+++ /dev/null
-/*
- * Copyright (C) Procsys. All rights reserved.
- * Author: Mushtaq Khan <mushtaq_k@procsys.com>
- * <mushtaqk_921@yahoo.co.in>
- *
- * SPDX-License-Identifier: GPL-2.0+
- *
- * with the reference to ata_piix driver in kernel 2.4.32
- */
-
-/*
- * This file contains SATA controller and SATA drive initialization functions
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <pci.h>
-#include <command.h>
-#include <config.h>
-#include <asm/byteorder.h>
-#include <part.h>
-#include <ide.h>
-#include <ata.h>
-#include <sata.h>
-
-#define DEBUG_SATA 0 /* For debug prints set DEBUG_SATA to 1 */
-
-#define SATA_DECL
-#define DRV_DECL /* For file specific declarations */
-#include "ata_piix.h"
-
-/* Macros realted to PCI */
-#define PCI_SATA_BUS 0x00
-#define PCI_SATA_DEV 0x1f
-#define PCI_SATA_FUNC 0x02
-
-#define PCI_SATA_BASE1 0x10
-#define PCI_SATA_BASE2 0x14
-#define PCI_SATA_BASE3 0x18
-#define PCI_SATA_BASE4 0x1c
-#define PCI_SATA_BASE5 0x20
-#define PCI_PMR 0x90
-#define PCI_PI 0x09
-#define PCI_PCS 0x92
-#define PCI_DMA_CTL 0x48
-
-#define PORT_PRESENT (1<<0)
-#define PORT_ENABLED (1<<4)
-
-u32 bdf;
-u32 iobase1; /* Primary cmd block */
-u32 iobase2; /* Primary ctl block */
-u32 iobase3; /* Sec cmd block */
-u32 iobase4; /* sec ctl block */
-u32 iobase5; /* BMDMA*/
-
-int pci_sata_init(void)
-{
- u32 bus = PCI_SATA_BUS;
- u32 dev = PCI_SATA_DEV;
- u32 fun = PCI_SATA_FUNC;
- u16 cmd = 0;
- u8 lat = 0, pcibios_max_latency = 0xff;
- u8 pmr; /* Port mapping reg */
- u8 pi; /* Prgming Interface reg */
-
- bdf = PCI_BDF(bus, dev, fun);
- pci_read_config_dword(bdf, PCI_SATA_BASE1, &iobase1);
- pci_read_config_dword(bdf, PCI_SATA_BASE2, &iobase2);
- pci_read_config_dword(bdf, PCI_SATA_BASE3, &iobase3);
- pci_read_config_dword(bdf, PCI_SATA_BASE4, &iobase4);
- pci_read_config_dword(bdf, PCI_SATA_BASE5, &iobase5);
-
- if ((iobase1 == 0xFFFFFFFF) || (iobase2 == 0xFFFFFFFF) ||
- (iobase3 == 0xFFFFFFFF) || (iobase4 == 0xFFFFFFFF) ||
- (iobase5 == 0xFFFFFFFF)) {
- /* ERROR */
- printf("error no base addr for SATA controller\n");
- return 1;
- }
-
- iobase1 &= 0xFFFFFFFE;
- iobase2 &= 0xFFFFFFFE;
- iobase3 &= 0xFFFFFFFE;
- iobase4 &= 0xFFFFFFFE;
- iobase5 &= 0xFFFFFFFE;
-
- /* check for mode */
- pci_read_config_byte(bdf, PCI_PMR, &pmr);
- if (pmr > 1) {
- puts("combined mode not supported\n");
- return 1;
- }
-
- pci_read_config_byte(bdf, PCI_PI, &pi);
- if ((pi & 0x05) != 0x05) {
- puts("Sata is in Legacy mode\n");
- return 1;
- } else
- puts("sata is in Native mode\n");
-
- /* MASTER CFG AND IO CFG */
- pci_read_config_word(bdf, PCI_COMMAND, &cmd);
- cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_IO;
- pci_write_config_word(bdf, PCI_COMMAND, cmd);
- pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
-
- if (lat < 16)
- lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency;
- else if (lat > pcibios_max_latency)
- lat = pcibios_max_latency;
- pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
-
- return 0;
-}
-
-int sata_bus_probe(int port_no)
-{
- int orig_mask, mask;
- u16 pcs;
-
- mask = (PORT_PRESENT << port_no);
- pci_read_config_word(bdf, PCI_PCS, &pcs);
- orig_mask = (int) pcs & 0xff;
- if ((orig_mask & mask) != mask)
- return 0;
- else
- return 1;
-}
