[LinuxBIOS] r369 - in LinuxBIOSv3/southbridge: amd/cs5536 intel/i82371eb
Marc Jones
Marc.Jones at AMD.com
Thu Jun 28 01:10:43 CEST 2007
Peter Stuge wrote:
>On Wed, Jun 27, 2007 at 09:14:27PM +0200, svn at openbios.org wrote:
>
>
>>+ /* PM_WKXD */
>>+ /* Make sure bits[3:0]=0000b to clear the */
>>+ /* saved Sx state */
>>+ port = (PMS_IO_BASE + 0x034);
>>+ val = 0x0A0; /* 5ms */
>>+ outl(val, port);
>>
>>
>
>This construct is all over the file. There is a #define PM_WKXD 0x034
>so please change the code to use it and remove the comment.
>
>
>
>
yes
>>+#define RTC_CENTURY 0x32
>>+#define RTC_DOMA 0x3D
>>+#define RTC_MONA 0x3E
>>
>>
>
>Perhaps these should go into some .h?
>
>
>
Yes, I think that this could go into the 5536.h. Note that this is
defining cmos tokens so I guess that the geode cmos map should be
updated to match.
>
>
>>+ /* COM1 */
>>+ if (sb->com1_enable) {
>>+ /* Set the address */
>>+ switch (sb->com1_address) {
>>+ case 0x3F8:
>>+ case 0x3E8:
>>+ case 0x2F8:
>>+ case 0x2E8:
>>
>>
>
>Maybe there should be a default: here to catch problems in the dts?
>
>
>
>
>
>
I might not be clear on what you mean by default but the dts does have a
default value.
>
>
>
>>+/**
>>+ * Depending on settings in the config struct, enable COM1 or COM2 or both.
>>
>>
>
>
>
>>+ * If the enable is NOT set, the UARTS are explicitly disabled, which is required
>>+ * if (e.g.) there is a superio attached that does COM1 or COM2.
>>+ * @param southbridge config structure
>>+ */
>>+static void enable_USB_port4(struct southbridge_amd_cs5536_config *sb)
>>
>>
>
>The comment is obviously wrong for USB. :)
>
>
>
>
>>+ /* ; EECP=50h, IST=01h, ASPC=1 */
>>+ *(bar + HCCPARAMS) = 0x00005012;
>>
>>
>
>Don't know if these exist as defines, but they should.
>
>
>
>
yes.
>>+ /* Disable virtual PCI UDC and OTG headers */
>>+ dev = dev_find_device(PCI_VENDOR_ID_AMD,
>>+ PCI_DEVICE_ID_AMD_CS5536_UDC, 0);
>>+ if (dev) {
>>+ pci_write_config32(dev, 0x7C, 0xDEADBEEF);
>>+ }
>>+
>>+ dev = dev_find_device(PCI_VENDOR_ID_AMD,
>>+ PCI_DEVICE_ID_AMD_CS5536_OTG, 0);
>>+ if (dev) {
>>+ pci_write_config32(dev, 0x7C, 0xDEADBEEF);
>>+ }
>>
>>
>
>#define 0x7C ?
>
>
>
>
yes.
>>+ post_code(P80_CHIPSET_INIT);
>>
>>
>
>I would love to see the POST code mess unified before there are ten
>boards in v3 all using their own slightly different code and define
>style.
>
>
>
>
Ron, Stephan, Jordan, and I discussed this today. Nothing was resolved
but we recognized that we need a consitant scheme.
>>+ /* we hope NEVER to be in linuxbios when S3 resumes
>>+ if (! IsS3Resume()) */
>>
>>
>
>This comment is still bad. Marc and/or Jordan and I talked about it
>on IRC a while ago and it's not as bad as it sounds but the comment
>should really change. I don't remember the details anymore. :\
>
>
>
>
I would like this line removed. There are a number of items that need to
be done before S3 resume can be tackled in LB.
>>+ /* Allow IO read and writes during a ATA DMA operation. */
>>+ /* This could be done in the HD rom but do it here for easier debugging. */
>>
>>
>
>long lines..
>
>
>
>
>>+ msrnum = ATA_SB_GLD_MSR_ERR;
>>+ msr = rdmsr(msrnum);
>>+ msr.lo &= ~0x100;
>>+ wrmsr(msrnum, msr);
>>
>>
>
>#define 0x100 ?
>
>
>
>
yes
>>+#warning Add back in unwanted VPCI support
>>+#if 0
>>+ /* disable unwanted virtual PCI devices */
>>+ for (i = 0; (i < MAX_UNWANTED_VPCI) && (0 != sb->unwanted_vpci[i]); i++) {
>>+ printk(BIOS_DEBUG, "Disabling VPCI device: 0x%08X\n",
>>+ sb->unwanted_vpci[i]);
>>+ outl(sb->unwanted_vpci[i] + 0x7C, 0xCF8);
>>
>>
>
>Here's 0x7c again. Same value? #define ?
>
>
>
>
>>+ outl(0xDEADBEEF, 0xCFC);
>>+ }
>>+#endif
>>
>>
>
>Should all of this code just be deleted?
>
>
>Other than that this is becoming pretty beautiful code!! :)
>
>
>//Peter
>
>
>
So, I will make a patch of the defines tonight once Ron has his other
changes in.
Marc
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