diff options
Diffstat (limited to 'arch/arm/mach-lh7a40x/arch-lpd7a40x.c')
| -rw-r--r-- | arch/arm/mach-lh7a40x/arch-lpd7a40x.c | 201 |
1 files changed, 141 insertions, 60 deletions
diff --git a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c index 12e23277c5ea..35c3606a2079 100644 --- a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c +++ b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c @@ -12,6 +12,7 @@ #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> @@ -23,6 +24,28 @@ #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, @@ -48,12 +71,12 @@ static struct platform_device smc91x_device = { 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, }, }; @@ -61,7 +84,8 @@ static struct resource lh7a40x_usbclient_resources[] = { 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, @@ -101,7 +125,7 @@ static struct platform_device lh7a404_usbhost_device = { #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) @@ -113,29 +137,52 @@ extern void lpd7a400_map_io (void); 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 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 } } @@ -143,11 +190,13 @@ static void lh7a40x_unmask_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 } } @@ -164,11 +213,13 @@ static void lpd7a40x_cpld_handler (unsigned int irq, struct irqdesc *desc, 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 */ } @@ -204,9 +255,21 @@ void __init lh7a40x_init_board_irq (void) /* 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 */ @@ -216,7 +279,7 @@ void __init lh7a40x_init_board_irq (void) 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, do_level_IRQ); set_irq_flags (irq, IRQF_VALID); } @@ -226,91 +289,109 @@ void __init lh7a40x_init_board_irq (void) 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 @@ -320,7 +401,7 @@ MACHINE_START (LPD7A400, "Logic Product Development LPD7A400-10") .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, @@ -335,7 +416,7 @@ MACHINE_START (LPD7A404, "Logic Product Development LPD7A404-10") .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, |