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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22863 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 87 insertions, 5 deletions

diff --git a/target/linux/ar71xx/patches-2.6.32/150-drivers-link-spi-before-mtd.patch b/target/linux/ar71xx/patches-2.6.32/150-drivers-link-spi-before-mtd.patch
new file mode 100644
index 000000000..85a803581
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.32/150-drivers-link-spi-before-mtd.patch
@@ -0,0 +1,12 @@
+--- a/drivers/Makefile
++++ b/drivers/Makefile
+@@ -44,8 +44,8 @@ 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-2.6.32/151-spi-add-various-flags.patch b/target/linux/ar71xx/patches-2.6.32/151-spi-add-various-flags.patch
new file mode 100644
index 000000000..bb9a7d6bd
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.32/151-spi-add-various-flags.patch
@@ -0,0 +1,19 @@
+--- a/include/linux/spi/spi.h
++++ b/include/linux/spi/spi.h
+@@ -434,6 +434,8 @@ 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;
+@@ -475,6 +477,7 @@ 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-2.6.32/152-rb4xx-spi-driver.patch b/target/linux/ar71xx/patches-2.6.32/152-rb4xx-spi-driver.patch
new file mode 100644
index 000000000..e7a2124b8
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.32/152-rb4xx-spi-driver.patch
@@ -0,0 +1,25 @@
+--- a/drivers/spi/Kconfig
++++ b/drivers/spi/Kconfig
+@@ -214,6 +214,12 @@ 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
+@@ -33,6 +33,7 @@ obj-$(CONFIG_SPI_S3C24XX_GPIO)		+= spi_s
+ obj-$(CONFIG_SPI_S3C24XX)		+= spi_s3c24xx.o
+ obj-$(CONFIG_SPI_TXX9)			+= spi_txx9.o
+ obj-$(CONFIG_SPI_XILINX)		+= xilinx_spi.o
++obj-$(CONFIG_SPI_RB4XX)			+= rb4xx_spi.o
+ obj-$(CONFIG_SPI_SH_SCI)		+= spi_sh_sci.o
+ obj-$(CONFIG_SPI_STMP3XXX)		+= spi_stmp.o
+ # 	... add above this line ...
diff --git a/target/linux/ar71xx/patches-2.6.32/153-spi-rb4xx-cpld-driver.patch b/target/linux/ar71xx/patches-2.6.32/153-spi-rb4xx-cpld-driver.patch
new file mode 100644
index 000000000..494269f11
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.32/153-spi-rb4xx-cpld-driver.patch
@@ -0,0 +1,26 @@
+--- a/drivers/spi/Kconfig
++++ b/drivers/spi/Kconfig
+@@ -294,6 +294,13 @@ config SPI_TLE62X0
+ 	  sysfs interface, with each line presented as a kind of GPIO
+ 	  exposing both switch control and diagnostic feedback.
+ 
++config SPI_RB4XX_CPLD
++	tristate "MikroTik RB4XX CPLD driver"
++	depends on AR71XX_MACH_RB4XX
++	help
++	  SPI driver for the Xilinx CPLD chip present on the
++	  MikroTik RB4xx boards.
++
+ #
+ # Add new SPI protocol masters in alphabetical order above this line
+ #
+--- a/drivers/spi/Makefile
++++ b/drivers/spi/Makefile
+@@ -39,6 +39,7 @@ obj-$(CONFIG_SPI_STMP3XXX)		+= spi_stmp.
+ # 	... 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-2.6.32/202-spi_vsc7385_driver.patch b/target/linux/ar71xx/patches-2.6.32/202-spi_vsc7385_driver.patch
index a4b4595b0..1cc64530a 100644
--- a/target/linux/ar71xx/patches-2.6.32/202-spi_vsc7385_driver.patch
+++ b/target/linux/ar71xx/patches-2.6.32/202-spi_vsc7385_driver.patch
@@ -1,8 +1,8 @@
 --- a/drivers/spi/Kconfig
 +++ b/drivers/spi/Kconfig
-@@ -296,6 +296,11 @@ config SPI_TLE62X0
- 	  sysfs interface, with each line presented as a kind of GPIO
- 	  exposing both switch control and diagnostic feedback.
+@@ -309,6 +309,11 @@ 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
-@@ -40,6 +40,7 @@ obj-$(CONFIG_SPI_STMP3XXX)		+= spi_stmp.
- 
+@@ -42,6 +42,7 @@ obj-$(CONFIG_SPI_STMP3XXX)		+= spi_stmp.
  # 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