Commit 44a58444 authored by Kevin Bracey's avatar Kevin Bracey
Browse files

Turns off Chrontel device inside POST to surpress TV noise.

Version 4.63, 1.1.2.5. Tagged as 'Kernel-4_63-1_1_2_5'
parent 4d25ac06
......@@ -755,6 +755,14 @@ ts_InitVIDC
[ IO_Type = "IOMD" ; If POSTbox fitted, ROM may still be mapped everywhere
; Using IOMD
MOV r2,#IOMD_Base
[ ChrontelSupport :LAND: IOMD_C_VideoPowerDown <> 0
; Turn off the Chrontel device to prevent TV noise. The Chrontel module may
; or may not turn it on later, as is its wont.
LDRB r0, [r2, #IOMD_CLINES]
ORR r0, r0, #IOMD_C_ReadMask ; must keep inputs high
BIC r0, r0, #IOMD_C_VideoPowerDown ; bit is actually /PowerDown, so clear it for power off
STRB r0, [r2, #IOMD_CLINES]
]
MOV r0, #IOMD_VREFCR_REF_16 ; switch on DRAM refresh
STR r0, [r2, #IOMD_VREFCR]
MOV r1,#ts_VIDCPhys
......
......@@ -7,6 +7,6 @@
GBLS Module_Date
Module_MajorVersion SETS "4.63"
Module_Version SETA 463
Module_MinorVersion SETS "1.1.2.4"
Module_Date SETS "02 Nov 1998"
Module_MinorVersion SETS "1.1.2.5"
Module_Date SETS "06 Nov 1998"
END
......@@ -4,11 +4,11 @@
*
*/
#define Module_MajorVersion_CMHG 4.63
#define Module_MinorVersion_CMHG 1.1.2.4
#define Module_Date_CMHG 02 Nov 1998
#define Module_MinorVersion_CMHG 1.1.2.5
#define Module_Date_CMHG 06 Nov 1998
#define Module_MajorVersion "4.63"
#define Module_Version 463
#define Module_MinorVersion "1.1.2.4"
#define Module_Date "02 Nov 1998"
#define Module_MinorVersion "1.1.2.5"
#define Module_Date "06 Nov 1998"
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