11 May
2007
11 May
'07
1 a.m.
This patch cleans up and clarifies Geode source code comments.
Signed-off-by: Marc Jones marc.jones@amd.com
--
Marc Jones
Senior Software Engineer
(970) 226-9684 Office
mailto:Marc.Jones@amd.com
http://www.amd.com/embeddedprocessors
Index: LinuxBIOSv2/src/cpu/amd/model_lx/cpureginit.c
===================================================================
--- LinuxBIOSv2.orig/src/cpu/amd/model_lx/cpureginit.c 2007-05-10 16:06:07.000000000 -0600
+++ LinuxBIOSv2/src/cpu/amd/model_lx/cpureginit.c 2007-05-10 15:09:12.000000000 -0600
@@ -101,11 +101,6 @@
;1 16 400MHz 0x82*10055 0x56960004 4
;
;2 4,4 400MHz 0x82710000 0x56960004 4
-;2 8,8 400MHz 0xC27100A5 0x56960004 4 *** OUT OF PUBLISHED ENVELOPE ***
-;
-;2 16,4 >333 0xB27100A5 0x56960004 4 *** OUT OF PUBLISHED ENVELOPE ***
-;2 16,8 >333 0xB27100A5 0x56960004 4 *** OUT OF PUBLISHED ENVELOPE ***
-;2 16,16 >333 0xB2710000 0x56960004 4 *** OUT OF PUBLISHED ENVELOPE ***
;
;1 4 <=333MHz 0x83*100FF 0x56960004 3
;1 8 <=333MHz 0x83*100AA 0x56960004 3
@@ -114,9 +109,6 @@
;2 4,4 <=333MHz 0x837100A5 0x56960004 3
;2 8,8 <=333MHz 0x937100A5 0x56960004 3
;
-;2 16,4 <=333MHz 0xB37100A5 0x56960004 3 *** OUT OF PUBLISHED ENVELOPE ***
-;2 16,8 <=333MHz 0xB37100A5 0x56960004 3 *** OUT OF PUBLISHED ENVELOPE ***
-;2 16,16 <=333MHz 0xB37100A5 0x56960004 3 *** OUT OF PUBLISHED ENVELOPE ***
;=========================================================================
;* - Bit 55 (disable SDCLK 1,3,5) should be set if there is a single DIMM in slot 0,
; but it should be clear for all 2 DIMM settings and if a single DIMM is in slot 1.
@@ -130,9 +122,9 @@
; DIMM Max MBUS
;DIMMs devices Frequency MCP 0x4C00000F Setting
;----- ------- --------- ----------------------
-;1 4 400MHz 0xF2F100FF 0x56960004 4 The MC changes improve Salsa.
-;1 8 400MHz 0xF2F100FF 0x56960004 4 Delay controls no real change,
-;1 4 <=333MHz 0xF2F100FF 0x56960004 3 just fixing typo in left side.
+;1 4 400MHz 0xF2F100FF 0x56960004 4 The No VTT changes improve timing.
+;1 8 400MHz 0xF2F100FF 0x56960004 4
+;1 4 <=333MHz 0xF2F100FF 0x56960004 3
;1 8 <=333MHz 0xF2F100FF 0x56960004 3
;1 16 <=333MHz 0xF2F100FF 0x56960004 3
*/
@@ -233,8 +225,8 @@
wrmsr(msrnum, msr);
/*
- ; Castle performance setting.
- ; Enable Quack for fewer re-RAS on the MC
+ * LX performance setting.
