#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <asm/hardware.h>
#include <asm/setup.h>
#include "common.h"
+#define CPLD_INT_NETHERNET (1<<0)
+#define CPLD_INTMASK_ETHERNET (1<<2)
+#if defined (CONFIG_MACH_LPD7A400)
+# define CPLD_INT_NTOUCH (1<<1)
+# define CPLD_INTMASK_TOUCH (1<<3)
+# define CPLD_INT_PEN (1<<4)
+# define CPLD_INTMASK_PEN (1<<4)
+# define CPLD_INT_PIRQ (1<<4)
+#endif
+#define CPLD_INTMASK_CPLD (1<<7)
+#define CPLD_INT_CPLD (1<<6)
+
+#define CPLD_CONTROL_SWINT (1<<7) /* Disable all CPLD IRQs */
+#define CPLD_CONTROL_OCMSK (1<<6) /* Mask USB1 connect IRQ */
+#define CPLD_CONTROL_PDRV (1<<5) /* PCC_nDRV high */
+#define CPLD_CONTROL_USB1C (1<<4) /* USB1 connect IRQ active */
+#define CPLD_CONTROL_USB1P (1<<3) /* USB1 power disable */
+#define CPLD_CONTROL_AWKP (1<<2) /* Auto-wakeup disabled */
+#define CPLD_CONTROL_LCD_ENABLE (1<<1) /* LCD Vee enable */
+#define CPLD_CONTROL_WRLAN_NENABLE (1<<0) /* SMC91x power disable */
+
+
static struct resource smc91x_resources[] = {
[0] = {
.start = CPLD00_PHYS,
static struct resource lh7a40x_usbclient_resources[] = {
[0] = {
.start = USB_PHYS,
- .end = (USB_PHYS + 0xFF),
+ .end = (USB_PHYS + PAGE_SIZE),
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = IRQ_USBINTR,
- .end = IRQ_USBINTR,
+ .start = IRQ_USB,
+ .end = IRQ_USB,
.flags = IORESOURCE_IRQ,
},
};
static u64 lh7a40x_usbclient_dma_mask = 0xffffffffUL;
static struct platform_device lh7a40x_usbclient_device = {
- .name = "lh7a40x_udc",
+// .name = "lh7a40x_udc",
+ .name = "lh7-udc",
.id = 0,
.dev = {
.dma_mask = &lh7a40x_usbclient_dma_mask,
#endif
-static struct platform_device *lpd7a40x_devs[] __initdata = {
+static struct platform_device* lpd7a40x_devs[] __initdata = {
&smc91x_device,
&lh7a40x_usbclient_device,
#if defined (CONFIG_ARCH_LH7A404)
static void __init lpd7a40x_init (void)
{
- CPLD_CONTROL |= (1<<6); /* Mask USB1 connection IRQ */
+#if defined (CONFIG_MACH_LPD7A400)
+ CPLD_CONTROL |= 0
+ | CPLD_CONTROL_SWINT /* Disable software interrupt */
+ | CPLD_CONTROL_OCMSK; /* Mask USB1 connection IRQ */
CPLD_CONTROL &= ~(0
- | (1<<1) /* Disable LCD */
- | (1<<0) /* Enable WLAN */
+ | CPLD_CONTROL_LCD_ENABLE /* Disable LCD */
+ | CPLD_CONTROL_WRLAN_NENABLE /* Enable SMC91x */
);
+#endif
+
+#if defined (CONFIG_MACH_LPD7A404)
+ CPLD_CONTROL &= ~(0
+ | CPLD_CONTROL_WRLAN_NENABLE /* Enable SMC91x */
+ );
+#endif
platform_add_devices (lpd7a40x_devs, ARRAY_SIZE (lpd7a40x_devs));
+#if defined (CONFIG_FB_ARMCLCD)
+ lh7a40x_clcd_init ();
+#endif
}
static void lh7a40x_ack_cpld_irq (u32 irq)
{
- /* CPLD doesn't have ack capability */
+ /* CPLD doesn't have ack capability, but some devices may */
+
+#if defined (CPLD_INTMASK_TOUCH)
+ /* The touch control *must* mask the interrupt because the
+ * interrupt bit is read by the driver to determine if the pen
+ * is still down. */
+ if (irq == IRQ_TOUCH)
+ CPLD_INTERRUPTS |= CPLD_INTMASK_TOUCH;
+#endif
}
static void lh7a40x_mask_cpld_irq (u32 irq)
{
switch (irq) {
case IRQ_LPD7A40X_ETH_INT:
