309)
113 0x04, 0x05, 0x0c, 0x0d,
114 0x14, 0x15, 0x1c, 0x1d,
115 0x24, 0x25, 0x2c, 0x2d,
118 0x88, 0x89, 0x98, 0x99,
119 0xa8, 0xa9, 0xb8, 0xb9,
120 0xc8, 0xc9, 0xd8, 0xd9,
121 0xe8, 0xe9, 0x08, 0x09,
122 0x18, 0x19, 0x28, 0x29,
123 0x38, 0x39, 0x48, 0x49,
124 0x58, 0x59, 0x68, 0x69,
125 0x78, 0x79, 0x80, 0x81
128 static void qe_snums_init(void)
132 for (i = 0; i < QE_NUM_OF_SNUM; i++) {
133 snums[i].state = QE_SNUM_STATE_FREE;
134 snums[i].num = thread_snum[i];
138 int qe_get_snum(void)
143 for (i = 0; i < QE_NUM_OF_SNUM; i++) {
144 if (snums[i].state == QE_SNUM_STATE_FREE) {
145 snums[i].state = QE_SNUM_STATE_USED;
154 void qe_put_snum(u8 snum)
158 for (i = 0; i < QE_NUM_OF_SNUM; i++) {
159 if (snums[i].num == snum) {
160 snums[i].state = QE_SNUM_STATE_FREE;
166 void qe_init(uint qe_base)
168 /* Init the QE IMMR base */
169 qe_immr = (qe_map_t *)qe_base;
171 #ifdef CONFIG_SYS_QE_FMAN_FW_IN_NOR
173 * Upload microcode to IRAM for those SOCs which do not have ROM in QE.
175 qe_upload_firmware((const void *)CONFIG_SYS_QE_FW_ADDR);
177 /* enable the microcode in IRAM */
178 out_be32(&qe_immr->iram.iready,QE_IRAM_READY);
181 gd->arch.mp_alloc_base = QE_DATAONLY_BASE;
182 gd->arch.mp_alloc_top = gd->arch.mp_alloc_base + QE_DATAONLY_SIZE;
191 uint qe_base = CONFIG_SYS_IMMR + 0x01400000; /* QE immr base */
192 qe_immr = (qe_map_t *)qe_base;
194 u_qe_upload_firmware((const void *)CONFIG_SYS_QE_FW_ADDR);
195 out_be32(&qe_immr->iram.iready, QE_IRAM_READY);
201 qe_issue_cmd(QE_RESET, QE_CR_SUBBLOCK_INVALID,
202 (u8) QE_CR_PROTOCOL_UNSPECIFIED, 0);
205 void qe_assign_page(uint snum, uint para_ram_base)
209 out_be32(&qe_immr->cp.cecdr, para_ram_base);
210 out_be32(&qe_immr->cp.cecr, ((u32) snum<<QE_CR_ASSIGN_PAGE_SNUM_SHIFT)
211 | QE_CR_FLG | QE_ASSIGN_PAGE);
213 /* Wait for the QE_CR_FLG to clear */
215 cecr = in_be32(&qe_immr->cp.cecr);
216 } while (cecr & QE_CR_FLG );
222 * brg: 0~15 as BRG1~BRG16
224 * BRG input clock comes from the BRGCLK (internal clock generated from
225 the QE clock, it is one-half of the QE clock), If need the clock source
226 from CLKn pin, we have te change the function.
229 #define BRG_CLK (gd->arch.brg_clk)
232 int qe_set_brg(uint brg, uint rate)
238 if (brg >= QE_NUM_OF_BRGS)
240 bp = (uint *)&qe_immr->brg.brgc1;
243 divisor = (BRG_CLK / rate);
244 if (divisor > QE_BRGC_DIVISOR_MAX + 1) {
249 *bp = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) | QE_BRGC_ENABLE;
250 __asm__ __volatile__("sync");
253 *bp |= QE_BRGC_DIV16;
254 __asm__ __volatile__("sync");
261 /* Set ethernet MII clock master
263 int qe_set_mii_clk_src(int ucc_num)
267 /* check if the UCC number is in range. */
268 if ((ucc_num > UCC_MAX_NUM - 1) || (ucc_num < 0)) {
269 printf("%s: ucc num not in ranges\n", __FUNCTION__);
273 cmxgcr = in_be32(&qe_immr->qmx.cmxgcr);
274 cmxgcr &= ~QE_CMXGCR_MII_ENET_MNG_MASK;
275 cmxgcr |= (ucc_num <<QE_CMXGCR_MII_ENET_MNG_SHIFT);
276 out_be32(&qe_immr->qmx.cmxgcr, cmxgcr);
281 /* Firmware information stored here for qe_get_firmware_info() */
282 static struct qe_firmware_info qe_firmware_info;
285 * Set to 1 if QE firmware has been uploaded, and therefore
286 * qe_firmware_info contains valid data.
