diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/common.h | 2 | ||||
| -rw-r--r-- | include/configs/TQM866M.h | 205 |
2 files changed, 72 insertions, 135 deletions
diff --git a/include/common.h b/include/common.h index 206f8cf..c04a9d3 100644 --- a/include/common.h +++ b/include/common.h @@ -355,6 +355,8 @@ int serial_tstc (void); /* $(CPU)/speed.c */ int get_clocks (void); +int get_clocks_866 (void); +int sdram_adjust_866 (void); #if defined(CONFIG_8260) int prt_8260_clks (void); #endif diff --git a/include/configs/TQM866M.h b/include/configs/TQM866M.h index 0219836..31f6d73 100644 --- a/include/configs/TQM866M.h +++ b/include/configs/TQM866M.h @@ -12,7 +12,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -36,27 +36,32 @@ #define CONFIG_MPC866 1 /* This is a MPC866 CPU */ #define CONFIG_TQM866M 1 /* ...on a TQM8xxM module */ -#define CFG_8XX_XIN 10000000 /* XXX XXX XXX */ +#define CFG_866_OSCCLK 10000000 /* 10 MHz - PLL input clock */ +#define CFG_866_CPUCLK_MIN 40000000 /* 40 MHz - CPU minimum clock */ +#define CFG_866_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */ +#define CFG_866_CPUCLK_DEFAULT 100000000 /* 100 MHz - CPU default clock */ + /* (it will be used if there is no */ + /* 'cpuclk' variable with valid value) */ -#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ +#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #undef CONFIG_8xx_CONS_SMC2 #undef CONFIG_8xx_CONS_NONE #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ -#define CONFIG_BOOTCOUNT_LIMIT +#define CONFIG_BOOTCOUNT_LIMIT #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #define CONFIG_BOARD_TYPES 1 /* support board types */ -#define CONFIG_PREBOOT "echo;" \ +#define CONFIG_PREBOOT "echo;" \ "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ "echo" #undef CONFIG_BOOTARGS -#define CONFIG_EXTRA_ENV_SETTINGS \ +#define CONFIG_EXTRA_ENV_SETTINGS \ "netdev=eth0\0" \ "nfsargs=setenv bootargs root=/dev/nfs rw " \ "nfsroot=$(serverip):$(rootpath)\0" \ @@ -81,13 +86,13 @@ #undef CONFIG_WATCHDOG /* watchdog disabled */ -#define CONFIG_STATUS_LED 1 /* Status LED enabled */ +#define CONFIG_STATUS_LED 1 /* Status LED enabled */ #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ /* enable I2C and select the hardware/software driver */ #undef CONFIG_HARD_I2C /* I2C with hardware support */ -#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ +#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ #define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */ #define CFG_I2C_SLAVE 0xFE @@ -104,14 +109,14 @@ #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ - else immr->im_cpm.cp_pbdat &= ~PB_SDA + else immr->im_cpm.cp_pbdat &= ~PB_SDA #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ - else immr->im_cpm.cp_pbdat &= ~PB_SCL + else immr->im_cpm.cp_pbdat &= ~PB_SCL #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */ #endif /* CONFIG_SOFT_I2C */ #define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C256 */ -#define CFG_I2C_EEPROM_ADDR_LEN 2 /* two byte address */ +#define CFG_I2C_EEPROM_ADDR_LEN 2 /* two byte address */ #define CFG_EEPROM_PAGE_WRITE_BITS 4 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */ @@ -120,7 +125,7 @@ #define CONFIG_MAC_PARTITION #define CONFIG_DOS_PARTITION -#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ +#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \ CFG_CMD_ASKENV | \ @@ -136,31 +141,31 @@ /* * Miscellaneous configurable options */ -#define CFG_LONGHELP /* undef to save memory */ -#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ #if 0 -#define CFG_HUSH_PARSER 1 /* use "hush" command parser */ +#define CFG_HUSH_PARSER 1 /* use "hush" command parser */ #endif #ifdef CFG_HUSH_PARSER -#define CFG_PROMPT_HUSH_PS2 "> " +#define CFG_PROMPT_HUSH_PS2 "> " #endif #if (CONFIG_COMMANDS & CFG_CMD_KGDB) -#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ #else -#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ #endif -#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print 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_MAXARGS 16 /* max number of command args */ #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ -#define CFG_LOAD_ADDR 0x100000 /* default load address */ +#define CFG_LOAD_ADDR 0x100000 /* default load address */ -#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } @@ -178,28 +183,28 @@ * Definitions for initial stack pointer and data area (in DPRAM) */ #define CFG_INIT_RAM_ADDR CFG_IMMR -#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ -#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ +#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ +#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) -#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET /*----------------------------------------------------------------------- * Start addresses for the final memory configuration * (Set up by the startup code) * Please note that CFG_SDRAM_BASE _must_ start at 0 */ -#define CFG_SDRAM_BASE 0x00000000 +#define CFG_SDRAM_BASE 0x00000000 #define CFG_FLASH_BASE 0x40000000 -#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ +#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 (128 << 10) /* Reserve 128 kB for malloc() */ /* * 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 CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ /*----------------------------------------------------------------------- * FLASH organization @@ -210,10 +215,10 @@ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ -#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_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 */ /* Address and size of Redundant Environment Sector */ #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SECT_SIZE) @@ -223,7 +228,7 @@ * Hardware Information Block */ #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */ -#define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */ +#define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */ #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */ /*----------------------------------------------------------------------- @@ -252,7 +257,7 @@ *----------------------------------------------------------------------- * PCMCIA config., multi-function pin tri-state */ -#ifndef CONFIG_CAN_DRIVER +#ifndef CONFIG_CAN_DRIVER #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) #else /* we must activate GPL5 in the SIUMCR for CAN */ #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01) @@ -279,51 +284,15 @@ #define CFG_PISCR (PISCR_PS | PISCR_PITF) /*----------------------------------------------------------------------- - * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 - *----------------------------------------------------------------------- - * Reset PLL lock status sticky bit, timer expired status bit and timer - * interrupt status bit - * - * set PLL multiplication factor - */ -#if defined(CONFIG_133MHz) - /* for 133 MHz, we use a 10 MHz clock: - * MFN = 0x09, MFD = 0x1D, S = 0, MFI = 13 - */ -#define CFG_PLPRCR \ - ( 9 << PLPRCR_MFN_SHIFT | 0x1D << PLPRCR_MFD_SHIFT | \ - 0 << PLPRCR_S_SHIFT | 0x0D << PLPRCR_MFI_SHIFT | \ - PLPRCR_TEXPS ) -#elif defined(CONFIG_80MHz) /* for 80 MHz, we use a 16 MHz clock * 5 */ -#define CFG_PLPRCR \ - ( (5-1)<<PLPRCR_MFI_SHIFT | PLPRCR_TEXPS ) -#else /* up to 66 MHz we use a 1:1 clock */ -#define CFG_PLPRCR ( PLPRCR_SPLSS | PLPRCR_TEXPS ) -#endif /* CONFIG_??MHz */ - -/*----------------------------------------------------------------------- * SCCR - System Clock and reset Control Register 15-27 *----------------------------------------------------------------------- * Set clock output, timebase and RTC source and divider, * power management and some other internal clocks */ #define SCCR_MASK SCCR_EBDF11 -#if defined(CONFIG_133MHz) /* for 133 MHz, we use a 10 MHz clock * 13 */ -#define CFG_SCCR (/* SCCR_TBS | */ \ - SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ - SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ - SCCR_DFALCD00) -#elif defined(CONFIG_80MHz) /* for 80 MHz, we use a 16 MHz clock * 5 */ -#define CFG_SCCR (/* SCCR_TBS | */ \ - SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ - SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ - SCCR_DFALCD00) -#else /* up to 66 MHz we use a 1:1 clock */ -#define CFG_SCCR (SCCR_TBS | \ - SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ +#define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ SCCR_DFALCD00) -#endif /* CONFIG_??MHz */ /*----------------------------------------------------------------------- * PCMCIA stuff @@ -344,10 +313,10 @@ *----------------------------------------------------------------------- */ -#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ +#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ -#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ -#undef CONFIG_IDE_LED /* LED for ide not supported */ +#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ +#undef CONFIG_IDE_LED /* LED for ide not supported */ #undef CONFIG_IDE_RESET /* reset