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u-boot/drivers/block/sata_sil.c

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/*
* Copyright (C) 2011 Freescale Semiconductor, Inc.
* Author: Tang Yuantian <b29983@freescale.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <pci.h>
#include <command.h>
#include <asm/byteorder.h>
#include <malloc.h>
#include <asm/io.h>
#include <fis.h>
#include <sata.h>
#include <libata.h>
#include <sata.h>
#include "sata_sil.h"
/* Convert sectorsize to wordsize */
#define ATA_SECTOR_WORDS (ATA_SECT_SIZE/2)
#define virt_to_bus(devno, v) pci_virt_to_mem(devno, (void *) (v))
static struct sata_info sata_info;
static struct pci_device_id supported[] = {
{PCI_VENDOR_ID_SILICONIMAGE, PCI_DEVICE_ID_SIL3131},
{PCI_VENDOR_ID_SILICONIMAGE, PCI_DEVICE_ID_SIL3132},
{PCI_VENDOR_ID_SILICONIMAGE, PCI_DEVICE_ID_SIL3124},
{}
};
static void sil_sata_dump_fis(struct sata_fis_d2h *s)
{
printf("Status FIS dump:\n");
printf("fis_type: %02x\n", s->fis_type);
printf("pm_port_i: %02x\n", s->pm_port_i);
printf("status: %02x\n", s->status);
printf("error: %02x\n", s->error);
printf("lba_low: %02x\n", s->lba_low);
printf("lba_mid: %02x\n", s->lba_mid);
printf("lba_high: %02x\n", s->lba_high);
printf("device: %02x\n", s->device);
printf("lba_low_exp: %02x\n", s->lba_low_exp);
printf("lba_mid_exp: %02x\n", s->lba_mid_exp);
printf("lba_high_exp: %02x\n", s->lba_high_exp);
printf("res1: %02x\n", s->res1);
printf("sector_count: %02x\n", s->sector_count);
printf("sector_count_exp: %02x\n", s->sector_count_exp);
}
static const char *sata_spd_string(unsigned int speed)
{
static const char * const spd_str[] = {
"1.5 Gbps",
"3.0 Gbps",
"6.0 Gbps",
};
if ((speed - 1) > 2)
return "<unknown>";
return spd_str[speed - 1];
}
static u32 ata_wait_register(void *reg, u32 mask,
u32 val, int timeout_msec)
{
u32 tmp;
tmp = readl(reg);
while ((tmp & mask) == val && timeout_msec > 0) {
mdelay(1);
timeout_msec--;
tmp = readl(reg);
}
return tmp;
}
static void sil_config_port(void *port)
{
/* configure IRQ WoC */
writel(PORT_CS_IRQ_WOC, port + PORT_CTRL_CLR);
/* zero error counters. */
writew(0x8000, port + PORT_DECODE_ERR_THRESH);
writew(0x8000, port + PORT_CRC_ERR_THRESH);
writew(0x8000, port + PORT_HSHK_ERR_THRESH);
writew(0x0000, port + PORT_DECODE_ERR_CNT);
writew(0x0000, port + PORT_CRC_ERR_CNT);
writew(0x0000, port + PORT_HSHK_ERR_CNT);
/* always use 64bit activation */
writel(PORT_CS_32BIT_ACTV, port + PORT_CTRL_CLR);
/* clear port multiplier enable and resume bits */
writel(PORT_CS_PMP_EN | PORT_CS_PMP_RESUME, port + PORT_CTRL_CLR);
}
static int sil_init_port(void *port)
{
u32 tmp;
writel(PORT_CS_INIT, port + PORT_CTRL_STAT);
ata_wait_register(port + PORT_CTRL_STAT,
PORT_CS_INIT, PORT_CS_INIT, 100);
tmp = ata_wait_register(port + PORT_CTRL_STAT,
