X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fqe%2Fqe.c;h=08620b23a7180fba914626b471a9de5ed099b90a;hb=ef159abf99a2c6654c14f7db14df465a964b50c6;hp=ea5a14b0bb3d91e75bdee14855a6d4cc559334d8;hpb=da72af8d727e74093e5fcb3e8599eb8d0df7a749;p=u-boot diff --git a/drivers/qe/qe.c b/drivers/qe/qe.c index ea5a14b0bb..08620b23a7 100644 --- a/drivers/qe/qe.c +++ b/drivers/qe/qe.c @@ -1,31 +1,23 @@ /* - * Copyright (C) 2006 Freescale Semiconductor, Inc. + * Copyright (C) 2006-2009 Freescale Semiconductor, Inc. * * Dave Liu * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include "common.h" #include #include "asm/errno.h" #include "asm/io.h" -#include "asm/immap_qe.h" +#include "linux/immap_qe.h" #include "qe.h" +#ifdef CONFIG_LS102XA +#include +#endif + +#define MPC85xx_DEVDISR_QE_DISABLE 0x1 qe_map_t *qe_immr = NULL; static qe_snum_t snums[QE_NUM_OF_SNUM]; @@ -51,6 +43,7 @@ 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; @@ -58,21 +51,22 @@ uint qe_muram_alloc(uint size, uint align) uint savebase; align_mask = align - 1; - savebase = gd->mp_alloc_base; + savebase = gd->arch.mp_alloc_base; - if ((off = (gd->mp_alloc_base & align_mask)) != 0) - gd->mp_alloc_base += (align - off); + off = gd->arch.mp_alloc_base & align_mask; + if (off != 0) + gd->arch.mp_alloc_base += (align - off); if ((off = size & align_mask) != 0) size += (align - off); - if ((gd->mp_alloc_base + size) >= gd->mp_alloc_top) { - gd->mp_alloc_base = savebase; + if ((gd->arch.mp_alloc_base + size) >= gd->arch.mp_alloc_top) { + gd->arch.mp_alloc_base = savebase; printf("%s: ran out of ram.\n", __FUNCTION__); } - retloc = gd->mp_alloc_base; - gd->mp_alloc_base += size; + retloc = gd->arch.mp_alloc_base; + gd->arch.mp_alloc_base += size; memset((void *)&qe_immr->muram[retloc], 0, size); @@ -80,6 +74,7 @@ uint qe_muram_alloc(uint size, uint align) return retloc; } +#endif void *qe_muram_addr(uint offset) { @@ -108,14 +103,26 @@ static void qe_sdma_init(void) out_be32(&p->sdmr, QE_SDMR_GLB_1_MSK | (0x3 << QE_SDMR_CEN_SHIFT)); } -static u8 thread_snum[QE_NUM_OF_SNUM] = { +/* This table is a list of the serial numbers of the Threads, taken from the + * "SNUM Table" chart in the QE Reference Manual. The order is not important, + * we just need to know what the SNUMs are for the threads. + */ +static u8 thread_snum[] = { +/* Evthreads 16-29 are not supported in MPC8309 */ +#if !defined(CONFIG_MPC8309) 0x04, 0x05, 0x0c, 0x0d, 0x14, 0x15, 0x1c, 0x1d, 0x24, 0x25, 0x2c, 0x2d, - 0x34, 0x35, 0x88, 0x89, - 0x98, 0x99, 0xa8, 0xa9, - 0xb8, 0xb9, 0xc8, 0xc9, - 0xd8, 0xd9, 0xe8, 0xe9 + 0x34, 0x35, +#endif + 0x88, 0x89, 0x98, 0x99, + 0xa8, 0xa9, 0xb8, 0xb9, + 0xc8, 0xc9, 0xd8, 0xd9, + 0xe8, 0xe9, 0x08, 0x09, + 0x18, 0x19, 0x28, 0x29, + 0x38, 0x39, 0x48, 0x49, + 0x58, 0x59, 0x68, 0x69, + 0x78, 0x79, 0x80, 0x81 }; static void qe_snums_init(void) @@ -161,22 +168,46 @@ void qe_init(uint qe_base) /* Init the QE IMMR base */ qe_immr = (qe_map_t *)qe_base; -#ifdef CONFIG_SYS_QE_FW_ADDR - /* Upload microcode to IRAM for those SOCs which do not have ROM in QE. - */ - qe_upload_firmware((const struct