diff options
Diffstat (limited to 'common/cmd_sata.c')
| -rw-r--r-- | common/cmd_sata.c | 767 |
1 files changed, 124 insertions, 643 deletions
diff --git a/common/cmd_sata.c b/common/cmd_sata.c index bd4c11f..79c2495 100644 --- a/common/cmd_sata.c +++ b/common/cmd_sata.c @@ -1,8 +1,11 @@ /* + * Copyright (C) 2000-2005, DENX Software Engineering + * Wolfgang Denk <wd@denx.de> * Copyright (C) Procsys. All rights reserved. - * Author: Mushtaq Khan <mushtaq_k@procsys.com> + * Mushtaq Khan <mushtaq_k@procsys.com> * <mushtaqk_921@yahoo.co.in> - * + * Copyright (C) 2008 Freescale Semiconductor, Inc. + * Dave Liu <daveliu@freescale.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -11,702 +14,180 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA - * - * with the reference to libata in kernel 2.4.32 - * */ -/* - * File contains SATA read-write and other utility functions. - */ #include <common.h> -#include <asm/io.h> -#include <pci.h> #include <command.h> -#include <config.h> -#include <ide.h> -#include <ata.h> - -#ifdef CFG_SATA_SUPPORTED -/*For debug prints set macro DEBUG_SATA to 1 */ -#define DEBUG_SATA 0 -/*Macro for SATA library specific declarations */ -#define SATA_DECL +#include <part.h> #include <sata.h> -#undef SATA_DECL - -static u8 __inline__ -sata_inb (unsigned long ioaddr) -{ - return inb (ioaddr); -} - -static void __inline__ -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 < CFG_SATA_DEVS_PER_BUS; i++) { - if (!(sata_devchk (&port[num].ioaddr, i))) { - PRINTF ("dev_chk failed for dev#%d\n", i); - } else { - port[num].dev_mask |= (1 << i); - PRINTF ("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. - */ - msleep (150); - status = sata_busy_wait (&port[num].ioaddr, ATA_BUSY, 300); - while ((status & ATA_BUSY)) { - msleep (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", port); - - while ((status & ATA_BUSY)) { - msleep (100); - status = sata_chk_status (&port[num].ioaddr); - } - - if (status & ATA_BUSY) { - printf ("ata%u failed to respond : ", port); - printf ("bus reset failed\n"); - return 1; - } - return 0; -} - -void -sata_identify (int num, int dev) -{ - u8 cmd = 0, status = 0, devno = num * CFG_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) { - printf ("\ndevice not responding\n"); - port[num].dev_mask &= ~mask; - return; - } - - input_data (&port[num].ioaddr, (ulong *) iobuf, ATA_SECTORWORDS); - - PRINTF ("\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)) { - PRINTF ("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); - } - PRINTF ("no. of sectors %u\n", ata_id_u64 (iobuf, 100)); - PRINTF ("no. of sectors %u\n", ata_id_u32 (iobuf, 60)); - - if (n_sectors == 0) { - port[num].dev_mask &= ~mask; - return; - } - - sata_cpy (sata_dev_desc[devno].revision, iop->fw_rev, - sizeof (sata_dev_desc[devno].revision)); - sata_cpy (sata_dev_desc[devno].vendor, iop->model, - sizeof (sata_dev_desc[devno].vendor)); - sata_cpy (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; - PRINTF ("lba=0x%x", sata_dev_desc[devno].lba); +int curr_device = -1; +block_dev_desc_t sata_dev_desc[CFG_SATA_MAX_DEVICE]; -#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].