예제 #1
0
void hw_init(void)
{
	/* Disable watchdog */
	at91_disable_wdt();

	/*
	 * At this stage the main oscillator is supposed to be enabled
	 * PCK = MCK = MOSC
	 */
	pmc_init_pll(0);

	/* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */
	pmc_cfg_plla(PLLA_SETTINGS, PLL_LOCK_TIMEOUT);

	/* PCK = PLLA/2 = 3 * MCK */
	pmc_cfg_mck(MCKR_SETTINGS, PLL_LOCK_TIMEOUT);

	/* Switch MCK on PLLA output */
	pmc_cfg_mck(MCKR_CSS_SETTINGS, PLL_LOCK_TIMEOUT);

	/* Configure PLLB  */
	//pmc_cfg_pllb(PLLB_SETTINGS, PLL_LOCK_TIMEOUT);

	/* Enable External Reset */
	writel(AT91C_RSTC_KEY_UNLOCK | AT91C_RSTC_URSTEN, AT91C_BASE_RSTC + RSTC_RMR);

	/* Configure the EBI Slave Slot Cycle to 64 */
	writel((readl((AT91C_BASE_MATRIX + MATRIX_SCFG3)) & ~0xFF) | 0x40,
		(AT91C_BASE_MATRIX + MATRIX_SCFG3));

	/* Init timer */
	timer_init();

	/* Initialize dbgu */
	initialize_dbgu();

#ifdef CONFIG_SDRAM
	/* Initlialize sdram controller */
	sdramc_init();
#endif

#ifdef CONFIG_USER_HW_INIT
	hw_init_hook();
#endif

#if defined(CONFIG_NANDFLASH_RECOVERY) || defined(CONFIG_DATAFLASH_RECOVERY)
	/* Init the recovery buttons pins */
	recovery_buttons_hw_init();
#endif
}
예제 #2
0
void hw_init(void)
{
	/* Disable watchdog */
	at91_disable_wdt();

	/*
	 * At this stage the main oscillator is supposed to be enabled
	 * PCK = MCK = MOSC
	 */

	/* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */
	pmc_cfg_plla(PLLA_SETTINGS, PLL_LOCK_TIMEOUT);

	/* PCK = PLLA = 2 * MCK */
	pmc_cfg_mck(MCKR_SETTINGS, PLL_LOCK_TIMEOUT);

	/* Switch MCK on PLLA output */
	pmc_cfg_mck(MCKR_CSS_SETTINGS, PLL_LOCK_TIMEOUT);

	/* Configure PLLB */
	//pmc_cfg_pllb(PLLB_SETTINGS, PLL_LOCK_TIMEOUT);

	/* Enable External Reset */
	writel(((0xA5 << 24) | AT91C_RSTC_URSTEN), AT91C_BASE_RSTC + RSTC_RMR);

	/* Initialize matrix */
	at91_matrix_hw_init();

	/* Init timer */
	timer_init();

	/* Initialize dbgu */
	initialize_dbgu();

#ifdef CONFIG_SDRAM
	/* Initlialize sdram controller */
	sdramc_init();
#endif

#ifdef CONFIG_USER_HW_INIT
	hw_init_hook();
#endif

#if defined(CONFIG_NANDFLASH_RECOVERY) || defined(CONFIG_DATAFLASH_RECOVERY)
	/* Init the recovery buttons pins */
	recovery_buttons_hw_init();
#endif
}
예제 #3
0
void hw_init(void)
{
	/* Disable watchdog */
	at91_disable_wdt();

	/* At this stage the main oscillator
	 * is supposed to be enabled PCK = MCK = MOSC */
	writel(0x00, AT91C_BASE_PMC + PMC_PLLICPR);

	/* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */
	pmc_cfg_plla(PLLA_SETTINGS, PLL_LOCK_TIMEOUT);

	/* PCK = PLLA/2 = 3 * MCK */
	pmc_cfg_mck(BOARD_PRESCALER, PLL_LOCK_TIMEOUT);

	/* Switch MCK on PLLA output */
	pmc_cfg_mck(0x1302, PLL_LOCK_TIMEOUT);

	/* Enable External Reset */
	writel(AT91C_RSTC_KEY_UNLOCK | AT91C_RSTC_URSTEN, AT91C_BASE_RSTC + RSTC_RMR);

	/* Init timer */
	timer_init();

#ifdef CONFIG_SCLK
	slowclk_enable_osc32();
#endif

	/* Initialize dbgu */
	initialize_dbgu();

#ifdef CONFIG_DDR2
	/* Initialize DDRAM Controller */
	ddramc_init();
#endif

#ifdef CONFIG_USER_HW_INIT
	hw_init_hook();
#endif

#if defined(CONFIG_NANDFLASH_RECOVERY) || defined(CONFIG_DATAFLASH_RECOVERY)
	/* Init the recovery buttons pins */
	recovery_buttons_hw_init();
#endif
	/* do some special init */
	ek_special_hw_init();
}
예제 #4
0
void hw_init(void)
{
	/* Disable watchdog */
	at91_disable_wdt();

	/* At this stage the main oscillator is supposed to be enabled PCK = MCK = MOSC */
	writel(0x00, AT91C_BASE_PMC + PMC_PLLICPR);

	/* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */
	pmc_cfg_plla(PLLA_SETTINGS, PLL_LOCK_TIMEOUT);

	/* PCK = PLLA/2 = 3 * MCK */
	pmc_cfg_mck(BOARD_PRESCALER_MAIN_CLOCK, PLL_LOCK_TIMEOUT);

	/* Switch MCK on PLLA output */
	pmc_cfg_mck(BOARD_PRESCALER_PLLA, PLL_LOCK_TIMEOUT);

	/* Enable External Reset */
	writel(((0xA5 << 24) | AT91C_RSTC_URSTEN), AT91C_BASE_RSTC + RSTC_RMR);

	/* Init timer */
	timer_init();

#ifdef CONFIG_SCLK
	slowclk_enable_osc32();
#endif

	/* initialize the dbgu */
	initialize_dbgu();

#ifdef CONFIG_DDR2
	/* Initialize MPDDR Controller */
	ddramc_init();
#endif
	/* load one wire information */
	one_wire_hw_init();

#ifdef CONFIG_USER_HW_INIT
	hw_init_hook();
#endif
	HDMI_Qt1070_workaround();

#if defined(CONFIG_NANDFLASH_RECOVERY) || defined(CONFIG_DATAFLASH_RECOVERY)
	/* Init the recovery buttons pins */
	recovery_buttons_hw_init();
#endif
}
예제 #5
0
void hw_init(void)
{
	/* Disable watchdog */
	at91_disable_wdt();

	/*
	 * At this stage the main oscillator is
	 * supposed to be enabled PCK = MCK = MOSC
	 */
	pmc_init_pll(0);

	/* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */
	pmc_cfg_plla(PLLA_SETTINGS);

	/* Switch PCK/MCK on Main clock output */
	pmc_cfg_mck(BOARD_PRESCALER_MAIN_CLOCK);

	/* Switch PCK/MCK on PLLA output */
	pmc_cfg_mck(BOARD_PRESCALER_PLLA);

	/* Enable External Reset */
	writel(AT91C_RSTC_KEY_UNLOCK | AT91C_RSTC_URSTEN, AT91C_BASE_RSTC + RSTC_RMR);

	/* Init timer */
	timer_init();

#ifdef CONFIG_SCLK
	slowclk_enable_osc32();
#endif

	/* Initialize dbgu */
	initialize_dbgu();

#ifdef CONFIG_DDR2
	/* Initialize DDRAM Controller */
	ddramc_init();
#endif
	/* one wire pin init */
	one_wire_hw_init();

#ifdef CONFIG_USER_HW_INIT
	hw_init_hook();
#endif
}
예제 #6
0
void hw_init(void)
{
	/* Disable watchdog */
	at91_disable_wdt();

	/* At this stage the main oscillator is
	 *supposed to be enabled PCK = MCK = MOSC
	 */
	writel(0x00, AT91C_BASE_PMC + PMC_PLLICPR);

	/* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */
	pmc_cfg_plla(PLLA_SETTINGS, PLL_LOCK_TIMEOUT);

	/* PCK = PLLA/2 = 3 * MCK */
	pmc_cfg_mck(BOARD_PRESCALER_MAIN_CLOCK, PLL_LOCK_TIMEOUT);

	/* Switch MCK on PLLA output */
	pmc_cfg_mck(BOARD_PRESCALER_PLLA, PLL_LOCK_TIMEOUT);

	/*Enable External Reset */
	writel(((0xA5 << 24) | AT91C_RSTC_URSTEN), AT91C_BASE_RSTC + RSTC_RMR);

	/* Init timer */
	timer_init();

#ifdef CONFIG_SCLK
	slowclk_enable_osc32();
#endif

	/* Initialize dbgu */
	initialize_dbgu();

#ifdef CONFIG_DDR2
	/* Initialize DDRAM Controller */
	ddramc_init();
#endif
	/* one wire pin init */
	one_wire_hw_init();

