| /* |
| * (C) Copyright 2001-2005 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| /* |
| * board/config.h - configuration options, board specific |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* |
| * Imported from global configuration: |
| * CONFIG_MPC8255 |
| * CONFIG_MPC8265 |
| * CONFIG_200MHz |
| * CONFIG_266MHz |
| * CONFIG_300MHz |
| * CONFIG_L2_CACHE |
| * CONFIG_BUSMODE_60x |
| */ |
| |
| /* |
| * High Level Configuration Options |
| * (easy to change) |
| */ |
| |
| #define CONFIG_SYS_TEXT_BASE 0x40000000 |
| |
| #define CONFIG_MPC8260 1 /* This is a MPC8260 CPU */ |
| |
| #if 0 |
| #define CONFIG_TQM8260 100 /* ...on a TQM8260 module Rev.100 */ |
| #else |
| #define CONFIG_TQM8260 200 /* ...on a TQM8260 module Rev.200 */ |
| #endif |
| |
| #define CONFIG_CPM2 1 /* Has a CPM2 */ |
| |
| #define CONFIG_82xx_CONS_SMC1 1 /* console on SMC1 */ |
| |
| #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
| |
| #define CONFIG_BOOTCOUNT_LIMIT |
| |
| #define CONFIG_BAUDRATE 115200 |
| |
| #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo" |
| |
| #undef CONFIG_BOOTARGS |
| |
| #define CONFIG_EXTRA_ENV_SETTINGS \ |
| "netdev=eth0\0" \ |
| "nfsargs=setenv bootargs root=/dev/nfs rw " \ |
| "nfsroot=${serverip}:${rootpath}\0" \ |
| "ramargs=setenv bootargs root=/dev/ram rw\0" \ |
| "addip=setenv bootargs ${bootargs} " \ |
| "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ |
| ":${hostname}:${netdev}:off panic=1\0" \ |
| "flash_nfs=run nfsargs addip;" \ |
| "bootm ${kernel_addr}\0" \ |
| "flash_self=run ramargs addip;" \ |
| "bootm ${kernel_addr} ${ramdisk_addr}\0" \ |
| "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \ |
| "rootpath=/opt/eldk/ppc_6xx\0" \ |
| "bootfile=tqm8260/uImage\0" \ |
| "kernel_addr=400C0000\0" \ |
| "ramdisk_addr=40240000\0" \ |
| "" |
| #define CONFIG_BOOTCOMMAND "run flash_self" |
| |
| /* enable I2C and select the hardware/software driver */ |
| #define CONFIG_SYS_I2C |
| #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ |
| #define CONFIG_SYS_I2C_SOFT_SPEED 400000 |
| #define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F |
| |
| /* |
| * Software (bit-bang) I2C driver configuration |
| */ |
| |
| /* TQM8260 Rev.100 has the clock and data pins swapped (!!!) on EEPROM */ |
| #if (CONFIG_TQM8260 <= 100) |
| |
| #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */ |
| #define I2C_ACTIVE (iop->pdir |= 0x00020000) |
| #define I2C_TRISTATE (iop->pdir &= ~0x00020000) |
| #define I2C_READ ((iop->pdat & 0x00020000) != 0) |
| #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00020000; \ |
| else iop->pdat &= ~0x00020000 |
| #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00010000; \ |
| else iop->pdat &= ~0x00010000 |
| #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ |
| |
| #else |
| |
| #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */ |
| #define I2C_ACTIVE (iop->pdir |= 0x00010000) |
| #define I2C_TRISTATE (iop->pdir &= ~0x00010000) |
| #define I2C_READ ((iop->pdat & 0x00010000) != 0) |
| #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \ |
| else iop->pdat &= ~0x00010000 |
| #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \ |
| else iop->pdat &= ~0x00020000 |
| #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ |
| #endif |
| |
| #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 |
| #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 |
| #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 |
| #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */ |
| |
| #define CONFIG_I2C_X |
| |
| /* |
| * select serial console configuration |
| * |
| * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then |
| * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4 |
| * for SCC). |
| * |
| * if CONFIG_CONS_NONE is defined, then the serial console routines must |
| * defined elsewhere (for example, on the cogent platform, there are serial |
| * ports on the motherboard which are used for the serial console - see |
| * cogent/cma101/serial.[ch]). |
| */ |
| #define CONFIG_CONS_ON_SMC /* define if console on SMC */ |
| #undef CONFIG_CONS_ON_SCC /* define if console on SCC */ |
| #undef CONFIG_CONS_NONE /* define if console on something else*/ |
| #ifdef CONFIG_82xx_CONS_SMC1 |
| #define CONFIG_CONS_INDEX 1 /* which serial channel for console */ |
| #endif |
| #ifdef CONFIG_82xx_CONS_SMC2 |
| #define CONFIG_CONS_INDEX 2 /* which serial channel for console */ |
| #endif |
| |
| #undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */ |
| #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */ |
| #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9 */ |
| |
| /* |
| * select ethernet configuration |
| * |
| * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then |
| * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3 |
| * for FCC) |
| * |
| * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be |
| * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset. |
| * |
| * (On TQM8260 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the |
| * X.29 connector, and FCC2 is hardwired to the X.1 connector) |
| */ |
| #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */ |
| #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */ |
| #undef CONFIG_ETHER_NONE /* define if ether on something else */ |
| #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */ |
| |
| #if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1) |
| |
| /* |
| * - RX clk is CLK11 |
| * - TX clk is CLK12 |
| */ |
| # define CONFIG_SYS_CMXSCR_VALUE1 (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12) |
| |
| #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2) |
| |
| /* |
| * - Rx-CLK is CLK13 |
| * - Tx-CLK is CLK14 |
| * - RAM for BD/Buffers is on the 60x Bus (see 28-13) |
| * - Enable Full Duplex in FSMR |
| */ |
| # define CONFIG_SYS_CMXFCR_MASK2 (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK) |
| # define CONFIG_SYS_CMXFCR_VALUE2 (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14) |
| # define CONFIG_SYS_CPMFCR_RAMTYPE 0 |
| # define CONFIG_SYS_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB) |
| |
| #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */ |
| |
| |
| /* system clock rate (CLKIN) - equal to the 60x and local bus speed */ |
| #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265) |
| # define CONFIG_8260_CLKIN 66666666 /* in Hz */ |
| #else /* !CONFIG_MPC8255 && !CONFIG_MPC8265 */ |
| # ifndef CONFIG_300MHz |
| # define CONFIG_8260_CLKIN 66666666 /* in Hz */ |
| # else |
| # define CONFIG_8260_CLKIN 83333000 /* in Hz */ |
| # endif |
| #endif /* CONFIG_MPC8255 */ |
| |
| #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ |
| #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */ |
| |
| #undef CONFIG_WATCHDOG /* watchdog disabled */ |
| |
| #define CONFIG_TIMESTAMP /* Print image info with timestamp */ |
| |
| |
| /* |
| * BOOTP options |
| */ |
| #define CONFIG_BOOTP_SUBNETMASK |
| #define CONFIG_BOOTP_GATEWAY |
| #define CONFIG_BOOTP_HOSTNAME |
| #define CONFIG_BOOTP_BOOTPATH |
| #define CONFIG_BOOTP_BOOTFILESIZE |
| |
| |
| /* |
| * Command line configuration. |
| */ |
| #include <config_cmd_default.h> |
| |
| #define CONFIG_CMD_DHCP |
| #define CONFIG_CMD_I2C |
