]> git.dujemihanovic.xyz Git - u-boot.git/commitdiff
SATA: add driver for MX5 / MX6 SOCs
authorStefano Babic <sbabic@denx.de>
Wed, 22 Feb 2012 00:24:39 +0000 (00:24 +0000)
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>
Tue, 15 May 2012 06:31:30 +0000 (08:31 +0200)
This driver is part of Freescale's LTIB for
MX5 / MX6.

Signed-off-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Terry Lv <r65388@freescale.com>
CC: Fabio Estevam <fabio.estevam@freescale.com>
CC: Dirk Behme <dirk.behme@de.bosch.com>
drivers/block/Makefile
drivers/block/dwc_ahsata.c [new file with mode: 0644]
drivers/block/dwc_ahsata.h [new file with mode: 0644]
include/ahci.h

index 98560ef76f36c198d1614f5c5f8ab90114fb2015..b9c20475c26e86ee34e77eec96073c585292df62 100644 (file)
@@ -27,6 +27,7 @@ LIB   := $(obj)libblock.o
 
 COBJS-$(CONFIG_SCSI_AHCI) += ahci.o
 COBJS-$(CONFIG_ATA_PIIX) += ata_piix.o
+COBJS-$(CONFIG_DWC_AHSATA) += dwc_ahsata.o
 COBJS-$(CONFIG_FSL_SATA) += fsl_sata.o
 COBJS-$(CONFIG_IDE_FTIDE020) += ftide020.o
 COBJS-$(CONFIG_LIBATA) += libata.o
diff --git a/drivers/block/dwc_ahsata.c b/drivers/block/dwc_ahsata.c
new file mode 100644 (file)
index 0000000..2703d3d
--- /dev/null
@@ -0,0 +1,969 @@
+/*
+ * Copyright (C) 2010-2011 Freescale Semiconductor, Inc.
+ * Terry Lv <r65388@freescale.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ */
+
+#include <libata.h>
+#include <ahci.h>
+#include <fis.h>
+
+#include <common.h>
+#include <malloc.h>
+#include <linux/ctype.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+#include <linux/bitops.h>
+#include <asm/arch/clock.h>
+#include "dwc_ahsata.h"
+
+struct sata_port_regs {
+       u32 clb;
+       u32 clbu;
+       u32 fb;
+       u32 fbu;
+       u32 is;
+       u32 ie;
+       u32 cmd;
+       u32 res1[1];
+       u32 tfd;
+       u32 sig;
+       u32 ssts;
+       u32 sctl;
+       u32 serr;
+       u32 sact;
+       u32 ci;
+       u32 sntf;
+       u32 res2[1];
+       u32 dmacr;
+       u32 res3[1];
+       u32 phycr;
+       u32 physr;
+};
+
+struct sata_host_regs {
+       u32 cap;
+       u32 ghc;
+       u32 is;
+       u32 pi;
+       u32 vs;
+       u32 ccc_ctl;
+       u32 ccc_ports;
+       u32 res1[2];
+       u32 cap2;
+       u32 res2[30];
+       u32 bistafr;
+       u32 bistcr;
+       u32 bistfctr;
+       u32 bistsr;
+       u32 bistdecr;
+       u32 res3[2];
+       u32 oobr;
+       u32 res4[8];
+       u32 timer1ms;
+       u32 res5[1];
+       u32 gparam1r;
+       u32 gparam2r;
+       u32 pparamr;
+       u32 testr;
+       u32 versionr;
+       u32 idr;
+};
+
+#define MAX_DATA_BYTES_PER_SG  (4 * 1024 * 1024)
+#define MAX_BYTES_PER_TRANS (AHCI_MAX_SG * MAX_DATA_BYTES_PER_SG)
+
+#define writel_with_flush(a, b)        do { writel(a, b); readl(b); } while (0)
+
+static int is_ready;
+
+static inline u32 ahci_port_base(u32 base, u32 port)
+{
+       return base + 0x100 + (port * 0x80);
+}
+
+static int waiting_for_cmd_completed(u8 *offset,
+                                       int timeout_msec,
+                                       u32 sign)
+{
+       int i;
+       u32 status;
+
+       for (i = 0;
+               ((status = readl(offset)) & sign) && i < timeout_msec;
+               ++i)
+               mdelay(1);
+
+       return (i < timeout_msec) ? 0 : -1;
+}
+
+static int ahci_setup_oobr(struct ahci_probe_ent *probe_ent,
+                                               int clk)
+{
+       struct sata_host_regs *host_mmio =
+               (struct sata_host_regs *)probe_ent->mmio_base;
+
+       writel(SATA_HOST_OOBR_WE, &(host_mmio->oobr));
+       writel(0x02060b14, &(host_mmio->oobr));
+
+       return 0;
+}
+
+static int ahci_host_init(struct ahci_probe_ent *probe_ent)
+{
+       u32 tmp, cap_save, num_ports;
+       int i, j, timeout = 1000;
+       struct sata_port_regs *port_mmio = NULL;
+       struct sata_host_regs *host_mmio =
+               (struct sata_host_regs *)probe_ent->mmio_base;
+       int clk = mxc_get_clock(MXC_SATA_CLK);
+
+       cap_save = readl(&(host_mmio->cap));
+       cap_save |= SATA_HOST_CAP_SSS;
+
+       /* global controller reset */
+       tmp = readl(&(host_mmio->ghc));
+       if ((tmp & SATA_HOST_GHC_HR) == 0)
+               writel_with_flush(tmp | SATA_HOST_GHC_HR, &(host_mmio->ghc));
+
+       while ((readl(&(host_mmio->ghc)) & SATA_HOST_GHC_HR)
+               && --timeout)
+               ;
+
+       if (timeout <= 0) {
+               debug("controller reset failed (0x%x)\n", tmp);
+               return -1;
+       }
+
+       /* Set timer 1ms */
+       writel(clk / 1000, &(host_mmio->timer1ms));
+
+       ahci_setup_oobr(probe_ent, 0);
+
+       writel_with_flush(SATA_HOST_GHC_AE, &(host_mmio->ghc));
+       writel(cap_save, &(host_mmio->cap));
+       num_ports = (cap_save & SATA_HOST_CAP_NP_MASK) + 1;
+       writel_with_flush((1 << num_ports) - 1,
+                               &(host_mmio->pi));
+
+       /*
+        * Determine which Ports are implemented by the DWC_ahsata,
+        * by reading the PI register. This bit map value aids the
+        * software to determine how many Ports are available and
+        * which Port registers need to be initialized.