+ * Enable Quack for fewer re-RAS on the MC
*/
msrnum = GLIU0_ARB;
msr = rdmsr(msrnum);
Index: LinuxBIOSv2/src/cpu/amd/model_lx/vsmsetup.c
===================================================================
--- LinuxBIOSv2.orig/src/cpu/amd/model_lx/vsmsetup.c 2007-05-10 16:09:35.000000000 -0600
+++ LinuxBIOSv2/src/cpu/amd/model_lx/vsmsetup.c 2007-05-10 15:30:05.000000000 -0600
@@ -142,7 +142,8 @@
/* save the stack */
" mov %%esp, __stack \n"
" jmp 1f \n"
- "__stack: .long 0 \n" "1:\n"
+ "__stack: .long 0 \n"
+ "1:\n"
/* get devfn into %%ecx */
" movl %%esp, %%ebp \n"
#if 0
@@ -289,8 +290,7 @@
/* this is the base of rom on the LX at present. At some point, this has to be
* much better parameterized
*/
- /* the VSA starts at the base of rom - 64 */
- //rom = ((unsigned long) 0) - (ROM_SIZE + 64*1024);
+
//VSA is cat onto the end after LB builds
rom = ((unsigned long)0) - (ROM_SIZE + 36 * 1024);
buf = (unsigned char *)VSA2_BUFFER;
@@ -389,7 +389,8 @@
"callbiosint16: \n"
" push %ds \n"
" push %es \n"
- " push %fs \n" " push %gs \n"
+ " push %fs \n"
+ " push %gs \n"
// clean up the int #. To save space we put it in the lower
// byte. But the top 24 bits are junk.
" andl $0xff, %eax\n"
@@ -464,7 +465,8 @@
" pop %ds \n"
" popal \n"
" iret \n"
- " .code32 \n");
+ " .code32 \n"
+ );
}
enum {
@@ -510,7 +512,7 @@
// cases in a good compiler are just as good as your own tables.
switch (intnumber) {
- case 0...15:
+ case 0 ... 15:
// These are not BIOS service, but the CPU-generated exceptions
printk_info("biosint: Oops, exception %u\n", intnumber);
if (esp < 0x1000) {
Index: LinuxBIOSv2/src/include/cpu/amd/geode_post_code.h
===================================================================
--- LinuxBIOSv2.orig/src/include/cpu/amd/geode_post_code.h 2007-05-10 16:11:00.000000000 -0600
+++ LinuxBIOSv2/src/include/cpu/amd/geode_post_code.h 2007-05-10 15:14:52.000000000 -0600
@@ -19,178 +19,178 @@
/* standard AMD post definitions -- might as well use them. */
#define POST_Output_Port (0x080) /* port to write post codes to*/
-#define POST_preSioInit (0x000) /* geode.asm*/
-#define POST_clockInit (0x001) /* geode.asm*/
-#define POST_CPURegInit (0x002) /* geode.asm*/
-#define POST_UNREAL (0x003) /* geode.asm*/
-#define POST_CPUMemRegInit (0x004) /* geode.asm*/
-#define POST_CPUTest (0x005) /* geode.asm*/
-#define POST_memSetup (0x006) /* geode.asm*/
-#define POST_memSetUpStack (0x007) /* geode.asm*/
-#define POST_memTest (0x008) /* geode.asm*/
-#define POST_shadowRom (0x009) /* geode.asm*/
-#define POST_memRAMoptimize (0x00A) /* geode.asm*/
-#define POST_cacheInit (0x00B) /* geode.asm*/
-#define POST_northBridgeInit (0x00C) /* geode.asm*/
-#define POST_chipsetInit (0x00D) /* geode.asm*/
