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Fix (again, hopefully) page addressing for the ATMega parts.

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Rename the poorly chosen name "bank" to "page" for page addressing.
Atmel calls it "page" in their documentation.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@91 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Brian S. Dean
2001-10-16 23:32:30 +00:00
parent b1b4ac48d4
commit 90d4f82fc9
6 changed files with 145 additions and 131 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
config_gram.y
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@@ -29,8 +29,8 @@
/* $Id$ */
%token K_BANK_SIZE
%token K_BANKED
%token K_PAGE_SIZE
%token K_PAGEED
%token K_BUFF
%token K_CHIP_ERASE_DELAY
%token K_DESC
@@ -38,23 +38,27 @@
%token K_ERRLED
%token K_FLASH
%token K_ID
%token K_LOADPAGE
%token K_MAX_WRITE_DELAY
%token K_MIN_WRITE_DELAY
%token K_MISO
%token K_MOSI
%token K_NO
%token K_NUM_BANKS
%token K_NUM_PAGES
%token K_PART
%token K_PGMLED
%token K_PROGRAMMER
%token K_RDYLED
%token K_READBACK_P1
%token K_READBACK_P2
%token K_READMEM
%token K_RESET
%token K_SCK
%token K_SIZE
%token K_VCC
%token K_VFYLED
%token K_WRITEPAGE
%token K_NO
%token K_YES
%token TKN_COMMA
@@ -103,7 +107,8 @@ part_def :
{ current_part = avr_new_part(); }
part_parms
{
unsigned int i, j, pagebits;
unsigned int i, j, shift, psize;
if (current_part->id[0] == 0) {
fprintf(stderr,
"%s: error at %s:%d: required parameter id not specified\n",
@@ -115,46 +120,48 @@ part_def :
* perform some sanity checking
*/
for (i=0; i<AVR_MAXMEMTYPES; i++) {
if (current_part->mem[i].banked) {
if (!current_part->mem[i].bank_size) {
if (current_part->mem[i].paged) {
if (!current_part->mem[i].page_size) {
fprintf(stderr,
"%s: error at %s:%d: must specify bank_size for banked "
"%s: error at %s:%d: must specify page_size for paged "
"memory\n",
progname, infile, lineno);
exit(1);
}
if (!current_part->mem[i].num_banks) {
if (!current_part->mem[i].num_pages) {
fprintf(stderr,
"%s: error at %s:%d: must specify num_banks for banked "
"%s: error at %s:%d: must specify num_pages for paged "
"memory\n",
progname, infile, lineno);
exit(1);
}
if (current_part->mem[i].size != current_part->mem[i].bank_size *
current_part->mem[i].num_banks) {
if (current_part->mem[i].size != current_part->mem[i].page_size *
current_part->mem[i].num_pages) {
fprintf(stderr,
"%s: error at %s:%d: bank size (%u) * num_banks (%u) = "
"%s: error at %s:%d: page size (%u) * num_pages (%u) = "
"%u does not match memory size (%u)\n",
progname, infile, lineno,
current_part->mem[i].bank_size,
current_part->mem[i].num_banks,
current_part->mem[i].bank_size * current_part->mem[i].num_banks,
current_part->mem[i].page_size,
current_part->mem[i].num_pages,
current_part->mem[i].page_size * current_part->mem[i].num_pages,
current_part->mem[i].size);
exit(1);
}
pagebits = 0;
for (j=0; j<32 && !pagebits; j++) {
if ((1 << j) == current_part->mem[i].num_banks)
pagebits = j;
shift = 0;
psize = current_part->mem[i].page_size / 2 - 1;
for (j=0; j<32 && !shift; j++) {
if ((psize >> j) == 0) {
shift = j;
}
}
if (!pagebits) {
if (!shift) {
fprintf(stderr,
"%s: error at %s:%d: can't determine the number of bank address bits\n"
" Are you sure num_banks (=%u) is correct?\n",
progname, infile, lineno, current_part->mem[i].num_banks);
"%s: error at %s:%d: can't determine amount to shift for the page address\n"
" Are you sure page_size (=%u) is correct?\n",
progname, infile, lineno, current_part->mem[i].page_size);
exit(1);
}
current_part->mem[i].bankaddrbits = pagebits;
current_part->mem[i].pageaddr_shift = shift;
}
}
@@ -284,9 +291,9 @@ mem_specs :
mem_spec :
K_BANKED TKN_EQUAL yesno
K_PAGED TKN_EQUAL yesno
{
current_part->mem[current_mem].banked = $3->primary == K_YES ? 1 : 0;
current_part->mem[current_mem].paged = $3->primary == K_YES ? 1 : 0;
free_token($3);
} |
@@ -297,15 +304,15 @@ mem_spec :
} |
K_BANK_SIZE TKN_EQUAL TKN_NUMBER
K_PAGE_SIZE TKN_EQUAL TKN_NUMBER
{
current_part->mem[current_mem].bank_size = $3->value.number;
current_part->mem[current_mem].page_size = $3->value.number;
free_token($3);
} |
K_NUM_BANKS TKN_EQUAL TKN_NUMBER
K_NUM_PAGES TKN_EQUAL TKN_NUMBER
{
current_part->mem[current_mem].num_banks = $3->value.number;
current_part->mem[current_mem].num_pages = $3->value.number;
free_token($3);
} |