diff options
Diffstat (limited to 'drivers/block/fsl_sata.c')
| -rw-r--r-- | drivers/block/fsl_sata.c | 854 |
1 files changed, 0 insertions, 854 deletions
diff --git a/drivers/block/fsl_sata.c b/drivers/block/fsl_sata.c deleted file mode 100644 index 31f7fab8b4..0000000000 --- a/drivers/block/fsl_sata.c +++ /dev/null @@ -1,854 +0,0 @@ -/* - * Copyright (C) 2008,2010 Freescale Semiconductor, Inc. - * Dave Liu <daveliu@freescale.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <console.h> -#include <asm/io.h> -#include <asm/processor.h> -#include <asm/fsl_serdes.h> -#include <malloc.h> -#include <libata.h> -#include <fis.h> -#include <sata.h> -#include "fsl_sata.h" - -#ifndef CONFIG_SYS_SATA1_FLAGS - #define CONFIG_SYS_SATA1_FLAGS FLAGS_DMA -#endif -#ifndef CONFIG_SYS_SATA2_FLAGS - #define CONFIG_SYS_SATA2_FLAGS FLAGS_DMA -#endif - -static struct fsl_sata_info fsl_sata_info[] = { -#ifdef CONFIG_SATA1 - {CONFIG_SYS_SATA1, CONFIG_SYS_SATA1_FLAGS}, -#else - {0, 0}, -#endif -#ifdef CONFIG_SATA2 - {CONFIG_SYS_SATA2, CONFIG_SYS_SATA2_FLAGS}, -#else - {0, 0}, -#endif -}; - -static inline void sdelay(unsigned long sec) -{ - unsigned long i; - for (i = 0; i < sec; i++) - mdelay(1000); -} - -static void fsl_sata_dump_sfis(struct sata_fis_d2h *s) -{ - printf("Status FIS dump:\n\r"); - printf("fis_type: %02x\n\r", s->fis_type); - printf("pm_port_i: %02x\n\r", s->pm_port_i); - printf("status: %02x\n\r", s->status); - printf("error: %02x\n\r", s->error); - printf("lba_low: %02x\n\r", s->lba_low); - printf("lba_mid: %02x\n\r", s->lba_mid); - printf("lba_high: %02x\n\r", s->lba_high); - printf("device: %02x\n\r", s->device); - printf("lba_low_exp: %02x\n\r", s->lba_low_exp); - printf("lba_mid_exp: %02x\n\r", s->lba_mid_exp); - printf("lba_high_exp: %02x\n\r", s->lba_high_exp); - printf("res1: %02x\n\r", s->res1); - printf("sector_count: %02x\n\r", s->sector_count); - printf("sector_count_exp: %02x\n\r", s->sector_count_exp); -} - -static int ata_wait_register(unsigned __iomem *addr, u32 mask, - u32 val, u32 timeout_msec) -{ - int i; - u32 temp; - - for (i = 0; (((temp = in_le32(addr)) & mask) != val) - && i < timeout_msec; i++) - mdelay(1); - return (i < timeout_msec) ? 0 : -1; -} - -int init_sata(int dev) -{ - u32 length, align; - cmd_hdr_tbl_t *cmd_hdr; - u32 cda; - u32 val32; - fsl_sata_reg_t __iomem *reg; - u32 sig; - int i; - fsl_sata_t *sata; - - if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1)) { - printf("the sata index %d is out of ranges\n\r", dev); - return -1; - } - -#ifdef CONFIG_MPC85xx - if ((dev == 0) && (!is_serdes_configured(SATA1))) { - printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev); - return -1; - } - if ((dev == 1) && (!is_serdes_configured(SATA2))) { - printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev); - return -1; - } -#endif - - /* Allocate SATA device driver struct */ - sata = (fsl_sata_t *)malloc(sizeof(fsl_sata_t)); - if (!sata) { - printf("alloc the sata device struct failed\n\r"); - return -1; - } - /* Zero all of the device driver struct */ - memset((void *)sata, 0, sizeof(fsl_sata_t)); - - /* Save the private struct to block device struct */ - sata_dev_desc[dev].priv = (void *)sata; - - snprintf(sata->name, 12, "SATA%d", dev); - - /* Set the