FreeCalypso > hg > freecalypso-sw
changeset 634:1f54d2ba42c2
gsm-fw/sysglue/flashboot.S: be consistent with fc-xram for CS4/ADD22 switch
| author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
|---|---|
| date | Mon, 01 Sep 2014 18:38:57 +0000 |
| parents | da72b51c0572 |
| children | 658a83ff7221 |
| files | gsm-fw/sysglue/flashboot.S |
| diffstat | 1 files changed, 8 insertions(+), 4 deletions(-) [+] |
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--- a/gsm-fw/sysglue/flashboot.S Mon Sep 01 18:20:58 2014 +0000 +++ b/gsm-fw/sysglue/flashboot.S Mon Sep 01 18:38:57 2014 +0000 @@ -53,14 +53,18 @@ strh r0, [r2, #2] #endif /* - * Switch the CS4/ADD22 pin to the ADD22 function. We only need this - * setting on targets with 8 MiB flash (or XRAM) banks, but it doesn't - * hurt to do it on all targets (like TI's original code does), - * until and unless we encounter a target that uses the CS4 function. + * On targets with 8 MiB flash (or XRAM) banks we need to switch the + * CS4/ADD22 pin to the ADD22 function. We could do it for all targets + * (not aware of any that need the pin to be CS4), but we strongly + * prefer to have a consistent execution environment between flashImage + * and ramImage, so let's only do this setting on those targets + * on which we do it in ../../loadtools/scripts/*.init (for fc-xram). */ +#if CONFIG_TARGET_PIRELLI || CONFIG_TARGET_C156 ldr r1, =0xFFFEF006 mov r2, #0x0008 strh r2, [r1] +#endif /* we now have full access to all flash and RAM on the device */ /* copy iram.text to where it's supposed to be */ ldr r8, =__iramtext_flash_addr