diff options
| author | Marek Vasut <marek.vasut@gmail.com> | 2010-07-27 21:48:10 +0200 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-08-05 14:32:45 +0800 |
| commit | a9c0629cdefd9c26746ece510fcc88357869685e (patch) | |
| tree | 196d0c32e643ee1ce89907ba5d90be94dfcd5e81 /arch/arm/mach-pxa | |
| parent | 12a2449c79686964a36b17175970a8e1c19b4cf7 (diff) | |
[ARM] pxa/balloon3: PCMCIA Support
This driver adds support for the on-board CF socket.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/balloon3.c | 13 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/balloon3.h | 36 |
2 files changed, 31 insertions, 18 deletions
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index 572525c26ca..91ad56d6e92 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -88,6 +88,18 @@ static unsigned long balloon3_pin_config[] __initdata = { /* 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 @@ static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc) { 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 1a741065045..d5dcf750c1e 100644 --- a/arch/arm/mach-pxa/include/mach/balloon3.h +++ b/arch/arm/mach-pxa/include/mach/balloon3.h @@ -26,10 +26,12 @@ enum balloon3_features { #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 @@ enum balloon3_features { #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 @@ enum balloon3_features { #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 @@ enum balloon3_features { /* 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) |