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authorStefan Reinauer <reinauer@chromium.org>2013-04-23 15:23:15 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2013-11-25 23:03:58 +0100
commit454744fd8665eba8721adcd6d84e74c17f8b2b42 (patch)
treee17e880282cde68ead36cb8a4e0c44d50fb1fcf3 /src/mainboard/samsung/stumpy
parent98e4d8aabb7c42115682b18ef5740e944e9a03a1 (diff)
Unify and clean up remaining INT15 handlers
Some handlers still had 2 variants, others were incorrectly guarded by CONFIG_ variables. This patch straightens them out. This does not touch the siemens/sitemp_g1p1 which provides an interestingly complex solution for the int15 handler. Signed-off-by: Stefan Reinauer <reinauer@google.com> Change-Id: I5d74fdf7c2ab1faa96ebc2b5ca5c69398449b069 Reviewed-on: https://gerrit.chromium.org/gerrit/48979 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Patrick Georgi <patrick@georgi-clan.de> Commit-Queue: Stefan Reinauer <reinauer@google.com> Tested-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/4140 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/mainboard/samsung/stumpy')
-rw-r--r--src/mainboard/samsung/stumpy/mainboard.c111
1 files changed, 19 insertions, 92 deletions
diff --git a/src/mainboard/samsung/stumpy/mainboard.c b/src/mainboard/samsung/stumpy/mainboard.c
index cbf5af76e6..30612db271 100644
--- a/src/mainboard/samsung/stumpy/mainboard.c
+++ b/src/mainboard/samsung/stumpy/mainboard.c
@@ -42,15 +42,15 @@ void mainboard_suspend_resume(void)
outb(0xcb, 0xb2);
}
-#if defined(CONFIG_PCI_OPTION_ROM_RUN_REALMODE) && CONFIG_PCI_OPTION_ROM_RUN_REALMODE
+#if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN
static int int15_handler(void)
{
int res=0;
printk(BIOS_DEBUG, "%s: INT15 function %04x!\n",
- __func__, X86_EAX & 0xffff);
+ __func__, X86_AX);
- switch(X86_EAX & 0xffff) {
+ switch(X86_AX) {
case 0x5f34:
/*
* Set Panel Fitting Hook:
@@ -59,10 +59,8 @@ static int int15_handler(void)
* bit 0 = Centering (do not set with bit1 or bit2)
* 0 = video bios default
*/
- X86_EAX &= 0xffff0000;
- X86_EAX |= 0x005f;
- X86_ECX &= 0xffffff00;
- X86_ECX |= 0x01;
+ X86_AX = 0x005f;
+ X86_CL = 0x01;
res = 1;
break;
case 0x5f35:
@@ -77,10 +75,8 @@ static int int15_handler(void)
* bit 6 = EFP2 *
* bit 7 = LFP2
*/
- X86_EAX &= 0xffff0000;
- X86_EAX |= 0x005f;
- X86_ECX &= 0xffff0000;
- X86_ECX |= 0x0000;
+ X86_AX = 0x005f;
+ X86_CX = 0x0000;
res = 1;
break;
case 0x5f51:
@@ -91,115 +87,46 @@ static int int15_handler(void)
* 02h = SVDO-LVDS, LFP driven by SVDO decoder
* 03h = eDP, LFP Driven by Int-DisplayPort encoder
*/
- X86_EAX &= 0xffff0000;
- X86_EAX |= 0x005f;
- X86_ECX &= 0xffff0000;
- X86_ECX |= 0x0003;
+ X86_AX = 0x005f;
+ X86_CX = 0x0003;
res = 1;
break;
case 0x5f70:
- switch ((X86_ECX >> 8) & 0xff) {
+ switch (X86_CH) {
case 0:
/* Get Mux */
- X86_EAX &= 0xffff0000;
- X86_EAX |= 0x005f;
- X86_ECX &= 0xffff0000;
- X86_ECX |= 0x0000;
+ X86_AX = 0x005f;
+ X86_CX = 0x0000;
res = 1;
break;
case 1:
/* Set Mux */
- X86_EAX &= 0xffff0000;
- X86_EAX |= 0x005f;
- X86_ECX &= 0xffff0000;
- X86_ECX |= 0x0000;
+ X86_AX = 0x005f;
+ X86_CX = 0x0000;
res = 1;
break;
case 2:
/* Get SG/Non-SG mode */
- X86_EAX &= 0xffff0000;
- X86_EAX |= 0x005f;
- X86_ECX &= 0xffff0000;
- X86_ECX |= 0x0000;
+ X86_AX = 0x005f;
+ X86_CX = 0x0000;
res = 1;
break;
default:
/* FIXME: Interrupt was not handled, but return sucess? */
printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n",
- ((X86_ECX >> 8) & 0xff));
+ X86_CH);
return 1;
}
break;
default:
- printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n",
- X86_EAX & 0xffff);
+ printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX);
break;
}
return res;
}
#endif
-#if defined(CONFIG_PCI_OPTION_ROM_RUN_YABEL) && CONFIG_PCI_OPTION_ROM_RUN_YABEL
-static int int15_handler(void)
-{
- printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
- __func__, X86_AX, X86_BX, X86_CX, X86_DX);
-
- switch (X86_AX) {
- case 0x5f34:
- /*
- * Set Panel Fitting Hook:
- * bit 2 = Graphics Stretching
- * bit 1 = Text Stretching
- * bit 0 = Centering (do not set with bit1 or bit2)
- */
- X86_AX = 0x005f;
- X86_CX = 0x0001;
- break;
- case 0x5f35:
- /*
- * Boot Display Device Hook:
- * bit 0 = CRT
- * bit 1 = TV (eDP) *
- * bit 2 = EFP *
- * bit 3 = LFP
- * bit 4 = CRT2
- * bit 5 = TV2 (eDP) *
- * bit 6 = EFP2 *
- * bit 7 = LFP2
- */
- X86_AX = 0x005f;
- X86_CX = 0x0000;
- break;
- case 0x5f51:
- /*
- * Hook to select active LFP configuration:
- * 00h = No LVDS, VBIOS does not enable LVDS
- * 01h = Int-LVDS, LFP driven by integrated LVDS decoder
- * 02h = SVDO-LVDS, LFP driven by SVDO decoder
- * 03h = eDP, LFP Driven by Int-DisplayPort encoder
- */
- X86_AX = 0x005f;
- X86_CX = 3;
- break;
- case 0x5f70:
- /* Unknown */
- X86_AX = 0x005f;
- X86_CX = 0;
- break;
- default:
- /* Interrupt was not handled */
- printk(BIOS_DEBUG, "Unknown INT15 function: 0x%04x\n",
- X86_AX);
- return 0;
- }
-
- /* Interrupt handled */
- return 1;
-}
-#endif
-
/* Audio Setup */
extern const u32 * cim_verb_data;
@@ -220,7 +147,7 @@ static void verb_setup(void)
static void mainboard_enable(device_t dev)
{
-#if CONFIG_PCI_OPTION_ROM_RUN_YABEL || CONFIG_PCI_OPTION_ROM_RUN_REALMODE
+#if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN
/* Install custom int15 handler for VGA OPROM */
mainboard_interrupt_handlers(0x15, &int15_handler);
#endif