ar71xx: rewrite SPI drivers for the RB4xx boards

  * add a new SPI controller driver
  * add SPI driver for the CPLD chip
  * convert the NAND driver
  * enable the mikroSD slot
  * enable more LEDs

SVN-Revision: 22863

5 files changed, 87 insertions, 5 deletions

diff --git a/target/linux/ar71xx/patches-2.6.34/150-drivers-link-spi-before-mtd.patch b/target/linux/ar71xx/patches-2.6.34/150-drivers-link-spi-before-mtd.patch
new file mode 100644
index 0000000..1d9bf9e
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.34/150-drivers-link-spi-before-mtd.patch
@@ -0,0 +1,12 @@
+--- a/drivers/Makefile
++++ b/drivers/Makefile
+@@ -46,8 +46,8 @@ obj-y				+= macintosh/
+ obj-$(CONFIG_IDE)		+= ide/
+ obj-$(CONFIG_SCSI)		+= scsi/
+ obj-$(CONFIG_ATA)		+= ata/
+-obj-$(CONFIG_MTD)		+= mtd/
+ obj-$(CONFIG_SPI)		+= spi/
++obj-$(CONFIG_MTD)		+= mtd/
+ obj-y				+= net/
+ obj-$(CONFIG_ATM)		+= atm/
+ obj-$(CONFIG_FUSION)		+= message/
diff --git a/target/linux/ar71xx/patches-2.6.34/151-spi-add-various-flags.patch b/target/linux/ar71xx/patches-2.6.34/151-spi-add-various-flags.patch
new file mode 100644
index 0000000..b3ce1b0
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.34/151-spi-add-various-flags.patch
@@ -0,0 +1,19 @@
+--- a/include/linux/spi/spi.h
++++ b/include/linux/spi/spi.h
+@@ -435,6 +435,8 @@ struct spi_transfer {
+ 	dma_addr_t	rx_dma;
+ 
+ 	unsigned	cs_change:1;
++	unsigned	verify:1;
++	unsigned	fast_write:1;
+ 	u8		bits_per_word;
+ 	u16		delay_usecs;
+ 	u32		speed_hz;
+@@ -476,6 +478,7 @@ struct spi_message {
+ 	struct spi_device	*spi;
+ 
+ 	unsigned		is_dma_mapped:1;
++	unsigned		fast_read:1;
+ 
+ 	/* REVISIT:  we might want a flag affecting the behavior of the
+ 	 * last transfer ... allowing things like "read 16 bit length L"
diff --git a/target/linux/ar71xx/patches-2.6.34/152-rb4xx-spi-driver.patch b/target/linux/ar71xx/patches-2.6.34/152-rb4xx-spi-driver.patch
new file mode 100644
index 0000000..22b803e
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.34/152-rb4xx-spi-driver.patch
@@ -0,0 +1,25 @@
+--- a/drivers/spi/Kconfig
++++ b/drivers/spi/Kconfig
+@@ -242,6 +242,12 @@ config SPI_PXA2XX
+ 	  The driver can be configured to use any SSP port and additional
+ 	  documentation can be found a Documentation/spi/pxa2xx.
+ 
++config SPI_RB4XX
++	tristate "Mikrotik RB4XX SPI master"
++	depends on SPI_MASTER && AR71XX_MACH_RB4XX
++	help
++	  SPI controller driver for the Mikrotik RB4xx series boards.
++
+ config SPI_S3C24XX
+ 	tristate "Samsung S3C24XX series SPI"
+ 	depends on ARCH_S3C2410 && EXPERIMENTAL
+--- a/drivers/spi/Makefile
++++ b/drivers/spi/Makefile