| #define CONFIG_CMD_EEPROM |
| #define CONFIG_CMD_NFS |
| #define CONFIG_CMD_SNTP |
| |
| |
| /* |
| * Miscellaneous configurable options |
| */ |
| #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
| #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ |
| |
| #define CONFIG_CMDLINE_EDITING 1 /* add command line history */ |
| #define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */ |
| |
| #if defined(CONFIG_CMD_KGDB) |
| #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
| #else |
| #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
| #endif |
| #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ |
| #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ |
| #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ |
| |
| #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */ |
| #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ |
| |
| #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ |
| |
| #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ |
| |
| #define CONFIG_SYS_RESET_ADDRESS 0xFFFFFFFC /* "bad" address */ |
| |
| /* |
| * For booting Linux, the board info and command line data |
| * have to be in the first 8 MB of memory, since this is |
| * the maximum mapped by the Linux kernel during initialization. |
| */ |
| #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
| |
| |
| /* What should the base address of the main FLASH be and how big is |
| * it (in MBytes)? This must contain CONFIG_SYS_TEXT_BASE from board/tqm8260/config.mk |
| * The main FLASH is whichever is connected to *CS0. |
| */ |
| #define CONFIG_SYS_FLASH0_BASE 0x40000000 |
| #define CONFIG_SYS_FLASH1_BASE 0x60000000 |
| #define CONFIG_SYS_FLASH0_SIZE 32 |
| #define CONFIG_SYS_FLASH1_SIZE 32 |
| |
| /* Flash bank size (for preliminary settings) |
| */ |
| #define CONFIG_SYS_FLASH_SIZE CONFIG_SYS_FLASH0_SIZE |
| |
| /*----------------------------------------------------------------------- |
| * FLASH organization |
| */ |
| #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max num of memory banks */ |
| #define CONFIG_SYS_MAX_FLASH_SECT 128 /* max num of sects on one chip */ |
| |
| #define CONFIG_SYS_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */ |
| #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */ |
| |
| /* use CFI flash driver */ |
| #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */ |
| #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */ |
| #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE } |
| #define CONFIG_SYS_FLASH_EMPTY_INFO 1 |
| #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 |
| |
| #define CONFIG_ENV_IS_IN_FLASH 1 |
| #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x40000) |
| #define CONFIG_ENV_SIZE 0x08000 |
| #define CONFIG_ENV_SECT_SIZE 0x40000 |
| #define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE) |
| #define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE |
| |
| /*----------------------------------------------------------------------- |
| * Hardware Information Block |
| */ |
| #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */ |
| #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */ |
| #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */ |
| |
| /*----------------------------------------------------------------------- |
| * Hard Reset Configuration Words |
| * |
| * if you change bits in the HRCW, you must also change the CONFIG_SYS_* |
| * defines for the various registers affected by the HRCW e.g. changing |
| * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR. |
| */ |
| #define __HRCW__ALL__ (HRCW_CIP | HRCW_ISB111 | HRCW_BMS) |
| |
