diff options
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/arm920t/at91rm9200/Makefile | 2 | ||||
| -rw-r--r-- | cpu/arm920t/at91rm9200/interrupts.c | 27 | ||||
| -rw-r--r-- | cpu/arm920t/at91rm9200/serial.c | 113 | ||||
| -rw-r--r-- | cpu/arm920t/start.S | 4 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91/.gitignore | 5 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91/Makefile | 2 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91/at91cap9_spi.c | 37 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91/at91sam9260_spi.c | 36 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91/at91sam9261_spi.c | 36 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91/at91sam9263_spi.c | 36 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91/at91sam9rl_spi.c | 18 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91/spi.c | 157 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91/usb.c | 80 |
13 files changed, 150 insertions, 403 deletions
diff --git a/cpu/arm920t/at91rm9200/Makefile b/cpu/arm920t/at91rm9200/Makefile index ab4c52c..67f17fa 100644 --- a/cpu/arm920t/at91rm9200/Makefile +++ b/cpu/arm920t/at91rm9200/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).a COBJS = bcm5221.o dm9161.o ether.o i2c.o interrupts.o \ - lxt972.o serial.o usb.o spi.o + lxt972.o usb.o spi.o SOBJS = lowlevel_init.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/cpu/arm920t/at91rm9200/interrupts.c b/cpu/arm920t/at91rm9200/interrupts.c index 5f0703c..cff4916 100644 --- a/cpu/arm920t/at91rm9200/interrupts.c +++ b/cpu/arm920t/at91rm9200/interrupts.c @@ -45,6 +45,8 @@ AT91PS_TC tmr; static ulong timestamp; static ulong lastinc; +void board_reset(void) __attribute__((__weak__)); + int interrupt_init (void) { tmr = AT91C_BASE_TC0; @@ -166,29 +168,14 @@ ulong get_tbclk (void) void reset_cpu (ulong ignored) { -#ifdef CONFIG_DBGU - AT91PS_USART us = (AT91PS_USART) AT91C_BASE_DBGU; -#endif -#ifdef CONFIG_USART0 - AT91PS_USART us = AT91C_BASE_US0; -#endif -#ifdef CONFIG_USART1 - AT91PS_USART us = AT91C_BASE_US1; -#endif -#ifdef CONFIG_AT91RM9200DK - AT91PS_PIO pio = AT91C_BASE_PIOA; -#endif - +#if defined(CONFIG_AT91RM9200_USART) /*shutdown the console to avoid strange chars during reset */ - us->US_CR = (AT91C_US_RSTRX | AT91C_US_RSTTX); - -#ifdef CONFIG_AT91RM9200DK - /* Clear PA19 to trigger the hard reset */ - pio->PIO_CODR = 0x00080000; - pio->PIO_OER = 0x00080000; - pio->PIO_PER = 0x00080000; + serial_exit(); #endif + if (board_reset) + board_reset(); + /* this is the way Linux does it */ /* FIXME: diff --git a/cpu/arm920t/at91rm9200/serial.c b/cpu/arm920t/at91rm9200/serial.c deleted file mode 100644 index d563445..0000000 --- a/cpu/arm920t/at91rm9200/serial.