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-rw-r--r--drivers/block/ahci.c142
1 files changed, 69 insertions, 73 deletions
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index e455ba5fb..8cc9379b8 100644
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -16,14 +16,14 @@
#include <asm/io.h>
#include <malloc.h>
#include <scsi.h>
-#include <ata.h>
+#include <libata.h>
#include <linux/ctype.h>
#include <ahci.h>
static int ata_io_flush(u8 port);
struct ahci_probe_ent *probe_ent = NULL;
-hd_driveid_t *ataid[AHCI_MAX_PORTS];
+u16 *ataid[AHCI_MAX_PORTS];
#define writel_with_flush(a,b) do { writel(a,b); readl(b); } while (0)
@@ -38,7 +38,7 @@ hd_driveid_t *ataid[AHCI_MAX_PORTS];
#endif
/* Maximum timeouts for each event */
-#define WAIT_MS_SPINUP 10000
+#define WAIT_MS_SPINUP 20000
#define WAIT_MS_DATAIO 5000
#define WAIT_MS_FLUSH 5000
#define WAIT_MS_LINKUP 4
@@ -107,6 +107,27 @@ static int waiting_for_cmd_completed(volatile u8 *offset,
return (i < timeout_msec) ? 0 : -1;
}
+int __weak ahci_link_up(struct ahci_probe_ent *probe_ent, u8 port)
+{
+ u32 tmp;
+ int j = 0;
+ u8 *port_mmio = (u8 *)probe_ent->port[port].port_mmio;
+
+ /*
+ * Bring up SATA link.
+ * SATA link bringup time is usually less than 1 ms; only very
+ * rarely has it taken between 1-2 ms. Never seen it above 2 ms.
+ */
+ while (j < WAIT_MS_LINKUP) {
+ tmp = readl(port_mmio + PORT_SCR_STAT);
+ tmp &= PORT_SCR_STAT_DET_MASK;
+ if (tmp == PORT_SCR_STAT_DET_PHYRDY)
+ return 0;
+ udelay(1000);
+ j++;
+ }
+ return 1;
+}
static int ahci_host_init(struct ahci_probe_ent *probe_ent)
{
@@ -117,8 +138,9 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
#endif
volatile u8 *mmio = (volatile u8 *)probe_ent->mmio_base;
u32 tmp, cap_save, cmd;
- int i, j;
+ int i, j, ret;
volatile u8 *port_mmio;
+ u32 port_map;
debug("ahci_host_init: start\n");
@@ -160,6 +182,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
#endif
probe_ent->cap = readl(mmio + HOST_CAP);
probe_ent->port_map = readl(mmio + HOST_PORTS_IMPL);
+ port_map = probe_ent->port_map;
probe_ent->n_ports = (probe_ent->cap & 0x1f) + 1;
debug("cap 0x%x port_map 0x%x n_ports %d\n",
@@ -169,6 +192,8 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
probe_ent->n_ports = CONFIG_SYS_SCSI_MAX_SCSI_ID;
for (i = 0; i < probe_ent->n_ports; i++) {
+ if (!(port_map & (1 << i)))
+ continue;
probe_ent->port[i].port_mmio = ahci_port_base((u32) mmio, i);
port_mmio = (u8 *) probe_ent->port[i].port_mmio;
ahci_setup_port(&probe_ent->port[i], (unsigned long)mmio, i);
@@ -196,19 +221,9 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
cmd |= PORT_CMD_SPIN_UP;
writel_with_flush(cmd, port_mmio + PORT_CMD);
- /* Bring up SATA link.
- * SATA link bringup time is usually less than 1 ms; only very
- * rarely has it taken between 1-2 ms. Never seen it above 2 ms.