-
-int init_sata(int dev)
-{
- static int done;
- u8 i, rv = 0;
-
- if (!done)
- done = 1;
- else
- return 0;
-
- rv = pci_sata_init();
- if (rv == 1) {
- puts("pci initialization failed\n");
- return 1;
- }
-
- port[0].port_no = 0;
- port[0].ioaddr.cmd_addr = iobase1;
- port[0].ioaddr.altstatus_addr = port[0].ioaddr.ctl_addr =
- iobase2 | ATA_PCI_CTL_OFS;
- port[0].ioaddr.bmdma_addr = iobase5;
-
- port[1].port_no = 1;
- port[1].ioaddr.cmd_addr = iobase3;
- port[1].ioaddr.altstatus_addr = port[1].ioaddr.ctl_addr =
- iobase4 | ATA_PCI_CTL_OFS;
- port[1].ioaddr.bmdma_addr = iobase5 + 0x8;
-
- for (i = 0; i < CONFIG_SYS_SATA_MAXBUS; i++)
- sata_port(&port[i].ioaddr);
-
- for (i = 0; i < CONFIG_SYS_SATA_MAXBUS; i++) {
- if (!(sata_bus_probe(i))) {
- port[i].port_state = 0;
- printf("SATA#%d port is not present\n", i);
- } else {
- printf("SATA#%d port is present\n", i);
- if (sata_bus_softreset(i))
- port[i].port_state = 0;
- else
- port[i].port_state = 1;
- }
- }
-
- for (i = 0; i < CONFIG_SYS_SATA_MAXBUS; i++) {
- u8 j, devno;
-
- if (port[i].port_state == 0)
- continue;
- for (j = 0; j < CONFIG_SYS_SATA_DEVS_PER_BUS; j++) {
- sata_identify(i, j);
- set_Feature_cmd(i, j);
- devno = i * CONFIG_SYS_SATA_DEVS_PER_BUS + j;
- if ((sata_dev_desc[devno].lba > 0) &&
- (sata_dev_desc[devno].blksz > 0)) {
- dev_print(&sata_dev_desc[devno]);
- /* initialize partition type */
- init_part(&sata_dev_desc[devno]);
- }
- }
- }
- return 0;
-}
-
-int reset_sata(int dev)
-{
- return 0;
-}
-
-static inline u8 sata_inb(unsigned long ioaddr)
-{
- return inb(ioaddr);
-}
-
-static inline void sata_outb(unsigned char val, unsigned long ioaddr)
-{
- outb(val, ioaddr);
-}
-
-static void output_data(struct sata_ioports *ioaddr, ulong * sect_buf,
- int words)
-{
- outsw(ioaddr->data_addr, sect_buf, words << 1);
-}
-
-static int input_data(struct sata_ioports *ioaddr, ulong * sect_buf, int words)
-{
- insw(ioaddr->data_addr, sect_buf, words << 1);
- return 0;
-}
-
-static void sata_cpy(unsigned char *dst, unsigned char *src, unsigned int len)
-{
- unsigned char *end, *last;
-
- last = dst;
- end = src + len - 1;
-
- /* reserve space for '\0' */
- if (len < 2)
- goto OUT;
-
- /* skip leading white space */
- while ((*src) && (src < end) && (*src == ' '))
- ++src;
-
- /* copy string, omitting trailing white space */
- while ((*src) && (src < end)) {
- *dst++ = *src;
- if (*src++ != ' ')
- last = dst;
- }
-OUT:
- *last = '\0';
-}
-
-int sata_bus_softreset(int num)
-{
- u8 dev = 0, status = 0, i;
-
- port[num].dev_mask = 0;
-
- for (i = 0; i < CONFIG_SYS_SATA_DEVS_PER_BUS; i++) {
- if (!(sata_devchk(&port[num].ioaddr, i))) {
- debug("dev_chk failed for dev#%d\n", i);
- } else {
- port[num].dev_mask |= (1 << i);
- debug("dev_chk passed for dev#%d\n", i);
- }
- }
-
- if (!(port[num].dev_mask)) {
- printf("no devices on port%d\n", num);
- return 1;
- }
-
- dev_select(&port[num].ioaddr, dev);
-
- port[num].ctl_reg = 0x08; /* Default value of control reg */
- sata_outb(port[num].ctl_reg, port[num].ioaddr.ctl_addr);
- udelay(10);
- sata_outb(port[num].ctl_reg | ATA_SRST, port[num].ioaddr.ctl_addr);
- udelay(10);
- sata_outb(port[num].ctl_reg, port[num].ioaddr.ctl_addr);
-
- /*
- * spec mandates ">= 2ms" before checking status.
