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