- */
- j = 0;
- while (j < WAIT_MS_LINKUP) {
- tmp = readl(port_mmio + PORT_SCR_STAT);
- if ((tmp & 0xf) == 0x3)
- break;
- udelay(1000);
- j++;
- }
- if (j == WAIT_MS_LINKUP) {
+ /* Bring up SATA link. */
+ ret = ahci_link_up(probe_ent, i);
+ if (ret) {
printf("SATA link %d timeout.\n", i);
continue;
} else {
@@ -225,11 +240,23 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
j = 0;
while (j < WAIT_MS_SPINUP) {
tmp = readl(port_mmio + PORT_TFDATA);
- if (!(tmp & (ATA_STAT_BUSY | ATA_STAT_DRQ)))
+ if (!(tmp & (ATA_BUSY | ATA_DRQ)))
break;
udelay(1000);
+ tmp = readl(port_mmio + PORT_SCR_STAT);
+ tmp &= PORT_SCR_STAT_DET_MASK;
+ if (tmp == PORT_SCR_STAT_DET_PHYRDY)
+ break;
j++;
}
+
+ tmp = readl(port_mmio + PORT_SCR_STAT) & PORT_SCR_STAT_DET_MASK;
+ if (tmp == PORT_SCR_STAT_DET_COMINIT) {
+ debug("SATA link %d down (COMINIT received), retrying...\n", i);
+ i--;
+ continue;
+ }
+
printf("Target spinup took %d ms.\n", j);
if (j == WAIT_MS_SPINUP)
debug("timeout.\n");
@@ -254,7 +281,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
/* register linkup ports */
tmp = readl(port_mmio + PORT_SCR_STAT);
debug("SATA port %d status: 0x%x\n", i, tmp);
- if ((tmp & 0xf) == 0x03)
+ if ((tmp & PORT_SCR_STAT_DET_MASK) == PORT_SCR_STAT_DET_PHYRDY)
probe_ent->link_port_map |= (0x01 << i);
}
@@ -351,8 +378,6 @@ static int ahci_init_one(pci_dev_t pdev)
u16 vendor;
int rc;
- memset((void *)ataid, 0, sizeof(hd_driveid_t *) * AHCI_MAX_PORTS);
-
probe_ent = malloc(sizeof(struct ahci_probe_ent));
memset(probe_ent, 0, sizeof(struct ahci_probe_ent));
probe_ent->dev = pdev;
@@ -442,7 +467,7 @@ static void ahci_set_feature(u8 port)
memset(fis, 0, sizeof(fis));
fis[0] = 0x27;
fis[1] = 1 << 7;
- fis[2] = ATA_CMD_SETF;
+ fis[2] = ATA_CMD_SET_FEATURES;
fis[3] = SETFEATURES_XFER;
fis[12] = __ilog2(probe_ent->udma_mask + 1) + 0x40 - 0x01;
@@ -580,33 +605,12 @@ static char *ata_id_strcpy(u16 *target, u16 *src, int len)
return (char *)target;
}
-
-static void dump_ataid(hd_driveid_t *ataid)
-{
- debug("(49)ataid->capability = 0x%x\n", ataid->capability);
- debug("(53)ataid->field_valid =0x%x\n", ataid->field_valid);
- debug("(63)ataid->dma_mword = 0x%x\n", ataid->dma_mword);
- debug("(64)ataid->eide_pio_modes = 0x%x\n", ataid->eide_pio_modes);
- debug("(75)ataid->queue_depth = 0x%x\n", ataid->queue_depth);
- debug("(80)ataid->major_rev_num = 0x%x\n", ataid->major_rev_num);
- debug("(81)ataid->minor_rev_num = 0x%x\n", ataid->minor_rev_num);
- debug("(82)ataid->command_set_1 = 0x%x\n", ataid->command_set_1);
- debug("(83)ataid->command_set_2 = 0x%x\n", ataid->command_set_2);
- debug("(84)ataid->cfsse = 0x%x\n", ataid->cfsse);
- debug("(85)ataid->cfs_enable_1 = 0x%x\n", ataid->cfs_enable_1);
- debug("(86)ataid->cfs_enable_2 = 0x%x\n", ataid->cfs_enable_2);
- debug("(87)ataid->csf_default = 0x%x\n", ataid->csf_default);
- debug("(88)ataid->dma_ultra = 0x%x\n", ataid->dma_ultra);
- debug("(93)ataid->hw_config = 0x%x\n", ataid->hw_config);
-}
-
-
/*
* SCSI INQUIRY command operation.
