]> git.sur5r.net Git - u-boot/blobdiff - drivers/qe/qe.c
mtd: nand: mxs_nand_spl: add mxs_flash_full_ident
[u-boot] / drivers / qe / qe.c
index 5fd213546d6cba795e11a5a6ee364dcef2387e89..7654df80083ede5d723ce12939871786fdd39ba2 100644 (file)
@@ -1,34 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2006-2009 Freescale Semiconductor, Inc.
  *
  * Dave Liu <daveliu@freescale.com>
  * based on source code of Shlomi Gridish
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
  */
 
-#include "common.h"
+#include <common.h>
+#include <malloc.h>
 #include <command.h>
-#include "asm/errno.h"
-#include "asm/io.h"
-#include "asm/immap_qe.h"
-#include "qe.h"
+#include <linux/errno.h>
+#include <asm/io.h>
+#include <linux/immap_qe.h>
+#include <fsl_qe.h>
+#ifdef CONFIG_ARCH_LS1021A
+#include <asm/arch/immap_ls102xa.h>
+#endif
+
+#ifdef CONFIG_SYS_QE_FMAN_FW_IN_MMC
+#include <mmc.h>
+#endif
+
+#define MPC85xx_DEVDISR_QE_DISABLE     0x1
 
 qe_map_t               *qe_immr = NULL;
+#ifdef CONFIG_QE
 static qe_snum_t       snums[QE_NUM_OF_SNUM];
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -51,6 +49,7 @@ void qe_issue_cmd(uint cmd, uint sbc, u8 mcn, u32 cmd_data)
        return;
 }
 
+#ifdef CONFIG_QE
 uint qe_muram_alloc(uint size, uint align)
 {
        uint    retloc;
@@ -81,12 +80,14 @@ uint qe_muram_alloc(uint size, uint align)
 
        return retloc;
 }
+#endif
 
 void *qe_muram_addr(uint offset)
 {
        return (void *)&qe_immr->muram[offset];
 }
 
+#ifdef CONFIG_QE
 static void qe_sdma_init(void)
 {
        volatile sdma_t *p;
@@ -178,7 +179,7 @@ void qe_init(uint qe_base)
        /*
         * Upload microcode to IRAM for those SOCs which do not have ROM in QE.
         */
-       qe_upload_firmware((const void *)CONFIG_SYS_QE_FMAN_FW_ADDR);
+       qe_upload_firmware((const void *)CONFIG_SYS_QE_FW_ADDR);
 
        /* enable the microcode in IRAM */
        out_be32(&qe_immr->iram.iready,QE_IRAM_READY);
@@ -190,6 +191,55 @@ void qe_init(uint qe_base)
        qe_sdma_init();
        qe_snums_init();
 }
+#endif
+
+#ifdef CONFIG_U_QE
+void u_qe_init(void)
+{
+       qe_immr = (qe_map_t *)(CONFIG_SYS_IMMR + QE_IMMR_OFFSET);
+
+       void *addr = (void *)CONFIG_SYS_QE_FW_ADDR;
+#ifdef CONFIG_SYS_QE_FMAN_FW_IN_MMC
+       int dev = CONFIG_SYS_MMC_ENV_DEV;
+       u32 cnt = CONFIG_SYS_QE_FMAN_FW_LENGTH / 512;
+       u32 blk = CONFIG_SYS_QE_FW_ADDR / 512;
+
+       if (mmc_initialize(gd->bd)) {
+               printf("%s: mmc_initialize() failed\n", __func__);
+               return;
+       }
+       addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
+       struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
+
+       if (!mmc) {
+               free(addr);
+               printf("\nMMC cannot find device for ucode\n");
+       } else {
+               printf("\nMMC read: dev # %u, block # %u, count %u ...\n",
+                      dev, blk, cnt);
+               mmc_init(mmc);
+               (void)mmc->block_dev.block_read(&mmc->block_dev, blk, cnt,
+                                               addr);
+       }
+#endif
+       if (!u_qe_upload_firmware(addr))
+               out_be32(&qe_immr->iram.iready, QE_IRAM_READY);
+#ifdef CONFIG_SYS_QE_FMAN_FW_IN_MMC
+       free(addr);
+#endif
+}
+#endif
+
+#ifdef CONFIG_U_QE
+void u_qe_resume(void)
+{
+       qe_map_t *qe_immrr;
+
+       qe_immrr = (qe_map_t *)(CONFIG_SYS_IMMR + QE_IMMR_OFFSET);
+       u_qe_firmware_resume((const void *)CONFIG_SYS_QE_FW_ADDR, qe_immrr);
+       out_be32(&qe_immrr->iram.iready, QE_IRAM_READY);
+}
+#endif
 
 void qe_reset(void)
 {
@@ -197,6 +247,7 @@ void qe_reset(void)
                         (u8) QE_CR_PROTOCOL_UNSPECIFIED, 0);
 }
 