controller register base address to device struct */ - reg = (fsl_sata_reg_t *)(fsl_sata_info[dev].sata_reg_base); - sata->reg_base = reg; - - /* Allocate the command header table, 4 bytes aligned */ - length = sizeof(struct cmd_hdr_tbl); - align = SATA_HC_CMD_HDR_TBL_ALIGN; - sata->cmd_hdr_tbl_offset = (void *)malloc(length + align); - if (!sata->cmd_hdr_tbl_offset) { - printf("alloc the command header failed\n\r"); - return -1; - } - - cmd_hdr = (cmd_hdr_tbl_t *)(((u32)sata->cmd_hdr_tbl_offset + align) - & ~(align - 1)); - sata->cmd_hdr = cmd_hdr; - - /* Zero all of the command header table */ - memset((void *)sata->cmd_hdr_tbl_offset, 0, length + align); - - /* Allocate command descriptor for all command */ - length = sizeof(struct cmd_desc) * SATA_HC_MAX_CMD; - align = SATA_HC_CMD_DESC_ALIGN; - sata->cmd_desc_offset = (void *)malloc(length + align); - if (!sata->cmd_desc_offset) { - printf("alloc the command descriptor failed\n\r"); - return -1; - } - sata->cmd_desc = (cmd_desc_t *)(((u32)sata->cmd_desc_offset + align) - & ~(align - 1)); - /* Zero all of command descriptor */ - memset((void *)sata->cmd_desc_offset, 0, length + align); - - /* Link the command descriptor to command header */ - for (i = 0; i < SATA_HC_MAX_CMD; i++) { - cda = ((u32)sata->cmd_desc + SATA_HC_CMD_DESC_SIZE * i) - & ~(CMD_HDR_CDA_ALIGN - 1); - cmd_hdr->cmd_slot[i].cda = cpu_to_le32(cda); - } - - /* To have safe state, force the controller offline */ - val32 = in_le32(®->hcontrol); - val32 &= ~HCONTROL_ONOFF; - val32 |= HCONTROL_FORCE_OFFLINE; - out_le32(®->hcontrol, val32); - - /* Wait the controller offline */ - ata_wait_register(®->hstatus, HSTATUS_ONOFF, 0, 1000); - - /* Set the command header base address to CHBA register to tell DMA */ - out_le32(®->chba, (u32)cmd_hdr & ~0x3); - - /* Snoop for the command header */ - val32 = in_le32(®->hcontrol); - val32 |= HCONTROL_HDR_SNOOP; - out_le32(®->hcontrol, val32); - - /* Disable all of interrupts */ - val32 = in_le32(®->hcontrol); - val32 &= ~HCONTROL_INT_EN_ALL; - out_le32(®->hcontrol, val32); - - /* Clear all of interrupts */ - val32 = in_le32(®->hstatus); - out_le32(®->hstatus, val32); - - /* Set the ICC, no interrupt coalescing */ - out_le32(®->icc, 0x01000000); - - /* No PM attatched, the SATA device direct connect */ - out_le32(®->cqpmp, 0); - - /* Clear SError register */ - val32 = in_le32(®->serror); - out_le32(®->serror, val32); - - /* Clear CER register */ - val32 = in_le32(®->cer); - out_le32(®->cer, val32); - - /* Clear DER register */ - val32 = in_le32(®->der); - out_le32(®->der, val32); - - /* No device detection or initialization action requested */ - out_le32(®->scontrol, 0x00000300); - - /* Configure the transport layer, default value */ - out_le32(®->transcfg, 0x08000016); - - /* Configure the link layer, default value */ - out_le32(®->linkcfg, 0x0000ff34); - - /* Bring the controller online */ - val32 = in_le32(®->hcontrol); - val32 |= HCONTROL_ONOFF; - out_le32(®->hcontrol, val32); - - mdelay(100); - - /* print sata device name */ - if (!dev) - printf("%s ", sata->name); - else - printf(" %s ", sata->name); - - /* Wait PHY RDY signal changed for 500ms */ - ata_wait_register(®->hstatus, HSTATUS_PHY_RDY, - HSTATUS_PHY_RDY, 500); - - /* Check