From: Wolfgang Grandegger wg@grandegger.com
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 --- board/tqc/tqm85xx/tqm85xx.c | 84 +++++++++++++++++++++++------------------- 1 files changed, 46 insertions(+), 38 deletions(-)
diff --git a/board/tqc/tqm85xx/tqm85xx.c b/board/tqc/tqm85xx/tqm85xx.c index af8c170..a45df2b 100644 --- a/board/tqc/tqm85xx/tqm85xx.c +++ b/board/tqc/tqm85xx/tqm85xx.c @@ -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]); - - /* 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]); - } + /* + * 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]); + +#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; }