- * We wait 150ms, because that was the magic delay used for
- * ATAPI devices in Hale Landis's ATADRVR, for the period of time
- * between when the ATA command register is written, and then
- * status is checked. Because waiting for "a while" before
- * checking status is fine, post SRST, we perform this magic
- * delay here as well.
- */
- mdelay(150);
- status = sata_busy_wait(&port[num].ioaddr, ATA_BUSY, 300);
- while ((status & ATA_BUSY)) {
- mdelay(100);
- status = sata_busy_wait(&port[num].ioaddr, ATA_BUSY, 3);
- }
-
- if (status & ATA_BUSY)
- printf("ata%u is slow to respond,plz be patient\n", num);
-
- while ((status & ATA_BUSY)) {
- mdelay(100);
- status = sata_chk_status(&port[num].ioaddr);
- }
-
- if (status & ATA_BUSY) {
- printf("ata%u failed to respond : bus reset failed\n", num);
- return 1;
- }
- return 0;
-}
-
-void sata_identify(int num, int dev)
-{
- u8 cmd = 0, status = 0;
- u8 devno = num * CONFIG_SYS_SATA_DEVS_PER_BUS + dev;
- u16 iobuf[ATA_SECT_SIZE];
- u64 n_sectors = 0;
- u8 mask = 0;
-
- memset(iobuf, 0, sizeof(iobuf));
- hd_driveid_t *iop = (hd_driveid_t *) iobuf;
-
- if (dev == 0)
- mask = 0x01;
- else
- mask = 0x02;
-
- if (!(port[num].dev_mask & mask)) {
- printf("dev%d is not present on port#%d\n", dev, num);
- return;
- }
-
- printf("port=%d dev=%d\n", num, dev);
-
- dev_select(&port[num].ioaddr, dev);
-
- status = 0;
- cmd = ATA_CMD_IDENT; /* Device Identify Command */
- sata_outb(cmd, port[num].ioaddr.command_addr);
- sata_inb(port[num].ioaddr.altstatus_addr);
- udelay(10);
-
- status = sata_busy_wait(&port[num].ioaddr, ATA_BUSY, 1000);
- if (status & ATA_ERR) {
- puts("\ndevice not responding\n");
- port[num].dev_mask &= ~mask;
- return;
- }
-
- input_data(&port[num].ioaddr, (ulong *) iobuf, ATA_SECTORWORDS);
-
- debug("\nata%u: dev %u cfg 49:%04x 82:%04x 83:%04x 84:%04x85:%04x"
- "86:%04x" "87:%04x 88:%04x\n", num, dev, iobuf[49],
- iobuf[82], iobuf[83], iobuf[84], iobuf[85], iobuf[86],
- iobuf[87], iobuf[88]);
-
- /* we require LBA and DMA support (bits 8 & 9 of word 49) */
- if (!ata_id_has_dma(iobuf) || !ata_id_has_lba(iobuf))
- debug("ata%u: no dma/lba\n", num);
- ata_dump_id(iobuf);
-
- if (ata_id_has_lba48(iobuf))
- n_sectors = ata_id_u64(iobuf, 100);
- else
- n_sectors = ata_id_u32(iobuf, 60);
- debug("no. of sectors %u\n", ata_id_u64(iobuf, 100));
- debug("no. of sectors %u\n", ata_id_u32(iobuf, 60));
-
- if (n_sectors == 0) {
- port[num].dev_mask &= ~mask;
- return;
- }
-
- sata_cpy((unsigned char *)sata_dev_desc[devno].revision, iop->fw_rev,
- sizeof(sata_dev_desc[devno].revision));
- sata_cpy((unsigned char *)sata_dev_desc[devno].vendor, iop->model,
- sizeof(sata_dev_desc[devno].vendor));
- sata_cpy((unsigned char *)sata_dev_desc[devno].product, iop->serial_no,
- sizeof(sata_dev_desc[devno].product));
- strswab(sata_dev_desc[devno].revision);
- strswab(sata_dev_desc[devno].vendor);
-