+        */
+       probe_ent->cap = readl(&(host_mmio->cap));
+       probe_ent->port_map = readl(&(host_mmio->pi));
+
+       /* Determine how many command slots the HBA supports */
+       probe_ent->n_ports =
+               (probe_ent->cap & SATA_HOST_CAP_NP_MASK) + 1;
+
+       debug("cap 0x%x  port_map 0x%x  n_ports %d\n",
+               probe_ent->cap, probe_ent->port_map, probe_ent->n_ports);
+
+       for (i = 0; i < probe_ent->n_ports; i++) {
+               probe_ent->port[i].port_mmio =
+                       ahci_port_base((u32)host_mmio, i);
+               port_mmio =
+                       (struct sata_port_regs *)probe_ent->port[i].port_mmio;
+
+               /* Ensure that the DWC_ahsata is in idle state */
+               tmp = readl(&(port_mmio->cmd));
+
+               /*
+                * When P#CMD.ST, P#CMD.CR, P#CMD.FRE and P#CMD.FR
+                * are all cleared, the Port is in an idle state.
+                */
+               if (tmp & (SATA_PORT_CMD_CR | SATA_PORT_CMD_FR |
+                       SATA_PORT_CMD_FRE | SATA_PORT_CMD_ST)) {
+
+                       /*
+                        * System software places a Port into the idle state by
+                        * clearing P#CMD.ST and waiting for P#CMD.CR to return
+                        * 0 when read.
+                        */
+                       tmp &= ~SATA_PORT_CMD_ST;
+                       writel_with_flush(tmp, &(port_mmio->cmd));
+
+                       /*
+                        * spec says 500 msecs for each bit, so
+                        * this is slightly incorrect.
+                        */
+                       mdelay(500);
+
+                       timeout = 1000;
+                       while ((readl(&(port_mmio->cmd)) & SATA_PORT_CMD_CR)
+                               && --timeout)
+                               ;
+
+                       if (timeout <= 0) {
+                               debug("port reset failed (0x%x)\n", tmp);
+                               return -1;
+                       }
+               }
+
+               /* Spin-up device */
+               tmp = readl(&(port_mmio->cmd));
+               writel((tmp | SATA_PORT_CMD_SUD), &(port_mmio->cmd));
+
+               /* Wait for spin-up to finish */
+               timeout = 1000;
+               while (!(readl(&(port_mmio->cmd)) | SATA_PORT_CMD_SUD)
+                       && --timeout)
+                       ;
+               if (timeout <= 0) {
+                       debug("Spin-Up can't finish!\n");
+                       return -1;
+               }
+
+               for (j = 0; j < 100; ++j) {
+                       mdelay(10);
+                       tmp = readl(&(port_mmio->ssts));
+                       if (((tmp & SATA_PORT_SSTS_DET_MASK) == 0x3) ||
+                               ((tmp & SATA_PORT_SSTS_DET_MASK) == 0x1))
+                               break;
+               }
+
+               /* Wait for COMINIT bit 26 (DIAG_X) in SERR */
+               timeout = 1000;
+               while (!(readl(&(port_mmio->serr)) | SATA_PORT_SERR_DIAG_X)
+                       && --timeout)
+                       ;
+               if (timeout <= 0) {
+                       debug("Can't find DIAG_X set!\n");
+                       return -1;
+               }
+
+               /*
+                * For each implemented Port, clear the P#SERR
+                * register, by writing ones to each implemented\
+                * bit location.
+                */
+               tmp = readl(&(port_mmio->serr));
+               debug("P#SERR 0x%x\n",
+                               tmp);
+               writel(tmp, &(port_mmio->serr));
+
+               /* Ack any pending irq events for this port */
+               tmp = readl(&(host_mmio->is));
+               debug("IS 0x%x\n", tmp);
+               if (tmp)
+                       writel(tmp, &(host_mmio->is));
+
+               writel(1 << i, &(host_mmio->is));
+
+               /* set irq mask (enables interrupts) */
+               writel(DEF_PORT_IRQ, &(port_mmio->ie));
+
+               /* register linkup ports */
+               tmp = readl(&(port_mmio->ssts));
+               debug("Port %d status: 0x%x\n", i, tmp);
+               if ((tmp & SATA_PORT_SSTS_DET_MASK) == 0x03)
+                       probe_ent->link_port_map |= (0x01 << i);
+       }
+
+       tmp = readl(&(host_mmio->ghc));
+       debug("GHC 0x%x\n", tmp);
+       writel(tmp | SATA_HOST_GHC_IE, &(host_mmio->ghc));
+       tmp = readl(&(host_mmio->ghc));
+       debug("GHC 0x%x\n", tmp);
+
+       return 0;
+}
+
+static void ahci_print_info(struct ahci_probe_ent *probe_ent)
+{
+       struct sata_host_regs *host_mmio =
+               (struct sata_host_regs *)probe_ent->mmio_base;
+       u32 vers, cap, impl, speed;
+       const char *speed_s;
+       const char *scc_s;
+
+       vers = readl(&(host_mmio->vs));
+       cap = probe_ent->cap;
+       impl = probe_ent->port_map;
+
+       speed = (cap & SATA_HOST_CAP_ISS_MASK)
+               >> SATA_HOST_CAP_ISS_OFFSET;
+       if (speed == 1)
+               speed_s = "1.5";
+       else if (speed == 2)
+               speed_s = "3";
+       else
+               speed_s = "?";
+
+       scc_s = "SATA";
