diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/amd/geode_lx/cache_as_ram.inc | 11 | ||||
| -rw-r--r-- | src/cpu/amd/geode_lx/cpubug.c | 28 | ||||
| -rw-r--r-- | src/cpu/amd/geode_lx/cpureginit.c | 14 | ||||
| -rw-r--r-- | src/cpu/amd/geode_lx/syspreinit.c | 16 |
4 files changed, 27 insertions, 42 deletions
diff --git a/src/cpu/amd/geode_lx/cache_as_ram.inc b/src/cpu/amd/geode_lx/cache_as_ram.inc index db95deefb3..73281a3fba 100644 --- a/src/cpu/amd/geode_lx/cache_as_ram.inc +++ b/src/cpu/amd/geode_lx/cache_as_ram.inc @@ -25,15 +25,14 @@ #define LX_CACHEWAY_SIZE (LX_NUM_CACHELINES * LX_CACHELINE_SIZE) #define CR0_CD 0x40000000 /* bit 30 = Cache Disable */ #define CR0_NW 0x20000000 /* bit 29 = Not Write Through */ + #include <cpu/amd/lxdef.h> #include <cpu/x86/post_code.h> -/*************************************************************************** -/** -/** DCacheSetup -/** -/** Setup data cache for use as RAM for a stack. + /** -/***************************************************************************/ + * DCacheSetup + * Setup data cache for use as RAM for a stack. + */ DCacheSetup: /* Save the BIST result */ movl %eax, %ebx diff --git a/src/cpu/amd/geode_lx/cpubug.c b/src/cpu/amd/geode_lx/cpubug.c index ebadec7f7a..acf176aba3 100644 --- a/src/cpu/amd/geode_lx/cpubug.c +++ b/src/cpu/amd/geode_lx/cpubug.c @@ -29,15 +29,15 @@ #include <cpu/x86/msr.h> #include <cpu/amd/lxdef.h> -/************************************************************************** +/** * * pcideadlock * * Bugtool #465 and #609 * PCI cache deadlock - * There is also fix code in cache and PCI functions. This bug is very is pervasive. - * - **************************************************************************/ + * There is also fix code in cache and PCI functions. + * This bug is very is pervasive. + */ static void pcideadlock(void) { msr_t msr; @@ -61,17 +61,15 @@ static void pcideadlock(void) wrmsr(CPU_RCONF_E0_FF, msr); } -/****************************************************************************/ -/***/ -/** DisableMemoryReorder*/ -/***/ -/** PBZ 3659:*/ -/** The MC reordered transactions incorrectly and breaks coherency.*/ -/** Disable reordering and take a potential performance hit.*/ -/** This is safe to do here and not in MC init since there is nothing*/ -/** to maintain coherency with and the cache is not enabled yet.*/ -/***/ -/****************************************************************************/ +/** + * DisableMemoryReorder + * + * PBZ 3659: + * The MC reordered transactions incorrectly and breaks coherency. + * Disable reordering and take a potential performance hit. + * This is safe to do here and not in MC init since there is nothing + * to maintain coherency with and the cache is not enabled yet. + */ static void disablememoryreadorder(void) { msr_t msr; diff --git a/src/cpu/amd/geode_lx/cpureginit.c b/src/cpu/amd/geode_lx/cpureginit.c index 30d95959fe..79e0a708e1 100644 --- a/src/cpu/amd/geode_lx/cpureginit.c +++ b/src/cpu/amd/geode_lx/cpureginit.c @@ -20,16 +20,10 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -/************************************************************************** -;* -;* SetDelayControl -;* -;*************************************************************************/ +/* SetDelayControl */ #include "cpu/x86/msr.h" - - /** * Delay Control Settings table from AMD (MCP 0x4C00000F). */ @@ -39,8 +33,6 @@ static const msrinit_t delay_msr_table[] = { {CPU_BC_MSS_ARRAY_CTL2, {.hi = 0x00000106, .lo = 0x83104104}}, }; - - static const struct delay_controls { u8 dimms; u8 devices; @@ -171,9 +163,7 @@ static void SetDelayControl(u8 dimm0, u8 dimm1, int terminated) wrmsr(GLCP_DELAY_CONTROLS, msr); } -/* ***************************************************************************/ -/* * cpuRegInit*/ -/* ***************************************************************************/ +/* cpuRegInit */ void cpuRegInit(int debug_clock_disable, u8 dimm0, u8 dimm1, int terminated) { int msrnum; diff --git a/src/cpu/amd/geode_lx/syspreinit.c b/src/cpu/amd/geode_lx/syspreinit.c index a6979d7071..1dcaebbfd9 100644 --- a/src/cpu/amd/geode_lx/syspreinit.c +++ b/src/cpu/amd/geode_lx/syspreinit.c @@ -20,15 +20,13 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -/* ***************************************************************************/ -/* **/ -/* * StartTimer1*/ -/* **/ -/* * Entry: none*/ -/* * Exit: Starts Timer 1 for port 61 use*/ -/* * Destroys: Al,*/ -/* **/ -/* ***************************************************************************/ +/** + * StartTimer1 + * + * Entry: none + * Exit: Starts Timer 1 for port 61 use + * Destroys: Al, + */ static void StartTimer1(void) { outb(0x56, 0x43); |