diff options
Diffstat (limited to 'arch/arm/mach-sa1100/h3600.c')
| -rw-r--r-- | arch/arm/mach-sa1100/h3600.c | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c index dd39f90db0d..65ab286a304 100644 --- a/arch/arm/mach-sa1100/h3600.c +++ b/arch/arm/mach-sa1100/h3600.c @@ -48,337 +48,6 @@ #include "generic.h" -struct gpio_default_state { - int gpio; - int mode; - const char *name; -}; - -#define GPIO_MODE_IN -1 -#define GPIO_MODE_OUT0 0 -#define GPIO_MODE_OUT1 1 - -static void h3xxx_init_gpio(struct gpio_default_state *s, size_t n) -{ - while (n--) { - const char *name = s->name; - int err; - - if (!name) - name = "[init]"; - err = gpio_request(s->gpio, name); - if (err) { - printk(KERN_ERR "gpio%u: unable to request: %d\n", - s->gpio, err); - continue; - } - if (s->mode >= 0) { - err = gpio_direction_output(s->gpio, s->mode); - } else { - err = gpio_direction_input(s->gpio); - } - if (err) { - printk(KERN_ERR "gpio%u: unable to set direction: %d\n", - s->gpio, err); - continue; - } - if (!s->name) - gpio_free(s->gpio); - s++; - } -} - - -/* - * H3xxx flash support - */ -static struct mtd_partition h3xxx_partitions[] = { - { - .name = "H3XXX boot firmware", - .size = 0x00040000, - .offset = 0, - .mask_flags = MTD_WRITEABLE, /* force read-only */ - }, { - .name = "H3XXX rootfs", - .size = MTDPART_SIZ_FULL, - .offset = 0x00040000, - } -}; - -static void h3xxx_set_vpp(int vpp) -{ - gpio_set_value(H3XXX_EGPIO_VPP_ON, vpp); -} - -static int h3xxx_flash_init(void) -{ - int err = gpio_request(H3XXX_EGPIO_VPP_ON, "Flash Vpp"); - if (err) - return err; - - err = gpio_direction_output(H3XXX_EGPIO_VPP_ON, 0); - if (err) - gpio_free(H3XXX_EGPIO_VPP_ON); - - return err; -} - -static void h3xxx_flash_exit(void) -{ - gpio_free(H3XXX_EGPIO_VPP_ON); -} - -static struct flash_platform_data h3xxx_flash_data = { - .map_name = "cfi_probe", - .set_vpp = h3xxx_set_vpp, - .init = h3xxx_flash_init, - .exit = h3xxx_flash_exit, - .parts = h3xxx_partitions, - .nr_parts = ARRAY_SIZE(h3xxx_partitions), -}; - -static struct resource h3xxx_flash_resource = { - .start = SA1100_CS0_PHYS, - .end = SA1100_CS0_PHYS + SZ_32M - 1, - .flags = IORESOURCE_MEM, -}; - - -/* - * H3xxx uart support - */ -static void h3xxx_uart_set_mctrl(struct uart_port *port, u_int mctrl) -{ - if (port->mapbase == _Ser3UTCR0) { - gpio_set_value(H3XXX_GPIO_COM_RTS, !(mctrl & TIOCM_RTS)); - } -} - -static u_int h3xxx_uart_get_mctrl(struct uart_port *port) -{ - u_int ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR; - - if (port->mapbase == _Ser3UTCR0) { - /* - * DCD and CTS bits are inverted in GPLR by RS232 transceiver - */ - if (gpio_get_value(H3XXX_GPIO_COM_DCD)) - ret &= ~TIOCM_CD; - if (gpio_get_value(H3XXX_GPIO_COM_CTS)) - ret &= ~TIOCM_CTS; - } - - return ret; -} - -static void h3xxx_uart_pm(struct uart_port *port, u_int state, u_int oldstate) -{ - if (port->mapbase == _Ser3UTCR0) - if (!gpio_request(H3XXX_EGPIO_RS232_ON, "RS232 transceiver")) { - gpio_direction_output(H3XXX_EGPIO_RS232_ON, !state); - gpio_free(H3XXX_EGPIO_RS232_ON); - } -} - -/* - * Enable/Disable wake up events for this serial port. - * Obviously, we only support this on the normal COM port. - */ -static int h3xxx_uart_set_wake(struct uart_port *port, u_int enable) -{ - int err = -EINVAL; - - if (port->mapbase == _Ser3UTCR0) { - if (enable) - PWER |= PWER_GPIO23 | PWER_GPIO25; /* DCD and CTS */ - else - PWER &= ~(PWER_GPIO23 | PWER_GPIO25); /* DCD and CTS */ - err = 0; - } - return err; -} - -static struct sa1100_port_fns h3xxx_port_fns __initdata = { - .set_mctrl = h3xxx_uart_set_mctrl, - .get_mctrl = h3xxx_uart_get_mctrl, - .pm = h3xxx_uart_pm, - .set_wake = h3xxx_uart_set_wake, -}; - -/* - * EGPIO - */ - -static struct resource egpio_resources[] = { - [0] = { - .start = H3600_EGPIO_PHYS, - .end = H3600_EGPIO_PHYS + 0x4 - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct htc_egpio_chip egpio_chips[] = { - [0] = { - .reg_start = 0, - .gpio_base = H3XXX_EGPIO_BASE, - .num_gpios = 16, - .direction = HTC_EGPIO_OUTPUT, - .initial_values = 0x0080, /* H3XXX_EGPIO_RS232_ON */ - }, -}; - -static struct