+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) Excito Elektronik i Skåne AB, All rights reserved.
- * Author: Tor Krill <tor@excito.com>
- *
- * This is a driver for Silicon Image sil3114 sata chip modelled on
- * the ata_piix driver
- */
-
-#include <common.h>
-#include <blk.h>
-#include <log.h>
-#include <part.h>
-#include <pci.h>
-#include <command.h>
-#include <config.h>
-#include <asm/byteorder.h>
-#include <asm/io.h>
-#include <ide.h>
-#include <sata.h>
-#include <libata.h>
-#include <linux/delay.h>
-#include "sata_sil3114.h"
-
-/* Convert sectorsize to wordsize */
-#define ATA_SECTOR_WORDS (ATA_SECT_SIZE/2)
-
-/* Forwards */
-u8 sil3114_spin_up (int num);
-u8 sil3114_spin_down (int num);
-static int sata_bus_softreset (int num);
-static void sata_identify (int num, int dev);
-static u8 check_power_mode (int num);
-static void sata_port (struct sata_ioports *ioport);
-static void set_Feature_cmd (int num, int dev);
-static u8 sata_busy_wait (struct sata_ioports *ioaddr, int bits,
- unsigned int max, u8 usealtstatus);
-static u8 sata_chk_status (struct sata_ioports *ioaddr, u8 usealtstatus);
-static void msleep (int count);
-
-static u32 iobase[6] = { 0, 0, 0, 0, 0, 0}; /* PCI BAR registers for device */
-
-static struct sata_port port[CONFIG_SYS_SATA_MAX_DEVICE];
-
-static void output_data (struct sata_ioports *ioaddr, u16 * sect_buf, int words)
-{
- while (words--) {
- __raw_writew (*sect_buf++, (void *)ioaddr->data_addr);
- }
-}
-
-static int input_data (struct sata_ioports *ioaddr, u16 * sect_buf, int words)
-{
- while (words--) {
- *sect_buf++ = __raw_readw ((void *)ioaddr->data_addr);
- }
- return 0;
-}
-
-static int sata_bus_softreset (int num)
-{
- u8 status = 0;
-
- port[num].dev_mask = 1;
-
- port[num].ctl_reg = 0x08; /*Default value of control reg */
- writeb (port[num].ctl_reg, port[num].ioaddr.ctl_addr);
- udelay(10);
- writeb (port[num].ctl_reg | ATA_SRST, port[num].ioaddr.ctl_addr);
- udelay(10);
- writeb (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.
- */
- msleep (150);
- status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 300, 0);
- while ((status & ATA_BUSY)) {
- msleep (100);
- status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 3, 0);
- }
-
- if (status & ATA_BUSY) {
- printf ("ata%u is slow to respond,plz be patient\n", num);
- }
-
- while ((status & ATA_BUSY)) {
- msleep (100);
- status = sata_chk_status (&port[num].ioaddr, 0);
- }
-
- if (status & ATA_BUSY) {
- printf ("ata%u failed to respond : ", num);
- printf ("bus reset failed\n");
- port[num].dev_mask = 0;
- return 1;
- }
- return 0;
-}
-
-static void sata_identify (int num, int dev)
-{
- u8 cmd = 0, status = 0, devno = num;
- u16 iobuf[ATA_SECTOR_WORDS];
- u64 n_sectors = 0;
-
- memset (iobuf, 0, sizeof (iobuf));
-
- if (!(port[num].dev_mask & 0x01)) {
- printf ("dev%d is not present on port#%d\n", dev, num);
- return;
- }
-
- debug ("port=%d dev=%d\n", num, dev);
-
- status = 0;
