diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-arm/arch-at91rm9200/AT91RM9200.h | 56 | ||||
| -rw-r--r-- | include/at91rm9200_i2c.h | 126 | ||||
| -rw-r--r-- | include/configs/cmc_pu2.h | 225 |
3 files changed, 399 insertions, 8 deletions
diff --git a/include/asm-arm/arch-at91rm9200/AT91RM9200.h b/include/asm-arm/arch-at91rm9200/AT91RM9200.h index 463f46264..869c4e20b 100644 --- a/include/asm-arm/arch-at91rm9200/AT91RM9200.h +++ b/include/asm-arm/arch-at91rm9200/AT91RM9200.h @@ -446,7 +446,35 @@ typedef struct _AT91S_PDC { /* ========== Register definition ==================================== */ #define AT91C_SPI_CSR ((AT91_REG *) 0xFFFE0030) /* (SPI) Chip Select Register */ #define AT91C_PMC_PCER ((AT91_REG *) 0xFFFFFC10) /* (PMC) Peripheral Clock Enable Register */ +#define AT91C_PIOA_PER ((AT91_REG *) 0xFFFFF400) /* (PIOA) PIO Enable Register */ #define AT91C_PIOA_PDR ((AT91_REG *) 0xFFFFF404) /* (PIOA) PIO Disable Register */ +#define AT91C_PIOA_PSR ((AT91_REG *) 0xFFFFF408) /* (PIOA) PIO Status Register */ +#define AT91C_PIOA_OER ((AT91_REG *) 0xFFFFF410) /* (PIOA) PIO Output Enable Register */ +#define AT91C_PIOA_ODR ((AT91_REG *) 0xFFFFF414) /* (PIOA) PIO Output Disable Register */ +#define AT91C_PIOA_OSR ((AT91_REG *) 0xFFFFF418) /* (PIOA) PIO Output Status Register */ +#define AT91C_PIOA_IFER ((AT91_REG *) 0xFFFFF420) /* (PIOA) PIO Glitch Input Filter Enable Register */ +#define AT91C_PIOA_IFDR ((AT91_REG *) 0xFFFFF424) /* (PIOA) PIO Glitch Input Filter Disable Register */ +#define AT91C_PIOA_IFSR ((AT91_REG *) 0xFFFFF428) /* (PIOA) PIO Glitch Input Filter Status Register */ +#define AT91C_PIOA_SODR ((AT91_REG *) 0xFFFFF430) /* (PIOA) PIO Set Output Data Register */ +#define AT91C_PIOA_CODR ((AT91_REG *) 0xFFFFF434) /* (PIOA) PIO Clear Output Data Register */ +#define AT91C_PIOA_ODSR ((AT91_REG *) 0xFFFFF438) /* (PIOA) PIO Output Data Status Register */ +#define AT91C_PIOA_PDSR ((AT91_REG *) 0xFFFFF43C) /* (PIOA) PIO Pin Data Status Register */ +#define AT91C_PIOA_IER ((AT91_REG *) 0xFFFFF440) /* (PIOA) PIO Interrupt Enable Register */ +#define AT91C_PIOA_IDR ((AT91_REG *) 0xFFFFF444) /* (PIOA) PIO Interrupt Disable Register */ +#define AT91C_PIOA_IMR ((AT91_REG *) 0xFFFFF448) /* (PIOA) PIO Interrupt Mask Register */ +#define AT91C_PIOA_ISR ((AT91_REG *) 0xFFFFF44C) /* (PIOA) PIO Interrupt Status Register */ +#define AT91C_PIOA_MDER ((AT91_REG *) 0xFFFFF450) /* (PIOA) PIO Multi-drive Enable Register */ +#define AT91C_PIOA_MDDR ((AT91_REG *) 0xFFFFF454) /* (PIOA) PIO Multi-drive Disable Register */ +#define AT91C_PIOA_MDSR ((AT91_REG *) 0xFFFFF458) /* (PIOA) PIO Multi-drive Status Register */ +#define AT91C_PIOA_PUDR ((AT91_REG *) 0xFFFFF460) /* (PIOA) PIO Pull-up Disable Register */ +#define AT91C_PIOA_PUER ((AT91_REG *) 0xFFFFF464) /* (PIOA) PIO Pull-up Enable Register */ +#define AT91C_PIOA_PUSR ((AT91_REG *) 0xFFFFF468) /* (PIOA) PIO Pull-up Status Register */ +#define AT91C_PIOA_ASR ((AT91_REG *) 0xFFFFF470) /* (PIOA) PIO Peripheral A Select Register */ +#define AT91C_PIOA_BSR ((AT91_REG *) 0xFFFFF474) /* (PIOA) PIO Peripheral B Select Register */ +#define AT91C_PIOA_ABSR ((AT91_REG *) 0xFFFFF478) /* (PIOA) PIO Peripheral AB Select Register */ +#define AT91C_PIOA_OWER ((AT91_REG *) 0xFFFFF4A0) /* (PIOA) PIO Output Write Enable Register */ +#define AT91C_PIOA_OWDR ((AT91_REG *) 0xFFFFF4A4) /* (PIOA) PIO Output Write Disable Register */ +#define AT91C_PIOA_OWSR ((AT91_REG *) 0xFFFFF4A8) /* (PIOA) PIO Output Write Status Register */ #define AT91C_PIOB_PDR ((AT91_REG *) 0xFFFFF604) /* (PIOB) PIO Disable Register */ #define AT91C_PIO_PA30 ((unsigned int) 1 << 30) /* Pin Controlled by PA30 */ @@ -454,19 +482,28 @@ typedef struct _AT91S_PDC { #define AT91C_PC0_BFCK ((unsigned int) AT91C_PIO_PC0) /* Burst Flash Clock */ #define AT91C_PA30_DRXD ((unsigned int) AT91C_PIO_PA30) /* DBGU Debug Receive Data */ #define AT91C_PIO_PA31 ((unsigned int) 1 << 31) /* Pin Controlled by PA31 */ +#define AT91C_PA25_TWD ((unsigned int) 1 << 25) +#define AT91C_PA26_TWCK ((unsigned int) 1 << 26) #define AT91C_PA31_DTXD ((unsigned int) AT91C_PIO_PA31) /* DBGU Debug Transmit Data */ +#define AT91C_PIO_PA17 ((unsigned int) 1 << 17) /* Pin Controlled by PA17 */ +#define AT91C_PA17_TXD0 AT91C_PIO_PA17 /* USART0 Transmit Data */ +#define AT91C_PIO_PA18 ((unsigned int) 1 << 18) /* Pin Controlled by PA18 */ +#define AT91C_PA18_RXD0 AT91C_PIO_PA18 /* USART0 Receive Data */ #define AT91C_PIO_PB20 ((unsigned int) 1 << 20) /* Pin Controlled by PB20 */ -#define AT91C_PB20_RXD1 ((unsigned int) AT91C_PIO_PB20) /* USART1 Receive Data */ +#define AT91C_PB20_RXD1 AT91C_PIO_PB20 /* USART1 Receive Data */ #define AT91C_PIO_PB21 ((unsigned int) 1 << 21) /* Pin Controlled by PB21 */ -#define AT91C_PB21_TXD1 ((unsigned int) AT91C_PIO_PB21) /* USART1 Transmit Data */ +#define AT91C_PB21_TXD1 AT91C_PIO_PB21 /* USART1 Transmit Data */ -#define AT91C_ID_SYS ((unsigned int) 1) /* System Peripheral */ +#define AT91C_ID_SYS ((unsigned int) 1) /* System Peripheral */ +#define AT91C_ID_PIOA ((unsigned int) 2) /* PIO port A */ +#define AT91C_ID_PIOB ((unsigned int) 3) /* PIO port B */ +#define AT91C_ID_PIOC ((unsigned int) 4) /* PIO port C */ +#define AT91C_ID_USART0 ((unsigned int) 6) /* USART 0 */ +#define AT91C_ID_USART1 ((unsigned int) 7) /* USART 1 */ +#define AT91C_ID_TWI ((unsigned int) 12) /* Two Wire Interface */ +#define AT91C_ID_SPI ((unsigned int) 13) /* Serial Peripheral Interface */ #define AT91C_ID_TC0 ((unsigned int) 17) /* Timer Counter 0 */ #define AT91C_ID_EMAC ((unsigned int) 24) /* Ethernet MAC */ -#define AT91C_ID_SPI ((unsigned int) 13) /* Serial Peripheral Interface */ -#define AT91C_ID_PIOB ((unsigned int) 3) -#define AT91C_ID_PIOC ((unsigned int) 4) -#define AT91C_ID_USART1 ((unsigned int) 7) #define AT91C_PIO_PC1 ((unsigned int) 1 << 1) /* Pin Controlled by PC1 */ #define AT91C_PC1_BFRDY_SMOE ((unsigned int) AT91C_PIO_PC1) /* Burst Flash Ready */ @@ -561,11 +598,14 @@ typedef struct _AT91S_PDC { #define AT91C_BASE_EMAC ((AT91PS_EMAC) 0xFFFBC000) /* (EMAC) Base Address */ #define AT91C_BASE_PMC ((AT91PS_PMC) 0xFFFFFC00) /* (PMC) Base Address */ #define AT91C_BASE_TC0 ((AT91PS_TC) 0xFFFA0000) /* (TC0) Base Address */ -#define AT91C_BASE_DBGU ((AT91PS_DBGU) 0xFFFFF200) /* (DBGU) Base Address */ +#define AT91C_BASE_DBGU ((AT91PS_DBGU) 0xFFFFF200) /* (DBGU) Base Address */ +#define AT91C_BASE_CKGR ((AT91PS_CKGR) 0xFFFFFC20) /* (CKGR) Base Address */ +#define AT91C_BASE_PIOC ((AT91PS_PIO) 0xFFFFF800) /* (PIOC) Base Address */ #define AT91C_BASE_PIOB ((AT91PS_PIO) 0xFFFFF600) /* (PIOB) Base Address */ #define AT91C_BASE_PIOA ((AT91PS_PIO) 0xFFFFF400) /* (PIOA) Base Address */ #define AT91C_EBI_CSA ((AT91_REG *) 0xFFFFFF60) /* (EBI) Chip Select Assignment Register */ #define AT91C_BASE_SMC2 ((AT91PS_SMC2) 0xFFFFFF70) /* (SMC2) Base Address */ +#define AT91C_BASE_US0 ((AT91PS_USART) 0xFFFC0000) /* (US0) Base Address */ #define AT91C_BASE_US1 ((AT91PS_USART) 0xFFFC4000) /* (US1) Base Address */ #define AT91C_TCB0_BMR ((AT91_REG *) 0xFFFA00C4) /* (TCB0) TC Block Mode Register */ #define AT91C_TCB0_BCR ((AT91_REG *) 0xFFFA00C0) /* (TCB0) TC Block Control Register */ diff --git a/include/at91rm9200_i2c.h b/include/at91rm9200_i2c.h new file mode 100644 index 000000000..cb13d9d4d --- /dev/null +++ b/include/at91rm9200_i2c.h @@ -0,0 +1,126 @@ +// ---------------------------------------------------------------------------- +// ATMEL Microcontroller Software Support - ROUSSET - +// ---------------------------------------------------------------------------- +// The software is delivered "AS IS" without warranty or condition of any +// kind, either express, implied or statutory. This includes without +// limitation any warranty or condition with respect to merchantability or +// fitness for any particular purpose, or against the infringements of +// intellectual property rights of others. +// ---------------------------------------------------------------------------- +// File Name : at91rm9200_i2c.h +// Object : AT91RM9200 / TWI definitions +// Generated : AT91 SW Application Group 12/03/2002 (10:48:02) +// +// ---------------------------------------------------------------------------- + +#ifndef AT91RM9200_TWI_H +#define AT91RM9200_TWI_H + +// ***************************************************************************** +// SOFTWARE API DEFINITION FOR Two-wire Interface +// ***************************************************************************** +#ifndef __ASSEMBLY__ + +typedef struct _AT91S_TWI { + AT91_REG TWI_CR; // Control Register + AT91_REG TWI_MMR; // Master Mode Register + AT91_REG TWI_SMR; // Slave Mode Register + AT91_REG TWI_IADR; // Internal Address Register + AT91_REG TWI_CWGR; // Clock Waveform Generator Register + AT91_REG Reserved0[3]; // + AT91_REG TWI_SR; // Status Register + AT91_REG TWI_IER; // Interrupt Enable Register + AT91_REG TWI_IDR; // Interrupt Disable Register + AT91_REG TWI_IMR; // Interrupt Mask Register + AT91_REG TWI_RHR; // Receive Holding Register + AT91_REG TWI_THR; // Transmit Holding Register + AT91_REG Reserved1[50]; // + AT91_REG TWI_RPR; // Receive