--- /dev/null
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include <platform_def.h>
+
+#include <common/debug.h>
+#include <drivers/io/io_driver.h>
+#include <drivers/io/io_memmap.h>
+#include <drivers/io/io_storage.h>
+#include <lib/utils.h>
+
+#include "drivers/qspi/cadence_qspi.h"
+
+/* As we need to be able to keep state for seek, only one file can be open
+ * at a time. Make this a structure and point to the entity->info. When we
+ * can malloc memory we can change this to support more open files.
+ */
+typedef struct {
+ /* Use the 'in_use' flag as any value for base and file_pos could be
+ * valid.
+ */
+ int in_use;
+ uintptr_t base;
+ size_t file_pos;
+ size_t size;
+} file_state_t;
+
+static file_state_t current_file = {0};
+
+/* Identify the device type as memmap */
+static io_type_t device_type_memmap(void)
+{
+ return IO_TYPE_MEMMAP;
+}
+
+/* Memmap device functions */
+static int memmap_dev_open(const uintptr_t dev_spec, io_dev_info_t **dev_info);
+static int memmap_block_open(io_dev_info_t *dev_info, const uintptr_t spec,
+ io_entity_t *entity);
+static int memmap_block_seek(io_entity_t *entity, int mode,
+ ssize_t offset);
+static int memmap_block_len(io_entity_t *entity, size_t *length);
+static int memmap_block_read(io_entity_t *entity, uintptr_t buffer,
+ size_t length, size_t *length_read);
+static int memmap_block_write(io_entity_t *entity, const uintptr_t buffer,
+ size_t length, size_t *length_written);
+static int memmap_block_close(io_entity_t *entity);
+static int memmap_dev_close(io_dev_info_t *dev_info);
+
+
+static const io_dev_connector_t memmap_dev_connector = {
+ .dev_open = memmap_dev_open
+};
+
+
+static const io_dev_funcs_t memmap_dev_funcs = {
+ .type = device_type_memmap,
+ .open = memmap_block_open,
+ .seek = memmap_block_seek,
+ .size = memmap_block_len,
+ .read = memmap_block_read,
+ .write = memmap_block_write,
+ .close = memmap_block_close,
+ .dev_init = NULL,
+ .dev_close = memmap_dev_close,
+};
+
+
+/* No state associated with this device so structure can be const */
+static const io_dev_info_t memmap_dev_info = {
+ .funcs = &memmap_dev_funcs,
+ .info = (uintptr_t)NULL
+};
+
+
+/* Open a connection to the memmap device */
+static int memmap_dev_open(const uintptr_t dev_spec __unused,
+ io_dev_info_t **dev_info)
+{
+ assert(dev_info != NULL);
+ *dev_info = (io_dev_info_t *)&memmap_dev_info; /* cast away const */
+
+ return 0;
+}
+
+
+
+/* Close a connection to the memmap device */
+static int memmap_dev_close(io_dev_info_t *dev_info)
+{
+ /* NOP */
+ /* TODO: Consider tracking open files and cleaning them up here */
+ return 0;
+}
+
+
+/* Open a file on the memmap device */
+static int memmap_block_open(io_dev_info_t *dev_info, const uintptr_t spec,
+ io_entity_t *entity)
+{
+ int result = -ENOMEM;
+ const io_block_spec_t *block_spec = (io_block_spec_t *)spec;
+
+ /* Since we need to track open state for seek() we only allow one open
+ * spec at a time. When we have dynamic memory we can malloc and set
+ * entity->info.