- cmd = ATA_CMD_ID_ATA; /*Device Identify Command */
- writeb (cmd, port[num].ioaddr.command_addr);
- readb (port[num].ioaddr.altstatus_addr);
- udelay(10);
-
- status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 1000, 0);
- if (status & ATA_ERR) {
- printf ("\ndevice not responding\n");
- port[num].dev_mask &= ~0x01;
- return;
- }
-
- input_data (&port[num].ioaddr, iobuf, ATA_SECTOR_WORDS);
-
- ata_swap_buf_le16 (iobuf, ATA_SECTOR_WORDS);
-
- debug ("Specific config: %x\n", iobuf[2]);
-
- /* 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);
- }
-#ifdef DEBUG
- ata_dump_id (iobuf);
-#endif
- n_sectors = ata_id_n_sectors (iobuf);
-
- if (n_sectors == 0) {
- port[num].dev_mask &= ~0x01;
- return;
- }
- ata_id_c_string (iobuf, (unsigned char *)sata_dev_desc[devno].revision,
- ATA_ID_FW_REV, sizeof (sata_dev_desc[devno].revision));
- ata_id_c_string (iobuf, (unsigned char *)sata_dev_desc[devno].vendor,
- ATA_ID_PROD, sizeof (sata_dev_desc[devno].vendor));
- ata_id_c_string (iobuf, (unsigned char *)sata_dev_desc[devno].product,
- ATA_ID_SERNO, sizeof (sata_dev_desc[devno].product));
-
- /* TODO - atm we asume harddisk ie not removable */
- sata_dev_desc[devno].removable = 0;
-
- sata_dev_desc[devno].lba = (u32) n_sectors;
- debug("lba=0x%lx\n", sata_dev_desc[devno].lba);
-
-#ifdef CONFIG_LBA48
- if (iobuf[83] & (1 << 10)) {
- sata_dev_desc[devno].lba48 = 1;
- } else {
- sata_dev_desc[devno].lba48 = 0;
- }
-#endif
-
- /* assuming HD */
- sata_dev_desc[devno].type = DEV_TYPE_HARDDISK;
- sata_dev_desc[devno].blksz = ATA_SECT_SIZE;
- sata_dev_desc[devno].lun = 0; /* just to fill something in... */
-}
-
-static void set_Feature_cmd (int num, int dev)
-{
- u8 status = 0;
-
- if (!(port[num].dev_mask & 0x01)) {
- debug ("dev%d is not present on port#%d\n", dev, num);
- return;
- }
-
- writeb (SETFEATURES_XFER, port[num].ioaddr.feature_addr);
- writeb (XFER_PIO_4, port[num].ioaddr.nsect_addr);
- writeb (0, port[num].ioaddr.lbal_addr);
- writeb (0, port[num].ioaddr.lbam_addr);
- writeb (0, port[num].ioaddr.lbah_addr);
-
- writeb (ATA_DEVICE_OBS, port[num].ioaddr.device_addr);
- writeb (ATA_CMD_SET_FEATURES, port[num].ioaddr.command_addr);
-
- udelay(50);
- msleep (150);
-
- status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 5000, 0);
- if ((status & (ATA_BUSY | ATA_ERR))) {
- printf ("Error : status 0x%02x\n", status);
- port[num].dev_mask &= ~0x01;
- }
-}
-
-u8 sil3114_spin_down (int num)
-{
- u8 status = 0;
-
- debug ("Spin down disk\n");
-
- if (!(port[num].dev_mask & 0x01)) {
- debug ("Device ata%d is not present\n", num);
- return 1;
- }
-
- if ((status = check_power_mode (num)) == 0x00) {
- debug ("Already in standby\n");
- return 0;
- }
-
- if (status == 0x01) {
- printf ("Failed to check power mode on ata%d\n", num);
- return 1;
- }
-
- if (!((status = sata_chk_status (&port[num].ioaddr, 0)) & ATA_DRDY)) {
- printf ("Device ata%d not ready\n", num);
- return 1;
- }
-
- writeb (0x00, port[num].ioaddr.feature_addr);
