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authorSjur Brændeland <sjur.brandeland@stericsson.com>2012-06-19 11:08:18 +0400
committerOhad Ben-Cohen <ohad@wizery.com>2012-07-15 12:39:01 +0400
commit4afc89d66c60a372ec15e99eee93621f650b5d17 (patch)
treea6e8c4cd9ea726de73e967b2f0372230ba73a550 /drivers/remoteproc/remoteproc_elf_loader.c
parent72854fb042b15b6139031a59c4725b3d86708352 (diff)
downloadlinux-4afc89d66c60a372ec15e99eee93621f650b5d17.tar.xz
remoteproc: Support custom firmware handlers
Firmware handling is made customizable. This is done by creating a separate ops structure for the firmware functions that depends on a particular firmware format (such as ELF). The ELF functions are default used unless the HW driver explicitly injects another firmware handler by updating rproc->fw_ops. The function rproc_da_to_va() is exported, as custom firmware handlers may need to use this function. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> [ohad: namespace fixes, whitespace fixes, style fixes] Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Diffstat (limited to 'drivers/remoteproc/remoteproc_elf_loader.c')
-rw-r--r--drivers/remoteproc/remoteproc_elf_loader.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
index 2c6fe6ad2d95..6eebd01ea985 100644
--- a/drivers/remoteproc/remoteproc_elf_loader.c
+++ b/drivers/remoteproc/remoteproc_elf_loader.c
@@ -33,14 +33,14 @@
#include "remoteproc_internal.h"
/**
- * rproc_fw_sanity_check() - Sanity Check ELF firmware image
+ * rproc_elf_sanity_check() - Sanity Check ELF firmware image
* @rproc: the remote processor handle
* @fw: the ELF firmware image
*
* Make sure this fw image is sane.
*/
-int
-rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw)
+static int
+rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw)
{
const char *name = rproc->firmware;
struct device *dev = &rproc->dev;
@@ -100,7 +100,7 @@ rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw)
}
/**
- * rproc_get_boot_addr() - Get rproc's boot address.
+ * rproc_elf_get_boot_addr() - Get rproc's boot address.
* @rproc: the remote processor handle
* @fw: the ELF firmware image
*
@@ -110,7 +110,8 @@ rproc_fw_sanity_check(struct rproc *rproc, const struct firmware *fw)
* Note that the boot address is not a configurable property of all remote
* processors. Some will always boot at a specific hard-coded address.
*/
-u32 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw)
+static
+u32 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw)
{
struct elf32_hdr *ehdr = (struct elf32_hdr *)fw->data;
@@ -118,7 +119,7 @@ u32 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw)
}
/**
- * rproc_load_segments() - load firmware segments to memory
+ * rproc_elf_load_segments() - load firmware segments to memory
* @rproc: remote processor which will be booted using these fw segments
* @fw: the ELF firmware image
*
@@ -141,8 +142,8 @@ u32 rproc_get_boot_addr(struct rproc *rproc, const struct firmware *fw)
* directly allocate memory for every segment/resource. This is not yet
* supported, though.
*/
-int
-rproc_load_segments(struct rproc *rproc, const struct firmware *fw)
+static int
+rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
{
struct device *dev = &rproc->dev;
struct elf32_hdr *ehdr;
@@ -208,7 +209,7 @@ rproc_load_segments(struct rproc *rproc, const struct firmware *fw)
}
/**
- * rproc_find_rsc_table() - find the resource table
+ * rproc_elf_find_rsc_table() - find the resource table
* @rproc: the rproc handle
* @fw: the ELF firmware image
* @tablesz: place holder for providing back the table size
@@ -222,8 +223,8 @@ rproc_load_segments(struct rproc *rproc, const struct firmware *fw)
* size into @tablesz. If a valid table isn't found, NULL is returned
* (and @tablesz isn't set).
*/
-struct resource_table *
-rproc_find_rsc_table(struct rproc *rproc, const struct firmware *fw,
+static struct resource_table *
+rproc_elf_find_rsc_table(struct rproc *rproc, const struct firmware *fw,
int *tablesz)
{
struct elf32_hdr *ehdr;
@@ -285,3 +286,10 @@ rproc_find_rsc_table(struct rproc *rproc, const struct firmware *fw,
return table;
}
+
+const struct rproc_fw_ops rproc_elf_fw_ops = {
+ .load = rproc_elf_load_segments,
+ .find_rsc_table = rproc_elf_find_rsc_table,
+ .sanity_check = rproc_elf_sanity_check,
+ .get_boot_addr = rproc_elf_get_boot_addr
+};