コード例 #1
0
void up_irqinitialize(void)
{
  /* Prepare hardware */

  calypso_exceptions_install();
  current_regs = NULL;

  /* Switch to internal ROM */

  calypso_bootrom(1);

  /* Set default priorities */

  set_default_priorities();

  /* Mask all interrupts off */

  putreg16(0xffff, IRQ_REG(MASK_IT_REG1));
  putreg16(0xffff, IRQ_REG(MASK_IT_REG2));

  /* clear all pending interrupts */
  putreg16(0, IRQ_REG(IT_REG1));
  putreg16(0, IRQ_REG(IT_REG2));

  /* Enable interrupts globally to the ARM core */

#ifndef CONFIG_SUPPRESS_INTERRUPTS
  irqrestore(SVC_MODE | PSR_F_BIT);
#endif
}
コード例 #2
0
ファイル: init.c プロジェクト: kashif-test/VBTS
void board_init(void)
{
	/* Configure the memory interface */
	calypso_mem_cfg(CALYPSO_nCS0, 3, CALYPSO_MEM_16bit, 1);
	calypso_mem_cfg(CALYPSO_nCS1, 3, CALYPSO_MEM_16bit, 1);
	calypso_mem_cfg(CALYPSO_nCS2, 5, CALYPSO_MEM_16bit, 1);
	calypso_mem_cfg(CALYPSO_nCS3, 5, CALYPSO_MEM_16bit, 1);
	calypso_mem_cfg(CALYPSO_CS4, 0, CALYPSO_MEM_8bit, 1);
	calypso_mem_cfg(CALYPSO_nCS6, 0, CALYPSO_MEM_32bit, 1);
	calypso_mem_cfg(CALYPSO_nCS7, 0, CALYPSO_MEM_32bit, 0);

	/* Set VTCXO_DIV2 = 1, configure PLL for 104 MHz and give ARM half of that */
	calypso_clock_set(2, CALYPSO_PLL13_104_MHZ, ARM_MCLK_DIV_2);

	/* Configure the RHEA bridge with some sane default values */
	calypso_rhea_cfg(0, 0, 0xff, 0, 1, 0, 0);

	/* Initialize board-specific GPIO */
	board_io_init();

	/* Enable bootrom mapping to route exception vectors to RAM */
	calypso_bootrom(1);
	calypso_exceptions_install();

	/* Initialize interrupt controller */
	irq_init();

	/* initialize MODEM UART to be used for sercomm*/
	uart_init(SERCOMM_UART_NR, 1);
	uart_baudrate(SERCOMM_UART_NR, UART_115200);

	/* Initialize IRDA UART to be used for old-school console code.
	 * note: IRDA uart only accessible on C115 and C117 PCB */
	uart_init(CONS_UART_NR, 1);
	uart_baudrate(CONS_UART_NR, UART_115200);

	/* Initialize hardware timers */
	hwtimer_init();

	/* Initialize DMA controller */
	dma_init();

	/* Initialize real time clock */
	rtc_init();

	/* Initialize system timers (uses hwtimer 2) */
	timer_init();

	/* Initialize LCD driver (uses I2C) and backlight */
	display = &st7558_display;
	display_init();
	bl_mode_pwl(1);
	bl_level(50);

	/* Initialize keypad driver */
	keypad_init(1);

	/* Initialize ABB driver (uses SPI) */
	twl3025_init();
}
コード例 #3
0
ファイル: main.c プロジェクト: QNewU/osmocom-bb
static void device_enter_loader(unsigned char bootrom)
{
	flush_uart();

	calypso_bootrom(bootrom);
	void (*entry) (void) = (void (*)(void))0;
	entry();
}
コード例 #4
0
ファイル: init.c プロジェクト: 0x7678/osmocom-BB
void board_init(int with_irq)
{
	/* Disable watchdog (compal loader leaves it enabled) */
	wdog_enable(0);

	/* Configure memory interface */
	calypso_mem_cfg(CALYPSO_nCS0, 3, CALYPSO_MEM_16bit, 1);
	calypso_mem_cfg(CALYPSO_nCS1, 3, CALYPSO_MEM_16bit, 1);
	calypso_mem_cfg(CALYPSO_nCS2, 5, CALYPSO_MEM_16bit, 1);
	calypso_mem_cfg(CALYPSO_nCS3, 5, CALYPSO_MEM_16bit, 1);
	calypso_mem_cfg(CALYPSO_CS4, 0, CALYPSO_MEM_8bit, 1);
	calypso_mem_cfg(CALYPSO_nCS6, 0, CALYPSO_MEM_32bit, 1);
	calypso_mem_cfg(CALYPSO_nCS7, 0, CALYPSO_MEM_32bit, 0);