- if ((iop->config & 0x0080) == 0x0080)
- sata_dev_desc[devno].removable = 1;
- else
- sata_dev_desc[devno].removable = 0;
-
- sata_dev_desc[devno].lba = iop->lba_capacity;
- debug("lba=0x%x", sata_dev_desc[devno].lba);
-
-#ifdef CONFIG_LBA48
- if (iop->command_set_2 & 0x0400) {
- sata_dev_desc[devno].lba48 = 1;
- lba = (unsigned long long) iop->lba48_capacity[0] |
- ((unsigned long long) iop->lba48_capacity[1] << 16) |
- ((unsigned long long) iop->lba48_capacity[2] << 32) |
- ((unsigned long long) iop->lba48_capacity[3] << 48);
- } else {
- sata_dev_desc[devno].lba48 = 0;
- }
-#endif
-
- /* assuming HD */
- sata_dev_desc[devno].type = DEV_TYPE_HARDDISK;
- sata_dev_desc[devno].blksz = ATA_BLOCKSIZE;
- sata_dev_desc[devno].log2blksz = LOG2(sata_dev_desc[devno].blksz);
- sata_dev_desc[devno].lun = 0; /* just to fill something in... */
-}
-
-void set_Feature_cmd(int num, int dev)
-{
- u8 mask = 0x00, status = 0;
-
- if (dev == 0)
- mask = 0x01;
- else
- mask = 0x02;
-
- if (!(port[num].dev_mask & mask)) {
- debug("dev%d is not present on port#%d\n", dev, num);
- return;
- }
-
- dev_select(&port[num].ioaddr, dev);
-
- sata_outb(SETFEATURES_XFER, port[num].ioaddr.feature_addr);
- sata_outb(XFER_PIO_4, port[num].ioaddr.nsect_addr);
- sata_outb(0, port[num].ioaddr.lbal_addr);
- sata_outb(0, port[num].ioaddr.lbam_addr);
- sata_outb(0, port[num].ioaddr.lbah_addr);
-
- sata_outb(ATA_DEVICE_OBS, port[num].ioaddr.device_addr);
- sata_outb(ATA_CMD_SETF, port[num].ioaddr.command_addr);
-
- udelay(50);
- mdelay(150);
-
- status = sata_busy_wait(&port[num].ioaddr, ATA_BUSY, 5000);
- if ((status & (ATA_STAT_BUSY | ATA_STAT_ERR))) {
- printf("Error : status 0x%02x\n", status);
- port[num].dev_mask &= ~mask;
- }
-}
-
-void sata_port(struct sata_ioports *ioport)
-{
- ioport->data_addr = ioport->cmd_addr + ATA_REG_DATA;
- ioport->error_addr = ioport->cmd_addr + ATA_REG_ERR;
- ioport->feature_addr = ioport->cmd_addr + ATA_REG_FEATURE;
- ioport->nsect_addr = ioport->cmd_addr + ATA_REG_NSECT;
- ioport->lbal_addr = ioport->cmd_addr + ATA_REG_LBAL;
- ioport->lbam_addr = ioport->cmd_addr + ATA_REG_LBAM;
- ioport->lbah_addr = ioport->cmd_addr + ATA_REG_LBAH;
- ioport->device_addr = ioport->cmd_addr + ATA_REG_DEVICE;
- ioport->status_addr = ioport->cmd_addr + ATA_REG_STATUS;
- ioport->command_addr = ioport->cmd_addr + ATA_REG_CMD;
-}
-
-int sata_devchk(struct sata_ioports *ioaddr, int dev)
-{
- u8 nsect, lbal;
-
- dev_select(ioaddr, dev);
-
- sata_outb(0x55, ioaddr->nsect_addr);
- sata_outb(0xaa, ioaddr->lbal_addr);
-
- sata_outb(0xaa, ioaddr->nsect_addr);
- sata_outb(0x55, ioaddr->lbal_addr);
-
- sata_outb(0x55, ioaddr->nsect_addr);
- sata_outb(0xaa, ioaddr->lbal_addr);
-
- nsect = sata_inb(ioaddr->nsect_addr);
- lbal = sata_inb(ioaddr->lbal_addr);
-
- if ((nsect == 0x55) && (lbal == 0xaa))
- return 1; /* we found a device */
- else
- return 0; /* nothing found */
-}
-