- CPLD_INTERRUPTS = CPLD_INTERRUPTS | 0x4;
+ CPLD_INTERRUPTS |= CPLD_INTMASK_ETHERNET;
break;
- case IRQ_LPD7A400_TS:
- CPLD_INTERRUPTS = CPLD_INTERRUPTS | 0x8;
+#if defined (IRQ_TOUCH)
+ case IRQ_TOUCH:
+ CPLD_INTERRUPTS |= CPLD_INTMASK_TOUCH;
break;
+#endif
}
}
{
switch (irq) {
case IRQ_LPD7A40X_ETH_INT:
- CPLD_INTERRUPTS = CPLD_INTERRUPTS & ~ 0x4;
+ CPLD_INTERRUPTS &= ~CPLD_INTMASK_ETHERNET;
break;
- case IRQ_LPD7A400_TS:
- CPLD_INTERRUPTS = CPLD_INTERRUPTS & ~ 0x8;
+#if defined (IRQ_TOUCH)
+ case IRQ_TOUCH:
+ CPLD_INTERRUPTS &= ~CPLD_INTMASK_TOUCH;
break;
+#endif
}
}
-static struct irqchip lpd7a40x_cpld_chip = {
+static struct irq_chip lpd7a40x_cpld_chip = {
+ .name = "CPLD",
.ack = lh7a40x_ack_cpld_irq,
.mask = lh7a40x_mask_cpld_irq,
.unmask = lh7a40x_unmask_cpld_irq,
};
-static void lpd7a40x_cpld_handler (unsigned int irq, struct irqdesc *desc,
- struct pt_regs *regs)
+static void lpd7a40x_cpld_handler (unsigned int irq, struct irq_desc *desc)
{
unsigned int mask = CPLD_INTERRUPTS;
desc->chip->ack (irq);
- if ((mask & 0x1) == 0) /* WLAN */
+ if ((mask & (1<<0)) == 0) /* WLAN */
IRQ_DISPATCH (IRQ_LPD7A40X_ETH_INT);
- if ((mask & 0x2) == 0) /* Touch */
- IRQ_DISPATCH (IRQ_LPD7A400_TS);
+#if defined (IRQ_TOUCH)
+ if ((mask & (1<<1)) == 0) /* Touch */
+ IRQ_DISPATCH (IRQ_TOUCH);
+#endif
desc->chip->unmask (irq); /* Level-triggered need this */
}
/* Then, configure CPLD interrupt */
- CPLD_INTERRUPTS = 0x9c; /* Disable all CPLD interrupts */
+ /* Disable all CPLD interrupts */
+#if defined (CONFIG_MACH_LPD7A400)
+ CPLD_INTERRUPTS = CPLD_INTMASK_TOUCH | CPLD_INTMASK_PEN
+ | CPLD_INTMASK_ETHERNET;
+ /* *** FIXME: don't know why we need 7 and 4. 7 is way wrong
+ and 4 is uncefined. */
+ // (1<<7)|(1<<4)|(1<<3)|(1<<2);
+#endif
+#if defined (CONFIG_MACH_LPD7A404)
+ CPLD_INTERRUPTS = CPLD_INTMASK_ETHERNET;
+ /* *** FIXME: don't know why we need 6 and 5, neither is defined. */
+ // (1<<6)|(1<<5)|(1<<3);
+#endif
GPIO_PFDD &= ~(1 << pinCPLD); /* Make input */
- GPIO_INTTYPE1 |= (1 << pinCPLD); /* Edge triggered */
+ GPIO_INTTYPE1 &= ~(1 << pinCPLD); /* Level triggered */
GPIO_INTTYPE2 &= ~(1 << pinCPLD); /* Active low */
barrier ();
GPIO_GPIOFINTEN |= (1 << pinCPLD); /* Enable */
for (irq = IRQ_BOARD_START;
irq < IRQ_BOARD_START + NR_IRQ_BOARD; ++irq) {
set_irq_chip (irq, &lpd7a40x_cpld_chip);
- set_irq_handler (irq, do_edge_IRQ);
+ set_irq_handler (irq, handle_level_irq);
set_irq_flags (irq, IRQF_VALID);
}
lpd7a40x_cpld_handler);
}
-static struct map_desc lpd7a400_io_desc[] __initdata = {
+static struct map_desc lpd7a40x_io_desc[] __initdata = {
{
- .virtual = IO_VIRT,
+ .virtual = IO_VIRT,
.pfn = __phys_to_pfn(IO_PHYS),
- .length = IO_SIZE,
+ .length = IO_SIZE,
.type = MT_DEVICE
- }, { /* Mapping added to work around chip select problems */
+ },
+ { /* Mapping added to work around chip select problems */
.virtual = IOBARRIER_VIRT,
.pfn = __phys_to_pfn(IOBARRIER_PHYS),
.length = IOBARRIER_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CF_VIRT,
