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- 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
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