PORT_CS_RDY, 0, 100);
if ((tmp & (PORT_CS_INIT | PORT_CS_RDY)) != PORT_CS_RDY)
return 1;
return 0;
}
static void sil_read_fis(int dev, int tag, struct sata_fis_d2h *fis)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
void *port = sata->port;
struct sil_prb *prb;
int i;
u32 *src, *dst;
prb = port + PORT_LRAM + tag * PORT_LRAM_SLOT_SZ;
src = (u32 *)&prb->fis;
dst = (u32 *)fis;
for (i = 0; i < sizeof(struct sata_fis_h2d); i += 4)
*dst++ = readl(src++);
}
static int sil_exec_cmd(int dev, struct sil_cmd_block *pcmd, int tag)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
void *port = sata->port;
u64 paddr = virt_to_bus(sata->devno, pcmd);
u32 irq_mask, irq_stat;
int rc;
writel(PORT_IRQ_COMPLETE | PORT_IRQ_ERROR, port + PORT_IRQ_ENABLE_CLR);
/* better to add momery barrior here */
writel((u32)paddr, port + PORT_CMD_ACTIVATE + tag * 8);
writel((u64)paddr >> 32, port + PORT_CMD_ACTIVATE + tag * 8 + 4);
irq_mask = (PORT_IRQ_COMPLETE | PORT_IRQ_ERROR) << PORT_IRQ_RAW_SHIFT;
irq_stat = ata_wait_register(port + PORT_IRQ_STAT, irq_mask,
0, 10000);
/* clear IRQs */
writel(irq_mask, port + PORT_IRQ_STAT);
irq_stat >>= PORT_IRQ_RAW_SHIFT;
if (irq_stat & PORT_IRQ_COMPLETE)
rc = 0;
else {
/* force port into known state */
sil_init_port(port);
if (irq_stat & PORT_IRQ_ERROR)
rc = 1; /* error */
else
rc = 2; /* busy */
}
return rc;
}
static int sil_cmd_set_feature(int dev)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
struct sil_cmd_block cmdb, *pcmd = &cmdb;
struct sata_fis_d2h fis;
u8 udma_cap;
int ret;
memset((void *)&cmdb, 0, sizeof(struct sil_cmd_block));
pcmd->prb.fis.fis_type = SATA_FIS_TYPE_REGISTER_H2D;
pcmd->prb.fis.pm_port_c = (1 << 7);
pcmd->prb.fis.command = ATA_CMD_SET_FEATURES;
pcmd->prb.fis.features = SETFEATURES_XFER;
/* First check the device capablity */
udma_cap = (u8)(sata->udma & 0xff);
debug("udma_cap %02x\n", udma_cap);
if (udma_cap == ATA_UDMA6)
pcmd->prb.fis.sector_count = XFER_UDMA_6;
if (udma_cap == ATA_UDMA5)
pcmd->prb.fis.sector_count = XFER_UDMA_5;
if (udma_cap == ATA_UDMA4)
pcmd->prb.fis.sector_count = XFER_UDMA_4;
if (udma_cap == ATA_UDMA3)
pcmd->prb.fis.sector_count = XFER_UDMA_3;
ret = sil_exec_cmd(dev, pcmd, 0);
if (ret) {
sil_read_fis(dev, 0, &fis);
printf("Err: exe cmd(0x%x).\n",
readl(sata->port + PORT_SERROR));
sil_sata_dump_fis(&fis);
return 1;
}
return 0;
}
static int sil_cmd_identify_device(int dev, u16 *id)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
struct sil_cmd_block cmdb, *pcmd = &cmdb;
struct sata_fis_d2h fis;
int ret;
memset((void *)&cmdb, 0, sizeof(struct sil_cmd_block));
pcmd->prb.ctrl = cpu_to_le16(PRB_CTRL_PROTOCOL);
pcmd->prb.prot = cpu_to_le16(PRB_PROT_READ);
pcmd->prb.fis.fis_type = SATA_FIS_TYPE_REGISTER_H2D;
pcmd->prb.fis.pm_port_c = (1 << 7);
pcmd->prb.fis.command = ATA_CMD_ID_ATA;