-
- writeb (0x00, port[num].ioaddr.nsect_addr);
- writeb (0x00, port[num].ioaddr.lbal_addr);
- writeb (0x00, port[num].ioaddr.lbam_addr);
- writeb (0x00, port[num].ioaddr.lbah_addr);
-
- writeb (ATA_DEVICE_OBS, port[num].ioaddr.device_addr);
- writeb (ATA_CMD_STANDBY, port[num].ioaddr.command_addr);
-
- status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 30000, 0);
- if ((status & (ATA_BUSY | ATA_ERR))) {
- printf ("Error waiting for disk spin down: status 0x%02x\n",
- status);
- port[num].dev_mask &= ~0x01;
- return 1;
- }
- return 0;
-}
-
-u8 sil3114_spin_up (int num)
-{
- u8 status = 0;
-
- debug ("Spin up disk\n");
-
- if (!(port[num].dev_mask & 0x01)) {
- debug ("Device ata%d is not present\n", num);
- return 1;
- }
-
- if ((status = check_power_mode (num)) != 0x00) {
- if (status == 0x01) {
- printf ("Failed to check power mode on ata%d\n", num);
- return 1;
- } else {
- /* should be up and running already */
- return 0;
- }
- }
-
- if (!((status = sata_chk_status (&port[num].ioaddr, 0)) & ATA_DRDY)) {
- printf ("Device ata%d not ready\n", num);
- return 1;
- }
-
- debug ("Stautus of device check: %d\n", status);
-
- writeb (0x00, port[num].ioaddr.feature_addr);
-
- writeb (0x00, port[num].ioaddr.nsect_addr);
- writeb (0x00, port[num].ioaddr.lbal_addr);
- writeb (0x00, port[num].ioaddr.lbam_addr);
- writeb (0x00, port[num].ioaddr.lbah_addr);
-
- writeb (ATA_DEVICE_OBS, port[num].ioaddr.device_addr);
- writeb (ATA_CMD_IDLE, port[num].ioaddr.command_addr);
-
- status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 30000, 0);
- if ((status & (ATA_BUSY | ATA_ERR))) {
- printf ("Error waiting for disk spin up: status 0x%02x\n",
- status);
- port[num].dev_mask &= ~0x01;
- return 1;
- }
-
- /* Wait for disk to enter Active state */
- do {
- msleep (10);
- status = check_power_mode (num);
- } while ((status == 0x00) || (status == 0x80));
-
- if (status == 0x01) {
- printf ("Falied waiting for disk to spin up\n");
- return 1;
- }
-
- return 0;
-}
-
-/* Return value is not the usual here
- * 0x00 - Device stand by
- * 0x01 - Operation failed
- * 0x80 - Device idle
- * 0xff - Device active
-*/
-static u8 check_power_mode (int num)
-{
- u8 status = 0;
- u8 res = 0;
- if (!(port[num].dev_mask & 0x01)) {
- debug ("Device ata%d is not present\n", num);
- return 1;
- }
-
- if (!(sata_chk_status (&port[num].ioaddr, 0) & ATA_DRDY)) {
- printf ("Device ata%d not ready\n", num);
- return 1;
- }
-
- writeb (0, port[num].ioaddr.feature_addr);
- writeb (0, port[num].ioaddr.nsect_addr);
- writeb (0, port[num].ioaddr.lbal_addr);
- writeb (0, port[num].ioaddr.lbam_addr);
- writeb (0, port[num].ioaddr.lbah_addr);
-
- writeb (ATA_DEVICE_OBS, port[num].ioaddr.device_addr);
- writeb (ATA_CMD_CHK_POWER, port[num].ioaddr.command_addr);
-
- status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 5000, 0);
- if ((status & (ATA_BUSY | ATA_ERR))) {
- printf
- ("Error waiting for check power mode complete : status 0x%02x\n",