| #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265) |
| # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111) |
| #else /* ! MPC8255 && !MPC8265 */ |
| # if defined(CONFIG_266MHz) |
| # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111) |
| # elif defined(CONFIG_300MHz) |
| # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0110) |
| # else |
| # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__) |
| # endif |
| #endif /* CONFIG_MPC8255 */ |
| |
| /* no slaves so just fill with zeros */ |
| #define CONFIG_SYS_HRCW_SLAVE1 0 |
| #define CONFIG_SYS_HRCW_SLAVE2 0 |
| #define CONFIG_SYS_HRCW_SLAVE3 0 |
| #define CONFIG_SYS_HRCW_SLAVE4 0 |
| #define CONFIG_SYS_HRCW_SLAVE5 0 |
| #define CONFIG_SYS_HRCW_SLAVE6 0 |
| #define CONFIG_SYS_HRCW_SLAVE7 0 |
| |
| /*----------------------------------------------------------------------- |
| * Internal Memory Mapped Register |
| */ |
| #define CONFIG_SYS_IMMR 0xFFF00000 |
| |
| /*----------------------------------------------------------------------- |
| * Definitions for initial stack pointer and data area (in DPRAM) |
| */ |
| #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
| #define CONFIG_SYS_INIT_RAM_SIZE 0x4000 /* Size of used area in DPRAM */ |
| #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) |
| #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET |
| |
| /*----------------------------------------------------------------------- |
| * Start addresses for the final memory configuration |
| * (Set up by the startup code) |
| * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
| * |
| * 60x SDRAM is mapped at CONFIG_SYS_SDRAM_BASE, local SDRAM |
| * is mapped at SDRAM_BASE2_PRELIM. |
| */ |
| #define CONFIG_SYS_SDRAM_BASE 0x00000000 |
| #define CONFIG_SYS_FLASH_BASE CONFIG_SYS_FLASH0_BASE |
| #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE |
| #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
| #define CONFIG_SYS_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc()*/ |
| |
| /*----------------------------------------------------------------------- |
| * Cache Configuration |
| */ |
| #define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8260 CPU */ |
| #if defined(CONFIG_CMD_KGDB) |
| # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */ |
| #endif |
| |
| /*----------------------------------------------------------------------- |
| * HIDx - Hardware Implementation-dependent Registers 2-11 |
| *----------------------------------------------------------------------- |
| * HID0 also contains cache control - initially enable both caches and |
| * invalidate contents, then the final state leaves only the instruction |
| * cache enabled. Note that Power-On and Hard reset invalidate the caches, |
| * but Soft reset does not. |
| * |
| * HID1 has only read-only information - nothing to set. |
| */ |
| #define CONFIG_SYS_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\ |
| HID0_IFEM|HID0_ABE) |
| #define CONFIG_SYS_HID0_FINAL (HID0_IFEM|HID0_ABE) |
| #define CONFIG_SYS_HID2 0 |
| |
| /*----------------------------------------------------------------------- |
| * RMR - Reset Mode Register 5-5 |
| *----------------------------------------------------------------------- |
| * turn on Checkstop Reset Enable |
| */ |
| #define CONFIG_SYS_RMR RMR_CSRE |
| |
| /*----------------------------------------------------------------------- |
| * BCR - Bus Configuration 4-25 |
| *----------------------------------------------------------------------- |
| */ |
| #ifdef CONFIG_BUSMODE_60x |
| #define CONFIG_SYS_BCR (BCR_EBM|BCR_L2C|BCR_LETM|\ |
| BCR_NPQM0|BCR_NPQM1|BCR_NPQM2) /* 60x mode */ |