-#define POST_sioTest (0x00E) /* geode.asm*/
-#define POST_pcATjunk (0x00F) /* geode.asm*/
-
-
-#define POST_intTable (0x010) /* geode.asm*/
-#define POST_memInfo (0x011) /* geode.asm*/
-#define POST_romCopy (0x012) /* geode.asm*/
-#define POST_PLLCheck (0x013) /* geode.asm*/
-#define POST_keyboardInit (0x014) /* geode.asm*/
-#define POST_cpuCacheOff (0x015) /* geode.asm*/
-#define POST_BDAInit (0x016) /* geode.asm*/
-#define POST_pciScan (0x017) /* geode.asm*/
-#define POST_optionRomInit (0x018) /* geode.asm*/
-#define POST_ResetLimits (0x019) /* geode.asm*/
-#define POST_summary_screen (0x01A) /* geode.asm*/
-#define POST_Boot (0x01B) /* geode.asm*/
-#define POST_SystemPreInit (0x01C) /* geode.asm*/
-#define POST_ClearRebootFlag (0x01D) /* geode.asm*/
-#define POST_GLIUInit (0x01E) /* geode.asm*/
-#define POST_BootFailed (0x01F) /* geode.asm*/
-
-
-#define POST_CPU_ID (0x020) /* cpucpuid.asm*/
-#define POST_COUNTERBROKEN (0x021) /* pllinit.asm*/
-#define POST_DIFF_DIMMS (0x022) /* pllinit.asm*/
-#define POST_WIGGLE_MEM_LINES (0x023) /* pllinit.asm*/
-#define POST_NO_GLIU_DESC (0x024) /* pllinit.asm*/
-#define POST_CPU_LCD_CHECK (0x025) /* pllinit.asm*/
-#define POST_CPU_LCD_PASS (0x026) /* pllinit.asm*/
-#define POST_CPU_LCD_FAIL (0x027) /* pllinit.asm*/
-#define POST_CPU_STEPPING (0x028) /* cpucpuid.asm*/
-#define POST_CPU_DM_BIST_FAILURE (0x029) /* gx2reg.asm*/
-#define POST_CPU_FLAGS (0x02A) /* cpucpuid.asm*/
-#define POST_CHIPSET_ID (0x02b) /* chipset.asm*/
-#define POST_CHIPSET_ID_PASS (0x02c) /* chipset.asm*/
-#define POST_CHIPSET_ID_FAIL (0x02d) /* chipset.asm*/
-#define POST_CPU_ID_GOOD (0x02E) /* cpucpuid.asm*/
-#define POST_CPU_ID_FAIL (0x02F) /* cpucpuid.asm*/
+#define POST_preSioInit (0x000)
+#define POST_clockInit (0x001)
+#define POST_CPURegInit (0x002)
+#define POST_UNREAL (0x003)
+#define POST_CPUMemRegInit (0x004)
+#define POST_CPUTest (0x005)
+#define POST_memSetup (0x006)
+#define POST_memSetUpStack (0x007)
+#define POST_memTest (0x008)
+#define POST_shadowRom (0x009)
+#define POST_memRAMoptimize (0x00A)
+#define POST_cacheInit (0x00B)
+#define POST_northBridgeInit (0x00C)
+#define POST_chipsetInit (0x00D)
+#define POST_sioTest (0x00E)
+#define POST_pcATjunk (0x00F)
+
+
+#define POST_intTable (0x010)
+#define POST_memInfo (0x011)
+#define POST_romCopy (0x012)
+#define POST_PLLCheck (0x013)
+#define POST_keyboardInit (0x014)
+#define POST_cpuCacheOff (0x015)
+#define POST_BDAInit (0x016)
+#define POST_pciScan (0x017)
+#define POST_optionRomInit (0x018)
+#define POST_ResetLimits (0x019)
+#define POST_summary_screen (0x01A)
+#define POST_Boot (0x01B)
+#define POST_SystemPreInit (0x01C)
+#define POST_ClearRebootFlag (0x01D)
+#define POST_GLIUInit (0x01E)
+#define POST_BootFailed (0x01F)
