diff options
Diffstat (limited to 'cpu/arm926ejs/at91sam9')
| -rw-r--r-- | cpu/arm926ejs/at91sam9/Makefile | 49 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91sam9/config.mk | 3 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91sam9/ether.c | 35 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91sam9/lowlevel_init.S | 43 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91sam9/spi.c | 157 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91sam9/timer.c | 149 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91sam9/u-boot.lds | 57 | ||||
| -rw-r--r-- | cpu/arm926ejs/at91sam9/usb.c | 62 |
8 files changed, 0 insertions, 555 deletions
diff --git a/cpu/arm926ejs/at91sam9/Makefile b/cpu/arm926ejs/at91sam9/Makefile deleted file mode 100644 index 44cde1a..0000000 --- a/cpu/arm926ejs/at91sam9/Makefile +++ /dev/null @@ -1,49 +0,0 @@ -# -# (C) Copyright 2000-2008 -# Wolfgang Denk, DENX Software Engineering, wd@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 $(TOPDIR)/config.mk - -LIB = $(obj)lib$(SOC).a - -COBJS-y += ether.o -COBJS-y += timer.o -COBJS-$(CONFIG_HAS_DATAFLASH) +=spi.o -COBJS-y += usb.o -SOBJS = lowlevel_init.o - -SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y)) - -all: $(obj).depend $(LIB) - -$(LIB): $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/cpu/arm926ejs/at91sam9/config.mk b/cpu/arm926ejs/at91sam9/config.mk deleted file mode 100644 index 83040eb..0000000 --- a/cpu/arm926ejs/at91sam9/config.mk +++ /dev/null @@ -1,3 +0,0 @@ -PLATFORM_CPPFLAGS += -march=armv5te -PLATFORM_CPPFLAGS += $(call cc-option,-mtune=arm926ejs,) -LDSCRIPT := $(SRCTREE)/cpu/arm926ejs/at91sam9/u-boot.lds diff --git a/cpu/arm926ejs/at91sam9/ether.c b/cpu/arm926ejs/at91sam9/ether.c deleted file mode 100644 index 7e11fe4..0000000 --- a/cpu/arm926ejs/at91sam9/ether.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian.pop@leadtechdesign.com> - * Lead Tech Design <www.leadtechdesign.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/arch/hardware.h> - -extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr); - -#if defined(CONFIG_MACB) && defined(CONFIG_CMD_NET) -void at91sam9_eth_initialize(bd_t *bi) -{ - macb_eth_initialize(0, (void *)AT91_BASE_EMAC, 0x00); -} -#endif diff --git a/cpu/arm926ejs/at91sam9/lowlevel_init.S b/cpu/arm926ejs/at91sam9/lowlevel_init.S deleted file mode 100644 index ec6ad5d..0000000 --- a/cpu/arm926ejs/at91sam9/lowlevel_init.S +++ /dev/null @@ -1,43 +0,0 @@ -/* - * AT91CAP9/SAM9 setup stuff - * - * (C) Copyright 2007-2008 - * Stelian Pop <stelian.pop@leadtechdesign.com> - * Lead Tech Design <www.leadtechdesign.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 <config.h> -#include <version.h> - -#ifndef CONFIG_SKIP_LOWLEVEL_INIT - -.globl lowlevel_init -lowlevel_init: - - /* - * Clocks/SDRAM initialization is handled by at91bootstrap, - * no need to do it here... - */ - mov pc, lr - - .ltorg - -#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ diff --git a/cpu/arm926ejs/at91sam9/spi.c b/cpu/arm926ejs/at91sam9/spi.c deleted file mode 100644 index c9fe6d8..0000000 --- a/cpu/arm926ejs/at91sam9/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 CFG_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 CFG_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()) < CFG_SPI_WRITE_TOUT)); - writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS, AT91_BASE_SPI + AT91_SPI_PTCR); - pDesc->state = IDLE; - - if (timeout >= CFG_SPI_WRITE_TOUT) { - printf("Error Timeout\n\r"); - return DATAFLASH_ERROR; - } - - return DATAFLASH_OK; -} diff --git a/cpu/arm926ejs/at91sam9/timer.c b/cpu/arm926ejs/at91sam9/timer.c deleted file mode 100644 index c79ec7e..0000000 --- a/cpu/arm926ejs/at91sam9/timer.