| #else |
| #define BCR_APD01 0x10000000 |
| #define CONFIG_SYS_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */ |
| #endif |
| |
| /*----------------------------------------------------------------------- |
| * SIUMCR - SIU Module Configuration 4-31 |
| *----------------------------------------------------------------------- |
| */ |
| #if 0 |
| #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC10|SIUMCR_APPC10) |
| #else |
| #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10) |
| #endif |
| |
| |
| /*----------------------------------------------------------------------- |
| * SYPCR - System Protection Control 4-35 |
| * SYPCR can only be written once after reset! |
| *----------------------------------------------------------------------- |
| * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable |
| */ |
| #if defined(CONFIG_WATCHDOG) |
| #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\ |
| SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE) |
| #else |
| #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\ |
| SYPCR_SWRI|SYPCR_SWP) |
| #endif /* CONFIG_WATCHDOG */ |
| |
| /*----------------------------------------------------------------------- |
| * TMCNTSC - Time Counter Status and Control 4-40 |
| *----------------------------------------------------------------------- |
| * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk, |
| * and enable Time Counter |
| */ |
| #define CONFIG_SYS_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE) |
| |
| /*----------------------------------------------------------------------- |
| * PISCR - Periodic Interrupt Status and Control 4-42 |
| *----------------------------------------------------------------------- |
| * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable |
| * Periodic timer |
| */ |
| #define CONFIG_SYS_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE) |
| |
| /*----------------------------------------------------------------------- |
| * SCCR - System Clock Control 9-8 |
| *----------------------------------------------------------------------- |
| * Ensure DFBRG is Divide by 16 |
| */ |
| #define CONFIG_SYS_SCCR 0 |
| |
| /*----------------------------------------------------------------------- |
| * RCCR - RISC Controller Configuration 13-7 |
| *----------------------------------------------------------------------- |
| */ |
| #define CONFIG_SYS_RCCR 0 |
| |
| /* |
| * Init Memory Controller: |
| * |
| * Bank Bus Machine PortSz Device |
| * ---- --- ------- ------ ------ |
| * 0 60x GPCM 64 bit FLASH |
| * 1 60x SDRAM 64 bit SDRAM |
| * 2 Local SDRAM 32 bit SDRAM |
| * |
| */ |
| |
| /* Initialize SDRAM on local bus |
| */ |
| #define CONFIG_SYS_INIT_LOCAL_SDRAM |
| |
| #define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */ |
| |
| /* Minimum mask to separate preliminary |
| * address ranges for CS[0:2] |
| */ |
| #define CONFIG_SYS_GLOBAL_SDRAM_LIMIT (512<<20) /* less than 512 MB */ |
| #define CONFIG_SYS_LOCAL_SDRAM_LIMIT (128<<20) /* less than 128 MB */ |
| |
| #define CONFIG_SYS_MPTPR 0x4000 |
| |
| /*----------------------------------------------------------------------------- |
| * Address for Mode Register Set (MRS) command |
| *----------------------------------------------------------------------------- |
| * In fact, the address is rather configuration data presented to the SDRAM on |
| * its address lines. Because the address lines may be mux'ed externally either |
| * for 8 column or 9 column devices, some bits appear twice in the 8260's |
| * address: |
| * |
| * | (RFU) | (RFU) | WBL | TM | CL | BT | Burst Length | |
