diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/at91')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c | 177 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/clock.c | 4 | 
4 files changed, 184 insertions, 2 deletions
| diff --git a/arch/arm/cpu/arm926ejs/at91/Makefile b/arch/arm/cpu/arm926ejs/at91/Makefile index 346e58fae..c4408f6c9 100644 --- a/arch/arm/cpu/arm926ejs/at91/Makefile +++ b/arch/arm/cpu/arm926ejs/at91/Makefile @@ -35,6 +35,7 @@ COBJS-$(CONFIG_AT91SAM9263)	+= at91sam9263_devices.o  COBJS-$(CONFIG_AT91SAM9RL)	+= at91sam9rl_devices.o  COBJS-$(CONFIG_AT91SAM9M10G45)	+= at91sam9m10g45_devices.o  COBJS-$(CONFIG_AT91SAM9G45)	+= at91sam9m10g45_devices.o +COBJS-$(CONFIG_AT91SAM9N12)	+= at91sam9n12_devices.o  COBJS-$(CONFIG_AT91SAM9X5)	+= at91sam9x5_devices.o  COBJS-$(CONFIG_AT91_EFLASH)	+= eflash.o  COBJS-$(CONFIG_AT91_LED)	+= led.o diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c index 19ec615c7..5e995e1d0 100644 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c @@ -203,6 +203,10 @@ void at91_macb_hw_init(void)  #if defined(CONFIG_GENERIC_ATMEL_MCI)  void at91_mci_hw_init(void)  { +	/* Enable mci clock */ +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; +	writel(1 << ATMEL_ID_MCI, &pmc->pcer); +  	at91_set_a_periph(AT91_PIO_PORTA, 8, 1);	/* MCCK */  #if defined(CONFIG_ATMEL_MCI_PORTB)  	at91_set_b_periph(AT91_PIO_PORTA, 1, 1);	/* MCCDB */ diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c new file mode 100644 index 000000000..6eaeac0fc --- /dev/null +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c @@ -0,0 +1,177 @@ +/* + * (C) Copyright 2013 Atmel Corporation + * Josh Wu <josh.wu@atmel.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_pio.h> + +unsigned int has_lcdc() +{ +	return 1; +} + +void at91_serial0_hw_init(void) +{ +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + +	at91_set_a_periph(AT91_PIO_PORTA, 0, 1);		/* TXD0 */ +	at91_set_a_periph(AT91_PIO_PORTA, 1, 0);		/* RXD0 */ +	writel(1 << ATMEL_ID_USART0, &pmc->pcer); +} + +void at91_serial1_hw_init(void) +{ +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + +	at91_set_a_periph(AT91_PIO_PORTA, 5, 1);		/* TXD1 */ +	at91_set_a_periph(AT91_PIO_PORTA, 6, 0);		/* RXD1 */ +	writel(1 << ATMEL_ID_USART1, &pmc->pcer); +} + +void at91_serial2_hw_init(void) +{ +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + +	at91_set_a_periph(AT91_PIO_PORTA, 7, 1);		/* TXD2 */ +	at91_set_a_periph(AT91_PIO_PORTA, 8, 0);		/* RXD2 */ +	writel(1 << ATMEL_ID_USART2, &pmc->pcer); +} + +void at91_serial3_hw_init(void) +{ +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + +	at91_set_b_periph(AT91_PIO_PORTC, 22, 1);		/* TXD3 */ +	at91_set_b_periph(AT91_PIO_PORTC, 23, 0);		/* RXD3 */ +	writel(1 << ATMEL_ID_USART3, &pmc->pcer); +} + +void at91_seriald_hw_init(void) +{ +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + +	at91_set_a_periph(AT91_PIO_PORTA, 10, 1);		/* DTXD */ +	at91_set_a_periph(AT91_PIO_PORTA, 9, 0);		/* DRXD */ +	writel(1 << ATMEL_ID_SYS, &pmc->pcer); +} + +#ifdef CONFIG_ATMEL_SPI +void at91_spi0_hw_init(unsigned long cs_mask) +{ +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + +	at91_set_a_periph(AT91_PIO_PORTA, 11, 0);	/* SPI0_MISO */ +	at91_set_a_periph(AT91_PIO_PORTA, 12, 0);	/* SPI0_MOSI */ +	at91_set_a_periph(AT91_PIO_PORTA, 13, 0);	/* SPI0_SPCK */ + +	/* Enable clock */ +	writel(1 << ATMEL_ID_SPI0, &pmc->pcer); + +	if (cs_mask & (1 << 0)) +		at91_set_pio_output(AT91_PIO_PORTA, 14, 1); +	if (cs_mask & (1 << 1)) +		at91_set_pio_output(AT91_PIO_PORTA, 7, 1); +	if (cs_mask & (1 << 2)) +		at91_set_pio_output(AT91_PIO_PORTA, 1, 1); +	if (cs_mask & (1 << 3)) +		at91_set_pio_output(AT91_PIO_PORTB, 3, 1); +} + +void at91_spi1_hw_init(unsigned long cs_mask) +{ +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + +	at91_set_b_periph(AT91_PIO_PORTA, 21, 0);	/* SPI1_MISO */ +	at91_set_b_periph(AT91_PIO_PORTA, 22, 0);	/* SPI1_MOSI */ +	at91_set_b_periph(AT91_PIO_PORTA, 23, 0);	/* SPI1_SPCK */ + +	/* Enable clock */ +	writel(1 << ATMEL_ID_SPI1, &pmc->pcer); + +	if (cs_mask & (1 << 0)) +		at91_set_pio_output(AT91_PIO_PORTA, 8, 1); +	if (cs_mask & (1 << 1)) +		at91_set_pio_output(AT91_PIO_PORTA, 0, 1); +	if (cs_mask & (1 << 2)) +		at91_set_pio_output(AT91_PIO_PORTA, 31, 1); +	if (cs_mask & (1 << 3)) +		at91_set_pio_output(AT91_PIO_PORTA, 30, 1); +} +#endif + +void at91_mci_hw_init(void) +{ +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + +	at91_set_a_periph(AT91_PIO_PORTA, 17, 0);	/* MCCK */ +	at91_set_a_periph(AT91_PIO_PORTA, 16, 0);	/* MCCDA */ +	at91_set_a_periph(AT91_PIO_PORTA, 15, 0);	/* MCDA0 */ +	at91_set_a_periph(AT91_PIO_PORTA, 18, 0);	/* MCDA1 */ +	at91_set_a_periph(AT91_PIO_PORTA, 19, 0);	/* MCDA2 */ +	at91_set_a_periph(AT91_PIO_PORTA, 20, 0);	/* MCDA3 */ + +	writel(1 << ATMEL_ID_HSMCI0, &pmc->pcer); +} + +#ifdef CONFIG_LCD +void at91_lcd_hw_init(void) +{ +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + +	at91_set_a_periph(AT91_PIO_PORTC, 24, 0);	/* LCDDPWR */ +	at91_set_a_periph(AT91_PIO_PORTC, 26, 0);	/* LCDVSYNC */ +	at91_set_a_periph(AT91_PIO_PORTC, 27, 0);	/* LCDHSYNC */ +	at91_set_a_periph(AT91_PIO_PORTC, 28, 0);	/* LCDDOTCK */ +	at91_set_a_periph(AT91_PIO_PORTC, 29, 0);	/* LCDDEN */ +	at91_set_a_periph(AT91_PIO_PORTC, 30, 0);	/* LCDDOTCK */ + +	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* LCDD0 */ +	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDD1 */ +	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDD2 */ +	at91_set_a_periph(AT91_PIO_PORTC, 3, 0);	/* LCDD3 */ +	at91_set_a_periph(AT91_PIO_PORTC, 4, 0);	/* LCDD4 */ +	at91_set_a_periph(AT91_PIO_PORTC, 5, 0);	/* LCDD5 */ +	at91_set_a_periph(AT91_PIO_PORTC, 6, 0);	/* LCDD6 */ +	at91_set_a_periph(AT91_PIO_PORTC, 7, 0);	/* LCDD7 */ +	at91_set_a_periph(AT91_PIO_PORTC, 8, 0);	/* LCDD8 */ +	at91_set_a_periph(AT91_PIO_PORTC, 9, 0);	/* LCDD9 */ +	at91_set_a_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD10 */ +	at91_set_a_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD11 */ +	at91_set_a_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD12 */ +	at91_set_a_periph(AT91_PIO_PORTC, 13, 0);	/* LCDD13 */ +	at91_set_a_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD14 */ +	at91_set_a_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD15 */ +	at91_set_a_periph(AT91_PIO_PORTC, 16, 0);	/* LCDD16 */ +	at91_set_a_periph(AT91_PIO_PORTC, 17, 0);	/* LCDD17 */ +	at91_set_a_periph(AT91_PIO_PORTC, 18, 0);	/* LCDD18 */ +	at91_set_a_periph(AT91_PIO_PORTC, 19, 0);	/* LCDD19 */ +	at91_set_a_periph(AT91_PIO_PORTC, 20, 0);	/* LCDD20 */ +	at91_set_a_periph(AT91_PIO_PORTC, 21, 0);	/* LCDD21 */ +	at91_set_a_periph(AT91_PIO_PORTC, 22, 0);	/* LCDD22 */ +	at91_set_a_periph(AT91_PIO_PORTC, 23, 0);	/* LCDD23 */ + +	writel(1 << ATMEL_ID_LCDC, &pmc->pcer); +} +#endif diff --git a/arch/arm/cpu/arm926ejs/at91/clock.c b/arch/arm/cpu/arm926ejs/at91/clock.c index f825388ae..5b4923f3b 100644 --- a/arch/arm/cpu/arm926ejs/at91/clock.c +++ b/arch/arm/cpu/arm926ejs/at91/clock.c @@ -156,7 +156,7 @@ int at91_clock_init(unsigned long main_clock)  	 */  	mckr = readl(&pmc->mckr);  #if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \ -		|| defined(CONFIG_AT91SAM9X5) +		|| defined(CONFIG_AT91SAM9N12) || defined(CONFIG_AT91SAM9X5)  	/* plla divisor by 2 */  	gd->arch.plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12));  #endif @@ -171,7 +171,7 @@ int at91_clock_init(unsigned long main_clock)  	if (mckr & AT91_PMC_MCKR_MDIV_MASK)  		freq /= 2;			/* processor clock division */  #elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \ -		|| defined(CONFIG_AT91SAM9X5) +		|| defined(CONFIG_AT91SAM9N12) || defined(CONFIG_AT91SAM9X5)  	/* mdiv <==> divisor  	 *  0   <==>   1  	 *  1   <==>   2 |