+
+
+#define POST_CPU_ID (0x020)
+#define POST_COUNTERBROKEN (0x021)
+#define POST_DIFF_DIMMS (0x022)
+#define POST_WIGGLE_MEM_LINES (0x023)
+#define POST_NO_GLIU_DESC (0x024)
+#define POST_CPU_LCD_CHECK (0x025)
+#define POST_CPU_LCD_PASS (0x026)
+#define POST_CPU_LCD_FAIL (0x027)
+#define POST_CPU_STEPPING (0x028)
+#define POST_CPU_DM_BIST_FAILURE (0x029)
+#define POST_CPU_FLAGS (0x02A)
+#define POST_CHIPSET_ID (0x02b)
+#define POST_CHIPSET_ID_PASS (0x02c)
+#define POST_CHIPSET_ID_FAIL (0x02d)
+#define POST_CPU_ID_GOOD (0x02E)
+#define POST_CPU_ID_FAIL (0x02F)
/* PCI config*/
-#define P80_PCICFG (0x030) /* pcispace.asm*/
+#define P80_PCICFG (0x030)
/* PCI io*/
-#define P80_PCIIO (0x040) /* pcispace.asm*/
+#define P80_PCIIO (0x040)
/* PCI memory*/
-#define P80_PCIMEM (0x050) /* pcispace.asm*/
+#define P80_PCIMEM (0x050)
/* SIO*/
-#define P80_SIO (0x060) /* *sio.asm*/
+#define P80_SIO (0x060)
/* Memory Setp*/
-#define P80_MEM_SETUP (0x070) /* docboot meminit*/
-#define POST_MEM_SETUP (0x070) /* memsize.asm*/
-#define ERROR_32BIT_DIMMS (0x071) /* memsize.asm*/
-#define POST_MEM_SETUP2 (0x072) /* memsize.asm*/
-#define POST_MEM_SETUP3 (0x073) /* memsize.asm*/
-#define POST_MEM_SETUP4 (0x074) /* memsize.asm*/
-#define POST_MEM_SETUP5 (0x075) /* memsize.asm*/
-#define POST_MEM_ENABLE (0x076) /* memsize.asm*/
-#define ERROR_NO_DIMMS (0x077) /* memsize.asm*/
-#define ERROR_DIFF_DIMMS (0x078) /* memsize.asm*/
-#define ERROR_BAD_LATENCY (0x079) /* memsize.asm*/
-#define ERROR_SET_PAGE (0x07a) /* memsize.asm*/
-#define ERROR_DENSITY_DIMM (0x07b) /* memsize.asm*/
-#define ERROR_UNSUPPORTED_DIMM (0x07c) /* memsize.asm*/
-#define ERROR_BANK_SET (0x07d) /* memsize.asm*/
-#define POST_MEM_SETUP_GOOD (0x07E) /* memsize.asm*/
-#define POST_MEM_SETUP_FAIL (0x07F) /* memsize.asm*/
-
-
-#define POST_UserPreInit (0x080) /* geode.asm*/
-#define POST_UserPostInit (0x081) /* geode.asm*/
-#define POST_Equipment_check (0x082) /* geode.asm*/
-#define POST_InitNVRAMBX (0x083) /* geode.asm*/
-#define POST_NoPIRTable (0x084) /* pci.asm*/
-#define POST_ChipsetFingerPrintPass (0x085) /* prechipsetinit*/
-#define POST_ChipsetFingerPrintFail (0x086) /* prechipsetinit*/
-#define POST_CPU_IM_TAG_BIST_FAILURE (0x087) /* gx2reg.asm*/
-#define POST_CPU_IM_DATA_BIST_FAILURE (0x088) /* gx2reg.asm*/
-#define POST_CPU_FPU_BIST_FAILURE (0x089) /* gx2reg.asm*/
-#define POST_CPU_BTB_BIST_FAILURE (0x08a) /* gx2reg.asm*/
-#define POST_CPU_EX_BIST_FAILURE (0x08b) /* gx2reg.asm*/
-#define POST_Chipset_PI_Test_Fail (0x08c) /* prechipsetinit*/
-#define POST_Chipset_SMBus_SDA_Test_Fail (0x08d) /* prechipsetinit*/
-#define POST_BIT_CLK_Fail (0x08e) /* Hawk geode.asm override*/
-
-
-#define POST_STACK_SETUP (0x090) /* memstack.asm*/
