#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
*/
.init_machine = h3600_mach_init,
MACHINE_END
-#endif /* CONFIG_SA1100_H3600 */
-
git.samba.org / sfrench / cifs-2.6.git / blobdiff