KumiSystems/openwrtv3
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

bcm53xx: use bcm47xx_nvram.c with the latest patches

Browse source 
This will be hopefully a mainline version.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 45204
This commit is contained in:
Rafał Miłecki 2015-04-01 07:21:59 +00:00
parent 36e10677df
commit bf828d3fd0
2 changed files with 24 additions and 53 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
target/linux/bcm53xx/files/drivers/firmware/broadcom/bcm47xx_nvram.c
View file

@ -11,6 +11,7 @@
* option) any later version.
*/
#include <linux/io.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/kernel.h>
@ -19,7 +20,7 @@
#include <linux/bcm47xx_nvram.h>
#define NVRAM_MAGIC 0x48534C46 /* 'FLSH' */
#define NVRAM_SPACE 0x8000
#define NVRAM_SPACE 0x10000
#define NVRAM_MAX_GPIO_ENTRIES 32
#define NVRAM_MAX_GPIO_VALUE_LEN 30
@ -138,36 +139,28 @@ static int nvram_init(void)
struct mtd_info *mtd;
struct nvram_header header;
size_t bytes_read;
int err, i;
int err;
mtd = get_mtd_device_nm("nvram");
if (IS_ERR(mtd))
return -ENODEV;
for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) {
loff_t from = mtd->size - nvram_sizes[i];
err = mtd_read(mtd, 0, sizeof(header), &bytes_read, (uint8_t *)&header);
if (!err && header.magic == NVRAM_MAGIC) {
u8 *dst = (uint8_t *)nvram_buf;
size_t len = header.len;
if (from < 0)
continue;
err = mtd_read(mtd, from, sizeof(header), &bytes_read,
(uint8_t *)&header);
if (!err && header.magic == NVRAM_MAGIC) {
u8 *dst = (uint8_t *)nvram_buf;
size_t len = header.len;
if (header.len > NVRAM_SPACE) {
pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
header.len, NVRAM_SPACE);
len = NVRAM_SPACE;
}
err = mtd_read(mtd, from, len, &bytes_read, dst);
if (err)
return err;
return 0;
if (header.len > NVRAM_SPACE) {
pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
header.len, NVRAM_SPACE);
len = NVRAM_SPACE;
}
err = mtd_read(mtd, 0, len, &bytes_read, dst);
if (err)
return err;
return 0;
}
#endif

36
target/linux/bcm53xx/patches-3.18/110-firmware-backport-NVRAM-driver.patch
View file

@ -8,14 +8,13 @@ Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
arch/arm/Kconfig | 2 ++
drivers/firmware/Kconfig | 1 +
drivers/firmware/Makefile | 1 +
drivers/firmware/broadcom/bcm47xx_nvram.c | 3 ++-
drivers/net/ethernet/broadcom/b44.c | 2 +-
drivers/net/ethernet/broadcom/bgmac.c | 2 +-
drivers/ssb/driver_chipcommon_pmu.c | 2 +-
7 files changed, 9 insertions(+), 4 deletions(-)
arch/arm/Kconfig | 2 ++
drivers/firmware/Kconfig | 1 +
drivers/firmware/Makefile | 1 +
drivers/net/ethernet/broadcom/b44.c | 2 +-
drivers/net/ethernet/broadcom/bgmac.c | 2 +-
drivers/ssb/driver_chipcommon_pmu.c | 2 +-
6 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4733d32..ab18030 100644
@ -54,27 +53,6 @@ index 5373dc5..e251f2b 100644
obj-$(CONFIG_GOOGLE_FIRMWARE) += google/
obj-$(CONFIG_EFI) += efi/
obj-$(CONFIG_UEFI_CPER) += efi/
diff --git a/drivers/firmware/broadcom/bcm47xx_nvram.c b/drivers/firmware/broadcom/bcm47xx_nvram.c
index b6e1cc7..8ca7358 100644
--- a/drivers/firmware/broadcom/bcm47xx_nvram.c
+++ b/drivers/firmware/broadcom/bcm47xx_nvram.c
@@ -11,6 +11,7 @@
* option) any later version.
*/
+#include <linux/io.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/kernel.h>
@@ -34,7 +35,7 @@ struct nvram_header {
};
static char nvram_buf[NVRAM_SPACE];
-static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
+static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000, 0x160000, 0x180000};
static u32 find_nvram_size(void __iomem *end)
{
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index 8a7bf7d..bf3bcd6 100644
--- a/drivers/net/ethernet/broadcom/b44.c