Author: uwe
Date: 2007-11-13 16:40:21 +0100 (Tue, 13 Nov 2007)
New Revision: 2965
Modified:
trunk/LinuxBIOSv2/src/mainboard/asus/a8v-e_se/cache_as_ram_auto.c
trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_lpc.c
Log:
Add support for FID/VID changes messages.
Upon incoming SMAF message from CPU (C3 or FID/VID change), the SB will
assert SLP# which is connected to LDTSTOP_L on K8 CPUs. Question is for how
long. Imho for 100us. Which is more than plenty (2us required) I will try
to justify this once I know what bios to set in SB.
Signed-off-by: Rudolf Marek <[EMAIL PROTECTED]>
Acked-by: Uwe Hermann <[EMAIL PROTECTED]>
Modified: trunk/LinuxBIOSv2/src/mainboard/asus/a8v-e_se/cache_as_ram_auto.c
===================================================================
--- trunk/LinuxBIOSv2/src/mainboard/asus/a8v-e_se/cache_as_ram_auto.c
2007-11-13 15:26:56 UTC (rev 2964)
+++ trunk/LinuxBIOSv2/src/mainboard/asus/a8v-e_se/cache_as_ram_auto.c
2007-11-13 15:40:21 UTC (rev 2965)
@@ -309,6 +309,10 @@
#endif
init_timer();
ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn,
nodes, sbdn
+
+ enable_fid_change();
+ init_fidvid_bsp(bsp_apicid);
+
needs_reset = optimize_link_coherent_ht();
needs_reset |= optimize_link_incoherent_ht(sysinfo);
Modified: trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_lpc.c
===================================================================
--- trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_lpc.c 2007-11-13
15:26:56 UTC (rev 2964)
+++ trunk/LinuxBIOSv2/src/southbridge/via/vt8237r/vt8237r_lpc.c 2007-11-13
15:40:21 UTC (rev 2965)
@@ -222,6 +222,13 @@
/* SCI is generated for RTC/pwrBtn/slpBtn. */
outw(0x001, VT8237R_ACPI_IO_BASE + 0x04);
+
+ /* FIXME: Intel needs more bit set for C2/C3. */
+
+ /* Allow SLP# signal to assert LDTSTOP_L.
+ * Will work for C3 and for FID/VID change.
+ */
+ outb(0x1, VT8237R_ACPI_IO_BASE + 0x11);
}
static void vt8237r_init(struct device *dev)
--
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