- status);
- port[num].dev_mask &= ~0x01;
- return 1;
- }
- res = readb (port[num].ioaddr.nsect_addr);
- debug ("Check powermode: %d\n", res);
- return res;
-
-}
-
-static 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;
-}
-
-static u8 wait_for_irq (int num, unsigned int max)
-{
-
- u32 port = iobase[5];
- switch (num) {
- case 0:
- port += VND_TF_CNST_CH0;
- break;
- case 1:
- port += VND_TF_CNST_CH1;
- break;
- case 2:
- port += VND_TF_CNST_CH2;
- break;
- case 3:
- port += VND_TF_CNST_CH3;
- break;
- default:
- return 1;
- }
-
- do {
- if (readl (port) & VND_TF_CNST_INTST) {
- break;
- }
- udelay(1000);
- max--;
- } while ((max > 0));
-
- return (max == 0);
-}
-
-static u8 sata_busy_wait (struct sata_ioports *ioaddr, int bits,
- unsigned int max, u8 usealtstatus)
-{
- u8 status;
-
- do {
- if (!((status = sata_chk_status (ioaddr, usealtstatus)) & bits)) {
- break;
- }
- udelay(1000);
- max--;
- } while ((status & bits) && (max > 0));
-
- return status;
-}
-
-static u8 sata_chk_status (struct sata_ioports *ioaddr, u8 usealtstatus)
-{
- if (!usealtstatus) {
- return readb (ioaddr->status_addr);
- } else {
- return readb (ioaddr->altstatus_addr);
- }
-}
-
-static void msleep (int count)
-{
- int i;
-
- for (i = 0; i < count; i++)
- udelay(1000);
-}
-
-/* Read up to 255 sectors
- *
- * Returns sectors read
-*/
-static u8 do_one_read (int device, ulong block, u8 blkcnt, u16 * buff,
- uchar lba48)
-{
-
- u8 sr = 0;
- u8 status;
- u64 blknr = (u64) block;
-
- if (!(sata_chk_status (&port[device].ioaddr, 0) & ATA_DRDY)) {
- printf ("Device ata%d not ready\n", device);
- return 0;
- }
-
- /* Set up transfer */
-#ifdef CONFIG_LBA48
- if (lba48) {
- /* write high bits */
- writeb (0, port[device].ioaddr.nsect_addr);
- writeb ((blknr >> 24) & 0xFF, port[device].ioaddr.lbal_addr);
- writeb ((blknr >> 32) & 0xFF, port[device].ioaddr.lbam_addr);
- writeb ((blknr >> 40) & 0xFF, port[device].ioaddr.lbah_addr);
- }
-#endif
- writeb (blkcnt, port[device].ioaddr.nsect_addr);
- writeb (((blknr) >> 0) & 0xFF, port[device].ioaddr.lbal_addr);
- writeb ((blknr >> 8) & 0xFF, port[device].ioaddr.lbam_addr);
- writeb ((blknr >> 16) & 0xFF, port[device].ioaddr.lbah_addr);
-
-#ifdef CONFIG_LBA48
- if (lba48) {
- writeb (ATA_LBA, port[device].ioaddr.device_addr);
- writeb (ATA_CMD_PIO_READ_EXT, port[device].ioaddr.command_addr);
- } else
-#endif
- {
- writeb (ATA_LBA | ((blknr >> 24) & 0xF),
- port[device].ioaddr.device_addr);
- writeb (ATA_CMD_PIO_READ, port[device].ioaddr.command_addr);
- }
-
- status = sata_busy_wait (&port[device].ioaddr, ATA_BUSY, 10000, 1);
-
- if (status & ATA_BUSY) {
- u8 err = 0;
-
- printf ("Device %d not responding status %d\n", device, status);
- err = readb (port[device].ioaddr.error_addr);
- printf ("Error reg = 0x%x\n", err);
-
- return (sr);
- }
- while (blkcnt--) {
-
- if (wait_for_irq (device, 500)) {
- printf ("ata%u irq failed\n", device);
- return sr;
- }
-
- status = sata_chk_status (&port[device].ioaddr, 0);
