Zheng Bao (zheng.bao@amd.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/621
-gerrit
commit a3650b6cd356973f8b89c955533137be5cfa4b47 Author: zbao fishbaozi@gmail.com Date: Thu Apr 5 13:18:49 2012 +0800
Add Southbridge support for S3.
1. Add some CIMX call for S3. 2. Detect sleep type.
Change-Id: I62888e8d8a03987ca88f5c935fa660f6b49a4fe9 Signed-off-by: Zheng Bao zheng.bao@amd.com Signed-off-by: zbao fishbaozi@gmail.com --- src/southbridge/amd/Makefile.inc | 11 +++++ src/southbridge/amd/cimx/sb800/SBPLATFORM.h | 3 + src/southbridge/amd/cimx/sb800/cfg.c | 61 +++++++++++++++++++++++---- src/southbridge/amd/cimx/sb800/early.c | 8 ++++ src/southbridge/amd/cimx/sb800/late.c | 19 ++++++++ src/southbridge/amd/cimx/sb800/lpc.c | 4 +- src/southbridge/amd/cimx/sb800/lpc.h | 1 - src/southbridge/amd/cimx/sb800/sb_cimx.h | 4 ++ 8 files changed, 100 insertions(+), 11 deletions(-)
diff --git a/src/southbridge/amd/Makefile.inc b/src/southbridge/amd/Makefile.inc index 65e4729..2cdca29 100644 --- a/src/southbridge/amd/Makefile.inc +++ b/src/southbridge/amd/Makefile.inc @@ -15,3 +15,14 @@ subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB700) += cimx subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB800) += cimx subdirs-$(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB900) += cimx
+$(obj)/s3.rom: + echo " S3 NVRAM 0xffff0000 (S3 storage area)" + echo -ne '\xFF' > $@ + for ((i=0;i<20479;i++)) do echo -ne '\xFF' >> $@ ; done + +ifeq ($(CONFIG_HAVE_ACPI_RESUME), y) +cbfs-files-y += s3nv +s3nv-file := $(obj)/s3.rom +s3nv-position := 0xffff0000 +s3nv-type := raw +endif diff --git a/src/southbridge/amd/cimx/sb800/SBPLATFORM.h b/src/southbridge/amd/cimx/sb800/SBPLATFORM.h index 25aba95..7dc752a 100644 --- a/src/southbridge/amd/cimx/sb800/SBPLATFORM.h +++ b/src/southbridge/amd/cimx/sb800/SBPLATFORM.h @@ -162,4 +162,7 @@ typedef union _PCI_ADDR { #include "spi.h" #endif
+#define BIOSRAM_INDEX 0xcd4 +#define BIOSRAM_DATA 0xcd5 + #endif // _AMD_SBPLATFORM_H_ diff --git a/src/southbridge/amd/cimx/sb800/cfg.c b/src/southbridge/amd/cimx/sb800/cfg.c index a9e35bc..2b73155 100644 --- a/src/southbridge/amd/cimx/sb800/cfg.c +++ b/src/southbridge/amd/cimx/sb800/cfg.c @@ -17,10 +17,52 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
- +#include <console/console.h> #include "SBPLATFORM.h" #include "cfg.h" +#include "OEM.h" +#include <cbmem.h> + +#include <arch/io.h> +#include <arch/acpi.h> + +#if CONFIG_HAVE_ACPI_RESUME == 1 +int acpi_get_sleep_type(void) +{ + u16 tmp = inw(PM1_CNT_BLK_ADDRESS); + tmp = ((tmp & (7 << 10)) >> 10); + printk(BIOS_DEBUG, "SLP_TYP type was %x\n", tmp); + return (int)tmp; +} +#endif + +#ifndef __PRE_RAM__ +void set_cbmem_toc(struct cbmem_entry *toc) +{ + u32 dword = (u32) toc; + int nvram_pos = 0xf8, i; /* temp */ + printk(BIOS_DEBUG, "dword=%x\n", dword); + for (i = 0; i<4; i++) { + printk(BIOS_DEBUG, "nvram_pos=%x, dword>>(8*i)=%x\n", nvram_pos, (dword >>(8 * i)) & 0xff); + outb(nvram_pos, BIOSRAM_INDEX); + outb((dword >>(8 * i)) & 0xff , BIOSRAM_DATA); + nvram_pos++; + } +} +#endif