-#define POST_CPU_PF_BIST_FAILURE (0x091) /* gx2reg.asm*/
-#define POST_CPU_L2_BIST_FAILURE (0x092) /* gx2reg.asm*/
-#define POST_CPU_GLCP_BIST_FAILURE (0x093) /* gx2reg.asm*/
-#define POST_CPU_DF_BIST_FAILURE (0x094) /* gx2reg.asm*/
-#define POST_CPU_VG_BIST_FAILURE (0x095) /* gx2reg.asm*/
-#define POST_CPU_VIP_BIST_FAILURE (0x096) /* gx2reg.asm*/
-#define POST_STACK_SETUP_PASS (0x09E) /* memstack.asm*/
-#define POST_STACK_SETUP_FAIL (0x09F) /* memstack.asm*/
-
-
-#define POST_PLL_INIT (0x0A0) /* pllinit.asm*/
-#define POST_PLL_MANUAL (0x0A1) /* pllinit.asm*/
-#define POST_PLL_STRAP (0x0A2) /* pllinit.asm*/
-#define POST_PLL_RESET_FAIL (0x0A3) /* pllinit.asm*/
-#define POST_PLL_PCI_FAIL (0x0A4) /* pllinit.asm*/
-#define POST_PLL_MEM_FAIL (0x0A5) /* pllinit.asm*/
-#define POST_PLL_CPU_VER_FAIL (0x0A6) /* pllinit.asm*/
-
-
-#define POST_MEM_TESTMEM (0x0B0) /* memtest.asm*/
-#define POST_MEM_TESTMEM1 (0x0B1) /* memtest.asm*/
-#define POST_MEM_TESTMEM2 (0x0B2) /* memtest.asm*/
-#define POST_MEM_TESTMEM3 (0x0B3) /* memtest.asm*/
-#define POST_MEM_TESTMEM4 (0x0B4) /* memtest.asm*/
-#define POST_MEM_TESTMEM_PASS (0x0BE) /* memtest.asm*/
-#define POST_MEM_TESTMEM_FAIL (0x0BF) /* memtest.asm*/
-
-
-#define POST_SECUROM_SECBOOT_START (0x0C0) /* secstart.asm*/
-#define POST_SECUROM_BOOTSRCSETUP (0x0C1) /* secstart.asm*/
-#define POST_SECUROM_REMAP_FAIL (0x0C2) /* secstart.asm*/
-#define POST_SECUROM_BOOTSRCSETUP_FAIL (0x0C3) /* secstart.asm*/
-#define POST_SECUROM_DCACHESETUP (0x0C4) /* secstart.asm*/
-#define POST_SECUROM_DCACHESETUP_FAIL (0x0C5) /* secstart.asm*/
-#define POST_SECUROM_ICACHESETUP (0x0C6) /* secstart.asm*/
-#define POST_SECUROM_DESCRIPTORSETUP (0x0C7) /* secstart.asm*/
-#define POST_SECUROM_DCACHESETUPBIOS (0x0C8) /* secstart.asm*/
-#define POST_SECUROM_PLATFORMSETUP (0x0C9) /* secstart.asm*/
-#define POST_SECUROM_SIGCHECKBIOS (0x0CA) /* secstart.asm*/
-#define POST_SECUROM_ICACHESETUPBIOS (0x0CB) /* secstart.asm*/
-#define POST_SECUROM_PASS (0x0CC) /* secstart.asm*/
-#define POST_SECUROM_FAIL (0x0CD) /* secstart.asm*/
-
-#define POST_RCONFInitError (0x0CE) /* cache.asm*/
-#define POST_CacheInitError (0x0CF) /* cache.asm*/
-
-
-#define POST_ROM_PREUNCOMPRESS (0x0D0) /* rominit.asm*/
-#define POST_ROM_UNCOMPRESS (0x0D1) /* rominit.asm*/
-#define POST_ROM_SMM_INIT (0x0D2) /* rominit.asm*/
-#define POST_ROM_VID_BIOS (0x0D3) /* rominit.asm*/
-#define POST_ROM_LCDINIT (0x0D4) /* rominit.asm*/
-#define POST_ROM_SPLASH (0x0D5) /* rominit.asm*/
-#define POST_ROM_HDDINIT (0x0D6) /* rominit.asm*/
-#define POST_ROM_SYS_INIT (0x0D7) /* rominit.asm*/
-#define POST_ROM_DMM_INIT (0x0D8) /* rominit.asm*/
-#define POST_ROM_TVINIT (0x0D9) /* rominit.asm*/
+#define P80_MEM_SETUP (0x070)