+ */
+ if (current_file.in_use == 0) {
+ assert(block_spec != NULL);
+ assert(entity != NULL);
+
+ current_file.in_use = 1;
+ current_file.base = block_spec->offset;
+ /* File cursor offset for seek and incremental reads etc. */
+ current_file.file_pos = 0;
+ current_file.size = block_spec->length;
+ entity->info = (uintptr_t)¤t_file;
+ result = 0;
+ } else {
+ WARN("A Memmap device is already active. Close first.\n");
+ }
+
+ return result;
+}
+
+
+/* Seek to a particular file offset on the memmap device */
+static int memmap_block_seek(io_entity_t *entity, int mode, ssize_t offset)
+{
+ int result = -ENOENT;
+ file_state_t *fp;
+
+ /* We only support IO_SEEK_SET for the moment. */
+ if (mode == IO_SEEK_SET) {
+ assert(entity != NULL);
+
+ fp = (file_state_t *) entity->info;
+
+ /* Assert that new file position is valid */
+ assert((offset >= 0) && (offset < fp->size));
+
+ /* Reset file position */
+ fp->file_pos = offset;
+ result = 0;
+ }
+
+ return result;
+}
+
+
+/* Return the size of a file on the memmap device */
+static int memmap_block_len(io_entity_t *entity, size_t *length)
+{
+ assert(entity != NULL);
+ assert(length != NULL);
+
+ *length = ((file_state_t *)entity->info)->size;
+
+ return 0;
+}
+
+
+/* Read data from a file on the memmap device */
+static int memmap_block_read(io_entity_t *entity, uintptr_t buffer,
+ size_t length, size_t *length_read)
+{
+ file_state_t *fp;
+ size_t pos_after;
+
+ assert(entity != NULL);
+ assert(length_read != NULL);
+
+ fp = (file_state_t *) entity->info;
+
+ /* Assert that file position is valid for this read operation */
+ pos_after = fp->file_pos + length;
+ assert((pos_after >= fp->file_pos) && (pos_after <= fp->size));
+
+ //memcpy((void *)buffer, (void *)(fp->base + fp->file_pos), length);
+ cad_qspi_read((void *)buffer, fp->base + fp->file_pos, length);
+ *length_read = length;
+
+ /* Set file position after read */
+ fp->file_pos = pos_after;
+
+ return 0;
+}
+
+
+/* Write data to a file on the memmap device */
+static int memmap_block_write(io_entity_t *entity, const uintptr_t buffer,
+ size_t length, size_t *length_written)
+{
+ file_state_t *fp;
+ size_t pos_after;
+
+ assert(entity != NULL);
+ assert(length_written != NULL);
+
+ fp = (file_state_t *) entity->info;
+
+ /* Assert that file position is valid for this write operation */
+ pos_after = fp->file_pos + length;
+ assert((pos_after >= fp->file_pos) && (pos_after <= fp->size));
+
+ memcpy((void *)(fp->base + fp->file_pos), (void *)buffer, length);
+
+ *length_written = length;
+
+ /* Set file position after write */
+ fp->file_pos = pos_after;
+
+ return 0;
+}
+
+
+/* Close a file on the memmap device */
+static int memmap_block_close(io_entity_t *entity)
+{
+ assert(entity != NULL);
+
+ entity->info = 0;
+
+ /* This would be a mem free() if we had malloc.*/
+ zeromem((void *)¤t_file, sizeof(current_file));
+
+ return 0;
+}
+
+
+/* Exported functions */
+
+/* Register the memmap driver with the IO abstraction */
+int register_io_dev_memmap(const io_dev_connector_t **dev_con)
+{
+ int result;
+
+ assert(dev_con != NULL);
+
+ result = io_register_device(&memmap_dev_info);
+ if (result == 0)
+ *dev_con = &memmap_dev_connector;
+
+ return result;
+}
#include <lib/utils.h>
#include <common/tbbr/tbbr_img_def.h>
#include "platform_def.h"
+#include "aarch64/stratix10_private.h"
+
+#define STRATIX10_FIP_BASE (0)
+#define STRATIX10_FIP_MAX_SIZE (0x1000000)
+#define STRATIX10_MMC_DATA_BASE (0xffe3c000)
+#define STRATIX10_MMC_DATA_SIZE (0x2000)
+#define STRATIX10_QSPI_DATA_BASE (0x3C00000)
+#define STRATIX10_QSPI_DATA_SIZE (0x1000000)
-#define STRATIX10_FIP_BASE (0)