Pointer Register + AT91_REG TWI_RCR; // Receive Counter Register + AT91_REG TWI_TPR; // Transmit Pointer Register + AT91_REG TWI_TCR; // Transmit Counter Register + AT91_REG TWI_RNPR; // Receive Next Pointer Register + AT91_REG TWI_RNCR; // Receive Next Counter Register + AT91_REG TWI_TNPR; // Transmit Next Pointer Register + AT91_REG TWI_TNCR; // Transmit Next Counter Register + AT91_REG TWI_PTCR; // PDC Transfer Control Register + AT91_REG TWI_PTSR; // PDC Transfer Status Register +} AT91S_TWI, *AT91PS_TWI; + +#endif + +// -------- TWI_CR : (TWI Offset: 0x0) TWI Control Register -------- +#define AT91C_TWI_START ( 0x1 << 0) // (TWI) Send a START Condition +#define AT91C_TWI_STOP ( 0x1 << 1) // (TWI) Send a STOP Condition +#define AT91C_TWI_MSEN ( 0x1 << 2) // (TWI) TWI Master Transfer Enabled +#define AT91C_TWI_MSDIS ( 0x1 << 3) // (TWI) TWI Master Transfer Disabled +#define AT91C_TWI_SVEN ( 0x1 << 4) // (TWI) TWI Slave Transfer Enabled +#define AT91C_TWI_SVDIS ( 0x1 << 5) // (TWI) TWI Slave Transfer Disabled +#define AT91C_TWI_SWRST ( 0x1 << 7) // (TWI) Software Reset +// -------- TWI_MMR : (TWI Offset: 0x4) TWI Master Mode Register -------- +#define AT91C_TWI_IADRSZ ( 0x3 << 8) // (TWI) Internal Device Address Size +#define AT91C_TWI_IADRSZ_NO ( 0x0 << 8) // (TWI) No internal device address +#define AT91C_TWI_IADRSZ_1_BYTE ( 0x1 << 8) // (TWI) One-byte internal device address +#define AT91C_TWI_IADRSZ_2_BYTE ( 0x2 << 8) // (TWI) Two-byte internal device address +#define AT91C_TWI_IADRSZ_3_BYTE ( 0x3 << 8) // (TWI) Three-byte internal device address +#define AT91C_TWI_MREAD ( 0x1 << 12) // (TWI) Master Read Direction +#define AT91C_TWI_DADR ( 0x7F << 6) // (TWI) Device Address +// -------- TWI_SMR : (TWI Offset: 0x8) TWI Slave Mode Register -------- +#define AT91C_TWI_SADR ( 0x7F << 16) // (TWI) Slave Device Address +// -------- TWI_CWGR : (TWI Offset: 0x10) TWI Clock Waveform Generator Register -------- +#define AT91C_TWI_CLDIV ( 0xFF << 0) // (TWI) Clock Low Divider +#define AT91C_TWI_CHDIV ( 0xFF << 8) // (TWI) Clock High Divider +#define AT91C_TWI_CKDIV ( 0x7 << 16) // (TWI) Clock Divider +// -------- TWI_SR : (TWI Offset: 0x20) TWI Status Register -------- +#define AT91C_TWI_TXCOMP ( 0x1 << 0) // (TWI) Transmission Completed +#define AT91C_TWI_RXRDY ( 0x1 << 1) // (TWI) Receive holding register ReaDY +#define AT91C_TWI_TXRDY ( 0x1 << 2) // (TWI) Transmit holding register ReaDY +#define AT91C_TWI_SVREAD ( 0x1 << 3) // (TWI) Slave Read +#define AT91C_TWI_SVACC ( 0x1 << 4) // (TWI) Slave Access +#define AT91C_TWI_GCACC ( 0x1 << 5) // (TWI) General Call Access +#define AT91C_TWI_OVRE ( 0x1 << 6) // (TWI) Overrun Error +#define AT91C_TWI_UNRE ( 0x1 << 7) // (TWI) Underrun Error +#define AT91C_TWI_NACK ( 0x1 << 8) // (TWI) Not Acknowledged +#define AT91C_TWI_ARBLST ( 0x1 << 9) // (TWI) Arbitration Lost +// -------- TWI_IER : (TWI Offset: 0x24) TWI Interrupt Enable Register -------- +// -------- TWI_IDR : (TWI Offset: 0x28) TWI Interrupt Disable Register -------- +// -------- TWI_IMR : (TWI