pcmd->sge.addr = cpu_to_le64(virt_to_bus(sata->devno, id));
pcmd->sge.cnt = cpu_to_le32(sizeof(id[0]) * ATA_ID_WORDS);
pcmd->sge.flags = cpu_to_le32(SGE_TRM);
ret = sil_exec_cmd(dev, pcmd, 0);
if (ret) {
sil_read_fis(dev, 0, &fis);
printf("Err: id cmd(0x%x).\n", readl(sata->port + PORT_SERROR));
sil_sata_dump_fis(&fis);
return 1;
}
ata_swap_buf_le16(id, ATA_ID_WORDS);
return 0;
}
static int sil_cmd_soft_reset(int dev)
{
struct sil_cmd_block cmdb, *pcmd = &cmdb;
struct sil_sata *sata = sata_dev_desc[dev].priv;
struct sata_fis_d2h fis;
void *port = sata->port;
int ret;
/* put the port into known state */
if (sil_init_port(port)) {
printf("SRST: port %d not ready\n", dev);
return 1;
}
memset((void *)&cmdb, 0, sizeof(struct sil_cmd_block));
pcmd->prb.ctrl = cpu_to_le16(PRB_CTRL_SRST);
pcmd->prb.fis.fis_type = SATA_FIS_TYPE_REGISTER_H2D;
pcmd->prb.fis.pm_port_c = 0xf;
ret = sil_exec_cmd(dev, &cmdb, 0);
if (ret) {
sil_read_fis(dev, 0, &fis);
printf("SRST cmd error.\n");
sil_sata_dump_fis(&fis);
return 1;
}
return 0;
}
static ulong sil_sata_rw_cmd(int dev, ulong start, ulong blkcnt,
u8 *buffer, int is_write)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
struct sil_cmd_block cmdb, *pcmd = &cmdb;
struct sata_fis_d2h fis;
u64 block;
int ret;
block = (u64)start;
memset(pcmd, 0, sizeof(struct sil_cmd_block));
pcmd->prb.ctrl = cpu_to_le16(PRB_CTRL_PROTOCOL);
pcmd->prb.fis.fis_type = SATA_FIS_TYPE_REGISTER_H2D;
pcmd->prb.fis.pm_port_c = (1 << 7);
if (is_write) {
pcmd->prb.fis.command = ATA_CMD_WRITE;
pcmd->prb.prot = cpu_to_le16(PRB_PROT_WRITE);
} else {
pcmd->prb.fis.command = ATA_CMD_READ;
pcmd->prb.prot = cpu_to_le16(PRB_PROT_READ);
}
pcmd->prb.fis.device = ATA_LBA;
pcmd->prb.fis.device |= (block >> 24) & 0xf;
pcmd->prb.fis.lba_high = (block >> 16) & 0xff;
pcmd->prb.fis.lba_mid = (block >> 8) & 0xff;
pcmd->prb.fis.lba_low = block & 0xff;
pcmd->prb.fis.sector_count = (u8)blkcnt & 0xff;
pcmd->sge.addr = cpu_to_le64(virt_to_bus(sata->devno, buffer));
pcmd->sge.cnt = cpu_to_le32(blkcnt * ATA_SECT_SIZE);
pcmd->sge.flags = cpu_to_le32(SGE_TRM);
ret = sil_exec_cmd(dev, pcmd, 0);
if (ret) {
sil_read_fis(dev, 0, &fis);
printf("Err: rw cmd(0x%08x).\n",
readl(sata->port + PORT_SERROR));
sil_sata_dump_fis(&fis);
return 1;
}
return blkcnt;
}
static ulong sil_sata_rw_cmd_ext(int dev, ulong start, ulong blkcnt,
u8 *buffer, int is_write)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
struct sil_cmd_block cmdb, *pcmd = &cmdb;
struct sata_fis_d2h fis;
u64 block;
int ret;
block = (u64)start;
memset(pcmd, 0, sizeof(struct sil_cmd_block));
pcmd->prb.ctrl = cpu_to_le16(PRB_CTRL_PROTOCOL);
pcmd->prb.fis.fis_type = SATA_FIS_TYPE_REGISTER_H2D;
pcmd->prb.fis.pm_port_c = (1 << 7);
if (is_write) {
pcmd->prb.fis.command = ATA_CMD_WRITE_EXT;
