From 1260233982f7dfbdfd1adee12daa95a0c0e84a43 Mon Sep 17 00:00:00 2001 From: Grzegorz Bernacki Date: Fri, 12 Jun 2009 11:33:55 +0200 Subject: digsy mtc: Add description to GPIO initial configuration. Signed-off-by: Grzegorz Bernacki --- include/configs/digsy_mtc.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'include/configs/digsy_mtc.h') diff --git a/include/configs/digsy_mtc.h b/include/configs/digsy_mtc.h index 0cc2a8d..558010f 100644 --- a/include/configs/digsy_mtc.h +++ b/include/configs/digsy_mtc.h @@ -248,6 +248,22 @@ /* * GPIO configuration + * use pin gpio_wkup_6 as second SDRAM chip select (mem_cs1) + * Bit 0 (mask 0x80000000) : 0x1 + * SPI on Tmr2/3/4/5 pins + * Bit 2:3 (mask 0x30000000) : 0x2 + * ATA cs0/1 on csb_4/5 + * Bit 6:7 (mask 0x03000000) : 0x2 + * Ethernet 100Mbit with MD + * Bits 12:15 (mask 0x000f0000): 0x5 + * USB - Two UARTs + * Bits 18:19 (mask 0x00003000) : 0x2 + * PSC3 - USB2 on PSC3 + * Bits 20:23 (mask 0x00000f00) : 0x1 + * PSC2 - CAN1&2 on PSC2 pins + * Bits 25:27 (mask 0x00000070) : 0x1 + * PSC1 - AC97 functionality + * Bits 29:31 (mask 0x00000007) : 0x2 */ #define CONFIG_SYS_GPS_PORT_CONFIG 0xA2552112 -- cgit v1.1