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-rw-r--r--target/linux/bcm53xx/files/drivers/misc/bcm47xx-nvram.c21
-rw-r--r--target/linux/bcm53xx/files/drivers/misc/bcm47xx-sprom.c4
-rw-r--r--target/linux/bcm53xx/patches-3.14/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch248
-rw-r--r--target/linux/bcm53xx/patches-3.18/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch275
4 files changed, 14 insertions, 534 deletions
diff --git a/target/linux/bcm53xx/files/drivers/misc/bcm47xx-nvram.c b/target/linux/bcm53xx/files/drivers/misc/bcm47xx-nvram.c
index 55374799c0..d1f9d7c6ae 100644
--- a/target/linux/bcm53xx/files/drivers/misc/bcm47xx-nvram.c
+++ b/target/linux/bcm53xx/files/drivers/misc/bcm47xx-nvram.c
@@ -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;
diff --git a/target/linux/bcm53xx/files/drivers/misc/bcm47xx-sprom.c b/target/linux/bcm53xx/files/drivers/misc/bcm47xx-sprom.c
index 4e56208b8a..e36abc8a45 100644
--- a/target/linux/bcm53xx/files/drivers/misc/bcm47xx-sprom.c
+++ b/target/linux/bcm53xx/files/drivers/misc/bcm47xx-sprom.c
@@ -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)
diff --git a/target/linux/bcm53xx/patches-3.14/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch b/target/linux/bcm53xx/patches-3.14/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch
index 35cbc7329f..c4c73394f6 100644
--- a/target/linux/bcm53xx/patches-3.14/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch
+++ b/target/linux/bcm53xx/patches-3.14/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch
@@ -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 @@
diff --git a/target/linux/bcm53xx/patches-3.18/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch b/target/linux/bcm53xx/patches-3.18/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch
index 410ea26a32..14fb5b48aa 100644
--- a/target/linux/bcm53xx/patches-3.18/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch
+++ b/target/linux/bcm53xx/patches-3.18/111-bcm47xx-nvram-add-new-nvram-driver-with-dt-support.patch
@@ -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_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;
- }
+ 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 @@