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| author | Wolfgang Denk <wd@denx.de> | 2011-08-04 23:05:07 +0200 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-08-04 23:05:07 +0200 | 
| commit | fb6440ee9b110b759ef61fd80bbd0df1bbf0f37b (patch) | |
| tree | dbde38784fb8b48c7f9b14e70a947fab3a1f3bab /arch/arm/cpu/arm926ejs/at91/at91sam9263_devices.c | |
| parent | 01b0f50060923e89693bf155c677e4f665916b3f (diff) | |
| parent | b608b95753873a5073f550cca002c4bebf1a18f5 (diff) | |
| download | olio-uboot-2014.01-fb6440ee9b110b759ef61fd80bbd0df1bbf0f37b.tar.xz olio-uboot-2014.01-fb6440ee9b110b759ef61fd80bbd0df1bbf0f37b.zip | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm:
  drivers/rtc: add Marvell Integrated RTC
  Armada100: Add Board Support for Marvell GuruPlug-Display
  Armada100: MFP macro naming correction
  arm: auto gen asm-offsets.h for mb86r0x
  spear: fix build errors for spear3xx/spear600 platforms
  cosmetic: arm: lib/board.c: Coding Style cleanup
  ARM: versatile: fix board support
  SMDKV310: Enable device tree support
  SMDKV310: MMC_SPL: Fix building when using "make O="
  arm: a320: enable tagged list support
  arm: a320: fix multiline comment style
  ARMv7: u8500_href: Add missing header to fix compiler warning
  Removed unused define, CONFIG_ARMV7.
  avr32: add grasshopper (ICnova AP7000) board
  AT91/SPI: fix atmel_dataflash_spi.c to allow building without warnings
  MAKEALL: remove AT91 boards that are in boards.cfg
  AT91: Makes AT91SAM9263-EK build correctly against u-boot-atmel/master
  AT91: Makes AT91SAM9263 SoC build correctly against u-boot-atmel/master
  AT91: Board fix for AT91SAM9261-EK
  AT91: SoC fix at91sam9261_matrix.h
  AT91: Makes AT91SAM9RL-EK build correctly against u-boot-atmel/master
  AT91: Makes AT91SAM9RL SoC build correctly against u-boot-atmel/master
  AT91: change common at91sam9261 files to compile with new scheme
  AT91: fix mistake in at91sam9260_devices.c(spi1_hw_init)
  a/a/c/arm920t/at91/reset.c: drop obsolete CONFIG_AT91RM9200_USART
  README: fix arm920t/at91 path
  net/eth.c: drop obsolete at91rm9200 support
  README.at91-soc: remove AT91(RM9200) joining notice
  a/a/c/arm920t/cpu.c: remove CONFIG_AT91_LEGACY warning
  MAKEALL: remove obsolete at91rm9200 soc
  ARM: remove obsolete at91rm9200
  omap4: clock init support for omap4460
  omap4: support TPS programming
  omap: reuse omap3 gpio support in omap4
  omap4: sdram init changes for omap4460
  omap4: add omap4460 revision detection
  mkimage: Add OMAP boot image support
  omap: add MMC and FAT support to SPL
  omap: add basic SPL support
  armv7: start.S: fixes and enhancements for SPL
  omap4: automatic sdram detection
  omap4: calculate EMIF register values
  omap4: add sdram init support
  omap4: add clock support
  omap4: add OMAP4430 revision check
  omap4: cleanup pin mux data
  omap4: utility function to identify the context of hw init
  DA8xx: fix LPSC constants
  DA8xx: switch an enum to defines for consistency
  DA8xx: add MMC/SD controller addresses
  DaVinci EMAC: declare function for all DA8xx CPUs
  DA8xx: add generic GPIO driver
  DaVinci: rename gpio_defs.h to gpio.h
  omap3evm: eth: Include functions only when necessary
  omap3evm: Update ethernet reset sequence for Rev.G board
  omap3evm: eth: split function setup_net_chip
  omap3: Include array definition only when it is used
  omap730p2: fix build breaks
  omap2420h4: fix build breaks
  omap1610inn: fix build breaks
  omap1510inn: fix build breaks
  omap5912osk: fix build breaks
  omap1610h2: fix build breaks
