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authorstefano babic <sbabic@denx.de>2007-08-30 23:01:49 +0200
committerWolfgang Denk <wd@denx.de>2007-09-07 01:06:19 +0200
commit5e5803e119de3bebd76fc9a57baac0b5aeccc8a3 (patch)
treedcdeb0a116eda5af5cd878054c509d1cf535a6a1 /drivers
parent80172c6181c912fbb34ea3ba0c22b232b419b47f (diff)
PXA270: Added support for TrizepsIV board.
This patch add support for the Trizeps IV module (520Mhz). Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/dm9000x.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/dm9000x.c b/drivers/dm9000x.c
index e0d531bd917..6131b5c3570 100644
--- a/drivers/dm9000x.c
+++ b/drivers/dm9000x.c
@@ -99,7 +99,7 @@ void eth_halt(void);
static int dm9000_probe(void);
static u16 phy_read(int);
static void phy_write(int, u16);
-static u16 read_srom_word(int);
+u16 read_srom_word(int);
static u8 DM9000_ior(int);
static void DM9000_iow(int reg, u8 value);
@@ -537,7 +537,7 @@ eth_rx(void)
/*
Read a word data from SROM
*/
-static u16
+u16
read_srom_word(int offset)
{
DM9000_iow(DM9000_EPAR, offset);
@@ -547,6 +547,18 @@ read_srom_word(int offset)
return (DM9000_ior(DM9000_EPDRL) + (DM9000_ior(DM9000_EPDRH) << 8));
}
+void
+write_srom_word(int offset, u16 val)
+{
+ DM9000_iow(DM9000_EPAR, offset);
+ DM9000_iow(DM9000_EPDRH, ((val >> 8) & 0xff));
+ DM9000_iow(DM9000_EPDRL, (val & 0xff));
+ DM9000_iow(DM9000_EPCR, 0x12);
+ udelay(8000);
+ DM9000_iow(DM9000_EPCR, 0);
+}
+
+
/*
Read a byte from I/O port
*/