PHYRDY */ - val32 = in_le32(®->hstatus); - if (val32 & HSTATUS_PHY_RDY) { - sata->link = 1; - } else { - sata->link = 0; - printf("(No RDY)\n\r"); - return -1; - } - - /* Wait for signature updated, which is 1st D2H */ - ata_wait_register(®->hstatus, HSTATUS_SIGNATURE, - HSTATUS_SIGNATURE, 10000); - - if (val32 & HSTATUS_SIGNATURE) { - sig = in_le32(®->sig); - debug("Signature updated, the sig =%08x\n\r", sig); - sata->ata_device_type = ata_dev_classify(sig); - } - - /* Check the speed */ - val32 = in_le32(®->sstatus); - if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN1) - printf("(1.5 Gbps)\n\r"); - else if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN2) - printf("(3 Gbps)\n\r"); - - return 0; -} - -int reset_sata(int dev) -{ - return 0; -} - -static void fsl_sata_dump_regs(fsl_sata_reg_t __iomem *reg) -{ - printf("\n\rSATA: %08x\n\r", (u32)reg); - printf("CQR: %08x\n\r", in_le32(®->cqr)); - printf("CAR: %08x\n\r", in_le32(®->car)); - printf("CCR: %08x\n\r", in_le32(®->ccr)); - printf("CER: %08x\n\r", in_le32(®->cer)); - printf("CQR: %08x\n\r", in_le32(®->cqr)); - printf("DER: %08x\n\r", in_le32(®->der)); - printf("CHBA: %08x\n\r", in_le32(®->chba)); - printf("HStatus: %08x\n\r", in_le32(®->hstatus)); - printf("HControl: %08x\n\r", in_le32(®->hcontrol)); - printf("CQPMP: %08x\n\r", in_le32(®->cqpmp)); - printf("SIG: %08x\n\r", in_le32(®->sig)); - printf("ICC: %08x\n\r", in_le32(®->icc)); - printf("SStatus: %08x\n\r", in_le32(®->sstatus)); - printf("SError: %08x\n\r", in_le32(®->serror)); - printf("SControl: %08x\n\r", in_le32(®->scontrol)); - printf("SNotification: %08x\n\r", in_le32(®->snotification)); - printf("TransCfg: %08x\n\r", in_le32(®->transcfg)); - printf("TransStatus: %08x\n\r", in_le32(®->transstatus)); - printf("LinkCfg: %08x\n\r", in_le32(®->linkcfg)); - printf("LinkCfg1: %08x\n\r", in_le32(®->linkcfg1)); - printf("LinkCfg2: %08x\n\r", in_le32(®->linkcfg2)); - printf("LinkStatus: %08x\n\r", in_le32(®->linkstatus)); - printf("LinkStatus1: %08x\n\r", in_le32(®->linkstatus1)); - printf("PhyCtrlCfg: %08x\n\r", in_le32(®->phyctrlcfg)); - printf("SYSPR: %08x\n\r", in_be32(®->syspr)); -} - -static int fsl_ata_exec_ata_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis, - int is_ncq, int tag, u8 *buffer, u32 len) -{ - cmd_hdr_entry_t *cmd_hdr; - cmd_desc_t *cmd_desc; - sata_fis_h2d_t *h2d; - prd_entry_t *prde; - u32 ext_c_ddc; - u32 prde_count; - u32 val32; - u32 ttl; - fsl_sata_reg_t __iomem *reg = sata->reg_base; - int i; - - /* Check xfer length */ - if (len > SATA_HC_MAX_XFER_LEN) { - printf("max transfer length is 64MB\n\r"); - return 0; - } - - /* Setup the command descriptor */ - cmd_desc = sata->cmd_desc + tag; - - /* Get the pointer cfis of command descriptor */ - h2d = (sata_fis_h2d_t *)cmd_desc->cfis; - - /* Zero the cfis of command descriptor */ - memset((void *)h2d, 0, SATA_HC_CMD_DESC_CFIS_SIZE); - - /* Copy the cfis from user to command descriptor */ - h2d->fis_type = cfis->fis_type; - h2d->pm_port_c = cfis->pm_port_c; - h2d->command = cfis->command; - - h2d->features = cfis->features; - h2d->features_exp = cfis->features_exp; - - h2d->lba_low = cfis->lba_low; - h2d->lba_mid = cfis->lba_mid; - h2d->lba_high = cfis->lba_high; - h2d->lba_low_exp = cfis->lba_low_exp; - h2d->lba_mid_exp = cfis->lba_mid_exp; - h2d->lba_high_exp = cfis->lba_high_exp; - - if (!is_ncq) { - h2d->sector_count = cfis->sector_count; - h2d->sector_count_exp = cfis->sector_count_exp; - } else { /* NCQ */ - h2d->sector_count = (u8)(tag << 3); - } - - h2d->device = cfis->device; - h2d->control = cfis->control; - - /* Setup the PRD table */ - prde = (prd_entry_t *)cmd_desc->prdt; - memset((void *)prde, 0, sizeof(struct prdt)); - - prde_count = 0; - ttl = len; - for (i = 0; i < SATA_HC_MAX_PRD_DIRECT; i++) { - if (!len) - break; - prde->dba = cpu_to_le32((u32)buffer & ~0x3); - debug("dba = %08x\n\r", (u32)buffer); - - if (len < PRD_ENTRY_MAX_XFER_SZ) { - ext_c_ddc = PRD_ENTRY_DATA_SNOOP | len; - debug("ext_c_ddc1 = %08x, len = %08x\n\r", ext_c_ddc, len); - prde->ext_c_ddc = cpu_to_le32(ext_c_ddc); - prde_count++; - prde++; - break; - } else { - ext_c_ddc = PRD_ENTRY_DATA_SNOOP; /* 4M bytes */ - debug("ext_c_ddc2 = %08x, len = %08x\n\r", ext_c_ddc, len); - prde->ext_c_ddc = cpu_to_le32(ext_c_ddc); - buffer += PRD_ENTRY_MAX_XFER_SZ; - len -= PRD_ENTRY_MAX_XFER_SZ; - prde_count++; - prde++; - } - } - - /* Setup the command slot of cmd hdr */ - cmd_hdr = (cmd_hdr_entry_t *)&sata->cmd_hdr->cmd_slot[tag]; - - cmd_hdr->cda = cpu_to_le32((u32)cmd_desc & ~0x3); - - val32 = prde_count << CMD_HDR_PRD_ENTRY_SHIFT; - val32 |= sizeof(sata_fis_h2d_t); - cmd_hdr->prde_fis_len = cpu_to_le32(val32); - - cmd_hdr->ttl = cpu_to_le32(ttl); - - if (!is_ncq) { - val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP; - } else { - val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP | CMD_HDR_ATTR_FPDMA; - } - - tag &= CMD_HDR_ATTR_TAG; - val32 |= tag; - - debug("attribute = %08x\n\r", val32); - cmd_hdr->attribute = cpu_to_le32(val32); - - /* Make sure cmd desc and cmd slot valid before command issue */ - sync(); - - /* PMP*/ - val32 = (u32)(h2d->pm_port_c & 0x0f); - out_le32(®->cqpmp, val32); - - /* Wait no active */ - if (ata_wait_register(®->car, (1 << tag), 0, 10000)) - printf("Wait no active time out\n\r"); - - /* Issue command */ - if (!(in_le32(®->cqr) & (1 << tag))) { - val32 = 1 << tag; - out_le32(®->cqr, val32); - } - - /* Wait command completed for 10s */ - if (ata_wait_register(®->ccr, (1 << tag), (1 << tag), 10000)) { - if (!is_ncq) - printf("Non-NCQ command time out\n\r"); - else - printf("NCQ command time out\n\r"); - } - - val32 = in_le32(®->cer); - - if (val32) { - u32 der; - fsl_sata_dump_sfis((struct sata_fis_d2h *)cmd_desc->sfis); - printf("CE at device\n\r"); - fsl_sata_dump_regs(reg); - der = in_le32(®->der); - out_le32(®->cer, val32); - out_le32(®->der, der); - } - - /* Clear complete flags */ - val32 = in_le32(®->ccr); - out_le32(®->ccr, val32); - - return len; -} - -static int fsl_ata_exec_reset_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis, - int tag, u8 *buffer, u32 len) -{ - return 0; -} - -static int fsl_sata_exec_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis, - enum cmd_type command_type, int tag, u8 *buffer, u32 len) -{ - int rc; - - if (tag > SATA_HC_MAX_CMD || tag < 0) { - printf("tag is out of range, tag=%d\n\r", tag); - return -1; - } - - switch (command_type) { - case CMD_ATA: - rc = fsl_ata_exec_ata_cmd(sata, cfis, 0, tag, buffer, len); - return