| * | BA1 BA0 | A12 : A10 | A9 | A8 A7 | A6 : A4 | A3 | A2 : A0 | |
| * 8 columns mux'ing: | A9 | A10 A21 | A22 : A24 | A25 | A26 : A28 | |
| * 9 columns mux'ing: | A8 | A20 A21 | A22 : A24 | A25 | A26 : A28 | |
| * Settings: | 0 | 0 0 | 0 1 0 | 0 | 0 1 0 | |
| *----------------------------------------------------------------------------- |
| */ |
| #define CONFIG_SYS_MRS_OFFS 0x00000110 |
| |
| |
| /* Bank 0 - FLASH |
| */ |
| #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_FLASH_BASE & BRx_BA_MSK) |\ |
| BRx_PS_64 |\ |
| BRx_MS_GPCM_P |\ |
| BRx_V) |
| |
| #define CONFIG_SYS_OR0_PRELIM (MEG_TO_AM(CONFIG_SYS_FLASH_SIZE) |\ |
| ORxG_CSNT |\ |
| ORxG_ACS_DIV1 |\ |
| ORxG_SCY_3_CLK |\ |
| ORxG_EHTR |\ |
| ORxG_TRLX) |
| |
| /* SDRAM on TQM8260 can have either 8 or 9 columns. |
| * The number affects configuration values. |
| */ |
| |
| /* Bank 1 - 60x bus SDRAM |
| */ |
| #define CONFIG_SYS_PSRT 0x20 |
| #define CONFIG_SYS_LSRT 0x20 |
| #ifndef CONFIG_SYS_RAMBOOT |
| #define CONFIG_SYS_BR1_PRELIM ((CONFIG_SYS_SDRAM_BASE & BRx_BA_MSK) |\ |
| BRx_PS_64 |\ |
| BRx_MS_SDRAM_P |\ |
| BRx_V) |
| |
| #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR1_8COL |
| |
| |
| /* SDRAM initialization values for 8-column chips |
| */ |
| #define CONFIG_SYS_OR1_8COL ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\ |
| ORxS_BPD_4 |\ |
| ORxS_ROWST_PBI1_A7 |\ |
| ORxS_NUMR_12) |
| |
| #define CONFIG_SYS_PSDMR_8COL (PSDMR_PBI |\ |
| PSDMR_SDAM_A15_IS_A5 |\ |
| PSDMR_BSMA_A12_A14 |\ |
| PSDMR_SDA10_PBI1_A8 |\ |
| PSDMR_RFRC_7_CLK |\ |
| PSDMR_PRETOACT_2W |\ |
| PSDMR_ACTTORW_2W |\ |
| PSDMR_LDOTOPRE_1C |\ |
| PSDMR_WRC_2C |\ |
| PSDMR_EAMUX |\ |
| PSDMR_CL_2) |
| |
| /* SDRAM initialization values for 9-column chips |
| */ |
| #define CONFIG_SYS_OR1_9COL ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\ |
| ORxS_BPD_4 |\ |
| ORxS_ROWST_PBI1_A5 |\ |
| ORxS_NUMR_13) |
| |
| #define CONFIG_SYS_PSDMR_9COL (PSDMR_PBI |\ |
| PSDMR_SDAM_A16_IS_A5 |\ |
| PSDMR_BSMA_A12_A14 |\ |
| PSDMR_SDA10_PBI1_A7 |\ |
| PSDMR_RFRC_7_CLK |\ |
| PSDMR_PRETOACT_2W |\ |
| PSDMR_ACTTORW_2W |\ |
| PSDMR_LDOTOPRE_1C |\ |
| PSDMR_WRC_2C |\ |
| PSDMR_EAMUX |\ |
| PSDMR_CL_2) |
| |
| /* Bank 2 - Local bus SDRAM |
| */ |
| #ifdef CONFIG_SYS_INIT_LOCAL_SDRAM |
| #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BRx_BA_MSK) |\ |
| BRx_PS_32 |\ |
| BRx_MS_SDRAM_L |\ |
| BRx_V) |
| |
| #define CONFIG_SYS_OR2_PRELIM CONFIG_SYS_OR2_8COL |
| |
| #define SDRAM_BASE2_PRELIM 0x80000000 |
| |
| /* SDRAM initialization values for 8-column chips |
| */ |
| #define CONFIG_SYS_OR2_8COL ((~(CONFIG_SYS_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\ |
| ORxS_BPD_4 |\ |
| ORxS_ROWST_PBI1_A8 |\ |
| ORxS_NUMR_12) |
| |
| #define CONFIG_SYS_LSDMR_8COL (PSDMR_PBI |\ |
| PSDMR_SDAM_A15_IS_A5 |\ |
| PSDMR_BSMA_A13_A15 |\ |
| PSDMR_SDA10_PBI1_A9 |\ |
| PSDMR_RFRC_7_CLK |\ |
| PSDMR_PRETOACT_2W |\ |
| PSDMR_ACTTORW_2W |\ |
| PSDMR_BL |\ |
| PSDMR_LDOTOPRE_1C |\ |
| PSDMR_WRC_2C |\ |
| PSDMR_CL_2) |
| |
| /* SDRAM initialization values for 9-column chips |
| */ |
| #define CONFIG_SYS_OR2_9COL ((~(CONFIG_SYS_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\ |
| ORxS_BPD_4 |\ |
| ORxS_ROWST_PBI1_A6 |\ |
| ORxS_NUMR_13) |
| |
| #define CONFIG_SYS_LSDMR_9COL (PSDMR_PBI |\ |
| PSDMR_SDAM_A16_IS_A5 |\ |
| PSDMR_BSMA_A13_A15 |\ |
| PSDMR_SDA10_PBI1_A8 |\ |
| PSDMR_RFRC_7_CLK |\ |
| PSDMR_PRETOACT_2W |\ |
| PSDMR_ACTTORW_2W |\ |
| PSDMR_BL |\ |
| PSDMR_LDOTOPRE_1C |\ |
| PSDMR_WRC_2C |\ |
| PSDMR_CL_2) |
| |
| #endif /* CONFIG_SYS_INIT_LOCAL_SDRAM */ |
| |
| #endif /* CONFIG_SYS_RAMBOOT */ |
| |
| #endif /* __CONFIG_H */ |