+
+       printf("AHCI %02x%02x.%02x%02x "
+               "%u slots %u ports %s Gbps 0x%x impl %s mode\n",
+               (vers >> 24) & 0xff,
+               (vers >> 16) & 0xff,
+               (vers >> 8) & 0xff,
+               vers & 0xff,
+               ((cap >> 8) & 0x1f) + 1,
+               (cap & 0x1f) + 1,
+               speed_s,
+               impl,
+               scc_s);
+
+       printf("flags: "
+               "%s%s%s%s%s%s"
+               "%s%s%s%s%s%s%s\n",
+               cap & (1 << 31) ? "64bit " : "",
+               cap & (1 << 30) ? "ncq " : "",
+               cap & (1 << 28) ? "ilck " : "",
+               cap & (1 << 27) ? "stag " : "",
+               cap & (1 << 26) ? "pm " : "",
+               cap & (1 << 25) ? "led " : "",
+               cap & (1 << 24) ? "clo " : "",
+               cap & (1 << 19) ? "nz " : "",
+               cap & (1 << 18) ? "only " : "",
+               cap & (1 << 17) ? "pmp " : "",
+               cap & (1 << 15) ? "pio " : "",
+               cap & (1 << 14) ? "slum " : "",
+               cap & (1 << 13) ? "part " : "");
+}
+
+static int ahci_init_one(int pdev)
+{
+       int rc;
+       struct ahci_probe_ent *probe_ent = NULL;
+
+       probe_ent = malloc(sizeof(struct ahci_probe_ent));
+       memset(probe_ent, 0, sizeof(struct ahci_probe_ent));
+       probe_ent->dev = pdev;
+
+       probe_ent->host_flags = ATA_FLAG_SATA
+                               | ATA_FLAG_NO_LEGACY
+                               | ATA_FLAG_MMIO
+                               | ATA_FLAG_PIO_DMA
+                               | ATA_FLAG_NO_ATAPI;
+
+       probe_ent->mmio_base = CONFIG_DWC_AHSATA_BASE_ADDR;
+
+       /* initialize adapter */
+       rc = ahci_host_init(probe_ent);
+       if (rc)
+               goto err_out;
+
+       ahci_print_info(probe_ent);
+
+       /* Save the private struct to block device struct */
+       sata_dev_desc[pdev].priv = (void *)probe_ent;
+
+       return 0;
+
+err_out:
+       return rc;
+}
+
+static int ahci_fill_sg(struct ahci_probe_ent *probe_ent,
+                       u8 port, unsigned char *buf, int buf_len)
+{
+       struct ahci_ioports *pp = &(probe_ent->port[port]);
+       struct ahci_sg *ahci_sg = pp->cmd_tbl_sg;
+       u32 sg_count, max_bytes;
+       int i;
+
+       max_bytes = MAX_DATA_BYTES_PER_SG;
+       sg_count = ((buf_len - 1) / max_bytes) + 1;
+       if (sg_count > AHCI_MAX_SG) {
+               printf("Error:Too much sg!\n");
+               return -1;
+       }
+
+       for (i = 0; i < sg_count; i++) {
+               ahci_sg->addr =
+                       cpu_to_le32((u32)buf + i * max_bytes);
+               ahci_sg->addr_hi = 0;
+               ahci_sg->flags_size = cpu_to_le32(0x3fffff &
+                                       (buf_len < max_bytes
+                                       ? (buf_len - 1)
+                                       : (max_bytes - 1)));
+               ahci_sg++;
+               buf_len -= max_bytes;
+       }
+
+       return sg_count;
+}
+
+static void ahci_fill_cmd_slot(struct ahci_ioports *pp, u32 cmd_slot, u32 opts)
+{
+       struct ahci_cmd_hdr *cmd_hdr = (struct ahci_cmd_hdr *)(pp->cmd_slot +
+                                       AHCI_CMD_SLOT_SZ * cmd_slot);
+
+       memset(cmd_hdr, 0, AHCI_CMD_SLOT_SZ);
+       cmd_hdr->opts = cpu_to_le32(opts);
+       cmd_hdr->status = 0;
+       cmd_hdr->tbl_addr = cpu_to_le32(pp->cmd_tbl & 0xffffffff);
+       cmd_hdr->tbl_addr_hi = 0;
+}
+
+#define AHCI_GET_CMD_SLOT(c) ((c) ? ffs(c) : 0)
+
+static int ahci_exec_ata_cmd(struct ahci_probe_ent *probe_ent,
+               u8 port, struct sata_fis_h2d *cfis,
+               u8 *buf, u32 buf_len, s32 is_write)
+{
+       struct ahci_ioports *pp = &(probe_ent->port[port]);
+       struct sata_port_regs *port_mmio =
+                       (struct sata_port_regs *)pp->port_mmio;
+       u32 opts;
+       int sg_count = 0, cmd_slot = 0;
+
+       cmd_slot = AHCI_GET_CMD_SLOT(readl(&(port_mmio->ci)));
+       if (32 == cmd_slot) {
+               printf("Can't find empty command slot!\n");
+               return 0;
+       }
+
+       /* Check xfer length */
+       if (buf_len > MAX_BYTES_PER_TRANS) {
+               printf("Max transfer length is %dB\n\r",
+                       MAX_BYTES_PER_TRANS);
+               return 0;
+       }
+
+       memcpy((u8 *)(pp->cmd_tbl), cfis, sizeof(struct sata_fis_h2d));
+       if (buf && buf_len)
+               sg_count = ahci_fill_sg(probe_ent, port, buf, buf_len);
+       opts = (sizeof(struct sata_fis_h2d) >> 2) | (sg_count << 16);
+       if (is_write)
+               opts |= 0x40;
+       ahci_fill_cmd_slot(pp, cmd_slot, opts);
+
+       writel_with_flush(1 << cmd_slot, &(port_mmio->ci));
+
+       if (waiting_for_cmd_completed((u8 *)&(port_mmio->ci),
+                               10000, 0x1 << cmd_slot)) {
+               printf("timeout exit!\n");
+               return -1;
+       }
+       debug("ahci_exec_ata_cmd: %d byte transferred.\n",
+             pp->cmd_slot->status);
+
+       return buf_len;
+}
+
+static void ahci_set_feature(u8 dev, u8 port)
+{
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)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 = 1 << 7;
