* Copyright (C) Excito Elektronik i Skåne AB, 2010.
* Author: Tor Krill <tor@excito.com>
*
- * Copyright (C) 2015 Stefan Roese <sr@denx.de>
+ * Copyright (C) 2015, 2019 Stefan Roese <sr@denx.de>
*/
/*
*/
#include <common.h>
+#include <ahci.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
#include <fis.h>
#include <libata.h>
#include <malloc.h>
u16 pio;
u16 mwdma;
u16 udma;
+ int dev_nr;
void *crqb_alloc;
struct crqb *request;
}
/* Cut from sata_mv in linux kernel */
-static int mv_stop_edma_engine(int port)
+static int mv_stop_edma_engine(struct udevice *dev, int port)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
int i;
/* Disable eDMA. The disable bit auto clears. */
return -1;
}
-static int mv_start_edma_engine(int port)
+static int mv_start_edma_engine(struct udevice *dev, int port)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
u32 tmp;
/* Check preconditions */
return 0;
}
-static int mv_reset_channel(int port)
+static int mv_reset_channel(struct udevice *dev, int port)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
/* Make sure edma is stopped */
- mv_stop_edma_engine(port);
+ mv_stop_edma_engine(dev, port);
out_le32(priv->regbase + EDMA_CMD, EDMA_CMD_ATARST);
udelay(25); /* allow reset propagation */
return 0;
}
-static void mv_reset_port(int port)
+static void mv_reset_port(struct udevice *dev, int port)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
- mv_reset_channel(port);
+ mv_reset_channel(dev, port);
out_le32(priv->regbase + EDMA_CMD, 0x0);
out_le32(priv->regbase + EDMA_CFG, 0x101f);
out_le32(SATAHC_BASE + SATAHC_ICR, 0x00);
}
-static int probe_port(int port)
+static int probe_port(struct udevice *dev, int port)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
int tries, tries2, set15 = 0;
u32 tmp;
tmp &= ~SIR_CFG_GEN2EN;
out_le32(priv->regbase + SIR_ICFG, tmp);
- mv_reset_channel(port);
+ mv_reset_channel(dev, port);
}
}
}
/* Get request queue in pointer */
-static int get_reqip(int port)
+static int get_reqip(struct udevice *dev, int port)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
u32 tmp;
tmp = in_le32(priv->regbase + EDMA_RQIPR) & EDMA_RQIPR_IPMASK;
return tmp;
}
-static void set_reqip(int port, int reqin)
+static void set_reqip(struct udevice *dev, int port, int reqin)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
u32 tmp;
tmp = in_le32(priv->regbase + EDMA_RQIPR) & ~EDMA_RQIPR_IPMASK;
}
/* Get next available slot, ignoring possible overwrite */
-static int get_next_reqip(int port)
+static int get_next_reqip(struct udevice *dev, int port)
{
- int slot = get_reqip(port);
+ int slot = get_reqip(dev, port);
slot = (slot + 1) % REQUEST_QUEUE_SIZE;
return slot;
}
/* Get response queue in pointer */
-static int get_rspip(int port)
+static int get_rspip(struct udevice *dev, int port)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
u32 tmp;
tmp = in_le32(priv->regbase + EDMA_RSIPR) & EDMA_RSIPR_IPMASK;
}
/* Get response queue out pointer */
-static int get_rspop(int port)
+static int get_rspop(struct udevice *dev, int port)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