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * (C) Copyright 2002 - * Lineo, Inc <www.lineo.com> - * Bernhard Kuhn <bkuhn@lineo.com> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * 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/hardware.h> - -DECLARE_GLOBAL_DATA_PTR; - -#if !defined(CONFIG_DBGU) && !defined(CONFIG_USART0) && !defined(CONFIG_USART1) -#error must define one of CONFIG_DBGU or CONFIG_USART0 or CONFIG_USART1 -#endif - -/* ggi thunder */ -#ifdef CONFIG_DBGU -AT91PS_USART us = (AT91PS_USART) AT91C_BASE_DBGU; -#endif -#ifdef CONFIG_USART0 -AT91PS_USART us = (AT91PS_USART) AT91C_BASE_US0; -#endif -#ifdef CONFIG_USART1 -AT91PS_USART us = (AT91PS_USART) AT91C_BASE_US1; -#endif - -void serial_setbrg (void) -{ - int baudrate; - - if ((baudrate = gd->baudrate) <= 0) - baudrate = CONFIG_BAUDRATE; - /* MASTER_CLOCK/(16 * baudrate) */ - us->US_BRGR = (AT91C_MASTER_CLOCK >> 4) / (unsigned)baudrate; -} - -int serial_init (void) -{ - /* make any port initializations specific to this port */ -#ifdef CONFIG_DBGU - *AT91C_PIOA_PDR = AT91C_PA31_DTXD | AT91C_PA30_DRXD; /* PA 31 & 30 */ - *AT91C_PMC_PCER = 1 << AT91C_ID_SYS; /* enable clock */ -#endif -#ifdef CONFIG_USART0 - *AT91C_PIOA_PDR = AT91C_PA17_TXD0 | AT91C_PA18_RXD0; - *AT91C_PMC_PCER |= 1 << AT91C_ID_USART0; /* enable clock */ -#endif -#ifdef CONFIG_USART1 - *AT91C_PIOB_PDR = AT91C_PB21_TXD1 | AT91C_PB20_RXD1; - *AT91C_PMC_PCER |= 1 << AT91C_ID_USART1; /* enable clock */ -#endif - serial_setbrg (); - - us->US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX; - us->US_CR = AT91C_US_RXEN | AT91C_US_TXEN; - us->US_MR = - (AT91C_US_CLKS_CLOCK | AT91C_US_CHRL_8_BITS | - AT91C_US_PAR_NONE | AT91C_US_NBSTOP_1_BIT); - us->US_IMR = ~0ul; - return (0); -} - -void serial_putc (const char c) -{ - if (c == '\n') - serial_putc ('\r'); - while ((us->US_CSR & AT91C_US_TXRDY) == 0); - us->US_THR = c; -} - -void serial_puts (const char *s) -{ - while (*s) { - serial_putc (*s++); - } -} - -int serial_getc (void) -{ - while ((us->US_CSR & AT91C_US_RXRDY) == 0); - return us->US_RHR; -} - -int serial_tstc (void) -{ - return ((us->US_CSR & AT91C_US_RXRDY) == AT91C_US_RXRDY); -} diff --git a/cpu/arm920t/start.S b/cpu/arm920t/start.S index fbcfe6d..f610e9f 100644 --- a/cpu/arm920t/start.S +++ b/cpu/arm920t/start.S @@ -258,11 +258,9 @@ cpu_init_crit: * find a lowlevel_init.S in your board directory. */ mov ip, lr -#if defined(CONFIG_AT91RM9200EK) -#else bl lowlevel_init -#endif + mov lr, ip mov pc, lr #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ diff --git a/cpu/arm926ejs/at91/.gitignore b/cpu/arm926ejs/at91/.gitignore new file mode 100644 index 0000000..8a8c3b8 --- /dev/null +++ b/cpu/arm926ejs/at91/.gitignore @@ -0,0 +1,5 @@ +# +# Generated files +# + +/u-boot.lds diff --git a/cpu/arm926ejs/at91/Makefile b/cpu/arm926ejs/at91/Makefile index f9e739c..34e7461 100644 --- a/cpu/arm926ejs/at91/Makefile +++ b/cpu/arm926ejs/at91/Makefile @@ -55,9 +55,7 @@ COBJS-y += at91sam9rl_serial.o COBJS-$(CONFIG_HAS_DATAFLASH) += at91sam9rl_spi.o endif COBJS-$(CONFIG_AT91_LED) += led.o -COBJS-$(CONFIG_HAS_DATAFLASH) += spi.o COBJS-y += timer.o -COBJS-y += usb.o