From 9e336903891f1c28be04f0b5503ca54939b2976a Mon Sep 17 00:00:00 2001 From: "Wu, Josh" Date: Tue, 16 Apr 2013 23:42:44 +0000 Subject: arm: at91: add at91sam9n12ek board support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add support for following features: - nand boot, with PMECC 2bit ECC for 512 bytes sector - SPI flash boot - SD card boot - LCD support Signed-off-by: Josh Wu [fix -Wimplicit-function-declaration for at91_lcd_hw_init()] Signed-off-by: Andreas Bießmann --- arch/arm/cpu/arm926ejs/at91/Makefile | 1 + arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c | 177 ++++++++++++++++++++++ arch/arm/cpu/arm926ejs/at91/clock.c | 4 +- 3 files changed, 180 insertions(+), 2 deletions(-) create mode 100644 arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c (limited to 'arch/arm/cpu') diff --git a/arch/arm/cpu/arm926ejs/at91/Makefile b/arch/arm/cpu/arm926ejs/at91/Makefile index 346e58faee..c4408f6c9d 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/at91sam9n12_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c new file mode 100644 index 0000000000..6eaeac0fc2 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c @@ -0,0 +1,177 @@ +/* + * (C) Copyright 2013 Atmel Corporation + * Josh Wu + * + * 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 +#include +#include +#include +#include + +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 f825388ae9..5b4923f3bf 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 -- cgit v1.2.1