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bcm53xx: use static NVRAM pointer for now

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This will allow us to sync with code sent for upstream.

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

SVN-Revision: 43608
This commit is contained in:
Rafał Miłecki 2014-12-10 19:56:56 +00:00
parent a1da38f7b1
commit b0b43e1ef9
4 changed files with 14 additions and 534 deletions
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21
target/linux/bcm53xx/files/drivers/misc/bcm47xx-nvram.c
View File

@ -39,6 +39,8 @@ struct bcm47xx_nvram {
char *nvram_buf;
};
static struct bcm47xx_nvram *nvram = NULL;
static const u32 nvram_sizes[] = {0x8000, 0xF000, 0x10000};
static u32 find_nvram_size(void __iomem *end)
@ -117,16 +119,9 @@ found:
return 0;
}
int bcm47xx_nvram_getenv(const struct device *dev, const char *name, char *val,
size_t val_len)
int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len)
{
char *var, *value, *end, *eq;
struct bcm47xx_nvram *nvram;
if (!dev)
return -ENODEV;
nvram = dev_get_drvdata(dev);
if (!name || !nvram || !nvram->nvram_len)
return -EINVAL;
@ -149,20 +144,17 @@ int bcm47xx_nvram_getenv(const struct device *dev, const char *name, char *val,
}
EXPORT_SYMBOL(bcm47xx_nvram_getenv);
int bcm47xx_nvram_gpio_pin(const struct device *dev, const char *name)
int bcm47xx_nvram_gpio_pin(const char *name)
{
int i, err;
char nvram_var[10];
char buf[30];
if (!dev)
return -ENODEV;
for (i = 0; i < 32; i++) {
err = snprintf(nvram_var, sizeof(nvram_var), "gpio%i", i);
if (err <= 0)
continue;
err = bcm47xx_nvram_getenv(dev, nvram_var, buf, sizeof(buf));
err = bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf));
if (err <= 0)
continue;
if (!strcmp(name, buf))
@ -176,7 +168,6 @@ static int bcm47xx_nvram_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct bcm47xx_nvram *nvram;
int err;
struct resource flash_mem;
void __iomem *mmio;
@ -199,8 +190,6 @@ static int bcm47xx_nvram_probe(struct platform_device *pdev)
if (err)
goto err_unmap_mmio;
platform_set_drvdata(pdev, nvram);
err_unmap_mmio:
iounmap(mmio);
return err;

4
target/linux/bcm53xx/files/drivers/misc/bcm47xx-sprom.c
View File

@ -637,9 +637,7 @@ static void bcm47xx_sprom_fill(struct ssb_sprom *sprom,
static int bcm47xx_sprom_getenv(const struct bcm47xx_sprom_fill *fill,
const char *name, char *val, size_t val_len)
{
const struct platform_device *nvram_dev = fill->priv;
return bcm47xx_nvram_getenv(&nvram_dev->dev, name, val, val_len);
return bcm47xx_nvram_getenv(name, val, val_len);
};
static int bcm47xx_sprom_probe(struct platform_device *pdev)

248
target/linux/bcm53xx/patches-3.14/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch
View File

@ -59,184 +59,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ compatible = "brcm,bcm47xx-nvram";
+ reg = <0x1c000000 0x01000000>;
+};
--- a/arch/mips/bcm47xx/board.c
+++ b/arch/mips/bcm47xx/board.c
@@ -196,50 +196,50 @@ static __init const struct bcm47xx_board
const struct bcm47xx_board_type_list2 *e2;
const struct bcm47xx_board_type_list3 *e3;
- if (bcm47xx_nvram_getenv("model_name", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "model_name", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_model_name; e1->value1; e1++) {
if (!strcmp(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("model_no", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "model_no", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_model_no; e1->value1; e1++) {
if (strstarts(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("machine_name", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "machine_name", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_machine_name; e1->value1; e1++) {
