AT91CAP9 support - board/ files
Signed-off-by: Stelian Pop stelian@popies.net
--- board/at91cap9adk/Makefile | 50 +++++++ board/at91cap9adk/at91cap9adk.c | 275 +++++++++++++++++++++++++++++++++++++++ board/at91cap9adk/config.mk | 1 + board/at91cap9adk/led.c | 79 +++++++++++ board/at91cap9adk/nand.c | 64 +++++++++ board/at91cap9adk/u-boot.lds | 57 ++++++++ include/configs/at91cap9adk.h | 231 ++++++++++++++++++++++++++++++++ 7 files changed, 757 insertions(+), 0 deletions(-) create mode 100644 board/at91cap9adk/Makefile create mode 100644 board/at91cap9adk/at91cap9adk.c create mode 100644 board/at91cap9adk/config.mk create mode 100644 board/at91cap9adk/led.c create mode 100644 board/at91cap9adk/nand.c create mode 100644 board/at91cap9adk/u-boot.lds create mode 100644 include/configs/at91cap9adk.h
diff --git a/board/at91cap9adk/Makefile b/board/at91cap9adk/Makefile new file mode 100644 index 0000000..74be97a --- /dev/null +++ b/board/at91cap9adk/Makefile @@ -0,0 +1,50 @@ +# +# (C) Copyright 2003-2008 +# 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 = $(obj)lib$(BOARD).a + +COBJS := at91cap9adk.o led.o nand.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/at91cap9adk/at91cap9adk.c b/board/at91cap9adk/at91cap9adk.c new file mode 100644 index 0000000..f1d06cf --- /dev/null +++ b/board/at91cap9adk/at91cap9adk.c @@ -0,0 +1,275 @@ +/* + * (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/AT91CAP9.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +static void at91cap9_serial_hw_init(void) +{ +#ifdef CONFIG_USART0 + AT91C_BASE_PIOA->PIO_PDR = AT91C_PA22_TXD0 | AT91C_PA23_RXD0; /* PA 22 & 23 */ + AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US0; +#endif + +#ifdef CONFIG_USART1 + AT91C_BASE_PIOD->PIO_PDR = AT91C_PD0_TXD1 | AT91C_PD1_RXD1; /* PD 0 & 1 */ + AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US1; +#endif + +#ifdef CONFIG_USART2 + AT91C_BASE_PIOD->PIO_PDR = AT91C_PD2_TXD2 | AT91C_PD3_RXD2; /* PD 2 & 3 */ + AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US2; +#endif + +#ifdef CONFIG_USART3 /* DBGU */ + AT91C_BASE_PIOC->PIO_PDR = AT91C_PC31_DTXD | AT91C_PC30_DRXD; /* PC 31 & 30 */ + AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SYS; +#endif + + +} + +static void at91cap9_nor_hw_init(void) +{ + /* Ensure EBI supply is 3.3V */ + AT91C_BASE_CCFG->CCFG_EBICSA |= AT91C_EBI_SUP_3V3; + + /* Configure SMC CS0 for parallel flash */ + AT91C_BASE_SMC->SMC_SETUP0 = AT91C_FLASH_NWE_SETUP | \ + AT91C_FLASH_NCS_WR_SETUP | \ + AT91C_FLASH_NRD_SETUP | \ + AT91C_FLASH_NCS_RD_SETUP; + + AT91C_BASE_SMC->SMC_PULSE0 = AT91C_FLASH_NWE_PULSE | \ + AT91C_FLASH_NCS_WR_PULSE | \ + AT91C_FLASH_NRD_PULSE | \ + AT91C_FLASH_NCS_RD_PULSE; + + AT91C_BASE_SMC->SMC_CYCLE0 = AT91C_FLASH_NWE_CYCLE | \ + AT91C_FLASH_NRD_CYCLE; + + AT91C_BASE_SMC->SMC_CTRL0 = AT91C_SMC_READMODE | \ + AT91C_SMC_WRITEMODE | \ + AT91C_SMC_NWAITM_NWAIT_DISABLE | \ + AT91C_SMC_BAT_BYTE_WRITE | \ + AT91C_SMC_DBW_WIDTH_SIXTEEN_BITS | + (AT91C_SMC_TDF & (1 << 16)); +} + +#ifdef CONFIG_CMD_NAND +static void at91cap9_nand_hw_init(void) +{ + /* Enable CS3 */ + AT91C_BASE_CCFG->CCFG_EBICSA |= AT91C_EBI_CS3A_SM | AT91C_EBI_SUP_3V3; + + /* Configure SMC CS3 for NAND/SmartMedia */ + AT91C_BASE_SMC->SMC_SETUP3 = AT91C_SM_NWE_SETUP | AT91C_SM_NCS_WR_SETUP | + AT91C_SM_NRD_SETUP | AT91C_SM_NCS_RD_SETUP; + + AT91C_BASE_SMC->SMC_PULSE3 = AT91C_SM_NWE_PULSE | AT91C_SM_NCS_WR_PULSE | + AT91C_SM_NRD_PULSE | AT91C_SM_NCS_RD_PULSE; + + AT91C_BASE_SMC->SMC_CYCLE3 = AT91C_SM_NWE_CYCLE | AT91C_SM_NRD_CYCLE; + + AT91C_BASE_SMC->SMC_CTRL3 = AT91C_SMC_READMODE | AT91C_SMC_WRITEMODE | + AT91C_SMC_NWAITM_NWAIT_DISABLE | + AT91C_SMC_DBW_WIDTH_EIGTH_BITS | AT91C_SM_TDF; + + AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOABCD; + + /* RDY/BSY is not connected */ + + /* Enable NandFlash */ + AT91C_BASE_PIOD->PIO_PER = AT91C_PIO_PD15; + AT91C_BASE_PIOD->PIO_OER = AT91C_PIO_PD15; +} +#endif + +#ifdef CONFIG_HAS_DATAFLASH +static void at91cap9_spi_hw_init(void) +{ + AT91C_BASE_PIOD->PIO_BSR = AT91C_PD0_SPI0_NPCS2D | AT91C_PD1_SPI0_NPCS3D; + AT91C_BASE_PIOD->PIO_PDR = AT91C_PD0_SPI0_NPCS2D | AT91C_PD1_SPI0_NPCS3D; + + AT91C_BASE_PIOA->PIO_ASR = AT91C_PA28_SPI0_NPCS3A; + AT91C_BASE_PIOA->PIO_BSR = AT91C_PA4_SPI0_NPCS2A | AT91C_PA1_SPI0_MOSI | \ + AT91C_PA0_SPI0_MISO | AT91C_PA3_SPI0_NPCS1 | \ + AT91C_PA5_SPI0_NPCS0 | AT91C_PA2_SPI0_SPCK; + AT91C_BASE_PIOA->PIO_PDR = AT91C_PA28_SPI0_NPCS3A | \ + AT91C_PA4_SPI0_NPCS2A | AT91C_PA1_SPI0_MOSI | \ + AT91C_PA0_SPI0_MISO | AT91C_PA3_SPI0_NPCS1 | \ + AT91C_PA5_SPI0_NPCS0 | AT91C_PA2_SPI0_SPCK; + + /* Enable Clock */ + AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SPI0; +} +#endif + +#ifdef CONFIG_MACB +static void at91cap9_macb_hw_init(void) +{ + unsigned int gpio; + + /* Enable clock */ + AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_EMAC; + + /* Disable pull-up on: + RXDV (PB22) => PHY normal mode (not Test mode) + + ERX0 (PB25) => PHY ADDR0 + ERX1 (PB26) => PHY ADDR1 => PHYADDR = 0x0 + + PHY has internal pull-down + */ + AT91C_BASE_PIOB->PIO_PPUDR = AT91C_PB22_E_RXDV | AT91C_PB25_E_RX0 | AT91C_PB26_E_RX1; + + /* Need to reset PHY -> 500ms reset */ + AT91C_BASE_RSTC->RSTC_RMR = (AT91C_RSTC_KEY & ((unsigned int)0xA5<<24)) | + (AT91C_RSTC_ERSTL & (0x0D << 8)) | AT91C_RSTC_URSTEN; + AT91C_BASE_RSTC->RSTC_RCR = (AT91C_RSTC_KEY & ((unsigned int)0xA5<<24)) | + AT91C_RSTC_EXTRST; + + /* Wait for end hardware reset */ + while (!(AT91C_BASE_RSTC->RSTC_RSR & AT91C_RSTC_NRSTL)); + + /* Re-enable pull-up */ + AT91C_BASE_PIOB->PIO_PPUER = AT91C_PB22_E_RXDV | AT91C_PB25_E_RX0 | AT91C_PB26_E_RX1; + +#ifdef CONFIG_RMII + gpio = AT91C_PB30_E_MDIO | \ + AT91C_PB29_E_MDC | \ + AT91C_PB21_E_TXCK | \ + AT91C_PB27_E_RXER | \ + AT91C_PB25_E_RX0 | \ + AT91C_PB22_E_RXDV | \ + AT91C_PB26_E_RX1 | \ + AT91C_PB28_E_TXEN | \ + AT91C_PB23_E_TX0 | \ + AT91C_PB24_E_TX1; + AT91C_BASE_PIOB->PIO_ASR = gpio; + AT91C_BASE_PIOB->PIO_BSR = 0; + AT91C_BASE_PIOB->PIO_PDR = gpio; +#else +#error AT91CAP9A-DK works only in RMII mode +#endif + + /* Unlock EMAC, 3 0 2 1 sequence */ +#define MP_BLOCK_3_BASE 0xFDF00000 +#define MP_MAC_KEY0 0x5969cb2a +#define MP_MAC_KEY1 0xb4a1872e +#define MP_MAC_KEY2 0x05683fbc +#define MP_MAC_KEY3 0x3634fba4 +#define UNLOCK_MAC 0x00000008 + *((AT91_REG*)((AT91_REG) MP_BLOCK_3_BASE + 0x3c)) = MP_MAC_KEY3; + *((AT91_REG*)((AT91_REG) MP_BLOCK_3_BASE + 0x30)) = MP_MAC_KEY0; + *((AT91_REG*)((AT91_REG) MP_BLOCK_3_BASE + 0x38)) = MP_MAC_KEY2; + *((AT91_REG*)((AT91_REG) MP_BLOCK_3_BASE + 0x34)) = MP_MAC_KEY1; + *((AT91_REG*)((AT91_REG) MP_BLOCK_3_BASE + 0x40)) = UNLOCK_MAC; +#undef MP_BLOCK_3_BASE +#undef MP_MAC_KEY0 +#undef MP_MAC_KEY1 +#undef MP_MAC_KEY2 +#undef MP_MAC_KEY3 +#undef UNLOCK_MAC +} +#endif + +#ifdef CONFIG_USB_OHCI_NEW +static void at91cap9_uhp_hw_init(void) +{ + /* Unlock USB OHCI, 3 2 0 1 sequence */ +#define MP_BLOCK_3_BASE 0xFDF00000 +#define MP_OHCI_KEY0 0x896c11ca +#define MP_OHCI_KEY1 0x68ebca21 +#define MP_OHCI_KEY2 0x4823efbc +#define MP_OHCI_KEY3 0x8651aae4 +#define UNLOCK_OHCI 0x00000010 + *((AT91_REG*)((AT91_REG) MP_BLOCK_3_BASE + 0x3c)) = MP_OHCI_KEY3; + *((AT91_REG*)((AT91_REG) MP_BLOCK_3_BASE + 0x38)) = MP_OHCI_KEY2; + *((AT91_REG*)((AT91_REG) MP_BLOCK_3_BASE + 0x30)) = MP_OHCI_KEY0; + *((AT91_REG*)((AT91_REG) MP_BLOCK_3_BASE + 0x34)) = MP_OHCI_KEY1; + *((AT91_REG*)((AT91_REG) MP_BLOCK_3_BASE + 0x40)) = UNLOCK_OHCI; +#undef MP_BLOCK_3_BASE +#undef MP_OHCI_KEY0 +#undef MP_OHCI_KEY1 +#undef MP_OHCI_KEY2 +#undef MP_OHCI_KEY3 +#undef UNLOCK_OHCI +} +#endif + +int board_init (void) +{ + /* Enable Ctrlc */ + console_init_f (); + + /* arch number of AT91CAP9ADK-Board */ + gd->bd->bi_arch_number = MACH_TYPE_AT91CAP9ADK; + /* adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + at91cap9_serial_hw_init(); + at91cap9_nor_hw_init(); +#ifdef CONFIG_CMD_NAND + at91cap9_nand_hw_init(); +#endif +#ifdef CONFIG_HAS_DATAFLASH + at91cap9_spi_hw_init(); +#endif +#ifdef CONFIG_MACB + at91cap9_macb_hw_init(); +#endif +#ifdef CONFIG_USB_OHCI_NEW + at91cap9_uhp_hw_init(); +#endif + + return 0; +} + +int dram_init (void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM; + gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; + return 0; +} + +#ifdef CONFIG_RESET_PHY_R +void reset_phy(void) +{ +#ifdef CONFIG_MACB + /* + * Initialize ethernet HW addr prior to starting Linux, + * needed for nfsroot + */ + eth_init(gd->bd); +#endif +} +#endif diff --git a/board/at91cap9adk/config.mk b/board/at91cap9adk/config.mk new file mode 100644 index 0000000..e241aee --- /dev/null +++ b/board/at91cap9adk/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0x73000000 diff --git a/board/at91cap9adk/led.c b/board/at91cap9adk/led.c new file mode 100644 index 0000000..2fa75fe --- /dev/null +++ b/board/at91cap9adk/led.c @@ -0,0 +1,79 @@ +/* + * (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/AT91CAP9.h> + +#define RED_LED AT91C_PIO_PC29 /* this is the power led */ +#define