Offset: 0x2c) TWI Interrupt Mask Register -------- + +/* + i2c Support for Atmel's AT91RM9200 Two-Wire Interface + + (c) Rick Bronson + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef AT91_I2C_H +#define AT91_I2C_H + +#define AT91C_TWI_CLOCK 100000 +#define AT91C_TWI_SCLOCK (10 * AT91C_MASTER_CLOCK / AT91C_TWI_CLOCK) +#define AT91C_TWI_CKDIV1 (2 << 16) /* TWI clock divider. NOTE: see Errata #22 */ + +#if (AT91C_TWI_SCLOCK % 10) >= 5 +#define AT91C_TWI_CLDIV2 ((AT91C_TWI_SCLOCK / 10) - 5) +#else +#define AT91C_TWI_CLDIV2 ((AT91C_TWI_SCLOCK / 10) - 6) +#endif +#define AT91C_TWI_CLDIV3 ((AT91C_TWI_CLDIV2 + (4 - AT91C_TWI_CLDIV2 % 4)) >> 2) + +#define AT91C_EEPROM_I2C_ADDRESS (0x50 << 16) + +#endif +#endif diff --git a/include/configs/cmc_pu2.h b/include/configs/cmc_pu2.h new file mode 100644 index 000000000..03f5dde8e --- /dev/null +++ b/include/configs/cmc_pu2.h @@ -0,0 +1,225 @@ +/* + * Rick Bronson <rick@efn.org> + * + * Configuation settings for the AT91RM9200DK 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 + +/* + * If we are developing, we might want to start armboot from ram + * so we MUST NOT initialize critical regs like mem-timing ... + */ +#define CONFIG_INIT_CRITICAL /* undef for developing */ + +/* ARM asynchronous clock */ +#define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 39) */ +#define AT91C_MASTER_CLOCK 59904000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */ +/* #define AT91C_MASTER_CLOCK 44928000 */ /* peripheral clock (AT91C_MASTER_CLOCK / 4) */ + +#define AT91_SLOW_CLOCK 32768 /* slow clock */ + +#define CONFIG_AT91RM9200DK 1 /* on an AT91RM9200DK Board */ +#define CONFIG_CMC_PU2 1 /* on an CMC_PU2 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 this to include the functionality of boot.bin in u-boot */ +#undef CONFIG_BOOTBINFUNC + +/* + * Size of malloc() pool + */ +#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +#define CONFIG_BAUDRATE 9600 + +#define CFG_AT91C_BRGR_DIVISOR 390 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK /(baudrate * 16) */ + +/* + * Hardware drivers + */ + +/* define one of these to choose the DBGU, USART0 or USART1 as console */ +#undef CONFIG_DBGU +#undef CONFIG_USART0 +#define CONFIG_USART1 + +#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */ + +#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */ + +#define CONFIG_HARD_I2C + +#ifdef CONFIG_HARD_I2C +#define CFG_I2C_SPEED 0 /* not used */ +#define CFG_I2C_SLAVE 0 /* not used */ +#define CONFIG_RTC_RS5C372A /* RICOH I2C RTC */ +#define CFG_I2C_RTC_ADDR 0x32 +#define CFG_I2C_EEPROM_ADDR 0x50 +#define CFG_I2C_EEPROM_ADDR_LEN 1 +#define CFG_I2C_EEPROM_ADDR_OVERFLOW +#endif + +#define CONFIG_BOOTDELAY 3 +/* #define CONFIG_ENV_OVERWRITE 1 */ + +#ifdef CONFIG_HARD_I2C +#define CONFIG_COMMANDS \ + ((CONFIG_CMD_DFL | \ + CFG_CMD_I2C | \ + CFG_CMD_EEPROM | \ + CFG_CMD_DHCP ) & \ + ~(CFG_CMD_BDI | \ + CFG_CMD_IMI | \ + CFG_CMD_AUTOSCRIPT | \ + CFG_CMD_FPGA | \ + CFG_CMD_MISC | \ + CFG_CMD_LOADS )) +#else +#define CONFIG_COMMANDS \ + ((CONFIG_CMD_DFL | \ + CFG_CMD_DHCP ) & \ + ~(CFG_CMD_BDI | \ + CFG_CMD_IMI | \ + CFG_CMD_AUTOSCRIPT | \ + CFG_CMD_FPGA | \ + CFG_CMD_MISC | \ + CFG_CMD_LOADS )) +#endif + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ +#define SECTORSIZE 512 + +#define ADDR_COLUMN 1 +#define ADDR_PAGE 2 +#define ADDR_COLUMN_PAGE 3 + +#define NAND_ChipID_UNKNOWN 0x00 +#define NAND_MAX_FLOORS 1 +#define NAND_MAX_CHIPS 1 + +#define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */ +#define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */ + +#define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0) +#define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0) + +#define NAND_WAIT_READY(nand) while (!(*AT91C_PIOC_PDSR & AT91C_PIO_PC2)) + +#define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_CLE) = (__u8)(d); } while(0) +#define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_ALE) = (__u8)(d); } while(0) +#define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0) +#define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr)) +/* the following are NOP's in our implementation */ +#define NAND_CTL_CLRALE(nandptr) +#define NAND_CTL_SETALE(nandptr) +#define NAND_CTL_CLRCLE(nandptr) +#define NAND_CTL_SETCLE(nandptr) + +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM 0x20000000 +#define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */ + +#define CFG_MEMTEST_START PHYS_SDRAM +#define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144 + +#define CONFIG_DRIVER_ETHER +#define CONFIG_NET_RETRY_COUNT 20 +#define CONFIG_AT91C_USE_RMII + +#define CONFIG_HAS_DATAFLASH 1 +#define CFG_SPI_WRITE_TOUT (5*CFG_HZ) +#define CFG_MAX_DATAFLASH_BANKS 2 +#define CFG_MAX_DATAFLASH_PAGES 16384 +#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */ +#define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */ + +#define PHYS_FLASH_1 0x10000000 +#define PHYS_FLASH_SIZE 0x200000 /* 2 megs main flash */ +#define CFG_FLASH_BASE PHYS_FLASH_1 +#define CFG_MAX_FLASH_BANKS 1 +#define CFG_MAX_FLASH_SECT 256 +#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */ +#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */ + +#undef CFG_ENV_IS_IN_DATAFLASH + +#ifdef CFG_ENV_IS_IN_DATAFLASH +#define CFG_ENV_OFFSET 0x20000 +#define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET) +#define CFG_ENV_SIZE 0x2000 /* 0x8000 */ +#else +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* 0x10000 */ +#define CFG_ENV_SIZE 0x2000 /* 0x8000 */ +#endif + + +#define CFG_LOAD_ADDR 0x21000000 /* default load address */ + +#define CFG_BOOT_SIZE 0x6000 /* 24 KBytes */ +#define CFG_U_BOOT_BASE (PHYS_FLASH_1 + 0x10000) +#define CFG_U_BOOT_SIZE 0x10000 /* 64 KBytes */ + +#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 */ + +#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 CFG_HZ AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */ + /* AT91C_TC_TIMER_DIV1_CLOCK */ + +#define CONFIG_STACKSIZE (32*1024) /* regular stack */ + +#ifdef CONFIG_USE_IRQ +#error CONFIG_USE_IRQ not supported +#endif + +#endif |