+       cfis->command = ATA_CMD_SET_FEATURES;
+       cfis->features = SETFEATURES_XFER;
+       cfis->sector_count = ffs(probe_ent->udma_mask + 1) + 0x3e;
+
+       ahci_exec_ata_cmd(probe_ent, port, cfis, NULL, 0, READ_CMD);
+}
+
+static int ahci_port_start(struct ahci_probe_ent *probe_ent,
+                                       u8 port)
+{
+       struct ahci_ioports *pp = &(probe_ent->port[port]);
+       struct sata_port_regs *port_mmio =
+               (struct sata_port_regs *)pp->port_mmio;
+       u32 port_status;
+       u32 mem;
+       int timeout = 10000000;
+
+       debug("Enter start port: %d\n", port);
+       port_status = readl(&(port_mmio->ssts));
+       debug("Port %d status: %x\n", port, port_status);
+       if ((port_status & 0xf) != 0x03) {
+               printf("No Link on this port!\n");
+               return -1;
+       }
+
+       mem = (u32)malloc(AHCI_PORT_PRIV_DMA_SZ + 1024);
+       if (!mem) {
+               free(pp);
+               printf("No mem for table!\n");
+               return -ENOMEM;
+       }
+
+       mem = (mem + 0x400) & (~0x3ff); /* Aligned to 1024-bytes */
+       memset((u8 *)mem, 0, AHCI_PORT_PRIV_DMA_SZ);
+
+       /*
+        * First item in chunk of DMA memory: 32-slot command table,
+        * 32 bytes each in size
+        */
+       pp->cmd_slot = (struct ahci_cmd_hdr *)mem;
+       debug("cmd_slot = 0x%x\n", (unsigned int) pp->cmd_slot);
+       mem += (AHCI_CMD_SLOT_SZ * DWC_AHSATA_MAX_CMD_SLOTS);
+
+       /*
+        * Second item: Received-FIS area, 256-Byte aligned
+        */
+       pp->rx_fis = mem;
+       mem += AHCI_RX_FIS_SZ;
+
+       /*
+        * Third item: data area for storing a single command
+        * and its scatter-gather table
+        */
+       pp->cmd_tbl = mem;
+       debug("cmd_tbl_dma = 0x%x\n", pp->cmd_tbl);
+
+       mem += AHCI_CMD_TBL_HDR;
+
+       writel_with_flush(0x00004444, &(port_mmio->dmacr));
+       pp->cmd_tbl_sg = (struct ahci_sg *)mem;
+       writel_with_flush((u32)pp->cmd_slot, &(port_mmio->clb));
+       writel_with_flush(pp->rx_fis, &(port_mmio->fb));
+
+       /* Enable FRE */
+       writel_with_flush((SATA_PORT_CMD_FRE | readl(&(port_mmio->cmd))),
+                       &(port_mmio->cmd));
+
+       /* Wait device ready */
+       while ((readl(&(port_mmio->tfd)) & (SATA_PORT_TFD_STS_ERR |
+               SATA_PORT_TFD_STS_DRQ | SATA_PORT_TFD_STS_BSY))
+               && --timeout)
+               ;
+       if (timeout <= 0) {
+               debug("Device not ready for BSY, DRQ and"
+                       "ERR in TFD!\n");
+               return -1;
+       }
+
+       writel_with_flush(PORT_CMD_ICC_ACTIVE | PORT_CMD_FIS_RX |
+                         PORT_CMD_POWER_ON | PORT_CMD_SPIN_UP |
+                         PORT_CMD_START, &(port_mmio->cmd));
+
+       debug("Exit start port %d\n", port);
+
+       return 0;
+}
+
+int init_sata(int dev)
+{
+       int i;
+       u32 linkmap;
+       struct ahci_probe_ent *probe_ent = NULL;
+
+       if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1)) {
+               printf("The sata index %d is out of ranges\n\r", dev);
+               return -1;
+       }
+
+       ahci_init_one(dev);
+
+       probe_ent = (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+       linkmap = probe_ent->link_port_map;
+
+       if (0 == linkmap) {
+               printf("No port device detected!\n");
+               return 1;
+       }
+
+       for (i = 0; i < probe_ent->n_ports; i++) {
+               if ((linkmap >> i) && ((linkmap >> i) & 0x01)) {
+                       if (ahci_port_start(probe_ent, (u8)i)) {
+                               printf("Can not start port %d\n", i);
+                               return 1;
+                       }
+                       probe_ent->hard_port_no = i;
+                       break;
+               }
+       }
+
+       return 0;
+}
+
+static void dwc_ahsata_print_info(int dev)
+{
+       block_dev_desc_t *pdev = &(sata_dev_desc[dev]);
+
+       printf("SATA Device Info:\n\r");
+#ifdef CONFIG_SYS_64BIT_LBA
+       printf("S/N: %s\n\rProduct model number: %s\n\r"
+               "Firmware version: %s\n\rCapacity: %lld sectors\n\r",
+               pdev->product, pdev->vendor, pdev->revision, pdev->lba);
+#else
+       printf("S/N: %s\n\rProduct model number: %s\n\r"
+               "Firmware version: %s\n\rCapacity: %ld sectors\n\r",
+               pdev->product, pdev->vendor, pdev->revision, pdev->lba);
+#endif
+}
+
+static void dwc_ahsata_identify(int dev, u16 *id)
+{
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+       struct sata_fis_h2d h2d, *cfis = &h2d;
+       u8 port = probe_ent->hard_port_no;
+
+       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;
+
+       ahci_exec_ata_cmd(probe_ent, port, cfis,
+                       (u8 *)id, ATA_ID_WORDS * 2, READ_CMD);
+       ata_swap_buf_le16(id, ATA_ID_WORDS);
+}
+
+static void dwc_ahsata_xfer_mode(int dev, u16 *id)
+{
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+
+       probe_ent->pio_mask = id[ATA_ID_PIO_MODES];
+       probe_ent->udma_mask = id[ATA_ID_UDMA_MODES];
+       debug("pio %04x, udma %04x\n\r",
+               probe_ent->pio_mask, probe_ent->udma_mask);
+}
+
+static u32 dwc_ahsata_rw_cmd(int dev, u32 start, u32 blkcnt,
