diff options
Diffstat (limited to 'cpu/arm926ejs/at91')
| -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 |
9 files changed, 141 insertions, 266 deletions
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) */ |