.pfn = __phys_to_pfn(CF_PHYS),
- .length = CF_SIZE,
+ .length = CF_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CPLD02_VIRT,
.pfn = __phys_to_pfn(CPLD02_PHYS),
- .length = CPLD02_SIZE,
+ .length = CPLD02_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CPLD06_VIRT,
.pfn = __phys_to_pfn(CPLD06_PHYS),
- .length = CPLD06_SIZE,
+ .length = CPLD06_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = CPLD08_VIRT,
+ .pfn = __phys_to_pfn(CPLD08_PHYS),
+ .length = CPLD08_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CPLD08_VIRT,
.pfn = __phys_to_pfn(CPLD08_PHYS),
- .length = CPLD08_SIZE,
+ .length = CPLD08_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
+ .virtual = CPLD0A_VIRT,
+ .pfn = __phys_to_pfn(CPLD0A_PHYS),
+ .length = CPLD0A_SIZE,
+ .type = MT_DEVICE
+ },
+ {
.virtual = CPLD0C_VIRT,
.pfn = __phys_to_pfn(CPLD0C_PHYS),
- .length = CPLD0C_SIZE,
+ .length = CPLD0C_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CPLD0E_VIRT,
.pfn = __phys_to_pfn(CPLD0E_PHYS),
- .length = CPLD0E_SIZE,
+ .length = CPLD0E_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CPLD10_VIRT,
.pfn = __phys_to_pfn(CPLD10_PHYS),
- .length = CPLD10_SIZE,
+ .length = CPLD10_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CPLD12_VIRT,
.pfn = __phys_to_pfn(CPLD12_PHYS),
- .length = CPLD12_SIZE,
+ .length = CPLD12_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CPLD14_VIRT,
.pfn = __phys_to_pfn(CPLD14_PHYS),
- .length = CPLD14_SIZE,
+ .length = CPLD14_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CPLD16_VIRT,
.pfn = __phys_to_pfn(CPLD16_PHYS),
- .length = CPLD16_SIZE,
+ .length = CPLD16_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CPLD18_VIRT,
.pfn = __phys_to_pfn(CPLD18_PHYS),
- .length = CPLD18_SIZE,
+ .length = CPLD18_SIZE,
.type = MT_DEVICE
- }, {
+ },
+ {
.virtual = CPLD1A_VIRT,
.pfn = __phys_to_pfn(CPLD1A_PHYS),
- .length = CPLD1A_SIZE,
+ .length = CPLD1A_SIZE,
.type = MT_DEVICE
},
- /* This mapping is redundant since the smc driver performs another. */
-/* { CPLD00_VIRT, CPLD00_PHYS, CPLD00_SIZE, MT_DEVICE }, */
};
void __init
-lpd7a400_map_io(void)
+lpd7a40x_map_io(void)
{
- iotable_init (lpd7a400_io_desc, ARRAY_SIZE (lpd7a400_io_desc));
-
- /* Fixup (improve) Static Memory Controller settings */
- SMC_BCR0 = 0x200039af; /* Boot Flash */
- SMC_BCR6 = 0x1000fbe0; /* CPLD */
- SMC_BCR7 = 0x1000b2c2; /* Compact Flash */
+ iotable_init (lpd7a40x_io_desc, ARRAY_SIZE (lpd7a40x_io_desc));
}
#ifdef CONFIG_MACH_LPD7A400
.phys_io = 0x80000000,
.io_pg_offst = ((io_p2v (0x80000000))>>18) & 0xfffc,
.boot_params = 0xc0000100,
- .map_io = lpd7a400_map_io,
+ .map_io = lpd7a40x_map_io,
.init_irq = lh7a400_init_irq,
.timer = &lh7a40x_timer,
.init_machine = lpd7a40x_init,
.phys_io = 0x80000000,
.io_pg_offst = ((io_p2v (0x80000000))>>18) & 0xfffc,
.boot_params = 0xc0000100,
- .map_io = lpd7a400_map_io,
+ .map_io = lpd7a40x_map_io,
.init_irq = lh7a404_init_irq,
.timer = &lh7a40x_timer,
.init_machine = lpd7a40x_init,