+                               u8 *buffer, int is_write)
+{
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+       struct sata_fis_h2d h2d, *cfis = &h2d;
+       u8 port = probe_ent->hard_port_no;
+       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);
+
+       if (ahci_exec_ata_cmd(probe_ent, port, cfis,
+                       buffer, ATA_SECT_SIZE * blkcnt, is_write) > 0)
+               return blkcnt;
+       else
+               return 0;
+}
+
+void dwc_ahsata_flush_cache(int dev)
+{
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+       struct sata_fis_h2d h2d, *cfis = &h2d;
+       u8 port = probe_ent->hard_port_no;
+
+       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;
+
+       ahci_exec_ata_cmd(probe_ent, port, cfis, NULL, 0, 0);
+}
+
+static u32 dwc_ahsata_rw_cmd_ext(int dev, u32 start, lbaint_t blkcnt,
+                               u8 *buffer, int is_write)
+{
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+       struct sata_fis_h2d h2d, *cfis = &h2d;
+       u8 port = probe_ent->hard_port_no;
+       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;
+
+       if (ahci_exec_ata_cmd(probe_ent, port, cfis, buffer,
+                       ATA_SECT_SIZE * blkcnt, is_write) > 0)
+               return blkcnt;
+       else
+               return 0;
+}
+
+u32 dwc_ahsata_rw_ncq_cmd(int dev, u32 start, lbaint_t blkcnt,
+                               u8 *buffer, int is_write)
+{
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+       struct sata_fis_h2d h2d, *cfis = &h2d;
+       u8 port = probe_ent->hard_port_no;
+       u64 block;
+
+       if (sata_dev_desc[dev].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;
+
+       /* Use the latest queue */
+       ahci_exec_ata_cmd(probe_ent, port, cfis,
+                       buffer, ATA_SECT_SIZE * blkcnt, is_write);
+
+       return blkcnt;
+}
+
+void dwc_ahsata_flush_cache_ext(int dev)
+{
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+       struct sata_fis_h2d h2d, *cfis = &h2d;
+       u8 port = probe_ent->hard_port_no;
+
+       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;
+
+       ahci_exec_ata_cmd(probe_ent, port, cfis, NULL, 0, 0);
+}
+
+static void dwc_ahsata_init_wcache(int dev, u16 *id)
+{
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+
+       if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id))
+               probe_ent->flags |= SATA_FLAG_WCACHE;
+       if (ata_id_has_flush(id))
+               probe_ent->flags |= SATA_FLAG_FLUSH;
+       if (ata_id_has_flush_ext(id))
+               probe_ent->flags |= SATA_FLAG_FLUSH_EXT;
+}
+
+u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt,
+                               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 (max_blks != dwc_ahsata_rw_cmd_ext(dev, start,
+                                               max_blks, addr, is_write))
+                               return 0;
+                       start += max_blks;
+                       blks -= max_blks;
+                       addr += ATA_SECT_SIZE * max_blks;
+               } else {
+                       if (blks != dwc_ahsata_rw_cmd_ext(dev, start,
+                                               blks, addr, is_write))
+                               return 0;
+                       start += blks;
+                       blks = 0;
+                       addr += ATA_SECT_SIZE * blks;
+               }
+       } while (blks != 0);
+
+       return blkcnt;
+}
+
+u32 ata_low_level_rw_lba28(int dev, u32 blknr, lbaint_t blkcnt,
+                               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) {
+                       if (max_blks != dwc_ahsata_rw_cmd(dev, start,
+                                               max_blks, addr, is_write))
+                               return 0;
+                       start += max_blks;
+                       blks -= max_blks;
+                       addr += ATA_SECT_SIZE * max_blks;
+               } else {
+                       if (blks != dwc_ahsata_rw_cmd(dev, start,
+                                               blks, addr, is_write))
+                               return 0;
+                       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, unsigned long blknr, lbaint_t blkcnt, void *buffer)
+{
+       u32 rc;
+
+       if (sata_dev_desc[dev].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, unsigned long blknr, lbaint_t blkcnt, void *buffer)
+{
+       u32 rc;
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+       u32 flags = probe_ent->flags;
+
+       if (sata_dev_desc[dev].lba48) {
+               rc = ata_low_level_rw_lba48(dev, blknr, blkcnt,
+                                               buffer, WRITE_CMD);
+               if ((flags & SATA_FLAG_WCACHE) &&
+                       (flags & SATA_FLAG_FLUSH_EXT))
+                       dwc_ahsata_flush_cache_ext(dev);
+       } else {
+               rc = ata_low_level_rw_lba28(dev, blknr, blkcnt,
+                                               buffer, WRITE_CMD);
+               if ((flags & SATA_FLAG_WCACHE) &&
+                       (flags & SATA_FLAG_FLUSH))
+                       dwc_ahsata_flush_cache(dev);
+       }
+       return rc;
+}
+