SOBJS = lowlevel_init.o SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) diff --git a/cpu/arm926ejs/at91/at91cap9_spi.c b/cpu/arm926ejs/at91/at91cap9_spi.c index 356a804..cd8143b 100644 --- a/cpu/arm926ejs/at91/at91cap9_spi.c +++ b/cpu/arm926ejs/at91/at91cap9_spi.c @@ -38,15 +38,27 @@ void at91_spi0_hw_init(unsigned long cs_mask) at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_SPI0); if (cs_mask & (1 << 0)) { - at91_set_gpio_output(AT91_PIN_PA5, 1); + at91_set_B_periph(AT91_PIN_PA5, 1); } if (cs_mask & (1 << 1)) { - at91_set_gpio_output(AT91_PIN_PA3, 1); + at91_set_B_periph(AT91_PIN_PA3, 1); } if (cs_mask & (1 << 2)) { - at91_set_gpio_output(AT91_PIN_PD0, 1); + at91_set_B_periph(AT91_PIN_PD0, 1); } if (cs_mask & (1 << 3)) { + at91_set_B_periph(AT91_PIN_PD1, 1); + } + if (cs_mask & (1 << 4)) { + at91_set_gpio_output(AT91_PIN_PA5, 1); + } + if (cs_mask & (1 << 5)) { + at91_set_gpio_output(AT91_PIN_PA3, 1); + } + if (cs_mask & (1 << 6)) { + at91_set_gpio_output(AT91_PIN_PD0, 1); + } + if (cs_mask & (1 << 7)) { at91_set_gpio_output(AT91_PIN_PD1, 1); } } @@ -61,15 +73,28 @@ void at91_spi1_hw_init(unsigned long cs_mask) at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_SPI1); if (cs_mask & (1 << 0)) { - at91_set_gpio_output(AT91_PIN_PB15, 1); + at91_set_A_periph(AT91_PIN_PB15, 1); } if (cs_mask & (1 << 1)) { - at91_set_gpio_output(AT91_PIN_PB16, 1); + at91_set_A_periph(AT91_PIN_PB16, 1); } if (cs_mask & (1 << 2)) { - at91_set_gpio_output(AT91_PIN_PB17, 1); + at91_set_A_periph(AT91_PIN_PB17, 1); } if (cs_mask & (1 << 3)) { + at91_set_A_periph(AT91_PIN_PB18, 1); + } + if (cs_mask & (1 << 4)) { + at91_set_gpio_output(AT91_PIN_PB15, 1); + } + if (cs_mask & (1 << 5)) { + at91_set_gpio_output(AT91_PIN_PB16, 1); + } + if (cs_mask & (1 << 6)) { + at91_set_gpio_output(AT91_PIN_PB17, 1); + } + if (cs_mask & (1 << 7)) { at91_set_gpio_output(AT91_PIN_PB18, 1); } + } diff --git a/cpu/arm926ejs/at91/at91sam9260_spi.c b/cpu/arm926ejs/at91/at91sam9260_spi.c index 0105072..d6fd80e 100644 --- a/cpu/arm926ejs/at91/at91sam9260_spi.c +++ b/cpu/arm926ejs/at91/at91sam9260_spi.c @@ -38,15 +38,27 @@ void at91_spi0_hw_init(unsigned long cs_mask) at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_SPI0); if (cs_mask & (1 << 0)) { - at91_set_gpio_output(AT91_PIN_PA3, 1); + at91_set_A_periph(AT91_PIN_PA3, 1); } if (cs_mask & (1 << 1)) { - at91_set_gpio_output(AT91_PIN_PC11, 1); + at91_set_B_periph(AT91_PIN_PC11, 1); } if (cs_mask & (1 << 2)) { - at91_set_gpio_output(AT91_PIN_PC16, 1); + at91_set_B_periph(AT91_PIN_PC16, 1); } if (cs_mask & (1 << 3)) { + at91_set_B_periph(AT91_PIN_PC17, 1); + } + if (cs_mask & (1 << 4)) { + at91_set_gpio_output(AT91_PIN_PA3, 1); + } + if (cs_mask & (1 << 5)) { + at91_set_gpio_output(AT91_PIN_PC11, 1); + } + if (cs_mask & (1 << 6)) { + at91_set_gpio_output(AT91_PIN_PC16, 1); + } + if (cs_mask & (1 << 7)) { at91_set_gpio_output(AT91_PIN_PC17, 1); } } @@ -61,15 +73,27 @@ void at91_spi1_hw_init(unsigned long cs_mask) at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_SPI1); if (cs_mask & (1 << 0)) { - at91_set_gpio_output(AT91_PIN_PB3, 1); + at91_set_A_periph(AT91_PIN_PB3, 1); } if (cs_mask & (1 << 1)) { - at91_set_gpio_output(AT91_PIN_PC5, 1); + at91_set_B_periph(AT91_PIN_PC5, 1); } if (cs_mask & (1 << 2)) { - at91_set_gpio_output(AT91_PIN_PC4, 1); + at91_set_B_periph(AT91_PIN_PC4, 1); } if (cs_mask & (1 << 3)) { at91_set_gpio_output(AT91_PIN_PC3, 1); } + if (cs_mask & (1 << 4)) { + at91_set_gpio_output(AT91_PIN_PB3, 1); + } + if (cs_mask & (1 << 5)) { + at91_set_gpio_output(AT91_PIN_PC5, 1); + } + if (cs_mask & (1 << 6)) { + at91_set_gpio_output(AT91_PIN_PC4, 1); + } + if (cs_mask & (1 << 7)) { + at91_set_gpio_output(AT91_PIN_PC3, 1); + } } diff --git a/cpu/arm926ejs/at91/at91sam9261_spi.c b/cpu/arm926ejs/at91/at91sam9261_spi.c index f70320d..9383dc6 100644 --- a/cpu/arm926ejs/at91/at91sam9261_spi.c +++ b/cpu/arm926ejs/at91/at91sam9261_spi.c @@ -38,15 +38,27 @@ void at91_spi0_hw_init(unsigned long cs_mask) at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_SPI0); if (cs_mask & (1 << 0)) { - at91_set_gpio_output(AT91_PIN_PA3, 1); + at91_set_A_periph(AT91_PIN_PA3, 1); } if (cs_mask & (1 << 1)) { - at91_set_gpio_output(AT91_PIN_PA4, 1); + at91_set_A_periph(AT91_PIN_PA4, 1); } if (cs_mask & (1 << 2)) { - at91_set_gpio_output(AT91_PIN_PA5, 1); + at91_set_A_periph(AT91_PIN_PA5, 1); } if (cs_mask & (1 << 3)) { + at91_set_A_periph(AT91_PIN_PA6, 1); + } + if (cs_mask & (1 << 4)) { + at91_set_gpio_output(AT91_PIN_PA3, 1); + } + if (cs_mask & (1 << 5)) { + at91_set_gpio_output(AT91_PIN_PA4, 1); + } + if (cs_mask & (1 << 6)) { + at91_set_gpio_output(AT91_PIN_PA5, 1); + } + if (cs_mask & (1 << 7)) { at91_set_gpio_output(AT91_PIN_PA6, 1); } } @@ -61,15 +73,27 @@ void at91_spi1_hw_init(unsigned long cs_mask) at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_SPI1); if (cs_mask & (1 << 0)) { - at91_set_gpio_output(AT91_PIN_PB28, 1); + at91_set_A_periph(AT91_PIN_PB28, 1); } if (cs_mask & (1 << 1)) { - at91_set_gpio_output(AT91_PIN_PA24, 1); + at91_set_B_periph(AT91_PIN_PA24, 1); } if (cs_mask & (1 << 2)) { - at91_set_gpio_output(AT91_PIN_PA25, 1); + at91_set_B_periph(AT91_PIN_PA25, 1); } if (cs_mask & (1 << 3)) { + at91_set_A_periph(AT91_PIN_PA26, 1); + } + if (cs_mask & (1 << 4)) { + at91_set_gpio_output(AT91_PIN_PB28, 1); + } + if (cs_mask & (1 << 5)) { + at91_set_gpio_output(AT91_PIN_PA24, 1); + } + if (cs_mask & (1 << 6)) { + at91_set_gpio_output(AT91_PIN_PA25, 1); + } + if (cs_mask & (1 << 7)) { at91_set_gpio_output(AT91_PIN_PA26, 1); } } diff --git a/cpu/arm926ejs/at91/at91sam9263_spi.c b/cpu/arm926ejs/at91/at91sam9263_spi.c index 1dda04c..e52dd61 100644 --- a/cpu/arm926ejs/at91/at91sam9263_spi.c +++ b/cpu/arm926ejs/at91/at91sam9263_spi.c @@ -38,15 +38,27 @@ void at91_spi0_hw_init(unsigned long cs_mask) at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_SPI0); if (cs_mask & (1 << 0)) { - at91_set_gpio_output(AT91_PIN_PA5, 1); + at91_set_B_periph(AT91_PIN_PA5, 1); } if (cs_mask & (1 << 1)) { - at91_set_gpio_output(AT91_PIN_PA3, 1); + at91_set_B_periph(AT91_PIN_PA3, 1); } if (cs_mask & (1 << 2)) { - at91_set_gpio_output(AT91_PIN_PA4, 1); + at91_set_B_periph(AT91_PIN_PA4, 1); } if (cs_mask & (1 << 3)) { + at91_set_B_periph(AT91_PIN_PB11, 1); + } + if (cs_mask & (1 << 4)) { + at91_set_gpio_output(AT91_PIN_PA5, 1); + } + if (cs_mask & (1 << 5)) { + at91_set_gpio_output(AT91_PIN_PA3, 1); + } + if (cs_mask & (1 << 6)) { + at91_set_gpio_output(AT91_PIN_PA4, 1); + } + if (cs_mask & (1 << 7)) { at91_set_gpio_output(AT91_PIN_PB11, 1); } } @@ -61,15 +73,27 @@ void at91_spi1_hw_init(unsigned long cs_mask) at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_SPI1); if (cs_mask & (1 << 0)) { - at91_set_gpio_output(AT91_PIN_PB15, 1); + at91_set_A_periph(AT91_PIN_PB15, 1); } if (cs_mask & (1 << 1)) { - at91_set_gpio_output(AT91_PIN_PB16, 1); + at91_set_A_periph(AT91_PIN_PB16, 1); } if (cs_mask & (1 << 2)) { - at91_set_gpio_output(AT91_PIN_PB17, 1); + at91_set_A_periph(AT91_PIN_PB17, 1); } if (cs_mask & (1 << 3)) { + at91_set_A_periph(AT91_PIN_PB18, 1); + } + if (cs_mask & (1 << 4)) { + at91_set_gpio_output(AT91_PIN_PB15, 1); + } + if (cs_mask & (1 << 5)) { + at91_set_gpio_output(AT91_PIN_PB16, 1); + } + if (cs_mask & (1 << 6)) { + at91_set_gpio_output(AT91_PIN_PB17, 1); + } + if (cs_mask & (1 << 7)) { at91_set_gpio_output(AT91_PIN_PB18, 1); } } diff --git a/cpu/arm926ejs/at91/at91sam9rl_spi.c b/cpu/arm926ejs/at91/at91sam9rl_spi.c index aa9c183..389d6d8 100644 --- a/cpu/arm926ejs/at91/at91sam9rl_spi.c +++ b/cpu/arm926ejs/at91/at91sam9rl_spi.c @@ -38,15 +38,27 @@ void at91_spi0_hw_init(unsigned long cs_mask) at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_SPI); if (cs_mask & (1 << 0)) { - at91_set_gpio_output(AT91_PIN_PA28, 1); + at91_set_A_periph(AT91_PIN_PA28, 1); } if (cs_mask & (1 << 1)) { - at91_set_gpio_output(AT91_PIN_PB7, 1); + at91_set_B_periph(AT91_PIN_PB7, 1); } if (cs_mask & (1 << 2)) { - at91_set_gpio_output(AT91_PIN_PD8, 1); + at91_set_A_periph(AT91_PIN_PD8, 1); } if (cs_mask & (1 << 3)) { + at91_set_B_periph(AT91_PIN_PD9, 1); + } + if (cs_mask & (1 << 4)) { + at91_set_gpio_output(AT91_PIN_PA28, 1); + } + if (cs_mask & (1 << 5)) { + at91_set_gpio_output(AT91_PIN_PB7, 1); + } + if (cs_mask & (1 << 6)) { + at91_set_gpio_output(AT91_PIN_PD8, 1); + } + if (cs_mask & (1 << 7)) { at91_set_gpio_output(AT91_PIN_PD9, 1); } } diff --git a/cpu/arm926ejs/at91/spi.c b/cpu/arm926ejs/at91/spi.c deleted file mode 100644 index 3eb252c..0000000 --- a/cpu/arm926ejs/at91/spi.