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Diffstat (limited to 'board/rpxsuper/mii_phy.c')
-rw-r--r--board/rpxsuper/mii_phy.c107
1 files changed, 0 insertions, 107 deletions
diff --git a/board/rpxsuper/mii_phy.c b/board/rpxsuper/mii_phy.c
deleted file mode 100644
index 12e23f4..0000000
--- a/board/rpxsuper/mii_phy.c
+++ /dev/null
@@ -1,107 +0,0 @@
-#include <common.h>
-#include <mii_phy.h>
-#include "rpxsuper.h"
-
-#define MII_MDIO 0x01
-#define MII_MDCK 0x02
-#define MII_MDIR 0x04
-
-void
-mii_discover_phy(void)
-{
- int known;
- unsigned short phy_reg;
- unsigned long phy_id;
-
- known = 0;
- printf("Discovering phy @ 0: ");
- phy_id = mii_phy_read(2) << 16;
- phy_id |= mii_phy_read(3);
- if ((phy_id & 0xFFFFFC00) == 0x00137800) {
- printf("Level One ");
- if ((phy_id & 0x000003F0) == 0xE0) {
- printf("LXT971A Revision %d\n", (int)(phy_id & 0xF));
- known = 1;
- }
- else printf("unknown type\n");
- }
- else printf("unknown OUI = 0x%08lX\n", phy_id);
-
- phy_reg = mii_phy_read(1);
- if (!(phy_reg & 0x0004)) printf("Link is down\n");
- if (!(phy_reg & 0x0020)) printf("Auto-negotiation not complete\n");
- if (phy_reg & 0x0002) printf("Jabber condition detected\n");
- if (phy_reg & 0x0010) printf("Remote fault condition detected \n");
-
- if (known) {
- phy_reg = mii_phy_read(17);
- if (phy_reg & 0x0400)
- printf("Phy operating at %d MBit/s in %s-duplex mode\n",
- phy_reg & 0x4000 ? 100 : 10,
- phy_reg & 0x0200 ? "full" : "half");
- else
- printf("bad link!!\n");
-/*
-left off: no link, green 100MBit, yellow 10MBit
-right off: no activity, green full-duplex, yellow half-duplex
-*/
- mii_phy_write(20, 0x0452);
- }
-}
-
-unsigned short
-mii_phy_read(unsigned short reg)
-{
- int i;
- unsigned short tmp, val = 0, adr = 0;
- t_rpx_regs *regs = (t_rpx_regs*)CONFIG_SYS_REGS_BASE;
-
- tmp = 0x6002 | (adr << 7) | (reg << 2);
- regs->bcsr4 = 0xC3;
- for (i = 0; i < 64; i++) {
- regs->bcsr4 ^= MII_MDCK;
- }
- for (i = 0; i < 16; i++) {
- regs->bcsr4 &= ~MII_MDCK;
- if (tmp & 0x8000) regs->bcsr4 |= MII_MDIO;
- else regs->bcsr4 &= ~MII_MDIO;
- regs->bcsr4 |= MII_MDCK;
- tmp <<= 1;
- }
- regs->bcsr4 |= MII_MDIR;
- for (i = 0; i < 16; i++) {
- val <<= 1;
- regs->bcsr4 = MII_MDIO | (regs->bcsr4 | MII_MDCK);
- if (regs->bcsr4 & MII_MDIO) val |= 1;
- regs->bcsr4 = MII_MDIO | (regs->bcsr4 &= ~MII_MDCK);
- }
- return val;
-}
-
-void
-mii_phy_write(unsigned short reg, unsigned short val)
-{
- int i;
- unsigned short tmp, adr = 0;
- t_rpx_regs *regs = (t_rpx_regs*)CONFIG_SYS_REGS_BASE;
-
- tmp = 0x5002 | (adr << 7) | (reg << 2);
- regs->bcsr4 = 0xC3;
- for (i = 0; i < 64; i++) {
- regs->bcsr4 ^= MII_MDCK;
- }
- for (i = 0; i < 16; i++) {
- regs->bcsr4 &= ~MII_MDCK;
- if (tmp & 0x8000) regs->bcsr4 |= MII_MDIO;
- else regs->bcsr4 &= ~MII_MDIO;
- regs->bcsr4 |= MII_MDCK;
- tmp <<= 1;
- }
- for (i = 0; i < 16; i++) {
- regs->bcsr4 &= ~MII_MDCK;
- if (val & 0x8000) regs->bcsr4 |= MII_MDIO;
- else regs->bcsr4 &= ~MII_MDIO;
- regs->bcsr4 |= MII_MDCK;
- val <<= 1;
- }
-}