diff options
Diffstat (limited to 'include/configs/TQM885D.h')
| -rw-r--r-- | include/configs/TQM885D.h | 77 |
1 files changed, 42 insertions, 35 deletions
diff --git a/include/configs/TQM885D.h b/include/configs/TQM885D.h index f36b729..8a3aa4b 100644 --- a/include/configs/TQM885D.h +++ b/include/configs/TQM885D.h @@ -42,17 +42,10 @@ #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */ #define CFG_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */ #define CFG_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */ -#define CONFIG_8xx_CPUCLK_DEFAULT 66000000 /* 50 MHz - CPU default clock */ +#define CONFIG_8xx_CPUCLK_DEFAULT 66000000 /* 66 MHz - CPU default clock */ /* (it will be used if there is no */ /* 'cpuclk' variable with valid value) */ -#define CFG_MEASURE_CPUCLK /* Measure real cpu clock */ - /* (function measure_gclk() */ - /* will be called) */ -#ifdef CFG_MEASURE_CPUCLK -#define CFG_8XX_XIN 10000000 /* measure_gclk() needs this */ -#endif - #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ @@ -83,9 +76,15 @@ "bootm ${kernel_addr} ${ramdisk_addr}\0" \ "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \ "rootpath=/opt/eldk/ppc_8xx\0" \ - "bootfile=/tftpboot/TQM866M/uImage\0" \ - "kernel_addr=40080000\0" \ - "ramdisk_addr=40180000\0" \ + "bootfile=/tftpboot/TQM885D/uImage\0" \ + "fdt_addr=400C0000\0" \ + "kernel_addr=40100000\0" \ + "ramdisk_addr=40280000\0" \ + "load=tftp 200000 ${u-boot}\0" \ + "update=protect off 40000000 +${filesize};" \ + "erase 40000000 +${filesize};" \ + "cp.b 200000 40000000 ${filesize};" \ + "protect on 40000000 +${filesize}\0" \ "" #define CONFIG_BOOTCOMMAND "run flash_self" @@ -144,7 +143,7 @@ #define CONFIG_MAC_PARTITION #define CONFIG_DOS_PARTITION -#undef CONFIG_RTC_MPC8xx /* MPC866 does not support RTC */ +#undef CONFIG_RTC_MPC8xx /* MPC885 does not support RTC */ #define CONFIG_TIMESTAMP /* but print image timestmps */ @@ -230,7 +229,7 @@ #define CFG_FLASH_BASE 0x40000000 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #define CFG_MONITOR_BASE CFG_FLASH_BASE -#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ +#define CFG_MALLOC_LEN (256 << 10) /* Reserve 128 kB for malloc() */ /* * For booting Linux, the board info and command line data @@ -242,16 +241,20 @@ /*----------------------------------------------------------------------- * FLASH organization */ -#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ -#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ -#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ -#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ +/* use CFI flash driver */ +#define CFG_FLASH_CFI 1 /* Flash is CFI conformant */ +#define CFG_FLASH_CFI_DRIVER 1 /* Use the common driver */ +#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE } +#define CFG_FLASH_EMPTY_INFO +#define CFG_FLASH_USE_BUFFER_WRITE 1 +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */ -#define CFG_ENV_SIZE 0x08000 /* Total Size of Environment Sector */ -#define CFG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */ +#define CFG_ENV_SIZE 0x08000 /* Total Size of Environment */ +#define CFG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */ /* Address and size of Redundant Environment Sector */ #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE) @@ -434,26 +437,30 @@ #define CFG_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64)) /* - * Memory Periodic Timer Prescaler - * Periodic timer for refresh, start with refresh rate for 40 MHz clock - * (CFG_8xx_CPUCLK_MIN / CFG_PTA_PER_CLK) + * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad) + * + * CPUclock(MHz) * 31.2 + * CFG_MAMR_PTA = ----------------------------------- with DFBRG = 0 + * 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16 + * + * CPU clock = 15 MHz: CFG_MAMR_PTA = 29 -> 4 * 7.73 us + * CPU clock = 50 MHz: CFG_MAMR_PTA = 97 -> 4 * 7.76 us + * CPU clock = 66 MHz: CFG_MAMR_PTA = 128 -> 4 * 7.75 us + * CPU clock = 133 MHz: CFG_MAMR_PTA = 255 -> 4 * 7.67 us + * + * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will + * be met also in the default configuration, i.e. if environment variable + * 'cpuclk' is not set. */ -#define CFG_MAMR_PTA 39 +#define CFG_MAMR_PTA 128 /* - * For 16 MBit, refresh rates could be 31.3 us - * (= 64 ms / 2K = 125 / quad bursts). - * For a simpler initialization, 15.6 us is used instead. - * - * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks - * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank + * Memory Periodic Timer Prescaler Register (MPTPR) values. */ -#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ -#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ - -/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ -#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ -#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ +/* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */ +#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 +/* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */ +#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* * MAMR settings for SDRAM |