pcmd->prb.prot = cpu_to_le16(PRB_PROT_WRITE);
} else {
pcmd->prb.fis.command = ATA_CMD_READ_EXT;
pcmd->prb.prot = cpu_to_le16(PRB_PROT_READ);
}
pcmd->prb.fis.lba_high_exp = (block >> 40) & 0xff;
pcmd->prb.fis.lba_mid_exp = (block >> 32) & 0xff;
pcmd->prb.fis.lba_low_exp = (block >> 24) & 0xff;
pcmd->prb.fis.lba_high = (block >> 16) & 0xff;
pcmd->prb.fis.lba_mid = (block >> 8) & 0xff;
pcmd->prb.fis.lba_low = block & 0xff;
pcmd->prb.fis.device = ATA_LBA;
pcmd->prb.fis.sector_count_exp = (blkcnt >> 8) & 0xff;
pcmd->prb.fis.sector_count = blkcnt & 0xff;
pcmd->sge.addr = cpu_to_le64(virt_to_bus(sata->devno, buffer));
pcmd->sge.cnt = cpu_to_le32(blkcnt * ATA_SECT_SIZE);
pcmd->sge.flags = cpu_to_le32(SGE_TRM);
ret = sil_exec_cmd(dev, pcmd, 0);
if (ret) {
sil_read_fis(dev, 0, &fis);
printf("Err: rw ext cmd(0x%08x).\n",
readl(sata->port + PORT_SERROR));
sil_sata_dump_fis(&fis);
return 1;
}
return blkcnt;
}
static ulong sil_sata_rw_lba28(int dev, ulong blknr, lbaint_t blkcnt,
const void *buffer, int is_write)
{
ulong start, blks, max_blks;
u8 *addr;
start = blknr;
blks = blkcnt;
addr = (u8 *)buffer;
max_blks = ATA_MAX_SECTORS;
do {
if (blks > max_blks) {
sil_sata_rw_cmd(dev, start, max_blks, addr, is_write);
start += max_blks;
blks -= max_blks;
addr += ATA_SECT_SIZE * max_blks;
} else {
sil_sata_rw_cmd(dev, start, blks, addr, is_write);
start += blks;
blks = 0;
addr += ATA_SECT_SIZE * blks;
}
} while (blks != 0);
return blkcnt;
}
static ulong sil_sata_rw_lba48(int dev, ulong blknr, lbaint_t blkcnt,
const void *buffer, int is_write)
{
ulong start, blks, max_blks;
u8 *addr;
start = blknr;
blks = blkcnt;
addr = (u8 *)buffer;
max_blks = ATA_MAX_SECTORS_LBA48;
do {
if (blks > max_blks) {
sil_sata_rw_cmd_ext(dev, start, max_blks,
addr, is_write);
start += max_blks;
blks -= max_blks;
addr += ATA_SECT_SIZE * max_blks;
} else {
sil_sata_rw_cmd_ext(dev, start, blks,
addr, is_write);
start += blks;
blks = 0;
addr += ATA_SECT_SIZE * blks;
}
} while (blks != 0);
return blkcnt;
}
static void sil_sata_cmd_flush_cache(int dev)
{
struct sil_cmd_block cmdb, *pcmd = &cmdb;
memset((void *)pcmd, 0, sizeof(struct sil_cmd_block));
pcmd->prb.fis.fis_type = SATA_FIS_TYPE_REGISTER_H2D;
pcmd->prb.fis.pm_port_c = (1 << 7);
pcmd->prb.fis.command = ATA_CMD_FLUSH;
sil_exec_cmd(dev, pcmd, 0);
}
static void sil_sata_cmd_flush_cache_ext(int dev)
{
struct sil_cmd_block cmdb, *pcmd = &cmdb;
memset((void *)pcmd, 0, sizeof(struct sil_cmd_block));
pcmd->prb.fis.fis_type = SATA_FIS_TYPE_REGISTER_H2D;
pcmd->prb.fis.pm_port_c = (1 << 7);
pcmd->prb.fis.command = ATA_CMD_FLUSH_EXT;
sil_exec_cmd(dev, pcmd, 0);
}
static void sil_sata_init_wcache(int dev, u16 *id)
{
struct sil_sata *sata = 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 sil_sata_get_wcache(int dev)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