	/* Set VTCXO_DIV2 = 1, configure PLL for 104 MHz and give ARM half of that */
	calypso_clock_set(2, CALYPSO_PLL13_104_MHZ, ARM_MCLK_DIV_2);

	/* Configure the RHEA bridge with some sane default values */
	calypso_rhea_cfg(0, 0, 0xff, 0, 1, 0, 0);

	/* Initialize board-specific GPIO */
	board_io_init();

	/* Enable bootrom mapping to route exception vectors to RAM */
	calypso_bootrom(with_irq);
	calypso_exceptions_install();

	/* Initialize interrupt controller */
	if (with_irq)
		irq_init();

	sercomm_bind_uart(UART_MODEM);
	cons_bind_uart(UART_IRDA);

	/* initialize MODEM UART to be used for sercomm */
	uart_init(UART_MODEM, with_irq);
	uart_baudrate(UART_MODEM, UART_115200);

	/* initialize IRDA UART to be used for old-school console code.
	 * note: IRDA uart only accessible on C115 and C117 PCB */
	uart_init(UART_IRDA, with_irq);
	uart_baudrate(UART_IRDA, UART_115200);

	/* Initialize hardware timers */
	hwtimer_init();

	/* Initialize DMA controller */
	dma_init();

	/* Initialize real time clock */
	rtc_init();

	/* Initialize system timers (uses hwtimer 2) */
	timer_init();

	/* Initialize LCD driver (uses UWire) */
	fb_init();
	bl_mode_pwl(1);
	bl_level(0);

	/* Initialize keypad driver */
	keypad_init(keymap, with_irq);

	/* Initialize ABB driver (uses SPI) */
	twl3025_init();

	/* enable LEDB driver of Iota for keypad backlight */
	twl3025_reg_write(AUXLED, 0x02);
}
コード例 #5
0
ファイル: main.c プロジェクト: kashif-test/VBTS
int main(void)
{
	/* Simulate a compal loader saying "ACK" */
	int i = 0;
	for (i = 0; i < sizeof(phone_ack); i++) {
		putchar_asm(phone_ack[i]);
	}

	/* Always disable wdt (some platforms enable it on boot) */
	wdog_enable(0);

	/* Disable the bootrom mapping */
	calypso_bootrom(0);

	/* Initialize TWL3025 for power control */
	twl3025_init();

	/* Backlight */
	bl_mode_pwl(1);
	bl_level(50);

	/* Initialize UART without interrupts */
	uart_init(SERCOMM_UART_NR, 0);
	uart_baudrate(SERCOMM_UART_NR, UART_115200);

	/* Initialize HDLC subsystem */
	sercomm_init();

	/* Say hi */
	puts("\n\nOSMOCOM Loader (revision " GIT_REVISION ")\n");
	puts(hr);

	/* Identify environment */
	printf("Running on %s in environment %s\n", manifest_board,
	       manifest_environment);

	/* Initialize flash driver */
	if (flash_init(&the_flash, 0)) {
		puts("Failed to initialize flash!\n");
	} else {
		printf("Found flash of %d bytes at 0x%x with %d regions\n",
		       the_flash.f_size, the_flash.f_base,
		       the_flash.f_nregions);

		int i;
		for (i = 0; i < the_flash.f_nregions; i++) {
			printf("  Region %d of %d pages with %d bytes each.\n",
			       i,
			       the_flash.f_regions[i].fr_bnum,
			       the_flash.f_regions[i].fr_bsize);
		}

	}

	/* Set up a key handler for powering off */
	keypad_set_handler(&key_handler);

	/* Set up loader communications */
	sercomm_register_rx_cb(SC_DLCI_LOADER, &cmd_handler);

	/* Notify any running osmoload about our startup */
	loader_send_init(SC_DLCI_LOADER);

	/* Wait for events */
	while (1) {
		keypad_poll();
		uart_poll(SERCOMM_UART_NR);
	}

	/* NOT REACHED */

	twl3025_power_off();
}