-void dev_select(struct sata_ioports *ioaddr, int dev)
-{
- u8 tmp = 0;
-
- if (dev == 0)
- tmp = ATA_DEVICE_OBS;
- else
- tmp = ATA_DEVICE_OBS | ATA_DEV1;
-
- sata_outb(tmp, ioaddr->device_addr);
- sata_inb(ioaddr->altstatus_addr);
- udelay(5);
-}
-
-u8 sata_busy_wait(struct sata_ioports *ioaddr, int bits, unsigned int max)
-{
- u8 status;
-
- do {
- udelay(1000);
- status = sata_chk_status(ioaddr);
- max--;
- } while ((status & bits) && (max > 0));
-
- return status;
-}
-
-u8 sata_chk_status(struct sata_ioports *ioaddr)
-{
- return sata_inb(ioaddr->status_addr);
-}
-
-
-ulong sata_read(int device, ulong blknr, lbaint_t blkcnt, void *buff)
-{
- ulong n = 0, *buffer = (ulong *)buff;
- u8 dev = 0, num = 0, mask = 0, status = 0;
-
-#ifdef CONFIG_LBA48
- unsigned char lba48 = 0;
-
- if (blknr & 0x0000fffff0000000) {
- if (!sata_dev_desc[devno].lba48) {
- printf("Drive doesn't support 48-bit addressing\n");
- return 0;
- }
- /* more than 28 bits used, use 48bit mode */
- lba48 = 1;
- }
-#endif
- /* Port Number */
- num = device / CONFIG_SYS_SATA_DEVS_PER_BUS;
- /* dev on the port */
- if (device >= CONFIG_SYS_SATA_DEVS_PER_BUS)
- dev = device - CONFIG_SYS_SATA_DEVS_PER_BUS;
- else
- dev = device;
-
- if (dev == 0)
- mask = 0x01;
- else
- mask = 0x02;
-
- if (!(port[num].dev_mask & mask)) {
- printf("dev%d is not present on port#%d\n", dev, num);
- return 0;
- }
-
- /* Select device */
- dev_select(&port[num].ioaddr, dev);
-
- status = sata_busy_wait(&port[num].ioaddr, ATA_BUSY, 500);
- if (status & ATA_BUSY) {
- printf("ata%u failed to respond\n", port[num].port_no);
- return n;
- }
- while (blkcnt-- > 0) {
- status = sata_busy_wait(&port[num].ioaddr, ATA_BUSY, 500);
- if (status & ATA_BUSY) {
- printf("ata%u failed to respond\n", 0);
- return n;
- }
-#ifdef CONFIG_LBA48
- if (lba48) {
- /* write high bits */
- sata_outb(0, port[num].ioaddr.nsect_addr);
- sata_outb((blknr >> 24) & 0xFF,
- port[num].ioaddr.lbal_addr);
- sata_outb((blknr >> 32) & 0xFF,
- port[num].ioaddr.lbam_addr);
- sata_outb((blknr >> 40) & 0xFF,
- port[num].ioaddr.lbah_addr);
- }
-#endif
- sata_outb(1, port[num].ioaddr.nsect_addr);
- sata_outb(((blknr) >> 0) & 0xFF,
- port[num].ioaddr.lbal_addr);
- sata_outb((blknr >> 8) & 0xFF, port[num].ioaddr.lbam_addr);
- sata_outb((blknr >> 16) & 0xFF, port[num].ioaddr.lbah_addr);
-
-#ifdef CONFIG_LBA48
- if (lba48) {
- sata_outb(ATA_LBA, port[num].ioaddr.device_addr);
- sata_outb(ATA_CMD_READ_EXT,
- port[num].ioaddr.command_addr);
- } else
-#endif
- {
- sata_outb(ATA_LBA | ((blknr >> 24) & 0xF),
- port[num].ioaddr.device_addr);
- sata_outb(ATA_CMD_READ,
- port[num].ioaddr.command_addr);
- }
-
- mdelay(50);
- /* may take up to 4 sec */
- status = sata_busy_wait(&port[num].ioaddr, ATA_BUSY, 4000);
-
- if ((status & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR))
- != ATA_STAT_DRQ) {
- u8 err = 0;
-
- printf("Error no DRQ dev %d blk %ld: sts 0x%02x\n",
