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Diffstat (limited to 'cpu/ppc4xx/440gx_enet.c')
-rw-r--r--cpu/ppc4xx/440gx_enet.c174
1 files changed, 104 insertions, 70 deletions
diff --git a/cpu/ppc4xx/440gx_enet.c b/cpu/ppc4xx/440gx_enet.c
index ba7418a97..91cf240ac 100644
--- a/cpu/ppc4xx/440gx_enet.c
+++ b/cpu/ppc4xx/440gx_enet.c
@@ -175,6 +175,100 @@ static void ppc_440x_eth_halt (struct eth_device *dev)
extern int phy_setup_aneg (unsigned char addr);
extern int miiphy_reset (unsigned char addr);
+#if defined (CONFIG_440_GX)
+int ppc_440x_eth_setup_bridge(int devnum, bd_t * bis)
+{
+ unsigned long pfc1;
+ unsigned long zmiifer;
+ unsigned long rmiifer;
+
+ mfsdr(sdr_pfc1, pfc1);
+ pfc1 = SDR0_PFC1_EPS_DECODE(pfc1);
+
+ zmiifer = 0;
+ rmiifer = 0;
+
+ switch (pfc1) {
+ case 1:
+ zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
+ zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1);
+ zmiifer |= ZMII_FER_RMII << ZMII_FER_V(2);
+ zmiifer |= ZMII_FER_RMII << ZMII_FER_V(3);
+ bis->bi_phymode[0] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[1] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[2] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[3] = BI_PHYMODE_ZMII;
+ break;
+ case 2:
+ zmiifer = ZMII_FER_SMII << ZMII_FER_V(0);
+ zmiifer = ZMII_FER_SMII << ZMII_FER_V(1);
+ zmiifer = ZMII_FER_SMII << ZMII_FER_V(2);
+ zmiifer = ZMII_FER_SMII << ZMII_FER_V(3);
+ bis->bi_phymode[0] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[1] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[2] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[3] = BI_PHYMODE_ZMII;
+ break;
+ case 3:
+ zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0);
+ rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
+ bis->bi_phymode[0] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[1] = BI_PHYMODE_NONE;
+ bis->bi_phymode[2] = BI_PHYMODE_RGMII;
+ bis->bi_phymode[3] = BI_PHYMODE_NONE;
+ break;
+ case 4:
+ zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0);
+ zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1);
+ rmiifer |= RGMII_FER_RGMII << RGMII_FER_V (2);
+ rmiifer |= RGMII_FER_RGMII << RGMII_FER_V (3);
+ bis->bi_phymode[0] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[1] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[2] = BI_PHYMODE_RGMII;
+ bis->bi_phymode[3] = BI_PHYMODE_RGMII;
+ break;
+ case 5:
+ zmiifer |= ZMII_FER_SMII << ZMII_FER_V (0);
+ zmiifer |= ZMII_FER_SMII << ZMII_FER_V (1);
+ zmiifer |= ZMII_FER_SMII << ZMII_FER_V (2);
+ rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3);
+ bis->bi_phymode[0] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[1] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[2] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[3] = BI_PHYMODE_RGMII;
+ break;
+ case 6:
+ zmiifer |= ZMII_FER_SMII << ZMII_FER_V (0);
+ zmiifer |= ZMII_FER_SMII << ZMII_FER_V (1);
+ rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2);
+ rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3);
+ bis->bi_phymode[0] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[1] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[2] = BI_PHYMODE_RGMII;
+ bis->bi_phymode[3] = BI_PHYMODE_RGMII;
+ break;
+ case 0:
+ default:
+ zmiifer = ZMII_FER_MII << ZMII_FER_V(devnum);
+ rmiifer = 0x0;
+ bis->bi_phymode[0] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[1] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[2] = BI_PHYMODE_ZMII;
+ bis->bi_phymode[3] = BI_PHYMODE_ZMII;
+ break;
+ }
+
+ /* Ensure we setup mdio for this devnum and ONLY this devnum */
+ zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum);
+
+ out32 (ZMII_FER, zmiifer);
+ out32 (RGMII_FER, rmiifer);
+
+ return ((int)pfc1);
+
+}
+#endif
+
static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis)
{
int i;