- if (status & ATA_ERR) {
- printf ("ata%u error %d\n", device,
- readb (port[device].ioaddr.error_addr));
- return sr;
- }
- /* Read one sector */
- input_data (&port[device].ioaddr, buff, ATA_SECTOR_WORDS);
- buff += ATA_SECTOR_WORDS;
- sr++;
-
- }
- return sr;
-}
-
-ulong sata_read (int device, ulong block, lbaint_t blkcnt, void *buff)
-{
- ulong n = 0, sread;
- u16 *buffer = (u16 *) buff;
- u8 status = 0;
- u64 blknr = (u64) block;
- unsigned char lba48 = 0;
-
-#ifdef CONFIG_LBA48
- if (blknr > 0xfffffff) {
- if (!sata_dev_desc[device].lba48) {
- printf ("Drive doesn't support 48-bit addressing\n");
- return 0;
- }
- /* more than 28 bits used, use 48bit mode */
- lba48 = 1;
- }
-#endif
-
- while (blkcnt > 0) {
-
- if (blkcnt > 255) {
- sread = 255;
- } else {
- sread = blkcnt;
- }
-
- status = do_one_read (device, blknr, sread, buffer, lba48);
- if (status != sread) {
- printf ("Read failed\n");
- return n;
- }
-
- blkcnt -= sread;
- blknr += sread;
- n += sread;
- buffer += sread * ATA_SECTOR_WORDS;
- }
- return n;
-}
-
-ulong sata_write (int device, ulong block, lbaint_t blkcnt, const void *buff)
-{
- ulong n = 0;
- u16 *buffer = (u16 *) buff;
- unsigned char status = 0, num = 0;
- u64 blknr = (u64) block;
-#ifdef CONFIG_LBA48
- unsigned char lba48 = 0;
-
- if (blknr > 0xfffffff) {
- if (!sata_dev_desc[device].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;
-
- while (blkcnt-- > 0) {
- status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 500, 0);
- 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 */
- writeb (0, port[num].ioaddr.nsect_addr);
- writeb ((blknr >> 24) & 0xFF,
- port[num].ioaddr.lbal_addr);
- writeb ((blknr >> 32) & 0xFF,
- port[num].ioaddr.lbam_addr);
- writeb ((blknr >> 40) & 0xFF,
- port[num].ioaddr.lbah_addr);
- }
-#endif
- writeb (1, port[num].ioaddr.nsect_addr);
- writeb ((blknr >> 0) & 0xFF, port[num].ioaddr.lbal_addr);
- writeb ((blknr >> 8) & 0xFF, port[num].ioaddr.lbam_addr);
- writeb ((blknr >> 16) & 0xFF, port[num].ioaddr.lbah_addr);
-#ifdef CONFIG_LBA48
- if (lba48) {
- writeb (ATA_LBA, port[num].ioaddr.device_addr);
- writeb (ATA_CMD_PIO_WRITE_EXT, port[num].ioaddr.command_addr);
- } else
-#endif
- {
- writeb (ATA_LBA | ((blknr >> 24) & 0xF),
- port[num].ioaddr.device_addr);
- writeb (ATA_CMD_PIO_WRITE, port[num].ioaddr.command_addr);
- }
-
- msleep (50);
- /*may take up to 4 sec */
- status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 4000, 0);
- if ((status & (ATA_DRQ | ATA_BUSY | ATA_ERR)) != ATA_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_SECTOR_WORDS);
- readb (port[num].ioaddr.altstatus_addr);
- udelay(50);
-
- ++n;
- ++blknr;
- buffer += ATA_SECTOR_WORDS;
- }
- return n;
-}
-
-/* Driver implementation */
-static u8 sil_get_device_cache_line (pci_dev_t pdev)
-{
- u8 cache_line = 0;
- pci_read_config_byte (pdev, PCI_CACHE_LINE_SIZE, &cache_line);
- return cache_line;
-}
-
-int init_sata (int dev)
-{
- static u8 init_done = 0;
