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authorMichal Simek <monstr@monstr.eu>2014-04-25 12:21:04 +0200
committerMichal Simek <michal.simek@xilinx.com>2014-05-14 07:43:35 +0200
commiteb8c54bfaabec7b8ba65a054f6c3e37572288ae9 (patch)
treee85430dc520a89c97c0d1ec4deaf901e9e04b033 /arch
parent3cc3fa8672705e609ccd25348438453bd8de07fd (diff)
ARM: zynq: ehci: Added USB host driver support
Added USB host driver for zynq. Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv7/zynq/slcr.c24
-rw-r--r--arch/arm/include/asm/arch-zynq/hardware.h2
2 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/zynq/slcr.c b/arch/arm/cpu/armv7/zynq/slcr.c
index 51894f92397..934ccc31c86 100644
--- a/arch/arm/cpu/armv7/zynq/slcr.c
+++ b/arch/arm/cpu/armv7/zynq/slcr.c
@@ -14,6 +14,8 @@
#define SLCR_LOCK_MAGIC 0x767B
#define SLCR_UNLOCK_MAGIC 0xDF0D
+#define SLCR_USB_L1_SEL 0x04
+
#define SLCR_IDCODE_MASK 0x1F000
#define SLCR_IDCODE_SHIFT 12
@@ -34,7 +36,29 @@ struct zynq_slcr_mio_get_status {
u32 check_val;
};
+static const int usb0_pins[] = {
+ 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39
+};
+
+static const int usb1_pins[] = {
+ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51
+};
+
static const struct zynq_slcr_mio_get_status mio_periphs[] = {
+ {
+ "usb0",
+ usb0_pins,
+ ARRAY_SIZE(usb0_pins),
+ SLCR_USB_L1_SEL,
+ SLCR_USB_L1_SEL,
+ },
+ {
+ "usb1",
+ usb1_pins,
+ ARRAY_SIZE(usb1_pins),
+ SLCR_USB_L1_SEL,
+ SLCR_USB_L1_SEL,
+ },
};
static int slcr_lock = 1; /* 1 means locked, 0 means unlocked */
diff --git a/arch/arm/include/asm/arch-zynq/hardware.h b/arch/arm/include/asm/arch-zynq/hardware.h
index a9d091f141e..2aede0c552c 100644
--- a/arch/arm/include/asm/arch-zynq/hardware.h
+++ b/arch/arm/include/asm/arch-zynq/hardware.h
@@ -23,6 +23,8 @@
#define ZYNQ_SPI_BASEADDR1 0xE0007000
#define ZYNQ_DDRC_BASEADDR 0xF8006000
#define ZYNQ_EFUSE_BASEADDR 0xF800D000
+#define ZYNQ_USB_BASEADDR0 0xE0002000
+#define ZYNQ_USB_BASEADDR1 0xE0003000
/* Bootmode setting values */
#define ZYNQ_BM_MASK 0x7