#ifdef CONFIG_USER_HW_INIT
	hw_init_hook();
#endif
}
예제 #7
0
void hw_init(void)
{
	/* Disable watchdog */
	at91_disable_wdt();

	/* Adjust waitstates to access internal flash */
	writel(AT91C_EEFC_FWS_6WS, AT91C_BASE_EEFC + EEFC_FMR);

	/*
	 * At this stage the main oscillator is supposed to be enabled
	 *  PCK = MCK = MOSC
	 */
	/* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */
	pmc_cfg_plla(PLLA_SETTINGS, PLL_LOCK_TIMEOUT);

	/* PCK = PLLA = 2 * MCK */
	pmc_cfg_mck(MCKR_SETTINGS, PLL_LOCK_TIMEOUT);

	/* Switch MCK on PLLA output */
	pmc_cfg_mck(MCKR_CSS_SETTINGS, PLL_LOCK_TIMEOUT);

	/* Configure PLLB */
	//pmc_cfg_pllb(PLLB_SETTINGS, PLL_LOCK_TIMEOUT);

	/* Enable External Reset */
	writel(AT91C_RSTC_KEY_UNLOCK | AT91C_RSTC_URSTEN, AT91C_BASE_RSTC + RSTC_RMR);

#ifdef CONFIG_DEBUG
	/* Initialize dbgu */
	initialize_dbgu();
#endif

#ifdef CONFIG_SDRAM
	/* Configure SDRAM Controller */
	sdramc_init();
#endif

#ifdef CONFIG_USER_HW_INIT
	hw_init_hook();
#endif
}
예제 #8
0
void hw_init(void)
{
	/* Disable watchdog */
	at91_disable_wdt();

	/* At this stage the main oscillator is supposed
	 * to be enabled PCK = MCK = MOSC
	 */

	/* Configure PLLA = MOSC * (PLL_MULA + 1) / PLL_DIVA */
	pmc_cfg_plla(PLLA_SETTINGS, PLL_LOCK_TIMEOUT);

	/* Initialize PLLA charge pump */
	/* not needed for SAMA5D4 */
	pmc_init_pll(0);

	/* Switch MCK on PLLA output */
	pmc_cfg_mck(BOARD_PRESCALER_PLLA, PLL_LOCK_TIMEOUT);

	/* Setup AHB 32-bit Matrix Divisor */
	pmc_cfg_h32mxdiv(BOARD_H32MX, PLL_LOCK_TIMEOUT);

	/* Enable External Reset */
	writel(AT91C_RSTC_KEY_UNLOCK | AT91C_RSTC_URSTEN,
					AT91C_BASE_RSTC + RSTC_RMR);

#if defined(CONFIG_ENTER_NWD)
	cpacr_init();

	/* Program the DACR to allow client access to *all* domains */
	dacr_swd_init();
#endif

#if defined(CONFIG_MATRIX)
	/* Initialize the matrix */
	matrix_init();
#endif

	/* initialize the dbgu */
	initialize_dbgu();

	/* Redirect all interrupts to non-secure AIC */
	redirect_interrupts_to_aic();

#if defined(CONFIG_MATRIX)
	matrix_read_slave_security();
	matrix_read_periperal_security();
#endif

	/* Init timer */
	timer_init();

#ifdef CONFIG_DDR2
	/* Initialize MPDDR Controller */
	ddramc_init();
#endif
	/* load one wire information */
	one_wire_hw_init();

	/* Reset HDMI SiI9022 */
	SiI9022_hw_reset();

	/* Disable software modem device's clock */
	at91_disable_smd_clock();

#ifdef CONFIG_TWI
	twi_init();
#endif

#ifdef CONFIG_ACT8865
	/* Set ACT8865 REG power saving mode */
	act8865_set_power_saving_mode();

	/* Set ACT8865 output voltage */
	sama5d4ek_act8865_set_reg_voltage();

	/* Dsiable ACT8865 I2C interface */
	if (act8865_workaround_disable_i2c())
		while (1)
			;
#endif

#ifdef CONFIG_PM_EXTERNAL_DEVICES
#ifdef CONFIG_HDMI
	SiI9022_enter_power_state_D3_Cold();
#endif
#ifdef CONFIG_WM8904
	wm8904_enter_low_power();
#endif
#ifdef CONFIG_MACB
	/* Make PHYs to power down mode */
	phys_enter_power_down();
#endif
#endif	/* #ifdef CONFIG_PM_EXTERNAL_DEVICES */

#ifdef CONFIG_USER_HW_INIT
	hw_init_hook();
#endif
}