+struct cbmem_entry *get_cbmem_toc(void) +{ + u32 xdata = 0; + int xnvram_pos = 0xf8, xi; + for (xi = 0; xi<4; xi++) { + outb(xnvram_pos, BIOSRAM_INDEX); + xdata &= ~(0xff << (xi * 8)); + xdata |= inb(BIOSRAM_DATA) << (xi *8); + xnvram_pos++; + } + return (struct cbmem_entry *) xdata; +}
/** * @brief South Bridge CIMx configuration @@ -30,10 +72,13 @@ */ void sb800_cimx_config(AMDSBCFG *sb_config) { - if (!sb_config) { + if (!sb_config) return; - } - //memset(sb_config, 0, sizeof(AMDSBCFG)); + +#if CONFIG_HAVE_ACPI_RESUME == 1 + if (acpi_get_sleep_type() == 3) + sb_config->S3Resume = 1; +#endif
/* header */ sb_config->StdHeader.PcieBasePtr = PCIEX_BASE_ADDRESS; @@ -75,19 +120,19 @@ void sb800_cimx_config(AMDSBCFG *sb_config)
/* USB */ sb_config->USBMODE.UsbModeReg = USB_CONFIG; - sb_config->SbUsbPll = 0; + sb_config->SbUsbPll = 0;
/* SATA */ sb_config->SataClass = SATA_MODE; sb_config->SataIdeMode = SATA_IDE_MODE; sb_config->SataPortMultCap = SATA_PORT_MULT_CAP_RESERVED; - sb_config->SATAMODE.SataMode.SataController = SATA_CONTROLLER; + sb_config->SATAMODE.SataMode.SataController = SATA_CONTROLLER; sb_config->SATAMODE.SataMode.SataIdeCombMdPriSecOpt = 0; //0 -IDE as primary, 1 -IDE as secondary. //TODO: set to secondary not take effect. sb_config->SATAMODE.SataMode.SataIdeCombinedMode = CONFIG_IDE_COMBINED_MODE; sb_config->SATAMODE.SataMode.SATARefClkSel = SATA_CLOCK_SOURCE;
- /* Azalia HDA */ + /* Azalia HDA */ sb_config->AzaliaController = AZALIA_CONTROLLER; sb_config->AzaliaPinCfg = AZALIA_PIN_CONFIG; sb_config->AZALIACONFIG.AzaliaSdinPin = AZALIA_SDIN_PIN; @@ -97,7 +142,6 @@ void sb800_cimx_config(AMDSBCFG *sb_config) #else sb_config->AZOEMTBL.pAzaliaOemCodecTablePtr = NULL; #endif - /* LPC */ /* SuperIO hardware monitor register access */ sb_config->SioHwmPortEnable = CONFIG_SB_SUPERIO_HWM; @@ -132,4 +176,3 @@ void sb800_cimx_config(AMDSBCFG *sb_config) } #endif //!__PRE_RAM__ } - diff --git a/src/southbridge/amd/cimx/sb800/early.c b/src/southbridge/amd/cimx/sb800/early.c index 9d49a52..f692897 100644 --- a/src/southbridge/amd/cimx/sb800/early.c +++ b/src/southbridge/amd/cimx/sb800/early.c @@ -23,9 +23,11 @@ #include <device/pci_ids.h> #include <arch/io.h> /* inl, outl */ #include <arch/romcc_io.h> /* device_t */ +#include <arch/acpi.h> #include "SBPLATFORM.h" #include "sb_cimx.h" #include "cfg.h" /*sb800_cimx_config*/ +#include "cbmem.h"