u32 tmp;
tmp = in_le32(priv->regbase + EDMA_RSOPR) & EDMA_RSOPR_OPMASK;
}
/* Get next response queue pointer */
-static int get_next_rspop(int port)
+static int get_next_rspop(struct udevice *dev, int port)
{
- return (get_rspop(port) + 1) % RESPONSE_QUEUE_SIZE;
+ return (get_rspop(dev, port) + 1) % RESPONSE_QUEUE_SIZE;
}
/* Set response queue pointer */
-static void set_rspop(int port, int reqin)
+static void set_rspop(struct udevice *dev, int port, int reqin)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
u32 tmp;
tmp = in_le32(priv->regbase + EDMA_RSOPR) & ~EDMA_RSOPR_OPMASK;
out_le32(priv->regbase + EDMA_RSOPR, tmp);
}
-static int wait_dma_completion(int port, int index, u32 timeout_msec)
+static int wait_dma_completion(struct udevice *dev, int port, int index,
+ u32 timeout_msec)
{
u32 tmp, res;
return res;
}
-static void process_responses(int port)
+static void process_responses(struct udevice *dev, int port)
{
#ifdef DEBUG
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
#endif
u32 tmp;
- u32 outind = get_rspop(port);
+ u32 outind = get_rspop(dev, port);
/* Ack interrupts */
tmp = in_le32(SATAHC_BASE + SATAHC_ICR);
tmp &= ~(BIT(4));
out_le32(SATAHC_BASE + SATAHC_ICR, tmp);
- while (get_rspip(port) != outind) {
+ while (get_rspip(dev, port) != outind) {
#ifdef DEBUG
debug("Response index %d flags %08x on port %d\n", outind,
priv->response[outind].flags, port);
#endif
- outind = get_next_rspop(port);
- set_rspop(port, outind);
+ outind = get_next_rspop(dev, port);
+ set_rspop(dev, port, outind);
}
}
-static int mv_ata_exec_ata_cmd(int port, struct sata_fis_h2d *cfis,
+static int mv_ata_exec_ata_cmd(struct udevice *dev, int port,
+ struct sata_fis_h2d *cfis,
u8 *buffer, u32 len, u32 iswrite)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
struct crqb *req;
int slot;
u32 start;
}
/* Initialize request */
- slot = get_reqip(port);
+ slot = get_reqip(dev, port);
memset(&priv->request[slot], 0, sizeof(struct crqb));
req = &priv->request[slot];
start + ALIGN(sizeof(*req), ARCH_DMA_MINALIGN));
/* Trigger operation */
- slot = get_next_reqip(port);
- set_reqip(port, slot);
+ slot = get_next_reqip(dev, port);
+ set_reqip(dev, port, slot);
/* Wait for completion */
- if (wait_dma_completion(port, slot, 10000)) {
+ if (wait_dma_completion(dev, port, slot, 10000)) {
printf("ATA operation timed out\n");
return -1;
}
- process_responses(port);
+ process_responses(dev, port);
/* Invalidate data on read */
if (buffer && len) {
return len;
}
-static u32 mv_sata_rw_cmd_ext(int port, lbaint_t start, u32 blkcnt,
+static u32 mv_sata_rw_cmd_ext(struct udevice *dev, int port, lbaint_t start,
+ u32 blkcnt,
u8 *buffer, int is_write)
{
struct sata_fis_h2d cfis;
cfis.sector_count_exp = (blkcnt >> 8) & 0xff;
cfis.sector_count = blkcnt & 0xff;
- res = mv_ata_exec_ata_cmd(port, &cfis, buffer, ATA_SECT_SIZE * blkcnt,
- is_write);
+ res = mv_ata_exec_ata_cmd(dev, port, &cfis, buffer,
+ ATA_SECT_SIZE * blkcnt, is_write);
return res >= 0 ? blkcnt : res;
}
