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ppc4xx: Kilauea: Add PCIe reset assertion upon power-up

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This manual PCIe reset triggering solves the problem seen with the
Intel EPRO/1000 card, which was not detected (link not established)
upon power-up reset.

Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese 2007-11-30 07:15:41 +01:00
parent 8be7609036
commit e15e33433e
1 changed files with 6 additions and 9 deletions
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15
board/amcc/kilauea/kilauea.c
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@ -37,14 +37,6 @@ DECLARE_GLOBAL_DATA_PTR;
extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
void fpga_init(void)
{
/*
* Set FPGA regs
*/
out32(CFG_FPGA_BASE, 0xff570cc0);
}
/*
* Board early initialization function
*/
@ -199,7 +191,12 @@ int board_early_init_f (void)
*/
mtsdr(SDR0_SRST, 0);
fpga_init();
/*
* Configure FPGA register with PCIe reset
*/
out_be32((void *)CFG_FPGA_BASE, 0xff570cc0); /* assert PCIe reset */
mdelay(50);
out_be32((void *)CFG_FPGA_BASE, 0xff570cc3); /* deassert PCIe reset */
/* Configure 405EX for NAND usage */
val = SDR0_CUST0_MUX_NDFC_SEL |