@@ -187,11 +281,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis)
unsigned short devnum;
unsigned short reg_short;
sys_info_t sysinfo;
-#if defined (CONFIG_440_GX)
- unsigned long pfc1;
- unsigned long zmiifer;
- unsigned long rmiifer;
-#endif
+ int ethgroup;
EMAC_440GX_HW_PST hw_p = dev->priv;
@@ -269,66 +359,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis)
udelay (100);
#if defined(CONFIG_440_GX)
- mfsdr(sdr_pfc1, pfc1);
- pfc1 = SDR0_PFC1_EPS_DECODE(pfc1);
-
- switch (pfc1) {
- case 1:
- zmiifer = (ZMII_FER_MDI | ZMII_FER_RMII) << ZMII_FER_V(devnum);
- rmiifer = 0x0;
- break;
- case 2:
- zmiifer = (ZMII_FER_MDI | ZMII_FER_SMII) << ZMII_FER_V(devnum);
- rmiifer = 0x0;
- break;
- case 3:
- if (devnum == 0) {
- zmiifer = (ZMII_FER_MDI | ZMII_FER_RMII) << ZMII_FER_V(devnum);
- rmiifer = 0x0;
- } else if (devnum == 2) {
- zmiifer = (ZMII_FER_MDI | ZMII_FER_RMII) << ZMII_FER_V(devnum);
- rmiifer = RGMII_FER_RGMII << RGMII_FER_V(devnum);
- } else { /* invalid case */
- zmiifer = 0x0;
- rmiifer = 0x0;
- }
- break;
- case 4:
- if ((devnum == 0) || (devnum == 1)) {
- zmiifer = (ZMII_FER_MDI | ZMII_FER_SMII) << ZMII_FER_V (devnum);
- rmiifer = 0x0;
- } else { /* ((devnum == 2) || (devnum == 3)) */
- zmiifer = (ZMII_FER_MDI/* | ZMII_FER_RMII */) << ZMII_FER_V (devnum);
- rmiifer = RGMII_FER_RGMII << RGMII_FER_V (devnum);
- }
- break;
- case 5:
- if ((devnum == 0) || (devnum == 1) || (devnum == 2)) {
- zmiifer = (ZMII_FER_MDI | ZMII_FER_SMII) << ZMII_FER_V (devnum);
- rmiifer = 0x0;
- } else {
- zmiifer = (ZMII_FER_MDI | ZMII_FER_RMII) << ZMII_FER_V(devnum);
- rmiifer = RGMII_FER_RGMII << RGMII_FER_V(devnum);
- }
- break;
- case 6:
- if ((devnum == 0) || (devnum == 1)) {
- zmiifer = (ZMII_FER_MDI | ZMII_FER_SMII) << ZMII_FER_V (devnum);
- rmiifer = 0x0;
- } else {
- zmiifer = (ZMII_FER_MDI | ZMII_FER_RMII) << ZMII_FER_V(devnum);
- rmiifer = RGMII_FER_RGMII << RGMII_FER_V(devnum);
- }
- break;
- case 0:
- default:
- zmiifer = (ZMII_FER_MDI | ZMII_FER_MII) << ZMII_FER_V(devnum);
- rmiifer = 0x0;
- break;
- }
-
- out32 (ZMII_FER, zmiifer);
- out32 (RGMII_FER, rmiifer);
+ ethgroup = ppc_440x_eth_setup_bridge(devnum, bis);
#else
if ((devnum == 0) || (devnum == 1)) {
out32 (ZMII_FER, (ZMII_FER_SMII | ZMII_FER_MDI) << ZMII_FER_V (devnum));
@@ -338,6 +369,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis)
out32 (RGMII_FER, ((RGMII_FER_RGMII << RGMII_FER_V (2)) |
(RGMII_FER_RGMII << RGMII_FER_V (3))));
}
+
#endif
out32 (ZMII_SSR, ZMII_SSR_SP << ZMII_SSR_V(devnum));
__asm__ volatile ("eieio");
@@ -397,16 +429,17 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis)
/* Reset the phy */
miiphy_reset (reg);
+#if defined(CONFIG_440_GX)
#if defined(CONFIG_CIS8201_PHY)
/*
* Cicada 8201 PHY needs to have an extended register whacked
* for RGMII mode.
*/
- if ( ((devnum == 2) || (devnum ==3)) && (4 == pfc1) ) {
+ if ( ((devnum == 2) || (devnum ==3)) && (4 == ethgroup) ) {
miiphy_write (reg, 23, 0x1200);
}
#endif
-
+#endif
/* Start/Restart autonegotiation */
phy_setup_aneg (reg);
udelay (1000);
@@ -451,7 +484,7 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis)
/* Set ZMII/RGMII speed according to the phy link speed */
reg = in32 (ZMII_SSR);
- if (speed == 100)
+ if ( (speed == 100) || (speed == 1000) )
out32 (ZMII_SSR, reg | (ZMII_SSR_SP << ZMII_SSR_V (devnum)));
else
out32 (ZMII_SSR,
@@ -619,8 +652,9 @@ static int ppc_440x_eth_init (struct eth_device *dev, bd_t * bis)
mode_reg |= EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K;
/* set speed */
- /* TBS: do 1GbE */
- if (speed == _100BASET)
+ if (speed == _1000BASET)
+ mode_reg = mode_reg | EMAC_M1_MF_1000MBPS | EMAC_M1_IST;
+ else if (speed == _100BASET)
mode_reg = mode_reg | EMAC_M1_MF_100MBPS | EMAC_M1_IST;
else
mode_reg = mode_reg & ~0x00C00000; /* 10 MBPS */
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 12:45:18 +0000