- device, (ulong) blknr, status);
- err = sata_inb(port[num].ioaddr.error_addr);
- printf("Error reg = 0x%x\n", err);
- return n;
- }
- input_data(&port[num].ioaddr, buffer, ATA_SECTORWORDS);
- sata_inb(port[num].ioaddr.altstatus_addr);
- udelay(50);
-
- ++n;
- ++blknr;
- buffer += ATA_SECTORWORDS;
- }
- return n;
-}
-
-ulong sata_write(int device, ulong blknr, lbaint_t blkcnt, const void *buff)
-{
- ulong n = 0, *buffer = (ulong *)buff;
- unsigned char status = 0, num = 0, dev = 0, mask = 0;
-
-#ifdef CONFIG_LBA48
- unsigned char lba48 = 0;
-
- if (blknr & 0x0000fffff0000000) {
- if (!sata_dev_desc[devno].lba48) {
- printf("Drive doesn't support 48-bit addressing\n");
- return 0;
- }
- /* more than 28 bits used, use 48bit mode */
- lba48 = 1;
- }
-#endif
- /* Port Number */
- num = device / CONFIG_SYS_SATA_DEVS_PER_BUS;
- /* dev on the Port */
- if (device >= CONFIG_SYS_SATA_DEVS_PER_BUS)
- dev = device - CONFIG_SYS_SATA_DEVS_PER_BUS;
- else
- dev = device;
-
- if (dev == 0)
- mask = 0x01;
- else
- mask = 0x02;
-
- /* Select device */
- dev_select(&port[num].ioaddr, dev);
-
- status = sata_busy_wait(&port[num].ioaddr, ATA_BUSY, 500);
- if (status & ATA_BUSY) {
- printf("ata%u failed to respond\n", port[num].port_no);
- return n;
- }
-
- while (blkcnt-- > 0) {
- status = sata_busy_wait(&port[num].ioaddr, ATA_BUSY, 500);
- if (status & ATA_BUSY) {
- printf("ata%u failed to respond\n",
- port[num].port_no);
- return n;
- }
-#ifdef CONFIG_LBA48
- if (lba48) {
- /* write high bits */
- sata_outb(0, port[num].ioaddr.nsect_addr);
- sata_outb((blknr >> 24) & 0xFF,
- port[num].ioaddr.lbal_addr);
- sata_outb((blknr >> 32) & 0xFF,
- port[num].ioaddr.lbam_addr);
- sata_outb((blknr >> 40) & 0xFF,
- port[num].ioaddr.lbah_addr);
- }
-#endif
- sata_outb(1, port[num].ioaddr.nsect_addr);
- sata_outb((blknr >> 0) & 0xFF, port[num].ioaddr.lbal_addr);
- sata_outb((blknr >> 8) & 0xFF, port[num].ioaddr.lbam_addr);
- sata_outb((blknr >> 16) & 0xFF, port[num].ioaddr.lbah_addr);
-#ifdef CONFIG_LBA48
- if (lba48) {
- sata_outb(ATA_LBA, port[num].ioaddr.device_addr);
- sata_outb(ATA_CMD_WRITE_EXT,
- port[num].ioaddr.command_addr);
- } else
-#endif
- {
- sata_outb(ATA_LBA | ((blknr >> 24) & 0xF),
- port[num].ioaddr.device_addr);
- sata_outb(ATA_CMD_WRITE,
- port[num].ioaddr.command_addr);
- }
-
- mdelay(50);
- /* may take up to 4 sec */
- status = sata_busy_wait(&port[num].ioaddr, ATA_BUSY, 4000);
- if ((status & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR))
- != ATA_STAT_DRQ) {
- printf("Error no DRQ dev %d blk %ld: sts 0x%02x\n",
- device, (ulong) blknr, status);
- return n;
- }
-
- output_data(&port[num].ioaddr, buffer, ATA_SECTORWORDS);
- sata_inb(port[num].ioaddr.altstatus_addr);
- udelay(50);
-
- ++n;
- ++blknr;
- buffer += ATA_SECTORWORDS;
- }
- return n;
-}
-
-int scan_sata(int dev)
-{
- return 0;
-}
projects / u-boot / commitdiff