*/
static int ata_scsiop_inquiry(ccb *pccb)
{
- u8 hdr[] = {
+ static const u8 hdr[] = {
0,
0,
0x5, /* claim SPC-3 version compatibility */
@@ -614,7 +618,7 @@ static int ata_scsiop_inquiry(ccb *pccb)
95 - 4,
};
u8 fis[20];
- u8 *tmpid;
+ u16 *tmpid;
u8 port;
/* Clean ccb data buffer */
@@ -629,28 +633,33 @@ static int ata_scsiop_inquiry(ccb *pccb)
/* Construct the FIS */
fis[0] = 0x27; /* Host to device FIS. */
fis[1] = 1 << 7; /* Command FIS. */
- fis[2] = ATA_CMD_IDENT; /* Command byte. */
+ fis[2] = ATA_CMD_ID_ATA; /* Command byte. */
/* Read id from sata */
port = pccb->target;
- if (!(tmpid = malloc(sizeof(hd_driveid_t))))
+ tmpid = malloc(ATA_ID_WORDS * 2);
+ if (!tmpid)
return -ENOMEM;
- if (ahci_device_data_io(port, (u8 *) &fis, sizeof(fis), tmpid,
- sizeof(hd_driveid_t), 0)) {
+ if (ahci_device_data_io(port, (u8 *) &fis, sizeof(fis), (u8 *)tmpid,
+ ATA_ID_WORDS * 2, 0)) {
debug("scsi_ahci: SCSI inquiry command failure.\n");
+ free(tmpid);
return -EIO;
}
if (ataid[port])
free(ataid[port]);
- ataid[port] = (hd_driveid_t *) tmpid;
+ ataid[port] = tmpid;
+ ata_swap_buf_le16(tmpid, ATA_ID_WORDS);
memcpy(&pccb->pdata[8], "ATA ", 8);
- ata_id_strcpy((u16 *) &pccb->pdata[16], (u16 *)ataid[port]->model, 16);
- ata_id_strcpy((u16 *) &pccb->pdata[32], (u16 *)ataid[port]->fw_rev, 4);
+ ata_id_strcpy((u16 *) &pccb->pdata[16], &tmpid[ATA_ID_PROD], 16);
+ ata_id_strcpy((u16 *) &pccb->pdata[32], &tmpid[ATA_ID_FW_REV], 4);
- dump_ataid(ataid[port]);
+#ifdef DEBUG
+ ata_dump_id(tmpid);
+#endif
return 0;
}
@@ -698,7 +707,7 @@ static int ata_scsiop_read_write(ccb *pccb, u8 is_write)
now_blocks = min(MAX_SATA_BLOCKS_READ_WRITE, blocks);
- transfer_size = ATA_BLOCKSIZE * now_blocks;
+ transfer_size = ATA_SECT_SIZE * now_blocks;
if (transfer_size > user_buffer_size) {
printf("scsi_ahci: Error: buffer too small.\n");
return -EIO;
@@ -753,6 +762,7 @@ static int ata_scsiop_read_write(ccb *pccb, u8 is_write)
static int ata_scsiop_read_capacity10(ccb *pccb)
{
u32 cap;
+ u64 cap64;
u32 block_size;
if (!ataid[pccb->target]) {
@@ -762,18 +772,11 @@ static int ata_scsiop_read_capacity10(ccb *pccb)
return -EPERM;
}
- cap = le32_to_cpu(ataid[pccb->target]->lba_capacity);
- if (cap == 0xfffffff) {
- unsigned short *cap48 = ataid[pccb->target]->lba48_capacity;
- if (cap48[2] || cap48[3]) {
- cap = 0xffffffff;
- } else {
- cap = (le16_to_cpu(cap48[1]) << 16) |
- (le16_to_cpu(cap48[0]));
- }
- }
+ cap64 = ata_id_n_sectors(ataid[pccb->target]);
+ if (cap64 > 0x100000000ULL)
+ cap64 = 0xffffffff;
- cap = cpu_to_be32(cap);
+ cap = cpu_to_be32(cap64);
memcpy(pccb->pdata, &cap, sizeof(cap));
block_size = cpu_to_be32((u32)512);
@@ -798,12 +801,7 @@ static int ata_scsiop_read_capacity16(ccb *pccb)
return -EPERM;
}
- cap = le32_to_cpu(ataid[pccb->target]->lba_capacity);
- if (cap == 0xfffffff) {
- memcpy(&cap, ataid[pccb->target]->lba48_capacity, sizeof(cap));
- cap = le64_to_cpu(cap);
- }
-
+ cap = ata_id_n_sectors(ataid[pccb->target]);
cap = cpu_to_be64(cap);
memcpy(pccb->pdata, &cap, sizeof(cap));
@@ -890,8 +888,6 @@ int ahci_init(u32 base)
int i, rc = 0;
u32 linkmap;
- memset(ataid, 0, sizeof(ataid));
-
probe_ent = malloc(sizeof(struct ahci_probe_ent));
memset(probe_ent, 0, sizeof(struct ahci_probe_ent));
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-30 23:13:59 +0000