GREEN_LED AT91C_PIO_PA10 /* this is the user1 led */ +#define YELLOW_LED AT91C_PIO_PA11 /* this is the user1 led */ + +void red_LED_on(void) +{ + AT91C_BASE_PIOC->PIO_SODR = RED_LED; +} + +void red_LED_off(void) +{ + AT91C_BASE_PIOC->PIO_CODR = RED_LED; +} + +void green_LED_on(void) +{ + AT91C_BASE_PIOA->PIO_CODR = GREEN_LED; +} + +void green_LED_off(void) +{ + AT91C_BASE_PIOA->PIO_SODR = GREEN_LED; +} + +void yellow_LED_on(void) +{ + AT91C_BASE_PIOA->PIO_CODR = YELLOW_LED; +} + +void yellow_LED_off(void) +{ + AT91C_BASE_PIOA->PIO_SODR = YELLOW_LED; +} + +void coloured_LED_init (void) +{ + AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOABCD; /* Enable clock */ + + /* Disable peripherals on LEDs */ + AT91C_BASE_PIOA->PIO_PER = GREEN_LED | YELLOW_LED; + /* Enable pins as outputs */ + AT91C_BASE_PIOA->PIO_OER = GREEN_LED | YELLOW_LED; + /* Turn all LEDs OFF */ + AT91C_BASE_PIOA->PIO_SODR = GREEN_LED | YELLOW_LED; + + /* Disable peripherals on LEDs */ + AT91C_BASE_PIOC->PIO_PER = RED_LED; + /* Enable pins as outputs */ + AT91C_BASE_PIOC->PIO_OER = RED_LED; + /* Turn all LEDs OFF */ + AT91C_BASE_PIOC->PIO_CODR = RED_LED; +} diff --git a/board/at91cap9adk/nand.c b/board/at91cap9adk/nand.c new file mode 100644 index 0000000..e810077 --- /dev/null +++ b/board/at91cap9adk/nand.c @@ -0,0 +1,64 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop stelian.pop@leadtechdesign.com + * Lead Tech Design <www.leadtechdesign.com> + * + * (C) Copyright 2006 ATMEL Rousset, Lacressonniere Nicolas + * + * 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> + +#ifdef CONFIG_CMD_NAND + +#include <nand.h> + +/* + * hardware specific access to control-lines + */ +#define MASK_ALE (1 << 21) /* our ALE is AD21 */ +#define MASK_CLE (1 << 22) /* our CLE is AD22 */ + +static void at91cap9adk_nand_hwcontrol(struct mtd_info *mtd, int cmd) +{ + struct nand_chip *this = mtd->priv; + ulong IO_ADDR_W = (ulong) this->IO_ADDR_W; + + IO_ADDR_W &= ~(MASK_ALE|MASK_CLE); + switch (cmd) { + case NAND_CTL_SETCLE: IO_ADDR_W |= MASK_CLE; break; + case NAND_CTL_SETALE: IO_ADDR_W |= MASK_ALE; break; + case NAND_CTL_CLRNCE: AT91C_BASE_PIOD->PIO_SODR = AT91C_PIO_PD15; break; + + case NAND_CTL_SETNCE: AT91C_BASE_PIOD->PIO_CODR = AT91C_PIO_PD15; break; + } + this->IO_ADDR_W = (void *) IO_ADDR_W; +} + +int board_nand_init(struct nand_chip *nand) +{ + nand->eccmode = NAND_ECC_SOFT; + nand->hwcontrol = at91cap9adk_nand_hwcontrol; + nand->chip_delay = 20; + + return 0; +} +#endif diff --git a/board/at91cap9adk/u-boot.lds b/board/at91cap9adk/u-boot.lds new file mode 100644 index 0000000..df986d5 --- /dev/null +++ b/board/at91cap9adk/u-boot.lds @@ -0,0 +1,57 @@ +/* + * (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/include/configs/at91cap9adk.h b/include/configs/at91cap9adk.h new file mode 100644 index 0000000..156fe3f --- /dev/null +++ b/include/configs/at91cap9adk.h @@ -0,0 +1,231 @@ +/* + * (C) Copyright 2007 + * Stelian Pop stelian.pop@leadtechdesign.com + * Lead Tech Design <www.leadtechdesign.com> + * + * Configuation settings for the AT91CAP9ADK board. + * + * 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 + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* ARM asynchronous clock */ +#define AT91C_MAIN_CLOCK 200000000 /* from 12 MHz crystal (12MHz / 3 * 50) */ +#define AT91C_MASTER_CLOCK 100000000 /* peripheral clock (AT91C_MAIN_CLOCK / 2) */ +#define CFG_HZ 1000000 /* let the clock give 1us resolution */ + +#define AT91_SLOW_CLOCK 32768 /* slow clock */ + +#define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */ +#define CONFIG_AT91CAP9 1 /* It's an Atmel AT91CAP9 SoC */ +#define CONFIG_AT91CAP9ADK 1 /* on an AT91CAP9ADK Board */ +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ + +#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS 1 +#define CONFIG_INITRD_TAG 1 + +#define CONFIG_SKIP_LOWLEVEL_INIT +#define CONFIG_SKIP_RELOCATE_UBOOT + +#define ROUND(A, B) (((A) + (B)) & ~((B) - 1)) +/* + * Size of malloc() pool + */ +#define CFG_MALLOC_LEN ROUND(CFG_ENV_SIZE + 128*1024, 0x1000) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +#define CONFIG_BAUDRATE 115200 + +/* + * Hardware drivers + */ + +/* define one of these to choose the DBGU, USART0, USART1 or USART2 as console */ +#define CONFIG_ATMEL_USART 1 +#undef CONFIG_USART0 +#undef CONFIG_USART1 +#undef CONFIG_USART2 +#define CONFIG_USART3 1 /* USART 3 is DBGU */ + +#define CONFIG_BOOTDELAY 3 +#define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2" + +/* #define CONFIG_ENV_OVERWRITE 1 */ + +/* + * BOOTP options + */ +#define CONFIG_BOOTP_BOOTFILESIZE 1 +#define CONFIG_BOOTP_BOOTPATH 1 +#define CONFIG_BOOTP_GATEWAY 1 +#define CONFIG_BOOTP_HOSTNAME 1 + +/* + * Command line configuration. + */ +#include <config_cmd_default.h> +#undef CONFIG_CMD_BDI +#undef CONFIG_CMD_IMI +#undef CONFIG_CMD_AUTOSCRIPT +#undef CONFIG_CMD_FPGA +#undef CONFIG_CMD_LOADS + +#define CONFIG_CMD_PING 1 +#define CONFIG_CMD_DHCP 1 +#define CONFIG_CMD_NAND 1 +#define CONFIG_CMD_USB 1 + +/* SDRAM: Careful: this supposes an AT91CAP-MEM33 expansion card */ +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM 0x70000000 +#define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */ + +/* DataFlash */ +#define CONFIG_HAS_DATAFLASH 1 +#define CFG_SPI_WRITE_TOUT (5*CFG_HZ) +#define CFG_MAX_DATAFLASH_BANKS 1 +#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */ +#define CONFIG_NEW_PARTITION 1 + +/* NOR flash */ +#define CFG_FLASH_CFI 1 +#define CFG_FLASH_CFI_DRIVER 1 +#define PHYS_FLASH_1 0x10000000 +#define CFG_FLASH_BASE PHYS_FLASH_1 +#define CFG_MAX_FLASH_SECT 256 +#define CFG_MAX_FLASH_BANKS 1 + +#define AT91C_FLASH_NWE_SETUP (4 << 0) +#define AT91C_FLASH_NCS_WR_SETUP (2 << 8) +#define AT91C_FLASH_NRD_SETUP (4 << 16) +#define AT91C_FLASH_NCS_RD_SETUP (2 << 24) + +#define AT91C_FLASH_NWE_PULSE (8 << 0) +#define AT91C_FLASH_NCS_WR_PULSE (10 << 8) +#define AT91C_FLASH_NRD_PULSE (8 << 16) +#define AT91C_FLASH_NCS_RD_PULSE (10 << 24) + +#define AT91C_FLASH_NWE_CYCLE (16 << 0) +#define AT91C_FLASH_NRD_CYCLE (16 << 16) + +/* NAND flash */ +#define NAND_MAX_CHIPS 1 +#define CFG_MAX_NAND_DEVICE 1 +#define CFG_NAND_BASE 0x40000000 + +#define AT91C_SM_NWE_SETUP (2 << 0) +#define AT91C_SM_NCS_WR_SETUP (1 << 8) +#define AT91C_SM_NRD_SETUP (2 << 16) +#define AT91C_SM_NCS_RD_SETUP (1 << 24) + +#define AT91C_SM_NWE_PULSE (4 << 0) +#define AT91C_SM_NCS_WR_PULSE (6 << 8) +#define AT91C_SM_NRD_PULSE (4 << 16) +#define AT91C_SM_NCS_RD_PULSE (6 << 24) + +#define AT91C_SM_NWE_CYCLE (8 << 0) +#define AT91C_SM_NRD_CYCLE (8 << 16) + +#define AT91C_SM_TDF (1 << 16) + +/* Ethernet */ +#define CONFIG_MACB 1 +#define CONFIG_RMII 1 +#define CONFIG_NET_MULTI 1 +#define CONFIG_NET_RETRY_COUNT 20 +#define CONFIG_RESET_PHY_R 1 + +/* USB */ +#define CONFIG_USB_OHCI_NEW 1 +#define LITTLEENDIAN 1 +#define CONFIG_DOS_PARTITION 1 +#define CFG_USB_OHCI_CPU_INIT 1 +#define CFG_USB_OHCI_REGS_BASE 0x00700000 /* AT91C_BASE_UHP */ +#define CFG_USB_OHCI_SLOT_NAME "at91cap9" +#define CFG_USB_OHCI_MAX_ROOT_PORTS 2 + + +#define CFG_LOAD_ADDR 0x72000000 /* default load address */ + +#define CFG_MEMTEST_START PHYS_SDRAM +#define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144 + +#define CFG_USE_DATAFLASH 1 +#undef CFG_USE_NORFLASH + +#ifdef CFG_USE_DATAFLASH + +/* bootstrap + u-boot + env + linux in dataflash */ +#define CFG_ENV_IS_IN_DATAFLASH 1 +#define CFG_MONITOR_BASE (CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) +#define CFG_ENV_OFFSET 0x4200 +#define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET) +#define CFG_ENV_SIZE 0x4200 +#define CONFIG_BOOTCOMMAND "cp.b 0xC003DE00 0x72000000 0x200040; bootm" + +#else + +/* bootstrap + u-boot + env + linux in norflash */ +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_MONITOR_BASE (PHYS_FLASH_1 + 0x8000) +#define CFG_ENV_OFFSET 0x4000 +#define CFG_ENV_ADDR (PHYS_FLASH_1 + CFG_ENV_OFFSET) +#define CFG_ENV_SIZE 0x4000 +#define CONFIG_BOOTCOMMAND "cp.b 0x10040000 0x72000000 0x200000; bootm" + +#endif + +#define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } + +#define CFG_PROMPT "U-Boot> " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_LONGHELP 1 /* undefine if short on memory */ +#define CONFIG_CMDLINE_EDITING 1 + +#ifndef __ASSEMBLY__ +/*----------------------------------------------------------------------- + * Board specific extension for bd_info + * + * This structure is embedded in the global bd_info (bd_t) structure + * and can be used by the board specific code (eg board/...) + */ + +struct bd_info_ext { + /* helper variable for board environment handling + * + * env_crc_valid == 0 => uninitialised + * env_crc_valid > 0 => environment crc in flash is valid + * env_crc_valid < 0 => environment crc in flash is invalid + */ + int env_crc_valid; +}; +#endif + +#define CONFIG_STACKSIZE (32*1024) /* regular stack */ + +#ifdef CONFIG_USE_IRQ +#error CONFIG_USE_IRQ not supported +#endif + +#endif