summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--board/tqm8xx/tqm8xx.c16
-rw-r--r--include/configs/TQM860M.h13
-rw-r--r--include/configs/TQM866M.h49
3 files changed, 47 insertions, 31 deletions
diff --git a/board/tqm8xx/tqm8xx.c b/board/tqm8xx/tqm8xx.c
index 6b206f8..cebdcc0 100644
--- a/board/tqm8xx/tqm8xx.c
+++ b/board/tqm8xx/tqm8xx.c
@@ -354,6 +354,8 @@ long int initdram (int board_type)
udelay (10000);
#ifdef CONFIG_CAN_DRIVER
+ /* UPM initialization for CAN @ CLKOUT <= 66 MHz */
+
/* Initialize OR3 / BR3 */
memctl->memc_or3 = CFG_OR3_CAN;
memctl->memc_br3 = CFG_BR3_CAN;
@@ -362,7 +364,7 @@ long int initdram (int board_type)
memctl->memc_mbmr = MBMR_GPL_B4DIS; /* GPL_B4 ouput line Disable */
/* Initialize UPMB for CAN: single read */
- memctl->memc_mdr = 0xFFFFC004;
+ memctl->memc_mdr = 0xFFFFCC04;
memctl->memc_mcr = 0x0100 | UPMB;
memctl->memc_mdr = 0x0FFFD004;
@@ -374,23 +376,23 @@ long int initdram (int board_type)
memctl->memc_mdr = 0x3FFFC004;
memctl->memc_mcr = 0x0103 | UPMB;
- memctl->memc_mdr = 0xFFFFDC05;
+ memctl->memc_mdr = 0xFFFFDC07;
memctl->memc_mcr = 0x0104 | UPMB;
/* Initialize UPMB for CAN: single write */
- memctl->memc_mdr = 0xFFFCC004;
+ memctl->memc_mdr = 0xFFFCCC04;
memctl->memc_mcr = 0x0118 | UPMB;
- memctl->memc_mdr = 0xCFFCD004;
+ memctl->memc_mdr = 0xCFFCDC04;
memctl->memc_mcr = 0x0119 | UPMB;
- memctl->memc_mdr = 0x0FFCC000;
+ memctl->memc_mdr = 0x3FFCC000;
memctl->memc_mcr = 0x011A | UPMB;
- memctl->memc_mdr = 0x7FFCC004;
+ memctl->memc_mdr = 0xFFFCC004;
memctl->memc_mcr = 0x011B | UPMB;
- memctl->memc_mdr = 0xFFFDCC05;
+ memctl->memc_mdr = 0xFFFDC405;
memctl->memc_mcr = 0x011C | UPMB;
#endif /* CONFIG_CAN_DRIVER */
diff --git a/include/configs/TQM860M.h b/include/configs/TQM860M.h
index 684b86f..fe3a2f0 100644
--- a/include/configs/TQM860M.h
+++ b/include/configs/TQM860M.h
@@ -69,9 +69,14 @@
"net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
"rootpath=/opt/eldk/ppc_8xx\0" \
"bootfile=/tftpboot/TQM860M/uImage\0" \
- "fdt_addr=40080000\0" \
- "kernel_addr=400A0000\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"
@@ -172,7 +177,7 @@
#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 256 kB for malloc() */
/*
* For booting Linux, the board info and command line data
@@ -193,7 +198,7 @@
#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_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)
diff --git a/include/configs/TQM866M.h b/include/configs/TQM866M.h
index 0d77891..ca3c166 100644
--- a/include/configs/TQM866M.h
+++ b/include/configs/TQM866M.h
@@ -81,9 +81,14 @@
"net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
"rootpath=/opt/eldk/ppc_8xx\0" \
"bootfile=/tftpboot/TQM866M/uImage\0" \
- "fdt_addr=40080000\0" \
- "kernel_addr=400A0000\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"
@@ -215,7 +220,7 @@
#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 256 kB for malloc() */
/*
* For booting Linux, the board info and command line data
@@ -236,7 +241,7 @@
#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_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)
@@ -421,26 +426,30 @@
#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 97
/*
- * 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