288 static int qe_firmware_uploaded;
291 * Upload a QE microcode
293 * This function is a worker function for qe_upload_firmware(). It does
294 * the actual uploading of the microcode.
296 static void qe_upload_microcode(const void *base,
297 const struct qe_microcode *ucode)
299 const u32 *code = base + be32_to_cpu(ucode->code_offset);
302 if (ucode->major || ucode->minor || ucode->revision)
303 printf("QE: uploading microcode '%s' version %u.%u.%u\n",
304 ucode->id, ucode->major, ucode->minor, ucode->revision);
306 printf("QE: uploading microcode '%s'\n", ucode->id);
308 /* Use auto-increment */
309 out_be32(&qe_immr->iram.iadd, be32_to_cpu(ucode->iram_offset) |
310 QE_IRAM_IADD_AIE | QE_IRAM_IADD_BADDR);
312 for (i = 0; i < be32_to_cpu(ucode->count); i++)
313 out_be32(&qe_immr->iram.idata, be32_to_cpu(code[i]));
317 * Upload a microcode to the I-RAM at a specific address.
319 * See docs/README.qe_firmware for information on QE microcode uploading.
321 * Currently, only version 1 is supported, so the 'version' field must be
324 * The SOC model and revision are not validated, they are only displayed for
325 * informational purposes.
327 * 'calc_size' is the calculated size, in bytes, of the firmware structure and
328 * all of the microcode structures, minus the CRC.
330 * 'length' is the size that the structure says it is, including the CRC.
332 int qe_upload_firmware(const struct qe_firmware *firmware)
337 size_t calc_size = sizeof(struct qe_firmware);
339 const struct qe_header *hdr;
340 #ifdef CONFIG_DEEP_SLEEP
341 #ifdef CONFIG_LS102XA
342 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
344 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
348 printf("Invalid address\n");
352 hdr = &firmware->header;
353 length = be32_to_cpu(hdr->length);
355 /* Check the magic */
356 if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
357 (hdr->magic[2] != 'F')) {
358 printf("QE microcode not found\n");
359 #ifdef CONFIG_DEEP_SLEEP
360 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_QE_DISABLE);
365 /* Check the version */
366 if (hdr->version != 1) {
367 printf("Unsupported version\n");
371 /* Validate some of the fields */
372 if ((firmware->count < 1) || (firmware->count > MAX_QE_RISC)) {
373 printf("Invalid data\n");
377 /* Validate the length and check if there's a CRC */
378 calc_size += (firmware->count - 1) * sizeof(struct qe_microcode);
380 for (i = 0; i < firmware->count; i++)
382 * For situations where the second RISC uses the same microcode
383 * as the first, the 'code_offset' and 'count' fields will be
384 * zero, so it's okay to add those.
386 calc_size += sizeof(u32) *
387 be32_to_cpu(firmware->microcode[i].count);
389 /* Validate the length */
390 if (length != calc_size + sizeof(u32)) {
391 printf("Invalid length\n");
396 * Validate the CRC. We would normally call crc32_no_comp(), but that
397 * function isn't available unless you turn on JFFS support.
399 crc = be32_to_cpu(*(u32 *)((void *)firmware + calc_size));
400 if (crc != (crc32(-1, (const void *) firmware, calc_size) ^ -1)) {
401 printf("Firmware CRC is invalid\n");
406 * If the microcode calls for it, split the I-RAM.
408 if (!firmware->split) {
409 out_be16(&qe_immr->cp.cercr,
410 in_be16(&qe_immr->cp.cercr) | QE_CP_CERCR_CIR);
413 if (firmware->soc.model)
414 printf("Firmware '%s' for %u V%u.%u\n",
415 firmware->id, be16_to_cpu(firmware->soc.model),
416 firmware->soc.major, firmware->soc.minor);
418 printf("Firmware '%s'\n", firmware->id);
421 * The QE only supports one microcode per RISC, so clear out all the
422 * saved microcode information and put in the new.
424 memset(&qe_firmware_info, 0, sizeof(qe_firmware_info));
425 strcpy(qe_firmware_info.id, (char *)firmware->id);
426 qe_firmware_info.extended_modes = firmware->extended_modes;
427 memcpy(qe_firmware_info.vtraps, firmware->vtraps,
428 sizeof(firmware->vtraps));
429 qe_firmware_uploaded = 1;
431 /* Loop through each microcode. */
432 for (i = 0; i < firmware->count; i++) {
433 const struct qe_microcode *ucode = &firmware->microcode[i];
435 /* Upload a microcode if it's present */
436 if (ucode->code_offset)
437 qe_upload_microcode(firmware, ucode);
439 /* Program the traps for this processor */
440 for (j = 0; j < 16; j++) {
441 u32 trap = be32_to_cpu(ucode->traps[j]);
444 out_be32(&qe_immr->rsp[i].tibcr[j], trap);
448 out_be32(&qe_immr->rsp[i].eccr, be32_to_cpu(ucode->eccr));
456 * Upload a microcode to the I-RAM at a specific address.