for ide not supported */ #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */ @@ -371,7 +340,7 @@ *----------------------------------------------------------------------- * */ -#define CFG_DER 0 +#define CFG_DER 0 /* * Init Memory Controller: @@ -390,27 +359,10 @@ #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ /* - * FLASH timing: + * FLASH timing: Default value of OR0 after reset */ -#if defined(CONFIG_133MHz) -/* 133 MHz CPU - 66 MHz bus: */ -#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ - OR_SCY_3_CLK | OR_EHTR | OR_BI) -#elif defined(CONFIG_100MHz) -/* 100 MHz CPU - 50 MHz bus: */ -#elif defined(CONFIG_80MHz) -/* 80 MHz CPU - 40 MHz bus: ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */ -#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | 0 | OR_CSNT_SAM | \ - OR_SCY_3_CLK | OR_EHTR | OR_BI) -#elif defined(CONFIG_66MHz) -/* 66 MHz CPU - 66 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */ -#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ - OR_SCY_3_CLK | OR_EHTR | OR_BI) -#else /* 50 MHz */ -/* 50 MHz CPU - 50 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 2, EHTR = 1 */ -#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ - OR_SCY_2_CLK | OR_EHTR | OR_BI) -#endif /*CONFIG_??MHz */ +#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \ + OR_SCY_15_CLK | OR_TRLX) #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) @@ -426,7 +378,7 @@ */ #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */ -#define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */ +#define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */ /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ #define CFG_OR_TIMING_SDRAM 0x00000A00 @@ -434,11 +386,11 @@ #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM ) #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) -#ifndef CONFIG_CAN_DRIVER -#define CFG_OR3_PRELIM CFG_OR2_PRELIM +#ifndef CONFIG_CAN_DRIVER +#define CFG_OR3_PRELIM CFG_OR2_PRELIM #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */ -#define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */ +#define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */ #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */ #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI) #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \ @@ -446,42 +398,21 @@ #endif /* CONFIG_CAN_DRIVER */ /* + * + * 4096 Rows from SDRAM example configuration + * 1000 factor s -> ms + * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration + * 4 Number of refresh cycles per period + * 64 Refresh cycle in ms per number of rows + */ +#define CFG_866_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64)) + +/* * Memory Periodic Timer Prescaler - * - * The Divider for PTA (refresh timer) configuration is based on an - * example SDRAM configuration (64 MBit, one bank). The adjustment to - * the number of chip selects (NCS) and the actually needed refresh - * rate is done by setting MPTPR. - * - * PTA is calculated from - * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) - * - * gclk CPU clock (not bus clock!) - * Trefresh Refresh cycle * 4 (four word bursts used) - * - * 4096 Rows from SDRAM example configuration - * 1000 factor s -> ms - * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration - * 4 Number of refresh cycles per period - * 64 Refresh cycle in ms per number of rows - * -------------------------------------------- - * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 - * - * 50 MHz => 50.000.000 / Divider = 98 - * 66 Mhz => 66.000.000 / Divider = 129 - * 80 Mhz => 80.000.000 / Divider = 156 + * Periodic timer for refresh, start with refresh rate for 40 MHz clock + * (CFG_866_CPUCLK_MIN / CFG_866_PTA_PER_CLK) */ -#if defined(CONFIG_133MHz) -#define CFG_MAMR_PTA 129 -#elif defined(CONFIG_100MHz) -#define CFG_MAMR_PTA 98 -#elif defined(CONFIG_80MHz) -#define CFG_MAMR_PTA 156 -#elif defined(CONFIG_66MHz) -#define CFG_MAMR_PTA 129 -#else /* 50 MHz */ -#define CFG_MAMR_PTA 98 -#endif /*CONFIG_??MHz */ +#define CFG_MAMR_PTA 39 /* * For 16 MBit, refresh rates could be 31.3 us @@ -510,13 +441,17 @@ #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) +/* 10 column SDRAM */ +#define CFG_MAMR_10COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ + MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \ + MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) /* * Internal Definitions * * Boot Flags */ -#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #define CONFIG_SCC1_ENET |