+int scan_sata(int dev)
+{
+       u8 serial[ATA_ID_SERNO_LEN + 1] = { 0 };
+       u8 firmware[ATA_ID_FW_REV_LEN + 1] = { 0 };
+       u8 product[ATA_ID_PROD_LEN + 1] = { 0 };
+       u16 *id;
+       u64 n_sectors;
+       struct ahci_probe_ent *probe_ent =
+               (struct ahci_probe_ent *)sata_dev_desc[dev].priv;
+       u8 port = probe_ent->hard_port_no;
+       block_dev_desc_t *pdev = &(sata_dev_desc[dev]);
+
+       id = (u16 *)malloc(ATA_ID_WORDS * 2);
+       if (!id) {
+               printf("id malloc failed\n\r");
+               return -1;
+       }
+
+       /* Identify device to get information */
+       dwc_ahsata_identify(dev, id);
+
+       /* Serial number */
+       ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
+       memcpy(pdev->product, serial, sizeof(serial));
+
+       /* Firmware version */
+       ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
+       memcpy(pdev->revision, firmware, sizeof(firmware));
+
+       /* Product model */
+       ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
+       memcpy(pdev->vendor, product, sizeof(product));
+
+       /* Totoal sectors */
+       n_sectors = ata_id_n_sectors(id);
+       pdev->lba = (u32)n_sectors;
+
+       pdev->type = DEV_TYPE_HARDDISK;
+       pdev->blksz = ATA_SECT_SIZE;
+       pdev->lun = 0 ;
+
+       /* Check if support LBA48 */
+       if (ata_id_has_lba48(id)) {
+               pdev->lba48 = 1;
+               debug("Device support LBA48\n\r");
+       }
+
+       /* Get the NCQ queue depth from device */
+       probe_ent->flags &= (~SATA_FLAG_Q_DEP_MASK);
+       probe_ent->flags |= ata_id_queue_depth(id);
+
+       /* Get the xfer mode from device */
+       dwc_ahsata_xfer_mode(dev, id);
+
+       /* Get the write cache status from device */
+       dwc_ahsata_init_wcache(dev, id);
+
+       /* Set the xfer mode to highest speed */
+       ahci_set_feature(dev, port);
+
+       free((void *)id);
+
+       dwc_ahsata_print_info(dev);
+
+       is_ready = 1;
+
+       return 0;
+}
diff --git a/drivers/block/dwc_ahsata.h b/drivers/block/dwc_ahsata.h
new file mode 100644 (file)
index 0000000..84860ea
--- /dev/null
@@ -0,0 +1,335 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
+ * Terry Lv <r65388@freescale.com>
+ *
+ * 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
+ */
+
+#ifndef __FSL_SATA_H__
+#define __FSL_SATA_H__
+
+#define DWC_AHSATA_MAX_CMD_SLOTS       32
+
+/* Max host controller numbers */
+#define SATA_HC_MAX_NUM                4
+/* Max command queue depth per host controller */
+#define DWC_AHSATA_HC_MAX_CMD  32
+/* Max port number per host controller */
+#define SATA_HC_MAX_PORT       16
+
+/* Generic Host Register */
+
+/* HBA Capabilities Register */
+#define SATA_HOST_CAP_S64A             0x80000000
+#define SATA_HOST_CAP_SNCQ             0x40000000
+#define SATA_HOST_CAP_SSNTF            0x20000000
+#define SATA_HOST_CAP_SMPS             0x10000000
+#define SATA_HOST_CAP_SSS              0x08000000
+#define SATA_HOST_CAP_SALP             0x04000000
+#define SATA_HOST_CAP_SAL              0x02000000
+#define SATA_HOST_CAP_SCLO             0x01000000
+#define SATA_HOST_CAP_ISS_MASK         0x00f00000
+#define SATA_HOST_CAP_ISS_OFFSET       20
+#define SATA_HOST_CAP_SNZO             0x00080000
+#define SATA_HOST_CAP_SAM              0x00040000
+#define SATA_HOST_CAP_SPM              0x00020000
+#define SATA_HOST_CAP_PMD              0x00008000
+#define SATA_HOST_CAP_SSC              0x00004000
+#define SATA_HOST_CAP_PSC              0x00002000
+#define SATA_HOST_CAP_NCS              0x00001f00
+#define SATA_HOST_CAP_CCCS             0x00000080
+#define SATA_HOST_CAP_EMS              0x00000040
+#define SATA_HOST_CAP_SXS              0x00000020
+#define SATA_HOST_CAP_NP_MASK          0x0000001f
+
+/* Global HBA Control Register */
+#define SATA_HOST_GHC_AE       0x80000000
+#define SATA_HOST_GHC_IE       0x00000002
+#define SATA_HOST_GHC_HR       0x00000001
+
+/* Interrupt Status Register */
+
+/* Ports Implemented Register */
+
+/* AHCI Version Register */
+#define SATA_HOST_VS_MJR_MASK  0xffff0000
+#define SATA_HOST_VS_MJR_OFFSET        16
+#define SATA_HOST_VS_MJR_MNR   0x0000ffff
+
+/* Command Completion Coalescing Control */
+#define SATA_HOST_CCC_CTL_TV_MASK      0xffff0000
+#define SATA_HOST_CCC_CTL_TV_OFFSET            16
+#define SATA_HOST_CCC_CTL_CC_MASK      0x0000ff00
+#define SATA_HOST_CCC_CTL_CC_OFFSET            8
+#define SATA_HOST_CCC_CTL_INT_MASK     0x000000f8
+#define SATA_HOST_CCC_CTL_INT_OFFSET   3
+#define SATA_HOST_CCC_CTL_EN   0x00000001
+
+/* Command Completion Coalescing Ports */
+
+/* HBA Capabilities Extended Register */
+#define SATA_HOST_CAP2_APST            0x00000004
+
+/* BIST Activate FIS Register */
+#define SATA_HOST_BISTAFR_NCP_MASK     0x0000ff00
+#define SATA_HOST_BISTAFR_NCP_OFFSET   8
+#define SATA_HOST_BISTAFR_PD_MASK      0x000000ff
+#define SATA_HOST_BISTAFR_PD_OFFSET            0
+
+/* BIST Control Register */
+#define SATA_HOST_BISTCR_FERLB 0x00100000
+#define SATA_HOST_BISTCR_TXO   0x00040000
+#define SATA_HOST_BISTCR_CNTCLR        0x00020000
+#define SATA_HOST_BISTCR_NEALB 0x00010000
+#define SATA_HOST_BISTCR_LLC_MASK      0x00000700
+#define SATA_HOST_BISTCR_LLC_OFFSET    8