458 * See docs/README.qe_firmware for information on QE microcode uploading.
460 * Currently, only version 1 is supported, so the 'version' field must be
463 * The SOC model and revision are not validated, they are only displayed for
464 * informational purposes.
466 * 'calc_size' is the calculated size, in bytes, of the firmware structure and
467 * all of the microcode structures, minus the CRC.
469 * 'length' is the size that the structure says it is, including the CRC.
471 int u_qe_upload_firmware(const struct qe_firmware *firmware)
476 size_t calc_size = sizeof(struct qe_firmware);
478 const struct qe_header *hdr;
479 #ifdef CONFIG_DEEP_SLEEP
480 #ifdef CONFIG_LS102XA
481 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
483 ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
487 printf("Invalid address\n");
491 hdr = &firmware->header;
492 length = be32_to_cpu(hdr->length);
494 /* Check the magic */
495 if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
496 (hdr->magic[2] != 'F')) {
497 printf("Not a microcode\n");
498 #ifdef CONFIG_DEEP_SLEEP
499 setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_QE_DISABLE);
504 /* Check the version */
505 if (hdr->version != 1) {
506 printf("Unsupported version\n");
510 /* Validate some of the fields */
511 if ((firmware->count < 1) || (firmware->count > MAX_QE_RISC)) {
512 printf("Invalid data\n");
516 /* Validate the length and check if there's a CRC */
517 calc_size += (firmware->count - 1) * sizeof(struct qe_microcode);
519 for (i = 0; i < firmware->count; i++)
521 * For situations where the second RISC uses the same microcode
522 * as the first, the 'code_offset' and 'count' fields will be
523 * zero, so it's okay to add those.
525 calc_size += sizeof(u32) *
526 be32_to_cpu(firmware->microcode[i].count);
528 /* Validate the length */
529 if (length != calc_size + sizeof(u32)) {
530 printf("Invalid length\n");
535 * Validate the CRC. We would normally call crc32_no_comp(), but that
536 * function isn't available unless you turn on JFFS support.
538 crc = be32_to_cpu(*(u32 *)((void *)firmware + calc_size));
539 if (crc != (crc32(-1, (const void *)firmware, calc_size) ^ -1)) {
540 printf("Firmware CRC is invalid\n");
545 * If the microcode calls for it, split the I-RAM.
547 if (!firmware->split) {
548 out_be16(&qe_immr->cp.cercr,
549 in_be16(&qe_immr->cp.cercr) | QE_CP_CERCR_CIR);
552 if (firmware->soc.model)
553 printf("Firmware '%s' for %u V%u.%u\n",
554 firmware->id, be16_to_cpu(firmware->soc.model),
555 firmware->soc.major, firmware->soc.minor);
557 printf("Firmware '%s'\n", firmware->id);
559 /* Loop through each microcode. */
560 for (i = 0; i < firmware->count; i++) {
561 const struct qe_microcode *ucode = &firmware->microcode[i];
563 /* Upload a microcode if it's present */
564 if (ucode->code_offset)
565 qe_upload_microcode(firmware, ucode);
567 /* Program the traps for this processor */
568 for (j = 0; j < 16; j++) {
569 u32 trap = be32_to_cpu(ucode->traps[j]);
572 out_be32(&qe_immr->rsp[i].tibcr[j], trap);
576 out_be32(&qe_immr->rsp[i].eccr, be32_to_cpu(ucode->eccr));
583 struct qe_firmware_info *qe_get_firmware_info(void)
585 return qe_firmware_uploaded ? &qe_firmware_info : NULL;
588 static int qe_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
593 return cmd_usage(cmdtp);
595 if (strcmp(argv[1], "fw") == 0) {
596 addr = simple_strtoul(argv[2], NULL, 16);
599 printf("Invalid address\n");
604 * If a length was supplied, compare that with the 'length'
609 ulong length = simple_strtoul(argv[3], NULL, 16);
610 struct qe_firmware *firmware = (void *) addr;
612 if (length != be32_to_cpu(firmware->header.length)) {
613 printf("Length mismatch\n");
618 return qe_upload_firmware((const struct qe_firmware *) addr);
621 return cmd_usage(cmdtp);
626 "QUICC Engine commands",
627 "fw <addr> [<length>] - Upload firmware binary at address <addr> to "
629 "\twith optional length <length> verification."