diff options
| author | Matthias Fuchs <matthias.fuchs@esd-electronics.com> | 2007-04-24 14:03:45 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2007-04-24 14:22:41 +0200 |
| commit | 37ed6cdd4159195bfad68d8a237f6adda8f482cb (patch) | |
| tree | 3a50090e0c4eace2ccce75fac3e3c22ec70ca80e /cpu | |
| parent | d21686263574e95cb3e9e9b0496f968b1b897fdb (diff) | |
| download | blackbird-obmc-uboot-37ed6cdd4159195bfad68d8a237f6adda8f482cb.tar.gz blackbird-obmc-uboot-37ed6cdd4159195bfad68d8a237f6adda8f482cb.zip | |
ppc4xx: setup 440EPx/GRx ZMII/RGMII bridge depending on PFC register content.
Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/ppc4xx/4xx_enet.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c index cf56581d84..be4e82405e 100644 --- a/cpu/ppc4xx/4xx_enet.c +++ b/cpu/ppc4xx/4xx_enet.c @@ -339,29 +339,41 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) { unsigned long zmiifer=0x0; + unsigned long pfc1; - /* - * Right now only 2*RGMII is supported. Please extend when needed. - * sr - 2006-08-29 - */ - switch (1) { - case 0: + mfsdr(sdr_pfc1, pfc1); + pfc1 &= SDR0_PFC1_SELECT_MASK; + + switch (pfc1) { + case SDR0_PFC1_SELECT_CONFIG_2: /* 1 x GMII port */ out32 (ZMII_FER, 0x00); out32 (RGMII_FER, 0x00000037); bis->bi_phymode[0] = BI_PHYMODE_GMII; bis->bi_phymode[1] = BI_PHYMODE_NONE; break; - case 1: + case SDR0_PFC1_SELECT_CONFIG_4: /* 2 x RGMII ports */ out32 (ZMII_FER, 0x00); out32 (RGMII_FER, 0x00000055); bis->bi_phymode[0] = BI_PHYMODE_RGMII; bis->bi_phymode[1] = BI_PHYMODE_RGMII; break; - case 2: + case SDR0_PFC1_SELECT_CONFIG_6: /* 2 x SMII ports */ - + out32 (ZMII_FER, + ((ZMII_FER_SMII) << ZMII_FER_V(0)) | + ((ZMII_FER_SMII) << ZMII_FER_V(1))); + out32 (RGMII_FER, 0x00000000); + bis->bi_phymode[0] = BI_PHYMODE_SMII; + bis->bi_phymode[1] = BI_PHYMODE_SMII; + break; + case SDR0_PFC1_SELECT_CONFIG_1_2: + /* only 1 x MII supported */ + out32 (ZMII_FER, (ZMII_FER_MII) << ZMII_FER_V(0)); + out32 (RGMII_FER, 0x00000000); + bis->bi_phymode[0] = BI_PHYMODE_MII; + bis->bi_phymode[1] = BI_PHYMODE_NONE; break; default: break; |
