-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello,
Following patch adds support for resume on VT8237 based motherboards. The NB part of this patch adds support for resume well NVRAM. In which DQS values are stored. Signed-off-by: Rudolf Marek <[email protected]> Rudolf -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkng3NkACgkQ3J9wPJqZRNUabACgt7bHzQIx+VA157v4TyfSi5G/ GW4An3Yna5/7wqC4HhCxMrjNP2V7Rszd =wsnP -----END PGP SIGNATURE-----
Index: src/southbridge/via/vt8237r/vt8237r_early_smbus.c
===================================================================
--- src/southbridge/via/vt8237r/vt8237r_early_smbus.c (revision 4093)
+++ src/southbridge/via/vt8237r/vt8237r_early_smbus.c (working copy)
@@ -294,6 +294,37 @@
pci_write_config8(dev, 0x41, 0x7f);
}
+#define ACPI_IS_WAKEUP_EARLY 1
+
+int acpi_is_wakeup_early(void) {
+ device_t dev;
+ u16 tmp;
+
+ print_debug("IN TEST WAKEUP\n");
+
+ /* Power management controller */
+ dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
+ if (dev == PCI_DEV_INVALID) {
+ /* Power management controller */
+ dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_VT8237S_LPC), 0);
+ if (dev == PCI_DEV_INVALID)
+ die("Power management controller not found\r\n");
+ }
+
+ /* Set ACPI base address to I/O VT8237R_ACPI_IO_BASE. */
+ pci_write_config16(dev, 0x88, VT8237R_ACPI_IO_BASE | 0x1);
+
+ /* Enable ACPI accessm RTC signal gated with PSON. */
+ pci_write_config8(dev, 0x81, 0x84);
+
+ tmp = inw(VT8237R_ACPI_IO_BASE + 0x04);
+
+ print_debug_hex8(tmp);
+ return ((tmp & (7 << 10)) >> 10) == 1 ? 3 : 0 ;
+}
+
#if defined(__GNUC__)
void vt8237_early_spi_init(void)
{
Index: src/southbridge/via/vt8237r/vt8237r_lpc.c
===================================================================
--- src/southbridge/via/vt8237r/vt8237r_lpc.c (revision 4093)
+++ src/southbridge/via/vt8237r/vt8237r_lpc.c (working copy)
@@ -149,8 +149,13 @@
* Set up the power management capabilities directly into ACPI mode.
* This avoids having to handle any System Management Interrupts (SMIs).
*/
+
+extern u8 acpi_slp_type;
+
+
static void setup_pm(device_t dev)
{
+ u16 tmp;
/* Debounce LID and PWRBTN# Inputs for 16ms. */
pci_write_config8(dev, 0x80, 0x20);
@@ -171,10 +176,10 @@
/*
* 7 = SMBus clock from RTC 32.768KHz
- * 5 = Internal PLL reset from susp
- * 2 = GPO2 is GPIO
+ * 5 = Internal PLL reset from susp disabled
+ * 2 = GPO2 is SUSA#
*/
- pci_write_config8(dev, 0x94, 0xa4);
+ pci_write_config8(dev, 0x94, 0xa0);
/*
* 7 = stp to sust delay 1msec
@@ -219,7 +224,17 @@
outb(0x0, VT8237R_ACPI_IO_BASE + 0x42);
/* SCI is generated for RTC/pwrBtn/slpBtn. */
- outw(0x001, VT8237R_ACPI_IO_BASE + 0x04);
+ tmp = inw(VT8237R_ACPI_IO_BASE + 0x04);
+ acpi_slp_type = ((tmp & (7 << 10)) >> 10) == 1 ? 3 : 0 ;
+ printk_debug("SLP_TYP type was %x %x\n", tmp, acpi_slp_type);
+ /* clear sleep */
+ tmp &= ~(7 << 10);
+ tmp |= 1;
+ outw(tmp, VT8237R_ACPI_IO_BASE + 0x04);
+
+
+
+
}
static void vt8237r_init(struct device *dev)
Index: src/southbridge/via/k8t890/k8t890_early_car.c
===================================================================
--- src/southbridge/via/k8t890/k8t890_early_car.c (revision 4093)
+++ src/southbridge/via/k8t890/k8t890_early_car.c (working copy)
@@ -23,7 +23,16 @@
*/
#include <stdlib.h>
+//include "k8t890.h"
+#warning hack the right header here
+/* The 256 bytes of NVRAM for S3 storage, 256B aligned */
+#define K8T890_NVRAM_IO_BASE 0xf00
+#define K8T890_MULTIPLE_FN_EN 0x4f
+/* we provide S3 NVRAM to system */
+#define S3_NVRAM_EARLY 1
+
+
/* AMD K8 LDT0, LDT1, LDT2 Link Control Registers */
static ldtreg[3] = {0x86, 0xa6, 0xc6};
@@ -33,10 +42,22 @@
u8 k8t890_early_setup_ht(void)
{
- u8 awidth, afreq, cldtfreq;