-static u32 mv_sata_rw_cmd(int port, lbaint_t start, u32 blkcnt, u8 *buffer,
- int is_write)
+static u32 mv_sata_rw_cmd(struct udevice *dev, int port, lbaint_t start,
+ u32 blkcnt, u8 *buffer, int is_write)
{
struct sata_fis_h2d cfis;
lbaint_t block;
cfis.lba_low = block & 0xff;
cfis.sector_count = (u8)(blkcnt & 0xff);
- res = mv_ata_exec_ata_cmd(port, &cfis, buffer, ATA_SECT_SIZE * blkcnt,
- is_write);
+ res = mv_ata_exec_ata_cmd(dev, port, &cfis, buffer,
+ ATA_SECT_SIZE * blkcnt, is_write);
return res >= 0 ? blkcnt : res;
}
-static u32 ata_low_level_rw(int dev, lbaint_t blknr, lbaint_t blkcnt,
- void *buffer, int is_write)
+static u32 ata_low_level_rw(struct udevice *dev, int port, lbaint_t blknr,
+ lbaint_t blkcnt, void *buffer, int is_write)
{
+ struct blk_desc *desc = dev_get_uclass_platdata(dev);
lbaint_t start, blks;
u8 *addr;
int max_blks;
max_blks = MV_ATA_MAX_SECTORS;
do {
if (blks > max_blks) {
- if (sata_dev_desc[dev].lba48) {
- mv_sata_rw_cmd_ext(dev, start, max_blks, addr,
- is_write);
+ if (desc->lba48) {
+ mv_sata_rw_cmd_ext(dev, port, start, max_blks,
+ addr, is_write);
} else {
- mv_sata_rw_cmd(dev, start, max_blks, addr,
- is_write);
+ mv_sata_rw_cmd(dev, port, start, max_blks,
+ addr, is_write);
}
start += max_blks;
blks -= max_blks;
addr += ATA_SECT_SIZE * max_blks;
} else {
- if (sata_dev_desc[dev].lba48) {
- mv_sata_rw_cmd_ext(dev, start, blks, addr,
+ if (desc->lba48) {
+ mv_sata_rw_cmd_ext(dev, port, start, blks, addr,
is_write);
} else {
- mv_sata_rw_cmd(dev, start, blks, addr,
+ mv_sata_rw_cmd(dev, port, start, blks, addr,
is_write);
}
start += blks;
return blkcnt;
}
-static int mv_ata_exec_ata_cmd_nondma(int port,
+static int mv_ata_exec_ata_cmd_nondma(struct udevice *dev, int port,
struct sata_fis_h2d *cfis, u8 *buffer,
u32 len, u32 iswrite)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
int i;
u16 *tp;
return len;
}
-static int mv_sata_identify(int port, u16 *id)
+static int mv_sata_identify(struct udevice *dev, int port, u16 *id)
{
struct sata_fis_h2d h2d;
/* Give device time to get operational */
mdelay(10);
- return mv_ata_exec_ata_cmd_nondma(port, &h2d, (u8 *)id,
+ return mv_ata_exec_ata_cmd_nondma(dev, port, &h2d, (u8 *)id,
ATA_ID_WORDS * 2, READ_CMD);
}
-static void mv_sata_xfer_mode(int port, u16 *id)
+static void mv_sata_xfer_mode(struct udevice *dev, int port, u16 *id)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
priv->pio = id[ATA_ID_PIO_MODES];
priv->mwdma = id[ATA_ID_MWDMA_MODES];
priv->udma);
}
-static void mv_sata_set_features(int port)
+static void mv_sata_set_features(struct udevice *dev, int port)
{
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
struct sata_fis_h2d cfis;
u8 udma_cap;
if (udma_cap == ATA_UDMA3)
cfis.sector_count = XFER_UDMA_3;
- mv_ata_exec_ata_cmd_nondma(port, &cfis, NULL, 0, READ_CMD);
-}
-
-int mv_sata_spin_down(int dev)
-{
- struct sata_fis_h2d cfis;
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[dev].priv;
-
- if (priv->link == 0) {
- debug("No device on port: %d\n", dev);
- return 1;
- }
-
- memset(&cfis, 0, sizeof(struct sata_fis_h2d));
-
