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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/drivers/ata/sata.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/drivers/ata/sata.c')
-rw-r--r-- | roms/u-boot/drivers/ata/sata.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/ata/sata.c b/roms/u-boot/drivers/ata/sata.c new file mode 100644 index 000000000..6a38d5002 --- /dev/null +++ b/roms/u-boot/drivers/ata/sata.c @@ -0,0 +1,155 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * 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> + * Copyright (C) 2008 Freescale Semiconductor, Inc. + * Dave Liu <daveliu@freescale.com> + */ + +#include <common.h> +#include <ahci.h> +#include <blk.h> +#include <dm.h> +#include <part.h> +#include <sata.h> + +#ifndef CONFIG_AHCI +struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE]; +#endif + +int sata_reset(struct udevice *dev) +{ + struct ahci_ops *ops = ahci_get_ops(dev); + + if (!ops->reset) + return -ENOSYS; + + return ops->reset(dev); +} + +int sata_dm_port_status(struct udevice *dev, int port) +{ + struct ahci_ops *ops = ahci_get_ops(dev); + + if (!ops->port_status) + return -ENOSYS; + + return ops->port_status(dev, port); +} + +int sata_scan(struct udevice *dev) +{ + struct ahci_ops *ops = ahci_get_ops(dev); + + if (!ops->scan) + return -ENOSYS; + + return ops->scan(dev); +} + +#ifndef CONFIG_AHCI +#ifdef CONFIG_PARTITIONS +struct blk_desc *sata_get_dev(int dev) +{ + return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL; +} +#endif +#endif + +#ifdef CONFIG_BLK +static unsigned long sata_bread(struct udevice *dev, lbaint_t start, + lbaint_t blkcnt, void *dst) +{ + return -ENOSYS; +} + +static unsigned long sata_bwrite(struct udevice *dev, lbaint_t start, + lbaint_t blkcnt, const void *buffer) +{ + return -ENOSYS; +} +#else +static unsigned long sata_bread(struct blk_desc *block_dev, lbaint_t start, + lbaint_t blkcnt, void *dst) +{ + return sata_read(block_dev->devnum, start, blkcnt, dst); +} + +static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start, + lbaint_t blkcnt, const void *buffer) +{ + return sata_write(block_dev->devnum, start, blkcnt, buffer); +} +#endif + +#ifndef CONFIG_AHCI +int __sata_initialize(void) +{ + int rc, ret = -1; + int i; + + for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) { + memset(&sata_dev_desc[i], 0, sizeof(struct blk_desc)); + sata_dev_desc[i].if_type = IF_TYPE_SATA; + sata_dev_desc[i].devnum = 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].log2blksz = LOG2(sata_dev_desc[i].blksz); +#ifndef CONFIG_BLK + sata_dev_desc[i].block_read = sata_bread; + sata_dev_desc[i].block_write = sata_bwrite; +#endif + rc = init_sata(i); + if (!rc) { + rc = scan_sata(i); + if (!rc && sata_dev_desc[i].lba > 0 && + sata_dev_desc[i].blksz > 0) { + part_init(&sata_dev_desc[i]); + ret = i; + } + } + } + + return ret; +} +int sata_initialize(void) __attribute__((weak, alias("__sata_initialize"))); + +__weak int __sata_stop(void) +{ + int i, err = 0; + + for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) + err |= reset_sata(i); + + if (err) + printf("Could not reset some SATA devices\n"); + + return err; +} +int sata_stop(void) __attribute__((weak, alias("__sata_stop"))); +#endif + +#ifdef CONFIG_BLK +static const struct blk_ops sata_blk_ops = { + .read = sata_bread, + .write = sata_bwrite, +}; + +U_BOOT_DRIVER(sata_blk) = { + .name = "sata_blk", + .id = UCLASS_BLK, + .ops = &sata_blk_ops, +}; +#else +U_BOOT_LEGACY_BLK(sata) = { + .if_typename = "sata", + .if_type = IF_TYPE_SATA, + .max_devs = CONFIG_SYS_SATA_MAX_DEVICE, + .desc = sata_dev_desc, +}; +#endif |