-#define STRATIX10_FIP_MAX_SIZE (0x1000000)
-#define STRATIX10_MMC_DATA_BASE (0xffe3c000)
-#define STRATIX10_MMC_DATA_SIZE (0x2000)
-static const io_dev_connector_t *mmc_dev_con;
static const io_dev_connector_t *fip_dev_con;
+static const io_dev_connector_t *boot_dev_con;
static uintptr_t fip_dev_handle;
-static uintptr_t mmc_dev_handle;
+static uintptr_t boot_dev_handle;
static const io_uuid_spec_t bl2_uuid_spec = {
.uuid = UUID_TRUSTED_BOOT_FIRMWARE_BL2,
};
uintptr_t a2_lba_offset;
+const char a2[] = {0xa2, 0x0};
static const io_block_spec_t gpt_block_spec = {
.offset = 0,
.length = MMC_BLOCK_SIZE
};
-static int check_mmc(const uintptr_t spec);
static int check_fip(const uintptr_t spec);
+static int check_dev(const uintptr_t spec);
-static io_block_spec_t mmc_fip_spec = {
+static io_block_dev_spec_t boot_dev_spec;
+static int (*register_io_dev)(const io_dev_connector_t **);
+
+static io_block_spec_t fip_spec = {
.offset = STRATIX10_FIP_BASE,
.length = STRATIX10_FIP_MAX_SIZE,
};
-const char a2[] = {0xa2, 0x0};
-
-static const io_block_dev_spec_t mmc_dev_spec = {
- .buffer = {
- .offset = STRATIX10_MMC_DATA_BASE,
- .length = MMC_BLOCK_SIZE,
- },
-
- .ops = {
- .read = mmc_read_blocks,
- .write = mmc_write_blocks,
- },
-
- .block_size = MMC_BLOCK_SIZE,
-};
-
struct plat_io_policy {
- uintptr_t *dev_handle;
- uintptr_t image_spec;
- int (*check)(const uintptr_t spec);
+ uintptr_t *dev_handle;
+ uintptr_t image_spec;
+ int (*check)(const uintptr_t spec);
};
static const struct plat_io_policy policies[] = {
[FIP_IMAGE_ID] = {
- &mmc_dev_handle,
- (uintptr_t)&mmc_fip_spec,
- check_mmc
+ &boot_dev_handle,
+ (uintptr_t)&fip_spec,
+ check_dev
},
[BL2_IMAGE_ID] = {
&fip_dev_handle,
check_fip
},
[GPT_IMAGE_ID] = {
- &mmc_dev_handle,
+ &boot_dev_handle,
(uintptr_t) &gpt_block_spec,
- check_mmc
+ check_dev
},
};
-static int check_mmc(const uintptr_t spec)
+static int check_dev(const uintptr_t spec)
{
int result;
uintptr_t local_handle;
- result = io_dev_init(mmc_dev_handle, (uintptr_t)NULL);
+ result = io_dev_init(boot_dev_handle, (uintptr_t)NULL);
if (result == 0) {
- result = io_open(mmc_dev_handle, spec, &local_handle);
+ result = io_open(boot_dev_handle, spec, &local_handle);
if (result == 0)
io_close(local_handle);
}
return result;
}
-void stratix10_io_setup(void)
+void stratix10_io_setup(int boot_source)
{
int result;
- result = register_io_dev_block(&mmc_dev_con);
+ switch (boot_source) {
+ case BOOT_SOURCE_SDMMC:
+ register_io_dev = ®ister_io_dev_block;
+ boot_dev_spec.buffer.offset = STRATIX10_MMC_DATA_BASE;
+ boot_dev_spec.buffer.length = MMC_BLOCK_SIZE;
+ boot_dev_spec.ops.read = mmc_read_blocks;
+ boot_dev_spec.ops.write = mmc_write_blocks;
+ boot_dev_spec.block_size = MMC_BLOCK_SIZE;
+ break;
+
+ case BOOT_SOURCE_QSPI:
+ register_io_dev = ®ister_io_dev_memmap;
+ fip_spec.offset = fip_spec.offset + STRATIX10_QSPI_DATA_BASE;
+ break;
+
+ default:
+ ERROR("Unsupported boot source\n");
+ panic();
+ break;
+ }
+
+ result = (*register_io_dev)(&boot_dev_con);
assert(result == 0);
result = register_io_dev_fip(&fip_dev_con);
assert(result == 0);
- result = io_dev_open(mmc_dev_con, (uintptr_t)&mmc_dev_spec,
- &mmc_dev_handle);
+ result = io_dev_open(boot_dev_con, (uintptr_t)&boot_dev_spec,
+ &boot_dev_handle);
assert(result == 0);
result = io_dev_open(fip_dev_con, (uintptr_t)NULL, &fip_dev_handle);
assert(result == 0);
- partition_init(GPT_IMAGE_ID);
-
- mmc_fip_spec.offset = get_partition_entry(a2)->start;
+ if (boot_source == BOOT_SOURCE_SDMMC) {
+ partition_init(GPT_IMAGE_ID);
+ fip_spec.offset = get_partition_entry(a2)->start;
+ }
(void)result;
}
projects / project / bcm63xx / atf.git / commitdiff