return sata->wcache;
}
static int sil_sata_get_flush(int dev)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
return sata->flush;
}
static int sil_sata_get_flush_ext(int dev)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
return sata->flush_ext;
}
/*
* SATA interface between low level driver and command layer
*/
ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
ulong rc;
if (sata->lba48)
rc = sil_sata_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD);
else
rc = sil_sata_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD);
return rc;
}
/*
* SATA interface between low level driver and command layer
*/
ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer)
{
struct sil_sata *sata = sata_dev_desc[dev].priv;
ulong rc;
if (sata->lba48) {
rc = sil_sata_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD);
if (sil_sata_get_wcache(dev) && sil_sata_get_flush_ext(dev))
sil_sata_cmd_flush_cache_ext(dev);
} else {
rc = sil_sata_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD);
if (sil_sata_get_wcache(dev) && sil_sata_get_flush(dev))
sil_sata_cmd_flush_cache(dev);
}
return rc;
}
/*
* SATA interface between low level driver and command layer
*/
int init_sata(int dev)
{
static int init_done, idx;
pci_dev_t devno;
u16 word;
if (init_done == 1 && dev < sata_info.maxport)
return 0;
init_done = 1;
/* Find PCI device(s) */
devno = pci_find_devices(supported, idx++);
if (devno == -1)
return 1;
pci_read_config_word(devno, PCI_DEVICE_ID, &word);
/* get the port count */
word &= 0xf;
sata_info.portbase = sata_info.maxport;
sata_info.maxport = sata_info.portbase + word;
sata_info.devno = devno;
/* Read out all BARs */
sata_info.iobase[0] = (ulong)pci_map_bar(devno,
PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
sata_info.iobase[1] = (ulong)pci_map_bar(devno,
PCI_BASE_ADDRESS_2, PCI_REGION_MEM);
sata_info.iobase[2] = (ulong)pci_map_bar(devno,
PCI_BASE_ADDRESS_4, PCI_REGION_MEM);
/* mask out the unused bits */
sata_info.iobase[0] &= 0xffffff80;
sata_info.iobase[1] &= 0xfffffc00;
sata_info.iobase[2] &= 0xffffff80;
/* Enable Bus Mastering and memory region */
pci_write_config_word(devno, PCI_COMMAND,
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
/* Check if mem accesses and Bus Mastering are enabled. */
pci_read_config_word(devno, PCI_COMMAND, &word);
if (!(word & PCI_COMMAND_MEMORY) ||
(!(word & PCI_COMMAND_MASTER))) {
printf("Error: Can not enable MEM access or Bus Mastering.\n");
debug("PCI command: %04x\n", word);
return 1;
}
/* GPIO off */
writel(0, (void *)(sata_info.iobase[0] + HOST_FLASH_CMD));
/* clear global reset & mask interrupts during initialization */
writel(0, (void *)(sata_info.iobase[0] + HOST_CTRL));
return 0;
}
int reset_sata(int dev)
{
return 0;
}
/*
