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-rw-r--r--arch/powerpc/platforms/83xx/Kconfig4
-rw-r--r--arch/powerpc/platforms/83xx/mpc837x_rdb.c28
-rw-r--r--arch/powerpc/platforms/83xx/mpc83xx.h4
3 files changed, 32 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 083ebee9a16..f49a2548c5f 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -75,11 +75,11 @@ config MPC837x_MDS
This option enables support for the MPC837x MDS Processor Board.
config MPC837x_RDB
- bool "Freescale MPC837x RDB"
+ bool "Freescale MPC837x RDB/WLAN"
select DEFAULT_UIMAGE
select PPC_MPC837x
help
- This option enables support for the MPC837x RDB Board.
+ This option enables support for the MPC837x RDB and WLAN Boards.
config SBC834x
bool "Wind River SBC834x"
diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
index 76f3b32a155..a1908d26124 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
@@ -17,10 +17,32 @@
#include <asm/time.h>
#include <asm/ipic.h>
#include <asm/udbg.h>
+#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "mpc83xx.h"
+static void mpc837x_rdb_sd_cfg(void)
+{
+ void __iomem *im;
+
+ im = ioremap(get_immrbase(), 0x1000);
+ if (!im) {
+ WARN_ON(1);
+ return;
+ }
+
+ /*
+ * On RDB boards (in contrast to MDS) USBB pins are used for SD only,
+ * so we can safely mux them away from the USB block.
+ */
+ clrsetbits_be32(im + MPC83XX_SICRL_OFFS, MPC837X_SICRL_USBB_MASK,
+ MPC837X_SICRL_SD);
+ clrsetbits_be32(im + MPC83XX_SICRH_OFFS, MPC837X_SICRH_SPI_MASK,
+ MPC837X_SICRH_SD);
+ iounmap(im);
+}
+
/* ************************************************************************
*
* Setup the architecture
@@ -42,6 +64,7 @@ static void __init mpc837x_rdb_setup_arch(void)
mpc83xx_add_bridge(np);
#endif
mpc837x_usb_cfg();
+ mpc837x_rdb_sd_cfg();
}
static struct of_device_id mpc837x_ids[] = {
@@ -86,11 +109,12 @@ static int __init mpc837x_rdb_probe(void)
return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") ||
of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") ||
- of_flat_dt_is_compatible(root, "fsl,mpc8379rdb");
+ of_flat_dt_is_compatible(root, "fsl,mpc8379rdb") ||
+ of_flat_dt_is_compatible(root, "fsl,mpc8377wlan");
}
define_machine(mpc837x_rdb) {
- .name = "MPC837x RDB",
+ .name = "MPC837x RDB/WLAN",
.probe = mpc837x_rdb_probe,
.setup_arch = mpc837x_rdb_setup_arch,
.init_IRQ = mpc837x_rdb_init_IRQ,
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index d1dc5b0b4fb..0fea8811d45 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -30,6 +30,8 @@
#define MPC8315_SICRL_USB_ULPI 0x00000054
#define MPC837X_SICRL_USB_MASK 0xf0000000
#define MPC837X_SICRL_USB_ULPI 0x50000000
+#define MPC837X_SICRL_USBB_MASK 0x30000000
+#define MPC837X_SICRL_SD 0x20000000
/* system i/o configuration register high */
#define MPC83XX_SICRH_OFFS 0x118
@@ -38,6 +40,8 @@
#define MPC831X_SICRH_USB_ULPI 0x000000a0
#define MPC8315_SICRH_USB_MASK 0x0000ff00
#define MPC8315_SICRH_USB_ULPI 0x00000000
+#define MPC837X_SICRH_SPI_MASK 0x00000003
+#define MPC837X_SICRH_SD 0x00000001
/* USB Control Register */
#define FSL_USB2_CONTROL_OFFS 0x500