[RESEND PATCH v2 3/3] net: fm: Support loading firmware from a filesystem
Sean Anderson
sean.anderson at seco.com
Fri Apr 22 19:30:32 CEST 2022
This adds a new method to load Fman firmware from a filesystem. This
allows users to use regular files instead of hard-coded offsets for the
firmware.
Signed-off-by: Sean Anderson <sean.anderson at seco.com>
---
(no changes since v1)
drivers/net/fm/fm.c | 25 ++++++++++++++++++++++++-
drivers/qe/Kconfig | 4 ++++
2 files changed, 28 insertions(+), 1 deletion(-)
diff --git a/drivers/net/fm/fm.c b/drivers/net/fm/fm.c
index aa0cc69232..39b939cb97 100644
--- a/drivers/net/fm/fm.c
+++ b/drivers/net/fm/fm.c
@@ -5,6 +5,7 @@
*/
#include <common.h>
#include <env.h>
+#include <fs_loader.h>
#include <malloc.h>
#include <asm/io.h>
#include <dm/device_compat.h>
@@ -453,7 +454,29 @@ int fm_init_common(int index, struct ccsr_fman *reg, const char *firmware_name)
int fm_init_common(int index, struct ccsr_fman *reg, const char *firmware_name)
{
int rc;
-#if defined(CONFIG_SYS_QE_FMAN_FW_IN_NOR)
+#if defined(CONFIG_SYS_QE_FMAN_FW_IN_FS)
+ struct udevice *fs_loader;
+ void *addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
+
+ if (!addr)
+ return -ENOMEM;
+
+ rc = get_fs_loader(&fs_loader);
+ if (rc) {
+ debug("could not get fs loader: %d\n", rc);
+ return rc;
+ }
+
+ if (!firmware_name)
+ firmware_name = "fman.itb";
+
+ rc = request_firmware_into_buf(fs_loader, firmware_name, addr,
+ CONFIG_SYS_QE_FMAN_FW_LENGTH, 0);
+ if (rc < 0) {
+ debug("could not request %s: %d\n", firmware_name, rc);
+ return rc;
+ }
+#elif defined(CONFIG_SYS_QE_FMAN_FW_IN_NOR)
void *addr = (void *)CONFIG_SYS_FMAN_FW_ADDR;
#elif defined(CONFIG_SYS_QE_FMAN_FW_IN_NAND)
size_t fw_length = CONFIG_SYS_QE_FMAN_FW_LENGTH;
diff --git a/drivers/qe/Kconfig b/drivers/qe/Kconfig
index c44a81f69a..89a75c175b 100644
--- a/drivers/qe/Kconfig
+++ b/drivers/qe/Kconfig
@@ -27,6 +27,10 @@ choice
depends on FMAN_ENET || QE
default SYS_QE_FMAN_FW_IN_ROM
+config SYS_QE_FMAN_FW_IN_FS
+ depends on FS_LOADER && FMAN_ENET
+ bool "Filesystem"
+
config SYS_QE_FMAN_FW_IN_NOR
bool "NOR flash"
--
2.35.1.1320.gc452695387.dirty
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