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TQM85xx: Fix chip select configuration for second FLASH bank

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This patch fixes the re-calculation of the automatic chip select
configuration for boards with two populated FLASH banks.

Signed-off-by: Martin Krause <martin.krause@tqs.de>
This commit is contained in:
Wolfgang Grandegger 2008-06-05 13:12:03 +02:00 committed by Andrew Fleming-AFLEMING
parent 46346f27cd
commit 45dee2e620
1 changed files with 43 additions and 35 deletions
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78
board/tqc/tqm85xx/tqm85xx.c
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@ -275,52 +275,60 @@ int misc_init_r (void)
gd->bd->bi_flashoffset = 0;
/*
* Check if boot FLASH isn't max size
* Recalculate CS configuration if second FLASH bank is available
*/
if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) {
memctl->or0 =
gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff);
memctl->br0 =
gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff);
if (flash_info[0].size > 0) {
memctl->or1 = ((-flash_info[0].size) & 0xffff8000) |
(CFG_OR1_PRELIM & 0x00007fff);
memctl->br1 = gd->bd->bi_flashstart |
(CFG_BR1_PRELIM & 0x00007fff);
/*
* Re-check to get correct base address
* Re-check to get correct base address for bank 1
*/
flash_get_size (gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1);
flash_get_size (gd->bd->bi_flashstart, 0);
} else {
memctl->or1 = 0;
memctl->br1 = 0;
}
/*
* Check if only one FLASH bank is available
* If bank 1 is equipped, bank 0 is mapped after bank 1
*/
if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) {
memctl->or1 = 0;
memctl->br1 = 0;
memctl->or0 = ((-flash_info[1].size) & 0xffff8000) |
(CFG_OR0_PRELIM & 0x00007fff);
memctl->br0 = (gd->bd->bi_flashstart + flash_info[0].size) |
(CFG_BR0_PRELIM & 0x00007fff);
/*
* Re-check to get correct base address for bank 0
*/
flash_get_size (gd->bd->bi_flashstart + flash_info[0].size, 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]);
/*
* 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]);
/* 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]);
/* 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]);
}
#ifdef CFG_ENV_ADDR_REDUND
/* 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]);
#endif
return 0;
}