+#define SATA_HOST_BISTCR_ERREN 0x00000040
+#define SATA_HOST_BISTCR_FLIP  0x00000020
+#define SATA_HOST_BISTCR_PV            0x00000010
+#define SATA_HOST_BISTCR_PATTERN_MASK  0x0000000f
+#define SATA_HOST_BISTCR_PATTERN_OFFSET        0
+
+/* BIST FIS Count Register */
+
+/* BIST Status Register */
+#define SATA_HOST_BISTSR_FRAMERR_MASK  0x0000ffff
+#define SATA_HOST_BISTSR_FRAMERR_OFFSET        0
+#define SATA_HOST_BISTSR_BRSTERR_MASK  0x00ff0000
+#define SATA_HOST_BISTSR_BRSTERR_OFFSET        16
+
+/* BIST DWORD Error Count Register */
+
+/* OOB Register*/
+#define SATA_HOST_OOBR_WE              0x80000000
+#define SATA_HOST_OOBR_cwMin_MASK      0x7f000000
+#define SATA_HOST_OOBR_cwMAX_MASK      0x00ff0000
+#define SATA_HOST_OOBR_ciMin_MASK      0x0000ff00
+#define SATA_HOST_OOBR_ciMax_MASK      0x000000ff
+
+/* Timer 1-ms Register */
+
+/* Global Parameter 1 Register */
+#define SATA_HOST_GPARAM1R_ALIGN_M     0x80000000
+#define SATA_HOST_GPARAM1R_RX_BUFFER   0x40000000
+#define SATA_HOST_GPARAM1R_PHY_DATA_MASK       0x30000000
+#define SATA_HOST_GPARAM1R_PHY_RST     0x08000000
+#define SATA_HOST_GPARAM1R_PHY_CTRL_MASK       0x07e00000
+#define SATA_HOST_GPARAM1R_PHY_STAT_MASK       0x001f8000
+#define SATA_HOST_GPARAM1R_LATCH_M     0x00004000
+#define SATA_HOST_GPARAM1R_BIST_M      0x00002000
+#define SATA_HOST_GPARAM1R_PHY_TYPE    0x00001000
+#define SATA_HOST_GPARAM1R_RETURN_ERR  0x00000400
+#define SATA_HOST_GPARAM1R_AHB_ENDIAN_MASK     0x00000300
+#define SATA_HOST_GPARAM1R_S_HADDR     0X00000080
+#define SATA_HOST_GPARAM1R_M_HADDR     0X00000040
+
+/* Global Parameter 2 Register */
+#define SATA_HOST_GPARAM2R_DEV_CP      0x00004000
+#define SATA_HOST_GPARAM2R_DEV_MP      0x00002000
+#define SATA_HOST_GPARAM2R_DEV_ENCODE_M        0x00001000
+#define SATA_HOST_GPARAM2R_RXOOB_CLK_M 0x00000800
+#define SATA_HOST_GPARAM2R_RXOOB_M     0x00000400
+#define SATA_HOST_GPARAM2R_TX_OOB_M    0x00000200
+#define SATA_HOST_GPARAM2R_RXOOB_CLK_MASK      0x000001ff
+
+/* Port Parameter Register */
+#define SATA_HOST_PPARAMR_TX_MEM_M     0x00000200
+#define SATA_HOST_PPARAMR_TX_MEM_S     0x00000100
+#define SATA_HOST_PPARAMR_RX_MEM_M     0x00000080
+#define SATA_HOST_PPARAMR_RX_MEM_S     0x00000040
+#define SATA_HOST_PPARAMR_TXFIFO_DEPTH_MASK    0x00000038
+#define SATA_HOST_PPARAMR_RXFIFO_DEPTH_MASK    0x00000007
+
+/* Test Register */
+#define SATA_HOST_TESTR_PSEL_MASK      0x00070000
+#define SATA_HOST_TESTR_TEST_IF                0x00000001
+
+/* Port Register Descriptions */
+/* Port# Command List Base Address Register */
+#define SATA_PORT_CLB_CLB_MASK         0xfffffc00
+
+/* Port# Command List Base Address Upper 32-Bits Register */
+
+/* Port# FIS Base Address Register */
+#define SATA_PORT_FB_FB_MASK           0xfffffff0
+
+/* Port# FIS Base Address Upper 32-Bits Register */
+
+/* Port# Interrupt Status Register */
+#define SATA_PORT_IS_CPDS              0x80000000
+#define SATA_PORT_IS_TFES              0x40000000
+#define SATA_PORT_IS_HBFS              0x20000000
+#define SATA_PORT_IS_HBDS              0x10000000
+#define SATA_PORT_IS_IFS               0x08000000
+#define SATA_PORT_IS_INFS              0x04000000
+#define SATA_PORT_IS_OFS               0x01000000
+#define SATA_PORT_IS_IPMS              0x00800000
+#define SATA_PORT_IS_PRCS              0x00400000
+#define SATA_PORT_IS_DMPS              0x00000080
+#define SATA_PORT_IS_PCS               0x00000040
+#define SATA_PORT_IS_DPS               0x00000020
+#define SATA_PORT_IS_UFS               0x00000010
+#define SATA_PORT_IS_SDBS              0x00000008
+#define SATA_PORT_IS_DSS               0x00000004
+#define SATA_PORT_IS_PSS               0x00000002
+#define SATA_PORT_IS_DHRS              0x00000001
+
+/* Port# Interrupt Enable Register */
+#define SATA_PORT_IE_CPDE              0x80000000
+#define SATA_PORT_IE_TFEE              0x40000000
+#define SATA_PORT_IE_HBFE              0x20000000
+#define SATA_PORT_IE_HBDE              0x10000000
+#define SATA_PORT_IE_IFE               0x08000000
+#define SATA_PORT_IE_INFE              0x04000000
+#define SATA_PORT_IE_OFE               0x01000000
+#define SATA_PORT_IE_IPME              0x00800000
+#define SATA_PORT_IE_PRCE              0x00400000
+#define SATA_PORT_IE_DMPE              0x00000080
+#define SATA_PORT_IE_PCE               0x00000040
+#define SATA_PORT_IE_DPE               0x00000020
+#define SATA_PORT_IE_UFE               0x00000010
+#define SATA_PORT_IE_SDBE              0x00000008
+#define SATA_PORT_IE_DSE               0x00000004
+#define SATA_PORT_IE_PSE               0x00000002
+#define SATA_PORT_IE_DHRE              0x00000001
+
+/* Port# Command Register */
+#define SATA_PORT_CMD_ICC_MASK         0xf0000000
+#define SATA_PORT_CMD_ASP              0x08000000
+#define SATA_PORT_CMD_ALPE             0x04000000
+#define SATA_PORT_CMD_DLAE             0x02000000
+#define SATA_PORT_CMD_ATAPI            0x01000000
+#define SATA_PORT_CMD_APSTE            0x00800000
+#define SATA_PORT_CMD_ESP              0x00200000
+#define SATA_PORT_CMD_CPD              0x00100000
+#define SATA_PORT_CMD_MPSP             0x00080000
+#define SATA_PORT_CMD_HPCP             0x00040000
+#define SATA_PORT_CMD_PMA              0x00020000
+#define SATA_PORT_CMD_CPS              0x00010000