* SATA interface between low level driver and command layer
*/
int scan_sata(int 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];
struct sil_sata *sata;
void *port;
int cnt;
u16 *id;
u32 tmp;
if (dev >= sata_info.maxport) {
printf("SATA#%d is not present\n", dev);
return 1;
}
printf("SATA#%d\n", dev);
port = (void *)sata_info.iobase[1] +
PORT_REGS_SIZE * (dev - sata_info.portbase);
/* Initial PHY setting */
writel(0x20c, port + PORT_PHY_CFG);
/* clear port RST */
tmp = readl(port + PORT_CTRL_STAT);
if (tmp & PORT_CS_PORT_RST) {
writel(PORT_CS_PORT_RST, port + PORT_CTRL_CLR);
tmp = ata_wait_register(port + PORT_CTRL_STAT,
PORT_CS_PORT_RST, PORT_CS_PORT_RST, 100);
if (tmp & PORT_CS_PORT_RST)
printf("Err: Failed to clear port RST\n");
}
/* Check if device is present */
for (cnt = 0; cnt < 100; cnt++) {
tmp = readl(port + PORT_SSTATUS);
if ((tmp & 0xF) == 0x3)
break;
mdelay(1);
}
tmp = readl(port + PORT_SSTATUS);
if ((tmp & 0xf) != 0x3) {
printf(" (No RDY)\n");
return 1;
}
/* Wait for port ready */
tmp = ata_wait_register(port + PORT_CTRL_STAT,
PORT_CS_RDY, PORT_CS_RDY, 100);
if ((tmp & PORT_CS_RDY) != PORT_CS_RDY) {
printf("%d port not ready.\n", dev);
return 1;
}
/* configure port */
sil_config_port(port);
/* Reset port */
writel(PORT_CS_DEV_RST, port + PORT_CTRL_STAT);
readl(port + PORT_CTRL_STAT);
tmp = ata_wait_register(port + PORT_CTRL_STAT, PORT_CS_DEV_RST,
PORT_CS_DEV_RST, 100);
if (tmp & PORT_CS_DEV_RST) {
printf("%d port reset failed.\n", dev);
return 1;
}
sata = (struct sil_sata *)malloc(sizeof(struct sil_sata));
if (!sata) {
printf("%d no memory.\n", dev);
return 1;
}
memset((void *)sata, 0, sizeof(struct sil_sata));
/* turn on port interrupt */
tmp = readl((void *)(sata_info.iobase[0] + HOST_CTRL));
tmp |= (1 << (dev - sata_info.portbase));
writel(tmp, (void *)(sata_info.iobase[0] + HOST_CTRL));
/* Save the private struct to block device struct */
sata_dev_desc[dev].priv = (void *)sata;
sata->port = port;
sata->devno = sata_info.devno;
sprintf(sata->name, "SATA#%d", dev);
sil_cmd_soft_reset(dev);
tmp = readl(port + PORT_SSTATUS);
tmp = (tmp >> 4) & 0xf;
printf(" (%s)\n", sata_spd_string(tmp));
id = (u16 *)malloc(ATA_ID_WORDS * 2);
if (!id) {
printf("Id malloc failed\n");
free((void *)sata);
return 1;
}
sil_cmd_identify_device(dev, id);
#ifdef CONFIG_LBA48
/* Check if support LBA48 */
if (ata_id_has_lba48(id)) {
sata_dev_desc[dev].lba48 = 1;
sata->lba48 = 1;
debug("Device supports LBA48\n");
} else
debug("Device supports LBA28\n");
#endif
/* 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 */
sata_dev_desc[dev].lba = ata_id_n_sectors(id);
sil_sata_init_wcache(dev, id);
sil_cmd_set_feature(dev);
#ifdef DEBUG
sil_cmd_identify_device(dev, id);
ata_dump_id(id);
#endif
free((void *)id);
return 0;
}
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