+ u8 awidth, afreq, cldtfreq, reg;
u8 cldtwidth_in, cldtwidth_out, vldtwidth_in, vldtwidth_out, ldtnr, width;
u16 vldtcaps;
+ /* hack, enable NVRAM in chipset */
+ pci_write_config8(PCI_DEV(0, 0x0, 0), K8T890_MULTIPLE_FN_EN, 0x01);
+
+ /*
+ * NVRAM I/O base at K8T890_NVRAM_IO_BASE
+ */
+
+ pci_write_config8(PCI_DEV(0, 0x0, 2), 0xa2, (K8T890_NVRAM_IO_BASE >> 8));
+ reg = pci_read_config8(PCI_DEV(0, 0x0, 2), 0xa1);
+ reg |= 0x1;
+ pci_write_config8(PCI_DEV(0, 0x0, 2), 0xa1, reg);
+
/* check if connected non coherent, initcomplete (find the SB on K8 side) */
if (0x7 == pci_read_config8(PCI_DEV(0, 0x18, 0), 0x98)) {
ldtnr = 0;
@@ -90,3 +111,44 @@
return 1;
}
+
+int s3_save_nvram_early(u32 dword, int size, int nvram_pos) {
+
+ printk_debug("Writing %x of size %d to nvram pos: %d\n", dword, size, nvram_pos);
+ switch (size) {
+ case 1:
+ outb((dword & 0xff), K8T890_NVRAM_IO_BASE+nvram_pos);
+ nvram_pos +=1;
+ break;
+ case 2:
+ outw((dword & 0xffff), K8T890_NVRAM_IO_BASE+nvram_pos);
+ nvram_pos +=2;
+ break;
+ default:
+ outl(dword, K8T890_NVRAM_IO_BASE+nvram_pos);
+ nvram_pos +=4;
+ break;
+ }
+ return nvram_pos;
+}
+
+int s3_load_nvram_early(int size, u32 *old_dword, int nvram_pos) {
+ switch (size) {
+ case 1:
+ *old_dword &= ~0xff;
+ *old_dword |= inb(K8T890_NVRAM_IO_BASE+nvram_pos);
+ nvram_pos +=1;
+ break;
+ case 2:
+ *old_dword &= ~0xffff;
+ *old_dword |= inw(K8T890_NVRAM_IO_BASE+nvram_pos);
+ nvram_pos +=2;
+ break;
+ default:
+ *old_dword = inl(K8T890_NVRAM_IO_BASE+nvram_pos);
+ nvram_pos +=4;
+ break;
+ }
+ printk_debug("Loading %x of size %d to nvram pos:%d\n", * old_dword, size, nvram_pos-size);
+ return nvram_pos;
+}
Index: src/southbridge/via/k8t890/k8t890_host_ctrl.c
===================================================================
--- src/southbridge/via/k8t890/k8t890_host_ctrl.c (revision 4093)
+++ src/southbridge/via/k8t890/k8t890_host_ctrl.c (working copy)
@@ -37,14 +37,14 @@
*/
pci_write_config8(dev, 0xa0, 0x13);
- /* Disable NVRAM and enable non-posted PCI writes. */
- pci_write_config8(dev, 0xa1, 0x8e);
-
/*
- * NVRAM I/O base 0xe00-0xeff, but it is disabled.
+ * NVRAM I/O base at K8T890_NVRAM_IO_BASE
* Some bits are set and reserved.
*/
- pci_write_config8(dev, 0xa2, 0x0e);
+ pci_write_config8(dev, 0xa2, (K8T890_NVRAM_IO_BASE >> 8));
+
+ /* enable NB NVRAM and enable non-posted PCI writes. */
+ pci_write_config8(dev, 0xa1, 0x8f);
/* Arbitration control, some bits are reserved. */
pci_write_config8(dev, 0xa5, 0x3c);
@@ -95,14 +95,15 @@
*/
pci_write_config8(dev, 0xa0, 0x13);
- /* Disable NVRAM and enable non-posted PCI writes. */
- pci_write_config8(dev, 0xa1, 0x8e);
-
/*
- * NVRAM I/O base 0xe00-0xeff, but it is disabled.
+ * NVRAM I/O base at K8T890_NVRAM_IO_BASE
*/
- pci_write_config8(dev, 0xa2, 0x0e);
+ pci_write_config8(dev, 0xa2, (K8T890_NVRAM_IO_BASE >> 8));
+
+ /* Enable NVRAM and enable non-posted PCI writes. */
+ pci_write_config8(dev, 0xa1, 0x8f);
+
/* Arbitration control */
pci_write_config8(dev, 0xa5, 0x3c);
Index: src/southbridge/via/k8t890/k8t890.h
===================================================================
--- src/southbridge/via/k8t890/k8t890.h (revision 4093)
+++ src/southbridge/via/k8t890/k8t890.h (working copy)
@@ -29,6 +29,9 @@
*/
#define K8T890_APIC_BASE 0xfecc0000
+/* The 256 bytes of NVRAM for S3 storage, 256B aligned */
+#define K8T890_NVRAM_IO_BASE 0xf00
+
#define K8T890_MMCONFIG_MBAR 0x61
#define K8T890_MULTIPLE_FN_EN 0x4f
@@ -36,6 +39,7 @@
#define K8M890_FBSIZEMB 64
#include <device/device.h>
+
extern void writeback(struct device *dev, u16 where, u8 what);
extern void dump_south(device_t dev);
s3_chipset_support.patch.sig
Description: Binary data
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