if (strstarts(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "hardware_version", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_hardware_version; e1->value1; e1++) {
if (strstarts(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("productid", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "productid", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_productid; e1->value1; e1++) {
if (!strcmp(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("ModelId", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "ModelId", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_ModelId; e1->value1; e1++) {
if (!strcmp(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("melco_id", buf1, sizeof(buf1)) >= 0 ||
- bcm47xx_nvram_getenv("buf1falo_id", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "melco_id", buf1, sizeof(buf1)) >= 0 ||
+ bcm47xx_nvram_getenv(NULL, "buf1falo_id", buf1, sizeof(buf1)) >= 0) {
/* buffalo hardware, check id for specific hardware matches */
for (e1 = bcm47xx_board_list_melco_id; e1->value1; e1++) {
if (!strcmp(buf1, e1->value1))
@@ -247,8 +247,8 @@ static __init const struct bcm47xx_board
}
}
- if (bcm47xx_nvram_getenv("boot_hw_model", buf1, sizeof(buf1)) >= 0 &&
- bcm47xx_nvram_getenv("boot_hw_ver", buf2, sizeof(buf2)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "boot_hw_model", buf1, sizeof(buf1)) >= 0 &&
+ bcm47xx_nvram_getenv(NULL, "boot_hw_ver", buf2, sizeof(buf2)) >= 0) {
for (e2 = bcm47xx_board_list_boot_hw; e2->value1; e2++) {
if (!strcmp(buf1, e2->value1) &&
!strcmp(buf2, e2->value2))
@@ -256,16 +256,16 @@ static __init const struct bcm47xx_board
}
}
- if (bcm47xx_nvram_getenv("board_id", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "board_id", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_board_id; e1->value1; e1++) {
if (!strcmp(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 &&
- bcm47xx_nvram_getenv("boardnum", buf2, sizeof(buf2)) >= 0 &&
- bcm47xx_nvram_getenv("boardrev", buf3, sizeof(buf3)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "boardtype", buf1, sizeof(buf1)) >= 0 &&
+ bcm47xx_nvram_getenv(NULL, "boardnum", buf2, sizeof(buf2)) >= 0 &&
+ bcm47xx_nvram_getenv(NULL, "boardrev", buf3, sizeof(buf3)) >= 0) {
for (e3 = bcm47xx_board_list_board; e3->value1; e3++) {
if (!strcmp(buf1, e3->value1) &&
!strcmp(buf2, e3->value2) &&
@@ -286,7 +286,7 @@ void __init bcm47xx_board_detect(void)
return;
/* check if the nvram is available */
- err = bcm47xx_nvram_getenv("boardtype", buf, sizeof(buf));
+ err = bcm47xx_nvram_getenv(NULL, "boardtype", buf, sizeof(buf));
/* init of nvram failed, probably too early now */
if (err == -ENXIO) {
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -158,7 +158,8 @@ static int nvram_init(void)
return -ENXIO;
}
-int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len)
+int bcm47xx_nvram_getenv(const struct device *dev, const char *name, char *val,
+ size_t val_len)
{
char *var, *value, *end, *eq;
int err;
@@ -190,7 +191,7 @@ int bcm47xx_nvram_getenv(char *name, cha
}
EXPORT_SYMBOL(bcm47xx_nvram_getenv);
-int bcm47xx_nvram_gpio_pin(const char *name)
+int bcm47xx_nvram_gpio_pin(const struct device *dev, const char *name)
{
int i, err;
char nvram_var[10];
@@ -200,7 +201,7 @@ int bcm47xx_nvram_gpio_pin(const char *n
err = snprintf(nvram_var, sizeof(nvram_var), "gpio%i", i);
if (err <= 0)
continue;
- err = bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf));
+ err = bcm47xx_nvram_getenv(dev, nvram_var, buf, sizeof(buf));
if (err <= 0)
continue;
if (!strcmp(name, buf))
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -123,7 +123,7 @@ static int bcm47xx_get_invariants(struct
memset(&iv->sprom, 0, sizeof(struct ssb_sprom));
bcm47xx_fill_sprom(&iv->sprom, NULL, false);
- if (bcm47xx_nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
+ if (bcm47xx_nvram_getenv(NULL, "cardbus", buf, sizeof(buf)) >= 0)
iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
return 0;
@@ -146,7 +146,7 @@ static void __init bcm47xx_register_ssb(
panic("Failed to initialize SSB bus (err %d)", err);
mcore = &bcm47xx_bus.ssb.mipscore;
- if (bcm47xx_nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "kernel_args", buf, sizeof(buf)) >= 0) {
if (strstr(buf, "console=ttyS1")) {
struct ssb_serial_port port;
--- a/arch/mips/bcm47xx/sprom.c
+++ b/arch/mips/bcm47xx/sprom.c
@@ -50,10 +50,10 @@ static int get_nvram_var(const char *pre
create_key(prefix, postfix, name, key, sizeof(key));
- err = bcm47xx_nvram_getenv(key, buf, len);
+ err = bcm47xx_nvram_getenv(NULL, key, buf, len);
if (fallback && err == -ENOENT && prefix) {
create_key(NULL, postfix, name, key, sizeof(key));
- err = bcm47xx_nvram_getenv(key, buf, len);
+ err = bcm47xx_nvram_getenv(NULL, key, buf, len);
}
return err;
}
--- a/arch/mips/bcm47xx/time.c
+++ b/arch/mips/bcm47xx/time.c
@@ -61,7 +61,7 @@ void __init plat_time_init(void)
}
if (chip_id == 0x5354) {
- len = bcm47xx_nvram_getenv("clkfreq", buf, sizeof(buf));
+ len = bcm47xx_nvram_getenv(NULL, "clkfreq", buf, sizeof(buf));
if (len >= 0 && !strncmp(buf, "200", 4))
hz = 100000000;
}
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -515,6 +515,11 @@ config SRAM
@ -258,81 +80,17 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
obj-y += mic/
obj-$(CONFIG_GENWQE) += genwqe/
+obj-$(CONFIG_BCM47XX_NVRAM) += bcm47xx-nvram.o
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -411,7 +411,7 @@ static void b44_wap54g10_workaround(stru
* see https://dev.openwrt.org/ticket/146
* check and reset bit "isolate"
*/
- if (bcm47xx_nvram_getenv("boardnum", buf, sizeof(buf)) < 0)
+ if (bcm47xx_nvram_getenv(NULL, "boardnum", buf, sizeof(buf)) < 0)
return;
if (simple_strtoul(buf, NULL, 0) == 2) {
err = __b44_readphy(bp, 0, MII_BMCR, &val);
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -974,7 +974,8 @@ static void bgmac_chip_reset(struct bgma
BGMAC_CHIPCTL_1_IF_TYPE_MII;
char buf[4];
- if (bcm47xx_nvram_getenv("et_swtype", buf, sizeof(buf)) > 0) {
+ if (bcm47xx_nvram_getenv(NULL, "et_swtype", buf,
+ sizeof(buf)) > 0) {
if (kstrtou8(buf, 0, &et_swtype))
bgmac_err(bgmac, "Failed to parse et_swtype (%s)\n",
buf);
@@ -1534,7 +1535,7 @@ static int bgmac_probe(struct bcma_devic
}
bgmac->int_mask = BGMAC_IS_ERRMASK | BGMAC_IS_RX | BGMAC_IS_TX_MASK;
- if (bcm47xx_nvram_getenv("et0_no_txint", NULL, 0) == 0)
+ if (bcm47xx_nvram_getenv(NULL, "et0_no_txint", NULL, 0) == 0)
bgmac->int_mask &= ~BGMAC_IS_TX_MASK;
/* TODO: reset the external phy. Specs are needed */
--- a/drivers/ssb/driver_chipcommon_pmu.c
+++ b/drivers/ssb/driver_chipcommon_pmu.c
@@ -319,7 +319,8 @@ static void ssb_pmu_pll_init(struct ssb_
if (bus->bustype == SSB_BUSTYPE_SSB) {
char buf[20];
- if (bcm47xx_nvram_getenv("xtalfreq", buf, sizeof(buf)) >= 0)
+ if (bcm47xx_nvram_getenv(NULL, "xtalfreq", buf,
+ sizeof(buf)) >= 0)
crystalfreq = simple_strtoul(buf, NULL, 0);
}
--- a/include/linux/bcm47xx_nvram.h
+++ b/include/linux/bcm47xx_nvram.h
@@ -15,18 +15,23 @@
@@ -15,7 +15,7 @@
#include <linux/types.h>
#include <linux/kernel.h>
-#ifdef CONFIG_BCM47XX
-int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
+struct device;
-int bcm47xx_nvram_gpio_pin(const char *name);
+#if defined(CONFIG_BCM47XX) || defined(CONFIG_BCM47XX_NVRAM)
+int bcm47xx_nvram_getenv(const struct device *dev, const char *name, char *val,
+ size_t val_len);
+
+int bcm47xx_nvram_gpio_pin(const struct device *dev, const char *name);
#else
-static inline int bcm47xx_nvram_getenv(const char *name, char *val,
+static inline int bcm47xx_nvram_getenv(const struct device *dev,
+ const char *name, char *val,
size_t val_len)
{
return -ENXIO;
}
int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
-static inline int bcm47xx_nvram_gpio_pin(const char *name)
+static inline int bcm47xx_nvram_gpio_pin(const struct device *dev,
+ const char *name)
{
return -ENXIO;
}
int bcm47xx_nvram_gpio_pin(const char *name);
--- a/drivers/misc/bcm47xx-nvram.c
+++ b/drivers/misc/bcm47xx-nvram.c
@@ -28,7 +28,7 @@

275
target/linux/bcm53xx/patches-3.18/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch
View File

@ -59,208 +59,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ compatible = "brcm,bcm47xx-nvram";
+ reg = <0x1c000000 0x01000000>;
+};
--- a/arch/mips/bcm47xx/board.c
+++ b/arch/mips/bcm47xx/board.c
@@ -218,36 +218,36 @@ static __init const struct bcm47xx_board
const struct bcm47xx_board_type_list2 *e2;
const struct bcm47xx_board_type_list3 *e3;
- if (bcm47xx_nvram_getenv("model_name", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "model_name", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_model_name; e1->value1; e1++) {
if (!strcmp(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("model_no", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "model_no", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_model_no; e1->value1; e1++) {
if (strstarts(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("machine_name", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "machine_name", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_machine_name; e1->value1; e1++) {
if (strstarts(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "hardware_version", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_hardware_version; e1->value1; e1++) {
if (strstarts(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("hardware_version", buf1, sizeof(buf1)) >= 0 &&
- bcm47xx_nvram_getenv("boardtype", buf2, sizeof(buf2)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "hardware_version", buf1, sizeof(buf1)) >= 0 &&
+ bcm47xx_nvram_getenv(NULL, "boardtype", buf2, sizeof(buf2)) >= 0) {
for (e2 = bcm47xx_board_list_boot_hw; e2->value1; e2++) {
if (!strstarts(buf1, e2->value1) &&
!strcmp(buf2, e2->value2))
@@ -255,22 +255,22 @@ static __init const struct bcm47xx_board
}
}
- if (bcm47xx_nvram_getenv("productid", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "productid", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_productid; e1->value1; e1++) {
if (!strcmp(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("ModelId", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "ModelId", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_ModelId; e1->value1; e1++) {
if (!strcmp(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("melco_id", buf1, sizeof(buf1)) >= 0 ||
- bcm47xx_nvram_getenv("buf1falo_id", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "melco_id", buf1, sizeof(buf1)) >= 0 ||
+ bcm47xx_nvram_getenv(NULL, "buf1falo_id", buf1, sizeof(buf1)) >= 0) {
/* buffalo hardware, check id for specific hardware matches */
for (e1 = bcm47xx_board_list_melco_id; e1->value1; e1++) {
if (!strcmp(buf1, e1->value1))
@@ -278,8 +278,8 @@ static __init const struct bcm47xx_board
}
}
- if (bcm47xx_nvram_getenv("boot_hw_model", buf1, sizeof(buf1)) >= 0 &&
- bcm47xx_nvram_getenv("boot_hw_ver", buf2, sizeof(buf2)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "boot_hw_model", buf1, sizeof(buf1)) >= 0 &&
+ bcm47xx_nvram_getenv(NULL, "boot_hw_ver", buf2, sizeof(buf2)) >= 0) {
for (e2 = bcm47xx_board_list_boot_hw; e2->value1; e2++) {
if (!strcmp(buf1, e2->value1) &&
!strcmp(buf2, e2->value2))
@@ -287,16 +287,16 @@ static __init const struct bcm47xx_board
}
}
- if (bcm47xx_nvram_getenv("board_id", buf1, sizeof(buf1)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "board_id", buf1, sizeof(buf1)) >= 0) {
for (e1 = bcm47xx_board_list_board_id; e1->value1; e1++) {
if (!strcmp(buf1, e1->value1))
return &e1->board;
}
}
- if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 &&
- bcm47xx_nvram_getenv("boardnum", buf2, sizeof(buf2)) >= 0 &&
- bcm47xx_nvram_getenv("boardrev", buf3, sizeof(buf3)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "boardtype", buf1, sizeof(buf1)) >= 0 &&
+ bcm47xx_nvram_getenv(NULL, "boardnum", buf2, sizeof(buf2)) >= 0 &&
+ bcm47xx_nvram_getenv(NULL, "boardrev", buf3, sizeof(buf3)) >= 0) {
for (e3 = bcm47xx_board_list_board; e3->value1; e3++) {
if (!strcmp(buf1, e3->value1) &&
!strcmp(buf2, e3->value2) &&
@@ -305,9 +305,9 @@ static __init const struct bcm47xx_board
}
}
- if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 &&
- bcm47xx_nvram_getenv("boardrev", buf2, sizeof(buf2)) >= 0 &&
- bcm47xx_nvram_getenv("boardnum", buf3, sizeof(buf3)) == -ENOENT) {
+ if (bcm47xx_nvram_getenv(NULL, "boardtype", buf1, sizeof(buf1)) >= 0 &&
+ bcm47xx_nvram_getenv(NULL, "boardrev", buf2, sizeof(buf2)) >= 0 &&
+ bcm47xx_nvram_getenv(NULL, "boardnum", buf3, sizeof(buf3)) == -ENOENT) {
for (e2 = bcm47xx_board_list_board_type_rev; e2->value1; e2++) {
if (!strcmp(buf1, e2->value1) &&
!strcmp(buf2, e2->value2))
@@ -327,7 +327,7 @@ void __init bcm47xx_board_detect(void)
return;
/* check if the nvram is available */
- err = bcm47xx_nvram_getenv("boardtype", buf, sizeof(buf));
+ err = bcm47xx_nvram_getenv(NULL, "boardtype", buf, sizeof(buf));
/* init of nvram failed, probably too early now */
if (err == -ENXIO) {
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -158,7 +158,8 @@ static int nvram_init(void)
return -ENXIO;
}
-int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len)
+int bcm47xx_nvram_getenv(const struct device *dev, const char *name, char *val,
+ size_t val_len)
{
char *var, *value, *end, *eq;
int err;
@@ -190,7 +191,7 @@ int bcm47xx_nvram_getenv(char *name, cha
}
EXPORT_SYMBOL(bcm47xx_nvram_getenv);
-int bcm47xx_nvram_gpio_pin(const char *name)
+int bcm47xx_nvram_gpio_pin(const struct device *dev, const char *name)
{
int i, err;
char nvram_var[10];
@@ -200,7 +201,7 @@ int bcm47xx_nvram_gpio_pin(const char *n
err = snprintf(nvram_var, sizeof(nvram_var), "gpio%i", i);
if (err <= 0)
continue;
- err = bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf));
+ err = bcm47xx_nvram_getenv(dev, nvram_var, buf, sizeof(buf));
if (err <= 0)
continue;
if (!strcmp(name, buf))
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -132,7 +132,7 @@ static int bcm47xx_get_invariants(struct
memset(&iv->sprom, 0, sizeof(struct ssb_sprom));
bcm47xx_fill_sprom(&iv->sprom, NULL, false);
- if (bcm47xx_nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
+ if (bcm47xx_nvram_getenv(NULL, "cardbus", buf, sizeof(buf)) >= 0)
iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
return 0;
@@ -155,7 +155,7 @@ static void __init bcm47xx_register_ssb(
panic("Failed to initialize SSB bus (err %d)", err);
mcore = &bcm47xx_bus.ssb.mipscore;
- if (bcm47xx_nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
+ if (bcm47xx_nvram_getenv(NULL, "kernel_args", buf, sizeof(buf)) >= 0) {
if (strstr(buf, "console=ttyS1")) {
struct ssb_serial_port port;
--- a/arch/mips/bcm47xx/sprom.c
+++ b/arch/mips/bcm47xx/sprom.c
@@ -52,10 +52,10 @@ static int get_nvram_var(const char *pre
create_key(prefix, postfix, name, key, sizeof(key));
- err = bcm47xx_nvram_getenv(key, buf, len);
+ err = bcm47xx_nvram_getenv(NULL, key, buf, len);
if (fallback && err == -ENOENT && prefix) {
create_key(NULL, postfix, name, key, sizeof(key));
- err = bcm47xx_nvram_getenv(key, buf, len);
+ err = bcm47xx_nvram_getenv(NULL, key, buf, len);
}
return err;
}
--- a/arch/mips/bcm47xx/time.c
+++ b/arch/mips/bcm47xx/time.c
@@ -61,7 +61,7 @@ void __init plat_time_init(void)
}
if (chip_id == 0x5354) {
- len = bcm47xx_nvram_getenv("clkfreq", buf, sizeof(buf));
+ len = bcm47xx_nvram_getenv(NULL, "clkfreq", buf, sizeof(buf));
if (len >= 0 && !strncmp(buf, "200", 4))
hz = 100000000;
}
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -515,6 +515,11 @@ config VEXPRESS_SYSCFG
@ -282,82 +80,19 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
obj-$(CONFIG_VEXPRESS_SYSCFG) += vexpress-syscfg.o
obj-$(CONFIG_CXL_BASE) += cxl/
+obj-$(CONFIG_BCM47XX_NVRAM) += bcm47xx-nvram.o
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -411,7 +411,7 @@ static void b44_wap54g10_workaround(stru
* see https://dev.openwrt.org/ticket/146
* check and reset bit "isolate"
*/
- if (bcm47xx_nvram_getenv("boardnum", buf, sizeof(buf)) < 0)
+ if (bcm47xx_nvram_getenv(NULL, "boardnum", buf, sizeof(buf)) < 0)
return;
if (simple_strtoul(buf, NULL, 0) == 2) {
err = __b44_readphy(bp, 0, MII_BMCR, &val);
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -974,7 +974,8 @@ static void bgmac_chip_reset(struct bgma
BGMAC_CHIPCTL_1_IF_TYPE_MII;
char buf[4];
- if (bcm47xx_nvram_getenv("et_swtype", buf, sizeof(buf)) > 0) {
+ if (bcm47xx_nvram_getenv(NULL, "et_swtype", buf,
+ sizeof(buf)) > 0) {
if (kstrtou8(buf, 0, &et_swtype))
bgmac_err(bgmac, "Failed to parse et_swtype (%s)\n",
buf);
@@ -1534,7 +1535,7 @@ static int bgmac_probe(struct bcma_devic
}
bgmac->int_mask = BGMAC_IS_ERRMASK | BGMAC_IS_RX | BGMAC_IS_TX_MASK;
- if (bcm47xx_nvram_getenv("et0_no_txint", NULL, 0) == 0)
+ if (bcm47xx_nvram_getenv(NULL, "et0_no_txint", NULL, 0) == 0)
bgmac->int_mask &= ~BGMAC_IS_TX_MASK;
/* TODO: reset the external phy. Specs are needed */
--- a/drivers/ssb/driver_chipcommon_pmu.c
+++ b/drivers/ssb/driver_chipcommon_pmu.c
@@ -319,7 +319,8 @@ static void ssb_pmu_pll_init(struct ssb_
if (bus->bustype == SSB_BUSTYPE_SSB) {
char buf[20];
- if (bcm47xx_nvram_getenv("xtalfreq", buf, sizeof(buf)) >= 0)
+ if (bcm47xx_nvram_getenv(NULL, "xtalfreq", buf,
+ sizeof(buf)) >= 0)
crystalfreq = simple_strtoul(buf, NULL, 0);
}
--- a/include/linux/bcm47xx_nvram.h
+++ b/include/linux/bcm47xx_nvram.h
@@ -14,19 +14,24 @@
@@ -14,8 +14,8 @@
#include <linux/types.h>
#include <linux/kernel.h>
+
+struct device;
-
-#ifdef CONFIG_BCM47XX
-int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
+
+#if defined(CONFIG_BCM47XX) || defined(CONFIG_BCM47XX_NVRAM)
+int bcm47xx_nvram_getenv(const struct device *dev, const char *name, char *val,
+ size_t val_len);
int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
-int bcm47xx_nvram_gpio_pin(const char *name);
+int bcm47xx_nvram_gpio_pin(const struct device *dev, const char *name);
#else
-static inline int bcm47xx_nvram_getenv(const char *name, char *val,
+static inline int bcm47xx_nvram_getenv(const struct device *dev,
+ const char *name, char *val,
size_t val_len)
{
return -ENXIO;
}
-static inline int bcm47xx_nvram_gpio_pin(const char *name)
+static inline int bcm47xx_nvram_gpio_pin(const struct device *dev,
+ const char *name)
{
return -ENXIO;
}
int bcm47xx_nvram_gpio_pin(const char *name);
--- a/drivers/misc/bcm47xx-nvram.c
+++ b/drivers/misc/bcm47xx-nvram.c
@@ -28,7 +28,7 @@