diff options
| author | Kevin Wolf <mail@kevin-wolf.de> | 2009-05-23 11:21:33 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-05-27 09:45:06 -0500 |
| commit | cab3c825371b73fa71ada4dfa8d64ca99bc08638 (patch) | |
| tree | db7c1310d67597b70cadc2667aa93d695f29e0f3 /hw/e1000.c | |
| parent | 8cf07dcbe7691dbe4f47563058659dba6ef66b05 (diff) | |
e1000: Ignore reset command
When a reset is requested, the current e1000 emulation never clears the
reset bit which may cause a driver to hang. This patch masks the reset
bit out when setting the control registert, so the reset is immediately
completed.
Signed-off-by: Kevin Wolf <mail@kevin-wolf.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/e1000.c')
| -rw-r--r-- | hw/e1000.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/hw/e1000.c b/hw/e1000.c index c5eb546998..26657922c5 100644 --- a/hw/e1000.c +++ b/hw/e1000.c @@ -190,6 +190,13 @@ rxbufsize(uint32_t v) } static void +set_ctrl(E1000State *s, int index, uint32_t val) +{ + /* RST is self clearing */ + s->mac_reg[CTRL] = val & ~E1000_CTRL_RST; +} + +static void set_rx_control(E1000State *s, int index, uint32_t val) { s->mac_reg[RCTL] = val; @@ -783,12 +790,12 @@ enum { NREADOPS = ARRAY_SIZE(macreg_readops) }; static void (*macreg_writeops[])(E1000State *, int, uint32_t) = { putreg(PBA), putreg(EERD), putreg(SWSM), putreg(WUFC), putreg(TDBAL), putreg(TDBAH), putreg(TXDCTL), putreg(RDBAH), - putreg(RDBAL), putreg(LEDCTL), putreg(CTRL), putreg(VET), + putreg(RDBAL), putreg(LEDCTL), putreg(VET), [TDLEN] = set_dlen, [RDLEN] = set_dlen, [TCTL] = set_tctl, [TDT] = set_tctl, [MDIC] = set_mdic, [ICS] = set_ics, [TDH] = set_16bit, [RDH] = set_16bit, [RDT] = set_rdt, [IMC] = set_imc, [IMS] = set_ims, [ICR] = set_icr, - [EECD] = set_eecd, [RCTL] = set_rx_control, + [EECD] = set_eecd, [RCTL] = set_rx_control, [CTRL] = set_ctrl, [RA ... RA+31] = &mac_writereg, [MTA ... MTA+127] = &mac_writereg, [VFTA ... VFTA+127] = &mac_writereg, |