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * Driver for ATMEL DataFlash support - * Author : Hamid Ikdoumi (Atmel) - * - * 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/arch/hardware.h> -#include <asm/arch/gpio.h> -#include <asm/arch/io.h> -#include <asm/arch/at91_pio.h> -#include <asm/arch/at91_spi.h> - -#include <dataflash.h> - -#define AT91_SPI_PCS0_DATAFLASH_CARD 0xE /* Chip Select 0: NPCS0%1110 */ -#define AT91_SPI_PCS1_DATAFLASH_CARD 0xD /* Chip Select 0: NPCS0%1101 */ -#define AT91_SPI_PCS3_DATAFLASH_CARD 0x7 /* Chip Select 3: NPCS3%0111 */ - -void AT91F_SpiInit(void) -{ - /* Reset the SPI */ - writel(AT91_SPI_SWRST, AT91_BASE_SPI + AT91_SPI_CR); - - /* Configure SPI in Master Mode with No CS selected !!! */ - writel(AT91_SPI_MSTR | AT91_SPI_MODFDIS | AT91_SPI_PCS, - AT91_BASE_SPI + AT91_SPI_MR); - - /* Configure CS0 */ - writel(AT91_SPI_NCPHA | - (AT91_SPI_DLYBS & DATAFLASH_TCSS) | - (AT91_SPI_DLYBCT & DATAFLASH_TCHS) | - ((AT91_MASTER_CLOCK / AT91_SPI_CLK) << 8), - AT91_BASE_SPI + AT91_SPI_CSR(0)); - -#ifdef CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 - /* Configure CS1 */ - writel(AT91_SPI_NCPHA | - (AT91_SPI_DLYBS & DATAFLASH_TCSS) | - (AT91_SPI_DLYBCT & DATAFLASH_TCHS) | - ((AT91_MASTER_CLOCK / AT91_SPI_CLK) << 8), - AT91_BASE_SPI + AT91_SPI_CSR(1)); -#endif - -#ifdef CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 - /* Configure CS3 */ - writel(AT91_SPI_NCPHA | - (AT91_SPI_DLYBS & DATAFLASH_TCSS) | - (AT91_SPI_DLYBCT & DATAFLASH_TCHS) | - ((AT91_MASTER_CLOCK / AT91_SPI_CLK) << 8), - AT91_BASE_SPI + AT91_SPI_CSR(3)); -#endif - - /* SPI_Enable */ - writel(AT91_SPI_SPIEN, AT91_BASE_SPI + AT91_SPI_CR); - - while (!(readl(AT91_BASE_SPI + AT91_SPI_SR) & AT91_SPI_SPIENS)); - - /* - * Add tempo to get SPI in a safe state. - * Should not be needed for new silicon (Rev B) - */ - udelay(500000); - readl(AT91_BASE_SPI + AT91_SPI_SR); - readl(AT91_BASE_SPI + AT91_SPI_RDR); - -} - -void AT91F_SpiEnable(int cs) -{ - unsigned long mode; - - switch (cs) { - case 0: /* Configure SPI CS0 for Serial DataFlash AT45DBxx */ - mode = readl(AT91_BASE_SPI + AT91_SPI_MR); - mode &= 0xFFF0FFFF; - writel(mode | ((AT91_SPI_PCS0_DATAFLASH_CARD<<16) & AT91_SPI_PCS), - AT91_BASE_SPI + AT91_SPI_MR); - break; - case 1: /* Configure SPI CS1 for Serial DataFlash AT45DBxx */ - mode = readl(AT91_BASE_SPI + AT91_SPI_MR); - mode &= 0xFFF0FFFF; - writel(mode | ((AT91_SPI_PCS1_DATAFLASH_CARD<<16) & AT91_SPI_PCS), - AT91_BASE_SPI + AT91_SPI_MR); - break; - case 3: - mode = readl(AT91_BASE_SPI + AT91_SPI_MR); - mode &= 0xFFF0FFFF; - writel(mode | ((AT91_SPI_PCS3_DATAFLASH_CARD<<16) & AT91_SPI_PCS), - AT91_BASE_SPI + AT91_SPI_MR); - break; - } - - /* SPI_Enable */ - writel(AT91_SPI_SPIEN, AT91_BASE_SPI + AT91_SPI_CR); -} - -unsigned int AT91F_SpiWrite1(AT91PS_DataflashDesc pDesc); - -unsigned int AT91F_SpiWrite(AT91PS_DataflashDesc pDesc) -{ - unsigned int timeout; - - pDesc->state = BUSY; - - writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS, AT91_BASE_SPI + AT91_SPI_PTCR); - - /* Initialize the Transmit and Receive Pointer */ - writel((unsigned int)pDesc->rx_cmd_pt, AT91_BASE_SPI + AT91_SPI_RPR); - writel((unsigned