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authorStefan Roese <sr@denx.de>2006-02-28 15:33:28 +0100
committerStefan Roese <sr@denx.de>2006-02-28 15:33:28 +0100
commit58ad4978330aefd6bdce72906f809bcfb6c94710 (patch)
tree84178743cb494c7c98409e4b86339cc67f4e9189 /board/mcc200/mcc200.c
parent79b4cda076069d04122f0d863bcb822b5e596c93 (diff)
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Convert mcc200 to use common CFI flash driver
Patch by Stefan Roese, 28 Feb 2006
Diffstat (limited to 'board/mcc200/mcc200.c')
-rw-r--r--board/mcc200/mcc200.c82
1 files changed, 47 insertions, 35 deletions
diff --git a/board/mcc200/mcc200.c b/board/mcc200/mcc200.c
index d7f95c8..4707390 100644
--- a/board/mcc200/mcc200.c
+++ b/board/mcc200/mcc200.c
@@ -36,6 +36,8 @@
#include "mt48lc8m32b2-6-7.h"
#endif
+extern flash_info_t flash_info[]; /* FLASH chips info */
+
//###CHD: wenn RAMBOOT gehen wuerde, ....
#ifndef CFG_RAMBOOT
static void sdram_start (int hi_addr)
@@ -244,46 +246,56 @@ int checkboard (void)
return 0;
}
-void flash_preinit(void)
+int misc_init_r (void)
{
+ DECLARE_GLOBAL_DATA_PTR;
+
/*
- * Now, when we are in RAM, enable flash write
- * access for detection process.
- * Note that CS_BOOT cannot be cleared when
- * executing in flash.
+ * Adjust flash start and offset to detected values
*/
-#if defined(CONFIG_MGT5100)
- *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 25); /* disable CS_BOOT */
- *(vu_long *)MPC5XXX_ADDECR |= (1 << 16); /* enable CS0 */
-#endif
- *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
-}
-
-void flash_afterinit(ulong start, ulong size)
-{
-#if defined(CONFIG_BOOT_ROM)
- /* adjust mapping */
- *(vu_long *)MPC5XXX_CS1_START =
- START_REG(start);
- *(vu_long *)MPC5XXX_CS1_STOP =
- STOP_REG(start, size);
-#else
- /* adjust mapping */
- *(vu_long *)MPC5XXX_BOOTCS_START = *(vu_long *)MPC5XXX_CS0_START =
- START_REG(start);
- *(vu_long *)MPC5XXX_BOOTCS_STOP = *(vu_long *)MPC5XXX_CS0_STOP =
- STOP_REG(start, size);
-#endif
-}
-
+ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+ gd->bd->bi_flashoffset = 0;
-extern flash_info_t flash_info[]; /* info for FLASH chips */
+ /*
+ * Check if boot FLASH isn't max size
+ */
+ if (gd->bd->bi_flashsize < (0 - CFG_FLASH_BASE)) {
+ /* adjust mapping */
+ *(vu_long *)MPC5XXX_BOOTCS_START = *(vu_long *)MPC5XXX_CS0_START =
+ START_REG(gd->bd->bi_flashstart);
+ *(vu_long *)MPC5XXX_BOOTCS_STOP = *(vu_long *)MPC5XXX_CS0_STOP =
+ STOP_REG(gd->bd->bi_flashstart, gd->bd->bi_flashsize);
+
+ /*
+ * Re-check to get correct base address
+ */
+ flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1);
+
+ /*
+ * Re-do flash protection upon new addresses
+ */
+ flash_protect (FLAG_PROTECT_CLEAR,
+ gd->bd->bi_flashstart, 0xffffffff,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+ /* Monitor protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+ /* Environment protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+ /* Redundant environment protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR_REDUND,
+ CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
+ &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+ }
-int misc_init_r (void)
-{
- DECLARE_GLOBAL_DATA_PTR;
- /* adjust flash start */
- gd->bd->bi_flashstart = flash_info[0].start[0];
return (0);
}