+#define POST_MEM_SETUP (0x070)
+#define ERROR_32BIT_DIMMS (0x071)
+#define POST_MEM_SETUP2 (0x072)
+#define POST_MEM_SETUP3 (0x073)
+#define POST_MEM_SETUP4 (0x074)
+#define POST_MEM_SETUP5 (0x075)
+#define POST_MEM_ENABLE (0x076)
+#define ERROR_NO_DIMMS (0x077)
+#define ERROR_DIFF_DIMMS (0x078)
+#define ERROR_BAD_LATENCY (0x079)
+#define ERROR_SET_PAGE (0x07a)
+#define ERROR_DENSITY_DIMM (0x07b)
+#define ERROR_UNSUPPORTED_DIMM (0x07c)
+#define ERROR_BANK_SET (0x07d)
+#define POST_MEM_SETUP_GOOD (0x07E)
+#define POST_MEM_SETUP_FAIL (0x07F)
+
+
+#define POST_UserPreInit (0x080)
+#define POST_UserPostInit (0x081)
+#define POST_Equipment_check (0x082)
+#define POST_InitNVRAMBX (0x083)
+#define POST_NoPIRTable (0x084)
+#define POST_ChipsetFingerPrintPass (0x085)
+#define POST_ChipsetFingerPrintFail (0x086)
+#define POST_CPU_IM_TAG_BIST_FAILURE (0x087)
+#define POST_CPU_IM_DATA_BIST_FAILURE (0x088)
+#define POST_CPU_FPU_BIST_FAILURE (0x089)
+#define POST_CPU_BTB_BIST_FAILURE (0x08a)
+#define POST_CPU_EX_BIST_FAILURE (0x08b)
+#define POST_Chipset_PI_Test_Fail (0x08c)
+#define POST_Chipset_SMBus_SDA_Test_Fail (0x08d)
+#define POST_BIT_CLK_Fail (0x08e)
+
+
+#define POST_STACK_SETUP (0x090)
+#define POST_CPU_PF_BIST_FAILURE (0x091)
+#define POST_CPU_L2_BIST_FAILURE (0x092)
+#define POST_CPU_GLCP_BIST_FAILURE (0x093)
+#define POST_CPU_DF_BIST_FAILURE (0x094)
+#define POST_CPU_VG_BIST_FAILURE (0x095)
+#define POST_CPU_VIP_BIST_FAILURE (0x096)
+#define POST_STACK_SETUP_PASS (0x09E)
+#define POST_STACK_SETUP_FAIL (0x09F)
+
+
+#define POST_PLL_INIT (0x0A0)
+#define POST_PLL_MANUAL (0x0A1)
+#define POST_PLL_STRAP (0x0A2)
+#define POST_PLL_RESET_FAIL (0x0A3)
+#define POST_PLL_PCI_FAIL (0x0A4)
+#define POST_PLL_MEM_FAIL (0x0A5)
+#define POST_PLL_CPU_VER_FAIL (0x0A6)
+
+
+#define POST_MEM_TESTMEM (0x0B0)
+#define POST_MEM_TESTMEM1 (0x0B1)
+#define POST_MEM_TESTMEM2 (0x0B2)
+#define POST_MEM_TESTMEM3 (0x0B3)
+#define POST_MEM_TESTMEM4 (0x0B4)
+#define POST_MEM_TESTMEM_PASS (0x0BE)
+#define POST_MEM_TESTMEM_FAIL (0x0BF)
+
+
+#define POST_SECUROM_SECBOOT_START (0x0C0)
+#define POST_SECUROM_BOOTSRCSETUP (0x0C1)
+#define POST_SECUROM_REMAP_FAIL (0x0C2)
+#define POST_SECUROM_BOOTSRCSETUP_FAIL (0x0C3)
+#define POST_SECUROM_DCACHESETUP (0x0C4)
+#define POST_SECUROM_DCACHESETUP_FAIL (0x0C5)
+#define POST_SECUROM_ICACHESETUP (0x0C6)
+#define POST_SECUROM_DESCRIPTORSETUP (0x0C7)
+#define POST_SECUROM_DCACHESETUPBIOS (0x0C8)
+#define POST_SECUROM_PLATFORMSETUP (0x0C9)
+#define POST_SECUROM_SIGCHECKBIOS (0x0CA)
+#define POST_SECUROM_ICACHESETUPBIOS (0x0CB)
+#define POST_SECUROM_PASS (0x0CC)
+#define POST_SECUROM_FAIL (0x0CD)
+
+#define POST_RCONFInitError (0x0CE)
+#define POST_CacheInitError (0x0CF)
+
+
