[ARM] pxa/balloon3: PCMCIA Support
This driver adds support for the on-board CF socket.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index 572525c..91ad56d 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -88,6 +88,18 @@
/* USB Host */
GPIO88_USBH1_PWR,
GPIO89_USBH1_PEN,
+
+ /* PC Card */
+ GPIO48_nPOE,
+ GPIO49_nPWE,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO85_nPCE_1,
+ GPIO54_nPCE_2,
+ GPIO79_PSKTSEL,
+ GPIO55_nPREG,
+ GPIO56_nPWAIT,
+ GPIO57_nIOIS16,
};
/******************************************************************************
@@ -405,7 +417,6 @@
{
unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
balloon3_irq_enabled;
-
do {
/* clear useless edge notification */
if (desc->chip->ack)
diff --git a/arch/arm/mach-pxa/include/mach/balloon3.h b/arch/arm/mach-pxa/include/mach/balloon3.h
index 1a74106..d5dcf75 100644
--- a/arch/arm/mach-pxa/include/mach/balloon3.h
+++ b/arch/arm/mach-pxa/include/mach/balloon3.h
@@ -26,10 +26,12 @@
#define BALLOON3_FPGA_VIRT (0xf1000000) /* as per balloon2 */
#define BALLOON3_FPGA_LENGTH 0x01000000
-/* FPGA/CPLD registers */
-#define BALLOON3_PCMCIA0_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
-/* fixme - same for now */
-#define BALLOON3_PCMCIA1_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
+/* FPGA / CPLD registers for CF socket */
+#define BALLOON3_CF_STATUS_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
+#define BALLOON3_CF_CONTROL_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
+/* FPGA / CPLD version register */
+#define BALLOON3_FPGA_VER (BALLOON3_FPGA_VIRT + 0x00e0001c)
+
#define BALLOON3_NANDIO_IO_REG (BALLOON3_FPGA_VIRT + 0x00e00000)
/* fpga/cpld interrupt control register */
#define BALLOON3_INT_CONTROL_REG (BALLOON3_FPGA_VIRT + 0x00e0000C)
@@ -41,6 +43,19 @@
#define BALLOON3_SAMOSA_DATA_REG (BALLOON3_FPGA_VIRT + 0x00c00004)
#define BALLOON3_SAMOSA_STATUS_REG (BALLOON3_FPGA_VIRT + 0x00c0001c)
+/* CF Status Register bits (read-only) bits */
+#define BALLOON3_CF_nIRQ (1 << 0)
+#define BALLOON3_CF_nSTSCHG_BVD1 (1 << 1)
+
+/* CF Control Set Register bits / CF Control Clear Register bits (write-only) */
+#define BALLOON3_CF_RESET (1 << 0)
+#define BALLOON3_CF_ENABLE (1 << 1)
+#define BALLOON3_CF_ADD_ENABLE (1 << 2)
+
+/* CF Interrupt sources */
+#define BALLOON3_BP_CF_NRDY_IRQ BALLOON3_IRQ(0)
+#define BALLOON3_BP_NSTSCHG_IRQ BALLOON3_IRQ(1)
+
/* GPIOs for irqs */
#define BALLOON3_GPIO_AUX_NIRQ (94)
#define BALLOON3_GPIO_CODEC_IRQ (95)
@@ -58,16 +73,6 @@
#define BALLOON3_INT_S0_IRQ (1 << 0) /* PCMCIA 0 IRQ */
#define BALLOON3_INT_S0_STSCHG (1 << 1) /* PCMCIA 0 status changed */
-/* CF Status Register */
-#define BALLOON3_PCMCIA_nIRQ (1 << 0) /* IRQ / ready signal */
-#define BALLOON3_PCMCIA_nSTSCHG_BVD1 (1 << 1)
- /* VDD sense / card status changed */
-
-/* CF control register (write) */
-#define BALLOON3_PCMCIA_RESET (1 << 0) /* Card reset signal */
-#define BALLOON3_PCMCIA_ENABLE (1 << 1)
-#define BALLOON3_PCMCIA_ADD_ENABLE (1 << 2)
-
/* CPLD (and FPGA) interface definitions */
#define CPLD_LCD0_DATA_SET 0x00
#define CPLD_LCD0_DATA_CLR 0x10
@@ -132,9 +137,6 @@
/* Balloon3 Interrupts */
#define BALLOON3_IRQ(x) (IRQ_BOARD_START + (x))
-#define BALLOON3_BP_CF_NRDY_IRQ BALLOON3_IRQ(0)
-#define BALLOON3_BP_NSTSCHG_IRQ BALLOON3_IRQ(1)
-
#define BALLOON3_AUX_NIRQ IRQ_GPIO(BALLOON3_GPIO_AUX_NIRQ)
#define BALLOON3_CODEC_IRQ IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ)
#define BALLOON3_S0_CD_IRQ IRQ_GPIO(BALLOON3_GPIO_S0_CD)