- static int res = 1;
- pci_dev_t devno;
- u8 cls = 0;
- u16 cmd = 0;
- u32 sconf = 0;
-
- if (init_done) {
- return res;
- }
-
- init_done = 1;
-
- if ((devno = pci_find_device (SIL_VEND_ID, SIL3114_DEVICE_ID, 0)) == -1) {
- res = 1;
- return res;
- }
-
- /* Read out all BARs, even though we only use MMIO from BAR5 */
- pci_read_config_dword (devno, PCI_BASE_ADDRESS_0, &iobase[0]);
- pci_read_config_dword (devno, PCI_BASE_ADDRESS_1, &iobase[1]);
- pci_read_config_dword (devno, PCI_BASE_ADDRESS_2, &iobase[2]);
- pci_read_config_dword (devno, PCI_BASE_ADDRESS_3, &iobase[3]);
- pci_read_config_dword (devno, PCI_BASE_ADDRESS_4, &iobase[4]);
- pci_read_config_dword (devno, PCI_BASE_ADDRESS_5, &iobase[5]);
-
- if ((iobase[0] == 0xFFFFFFFF) || (iobase[1] == 0xFFFFFFFF) ||
- (iobase[2] == 0xFFFFFFFF) || (iobase[3] == 0xFFFFFFFF) ||
- (iobase[4] == 0xFFFFFFFF) || (iobase[5] == 0xFFFFFFFF)) {
- printf ("Error no base addr for SATA controller\n");
- res = 1;
- return res;
- }
-
- /* mask off unused bits */
- iobase[0] &= 0xfffffffc;
- iobase[1] &= 0xfffffff8;
- iobase[2] &= 0xfffffffc;
- iobase[3] &= 0xfffffff8;
- iobase[4] &= 0xfffffff0;
- iobase[5] &= 0xfffffc00;
-
- /* from sata_sil in Linux kernel */
- cls = sil_get_device_cache_line (devno);
- if (cls) {
- cls >>= 3;
- cls++; /* cls = (line_size/8)+1 */
- writel (cls << 8 | cls, iobase[5] + VND_FIFOCFG_CH0);
- writel (cls << 8 | cls, iobase[5] + VND_FIFOCFG_CH1);
- writel (cls << 8 | cls, iobase[5] + VND_FIFOCFG_CH2);
- writel (cls << 8 | cls, iobase[5] + VND_FIFOCFG_CH3);
- } else {
- printf ("Cache line not set. Driver may not function\n");
- }
-
- /* Enable operation */
- pci_read_config_word (devno, PCI_COMMAND, &cmd);
- cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
- pci_write_config_word (devno, PCI_COMMAND, cmd);
-
- /* Disable interrupt usage */
- pci_read_config_dword (devno, VND_SYSCONFSTAT, &sconf);
- sconf |= (VND_SYSCONFSTAT_CHN_0_INTBLOCK | VND_SYSCONFSTAT_CHN_1_INTBLOCK);
- pci_write_config_dword (devno, VND_SYSCONFSTAT, sconf);
-
- res = 0;
- return res;
-}
-
-int reset_sata(int dev)
-{
- return 0;
-}
-
-/* Check if device is connected to port */
-int sata_bus_probe (int portno)
-{
- u32 port = iobase[5];
- u32 val;
- switch (portno) {
- case 0:
- port += VND_SSTATUS_CH0;
- break;
- case 1:
- port += VND_SSTATUS_CH1;
- break;
- case 2:
- port += VND_SSTATUS_CH2;
- break;
- case 3:
- port += VND_SSTATUS_CH3;
- break;
- default:
- return 0;
- }
- val = readl (port);
- if ((val & SATA_DET_PRES) == SATA_DET_PRES) {
- return 1;
- } else {
- return 0;
- }
-}
-
-int sata_phy_reset (int portno)
-{
- u32 port = iobase[5];
- u32 val;
- switch (portno) {
- case 0:
- port += VND_SCONTROL_CH0;
- break;
- case 1:
- port += VND_SCONTROL_CH1;
- break;
- case 2:
- port += VND_SCONTROL_CH2;
- break;
- case 3:
- port += VND_SCONTROL_CH3;
- break;
- default:
- return 0;
- }
- val = readl (port);
- writel (val | SATA_SC_DET_RST, port);
- msleep (150);