+#define POST_ROM_PREUNCOMPRESS (0x0D0)
+#define POST_ROM_UNCOMPRESS (0x0D1)
+#define POST_ROM_SMM_INIT (0x0D2)
+#define POST_ROM_VID_BIOS (0x0D3)
+#define POST_ROM_LCDINIT (0x0D4)
+#define POST_ROM_SPLASH (0x0D5)
+#define POST_ROM_HDDINIT (0x0D6)
+#define POST_ROM_SYS_INIT (0x0D7)
+#define POST_ROM_DMM_INIT (0x0D8)
+#define POST_ROM_TVINIT (0x0D9)
#define POST_ROM_POSTUNCOMPRESS (0x0DE)
-#define P80_CHIPSET_INIT (0x0E0) /* chipset.asm*/
-#define POST_PreChipsetInit (0x0E1) /* geode.asm*/
-#define POST_LateChipsetInit (0x0E2) /* geode.asm*/
-#define POST_NORTHB_INIT (0x0E8) /* northb.asm*/
+#define P80_CHIPSET_INIT (0x0E0)
+#define POST_PreChipsetInit (0x0E1)
+#define POST_LateChipsetInit (0x0E2)
+#define POST_NORTHB_INIT (0x0E8)
-#define POST_INTR_SEG_JUMP (0x0F0) /* vector.asm*/
+#define POST_INTR_SEG_JUMP (0x0F0)
Index: LinuxBIOSv2/src/include/cpu/amd/vr.h
===================================================================
--- LinuxBIOSv2.orig/src/include/cpu/amd/vr.h 2007-05-10 16:11:46.000000000 -0600
+++ LinuxBIOSv2/src/include/cpu/amd/vr.h 2007-05-10 15:16:22.000000000 -0600
@@ -476,8 +476,6 @@
/*
* Write to a Virtual Register
- * AX = Class/Index
- * CX = data to write
*/
static inline void vrWrite(uint16_t wClassIndex, uint16_t wData)
{
@@ -487,7 +485,6 @@
/*
* Read from a Virtual Register
- * AX = Class/Index
* Returns a 16-bit word of data
*/
static inline uint16_t vrRead(uint16_t wClassIndex)
Index: LinuxBIOSv2/src/northbridge/amd/lx/northbridge.c
===================================================================
--- LinuxBIOSv2.orig/src/northbridge/amd/lx/northbridge.c 2007-05-10 16:13:06.000000000 -0600
+++ LinuxBIOSv2/src/northbridge/amd/lx/northbridge.c 2007-05-10 15:18:39.000000000 -0600
@@ -127,6 +127,7 @@
int sizem = 0;
unsigned short dimm;
+ /* Get the RAM size from the memory controller as calculated and set by auto_size_dimm() */
msr = rdmsr(MC_CF07_DATA);
printk_debug("sizeram: _MSR MC_CF07_DATA: %08x:%08x\n", msr.hi, msr.lo);
@@ -134,14 +135,14 @@
dimm = msr.hi;
/* installed? */
if ((dimm & 7) != 7) {
- sizem = 4 << ((dimm >> 12) & 0x0F);
+ sizem = 4 << ((dimm >> 12) & 0x0F); /* 1:8MB, 2:16MB, 3:32MB, 4:64MB, ... 7:512MB, 8:1GB */
}
/* dimm 1 */
dimm = msr.hi >> 16;
/* installed? */
if ((dimm & 7) != 7) {
- sizem += 4 << ((dimm >> 12) & 0x0F);
+ sizem += 4 << ((dimm >> 12) & 0x0F); /* 1:8MB, 2:16MB, 3:32MB, 4:64MB, ... 7:512MB, 8:1GB */
}
printk_debug("sizeram: sizem 0x%xMB\n", sizem);
Index: LinuxBIOSv2/src/southbridge/amd/cs5536/cs5536.c
===================================================================
--- LinuxBIOSv2.orig/src/southbridge/amd/cs5536/cs5536.c 2007-05-10 16:15:32.000000000 -0600
+++ LinuxBIOSv2/src/southbridge/amd/cs5536/cs5536.c 2007-05-10 15:20:21.000000000 -0600
