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0f90b1e715
Remove DECLARE_GLOBAL_DATA_PTR from files where gd is not used, and drop the unnecessary inclusion of asm/global_data.h. Headers should be included directly by the files that need them, rather than indirectly via global_data.h. Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> #STMicroelectronics boards and STM32MP1 ram test driver Tested-by: Anshul Dalal <anshuld@ti.com> #TI boards Acked-by: Yao Zi <me@ziyao.cc> #TH1520 Signed-off-by: Peng Fan <peng.fan@nxp.com>
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2013 Henrik Nordstrom <henrik@henriknordstrom.net>
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*/
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#include <blk.h>
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#include <dm.h>
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#include <fdtdec.h>
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#include <part.h>
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#include <os.h>
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#include <malloc.h>
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#include <sandbox_host.h>
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#include <dm/device_compat.h>
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#include <dm/device-internal.h>
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#include <linux/errno.h>
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static unsigned long host_block_read(struct udevice *dev,
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lbaint_t start, lbaint_t blkcnt,
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void *buffer)
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{
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struct blk_desc *desc = dev_get_uclass_plat(dev);
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struct udevice *host_dev = dev_get_parent(dev);
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struct host_sb_plat *plat = dev_get_plat(host_dev);
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if (os_lseek(plat->fd, start * desc->blksz, OS_SEEK_SET) < 0) {
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printf("ERROR: Invalid block " LBAF "\n", start);
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return -1;
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}
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ssize_t len = os_read(plat->fd, buffer, blkcnt * desc->blksz);
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if (len >= 0)
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return len / desc->blksz;
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return -EIO;
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}
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static unsigned long host_block_write(struct udevice *dev,
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lbaint_t start, lbaint_t blkcnt,
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const void *buffer)
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{
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struct blk_desc *desc = dev_get_uclass_plat(dev);
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struct udevice *host_dev = dev_get_parent(dev);
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struct host_sb_plat *plat = dev_get_plat(host_dev);
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if (os_lseek(plat->fd, start * desc->blksz, OS_SEEK_SET) < 0) {
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printf("ERROR: Invalid block " LBAF "\n", start);
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return -1;
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}
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ssize_t len = os_write(plat->fd, buffer, blkcnt * desc->blksz);
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if (len >= 0)
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return len / desc->blksz;
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return -EIO;
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}
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static const struct blk_ops sandbox_host_blk_ops = {
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.read = host_block_read,
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.write = host_block_write,
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};
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U_BOOT_DRIVER(sandbox_host_blk) = {
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.name = "sandbox_host_blk",
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.id = UCLASS_BLK,
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.ops = &sandbox_host_blk_ops,
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};
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