From a67c7e75123103251e304a51ba19d0530b75981d Mon Sep 17 00:00:00 2001 From: bz Date: Sat, 13 Nov 2004 20:21:57 +0000 Subject: Set ramsize depending on a value from eprom instead of using hardcoded 128k for Yukon devices. 88E8001 only has 64k of on-chip RAM[1]. [1] http://www.marvell.com/products/pcconn/yukon/Yukon_88E8001_10_073103_final.pdf Tested by: amd64, current Approved by: rwatson (mentor) MFC after: 1 week --- sys/pci/if_sk.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'sys/pci') diff --git a/sys/pci/if_sk.c b/sys/pci/if_sk.c index d00980a..ab4bdd1 100644 --- a/sys/pci/if_sk.c +++ b/sys/pci/if_sk.c @@ -1503,6 +1503,7 @@ skc_attach(dev) { struct sk_softc *sc; int unit, error = 0, rid, *port; + uint8_t skrs; sc = device_get_softc(dev); unit = device_get_unit(dev); @@ -1563,9 +1564,10 @@ skc_attach(dev) /* Read and save vital product data from EEPROM. */ sk_vpd_read(sc); + skrs = sk_win_read_1(sc, SK_EPROM0); if (sc->sk_type == SK_GENESIS) { /* Read and save RAM size and RAMbuffer offset */ - switch(sk_win_read_1(sc, SK_EPROM0)) { + switch(skrs) { case SK_RAMSIZE_512K_64: sc->sk_ramsize = 0x80000; sc->sk_rboff = SK_RBOFF_0; @@ -1588,8 +1590,12 @@ skc_attach(dev) error = ENXIO; goto fail; } - } else { - sc->sk_ramsize = 0x20000; + } else { /* SK_YUKON */ + if (skrs == 0x00) { + sc->sk_ramsize = 0x20000; + } else { + sc->sk_ramsize = skrs * (1<<12); + } sc->sk_rboff = SK_RBOFF_0; } -- cgit v1.1