- writel (val & ~SATA_SC_DET_RST, port);
- return 0;
-}
-
-int scan_sata (int dev)
-{
- /* A bit brain dead, but the code has a legacy */
- switch (dev) {
- case 0:
- port[0].port_no = 0;
- port[0].ioaddr.cmd_addr = iobase[5] + VND_TF0_CH0;
- port[0].ioaddr.altstatus_addr = port[0].ioaddr.ctl_addr =
- (iobase[5] + VND_TF2_CH0) | ATA_PCI_CTL_OFS;
- port[0].ioaddr.bmdma_addr = iobase[5] + VND_BMDMA_CH0;
- break;
-#if (CONFIG_SYS_SATA_MAX_DEVICE >= 1)
- case 1:
- port[1].port_no = 0;
- port[1].ioaddr.cmd_addr = iobase[5] + VND_TF0_CH1;
- port[1].ioaddr.altstatus_addr = port[1].ioaddr.ctl_addr =
- (iobase[5] + VND_TF2_CH1) | ATA_PCI_CTL_OFS;
- port[1].ioaddr.bmdma_addr = iobase[5] + VND_BMDMA_CH1;
- break;
-#elif (CONFIG_SYS_SATA_MAX_DEVICE >= 2)
- case 2:
- port[2].port_no = 0;
- port[2].ioaddr.cmd_addr = iobase[5] + VND_TF0_CH2;
- port[2].ioaddr.altstatus_addr = port[2].ioaddr.ctl_addr =
- (iobase[5] + VND_TF2_CH2) | ATA_PCI_CTL_OFS;
- port[2].ioaddr.bmdma_addr = iobase[5] + VND_BMDMA_CH2;
- break;
-#elif (CONFIG_SYS_SATA_MAX_DEVICE >= 3)
- case 3:
- port[3].port_no = 0;
- port[3].ioaddr.cmd_addr = iobase[5] + VND_TF0_CH3;
- port[3].ioaddr.altstatus_addr = port[3].ioaddr.ctl_addr =
- (iobase[5] + VND_TF2_CH3) | ATA_PCI_CTL_OFS;
- port[3].ioaddr.bmdma_addr = iobase[5] + VND_BMDMA_CH3;
- break;
-#endif
- default:
- printf ("Tried to scan unknown port: ata%d\n", dev);
- return 1;
- }
-
- /* Initialize other registers */
- sata_port (&port[dev].ioaddr);
-
- /* Check for attached device */
- if (!sata_bus_probe (dev)) {
- port[dev].port_state = 0;
- debug ("SATA#%d port is not present\n", dev);
- } else {
- debug ("SATA#%d port is present\n", dev);
- if (sata_bus_softreset (dev)) {
- /* soft reset failed, try a hard one */
- sata_phy_reset (dev);
- if (sata_bus_softreset (dev)) {
- port[dev].port_state = 0;
- } else {
- port[dev].port_state = 1;
- }
- } else {
- port[dev].port_state = 1;
- }
- }
- if (port[dev].port_state == 1) {
- /* Probe device and set xfer mode */
- sata_identify (dev, 0);
- set_Feature_cmd (dev, 0);
- }
-
- return 0;
-}
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) Excito Elektronik i Skåne AB, All rights reserved.
- * Author: Tor Krill <tor@excito.com>
- */
-
-#ifndef SATA_SIL3114_H
-#define SATA_SIL3114_H
-
-struct sata_ioports {
- unsigned long cmd_addr;
- unsigned long data_addr;
- unsigned long error_addr;
- unsigned long feature_addr;
- unsigned long nsect_addr;
- unsigned long lbal_addr;
- unsigned long lbam_addr;
- unsigned long lbah_addr;
- unsigned long device_addr;
- unsigned long status_addr;
- unsigned long command_addr;
- unsigned long altstatus_addr;
- unsigned long ctl_addr;
- unsigned long bmdma_addr;
- unsigned long scr_addr;
-};
-
-struct sata_port {
- unsigned char port_no; /* primary=0, secondary=1 */
- struct sata_ioports ioaddr; /* ATA cmd/ctl/dma reg blks */
- unsigned char ctl_reg;
- unsigned char last_ctl;
- unsigned char port_state; /* 1-port is available and */