+@@ -47,6 +47,7 @@ obj-$(CONFIG_SPI_SH_SCI)		+= spi_sh_sci.
+ obj-$(CONFIG_SPI_SH_MSIOF)		+= spi_sh_msiof.o
+ obj-$(CONFIG_SPI_STMP3XXX)		+= spi_stmp.o
+ obj-$(CONFIG_SPI_NUC900)		+= spi_nuc900.o
++obj-$(CONFIG_SPI_RB4XX)			+= rb4xx_spi.o
+ 
+ # special build for s3c24xx spi driver with fiq support
+ spi_s3c24xx_hw-y			:= spi_s3c24xx.o
diff --git a/target/linux/ar71xx/patches-2.6.34/153-spi-rb4xx-cpld-driver.patch b/target/linux/ar71xx/patches-2.6.34/153-spi-rb4xx-cpld-driver.patch
new file mode 100644
index 0000000..7ef419d
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.34/153-spi-rb4xx-cpld-driver.patch
@@ -0,0 +1,26 @@
+--- a/drivers/spi/Kconfig
++++ b/drivers/spi/Kconfig
+@@ -384,6 +384,13 @@ config SPI_TLE62X0
+ 	  sysfs interface, with each line presented as a kind of GPIO
+ 	  exposing both switch control and diagnostic feedback.
+ 
++config SPI_RB4XX_CPLD
++	tristate "MikroTik RB4XX CPLD driver"
++	depends on AR71XX_MACH_RB4XX
++	help
++	  SPI driver for the Xilinx CPLD chip present on the
++	  MikroTik RB4xx boards.
++
+ #
+ # Add new SPI protocol masters in alphabetical order above this line
+ #
+--- a/drivers/spi/Makefile
++++ b/drivers/spi/Makefile
+@@ -56,6 +56,7 @@ spi_s3c24xx_hw-$(CONFIG_SPI_S3C24XX_FIQ)
+ # 	... add above this line ...
+ 
+ # SPI protocol drivers (device/link on bus)
++obj-$(CONFIG_SPI_RB4XX_CPLD)	+= spi_rb4xx_cpld.o
+ obj-$(CONFIG_SPI_SPIDEV)	+= spidev.o
+ obj-$(CONFIG_SPI_TLE62X0)	+= tle62x0.o
+ # 	... add above this line ...
diff --git a/target/linux/ar71xx/patches-2.6.34/202-spi_vsc7385_driver.patch b/target/linux/ar71xx/patches-2.6.34/202-spi_vsc7385_driver.patch
index b0bb15f..f01e0a2 100644
--- a/target/linux/ar71xx/patches-2.6.34/202-spi_vsc7385_driver.patch
+++ b/target/linux/ar71xx/patches-2.6.34/202-spi_vsc7385_driver.patch
@@ -1,8 +1,8 @@
 --- a/drivers/spi/Kconfig
 +++ b/drivers/spi/Kconfig
-@@ -386,6 +386,11 @@ config SPI_TLE62X0
- 	  sysfs interface, with each line presented as a kind of GPIO
- 	  exposing both switch control and diagnostic feedback.
+@@ -399,6 +399,11 @@ config SPI_RB4XX_CPLD
+ 	  SPI driver for the Xilinx CPLD chip present on the
+ 	  MikroTik RB4xx boards.
  
 +config SPI_VSC7385
 +	tristate "Vitesse VSC7385 ethernet switch driver"
@@ -14,9 +14,9 @@
  #
 --- a/drivers/spi/Makefile
 +++ b/drivers/spi/Makefile
-@@ -57,6 +57,7 @@ spi_s3c24xx_hw-$(CONFIG_SPI_S3C24XX_FIQ)
- 
+@@ -59,6 +59,7 @@ spi_s3c24xx_hw-$(CONFIG_SPI_S3C24XX_FIQ)
  # SPI protocol drivers (device/link on bus)
+ obj-$(CONFIG_SPI_RB4XX_CPLD)	+= spi_rb4xx_cpld.o
  obj-$(CONFIG_SPI_SPIDEV)	+= spidev.o
 +obj-$(CONFIG_SPI_VSC7385)	+= spi_vsc7385.o
  obj-$(CONFIG_SPI_TLE62X0)	+= tle62x0.o