@@ -131,14 +131,12 @@
/* PM_SED */
port = (PMS_IO_BASE + 0x014);
-/* mov eax, 0x057642 ; 100ms, works*/
- val = 0x04601; /* 5ms */
+ val = 0x04601; /* 5ms, # of 3.57954MHz clock edges */
outl(val, port);
/* PM_SIDD */
port = (PMS_IO_BASE + 0x020);
-/* mov eax, 0x0AEC84 ; 200ms, works*/
- val = 0x08C02; /* 10ms */
+ val = 0x08C02; /* 10ms, # of 3.57954MHz clock edges */
outl(val, port);
}
Index: LinuxBIOSv2/src/southbridge/amd/cs5536/cs5536_early_setup.c
===================================================================
--- LinuxBIOSv2.orig/src/southbridge/amd/cs5536/cs5536_early_setup.c 2007-05-10 16:16:53.000000000 -0600
+++ LinuxBIOSv2/src/southbridge/amd/cs5536/cs5536_early_setup.c 2007-05-10 15:32:40.000000000 -0600
@@ -97,10 +97,10 @@
/* Power Button Setup */
outl(0x40020000, PMS_IO_BASE + 0x40);
- /* setup GPIO24, it is the external signal for 5536 vsb_work_aux
- * which controls all voltage rails except Vstandby & Vmem.
+ /* setup WORK_AUX/GPIO24, it is the external signal for 5536
+ * vsb_work_aux controls all voltage rails except Vstandby & Vmem.
* We need to enable, OUT_AUX1 and OUTPUT_ENABLE in this order.
- * If GPIO24 is not enabled then soft-off will not work.
+ * If WORK_AUX/GPIO24 is not enabled then soft-off will not work.
*/
outl(GPIOH_24_SET, GPIO_IO_BASE + GPIOH_OUT_AUX1_SELECT);
outl(GPIOH_24_SET, GPIO_IO_BASE + GPIOH_OUTPUT_ENABLE);
@@ -127,7 +127,7 @@
{
msr_t msr;
/* The UARTs default to enabled.
- * Disable and reset them and configure them later. (SIO init)
+ * Disable and reset them and configure them later. (SIO init)
*/
msr = rdmsr(MDD_UART1_CONF);
msr.lo = 1; // reset
11 May
11 May
1:17 a.m.
New subject: [LinuxBIOS] [PATCH 1/3] Geode file updates based on code review comments
Marc Jones wrote:
This patch cleans up and clarifies Geode source code comments.
Index: LinuxBIOSv2/src/cpu/amd/model_lx/vsmsetup.c
--- LinuxBIOSv2.orig/src/cpu/amd/model_lx/vsmsetup.c 2007-05-10 16:09:35.000000000 -0600 +++ LinuxBIOSv2/src/cpu/amd/model_lx/vsmsetup.c 2007-05-10 15:30:05.000000000 -0600 @@ -142,7 +142,8 @@ /* save the stack */ " mov %%esp, __stack \n" " jmp 1f \n"
"__stack: .long 0 \n" "1:\n"
"__stack: .long 0 \n""1:\n"
Looks like I got Stefan's whitespace patch fix in with mine and I didn't quilt it correctly. It should still patch and check into svn correctly. Sorry. Marc
--
Marc Jones
Senior Software Engineer
(970) 226-9684 Office
mailto:Marc.Jones@amd.com
http://www.amd.com/embeddedprocessors
1:23 a.m.
* Marc Jones marc.jones@amd.com [070511 01:00]:
This patch cleans up and clarifies Geode source code comments.
Signed-off-by: Marc Jones marc.jones@amd.com
r2658
--
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Marc Jones -
Stefan Reinauer