htc_egpio_platform_data egpio_info = { - .reg_width = 16, - .bus_width = 16, - .chip = egpio_chips, - .num_chips = ARRAY_SIZE(egpio_chips), -}; - -static struct platform_device h3xxx_egpio = { - .name = "htc-egpio", - .id = -1, - .resource = egpio_resources, - .num_resources = ARRAY_SIZE(egpio_resources), - .dev = { - .platform_data = &egpio_info, - }, -}; - -static struct platform_device *h3xxx_devices[] = { - &h3xxx_egpio, -}; - -static void __init h3xxx_mach_init(void) -{ - sa1100_register_uart_fns(&h3xxx_port_fns); - sa11x0_register_mtd(&h3xxx_flash_data, &h3xxx_flash_resource, 1); - platform_add_devices(h3xxx_devices, ARRAY_SIZE(h3xxx_devices)); -} - -static struct map_desc h3600_io_desc[] __initdata = { - { /* static memory bank 2 CS#2 */ - .virtual = H3600_BANK_2_VIRT, - .pfn = __phys_to_pfn(SA1100_CS2_PHYS), - .length = 0x02800000, - .type = MT_DEVICE - }, { /* static memory bank 4 CS#4 */ - .virtual = H3600_BANK_4_VIRT, - .pfn = __phys_to_pfn(SA1100_CS4_PHYS), - .length = 0x00800000, - .type = MT_DEVICE - }, { /* EGPIO 0 CS#5 */ - .virtual = H3600_EGPIO_VIRT, - .pfn = __phys_to_pfn(H3600_EGPIO_PHYS), - .length = 0x01000000, - .type = MT_DEVICE - } -}; - -/* - * Common map_io initialization - */ - -static void __init h3xxx_map_io(void) -{ - sa1100_map_io(); - iotable_init(h3600_io_desc, ARRAY_SIZE(h3600_io_desc)); - - sa1100_register_uart(0, 3); /* Common serial port */ -// sa1100_register_uart(1, 1); /* Microcontroller on 3100/3600 */ - - /* Ensure those pins are outputs and driving low */ - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - - /* Configure suspend conditions */ - PGSR = 0; - PWER = PWER_GPIO0; - PCFR = PCFR_OPDE; - PSDR = 0; - - GPCR = 0x0fffffff; /* All outputs are set low by default */ - GPDR = 0; /* Configure all GPIOs as input */ -} - -/************************* H3100 *************************/ - -#ifdef CONFIG_SA1100_H3100 - -/* - * helper for sa1100fb - */ -static void h3100_lcd_power(int enable) -{ - if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) { - gpio_set_value(H3100_GPIO_LCD_3V_ON, enable); - gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable); - gpio_free(H3XXX_EGPIO_LCD_ON); - } -} - - -static void __init h3100_map_io(void) -{ - h3xxx_map_io(); - - sa1100fb_lcd_power = h3100_lcd_power; - - /* Older bootldrs put GPIO2-9 in alternate mode on the - assumption that they are used for video */ - GAFR &= ~0x000001fb; -} - -/* - * This turns the IRDA power on or off on the Compaq H3100 - */ -static int h3100_irda_set_power(struct device *dev, unsigned int state) -{ - gpio_set_value(H3100_GPIO_IR_ON, state); - return 0; -} - -static void h3100_irda_set_speed(struct device *dev, unsigned int speed) -{ - gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000)); -} - -static struct irda_platform_data h3100_irda_data = { - .set_power = h3100_irda_set_power, - .set_speed = h3100_irda_set_speed, -}; - -static struct gpio_default_state h3100_default_gpio[] = { - { H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" }, - { H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" }, - { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" }, - { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" }, - { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" }, - { H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" }, -}; - -static void __init h3100_mach_init(void) -{ - h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio)); - h3xxx_mach_init(); - sa11x0_register_irda(&h3100_irda_data); -} - -MACHINE_START(H3100, "Compaq iPAQ H3100") - .phys_io = 0x80000000, - .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, - .boot_params = 0xc0000100, - .map_io = h3100_map_io, - .init_irq = sa1100_init_irq, - .timer = &sa1100_timer, - .init_machine = h3100_mach_init, -MACHINE_END - -#endif /* CONFIG_SA1100_H3100 */ - -/************************* H3600 *************************/ - -#ifdef CONFIG_SA1100_H3600 - /* * helper for sa1100fb */ @@ -483,5 +152,3 @@ MACHINE_START(H3600, "Compaq iPAQ H3600") .init_machine = h3600_mach_init, MACHINE_END -#endif /* CONFIG_SA1100_H3600 */ - |