+#ifdef CONFIG_QE
 void qe_assign_page(uint snum, uint para_ram_base)
 {
        u32     cecr;
@@ -212,6 +263,7 @@ void qe_assign_page(uint snum, uint para_ram_base)
 
        return;
 }
+#endif
 
 /*
  * brg: 0~15 as BRG1~BRG16
@@ -223,6 +275,7 @@ void qe_assign_page(uint snum, uint para_ram_base)
 
 #define BRG_CLK                (gd->arch.brg_clk)
 
+#ifdef CONFIG_QE
 int qe_set_brg(uint brg, uint rate)
 {
        volatile uint   *bp;
@@ -250,6 +303,7 @@ int qe_set_brg(uint brg, uint rate)
 
        return 0;
 }
+#endif
 
 /* Set ethernet MII clock master
 */
@@ -294,9 +348,10 @@ static void qe_upload_microcode(const void *base,
 
        if (ucode->major || ucode->minor || ucode->revision)
                printf("QE: uploading microcode '%s' version %u.%u.%u\n",
-                       ucode->id, ucode->major, ucode->minor, ucode->revision);
+                      (char *)ucode->id, (u16)ucode->major, (u16)ucode->minor,
+                      (u16)ucode->revision);
        else
-               printf("QE: uploading microcode '%s'\n", ucode->id);
+               printf("QE: uploading microcode '%s'\n", (char *)ucode->id);
 
        /* Use auto-increment */
        out_be32(&qe_immr->iram.iadd, be32_to_cpu(ucode->iram_offset) |
@@ -330,7 +385,13 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
        size_t calc_size = sizeof(struct qe_firmware);
        size_t length;
        const struct qe_header *hdr;
-
+#ifdef CONFIG_DEEP_SLEEP
+#ifdef CONFIG_ARCH_LS1021A
+       struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+#else
+       ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+#endif
+#endif
        if (!firmware) {
                printf("Invalid address\n");
                return -EINVAL;
@@ -342,7 +403,10 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
        /* Check the magic */
        if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
            (hdr->magic[2] != 'F')) {
-               printf("Not a microcode\n");
+               printf("QE microcode not found\n");
+#ifdef CONFIG_DEEP_SLEEP
+               setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_QE_DISABLE);
+#endif
                return -EPERM;
        }
 
@@ -406,7 +470,7 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
         * saved microcode information and put in the new.
         */
        memset(&qe_firmware_info, 0, sizeof(qe_firmware_info));
-       strcpy(qe_firmware_info.id, (char *)firmware->id);
+       strncpy(qe_firmware_info.id, (char *)firmware->id, 62);
        qe_firmware_info.extended_modes = firmware->extended_modes;
        memcpy(qe_firmware_info.vtraps, firmware->vtraps,
                sizeof(firmware->vtraps));
@@ -435,6 +499,205 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
        return 0;
 }
 