- cfis.fis_type = SATA_FIS_TYPE_REGISTER_H2D;
- cfis.command = ATA_CMD_STANDBY;
-
- return mv_ata_exec_ata_cmd_nondma(dev, &cfis, NULL, 0, READ_CMD);
-}
-
-int mv_sata_spin_up(int dev)
-{
- struct sata_fis_h2d cfis;
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[dev].priv;
-
- if (priv->link == 0) {
- debug("No device on port: %d\n", dev);
- return 1;
- }
-
- memset(&cfis, 0, sizeof(struct sata_fis_h2d));
-
- cfis.fis_type = SATA_FIS_TYPE_REGISTER_H2D;
- cfis.command = ATA_CMD_IDLE;
-
- return mv_ata_exec_ata_cmd_nondma(dev, &cfis, NULL, 0, READ_CMD);
-}
-
-ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer)
-{
- return ata_low_level_rw(dev, blknr, blkcnt, buffer, READ_CMD);
-}
-
-ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer)
-{
- return ata_low_level_rw(dev, blknr, blkcnt, (void *)buffer, WRITE_CMD);
+ mv_ata_exec_ata_cmd_nondma(dev, port, &cfis, NULL, 0, READ_CMD);
}
/*
}
}
-int init_sata(int dev)
+static int sata_mv_init_sata(struct udevice *dev, int port)
{
- struct mv_priv *priv;
+ struct mv_priv *priv = dev_get_platdata(dev);
- debug("Initialize sata dev: %d\n", dev);
+ debug("Initialize sata dev: %d\n", port);
- if (dev < 0 || dev >= CONFIG_SYS_SATA_MAX_DEVICE) {
- printf("Invalid sata device %d\n", dev);
+ if (port < 0 || port >= CONFIG_SYS_SATA_MAX_DEVICE) {
+ printf("Invalid sata device %d\n", port);
return -1;
}
- priv = (struct mv_priv *)malloc(sizeof(struct mv_priv));
- if (!priv) {
- printf("Failed to allocate memory for private sata data\n");
- return -ENOMEM;
- }
-
- memset((void *)priv, 0, sizeof(struct mv_priv));
-
/* Allocate and align request buffer */
priv->crqb_alloc = malloc(sizeof(struct crqb) * REQUEST_QUEUE_SIZE +
CRQB_ALIGN);
priv->response = (struct crpb *)(((u32) priv->crpb_alloc + CRPB_ALIGN) &
~(CRPB_ALIGN - 1));
- sata_dev_desc[dev].priv = (void *)priv;
+ sprintf(priv->name, "SATA%d", port);
- sprintf(priv->name, "SATA%d", dev);
-
- priv->regbase = dev == 0 ? SATA0_BASE : SATA1_BASE;
+ priv->regbase = port == 0 ? SATA0_BASE : SATA1_BASE;
if (!hw_init) {
debug("Initialize sata hw\n");
mvsata_ide_conf_mbus_windows();
}
- mv_reset_port(dev);
+ mv_reset_port(dev, port);
- if (probe_port(dev)) {
+ if (probe_port(dev, port)) {
priv->link = 0;
return -ENODEV;
}
return 0;
}
-int reset_sata(int dev)
-{
- return 0;
-}
-
-int scan_sata(int port)
+static int sata_mv_scan_sata(struct udevice *dev, int port)
{
+ struct blk_desc *desc = dev_get_uclass_platdata(dev);
+ struct mv_priv *priv = dev_get_platdata(dev);
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];
u64 n_sectors;
u16 *id;
- struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv;
if (!priv->link)
return -ENODEV;
return -ENOMEM;
}
- mv_sata_identify(port, id);
+ mv_sata_identify(dev, port, id);
ata_swap_buf_le16(id, ATA_ID_WORDS);
#ifdef DEBUG
ata_dump_id(id);
/* Serial number */
ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
- memcpy(sata_dev_desc[port].product, serial, sizeof(serial));
+ memcpy(desc->product, serial, sizeof(serial));
/* Firmware version */
ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