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * (C) Copyright 2007-2008 - * Stelian Pop <stelian.pop@leadtechdesign.com> - * Lead Tech Design <www.leadtechdesign.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/arch/hardware.h> -#include <asm/arch/at91_pit.h> -#include <asm/arch/at91_pmc.h> -#include <asm/arch/at91_rstc.h> -#include <asm/arch/io.h> - -/* - * We're using the AT91CAP9/SAM9 PITC in 32 bit mode, by - * setting the 20 bit counter period to its maximum (0xfffff). - */ -#define TIMER_LOAD_VAL 0xfffff -#define READ_RESET_TIMER at91_sys_read(AT91_PIT_PIVR) -#define READ_TIMER at91_sys_read(AT91_PIT_PIIR) -#define TIMER_FREQ (AT91C_MASTER_CLOCK << 4) -#define TICKS_TO_USEC(ticks) ((ticks) / 6) - -ulong get_timer_masked(void); -ulong resettime; - -/* nothing really to do with interrupts, just starts up a counter. */ -int timer_init(void) -{ - /* - * Enable PITC Clock - * The clock is already enabled for system controller in boot - */ - at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS); - - /* Enable PITC */ - at91_sys_write(AT91_PIT_MR, TIMER_LOAD_VAL | AT91_PIT_PITEN); - - reset_timer_masked(); - - return 0; -} - -/* - * timer without interrupts - */ - -static inline ulong get_timer_raw(void) -{ - ulong now = READ_TIMER; - - if (now >= resettime) - return now - resettime; - else - return 0xFFFFFFFFUL - (resettime - now) ; -} - -void reset_timer_masked(void) -{ - resettime = READ_TIMER; -} - -ulong get_timer_masked(void) -{ - return TICKS_TO_USEC(get_timer_raw()); - -} - -void udelay_masked(unsigned long usec) -{ - ulong tmp; - - tmp = get_timer(0); - while (get_timer(tmp) < usec) /* our timer works in usecs */ - ; /* NOP */ -} - -void reset_timer(void) -{ - reset_timer_masked(); -} - -ulong get_timer(ulong base) -{ - ulong now = get_timer_masked(); - - if (now >= base) - return now - base; - else - return TICKS_TO_USEC(0xFFFFFFFFUL) - (base - now) ; -} - -void udelay(unsigned long usec) -{ - udelay_masked(usec); -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -/* - * This function is derived from PowerPC code (timebase clock frequency). - * On ARM it returns the number of timer ticks per second. - */ -ulong get_tbclk(void) -{ - ulong tbclk; - - tbclk = CFG_HZ; - return tbclk; -} - -/* - * Reset the cpu by setting up the watchdog timer and let him time out. - */ -void reset_cpu(ulong ignored) -{ - /* this is the way Linux does it */ - at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | - AT91_RSTC_PROCRST | - AT91_RSTC_PERRST); - - while (1); - /* Never reached */ -} diff --git a/cpu/arm926ejs/at91sam9/u-boot.lds b/cpu/arm926ejs/at91sam9/u-boot.lds deleted file mode 100644 index 996f401..0000000 --- a/cpu/arm926ejs/at91sam9/u-boot.lds +++ /dev/null @@ -1,57 +0,0 @@ -/* - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <gj@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 - */ - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/ -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - . = 0x00000000; - - . = ALIGN(4); - .text : - { - cpu/arm926ejs/start.o (.text) - *(.text) - } - - . = ALIGN(4); - .rodata : { *(.rodata) } - - . = ALIGN(4); - .data : { *(.data) } - - . = ALIGN(4); - .got : { *(.got) } - - . = .; - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - . = ALIGN(4); - __bss_start = .; - .bss : { *(.bss) } - _end = .; -} diff --git a/cpu/arm926ejs/at91sam9/usb.c b/cpu/arm926ejs/at91sam9/usb.c deleted file mode 100644 index 2a92f73..0000000 --- a/cpu/arm926ejs/at91sam9/usb.c +++ /dev/null @@ -1,62 +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(CFG_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) -{ - /* 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 - return 0; -} - -int usb_cpu_init_fail(void) -{ - return usb_cpu_stop(); -} - -#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ |