diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/bcm53xx/files-4.1/drivers/firmware/broadcom/Kconfig | 11 | ||||
| -rw-r--r-- | target/linux/bcm53xx/files-4.1/drivers/firmware/broadcom/Makefile | 1 | ||||
| -rw-r--r-- | target/linux/bcm53xx/files/drivers/firmware/broadcom/bcm47xx_sprom.c (renamed from target/linux/bcm53xx/files/drivers/misc/bcm47xx-sprom.c) | 166 | ||||
| -rw-r--r-- | target/linux/bcm53xx/patches-4.1/112-bcm53xx-sprom-add-sprom-driver.patch | 69 | ||||
| -rw-r--r-- | target/linux/bcm53xx/patches-4.1/301-ARM-BCM5301X-Add-SPROM.patch | 26 | ||||
| -rw-r--r-- | target/linux/bcm53xx/patches-4.4/112-bcm53xx-sprom-add-sprom-driver.patch | 62 | ||||
| -rw-r--r-- | target/linux/bcm53xx/patches-4.4/301-ARM-BCM5301X-Add-SPROM.patch | 26 |
7 files changed, 137 insertions, 224 deletions
diff --git a/target/linux/bcm53xx/files-4.1/drivers/firmware/broadcom/Kconfig b/target/linux/bcm53xx/files-4.1/drivers/firmware/broadcom/Kconfig index 6bed119930..3c7e5b741e 100644 --- a/target/linux/bcm53xx/files-4.1/drivers/firmware/broadcom/Kconfig +++ b/target/linux/bcm53xx/files-4.1/drivers/firmware/broadcom/Kconfig @@ -9,3 +9,14 @@ config BCM47XX_NVRAM This driver provides an easy way to get value of requested parameter. It simply reads content of NVRAM and parses it. It doesn't control any hardware part itself. + +config BCM47XX_SPROM + bool "Broadcom SPROM driver" + depends on BCM47XX_NVRAM + help + Broadcom devices store configuration data in SPROM. Accessing it is + specific to the bus host type, e.g. PCI(e) devices have it mapped in + a PCI BAR. + In case of SoC devices SPROM content is stored on a flash used by + bootloader firmware CFE. This driver provides method to ssb and bcma + drivers to read SPROM on SoC. diff --git a/target/linux/bcm53xx/files-4.1/drivers/firmware/broadcom/Makefile b/target/linux/bcm53xx/files-4.1/drivers/firmware/broadcom/Makefile index d0e683583c..f93efc479b 100644 --- a/target/linux/bcm53xx/files-4.1/drivers/firmware/broadcom/Makefile +++ b/target/linux/bcm53xx/files-4.1/drivers/firmware/broadcom/Makefile @@ -1 +1,2 @@ obj-$(CONFIG_BCM47XX_NVRAM) += bcm47xx_nvram.o +obj-$(CONFIG_BCM47XX_SPROM) += bcm47xx_sprom.o diff --git a/target/linux/bcm53xx/files/drivers/misc/bcm47xx-sprom.c b/target/linux/bcm53xx/files/drivers/firmware/broadcom/bcm47xx_sprom.c index b695f0ada3..5dfd4593da 100644 --- a/target/linux/bcm53xx/files/drivers/misc/bcm47xx-sprom.c +++ b/target/linux/bcm53xx/files/drivers/firmware/broadcom/bcm47xx_sprom.c @@ -26,20 +26,11 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/types.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/of_address.h> -#include <linux/device.h> -#include <linux/platform_device.h> -#include <linux/of_platform.h> -#include <linux/io.h> -#include <linux/ssb/ssb.h> -#include <linux/bcma/bcma.h> #include <linux/bcm47xx_nvram.h> -#include <linux/if_ether.h> +#include <linux/bcma/bcma.h> #include <linux/etherdevice.h> +#include <linux/if_ether.h> +#include <linux/ssb/ssb.h> static void create_key(const char *prefix, const char *postfix, const char *name, char *buf, int len) @@ -71,9 +62,9 @@ static int get_nvram_var(const char *prefix, const char *postfix, } #define NVRAM_READ_VAL(type) \ -static void nvram_read_ ## type (const char *prefix, \ - const char *postfix, const char *name, \ - type *val, type allset, bool fallback) \ +static void nvram_read_ ## type(const char *prefix, \ + const char *postfix, const char *name, \ + type *val, type allset, bool fallback) \ { \ char buf[100]; \ int err; \ @@ -433,7 +424,10 @@ static void bcm47xx_fill_sprom_path_r4589(struct ssb_sprom *sprom, int i; for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { - struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i]; + struct ssb_sprom_core_pwr_info *pwr_info; + + pwr_info = &sprom->core_pwr_info[i]; + snprintf(postfix, sizeof(postfix), "%i", i); nvram_read_u8(prefix, postfix, "maxp2ga", &pwr_info->maxpwr_2g, 0, fallback); @@ -481,7 +475,10 @@ static void bcm47xx_fill_sprom_path_r45(struct ssb_sprom *sprom, int i; for (i = 0; i < ARRAY_SIZE(sprom->core_pwr_info); i++) { - struct ssb_sprom_core_pwr_info *pwr_info = &sprom->core_pwr_info[i]; + struct ssb_sprom_core_pwr_info *pwr_info; + + pwr_info = &sprom->core_pwr_info[i]; + snprintf(postfix, sizeof(postfix), "%i", i); nvram_read_u16(prefix, postfix, "pa2gw3a", &pwr_info->pa_2g[3], 0, fallback); @@ -546,10 +543,11 @@ static void bcm47xx_fill_sprom_ethernet(struct ssb_sprom *sprom, nvram_read_macaddr(prefix, "il0macaddr", sprom->il0mac, fallback); /* The address prefix 00:90:4C is used by Broadcom in their initial - configuration. When a mac address with the prefix 00:90:4C is used - all devices from the same series are sharing the same mac address. - To prevent mac address collisions we replace them with a mac address - based on the base address. */ + * configuration. When a mac address with the prefix 00:90:4C is used + * all devices from the same series are sharing the same mac address. + * To prevent mac address collisions we replace them with a mac address + * based on the base address. + */ if (!bcm47xx_is_valid_mac(sprom->il0mac)) { u8 mac[6]; @@ -603,6 +601,30 @@ void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix, bcm47xx_sprom_fill_auto(sprom, prefix, fallback); } +#if defined(CONFIG_SSB_SPROM) +static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out) +{ + char prefix[10]; + + switch (bus->bustype) { + case SSB_BUSTYPE_SSB: + bcm47xx_fill_sprom(out, NULL, false); + return 0; + case SSB_BUSTYPE_PCI: + memset(out, 0, sizeof(struct ssb_sprom)); + snprintf(prefix, sizeof(prefix), "pci/%u/%u/", + bus->host_pci->bus->number + 1, + PCI_SLOT(bus->host_pci->devfn)); + bcm47xx_fill_sprom(out, prefix, false); + return 0; + default: + pr_warn("Unable to fill SPROM for given bustype.\n"); + return -EINVAL; + } +} +#endif + +#if defined(CONFIG_BCMA) /* * Having many NVRAM entries for PCI devices led to repeating prefixes like * pci/1/1/ all the time and wasting flash space. So at some point Broadcom @@ -618,6 +640,7 @@ static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size) char buf[20]; int i; + /* Passed prefix has to end with a slash */ if (prefix_len <= 0 || prefix[prefix_len - 1] != '/') return; @@ -634,58 +657,81 @@ static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size) } } -/* - * This function has to be called in a very precise moment. It has to be done: - * 1) After bcma registers flash cores, so we can read NVRAM. - * 2) Before any code needs SPROM content. - * - * This can be achieved only by using bcma callback. - */ -static int bcm47xx_sprom_init(struct bcma_bus *bus, struct ssb_sprom *out) +static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) { - char prefix[20]; + struct bcma_boardinfo *binfo = &bus->boardinfo; + struct bcma_device *core; + char buf[10]; + char *prefix; + bool fallback = false; switch (bus->hosttype) { case BCMA_HOSTTYPE_PCI: - snprintf(prefix, sizeof(prefix), "pci/%u/%u/", - pci_domain_nr(bus->host_pci->bus) + 1, - bus->host_pci->bus->number); - bcm47xx_sprom_apply_prefix_alias(prefix, sizeof(prefix)); - bcm47xx_fill_sprom(out, prefix, false); + memset(out, 0, sizeof(struct ssb_sprom)); + /* On BCM47XX all PCI buses share the same domain */ + if (config_enabled(CONFIG_BCM47XX)) + snprintf(buf, sizeof(buf), "pci/%u/%u/", + bus->host_pci->bus->number + 1, + PCI_SLOT(bus->host_pci->devfn)); + else + snprintf(buf, sizeof(buf), "pci/%u/%u/", + pci_domain_nr(bus->host_pci->bus) + 1, + bus->host_pci->bus->number); + bcm47xx_sprom_apply_prefix_alias(buf, sizeof(buf)); + prefix = buf; break; case BCMA_HOSTTYPE_SOC: - bcm47xx_fill_sprom(out, NULL, false); + memset(out, 0, sizeof(struct ssb_sprom)); + core = bcma_find_core(bus, BCMA_CORE_80211); + if (core) { + snprintf(buf, sizeof(buf), "sb/%u/", + core->core_index); + prefix = buf; + fallback = true; + } else { + prefix = NULL; + } break; default: - pr_err("Unable to fill SPROM for given hosttype.\n"); + pr_warn("Unable to fill SPROM for given bustype.\n"); return -EINVAL; } + nvram_read_u16(prefix, NULL, "boardvendor", &binfo->vendor, 0, true); + if (!binfo->vendor) + binfo->vendor = SSB_BOARDVENDOR_BCM; + nvram_read_u16(prefix, NULL, "boardtype", &binfo->type, 0, true); + + bcm47xx_fill_sprom(out, prefix, fallback); + return 0; -}; +} +#endif + +static unsigned int bcm47xx_sprom_registered; -static int bcm47xx_sprom_probe(struct platform_device *pdev) +/* + * On bcm47xx we need to register SPROM fallback handler very early, so we can't + * use anything like platform device / driver for this. + */ +int bcm47xx_sprom_register_fallbacks(void) { - return bcma_arch_register_fallback_sprom(&bcm47xx_sprom_init); + if (bcm47xx_sprom_registered) + return 0; + +#if defined(CONFIG_SSB_SPROM) + if (ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb)) + pr_warn("Failed to registered ssb SPROM handler\n"); +#endif + +#if defined(CONFIG_BCMA) + if (bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma)) + pr_warn("Failed to registered bcma SPROM handler\n"); +#endif + + bcm47xx_sprom_registered = 1; + + return 0; } -static const struct of_device_id bcm47xx_sprom_of_match_table[] = { - { .compatible = "brcm,bcm47xx-sprom", }, - {}, -}; -MODULE_DEVICE_TABLE(of, bcm47xx_sprom_of_match_table); - -static struct platform_driver bcm47xx_sprom_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "bcm47xx-sprom", - .of_match_table = bcm47xx_sprom_of_match_table, - /* driver unloading/unbinding currently not supported */ - .suppress_bind_attrs = true, - }, - .probe = bcm47xx_sprom_probe, -}; -module_platform_driver(bcm47xx_sprom_driver); - -MODULE_AUTHOR("Hauke Mehrtens <hauke@hauke-m.de>"); -MODULE_LICENSE("GPL v2"); +fs_initcall(bcm47xx_sprom_register_fallbacks); diff --git a/target/linux/bcm53xx/patches-4.1/112-bcm53xx-sprom-add-sprom-driver.patch b/target/linux/bcm53xx/patches-4.1/112-bcm53xx-sprom-add-sprom-driver.patch deleted file mode 100644 index b914fd995f..0000000000 --- a/target/linux/bcm53xx/patches-4.1/112-bcm53xx-sprom-add-sprom-driver.patch +++ /dev/null @@ -1,69 +0,0 @@ -From 4e0ab3269a6d260a41a3673157753147f5f71341 Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Sun, 4 May 2014 13:19:20 +0200 -Subject: [PATCH 03/17] bcm47xx-sprom: add Broadcom sprom parser driver - -This driver needs an nvram driver and fetches the sprom values from the -nvram and provides it to any other driver. The calibration data for the -wifi chip the mac address and some more board description data is -stores in the sprom. - -This is based on a copy of arch/mips/bcm47xx/sprom.c and my plan is to -make the bcm47xx MIPS SoCs also use this driver some time later. - -Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> ---- - .../devicetree/bindings/misc/bcm47xx-sprom.txt | 16 + - drivers/misc/Kconfig | 11 + - drivers/misc/Makefile | 1 + - drivers/misc/bcm47xx-sprom.c | 690 +++++++++++++++++++++ - 4 files changed, 718 insertions(+) - create mode 100644 Documentation/devicetree/bindings/misc/bcm47xx-sprom.txt - create mode 100644 drivers/misc/bcm47xx-sprom.c - ---- /dev/null -+++ b/Documentation/devicetree/bindings/misc/bcm47xx-sprom.txt -@@ -0,0 +1,16 @@ -+Broadcom bcm47xx/bcm53xx sprom converter -+ -+This driver provbides an sprom based on a given nvram. -+ -+Required properties: -+ -+- compatible : brcm,bcm47xx-sprom -+ -+- nvram : reference to a nvram driver, e.g. bcm47xx-nvram -+ -+Example: -+ -+sprom0: sprom@0 { -+ compatible = "brcm,bcm47xx-sprom"; -+ nvram = <&nvram0>; -+}; ---- a/drivers/misc/Kconfig -+++ b/drivers/misc/Kconfig -@@ -515,6 +515,17 @@ config VEXPRESS_SYSCFG - bus. System Configuration interface is one of the possible means - of generating transactions on this bus. - -+config BCM47XX_SPROM -+ tristate "BCM47XX sprom driver" -+ help -+ This driver parses the sprom from a given nvram which is found on -+ Broadcom bcm47xx and bcm53xx SoCs. -+ -+ The sprom contains board configuration data like the -+ calibration data fro the wifi chips, the mac addresses used -+ by the board and many other board configuration data. This -+ driver will provide the sprom to bcma. -+ - source "drivers/misc/c2port/Kconfig" - source "drivers/misc/eeprom/Kconfig" - source "drivers/misc/cb710/Kconfig" ---- a/drivers/misc/Makefile -+++ b/drivers/misc/Makefile -@@ -56,3 +56,4 @@ obj-$(CONFIG_GENWQE) += genwqe/ - obj-$(CONFIG_ECHO) += echo/ - obj-$(CONFIG_VEXPRESS_SYSCFG) += vexpress-syscfg.o - obj-$(CONFIG_CXL_BASE) += cxl/ -+obj-$(CONFIG_BCM47XX_SPROM) += bcm47xx-sprom.o diff --git a/target/linux/bcm53xx/patches-4.1/301-ARM-BCM5301X-Add-SPROM.patch b/target/linux/bcm53xx/patches-4.1/301-ARM-BCM5301X-Add-SPROM.patch deleted file mode 100644 index 9ca76b3d4c..0000000000 --- a/target/linux/bcm53xx/patches-4.1/301-ARM-BCM5301X-Add-SPROM.patch +++ /dev/null @@ -1,26 +0,0 @@ -From d404e0b22356078a51719fa911f6e09cb1a72d80 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Date: Sun, 7 Jun 2015 16:18:18 +0200 -Subject: [PATCH] ARM: BCM5301X: Add SPROM -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> ---- - arch/arm/boot/dts/bcm5301x.dtsi | 4 ++++ - 1 file changed, 4 insertions(+) - ---- a/arch/arm/boot/dts/bcm5301x.dtsi -+++ b/arch/arm/boot/dts/bcm5301x.dtsi -@@ -105,6 +105,10 @@ - }; - }; - -+ sprom0: sprom@0 { -+ compatible = "brcm,bcm47xx-sprom"; -+ }; -+ - axi@18000000 { - compatible = "brcm,bus-axi"; - reg = <0x18000000 0x1000>; diff --git a/target/linux/bcm53xx/patches-4.4/112-bcm53xx-sprom-add-sprom-driver.patch b/target/linux/bcm53xx/patches-4.4/112-bcm53xx-sprom-add-sprom-driver.patch index 70ab03995c..f2d60c2f68 100644 --- a/target/linux/bcm53xx/patches-4.4/112-bcm53xx-sprom-add-sprom-driver.patch +++ b/target/linux/bcm53xx/patches-4.4/112-bcm53xx-sprom-add-sprom-driver.patch @@ -21,49 +21,25 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> create mode 100644 Documentation/devicetree/bindings/misc/bcm47xx-sprom.txt create mode 100644 drivers/misc/bcm47xx-sprom.c ---- /dev/null -+++ b/Documentation/devicetree/bindings/misc/bcm47xx-sprom.txt -@@ -0,0 +1,16 @@ -+Broadcom bcm47xx/bcm53xx sprom converter +--- a/drivers/firmware/broadcom/Kconfig ++++ b/drivers/firmware/broadcom/Kconfig +@@ -9,3 +9,14 @@ config BCM47XX_NVRAM + This driver provides an easy way to get value of requested parameter. + It simply reads content of NVRAM and parses it. It doesn't control any + hardware part itself. + -+This driver provbides an sprom based on a given nvram. -+ -+Required properties: -+ -+- compatible : brcm,bcm47xx-sprom -+ -+- nvram : reference to a nvram driver, e.g. bcm47xx-nvram -+ -+Example: -+ -+sprom0: sprom@0 { -+ compatible = "brcm,bcm47xx-sprom"; -+ nvram = <&nvram0>; -+}; ---- a/drivers/misc/Kconfig -+++ b/drivers/misc/Kconfig -@@ -525,6 +525,17 @@ config VEXPRESS_SYSCFG - bus. System Configuration interface is one of the possible means - of generating transactions on this bus. - +config BCM47XX_SPROM -+ tristate "BCM47XX sprom driver" ++ bool "Broadcom SPROM driver" ++ depends on BCM47XX_NVRAM + help -+ This driver parses the sprom from a given nvram which is found on -+ Broadcom bcm47xx and bcm53xx SoCs. -+ -+ The sprom contains board configuration data like the -+ calibration data fro the wifi chips, the mac addresses used -+ by the board and many other board configuration data. This -+ driver will provide the sprom to bcma. -+ - source "drivers/misc/c2port/Kconfig" - source "drivers/misc/eeprom/Kconfig" - source "drivers/misc/cb710/Kconfig" ---- a/drivers/misc/Makefile -+++ b/drivers/misc/Makefile -@@ -56,3 +56,4 @@ obj-$(CONFIG_GENWQE) += genwqe/ - obj-$(CONFIG_ECHO) += echo/ - obj-$(CONFIG_VEXPRESS_SYSCFG) += vexpress-syscfg.o - obj-$(CONFIG_CXL_BASE) += cxl/ -+obj-$(CONFIG_BCM47XX_SPROM) += bcm47xx-sprom.o ++ Broadcom devices store configuration data in SPROM. Accessing it is ++ specific to the bus host type, e.g. PCI(e) devices have it mapped in ++ a PCI BAR. ++ In case of SoC devices SPROM content is stored on a flash used by ++ bootloader firmware CFE. This driver provides method to ssb and bcma ++ drivers to read SPROM on SoC. +--- a/drivers/firmware/broadcom/Makefile ++++ b/drivers/firmware/broadcom/Makefile +@@ -1 +1,2 @@ + obj-$(CONFIG_BCM47XX_NVRAM) += bcm47xx_nvram.o ++obj-$(CONFIG_BCM47XX_SPROM) += bcm47xx_sprom.o diff --git a/target/linux/bcm53xx/patches-4.4/301-ARM-BCM5301X-Add-SPROM.patch b/target/linux/bcm53xx/patches-4.4/301-ARM-BCM5301X-Add-SPROM.patch deleted file mode 100644 index ed6cc73bcc..0000000000 --- a/target/linux/bcm53xx/patches-4.4/301-ARM-BCM5301X-Add-SPROM.patch +++ /dev/null @@ -1,26 +0,0 @@ -From d404e0b22356078a51719fa911f6e09cb1a72d80 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Date: Sun, 7 Jun 2015 16:18:18 +0200 -Subject: [PATCH] ARM: BCM5301X: Add SPROM -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> ---- - arch/arm/boot/dts/bcm5301x.dtsi | 4 ++++ - 1 file changed, 4 insertions(+) - ---- a/arch/arm/boot/dts/bcm5301x.dtsi -+++ b/arch/arm/boot/dts/bcm5301x.dtsi -@@ -136,6 +136,10 @@ - }; - }; - -+ sprom0: sprom@0 { -+ compatible = "brcm,bcm47xx-sprom"; -+ }; -+ - axi@18000000 { - compatible = "brcm,bus-axi"; - reg = <0x18000000 0x1000>; |