+#define SATA_PORT_CMD_CR               0x00008000
+#define SATA_PORT_CMD_FR               0x00004000
+#define SATA_PORT_CMD_MPSS             0x00002000
+#define SATA_PORT_CMD_CCS_MASK         0x00001f00
+#define SATA_PORT_CMD_FRE              0x00000010
+#define SATA_PORT_CMD_CLO              0x00000008
+#define SATA_PORT_CMD_POD              0x00000004
+#define SATA_PORT_CMD_SUD              0x00000002
+#define SATA_PORT_CMD_ST               0x00000001
+
+/* Port# Task File Data Register */
+#define SATA_PORT_TFD_ERR_MASK         0x0000ff00
+#define SATA_PORT_TFD_STS_MASK         0x000000ff
+#define SATA_PORT_TFD_STS_ERR          0x00000001
+#define SATA_PORT_TFD_STS_DRQ          0x00000008
+#define SATA_PORT_TFD_STS_BSY          0x00000080
+
+/* Port# Signature Register */
+
+/* Port# Serial ATA Status {SStatus} Register */
+#define SATA_PORT_SSTS_IPM_MASK                0x00000f00
+#define SATA_PORT_SSTS_SPD_MASK                0x000000f0
+#define SATA_PORT_SSTS_DET_MASK                0x0000000f
+
+/* Port# Serial ATA Control {SControl} Register */
+#define SATA_PORT_SCTL_IPM_MASK                0x00000f00
+#define SATA_PORT_SCTL_SPD_MASK                0x000000f0
+#define SATA_PORT_SCTL_DET_MASK                0x0000000f
+
+/* Port# Serial ATA Error {SError} Register */
+#define SATA_PORT_SERR_DIAG_X          0x04000000
+#define SATA_PORT_SERR_DIAG_F          0x02000000
+#define SATA_PORT_SERR_DIAG_T          0x01000000
+#define SATA_PORT_SERR_DIAG_S          0x00800000
+#define SATA_PORT_SERR_DIAG_H          0x00400000
+#define SATA_PORT_SERR_DIAG_C          0x00200000
+#define SATA_PORT_SERR_DIAG_D          0x00100000
+#define SATA_PORT_SERR_DIAG_B          0x00080000
+#define SATA_PORT_SERR_DIAG_W          0x00040000
+#define SATA_PORT_SERR_DIAG_I          0x00020000
+#define SATA_PORT_SERR_DIAG_N          0x00010000
+#define SATA_PORT_SERR_ERR_E           0x00000800
+#define SATA_PORT_SERR_ERR_P           0x00000400
+#define SATA_PORT_SERR_ERR_C           0x00000200
+#define SATA_PORT_SERR_ERR_T           0x00000100
+#define SATA_PORT_SERR_ERR_M           0x00000002
+#define SATA_PORT_SERR_ERR_I           0x00000001
+
+/* Port# Serial ATA Active {SActive} Register */
+
+/* Port# Command Issue Register */
+
+/* Port# Serial ATA Notification Register */
+
+/* Port# DMA Control Register */
+#define SATA_PORT_DMACR_RXABL_MASK     0x0000f000
+#define SATA_PORT_DMACR_TXABL_MASK     0x00000f00
+#define SATA_PORT_DMACR_RXTS_MASK      0x000000f0
+#define SATA_PORT_DMACR_TXTS_MASK      0x0000000f
+
+/* Port# PHY Control Register */
+
+/* Port# PHY Status Register */
+
+#define SATA_HC_CMD_HDR_ENTRY_SIZE     sizeof(struct cmd_hdr_entry)
+
+/* DW0
+*/
+#define CMD_HDR_DI_CFL_MASK    0x0000001f
+#define CMD_HDR_DI_CFL_OFFSET  0
+#define CMD_HDR_DI_A                   0x00000020
+#define CMD_HDR_DI_W                   0x00000040
+#define CMD_HDR_DI_P                   0x00000080
+#define CMD_HDR_DI_R                   0x00000100
+#define CMD_HDR_DI_B                   0x00000200
+#define CMD_HDR_DI_C                   0x00000400
+#define CMD_HDR_DI_PMP_MASK    0x0000f000
+#define CMD_HDR_DI_PMP_OFFSET  12
+#define CMD_HDR_DI_PRDTL               0xffff0000
+#define CMD_HDR_DI_PRDTL_OFFSET        16
+
+/* prde_fis_len
+*/
+#define CMD_HDR_PRD_ENTRY_SHIFT        16
+#define CMD_HDR_PRD_ENTRY_MASK 0x003f0000
+#define CMD_HDR_FIS_LEN_SHIFT  2
+
+/* attribute
+*/
+#define CMD_HDR_ATTR_RES       0x00000800 /* Reserved bit, should be 1 */
+#define CMD_HDR_ATTR_VBIST     0x00000400 /* Vendor BIST */
+/* Snoop enable for all descriptor */
+#define CMD_HDR_ATTR_SNOOP     0x00000200
+#define CMD_HDR_ATTR_FPDMA     0x00000100 /* FPDMA queued command */
+#define CMD_HDR_ATTR_RESET     0x00000080 /* Reset - a SRST or device reset */
+/* BIST - require the host to enter BIST mode */
+#define CMD_HDR_ATTR_BIST      0x00000040
+#define CMD_HDR_ATTR_ATAPI     0x00000020 /* ATAPI command */
+#define CMD_HDR_ATTR_TAG       0x0000001f /* TAG mask */
+
+#define FLAGS_DMA      0x00000000
+#define FLAGS_FPDMA    0x00000001
+
+#define SATA_FLAG_Q_DEP_MASK   0x0000000f
+#define SATA_FLAG_WCACHE       0x00000100
+#define SATA_FLAG_FLUSH                0x00000200
+#define SATA_FLAG_FLUSH_EXT    0x00000400
+
+#define READ_CMD       0
+#define WRITE_CMD      1
+
+extern block_dev_desc_t sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
+
+#endif /* __FSL_SATA_H__ */
index 465ea7fcbbb020d6384342076e42153fa8cc6616..c4fb9e79a55f41bb4406a98bcca0510268f7ea4f 100644 (file)
 #define AHCI_PCI_BAR           0x24
 #define AHCI_MAX_SG            56 /* hardware max is 64K */
 #define AHCI_CMD_SLOT_SZ       32
+#define AHCI_MAX_CMD_SLOT      32
 #define AHCI_RX_FIS_SZ         256
 #define AHCI_CMD_TBL_HDR       0x80
 #define AHCI_CMD_TBL_CDB       0x40
 #define AHCI_CMD_TBL_SZ                AHCI_CMD_TBL_HDR + (AHCI_MAX_SG * 16)
-#define AHCI_PORT_PRIV_DMA_SZ  AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_SZ      \
-                               + AHCI_RX_FIS_SZ
+#define AHCI_PORT_PRIV_DMA_SZ  (AHCI_CMD_SLOT_SZ * AHCI_MAX_CMD_SLOT + \
+                               AHCI_CMD_TBL_SZ + AHCI_RX_FIS_SZ)
 #define AHCI_CMD_ATAPI         (1 << 5)
 #define AHCI_CMD_WRITE         (1 << 6)
 #define AHCI_CMD_PREFETCH      (1 << 7)