- /* 0-port is not available */
- unsigned char dev_mask;
-};
-
-/* Missing ata defines */
-#define ATA_CMD_STANDBY 0xE2
-#define ATA_CMD_STANDBYNOW1 0xE0
-#define ATA_CMD_IDLE 0xE3
-#define ATA_CMD_IDLEIMMEDIATE 0xE1
-
-/* Defines for SIL3114 chip */
-
-/* PCI defines */
-#define SIL_VEND_ID 0x1095
-#define SIL3114_DEVICE_ID 0x3114
-
-/* some vendor specific registers */
-#define VND_SYSCONFSTAT 0x88 /* System Configuration Status and Command */
-#define VND_SYSCONFSTAT_CHN_0_INTBLOCK (1<<22)
-#define VND_SYSCONFSTAT_CHN_1_INTBLOCK (1<<23)
-#define VND_SYSCONFSTAT_CHN_2_INTBLOCK (1<<24)
-#define VND_SYSCONFSTAT_CHN_3_INTBLOCK (1<<25)
-
-/* internal registers mapped by BAR5 */
-/* SATA Control*/
-#define VND_SCONTROL_CH0 0x100
-#define VND_SCONTROL_CH1 0x180
-#define VND_SCONTROL_CH2 0x300
-#define VND_SCONTROL_CH3 0x380
-
-#define SATA_SC_IPM_T2P (1<<16)
-#define SATA_SC_IPM_T2S (2<<16)
-#define SATA_SC_SPD_1_5 (1<<4)
-#define SATA_SC_SPD_3_0 (2<<4)
-#define SATA_SC_DET_RST (1) /* ATA Reset sequence */
-#define SATA_SC_DET_PDIS (4) /* PHY Disable */
-
-/* SATA Status */
-#define VND_SSTATUS_CH0 0x104
-#define VND_SSTATUS_CH1 0x184
-#define VND_SSTATUS_CH2 0x304
-#define VND_SSTATUS_CH3 0x384
-
-#define SATA_SS_IPM_ACTIVE (1<<8)
-#define SATA_SS_IPM_PARTIAL (2<<8)
-#define SATA_SS_IPM_SLUMBER (6<<8)
-#define SATA_SS_SPD_1_5 (1<<4)
-#define SATA_SS_SPD_3_0 (2<<4)
-#define SATA_DET_P_NOPHY (1) /* Device presence but no PHY connection established */
-#define SATA_DET_PRES (3) /* Device presence and active PHY */
-#define SATA_DET_OFFLINE (4) /* Device offline or in loopback mode */
-
-/* Task file registers in BAR5 mapping */
-#define VND_TF0_CH0 0x80
-#define VND_TF0_CH1 0xc0
-#define VND_TF0_CH2 0x280
-#define VND_TF0_CH3 0x2c0
-#define VND_TF1_CH0 0x88
-#define VND_TF1_CH1 0xc8
-#define VND_TF1_CH2 0x288
-#define VND_TF1_CH3 0x2c8
-#define VND_TF2_CH0 0x88
-#define VND_TF2_CH1 0xc8
-#define VND_TF2_CH2 0x288
-#define VND_TF2_CH3 0x2c8
-
-#define VND_BMDMA_CH0 0x00
-#define VND_BMDMA_CH1 0x08
-#define VND_BMDMA_CH2 0x200
-#define VND_BMDMA_CH3 0x208
-#define VND_BMDMA2_CH0 0x10
-#define VND_BMDMA2_CH1 0x18
-#define VND_BMDMA2_CH2 0x210
-#define VND_BMDMA2_CH3 0x218
-
-/* FIFO control */
-#define VND_FIFOCFG_CH0 0x40
-#define VND_FIFOCFG_CH1 0x44
-#define VND_FIFOCFG_CH2 0x240
-#define VND_FIFOCFG_CH3 0x244
-
-/* Task File configuration and status */
-#define VND_TF_CNST_CH0 0xa0
-#define VND_TF_CNST_CH1 0xe0
-#define VND_TF_CNST_CH2 0x2a0
-#define VND_TF_CNST_CH3 0x2e0
-
-#define VND_TF_CNST_BFCMD (1<<1)
-#define VND_TF_CNST_CHNRST (1<<2)
-#define VND_TF_CNST_VDMA (1<<10)
-#define VND_TF_CNST_INTST (1<<11)
-#define VND_TF_CNST_WDTO (1<<12)
-#define VND_TF_CNST_WDEN (1<<13)
-#define VND_TF_CNST_WDIEN (1<<14)
-
-/* for testing */
-#define VND_SSDR 0x04c /* System Software Data Register */
-#define VND_FMACS 0x050 /* Flash Memory Address control and status */
-
-#endif
projects / platform / kernel / u-boot.git / commitdiff