Firebee/BaS_gcc
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add DDR RAM configuration

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This commit is contained in:
Markus Fröschle
2017-01-21 22:09:40 +00:00
parent 2f8aba5413
commit 642eb18dd2
2 changed files with 70 additions and 9 deletions
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69
BaS_gcc/tos/fpga_test/sources/fpga_test.c
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@@ -23,14 +23,73 @@ long bas_start = 0xe0000000;
volatile uint16_t *FB_CS1 = (volatile uint16_t *) 0xfff00000; /* "classic" ATARI I/O registers */
volatile uint32_t *FB_CS2 = (volatile uint32_t *) 0xf0000000; /* FireBee 32 bit I/O registers */
volatile uint16_t *FB_CS3 = (volatile uint16_t *) 0xf8000000; /* FireBee SRAM */
volatile uint32_t *FB_CS4 = (volatile uint32_t *) 0x40000000; /* FireBee SD RAM */
uint32_t *FB_CS4 = (volatile uint32_t *) 0x40000000; /* FireBee SD RAM */
const int sdram_size = 128 * 1024L * 1024L;
bool verify_ddr_ram(uint32_t value)
{
uint32_t *lp;
uint16_t *wp;
uint8_t *cp;
lp = FB_CS4;
/*
* write
*/
do
{
*lp = value;
} while (lp++ <= FB_CS4 + sdram_size - 1);
/*
* read
*/
lp = FB_CS4;
do
{
if (*lp != value)
{
return false;
}
} while (lp++ <= FB_CS4 + sdram_size - 1);
wp = (short *) FB_CS4;
/*
* write
*/
do
{
*wp = (uint16_t) value;
} while (cp++ <= (uint16_t *) FB_CS4 + sdram_size - 1);
wp = (short *) FB_CS4;
do
{
if (*wp != value)
{
return false;
}
} while (wp++ <= FB_CS4 + sdram_size - 1);
return true;
}
bool verify_longaddr(volatile uint32_t * const addr, uint32_t value)
{
uint32_t rvalue;
*addr = value;
if (value != *addr)
if (value != (rvalue = *addr))
{
xprintf("validation error at %p: written = 0x%08x, read = 0x%08x\r\n", addr, value, rvalue);
return false;
}
return true;
}
@@ -71,11 +130,13 @@ void firebee_io_test(void)
bool verify_wordaddr(volatile uint16_t * const addr, uint16_t value)
{
long rvalue;
*addr = value;
xprintf("W: 0x%04x R: 0x%04x\r", value, *addr);
if (value != (rvalue = *addr))
{
xprintf("validation error at %p, wrote 0x%4x, read 0x%4x\r\n", addr, value, rvalue);
if (value != *addr)
{
xprintf("\r\n");