diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile | 1 | ||||
| -rw-r--r-- | common/cmd_pata.c | 203 |
2 files changed, 204 insertions, 0 deletions
diff --git a/common/Makefile b/common/Makefile index f71053e..118569a 100644 --- a/common/Makefile +++ b/common/Makefile @@ -123,6 +123,7 @@ COBJS-y += cmd_nand.o COBJS-$(CONFIG_CMD_NET) += cmd_net.o COBJS-$(CONFIG_CMD_ONENAND) += cmd_onenand.o COBJS-$(CONFIG_CMD_OTP) += cmd_otp.o +COBJS-$(CONFIG_CMD_PATA) += cmd_pata.o ifdef CONFIG_PCI COBJS-$(CONFIG_CMD_PCI) += cmd_pci.o endif diff --git a/common/cmd_pata.c b/common/cmd_pata.c new file mode 100644 index 0000000..d326c1e --- /dev/null +++ b/common/cmd_pata.c @@ -0,0 +1,203 @@ +/* + * Copyright (C) 2000-2005, DENX Software Engineering + * Wolfgang Denk <wd@denx.de> + * Copyright (C) Procsys. All rights reserved. + * Mushtaq Khan <mushtaq_k@procsys.com> + * <mushtaqk_921@yahoo.co.in> + * (C) Copyright 2008-2009 Freescale Semiconductor, Inc. + * Terry Lv <r65388@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 + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * 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 + * 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 + */ + +#include <common.h> +#include <command.h> +#include <part.h> +#include <ata.h> +#include <pata.h> + +int pata_curr_device = -1; +block_dev_desc_t pata_dev_desc[CONFIG_SYS_ATA_MAX_DEVICE]; + +int pata_initialize(void) +{ + int rc; + int i; + + for (i = 0; i < CONFIG_SYS_ATA_MAX_DEVICE; i++) { + memset(&pata_dev_desc[i], 0, sizeof(struct block_dev_desc)); + pata_dev_desc[i].if_type = IF_TYPE_ATAPI; + pata_dev_desc[i].dev = i; + pata_dev_desc[i].part_type = PART_TYPE_UNKNOWN; + pata_dev_desc[i].type = DEV_TYPE_HARDDISK; + pata_dev_desc[i].lba = 0; + pata_dev_desc[i].blksz = 512; + pata_dev_desc[i].block_read = pata_read; + pata_dev_desc[i].block_write = pata_write; + + rc = init_pata(i); + rc = scan_pata(i); + if ((pata_dev_desc[i].lba > 0) && (pata_dev_desc[i].blksz > 0)) + init_part(&pata_dev_desc[i]); + } + pata_curr_device = 0; + return rc; +} + +block_dev_desc_t *pata_get_dev(int dev) +{ + return (dev < CONFIG_SYS_ATA_MAX_DEVICE) ? &pata_dev_desc[dev] : NULL; +} + +int do_pata(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int rc = 0; + + if (argc == 2 && strcmp(argv[1], "init") == 0) + return pata_initialize(); + + /* If the user has not yet run `pata init`, do it now */ + if (pata_curr_device == -1) + if (pata_initialize()) + return 1; + + switch (argc) { + case 0: + case 1: + printf("Usage:\n%s\n", cmdtp->usage); + return 1; + case 2: + if (strncmp(argv[1], "inf", 3) == 0) { + int i; + putc('\n'); + for (i = 0; i < CONFIG_SYS_ATA_MAX_DEVICE; ++i) { + if (pata_dev_desc[i].type == DEV_TYPE_UNKNOWN) + continue; + printf("PATA device %d: ", i); + dev_print(&pata_dev_desc[i]); + } + return 0; + } else if (strncmp(argv[1], "dev", 3) == 0) { + if ((pata_curr_device < 0) || \ + (pata_curr_device >= CONFIG_SYS_ATA_MAX_DEVICE)) { + puts("\nno PATA devices available\n"); + return 1; + } + printf("\nPATA device %d: ", pata_curr_device); + dev_print(&pata_dev_desc[pata_curr_device]); + return 0; + } else if (strncmp(argv[1], "part", 4) == 0) { + int dev, ok; + + for (ok = 0, dev = 0; dev < CONFIG_SYS_ATA_MAX_DEVICE; ++dev) { + if (pata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) { + ++ok; + if (dev) + putc('\n'); + print_part(&pata_dev_desc[dev]); + } + } + if (!ok) { + puts("\nno PATA devices available\n"); + rc++; + } + return rc; + } + printf("Usage:\n%s\n", cmdtp->usage); + return 1; + case 3: + if (strncmp(argv[1], "dev", 3) == 0) { + int dev = (int)simple_strtoul(argv[2], NULL, 10); + + printf("\nPATA device %d: ", dev); + if (dev >= CONFIG_SYS_ATA_MAX_DEVICE) { + puts("unknown device\n"); + return 1; + } + dev_print(&pata_dev_desc[dev]); + + if (pata_dev_desc[dev].type == DEV_TYPE_UNKNOWN) + return 1; + + pata_curr_device = dev; + + puts("... is now current device\n"); + + return 0; + } else if (strncmp(argv[1], "part", 4) == 0) { + int dev = (int)simple_strtoul(argv[2], NULL, 10); + + if (pata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) { + print_part(&pata_dev_desc[dev]); + } else { + printf("\nPATA device %d not available\n", dev); + rc = 1; + } + return rc; + } + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + + 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); + + printf("\nPATA read: device %d block # %ld, count %ld ... ", + pata_curr_device, blk, cnt); + + n = pata_read(pata_curr_device, blk, cnt, (u32 *)addr); + + /* flush cache after read */ + flush_cache(addr, cnt * pata_dev_desc[pata_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("\nPATA write: device %d block # %ld, count %ld ... ", + pata_curr_device, blk, cnt); + + n = pata_write(pata_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); + rc = 1; + } + + return rc; + } +} + +U_BOOT_CMD( + pata, 5, 1, do_pata, + "pata - PATA sub system\n", + "pata info - show available PATA devices\n" + "pata device [dev] - show or set current device\n" + "pata part [dev] - print partition table\n" + "pata read addr blk# cnt\n" + "pata write addr blk# cnt\n"); |