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- fix bug with stm32 high density write protection 

git-svn-id: svn://svn.berlios.de/openocd/trunk@858 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
ntfreak 2008-07-22 14:30:52 +00:00
parent c77b785505
commit dad28d0659
2 changed files with 41 additions and 13 deletions
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42
src/flash/stm32x.c
View File

@ -385,15 +385,43 @@ int stm32x_protect(struct flash_bank_s *bank, int set, int first, int last)
prot_reg[2] = (u16)(protection >> 16);
prot_reg[3] = (u16)(protection >> 24);
for (i = first; i <= last; i++)
if (stm32x_info->ppage_size == 2)
{
reg = (i / stm32x_info->ppage_size) / 8;
bit = (i / stm32x_info->ppage_size) - (reg * 8);
/* high density flash */
if( set )
prot_reg[reg] &= ~(1 << bit);
else
prot_reg[reg] |= (1 << bit);
/* bit 7 controls sector 62 - 255 protection */
if (first > 61 || last <= 255)
prot_reg[3] |= (1 << 7);
if (first > 61)
first = 61;
if (last > 61)
last = 61;
for (i = first; i <= last; i++)
{
reg = (i / stm32x_info->ppage_size) / 8;
bit = (i / stm32x_info->ppage_size) - (reg * 8);
if( set )
prot_reg[reg] &= ~(1 << bit);
else
prot_reg[reg] |= (1 << bit);
}
}
else
{
/* medium density flash */
for (i = first; i <= last; i++)
{
reg = (i / stm32x_info->ppage_size) / 8;
bit = (i / stm32x_info->ppage_size) - (reg * 8);
if( set )
prot_reg[reg] &= ~(1 << bit);
else
prot_reg[reg] |= (1 << bit);
}
}
if ((status = stm32x_erase_options(bank)) != ERROR_OK)

12
src/tcl/cpu/arm/cortex_m3.tcl
View File

@ -1,6 +1,6 @@
set CPU_TYPE arm
set CPU_NAME cortex_m3
set CPU_ARCH armv7
set CPU_MAX_ADDRESS 0xFFFFFFFF
set CPU_NBITS 32
set CPU_TYPE arm
set CPU_NAME cortex_m3
set CPU_ARCH armv7
set CPU_MAX_ADDRESS 0xFFFFFFFF
set CPU_NBITS 32