+#ifdef CONFIG_U_QE
+/*
+ * Upload a microcode to the I-RAM at a specific address.
+ *
+ * See docs/README.qe_firmware for information on QE microcode uploading.
+ *
+ * Currently, only version 1 is supported, so the 'version' field must be
+ * set to 1.
+ *
+ * The SOC model and revision are not validated, they are only displayed for
+ * informational purposes.
+ *
+ * 'calc_size' is the calculated size, in bytes, of the firmware structure and
+ * all of the microcode structures, minus the CRC.
+ *
+ * 'length' is the size that the structure says it is, including the CRC.
+ */
+int u_qe_upload_firmware(const struct qe_firmware *firmware)
+{
+       unsigned int i;
+       unsigned int j;
+       u32 crc;
+       size_t calc_size = sizeof(struct qe_firmware);
+       size_t length;
+       const struct qe_header *hdr;
+#ifdef CONFIG_DEEP_SLEEP
+#ifdef CONFIG_ARCH_LS1021A
+       struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+#else
+       ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+#endif
+#endif
+       if (!firmware) {
+               printf("Invalid address\n");
+               return -EINVAL;
+       }
+
+       hdr = &firmware->header;
+       length = be32_to_cpu(hdr->length);
+
+       /* Check the magic */
+       if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
+           (hdr->magic[2] != 'F')) {
+               printf("Not a microcode\n");
+#ifdef CONFIG_DEEP_SLEEP
+               setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_QE_DISABLE);
+#endif
+               return -EPERM;
+       }
+
+       /* Check the version */
+       if (hdr->version != 1) {
+               printf("Unsupported version\n");
+               return -EPERM;
+       }
+
+       /* Validate some of the fields */
+       if ((firmware->count < 1) || (firmware->count > MAX_QE_RISC)) {
+               printf("Invalid data\n");
+               return -EINVAL;
+       }
+
+       /* Validate the length and check if there's a CRC */
+       calc_size += (firmware->count - 1) * sizeof(struct qe_microcode);
+
+       for (i = 0; i < firmware->count; i++)
+               /*
+                * For situations where the second RISC uses the same microcode
+                * as the first, the 'code_offset' and 'count' fields will be
+                * zero, so it's okay to add those.
+                */
+               calc_size += sizeof(u32) *
+                       be32_to_cpu(firmware->microcode[i].count);
+
+       /* Validate the length */
+       if (length != calc_size + sizeof(u32)) {
+               printf("Invalid length\n");
+               return -EPERM;
+       }
+
+       /*
+        * Validate the CRC.  We would normally call crc32_no_comp(), but that
+        * function isn't available unless you turn on JFFS support.
+        */
+       crc = be32_to_cpu(*(u32 *)((void *)firmware + calc_size));
+       if (crc != (crc32(-1, (const void *)firmware, calc_size) ^ -1)) {
+               printf("Firmware CRC is invalid\n");
+               return -EIO;
+       }
+
+       /*
+        * If the microcode calls for it, split the I-RAM.
+        */
+       if (!firmware->split) {
+               out_be16(&qe_immr->cp.cercr,
+                        in_be16(&qe_immr->cp.cercr) | QE_CP_CERCR_CIR);
+       }
+
+       if (firmware->soc.model)
+               printf("Firmware '%s' for %u V%u.%u\n",
+                      firmware->id, be16_to_cpu(firmware->soc.model),
+                      firmware->soc.major, firmware->soc.minor);
+       else
+               printf("Firmware '%s'\n", firmware->id);
+
+       /* Loop through each microcode. */
+       for (i = 0; i < firmware->count; i++) {
+               const struct qe_microcode *ucode = &firmware->microcode[i];
+
+               /* Upload a microcode if it's present */
+               if (ucode->code_offset)
+                       qe_upload_microcode(firmware, ucode);
+
+               /* Program the traps for this processor */
+               for (j = 0; j < 16; j++) {
+                       u32 trap = be32_to_cpu(ucode->traps[j]);
+
+                       if (trap)
+                               out_be32(&qe_immr->rsp[i].tibcr[j], trap);
+               }
+
+               /* Enable traps */
+               out_be32(&qe_immr->rsp[i].eccr, be32_to_cpu(ucode->eccr));
+       }
+
+       return 0;
+}
+#endif
+
+#ifdef CONFIG_U_QE
+int u_qe_firmware_resume(const struct qe_firmware *firmware, qe_map_t *qe_immrr)
+{
+       unsigned int i;
+       unsigned int j;
+       const struct qe_header *hdr;
+       const u32 *code;
+#ifdef CONFIG_DEEP_SLEEP
+#ifdef CONFIG_PPC
+       ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+#else
+       struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
+#endif
+#endif
+
+       if (!firmware)
+               return -EINVAL;
+
+       hdr = &firmware->header;
+
+       /* Check the magic */
+       if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
+           (hdr->magic[2] != 'F')) {
+#ifdef CONFIG_DEEP_SLEEP
+               setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_QE_DISABLE);
+#endif
+               return -EPERM;
+       }
+
+       /*
+        * If the microcode calls for it, split the I-RAM.
+        */
+       if (!firmware->split) {
+               out_be16(&qe_immrr->cp.cercr,
+                        in_be16(&qe_immrr->cp.cercr) | QE_CP_CERCR_CIR);
+       }
+
+       /* Loop through each microcode. */
+       for (i = 0; i < firmware->count; i++) {
+               const struct qe_microcode *ucode = &firmware->microcode[i];
+
+               /* Upload a microcode if it's present */
+               if (!ucode->code_offset)
+                       return 0;
+
+               code = (const void *)firmware + be32_to_cpu(ucode->code_offset);
+
+               /* Use auto-increment */
+               out_be32(&qe_immrr->iram.iadd, be32_to_cpu(ucode->iram_offset) |
+                       QE_IRAM_IADD_AIE | QE_IRAM_IADD_BADDR);
+
+               for (i = 0; i < be32_to_cpu(ucode->count); i++)
+                       out_be32(&qe_immrr->iram.idata, be32_to_cpu(code[i]));
+
+               /* Program the traps for this processor */
+               for (j = 0; j < 16; j++) {
+                       u32 trap = be32_to_cpu(ucode->traps[j]);
+
+                       if (trap)
+                               out_be32(&qe_immrr->rsp[i].tibcr[j], trap);
+               }
+
+               /* Enable traps */
+               out_be32(&qe_immrr->rsp[i].eccr, be32_to_cpu(ucode->eccr));
+       }
+
+       return 0;
+}
+#endif
+
 struct qe_firmware_info *qe_get_firmware_info(void)
 {
        return qe_firmware_uploaded ? &qe_firmware_info : NULL;