Diffstat (limited to 'arch/arm/cpu/arm926ejs/at91/at91sam9263_devices.c')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/at91sam9263_devices.c | 38 | 
1 files changed, 26 insertions, 12 deletions
| diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9263_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9263_devices.c index 15e880acc..6eb0f305b 100644 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9263_devices.c +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9263_devices.c @@ -28,17 +28,31 @@  #include <common.h>  #include <asm/io.h> -#include <asm/arch/hardware.h>  #include <asm/arch/at91_common.h>  #include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_pio.h> +#include <asm/arch/gpio.h> + +/* + * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all + * peripheral pins. Good to have if hardware is soldered optionally + * or in case of SPI no slave is selected. Avoid lines to float + * needlessly. Use a short local PUP define. + * + * Due to errata "TXD floats when CTS is inactive" pullups are always + * on for TXD pins. + */ +#ifdef CONFIG_AT91_GPIO_PULLUP +# define PUP CONFIG_AT91_GPIO_PULLUP +#else +# define PUP 0 +#endif  void at91_serial0_hw_init(void)  {  	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;  	at91_set_a_periph(AT91_PIO_PORTA, 26, 1);		/* TXD0 */ -	at91_set_a_periph(AT91_PIO_PORTA, 27, 0);		/* RXD0 */ +	at91_set_a_periph(AT91_PIO_PORTA, 27, PUP);		/* RXD0 */  	writel(1 << ATMEL_ID_USART0, &pmc->pcer);  } @@ -47,7 +61,7 @@ void at91_serial1_hw_init(void)  	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;  	at91_set_a_periph(AT91_PIO_PORTD, 0, 1);		/* TXD1 */ -	at91_set_a_periph(AT91_PIO_PORTD, 1, 0);		/* RXD1 */ +	at91_set_a_periph(AT91_PIO_PORTD, 1, PUP);		/* RXD1 */  	writel(1 << ATMEL_ID_USART1, &pmc->pcer);  } @@ -56,7 +70,7 @@ void at91_serial2_hw_init(void)  	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC;  	at91_set_a_periph(AT91_PIO_PORTD, 2, 1);		/* TXD2 */ -	at91_set_a_periph(AT91_PIO_PORTD, 3, 0);		/* RXD2 */ +	at91_set_a_periph(AT91_PIO_PORTD, 3, PUP);		/* RXD2 */  	writel(1 << ATMEL_ID_USART2, &pmc->pcer);  } @@ -64,7 +78,7 @@ void at91_seriald_hw_init(void)  {  	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC; -	at91_set_a_periph(AT91_PIO_PORTC, 30, 0);		/* DRXD */ +	at91_set_a_periph(AT91_PIO_PORTC, 30, PUP);		/* DRXD */  	at91_set_a_periph(AT91_PIO_PORTC, 31, 1);		/* DTXD */  	writel(1 << ATMEL_ID_SYS, &pmc->pcer);  } @@ -74,9 +88,9 @@ void at91_spi0_hw_init(unsigned long cs_mask)  {  	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC; -	at91_set_b_periph(AT91_PIO_PORTA, 0, 0);	/* SPI0_MISO */ -	at91_set_b_periph(AT91_PIO_PORTA, 1, 0);	/* SPI0_MOSI */ -	at91_set_b_periph(AT91_PIO_PORTA, 2, 0);	/* SPI0_SPCK */ +	at91_set_b_periph(AT91_PIO_PORTA, 0, PUP);	/* SPI0_MISO */ +	at91_set_b_periph(AT91_PIO_PORTA, 1, PUP);	/* SPI0_MOSI */ +	at91_set_b_periph(AT91_PIO_PORTA, 2, PUP);	/* SPI0_SPCK */  	/* Enable clock */  	writel(1 << ATMEL_ID_SPI0, &pmc->pcer); @@ -111,9 +125,9 @@ void at91_spi1_hw_init(unsigned long cs_mask)  {  	at91_pmc_t	*pmc	= (at91_pmc_t *) ATMEL_BASE_PMC; -	at91_set_a_periph(AT91_PIO_PORTB, 12, 0);	/* SPI1_MISO */ -	at91_set_a_periph(AT91_PIO_PORTB, 13, 0);	/* SPI1_MOSI */ -	at91_set_a_periph(AT91_PIO_PORTB, 14, 0);	/* SPI1_SPCK */ +	at91_set_a_periph(AT91_PIO_PORTB, 12, PUP);	/* SPI1_MISO */ +	at91_set_a_periph(AT91_PIO_PORTB, 13, PUP);	/* SPI1_MOSI */ +	at91_set_a_periph(AT91_PIO_PORTB, 14, PUP);	/* SPI1_SPCK */  	/* Enable clock */  	writel(1 << ATMEL_ID_SPI1, &pmc->pcer); |