- memcpy(sata_dev_desc[port].revision, firmware, sizeof(firmware));
+ memcpy(desc->revision, firmware, sizeof(firmware));
/* Product model */
ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
- memcpy(sata_dev_desc[port].vendor, product, sizeof(product));
+ memcpy(desc->vendor, product, sizeof(product));
/* Total sectors */
n_sectors = ata_id_n_sectors(id);
- sata_dev_desc[port].lba = n_sectors;
+ desc->lba = n_sectors;
/* Check if support LBA48 */
if (ata_id_has_lba48(id)) {
- sata_dev_desc[port].lba48 = 1;
+ desc->lba48 = 1;
debug("Device support LBA48\n");
}
priv->queue_depth = ata_id_queue_depth(id);
/* Get the xfer mode from device */
- mv_sata_xfer_mode(port, id);
+ mv_sata_xfer_mode(dev, port, id);
/* Set the xfer mode to highest speed */
- mv_sata_set_features(port);
+ mv_sata_set_features(dev, port);
/* Start up */
- mv_start_edma_engine(port);
+ mv_start_edma_engine(dev, port);
return 0;
}
+
+static ulong sata_mv_read(struct udevice *blk, lbaint_t blknr,
+ lbaint_t blkcnt, void *buffer)
+{
+ struct mv_priv *priv = dev_get_platdata(blk);
+
+ return ata_low_level_rw(blk, priv->dev_nr, blknr, blkcnt,
+ buffer, READ_CMD);
+}
+
+static ulong sata_mv_write(struct udevice *blk, lbaint_t blknr,
+ lbaint_t blkcnt, const void *buffer)
+{
+ struct mv_priv *priv = dev_get_platdata(blk);
+
+ return ata_low_level_rw(blk, priv->dev_nr, blknr, blkcnt,
+ (void *)buffer, WRITE_CMD);
+}
+
+static const struct blk_ops sata_mv_blk_ops = {
+ .read = sata_mv_read,
+ .write = sata_mv_write,
+};
+
+U_BOOT_DRIVER(sata_mv_driver) = {
+ .name = "sata_mv_blk",
+ .id = UCLASS_BLK,
+ .ops = &sata_mv_blk_ops,
+ .platdata_auto_alloc_size = sizeof(struct mv_priv),
+};
+
+static int sata_mv_probe(struct udevice *dev)
+{
+ const void *blob = gd->fdt_blob;
+ int node = dev_of_offset(dev);
+ struct mv_priv *priv;
+ struct udevice *blk;
+ int nr_ports;
+ int ret;
+ int i;
+
+ /* Get number of ports of this SATA controller */
+ nr_ports = min(fdtdec_get_int(blob, node, "nr-ports", -1),
+ CONFIG_SYS_SATA_MAX_DEVICE);
+
+ for (i = 0; i < nr_ports; i++) {
+ ret = blk_create_devicef(dev, "sata_mv_blk", "blk",
+ IF_TYPE_SATA, -1, 512, 0, &blk);
+ if (ret) {
+ debug("Can't create device\n");
+ return ret;
+ }
+
+ priv = dev_get_platdata(blk);
+ priv->dev_nr = i;
+
+ /* Init SATA port */
+ ret = sata_mv_init_sata(blk, i);
+ if (ret) {
+ debug("%s: Failed to init bus\n", __func__);
+ return ret;
+ }
+
+ /* Scan SATA port */
+ ret = sata_mv_scan_sata(blk, i);
+ if (ret) {
+ debug("%s: Failed to scan bus\n", __func__);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int sata_mv_scan(struct udevice *dev)
+{
+ /* Nothing to do here */
+
+ return 0;
+}
+
+static const struct udevice_id sata_mv_ids[] = {
+ { .compatible = "marvell,armada-370-sata" },
+ { }
+};
+
+struct ahci_ops sata_mv_ahci_ops = {
+ .scan = sata_mv_scan,
+};
+
+U_BOOT_DRIVER(sata_mv_ahci) = {
+ .name = "sata_mv_ahci",
+ .id = UCLASS_AHCI,
+ .of_match = sata_mv_ids,
+ .ops = &sata_mv_ahci_ops,
+ .probe = sata_mv_probe,
+};
projects / platform / kernel / u-boot.git / commitdiff