#if CONFIG_RAMINIT_SYSINFO == 1 @@ -80,3 +82,9 @@ void sb800_clk_output_48Mhz(void) *(volatile u32 *)(ACPI_MMIO_BASE + MISC_BASE + 0x40) |= 1 << 1; /* 48Mhz */ }
+#if CONFIG_HAVE_ACPI_RESUME == 1 +int acpi_is_wakeup_early(void) +{ + return (acpi_get_sleep_type() == 3); +} +#endif diff --git a/src/southbridge/amd/cimx/sb800/late.c b/src/southbridge/amd/cimx/sb800/late.c index 8c7abdb..c69782b 100644 --- a/src/southbridge/amd/cimx/sb800/late.c +++ b/src/southbridge/amd/cimx/sb800/late.c @@ -24,6 +24,7 @@ #include <arch/ioapic.h> #include <device/smbus.h> /* smbus_bus_operations */ #include <console/console.h> /* printk */ +#include <arch/acpi.h> #include "lpc.h" /* lpc_read_resources */ #include "SBPLATFORM.h" /* Platfrom Specific Definitions */ #include "cfg.h" /* sb800 Cimx configuration */ @@ -351,6 +352,17 @@ void sb_Late_Post(void) AmdSbDispatcher(sb_config); }
+void sb_Before_Pci_Restore_Init(void) +{ + sb_config->StdHeader.Func = SB_BEFORE_PCI_RESTORE_INIT; + AmdSbDispatcher(sb_config); +} + +void sb_After_Pci_Restore_Init(void) +{ + sb_config->StdHeader.Func = SB_AFTER_PCI_RESTORE_INIT; + AmdSbDispatcher(sb_config); +}
/** * @brief SB Cimx entry point sbBeforePciInit wrapper @@ -468,7 +480,14 @@ static void sb800_enable(device_t dev) /* call the CIMX entry at the last sb800 device, * so make sure the mainboard devicetree is complete */ +#if CONFIG_HAVE_ACPI_RESUME == 1 + if (acpi_slp_type != 3) + sb_Before_Pci_Init(); + else + sb_Before_Pci_Restore_Init(); +#else sb_Before_Pci_Init(); +#endif break;
default: diff --git a/src/southbridge/amd/cimx/sb800/lpc.c b/src/southbridge/amd/cimx/sb800/lpc.c index bc643b5..472817d 100644 --- a/src/southbridge/amd/cimx/sb800/lpc.c +++ b/src/southbridge/amd/cimx/sb800/lpc.c @@ -20,7 +20,9 @@ #include <console/console.h> #include <device/pci.h> #include "lpc.h" - +#include <bitops.h> +#include <arch/io.h> +#include <cbmem.h>
void lpc_read_resources(device_t dev) { diff --git a/src/southbridge/amd/cimx/sb800/lpc.h b/src/southbridge/amd/cimx/sb800/lpc.h index 7b165f8..3d6a17a 100644 --- a/src/southbridge/amd/cimx/sb800/lpc.h +++ b/src/southbridge/amd/cimx/sb800/lpc.h @@ -20,7 +20,6 @@ #ifndef _SB800_LPC_H_ #define _SB800_LPC_H_
- #define SPIROM_BASE_ADDRESS 0xA0 /* SPI ROM base address */
void lpc_read_resources(device_t dev); diff --git a/src/southbridge/amd/cimx/sb800/sb_cimx.h b/src/southbridge/amd/cimx/sb800/sb_cimx.h index 42a7ba9..5e510de 100644 --- a/src/southbridge/amd/cimx/sb800/sb_cimx.h +++ b/src/southbridge/amd/cimx/sb800/sb_cimx.h @@ -29,6 +29,10 @@ void sb_Before_Pci_Init(void); void sb_After_Pci_Init(void); void sb_Mid_Post_Init(void); void sb_Late_Post(void); +void sb_Before_Pci_Restore_Init(void); +void sb_After_Pci_Restore_Init(void); + +int acpi_is_wakeup_early(void);
/** * CIMX not set the clock to 48Mhz until sbBeforePciInit,