qe_firmware *) CONFIG_SYS_QE_FW_ADDR); +#ifdef CONFIG_SYS_QE_FMAN_FW_IN_NOR + /* + * Upload microcode to IRAM for those SOCs which do not have ROM in QE. + */ + qe_upload_firmware((const void *)CONFIG_SYS_QE_FW_ADDR); - /* enable the microcode in IRAM */ - out_be32(&qe_immr->iram.iready,QE_IRAM_READY); + /* enable the microcode in IRAM */ + out_be32(&qe_immr->iram.iready,QE_IRAM_READY); #endif - gd->mp_alloc_base = QE_DATAONLY_BASE; - gd->mp_alloc_top = gd->mp_alloc_base + QE_DATAONLY_SIZE; + gd->arch.mp_alloc_base = QE_DATAONLY_BASE; + gd->arch.mp_alloc_top = gd->arch.mp_alloc_base + QE_DATAONLY_SIZE; qe_sdma_init(); qe_snums_init(); } +#ifdef CONFIG_U_QE +void u_qe_init(void) +{ + uint qe_base = CONFIG_SYS_IMMR + 0x01400000; /* QE immr base */ + qe_immr = (qe_map_t *)qe_base; + + u_qe_upload_firmware((const void *)CONFIG_SYS_QE_FW_ADDR); + out_be32(&qe_immr->iram.iready, QE_IRAM_READY); +} +#endif + +#ifdef CONFIG_U_QE +void u_qe_resume(void) +{ + qe_map_t *qe_immrr; + uint qe_base = CONFIG_SYS_IMMR + QE_IMMR_OFFSET; /* QE immr base */ + qe_immrr = (qe_map_t *)qe_base; + + 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) { qe_issue_cmd(QE_RESET, QE_CR_SUBBLOCK_INVALID, @@ -207,8 +238,9 @@ void qe_assign_page(uint snum, uint para_ram_base) from CLKn pin, we have te change the function. */ -#define BRG_CLK (gd->brg_clk) +#define BRG_CLK (gd->arch.brg_clk) +#ifdef CONFIG_QE int qe_set_brg(uint brg, uint rate) { volatile uint *bp; @@ -236,6 +268,7 @@ int qe_set_brg(uint brg, uint rate) return 0; } +#endif /* Set ethernet MII clock master */ @@ -257,9 +290,6 @@ int qe_set_mii_clk_src(int ucc_num) return 0; } -/* The maximum number of RISCs we support */ -#define MAX_QE_RISC 2 - /* Firmware information stored here for qe_get_firmware_info() */ static struct qe_firmware_info qe_firmware_info; @@ -283,9 +313,10 @@ 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) | @@ -319,7 +350,13 @@ 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_LS102XA + 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; @@ -331,7 +368,10 @@ 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; } @@ -395,7 +435,7 @@ 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)); @@ -424,19 +464,216 @@ 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_LS102XA + 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; } -static int qe_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +static int qe_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { ulong addr; - if (argc < 3) { - cmd_usage(cmdtp); - return 1; - } + if (argc < 3) + return cmd_usage(cmdtp); if (strcmp(argv[1], "fw") == 0) { addr = simple_strtoul(argv[2], NULL, 16); @@ -464,13 +701,13 @@ static int qe_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return qe_upload_firmware((const struct qe_firmware *) addr); } - cmd_usage(cmdtp); - return 1; + return cmd_usage(cmdtp); } U_BOOT_CMD( qe, 4, 0, qe_cmd, "QUICC Engine commands", "fw [] - Upload firmware binary at address to " - "the QE,\n\twith optional length verification.\n" - ); + "the QE,\n" + "\twith optional length verification." +);