rc; - case CMD_RESET: - rc = fsl_ata_exec_reset_cmd(sata, cfis, tag, buffer, len); - return rc; - case CMD_NCQ: - rc = fsl_ata_exec_ata_cmd(sata, cfis, 1, tag, buffer, len); - return rc; - case CMD_ATAPI: - case CMD_VENDOR_BIST: - case CMD_BIST: - printf("not support now\n\r"); - return -1; - default: - break; - } - - return -1; -} - -static void fsl_sata_identify(int dev, u16 *id) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; - - memset(cfis, 0, sizeof(struct sata_fis_h2d)); - - cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; - cfis->pm_port_c = 0x80; /* is command */ - cfis->command = ATA_CMD_ID_ATA; - - fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2); - ata_swap_buf_le16(id, ATA_ID_WORDS); -} - -static void fsl_sata_xfer_mode(int dev, u16 *id) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - - sata->pio = id[ATA_ID_PIO_MODES]; - sata->mwdma = id[ATA_ID_MWDMA_MODES]; - sata->udma = id[ATA_ID_UDMA_MODES]; - debug("pio %04x, mwdma %04x, udma %04x\n\r", sata->pio, sata->mwdma, sata->udma); -} - -static void fsl_sata_set_features(int dev) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; - u8 udma_cap; - - memset(cfis, 0, sizeof(struct sata_fis_h2d)); - - cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; - cfis->pm_port_c = 0x80; /* is command */ - cfis->command = ATA_CMD_SET_FEATURES; - cfis->features = SETFEATURES_XFER; - - /* First check the device capablity */ - udma_cap = (u8)(sata->udma & 0xff); - debug("udma_cap %02x\n\r", udma_cap); - - if (udma_cap == ATA_UDMA6) - cfis->sector_count = XFER_UDMA_6; - if (udma_cap == ATA_UDMA5) - cfis->sector_count = XFER_UDMA_5; - if (udma_cap == ATA_UDMA4) - cfis->sector_count = XFER_UDMA_4; - if (udma_cap == ATA_UDMA3) - cfis->sector_count = XFER_UDMA_3; - - fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0); -} - -static u32 fsl_sata_rw_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; - u32 block; - - block = start; - - memset(cfis, 0, sizeof(struct sata_fis_h2d)); - - cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; - cfis->pm_port_c = 0x80; /* is command */ - cfis->command = (is_write) ? ATA_CMD_WRITE : ATA_CMD_READ; - cfis->device = ATA_LBA; - - cfis->device |= (block >> 24) & 0xf; - cfis->lba_high = (block >> 16) & 0xff; - cfis->lba_mid = (block >> 8) & 0xff; - cfis->lba_low = block & 0xff; - cfis->sector_count = (u8)(blkcnt & 0xff); - - fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt); - return blkcnt; -} - -static void fsl_sata_flush_cache(int dev) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; - - memset(cfis, 0, sizeof(struct sata_fis_h2d)); - - cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; - cfis->pm_port_c = 0x80; /* is command */ - cfis->command = ATA_CMD_FLUSH; - - fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0); -} - -static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; - u64 block; - - block = (u64)start; - - memset(cfis, 0, sizeof(struct sata_fis_h2d)); - - cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; - cfis->pm_port_c = 0x80; /* is command */ - - cfis->command = (is_write) ? ATA_CMD_WRITE_EXT - : ATA_CMD_READ_EXT; - - cfis->lba_high_exp = (block >> 40) & 0xff; - cfis->lba_mid_exp = (block >> 32) & 0xff; - cfis->lba_low_exp = (block >> 24) & 0xff; - cfis->lba_high = (block >> 16) & 0xff; - cfis->lba_mid = (block >> 8) & 0xff; - cfis->lba_low = block & 0xff; - cfis->device = ATA_LBA; - cfis->sector_count_exp = (blkcnt >> 8) & 0xff; - cfis->sector_count = blkcnt & 0xff; - - fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt); - return blkcnt; -} - -static u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, - int is_write) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; - int ncq_channel; - u64 block; - - if (sata->lba48 != 1) { - printf("execute FPDMA command on non-LBA48 hard disk\n\r"); - return -1; - } - - block = (u64)start; - - memset(cfis, 0, sizeof(struct sata_fis_h2d)); - - cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; - cfis->pm_port_c = 0x80; /* is command */ - - cfis->command = (is_write) ? ATA_CMD_FPDMA_WRITE - : ATA_CMD_FPDMA_READ; - - cfis->lba_high_exp = (block >> 40) & 0xff; - cfis->lba_mid_exp = (block >> 32) & 0xff; - cfis->lba_low_exp = (block >> 24) & 0xff; - cfis->lba_high = (block >> 16) & 0xff; - cfis->lba_mid = (block >> 8) & 0xff; - cfis->lba_low = block & 0xff; - - cfis->device = ATA_LBA; - cfis->features_exp = (blkcnt >> 8) & 0xff; - cfis->features = blkcnt & 0xff; - - if (sata->queue_depth >= SATA_HC_MAX_CMD) - ncq_channel = SATA_HC_MAX_CMD - 1; - else - ncq_channel = sata->queue_depth - 1; - - /* Use the latest queue */ - fsl_sata_exec_cmd(sata, cfis, CMD_NCQ, ncq_channel, buffer, ATA_SECT_SIZE * blkcnt); - return blkcnt; -} - -static void fsl_sata_flush_cache_ext(int dev) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - struct sata_fis_h2d h2d, *cfis = &h2d; - - memset(cfis, 0, sizeof(struct sata_fis_h2d)); - - cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; - cfis->pm_port_c = 0x80; /* is command */ - cfis->command = ATA_CMD_FLUSH_EXT; - - fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0); -} - -static void fsl_sata_init_wcache(int dev, u16 *id) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - - if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id)) - sata->wcache = 1; - if (ata_id_has_flush(id)) - sata->flush = 1; - if (ata_id_has_flush_ext(id)) - sata->flush_ext = 1; -} - -static int fsl_sata_get_wcache(int dev) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - return sata->wcache; -} - -static int fsl_sata_get_flush(int dev) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - return sata->flush; -} - -static int fsl_sata_get_flush_ext(int dev) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - return sata->flush_ext; -} - -static u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt, - const void *buffer, int is_write) -{ - u32 start, blks; - u8 *addr; - int max_blks; - - start = blknr; - blks = blkcnt; - addr = (u8 *)buffer; - - max_blks = ATA_MAX_SECTORS_LBA48; - do { - if (blks > max_blks) { - if (fsl_sata_info[dev].flags != FLAGS_FPDMA) - fsl_sata_rw_cmd_ext(dev, start, max_blks, addr, is_write); - else - fsl_sata_rw_ncq_cmd(dev, start, max_blks, addr, is_write); - start += max_blks; - blks -= max_blks; - addr += ATA_SECT_SIZE * max_blks; - } else { - if (fsl_sata_info[dev].flags != FLAGS_FPDMA) - fsl_sata_rw_cmd_ext(dev, start, blks, addr, is_write); - else - fsl_sata_rw_ncq_cmd(dev, start, blks, addr, is_write); - start += blks; - blks = 0; - addr += ATA_SECT_SIZE * blks; - } - } while (blks != 0); - - return blkcnt; -} - -static u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt, - const void *buffer, int is_write) -{ - u32 start, blks; - u8 *addr; - int max_blks; - - start = blknr; - blks = blkcnt; - addr = (u8 *)buffer; - - max_blks = ATA_MAX_SECTORS; - do { - if (blks > max_blks) { - fsl_sata_rw_cmd(dev, start, max_blks, addr, is_write); - start += max_blks; - blks -= max_blks; - addr += ATA_SECT_SIZE * max_blks; - } else { - fsl_sata_rw_cmd(dev, start, blks, addr, is_write); - start += blks; - blks = 0; - addr += ATA_SECT_SIZE * blks; - } - } while (blks != 0); - - return blkcnt; -} - -/* - * SATA interface between low level driver and command layer - */ -ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer) -{ - u32 rc; - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - - if (sata->lba48) - rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD); - else - rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD); - return rc; -} - -ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer) -{ - u32 rc; - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - - if (sata->lba48) { - rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD); - if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush_ext(dev)) - fsl_sata_flush_cache_ext(dev); - } else { - rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD); - if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush(dev)) - fsl_sata_flush_cache(dev); - } - return rc; -} - -int scan_sata(int dev) -{ - fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; - unsigned char serial[ATA_ID_SERNO_LEN + 1]; - unsigned char firmware[ATA_ID_FW_REV_LEN + 1]; - unsigned char product[ATA_ID_PROD_LEN + 1]; - u16 *id; - u64 n_sectors; - - /* if no detected link */ - if (!sata->link) - return -1; - - id = (u16 *)malloc(ATA_ID_WORDS * 2); - if (!id) { - printf("id malloc failed\n\r"); - return -1; - } - - /* Identify device to get information */ - fsl_sata_identify(dev, id); - - /* Serial number */ - ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial)); - memcpy(sata_dev_desc[dev].product, serial, sizeof(serial)); - - /* Firmware version */ - ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware)); - memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware)); - - /* Product model */ - ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product)); - memcpy(sata_dev_desc[dev].vendor, product, sizeof(product)); - - /* Totoal sectors */ - n_sectors = ata_id_n_sectors(id); - sata_dev_desc[dev].lba = (u32)n_sectors; - -#ifdef CONFIG_LBA48 - /* Check if support LBA48 */ - if (ata_id_has_lba48(id)) { - sata->lba48 = 1; - debug("Device support LBA48\n\r"); - } else - debug("Device supports LBA28\n\r"); -#endif - - /* Get the NCQ queue depth from device */ - sata->queue_depth = ata_id_queue_depth(id); - - /* Get the xfer mode from device */ - fsl_sata_xfer_mode(dev, id); - - /* Get the write cache status from device */ - fsl_sata_init_wcache(dev, id); - - /* Set the xfer mode to highest speed */ - fsl_sata_set_features(dev); -#ifdef DEBUG - fsl_sata_identify(dev, id); - ata_dump_id(id); -#endif - free((void *)id); - return 0; -} |