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)) { - PRINTF ("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); - msleep (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); -} - -void -msleep (int count) +int sata_initialize(void) { + int rc; int i; - for (i = 0; i < count; i++) - udelay (1000); -} - -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 / CFG_SATA_DEVS_PER_BUS; - /*dev on the port */ - if (device >= CFG_SATA_DEVS_PER_BUS) - dev = device - CFG_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; - } + for (i = 0; i < CFG_SATA_MAX_DEVICE; i++) { + memset(&sata_dev_desc[i], 0, sizeof(struct block_dev_desc)); + sata_dev_desc[i].if_type = IF_TYPE_SATA; + sata_dev_desc[i].dev = i; + sata_dev_desc[i].part_type = PART_TYPE_UNKNOWN; + sata_dev_desc[i].type = DEV_TYPE_HARDDISK; + sata_dev_desc[i].lba = 0; + sata_dev_desc[i].blksz = 512; + sata_dev_desc[i].block_read = sata_read; + sata_dev_desc[i].block_write = sata_write; - /* 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; + rc = init_sata(i); + rc = scan_sata(i); + if ((sata_dev_desc[i].lba > 0) && (sata_dev_desc[i].blksz > 0)) + init_part(&sata_dev_desc[i]); } - 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); - } - - msleep (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; + curr_device = 0; + return rc; } -ulong -sata_write (int device, ulong blknr,lbaint_t blkcnt, void * buff) +block_dev_desc_t *sata_get_dev(int dev) { - 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 / CFG_SATA_DEVS_PER_BUS; - /*dev on the Port */ - if (device >= CFG_SATA_DEVS_PER_BUS) - dev = device - CFG_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); - } - - msleep (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; + return (dev < CFG_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL; } -block_dev_desc_t *sata_get_dev (int dev); - -block_dev_desc_t * -sata_get_dev (int dev) -{ - return ((block_dev_desc_t *) & sata_dev_desc[dev]); -} - -int -do_sata (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { + int rc = 0; switch (argc) { case 0: case 1: - printf ("Usage:\n%s\n", cmdtp->usage); + printf("Usage:\n%s\n", cmdtp->usage); return 1; case 2: - if (strncmp (argv[1], "init", 4) == 0) { - int rcode = 0; - - rcode = init_sata (); - if (rcode) - printf ("Sata initialization Failed\n"); - return rcode; - } else if (strncmp (argv[1], "inf", 3) == 0) { + if (strncmp(argv[1],"inf", 3) == 0) { int i; - - putc ('\n'); - for (i = 0; i < CFG_SATA_MAXDEVICES; ++i) { - /*List only known devices */ - if (sata_dev_desc[i].type == - DEV_TYPE_UNKNOWN) + putc('\n'); + for (i = 0; i < CFG_SATA_MAX_DEVICE; ++i) { + if (sata_dev_desc[i].type == DEV_TYPE_UNKNOWN) continue; - printf ("sata dev %d: ", i); - dev_print (&sata_dev_desc[i]); + printf ("SATA device %d: ", i); + dev_print(&sata_dev_desc[i]); } return 0; + } else if (strncmp(argv[1],"dev", 3) == 0) { + if ((curr_device < 0) || (curr_device >= CFG_SATA_MAX_DEVICE)) { + puts("\nno SATA devices available\n"); + return 1; + } + printf("\nSATA device %d: ", curr_device); + dev_print(&sata_dev_desc[curr_device]); + return 0; + } else if (strncmp(argv[1],"part",4) == 0) { + int dev, ok; + + for (ok = 0, dev = 0; dev < CFG_SATA_MAX_DEVICE; ++dev) { + if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) { + ++ok; + if (dev) + putc ('\n'); + print_part(&sata_dev_desc[dev]); + } + } + if (!ok) { + puts("\nno SATA devices available\n"); + rc ++; + } + return rc; } - printf ("Usage:\n%s\n", cmdtp->usage); + printf("Usage:\n%s\n", cmdtp->usage); return 1; case 3: - if (strcmp (argv[1], "dev") == 0) { - int dev = (int) simple_strtoul (argv[2], NULL, 10); + if (strncmp(argv[1], "dev", 3) == 0) { + int dev = (int)simple_strtoul(argv[2], NULL, 10); - if (dev >= CFG_SATA_MAXDEVICES) { - printf ("\nSata dev %d not available\n", - dev); + printf("\nSATA device %d: ", dev); + if (dev >= CFG_SATA_MAX_DEVICE) { + puts ("unknown device\n"); return 1; } - printf ("\nSATA dev %d: ", dev); - dev_print (&sata_dev_desc[dev]); + dev_print(&sata_dev_desc[dev]); + if (sata_dev_desc[dev].type == DEV_TYPE_UNKNOWN) return 1; - curr_dev = dev; + + curr_device = dev; + + puts("... is now current device\n"); + return 0; - } else if (strcmp (argv[1], "part") == 0) { - int dev = (int) simple_strtoul (argv[2], NULL, 10); + } else if (strncmp(argv[1], "part", 4) == 0) { + int dev = (int)simple_strtoul(argv[2], NULL, 10); - if (dev >= CFG_SATA_MAXDEVICES) { - printf ("\nSata dev %d not available\n", - dev); - return 1; - } - PRINTF ("\nSATA dev %d: ", dev); - if (sata_dev_desc[dev].part_type != - PART_TYPE_UNKNOWN) { - print_part (&sata_dev_desc[dev]); + if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) { + print_part(&sata_dev_desc[dev]); } else { - printf ("\nSata dev %d partition type " - "unknown\n", dev); - return 1; + printf("\nSATA device %d not available\n", dev); + rc = 1; } - return 0; + return rc; } printf ("Usage:\n%s\n", cmdtp->usage); return 1; - default: - if (argc < 5) { - printf ("Usage:\n%s\n", cmdtp->usage); - return 1; - } - if (strcmp (argv[1], "read") == 0) { - ulong addr = simple_strtoul (argv[2], NULL, 16); - ulong cnt = simple_strtoul (argv[4], NULL, 16); + + default: /* at least 4 args */ + if (strcmp(argv[1], "read") == 0) { + ulong addr = simple_strtoul(argv[2], NULL, 16); + ulong cnt = simple_strtoul(argv[4], NULL, 16); ulong n; - lbaint_t blk = simple_strtoul (argv[3], NULL, 16); + lbaint_t blk = simple_strtoul(argv[3], NULL, 16); + + printf("\nSATA read: device %d block # %ld, count %ld ... ", + curr_device, blk, cnt); + + n = sata_read(curr_device, blk, cnt, (u32 *)addr); - memset ((int *) addr, 0, cnt * 512); - printf ("\nSATA read: dev %d blk # %ld," - "count %ld ... ", curr_dev, blk, cnt); - n = sata_read (curr_dev, blk, cnt, (ulong *) addr); /* flush cache after read */ - flush_cache (addr, cnt * 512); - printf ("%ld blocks read: %s\n", n, - (n == cnt) ? "OK" : "ERR"); - if (n == cnt) - return 1; - else - return 0; - } else if (strcmp (argv[1], "write") == 0) { - ulong addr = simple_strtoul (argv[2], NULL, 16); - ulong cnt = simple_strtoul (argv[4], NULL, 16); + flush_cache(addr, cnt * sata_dev_desc[curr_device].blksz); + + printf("%ld blocks read: %s\n", + n, (n==cnt) ? "OK" : "ERROR"); + return (n == cnt) ? 0 : 1; + } else if (strcmp(argv[1], "write") == 0) { + ulong addr = simple_strtoul(argv[2], NULL, 16); + ulong cnt = simple_strtoul(argv[4], NULL, 16); ulong n; - lbaint_t blk = simple_strtoul (argv[3], NULL, 16); - printf ("\nSata write: dev %d blk # %ld," - "count %ld ... ", curr_dev, blk, cnt); - n = sata_write (curr_dev, blk, cnt, (ulong *) addr); - printf ("%ld blocks written: %s\n", n, - (n == cnt) ? "OK" : "ERR"); - if (n == cnt) - return 1; - else - return 0; + lbaint_t blk = simple_strtoul(argv[3], NULL, 16); + + printf("\nSATA write: device %d block # %ld, count %ld ... ", + curr_device, blk, cnt); + + n = sata_write(curr_device, blk, cnt, (u32 *)addr); + + printf("%ld blocks written: %s\n", + n, (n == cnt) ? "OK" : "ERROR"); + return (n == cnt) ? 0 : 1; } else { - printf ("Usage:\n%s\n", cmdtp->usage); - return 1; + printf("Usage:\n%s\n", cmdtp->usage); + rc = 1; } - } /*End OF SWITCH */ -} -U_BOOT_CMD (sata, 5, 1, do_sata, - "sata init\n" - "sata info\n" - "sata part device\n" - "sata dev device\n" - "sata read addr blk# cnt\n" - "sata write addr blk# cnt\n", "cmd for init,rw and dev-info\n"); + return rc; + } +} -#endif +U_BOOT_CMD( + sata, 5, 1, do_sata, + "sata - SATA sub system\n", + "sata info - show available SATA devices\n" + "sata device [dev] - show or set current device\n" + "sata part [dev] - print partition table\n" + "sata read addr blk# cnt\n" + "sata write addr blk# cnt\n"); |