int)pDesc->tx_cmd_pt, AT91_BASE_SPI + AT91_SPI_TPR); - - /* Intialize the Transmit and Receive Counters */ - writel(pDesc->rx_cmd_size, AT91_BASE_SPI + AT91_SPI_RCR); - writel(pDesc->tx_cmd_size, AT91_BASE_SPI + AT91_SPI_TCR); - - if (pDesc->tx_data_size != 0) { - /* Initialize the Next Transmit and Next Receive Pointer */ - writel((unsigned int)pDesc->rx_data_pt, AT91_BASE_SPI + AT91_SPI_RNPR); - writel((unsigned int)pDesc->tx_data_pt, AT91_BASE_SPI + AT91_SPI_TNPR); - - /* Intialize the Next Transmit and Next Receive Counters */ - writel(pDesc->rx_data_size, AT91_BASE_SPI + AT91_SPI_RNCR); - writel(pDesc->tx_data_size, AT91_BASE_SPI + AT91_SPI_TNCR); - } - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked(); - timeout = 0; - - writel(AT91_SPI_TXTEN + AT91_SPI_RXTEN, AT91_BASE_SPI + AT91_SPI_PTCR); - while (!(readl(AT91_BASE_SPI + AT91_SPI_SR) & AT91_SPI_RXBUFF) && - ((timeout = get_timer_masked()) < CONFIG_SYS_SPI_WRITE_TOUT)); - writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS, AT91_BASE_SPI + AT91_SPI_PTCR); - pDesc->state = IDLE; - - if (timeout >= CONFIG_SYS_SPI_WRITE_TOUT) { - printf("Error Timeout\n\r"); - return DATAFLASH_ERROR; - } - - return DATAFLASH_OK; -} diff --git a/cpu/arm926ejs/at91/usb.c b/cpu/arm926ejs/at91/usb.c deleted file mode 100644 index 7c44ad0..0000000 --- a/cpu/arm926ejs/at91/usb.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * (C) Copyright 2006 - * DENX Software Engineering <mk@denx.de> - * - * 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> - -#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) - -#include <asm/arch/hardware.h> -#include <asm/arch/io.h> -#include <asm/arch/at91_pmc.h> - -int usb_cpu_init(void) -{ - -#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \ - defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20) - /* Enable PLLB */ - at91_sys_write(AT91_CKGR_PLLBR, CONFIG_SYS_AT91_PLLB); - while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB) - ; -#endif - - /* Enable USB host clock. */ - at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_UHP); -#ifdef CONFIG_AT91SAM9261 - at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP | AT91_PMC_HCK0); -#else - at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP); -#endif - - return 0; -} - -int usb_cpu_stop(void) -{ - /* Disable USB host clock. */ - at91_sys_write(AT91_PMC_PCDR, 1 << AT91_ID_UHP); -#ifdef CONFIG_AT91SAM9261 - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP | AT91_PMC_HCK0); -#else - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP); -#endif - -#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \ - defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20) - /* Disable PLLB */ - at91_sys_write(AT91_CKGR_PLLBR, 0); - while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != 0) - ; -#endif - - return 0; -} - -int usb_cpu_init_fail(void) -{ - return usb_cpu_stop(); -} - -#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */ |