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-rw-r--r--src/include/device/pci_ids.h3
-rw-r--r--src/southbridge/amd/cs5536/Config.lb22
-rw-r--r--src/southbridge/amd/cs5536/chip.h40
-rw-r--r--src/southbridge/amd/cs5536/cs5536.c689
-rw-r--r--src/southbridge/amd/cs5536/cs5536.h469
-rw-r--r--src/southbridge/amd/cs5536/cs5536_early_setup.c257
-rw-r--r--src/southbridge/amd/cs5536/cs5536_early_smbus.c216
-rw-r--r--src/southbridge/amd/cs5536/cs5536_ide.c48
-rw-r--r--src/southbridge/amd/cs5536/cs5536_smbus.h180
-rw-r--r--src/southbridge/amd/cs5536/cs5536_smbus2.h3
10 files changed, 1411 insertions, 516 deletions
diff --git a/src/include/device/pci_ids.h b/src/include/device/pci_ids.h
index 74a60b229c..85fa3363c5 100644
--- a/src/include/device/pci_ids.h
+++ b/src/include/device/pci_ids.h
@@ -452,12 +452,13 @@
#define PCI_DEVICE_ID_AMD_AES 0x2082
#define PCI_DEVICE_ID_AMD_CS5536_ISA 0x2090
#define PCI_DEVICE_ID_AMD_CS5536_FLASH 0x2091
-#define PCI_DEVICE_ID_AMD_CS5536_IDE 0x2092
+#define PCI_DEVICE_ID_AMD_CS5536_IDE_A0 0x2092
#define PCI_DEVICE_ID_AMD_CS5536_AUDIO 0x2093
#define PCI_DEVICE_ID_AMD_CS5536_OHCI 0x2094
#define PCI_DEVICE_ID_AMD_CS5536_EHCI 0x2095
#define PCI_DEVICE_ID_AMD_CS5536_UDC 0x2096
#define PCI_DEVICE_ID_AMD_CS5536_OTG 0x2097
+#define PCI_DEVICE_ID_AMD_CS5536_IDE 0x209A
#define PCI_VENDOR_ID_TRIDENT 0x1023
#define PCI_DEVICE_ID_TRIDENT_4DWAVE_DX 0x2000
diff --git a/src/southbridge/amd/cs5536/Config.lb b/src/southbridge/amd/cs5536/Config.lb
index 618db33f4f..bf1763b42e 100644
--- a/src/southbridge/amd/cs5536/Config.lb
+++ b/src/southbridge/amd/cs5536/Config.lb
@@ -1,4 +1,22 @@
+#/*
+#* This file is part of the LinuxBIOS project.
+#*
+#*
+#* This program is free software; you can redistribute it and/or modify
+#* it under the terms of the GNU General Public License version 2 as
+#* published by the Free Software Foundation.
+#*
+#* This program is distributed in the hope that it will be useful,
+#* but WITHOUT ANY WARRANTY; without even the implied warranty of
+#* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+#* GNU General Public License for more details.
+#*
+#* You should have received a copy of the GNU General Public License
+#* along with this program; if not, write to the Free Software
+#* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#*/
+
+
config chip.h
driver cs5536.o
-#driver cs5536_pci.o
-#driver cs5536_ide.o
+driver cs5536_ide.o
diff --git a/src/southbridge/amd/cs5536/chip.h b/src/southbridge/amd/cs5536/chip.h
index 6bd87430fd..7c8a249872 100644
--- a/src/southbridge/amd/cs5536/chip.h
+++ b/src/southbridge/amd/cs5536/chip.h
@@ -1,28 +1,32 @@
+/*
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+*/
+
#ifndef _SOUTHBRIDGE_AMD_CS5536
#define _SOUTHBRIDGE_AMD_CS5536
-#define MAX_UNWANTED_VPCI 10 /* increase if needed */
+#define MAX_UNWANTED_VPCI 8 /* increase if needed */
extern struct chip_operations southbridge_amd_cs5536_ops;
struct southbridge_amd_cs5536_config {
- /* interrupt enable for LPC bus */
- int lpc_serirq_enable; /* how to enable, e.g. 0x80 */
- int lpc_irq; /* what to enable, e.g. 0x18 */
- int enable_gpio0_inta; /* almost always will be true */
- int enable_ide_nand_flash; /* if you are using nand flash instead of IDE drive */
- int enable_uarta; /* internal uarta interrupt enable */
- int enable_USBP4_host; /* Enable USB Port 4 as a host */
- /* following are IRQ numbers for various southbridge resources. */
- /* I have guessed at some things, as I still don't have an lspci from anyone */
- int ide_irq; /* f.2 */
- int audio_irq; /* f.3 */
- int usbf4_irq; /* f.4 */
- int usbf5_irq; /* f.5 */
- int usbf6_irq; /* f.6 */
- int usbf7_irq; /* f.7 */
- /* the following allow you to disable unwanted virtualized PCI devices */
- unsigned long unwanted_vpci[MAX_UNWANTED_VPCI];
+ unsigned int lpc_serirq_enable; /* interrupt enables for LPC bus; each bit is an irq 0-15 */
+ unsigned int lpc_serirq_polarity; /* LPC IRQ polarity; each bit is an irq 0-15 */
+ unsigned char lpc_serirq_mode; /* 0:Continuous 1:Quiet */
+ unsigned int enable_gpio_int_route; /* GPIO(0-0x20) for INT D:C:B:A, 0xFF=none. See virtual pci spec... */
+ unsigned char enable_ide_nand_flash; /* 0:IDE 1:FLASH, if you are using nand flash instead of IDE drive */
+ unsigned char enable_USBP4_device; /* Enable USB Port 4 0:host 1:device */
+ unsigned int enable_USBP4_overcurrent; /* 0:off, xxxx:overcurrent setting, e.g. 0x3FEA CS5536 - Data Book (pages 380-381) */
+ unsigned char com1_enable; /* enable COM1 */
+ unsigned int com1_address; /* e.g. 0x3F8 */
+ unsigned int com1_irq; /* e.g. 4 */
+ unsigned char com2_enable; /* enable COM2 */
+ unsigned int com2_address; /* e.g. 0x2F8 */
+ unsigned int com2_irq; /* e.g. 3 */
+ unsigned int unwanted_vpci[MAX_UNWANTED_VPCI]; /* the following allow you to disable unwanted virtualized PCI devices */
+
};
#endif /* _SOUTHBRIDGE_AMD_CS5536 */
diff --git a/src/southbridge/amd/cs5536/cs5536.c b/src/southbridge/amd/cs5536/cs5536.c
index 47958dba6a..e5f9878ab7 100644
--- a/src/southbridge/amd/cs5536/cs5536.c
+++ b/src/southbridge/amd/cs5536/cs5536.c
@@ -1,3 +1,21 @@
+/*
+* This file is part of the LinuxBIOS project.
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
#include <arch/io.h>
#include <device/device.h>
@@ -5,167 +23,575 @@
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include <console/console.h>
-#include <cpu/amd/gx2def.h>
+#include <stdint.h>
+#include <pc80/isa-dma.h>
+#include <pc80/mc146818rtc.h>
#include <cpu/x86/msr.h>
+#include <cpu/amd/vr.h>
+#include <cpu/amd/geode_post_code.h>
#include "chip.h"
+#include "cs5536.h"
+extern void setup_i8259(void);
-#define PIN_OPT_IDE (1ULL<<0) /* 0 for flash, 1 for IDE */
+struct msrinit {
+ uint32_t msrnum;
+ msr_t msr;
+};
-/* Intended value for LBAR_FLSH0: 4KiB, enabled, MMIO, NAND, @0x20000000 */
-/* NOTE: no longer used, prune at some point */
-/* OOPS: steve's changes don't work, so we have to keep this */
-msr_t flsh0 = { .hi=0xFFFFF007, .lo=0x20000000};
+/* Master Configuration Register for Bus Masters.*/
+struct msrinit SB_MASTER_CONF_TABLE[] = {
+ {USB2_SB_GLD_MSR_CONF, {.hi=0,.lo=0x00008f000}},
+ {ATA_SB_GLD_MSR_CONF, {.hi=0,.lo=0x00048f000}},
+ {AC97_SB_GLD_MSR_CONF, {.hi=0,.lo=0x00008f000}},
+ {MDD_SB_GLD_MSR_CONF, {.hi=0,.lo=0x00000f000}},
+ {0,{0,0}}
+};
-static void
-enable_ide_nand_flash(){
- msr_t msr;
- printk_err("cs5536: %s\n", __FUNCTION__);
-#if 1
- printk_err("WARNING: using deprecated flash enable mechanism\n");
- /* steve took this one out ... not sure if needed or not */
- msr = rdmsr(MDD_LBAR_FLSH0);
-
- if ( ((msr.hi) & 7) != 7) {
- printk_err("MDD_LBAR_FLSH0 was 0x%08x%08x\n", msr.hi,msr.lo);
- wrmsr(MDD_LBAR_FLSH0, flsh0);
- }
- msr = rdmsr(MDD_LBAR_FLSH0);
- printk_err("MDD_LBAR_FLSH0 is 0x%08x%08x\n", msr.hi,msr.lo);
-#endif
- msr = rdmsr(MDD_PIN_OPT);
- if (msr.lo & PIN_OPT_IDE) {
- printk_err("MDD_PIN_OPT was 0x%08x%08x\n", msr.hi,msr.lo);
- msr.lo &= ~PIN_OPT_IDE;
- wrmsr(MDD_PIN_OPT, msr);
- }
- msr = rdmsr(MDD_PIN_OPT);
- printk_err("MDD_PIN_OPT is 0x%08x%08x\n", msr.hi,msr.lo);
-
- msr = rdmsr(MDD_NANDF_DATA);
- if (msr.lo != 0x00100010) {
- printk_err("MDD_NANDF_DATA was 0x%08x%08x\n", msr.hi,msr.lo);
- msr.lo = 0x00100010;
- wrmsr(MDD_NANDF_DATA, msr);
- }
- msr = rdmsr(MDD_NANDF_DATA);
- printk_err("MDD_NANDF_DATA is 0x%08x%08x\n", msr.hi,msr.lo);
-
- msr = rdmsr(MDD_NADF_CNTL);
- if (msr.lo != 0x0010) {
- printk_err("MDD_NADF_CNTL was 0x%08x%08x\n", msr.hi,msr.lo);
- msr.lo = 0x0010;
- wrmsr(MDD_NADF_CNTL, msr);
- }
- msr = rdmsr(MDD_NADF_CNTL);
- printk_err("MDD_NADF_CNTL is 0x%08x%08x\n", msr.hi,msr.lo);
- printk_err("cs5536: EXIT %s\n", __FUNCTION__);
+/* 5536 Clock Gating*/
+struct msrinit CS5536_CLOCK_GATING_TABLE[] = {
+/* MSR Setting*/
+ {GLIU_SB_GLD_MSR_PM, {.hi=0,.lo=0x000000004}},
+ {GLPCI_SB_GLD_MSR_PM, {.hi=0,.lo=0x000000005}},
+ {GLCP_SB_GLD_MSR_PM, {.hi=0,.lo=0x000000004}},
+ {MDD_SB_GLD_MSR_PM, {.hi=0,.lo=0x050554111}}, /* SMBus clock gating errata (PBZ 2226 & SiBZ 3977)*/
+ {ATA_SB_GLD_MSR_PM, {.hi=0,.lo=0x000000005}},
+ {AC97_SB_GLD_MSR_PM, {.hi=0,.lo=0x000000005}},
+ {0,{0,0}}
+};
+
+struct acpiinit {
+ uint16_t ioreg;
+ uint32_t regdata;
+};
+
+struct acpiinit acpi_init_table[] = {
+ {ACPI_IO_BASE + 0x00, 0x01000000},
+ {ACPI_IO_BASE + 0x08, 0},
+ {ACPI_IO_BASE + 0x0C, 0},
+ {ACPI_IO_BASE + 0x1C, 0},
+ {ACPI_IO_BASE + 0x18, 0x0FFFFFFFF},
+ {ACPI_IO_BASE + 0x00, 0x0000FFFF},
+ {PMS_IO_BASE + PM_SCLK, 0x000000E00},
+ {PMS_IO_BASE + PM_SED, 0x000004601},
+ {PMS_IO_BASE + PM_SIDD, 0x000008C02},
+ {PMS_IO_BASE + PM_WKD, 0x0000000A0},
+ {PMS_IO_BASE + PM_WKXD, 0x0000000A0},
+ {0,0,0}
+};
+
+struct FLASH_DEVICE {
+ unsigned char fType; /* Flash type: NOR or NAND */
+ unsigned char fInterface; /* Flash interface: I/O or Memory */
+ unsigned long fMask; /* Flash size/mask */
+};
+
+struct FLASH_DEVICE FlashInitTable[] = {
+ { FLASH_TYPE_NAND, FLASH_IF_MEM, FLASH_MEM_4K }, /* CS0, or Flash Device 0 */
+ { FLASH_TYPE_NONE, 0, 0 }, /* CS1, or Flash Device 1 */
+ { FLASH_TYPE_NONE, 0, 0 }, /* CS2, or Flash Device 2 */
+ { FLASH_TYPE_NONE, 0, 0 }, /* CS3, or Flash Device 3 */
+};
+
+#define FlashInitTableLen (sizeof(FlashInitTable)/sizeof(FlashInitTable[0]))
+
+uint32_t FlashPort[] = {
+ MDD_LBAR_FLSH0,
+ MDD_LBAR_FLSH1,
+ MDD_LBAR_FLSH2,
+ MDD_LBAR_FLSH3
+ };
+
+
+/* ***************************************************************************/
+/* **/
+/* * pmChipsetInit*/
+/* **/
+/* * Program ACPI LBAR and initialize ACPI registers.*/
+/* **/
+/* ***************************************************************************/
+static void pmChipsetInit(void) {
+ uint32_t val = 0;
+ uint16_t port;
+
+ port = (PMS_IO_BASE + 0x010);
+ val = 0x0E00 ; /* 1ms*/
+ outl(val, port);
+
+ /* 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);
+
+ /* PM_WKD*/
+ port = (PMS_IO_BASE + 0x030);
+ outl(val, port);
+
+ /* PM_SED*/
+ port = (PMS_IO_BASE + 0x014);
+/* mov eax, 0x057642 ; 100ms, works*/
+ val = 0x04601 ; /* 5ms*/
+ outl(val, port);
+
+ /* PM_SIDD*/
+ port = (PMS_IO_BASE + 0x020);
+/* mov eax, 0x0AEC84 ; 200ms, works*/
+ val = 0x08C02 ; /* 10ms*/
+ outl(val, port);
}
-#if 0
-/* note: this is a candidate for inclusion in src/devices/pci_device.c */
-void
-setup_irq(unsigned irq, char *name, unsigned level, unsigned bus, unsigned device, unsigned fn){
- if (irq) {
- unsigned devfn = PCI_DEVFN(device,fn);
- device_t dev = dev_find_slot(bus, devfn);
- if (dev) {
- pci_write_config8(dev, PCI_INTERRUPT_LINE, irq);
- if (level)
- pci_level_irq(irq);
+
+/***************************************************************************
+ *
+ * ChipsetFlashSetup
+ *
+ * Flash LBARs need to be setup before VSA init so the PCI BARs have
+ * correct size info. Call this routine only if flash needs to be
+ * configured (don't call it if you want IDE).
+ *
+ **************************************************************************/
+static void ChipsetFlashSetup(void){
+ msr_t msr;
+ int i;
+ int numEnabled = 0;
+
+ printk_debug("ChipsetFlashSetup: Start\n");
+ for (i = 0; i < FlashInitTableLen; i++) {
+ if (FlashInitTable[i].fType != FLASH_TYPE_NONE) {
+ printk_debug("Enable CS%d\n", i);
+ /* we need to configure the memory/IO mask */
+ msr = rdmsr(FlashPort[i]);
+ msr.hi = 0; /* start with the "enabled" bit clear */
+ if (FlashInitTable[i].fType == FLASH_TYPE_NAND)
+ msr.hi |= 0x00000002;
+ else
+ msr.hi &= ~0x00000002;
+ if (FlashInitTable[i].fInterface == FLASH_IF_MEM)
+ msr.hi |= 0x00000004;
+ else
+ msr.hi &= ~0x00000004;
+ msr.hi |= FlashInitTable[i].fMask;
+ printk_debug("MSR(0x%08X, %08X_%08X)\n", FlashPort[i], msr.hi, msr.lo);
+ wrmsr(FlashPort[i], msr);
+
+ /* now write-enable the device */
+ msr = rdmsr(MDD_NORF_CNTRL);
+ msr.lo |= (1 << i);
+ printk_debug("MSR(0x%08X, %08X_%08X)\n", MDD_NORF_CNTRL, msr.hi, msr.lo);
+ wrmsr(MDD_NORF_CNTRL, msr);
+
+ /* update the number enabled */
+ numEnabled++;
}
- else
- printk_err("%s: Can't find %s at 0x%x\n", __FUNCTION__, name, devfn);
}
+
+ printk_debug("ChipsetFlashSetup: Finish\n");
+
+}
+/* ***************************************************************************/
+/* **/
+/* * enable_ide_nand_flash_header */
+/* Run after VSA init to enable the flash PCI device header */
+/* **/
+/* ***************************************************************************/
+static void enable_ide_nand_flash_header(){
+ /* Tell VSA to use FLASH PCI header. Not IDE header.*/
+ outl(0x80007A40, 0xCF8);
+ outl(0xDEADBEEF, 0xCFC);
}
-#endif
-static void southbridge_init(struct device *dev)
-{
- struct southbridge_amd_cs5536_config *sb = (struct southbridge_amd_cs5536_config *)dev->chip_info;
- const unsigned char slots_cpu[4] = {11, 0, 0, 0};
- const unsigned char slots_sb[4] = {11, 5, 10, 10};
- msr_t msr;
- int i;
- /*
- * struct device *gpiodev;
- * unsigned short gpiobase = MDD_GPIO;
- */
- printk_err("cs5536: %s\n", __FUNCTION__);
- setup_i8259();
+#define RTC_CENTURY 0x32
+#define RTC_DOMA 0x3D
+#define RTC_MONA 0x3E
+
+static void lpc_init(struct southbridge_amd_cs5536_config *sb){
+ msr_t msr;
if (sb->lpc_serirq_enable) {
msr.lo = sb->lpc_serirq_enable;
- msr.hi = 0;
- wrmsr(MDD_LPC_SIRQ, msr);
- }
- if (sb->lpc_irq) {
- msr.lo = sb->lpc_irq;
msr.hi = 0;
wrmsr(MDD_IRQM_LPC, msr);
+ if (sb->lpc_serirq_polarity) {
+ msr.lo = sb->lpc_serirq_polarity << 16;
+ msr.lo |= (sb->lpc_serirq_mode << 6) | (1 << 7); /* enable */
+ msr.hi = 0;
+ wrmsr(MDD_LPC_SIRQ, msr);
+ }
+ }
+
+ /* Allow DMA from LPC */
+ msr = rdmsr(MDD_DMA_MAP);
+ msr.lo = 0x7777;
+ wrmsr(MDD_DMA_MAP, msr);
+
+ /* enable the RTC/CMOS century byte at address 32h */
+ msr = rdmsr(MDD_RTC_CENTURY_OFFSET);
+ msr.lo = RTC_CENTURY;
+ wrmsr(MDD_RTC_CENTURY_OFFSET, msr);
+
+ /* enable the RTC/CMOS day of month and month alarms */
+ msr = rdmsr(MDD_RTC_DOMA_IND);
+ msr.lo = RTC_DOMA;
+ wrmsr(MDD_RTC_DOMA_IND, msr);
+
+ msr = rdmsr(MDD_RTC_MONA_IND);
+ msr.lo = RTC_MONA;
+ wrmsr(MDD_RTC_MONA_IND, msr);
+
+ rtc_init(0);
+
+ isa_dma_init();
+}
+
+
+static void uarts_init(struct southbridge_amd_cs5536_config *sb){
+ msr_t msr;
+ uint16_t addr;
+ uint32_t gpio_addr;
+ device_t dev;
+
+ dev = dev_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, 0);
+ gpio_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_1);
+ gpio_addr &= ~1; /* clear IO bit */
+ printk_debug("GPIO_ADDR: %08X\n", gpio_addr);
+
+ /* This could be extended to support IR modes */
+
+ /* COM1 */
+ if (sb->com1_enable){
+ /* Set the address */
+ switch (sb->com1_address){
+ case 0x3F8:
+ addr = 7;
+ break;
+
+ case 0x3E8:
+ addr = 6;
+ break;
+
+ case 0x2F8:
+ addr = 5;
+ break;
+
+ case 0x2E8:
+ addr = 4;
+ break;
+ }
+ msr = rdmsr(MDD_LEG_IO);
+ msr.lo |= addr << 16;
+ wrmsr(MDD_LEG_IO,msr);
+
+ /* Set the IRQ */
+ msr = rdmsr(MDD_IRQM_YHIGH);
+ msr.lo |= sb->com1_irq << 24;
+ wrmsr(MDD_IRQM_YHIGH, msr);
+
+ /* GPIO8 - UART1_TX */
+ /* Set: Output Enable (0x4) */
+ outl(GPIOL_8_SET, gpio_addr + GPIOL_OUTPUT_ENABLE);
+ /* Set: OUTAUX1 Select (0x10) */
+ outl(GPIOL_8_SET, gpio_addr + GPIOL_OUT_AUX1_SELECT);
+
+ /* GPIO8 - UART1_RX */
+ /* Set: Input Enable (0x20) */
+ outl(GPIOL_9_SET, gpio_addr + GPIOL_INPUT_ENABLE);
+ /* Set: INAUX1 Select (0x34) */
+ outl(GPIOL_9_SET, gpio_addr + GPIOL_IN_AUX1_SELECT);
+
+ /* Set: GPIO 8 + 9 Pull Up (0x18) */
+ outl(GPIOL_8_SET | GPIOL_9_SET, gpio_addr + GPIOL_PULLUP_ENABLE);
+
+ /* enable COM1 */
+ /* Bit 1 = device enable Bit 4 = allow access to the upper banks */
+ msr.lo = (1 << 4) | (1 << 1);
+ msr.hi = 0;
+ wrmsr(MDD_UART1_CONF, msr);
+
}
+ else{
+ /* Reset and disable COM1 */
+ msr = rdmsr(MDD_UART1_CONF);
+ msr.lo = 1; // reset
+ wrmsr(MDD_UART1_CONF, msr);
+ msr.lo = 0; // disabled
+ wrmsr(MDD_UART1_CONF, msr);
- if (sb->enable_gpio0_inta){
- msr = rdmsr(MDD_IRQM_ZHIGH);
- msr.lo |= 0x10;
- wrmsr(MDD_IRQM_ZHIGH, msr);
- /* todo: look the device up. But we know that gpiobase is 0x6100 */
- /* oh gosh, all the defines from AMD assume 6100. Don't bother looking up! */
- outl(GPIOL_0_SET|GPIOL_1_SET|GPIOL_3_SET, GPIOL_INPUT_ENABLE);
- outl(GPIOL_0_SET,GPIOL_EVENTS_ENABLE);
- /* magic stuff */
- outl(0x3081, GPIOL_INPUT_INVERT_ENABLE);
- outl(GPIOL_0_SET, GPIO_MAPPER_X);
+ /* Disable the IRQ */
+ msr = rdmsr(MDD_LEG_IO);
+ msr.lo |= ~(0xF << 16);
+ wrmsr(MDD_LEG_IO,msr);
}
- if (sb->enable_uarta){
- printk_err("cs5536: %s: enable uarta, msr MDD_IRQM_YHIGH(%x) \n",
- __FUNCTION__, MDD_IRQM_YHIGH);
+ /* COM2 */
+ if (sb->com2_enable){
+ switch (sb->com2_address){
+ case 0x3F8:
+ addr = 7;
+ break;
+
+ case 0x3E8:
+ addr = 6;
+ break;
+
+ case 0x2F8:
+ addr = 5;
+ break;
+
+ case 0x2E8:
+ addr = 4;
+ break;
+ }
+ msr = rdmsr(MDD_LEG_IO);
+ msr.lo |= addr << 20;
+ wrmsr(MDD_LEG_IO,msr);
+
+
+ /* Set the IRQ */
msr = rdmsr(MDD_IRQM_YHIGH);
- msr.lo |= 0x04000000;
+ msr.lo |= sb->com2_irq << 28;
wrmsr(MDD_IRQM_YHIGH, msr);
+
+ /* GPIO3 - UART2_RX */
+ /* Set: Output Enable (0x4) */
+ outl(GPIOL_3_SET, gpio_addr + GPIOL_OUTPUT_ENABLE);
+ /* Set: OUTAUX1 Select (0x10) */
+ outl(GPIOL_3_SET,gpio_addr + GPIOL_OUT_AUX1_SELECT);
+
+ /* GPIO4 - UART2_TX */
+ /* Set: Input Enable (0x20) */
+ outl(GPIOL_4_SET, gpio_addr + GPIOL_INPUT_ENABLE);
+ /* Set: INAUX1 Select (0x34) */
+ outl(GPIOL_4_SET, gpio_addr + GPIOL_IN_AUX1_SELECT);
+
+ /* Set: GPIO 3 + 3 Pull Up (0x18) */
+ outl(GPIOL_3_SET | GPIOL_4_SET, gpio_addr + GPIOL_PULLUP_ENABLE);
+
+ /* enable COM2 */
+ /* Bit 1 = device enable Bit 4 = allow access to the upper banks */
+ msr.lo = (1 << 4) | (1 << 1);
+ msr.hi = 0;
+ wrmsr(MDD_UART2_CONF, msr);
+
}
+ else{
+ /* Reset and disable COM2 */
+ msr = rdmsr(MDD_UART2_CONF);
+ msr.lo = 1; // reset
+ wrmsr(MDD_UART2_CONF, msr);
+ msr.lo = 0; // disabled
+ wrmsr(MDD_UART2_CONF, msr);
- printk_err("cs5536: %s: enable_ide_nand_flash is %d\n", __FUNCTION__, sb->enable_ide_nand_flash);
- if (sb->enable_ide_nand_flash) {
- enable_ide_nand_flash();
+ /* Disable the IRQ */
+ msr = rdmsr(MDD_LEG_IO);
+ msr.lo |= ~(0xF << 20);
+ wrmsr(MDD_LEG_IO,msr);
}
+}
+
-#if 0
- /* irq handling */
- setup_irq(sb->audio_irq, "audio", 1, 0, 0xf, 2);
- setup_irq(sb->usbf4_irq, "usb f4", 1, 0, 0xf, 4);
- setup_irq(sb->usbf5_irq, "usb f5", 1, 0, 0xf, 5);
- setup_irq(sb->usbf6_irq, "usb f6", 1, 0, 0xf, 6);
- setup_irq(sb->usbf7_irq, "usb f7", 1, 0, 0xf, 7);
-#else
- /* CPU (80000800 = 00.01.00) */
- pci_assign_irqs(0, 0x01, slots_cpu); /* bus=0, device=0x01, slots={11,0,0,0} */
-
- /* Southbridge (80007800 = 00.0F.00) */
- pci_assign_irqs(0, 0x0F, slots_sb); /* bus=0, device=0x0F, slots={11,5,10,10} */
-#endif
- if (sb->enable_USBP4_host) {
- unsigned long val;
- unsigned long uocmux;
+#define HCCPARAMS 0x08
+#define IPREG04 0xA0
+ #define USB_HCCPW_SET (1 << 1)
+#define UOCCAP 0x00
+ #define APU_SET (1 << 15)
+#define UOCMUX 0x04
+ #define PMUX_HOST 0x02
+ #define PMUX_DEVICE 0x03
+ #define PUEN_SET (1 << 2)
+#define UDCDEVCTL 0x404
+ #define UDC_SD_SET (1 << 10)
+#define UOCCTL 0x0C
+ #define PADEN_SET (1 << 7)
- outl(0x80007F10, 0xCF8);
- outl(0x0EFC00000, 0xCFC);
- uocmux = *((unsigned long *) 0x0EFC00004);
- uocmux &= ~3;
- uocmux |= 2;
+static void enable_USB_port4(struct southbridge_amd_cs5536_config *sb)
+{
+ uint32_t * bar;
+ msr_t msr;
+ device_t dev;
+
+
+ dev = dev_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_EHCI, 0);
+ if(dev){
+
+ /* Serial Short Detect Enable */
+ msr = rdmsr(USB2_SB_GLD_MSR_CONF);
+ msr.hi |= USB2_UPPER_SSDEN_SET;
+ wrmsr(USB2_SB_GLD_MSR_CONF, msr);
- *((unsigned long *) 0x0EFC00004) = uocmux;
+ /* write to clear diag register */
+ wrmsr(USB2_SB_GLD_MSR_DIAG,rdmsr(USB2_SB_GLD_MSR_DIAG));
+
+ bar = (uint32_t *) pci_read_config32(dev, PCI_BASE_ADDRESS_0);
+
+ /* Make HCCPARAMS writeable */
+ *(bar + IPREG04) |= USB_HCCPW_SET;
+
+ /* ; EECP=50h, IST=01h, ASPC=1 */
+ *(bar + HCCPARAMS) = 0x00005012;
}
+
+ dev = dev_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_OTG, 0);
+ if(dev){
+ bar = (uint32_t *) pci_read_config32(dev, PCI_BASE_ADDRESS_0);
+
+ *(bar + UOCMUX) &= PUEN_SET;
+
+ /* Host or Device? */
+ if (sb->enable_USBP4_device) {
+ *(bar + UOCMUX) |= PMUX_DEVICE;
+ }
+ else{
+ *(bar + UOCMUX) |= PMUX_HOST;
+ }
+
+ /* Overcurrent configuration */
+ if (sb->enable_USBP4_overcurrent) {
+ *(bar + UOCCAP) |= sb->enable_USBP4_overcurrent;
+ }
+ }
+
+ /* PBz#6466: If the UOC(OTG) device, port 4, is configured as a device,
+ * then perform the following sequence:
+ *
+ * - set SD bit in DEVCTRL udc register
+ * - set PADEN (former OTGPADEN) bit in uoc register
+ * - set APU bit in uoc register */
+ if (sb->enable_USBP4_device) {
+ dev = dev_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_UDC, 0);
+ if(dev){
+ bar = (uint32_t *) pci_read_config32(dev, PCI_BASE_ADDRESS_0);
+ *(bar + UDCDEVCTL) |= UDC_SD_SET;
+
+ }
+
+ dev = dev_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_OTG, 0);
+ if(dev){
+ bar = (uint32_t *) pci_read_config32(dev, PCI_BASE_ADDRESS_0);
+ *(bar + UOCCTL) |= PADEN_SET;
+ *(bar + UOCCAP) |= APU_SET;
+ }
+ }
+
+ /* 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_config8(dev, 0x7C, 0xDEADBEEF);
+ }
+
+ dev = dev_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_OTG, 0);
+ if(dev){
+ pci_write_config8(dev, 0x7C, 0xDEADBEEF);
+ }
+}
+
+/* ***************************************************************************/
+/* **/
+/* * ChipsetInit */
+/* Called from northbridge init (Pre-VSA). */
+/* **/
+/* ***************************************************************************/
+void chipsetinit (void){
+ device_t dev;
+ msr_t msr;
+ uint32_t msrnum;
+ struct southbridge_amd_cs5536_config *sb = (struct southbridge_amd_cs5536_config *)dev->chip_info;
+ struct msrinit *csi;
+
+ outb( P80_CHIPSET_INIT, 0x80);
+
+ /* we hope NEVER to be in linuxbios when S3 resumes
+ if (! IsS3Resume()) */
+ {
+ struct acpiinit *aci = acpi_init_table;
+ for(; aci->ioreg; aci++) {
+ outl(aci->regdata, aci->ioreg);
+ inl(aci->ioreg);
+ }
+
+ pmChipsetInit();
+ }
+
+
+ /* set hd IRQ */
+ outl( GPIOL_2_SET, GPIO_IO_BASE + GPIOL_INPUT_ENABLE);
+ outl( GPIOL_2_SET, GPIO_IO_BASE + GPIOL_IN_AUX1_SELECT);
+
+ /* 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.*/
+ msrnum = ATA_SB_GLD_MSR_ERR;
+ msr = rdmsr(msrnum);
+ msr.lo &= ~0x100;
+ wrmsr(msrnum, msr);
+
+ /* Enable Post Primary IDE.*/
+ msrnum = GLPCI_SB_CTRL;
+ msr = rdmsr(msrnum);
+ msr.lo |= GLPCI_CRTL_PPIDE_SET;
+ wrmsr(msrnum, msr);
+
+
+ csi = SB_MASTER_CONF_TABLE;
+ for(; csi->msrnum; csi++){
+ msr.lo = csi->msr.lo;
+ msr.hi = csi->msr.hi;
+ wrmsr(csi->msrnum, msr); // MSR - see table above
+ }
+
+ /* Flash BAR size Setup*/
+ printk_err("%sDoing ChipsetFlashSetup()\n", sb->enable_ide_nand_flash == 1 ? "" : "Not ");
+ if (sb->enable_ide_nand_flash == 1)
+ ChipsetFlashSetup();
+
+ /* */
+ /* Set up Hardware Clock Gating*/
+ /* */
+ {
+ csi = CS5536_CLOCK_GATING_TABLE;
+ for(; csi->msrnum; csi++){
+ msr.lo = csi->msr.lo;
+ msr.hi = csi->msr.hi;
+ wrmsr(csi->msrnum, msr); // MSR - see table above
+ }
+ }
+}
+
+static void southbridge_init(struct device *dev)
+{
+ struct southbridge_amd_cs5536_config *sb = (struct southbridge_amd_cs5536_config *)dev->chip_info;
+ int i;
+ /*
+ * struct device *gpiodev;
+ * unsigned short gpiobase = MDD_GPIO;
+ */
+
+ printk_err("cs5536: %s\n", __FUNCTION__);
+ setup_i8259();
+ lpc_init(sb);
+ uarts_init(sb);
+
+ if (sb->enable_gpio_int_route){
+ vrWrite((VRC_MISCELLANEOUS << 8) + PCI_INT_AB, (sb->enable_gpio_int_route & 0xFFFF));
+ vrWrite((VRC_MISCELLANEOUS << 8) + PCI_INT_CD, (sb->enable_gpio_int_route >> 16));
+ }
+
+ printk_err("cs5536: %s: enable_ide_nand_flash is %d\n", __FUNCTION__, sb->enable_ide_nand_flash);
+ if (sb->enable_ide_nand_flash == 1) {
+ enable_ide_nand_flash_header();
+ }
+
+ enable_USB_port4(sb);
+
/* disable unwanted virtual PCI devices */
for (i = 0; (i < MAX_UNWANTED_VPCI) && (0 != sb->unwanted_vpci[i]); i++) {
printk_debug("Disabling VPCI device: 0x%08X\n", sb->unwanted_vpci[i]);
outl(sb->unwanted_vpci[i] + 0x7C, 0xCF8);
- outl(0xDEADBEEF, 0xCFC);
+ outl(0xDEADBEEF, 0xCFC);
}
}
@@ -173,7 +599,8 @@ static void southbridge_init(struct device *dev)
static void southbridge_enable(struct device *dev)
{
printk_err("cs5536: %s: dev is %p\n", __FUNCTION__, dev);
- }
+
+}
static void cs5536_pci_dev_enable_resources(device_t dev)
{
@@ -183,23 +610,23 @@ static void cs5536_pci_dev_enable_resources(device_t dev)
}
static struct device_operations southbridge_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
.enable_resources = cs5536_pci_dev_enable_resources,
- .init = southbridge_init,
-// .enable = southbridge_enable,
- .scan_bus = scan_static_bus,
+ .init = southbridge_init,
+// .enable = southbridge_enable,
+ .scan_bus = scan_static_bus,
};
static struct pci_driver cs5536_pci_driver __pci_driver = {
- .ops = &southbridge_ops,
+ .ops = &southbridge_ops,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_CS5536_ISA
};
struct chip_operations southbridge_amd_cs5536_ops = {
CHIP_NAME("AMD Geode CS5536 Southbridge")
- /* This only called when this device is listed in the
+ /* This is only called when this device is listed in the
* static device tree.
*/
.enable_dev = southbridge_enable,
diff --git a/src/southbridge/amd/cs5536/cs5536.h b/src/southbridge/amd/cs5536/cs5536.h
index 10259c6e6d..17d1922b7a 100644
--- a/src/southbridge/amd/cs5536/cs5536.h
+++ b/src/southbridge/amd/cs5536/cs5536.h
@@ -1,4 +1,471 @@
+/*
+* This file is part of the LinuxBIOS project.
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
#ifndef _CS5536_H
#define _CS5536_H
-#endif
+#define Cx5536_ID ( 0x208F1022)
+
+/* SouthBridge Equates */
+#define CS5536_GLINK_PORT_NUM 0x02 /* port of the SouthBridge */
+#define NB_PCI ((2 << 29) + (4 << 26)) /* NB GLPCI is in the same location on all Geodes. */
+#define MSR_SB ((CS5536_GLINK_PORT_NUM << 23) + NB_PCI) /* address to the SouthBridge */
+#define SB_SHIFT 20 /* 29 -> 26 -> 23 -> 20...... When making a SB address uses this shift. */
+
+#define CS5536_DEV_NUM 0x0F /* default PCI device number for CS5536 */
+#define SMBUS_IO_BASE 0x6000
+#define GPIO_IO_BASE 0x6100
+#define MFGPT_IO_BASE 0x6200
+#define ACPI_IO_BASE 0x9C00
+#define PMS_IO_BASE 0x9D00
+
+#define CS5535_IDSEL 0x02000000 // IDSEL = AD25, device #15
+#define CHIPSET_DEV_NUM 15
+#define IDSEL_BASE 11 // bit 11 = device 1
+
+/* Cs5536 as follows. */
+/* SB_GLIU */
+/* port0 - GLIU */
+/* port1 - GLPCI */
+/* port2 - USB Controller #2 */
+/* port3 - ATA-5 Controller */
+/* port4 - MDD */
+/* port5 - AC97 */
+/* port6 - USB Controller #1 */
+/* port7 - GLCP */
+
+#define MSR_SB_GLIU ((9 << 14) + MSR_SB) /* 51024xxx or 510*xxxx - fake out just like GL0 on CPU. */
+#define MSR_SB_GLPCI (MSR_SB) /* 5100xxxx - don't go to the GLIU */
+#define MSR_SB_USB2 ((2 << SB_SHIFT) + MSR_SB) /* 5120xxxx */
+#define MSR_SB_ATA ((3 << SB_SHIFT) + MSR_SB) /* 5130xxxx */
+#define MSR_SB_MDD ((4 << SB_SHIFT) + MSR_SB) /* 5140xxxx, a.k.a. DIVIL = Diverse Integrated Logic device */
+#define MSR_SB_AC97 ((5 << SB_SHIFT) + MSR_SB) /* 5150xxxx */
+#define MSR_SB_USB1 ((6 << SB_SHIFT) + MSR_SB) /* 5160xxxx */
+#define MSR_SB_GLCP ((7 << SB_SHIFT) + MSR_SB) /* 5170xxxx */
+
+/* */
+/* GLIU*/
+/* */
+#define GLIU_SB_GLD_MSR_CAP (MSR_SB_GLIU + 0x00)
+#define GLIU_SB_GLD_MSR_CONF (MSR_SB_GLIU + 0x01)
+#define GLIU_SB_GLD_MSR_PM (MSR_SB_GLIU + 0x04)
+
+/* */
+/* USB1*/
+/* */
+#define USB1_SB_GLD_MSR_CAP (MSR_SB_USB1 + 0x00)
+#define USB1_SB_GLD_MSR_CONF (MSR_SB_USB1 + 0x01)
+#define USB1_SB_GLD_MSR_PM (MSR_SB_USB1 + 0x04)
+
+/* */
+/* USB2*/
+/* */
+#define USB2_SB_GLD_MSR_CAP (MSR_SB_USB2 + 0x00)
+#define USB2_SB_GLD_MSR_CONF (MSR_SB_USB2 + 0x01)
+ #define USB2_UPPER_SSDEN_SET (1 << 3 ) /* Bit 35 */
+#define USB2_SB_GLD_MSR_PM (MSR_SB_USB2 + 0x04)
+#define USB2_SB_GLD_MSR_DIAG (MSR_SB_USB2 + 0x05)
+#define USB2_SB_GLD_MSR_OHCI_BASE (MSR_SB_USB2 + 0x08)
+#define USB2_SB_GLD_MSR_EHCI_BASE (MSR_SB_USB2 + 0x09)
+#define USB2_SB_GLD_MSR_DEVCTL_BASE (MSR_SB_USB2 + 0x0A)
+#define USB2_SB_GLD_MSR_UOC_BASE (MSR_SB_USB2 + 0x0B) /* Option controller base */
+
+/* */
+/* ATA*/
+/* */
+#define ATA_SB_GLD_MSR_CAP (MSR_SB_ATA + 0x00)
+#define ATA_SB_GLD_MSR_CONF (MSR_SB_ATA + 0x01)
+#define ATA_SB_GLD_MSR_ERR (MSR_SB_ATA + 0x03)
+#define ATA_SB_GLD_MSR_PM (MSR_SB_ATA + 0x04)
+
+/* */
+/* AC97*/
+/* */
+#define AC97_SB_GLD_MSR_CAP (MSR_SB_AC97 + 0x00)
+#define AC97_SB_GLD_MSR_CONF (MSR_SB_AC97 + 0x01)
+#define AC97_SB_GLD_MSR_PM (MSR_SB_AC97 + 0x04)
+
+/* */
+/* GLPCI*/
+/* */
+#define GLPCI_SB_GLD_MSR_CAP (MSR_SB_GLPCI + 0x00)
+#define GLPCI_SB_GLD_MSR_CONF (MSR_SB_GLPCI + 0x01)
+#define GLPCI_SB_GLD_MSR_PM (MSR_SB_GLPCI + 0x04)
+#define GLPCI_SB_CTRL (MSR_SB_GLPCI + 0x10)
+#define GLPCI_CRTL_PPIDE_SET (1 << 17)
+/* */
+/* GLCP*/
+/* */
+#define GLCP_SB_GLD_MSR_CAP (MSR_SB_GLCP + 0x00)
+#define GLCP_SB_GLD_MSR_CONF (MSR_SB_GLCP + 0x01)
+#define GLCP_SB_GLD_MSR_PM (MSR_SB_GLCP + 0x04)
+#define GLCP_SB_CLKOFF (MSR_SB_GLCP + 0x10)
+
+/* */
+/* MDD*/
+/* */
+#define MDD_SB_GLD_MSR_CAP (MSR_SB_MDD + 0x00)
+#define MDD_SB_GLD_MSR_CONF (MSR_SB_MDD + 0x01)
+#define MDD_SB_GLD_MSR_PM (MSR_SB_MDD + 0x04)
+#define LBAR_EN (0x01)
+#define IO_MASK (0x1f)
+#define MEM_MASK (0x0FFFFF)
+#define MDD_LBAR_IRQ (MSR_SB_MDD + 0x08)
+#define MDD_LBAR_KEL1 (MSR_SB_MDD + 0x09)
+#define MDD_LBAR_KEL2 (MSR_SB_MDD + 0x0A)
+#define MDD_LBAR_SMB (MSR_SB_MDD + 0x0B)
+#define MDD_LBAR_GPIO (MSR_SB_MDD + 0x0C)
+#define MDD_LBAR_MFGPT (MSR_SB_MDD + 0x0D)
+#define MDD_LBAR_ACPI (MSR_SB_MDD + 0x0E)
+#define MDD_LBAR_PMS (MSR_SB_MDD + 0x0F)
+
+#define MDD_LBAR_FLSH0 (MSR_SB_MDD + 0x010)
+#define MDD_LBAR_FLSH1 (MSR_SB_MDD + 0x011)
+#define MDD_LBAR_FLSH2 (MSR_SB_MDD + 0x012)
+#define MDD_LBAR_FLSH3 (MSR_SB_MDD + 0x013)
+#define MDD_LEG_IO (MSR_SB_MDD + 0x014)
+#define MDD_PIN_OPT (MSR_SB_MDD + 0x015)
+#define MDD_SOFT_IRQ (MSR_SB_MDD + 0x016)
+#define MDD_SOFT_RESET (MSR_SB_MDD + 0x017)
+#define MDD_NORF_CNTRL (MSR_SB_MDD + 0x018)
+#define MDD_NORF_T01 (MSR_SB_MDD + 0x019)
+#define MDD_NORF_T23 (MSR_SB_MDD + 0x01A)
+#define MDD_NANDF_DATA (MSR_SB_MDD + 0x01B)
+#define MDD_NADF_CNTL (MSR_SB_MDD + 0x01C)
+#define MDD_AC_DMA (MSR_SB_MDD + 0x01E)
+#define MDD_KEL_CNTRL (MSR_SB_MDD + 0x01F)
+
+#define MDD_IRQM_YLOW (MSR_SB_MDD + 0x020)
+#define MDD_IRQM_YHIGH (MSR_SB_MDD + 0x021)
+#define MDD_IRQM_ZLOW (MSR_SB_MDD + 0x022)
+#define MDD_IRQM_ZHIGH (MSR_SB_MDD + 0x023)
+#define MDD_IRQM_PRIM (MSR_SB_MDD + 0x024)
+#define MDD_IRQM_LPC (MSR_SB_MDD + 0x025)
+#define MDD_IRQM_LXIRR (MSR_SB_MDD + 0x026)
+#define MDD_IRQM_HXIRR (MSR_SB_MDD + 0x027)
+
+#define MDD_MFGPT_IRQ (MSR_SB_MDD + 0x028)
+#define MDD_MFGPT_NR (MSR_SB_MDD + 0x029)
+#define MDD_MFGPT_RES0 (MSR_SB_MDD + 0x02A)
+#define MDD_MFGPT_RES1 (MSR_SB_MDD + 0x02B)
+
+#define MDD_FLOP_S3F2 (MSR_SB_MDD + 0x030)
+#define MDD_FLOP_S3F7 (MSR_SB_MDD + 0x031)
+#define MDD_FLOP_S372 (MSR_SB_MDD + 0x032)
+#define MDD_FLOP_S377 (MSR_SB_MDD + 0x033)
+
+#define MDD_PIC_S (MSR_SB_MDD + 0x034)
+#define MDD_PIT_S (MSR_SB_MDD + 0x036)
+#define MDD_PIT_CNTRL (MSR_SB_MDD + 0x037)
+
+#define MDD_UART1_MOD (MSR_SB_MDD + 0x038)
+#define MDD_UART1_DON (MSR_SB_MDD + 0x039)
+#define MDD_UART1_CONF (MSR_SB_MDD + 0x03A)
+#define MDD_UART2_MOD (MSR_SB_MDD + 0x03C)
+#define MDD_UART2_DON (MSR_SB_MDD + 0x03D)
+#define MDD_UART2_CONF (MSR_SB_MDD + 0x03E)
+
+#define MDD_DMA_MAP (MSR_SB_MDD + 0x040)
+#define MDD_DMA_SHAD1 (MSR_SB_MDD + 0x041)
+#define MDD_DMA_SHAD2 (MSR_SB_MDD + 0x042)
+#define MDD_DMA_SHAD3 (MSR_SB_MDD + 0x043)
+#define MDD_DMA_SHAD4 (MSR_SB_MDD + 0x044)
+#define MDD_DMA_SHAD5 (MSR_SB_MDD + 0x045)
+#define MDD_DMA_SHAD6 (MSR_SB_MDD + 0x046)
+#define MDD_DMA_SHAD7 (MSR_SB_MDD + 0x047)
+#define MDD_DMA_SHAD8 (MSR_SB_MDD + 0x048)
+#define MDD_DMA_SHAD9 (MSR_SB_MDD + 0x049)
+
+#define MDD_LPC_EADDR (MSR_SB_MDD + 0x04C)
+#define MDD_LPC_ESTAT (MSR_SB_MDD + 0x04D)
+#define MDD_LPC_SIRQ (MSR_SB_MDD + 0x04E)
+#define MDD_LPC_RES (MSR_SB_MDD + 0x04F)
+
+#define MDD_PML_TMR (MSR_SB_MDD + 0x050)
+#define MDD_RTC_RAM_LO_CK (MSR_SB_MDD + 0x054)
+#define MDD_RTC_DOMA_IND (MSR_SB_MDD + 0x055)
+#define MDD_RTC_MONA_IND (MSR_SB_MDD + 0x056)
+#define MDD_RTC_CENTURY_OFFSET (MSR_SB_MDD + 0x057)
+
+
+/* ***********************************************************/
+/* LBUS Device Equates - */
+/* ***********************************************************/
+
+/* */
+/* SMBus*/
+/* */
+
+#define SMB_SDA 0x00
+#define SMB_STS 0x01
+#define SMB_STS_SLVSTP (0x01 << 7)
+#define SMB_STS_SDAST (0x01 << 6)
+#define SMB_STS_BER (0x01 << 5)
+#define SMB_STS_NEGACK (0x01 << 4)
+#define SMB_STS_STASTR (0x01 << 3)
+#define SMB_STS_NMATCH (0x01 << 2)
+#define SMB_STS_MASTER (0x01 << 1)
+#define SMB_STS_XMIT (0x01 << 0)
+
+#define SMB_CTRL_STS 0x02
+#define SMB_CSTS_TGSCL (0x01 << 5)
+#define SMB_CSTS_TSDA (0x01 << 4)
+#define SMB_CSTS_GCMTCH (0x01 << 3)
+#define SMB_CSTS_MATCH (0x01 << 2)
+#define SMB_CSTS_BB (0x01 << 1)
+#define SMB_CSTS_BUSY (0x01 << 0)
+
+#define SMB_CTRL1 0x03
+#define SMB_CTRL1_STASTRE (0x01 << 7)
+#define SMB_CTRL1_NMINTE (0x01 << 6)
+#define SMB_CTRL1_GCMEN (0x01 << 5)
+#define SMB_CTRL1_ACK (0x01 << 4)
+#define SMB_CTRL1_RSVD (0x01 << 3)
+#define SMB_CTRL1_INTEN (0x01 << 2)
+#define SMB_CTRL1_STOP (0x01 << 1)
+#define SMB_CTRL1_START (0x01 << 0)
+
+#define SMB_ADD 0x04
+#define SMB_ADD_SAEN (0x01 << 7)
+
+#define SMB_CTRL2 0x05
+#define SMB_CTRL2_ENABLE (0x01 << 0)
+
+#define SMB_CTRL3 0x06
+
+/* */
+/* GPIO*/
+/* */
+
+#define GPIOL_0_SET (1 << 0)
+#define GPIOL_1_SET (1 << 1)
+#define GPIOL_2_SET (1 << 2)
+#define GPIOL_3_SET (1 << 3)
+#define GPIOL_4_SET (1 << 4)
+#define GPIOL_5_SET (1 << 5)
+#define GPIOL_6_SET (1 << 6)
+#define GPIOL_7_SET (1 << 7)
+#define GPIOL_8_SET (1 << 8)
+#define GPIOL_9_SET (1 << 9)
+#define GPIOL_10_SET (1 << 10)
+#define GPIOL_11_SET (1 << 11)
+#define GPIOL_12_SET (1 << 12)
+#define GPIOL_13_SET (1 << 13)
+#define GPIOL_14_SET (1 << 14)
+#define GPIOL_15_SET (1 << 15)
+
+#define GPIOL_0_CLEAR (1 << 16)
+#define GPIOL_1_CLEAR (1 << 17)
+#define GPIOL_2_CLEAR (1 << 18)
+#define GPIOL_3_CLEAR (1 << 19)
+#define GPIOL_4_CLEAR (1 << 20)
+#define GPIOL_5_CLEAR (1 << 21)
+#define GPIOL_6_CLEAR (1 << 22)
+#define GPIOL_7_CLEAR (1 << 23)
+#define GPIOL_8_CLEAR (1 << 24)
+#define GPIOL_9_CLEAR (1 << 25)
+#define GPIOL_10_CLEAR (1 << 26)
+#define GPIOL_11_CLEAR (1 << 27)
+#define GPIOL_12_CLEAR (1 << 28)
+#define GPIOL_13_CLEAR (1 << 29)
+#define GPIOL_14_CLEAR (1 << 30)
+#define GPIOL_15_CLEAR (1 << 31)
+
+#define GPIOH_16_SET (1 << 0)
+#define GPIOH_17_SET (1 << 1)
+#define GPIOH_18_SET (1 << 2)
+#define GPIOH_19_SET (1 << 3)
+#define GPIOH_20_SET (1 << 4)
+#define GPIOH_21_SET (1 << 5)
+#define GPIOH_22_SET (1 << 6)
+#define GPIOH_23_SET (1 << 7)
+#define GPIOH_24_SET (1 << 8)
+#define GPIOH_25_SET (1 << 9)
+#define GPIOH_26_SET (1 << 10)
+#define GPIOH_27_SET (1 << 11)
+#define GPIOH_28_SET (1 << 12)
+#define GPIOH_29_SET (1 << 13)
+#define GPIOH_30_SET (1 << 14)
+#define GPIOH_31_SET (1 << 15)
+
+#define GPIOH_16_CLEAR (1 << 16)
+#define GPIOH_17_CLEAR (1 << 17)
+#define GPIOH_18_CLEAR (1 << 18)
+#define GPIOH_19_CLEAR (1 << 19)
+#define GPIOH_20_CLEAR (1 << 20)
+#define GPIOH_21_CLEAR (1 << 21)
+#define GPIOH_22_CLEAR (1 << 22)
+#define GPIOH_23_CLEAR (1 << 23)
+#define GPIOH_24_CLEAR (1 << 24)
+#define GPIOH_25_CLEAR (1 << 25)
+#define GPIOH_26_CLEAR (1 << 26)
+#define GPIOH_27_CLEAR (1 << 27)
+#define GPIOH_28_CLEAR (1 << 28)
+#define GPIOH_29_CLEAR (1 << 29)
+#define GPIOH_30_CLEAR (1 << 30)
+#define GPIOH_31_CLEAR (1 << 31)
+
+
+/* GPIO LOW Bank Bit Registers*/
+#define GPIOL_OUTPUT_VALUE (0x00)
+#define GPIOL_OUTPUT_ENABLE (0x04)
+#define GPIOL_OUT_OPENDRAIN (0x08)
+#define GPIOL_OUTPUT_INVERT_ENABLE (0x0C)
+#define GPIOL_OUT_AUX1_SELECT (0x10)
+#define GPIOL_OUT_AUX2_SELECT (0x14)
+#define GPIOL_PULLUP_ENABLE (0x18)
+#define GPIOL_PULLDOWN_ENABLE (0x1C)
+#define GPIOL_INPUT_ENABLE (0x20)
+#define GPIOL_INPUT_INVERT_ENABLE (0x24)
+#define GPIOL_IN_FILTER_ENABLE (0x28)
+#define GPIOL_IN_EVENTCOUNT_ENABLE (0x2C)
+#define GPIOL_READ_BACK (0x30)
+#define GPIOL_IN_AUX1_SELECT (0x34)
+#define GPIOL_EVENTS_ENABLE (0x38)
+#define GPIOL_LOCK_ENABLE (0x3C)
+#define GPIOL_IN_POSEDGE_ENABLE (0x40)
+#define GPIOL_IN_NEGEDGE_ENABLE (0x44)
+#define GPIOL_IN_POSEDGE_STATUS (0x48)
+#define GPIOL_IN_NEGEDGE_STATUS (0x4C)
+
+/* GPIO High Bank Bit Registers*/
+#define GPIOH_OUTPUT_VALUE (0x80)
+#define GPIOH_OUTPUT_ENABLE (0x84)
+#define GPIOH_OUT_OPENDRAIN (0x88)
+#define GPIOH_OUTPUT_INVERT_ENABLE (0x8C)
+#define GPIOH_OUT_AUX1_SELECT (0x90)
+#define GPIOH_OUT_AUX2_SELECT (0x94)
+#define GPIOH_PULLUP_ENABLE (0x98)
+#define GPIOH_PULLDOWN_ENABLE (0x9C)
+#define GPIOH_INPUT_ENABLE (0x0A0)
+#define GPIOH_INPUT_INVERT_ENABLE (0x0A4)
+#define GPIOH_IN_FILTER_ENABLE (0x0A8)
+#define GPIOH_IN_EVENTCOUNT_ENABLE (0x0AC)
+#define GPIOH_READ_BACK (0x0B0)
+#define GPIOH_IN_AUX1_SELECT (0x0B4)
+#define GPIOH_EVENTS_ENABLE (0x0B8)
+#define GPIOH_LOCK_ENABLE (0x0BC)
+#define GPIOH_IN_POSEDGE_ENABLE (0x0C0)
+#define GPIOH_IN_NEGEDGE_ENABLE (0x0C4)
+#define GPIOH_IN_POSEDGE_STATUS (0x0C8)
+#define GPIOH_IN_NEGEDGE_STATUS (0x0CC)
+
+/* Input Conditioning Function Registers*/
+#define GPIO_00_FILTER_AMOUNT (0x50)
+#define GPIO_00_FILTER_COUNT (0x52)
+#define GPIO_00_EVENT_COUNT (0x54)
+#define GPIO_00_EVENTCOMPARE_VALUE (0x56)
+#define GPIO_01_FILTER_AMOUNT (0x58)
+#define GPIO_01_FILTER_COUNT (0x5A)
+#define GPIO_01_EVENT_COUNT (0x5C)
+#define GPIO_01_EVENTCOMPARE_VALUE (0x5E)
+#define GPIO_02_FILTER_AMOUNT (0x60)
+#define GPIO_02_FILTER_COUNT (0x62)
+#define GPIO_02_EVENT_COUNT (0x64)
+#define GPIO_02_EVENTCOMPARE_VALUE (0x66)
+#define GPIO_03_FILTER_AMOUNT (0x68)
+#define GPIO_03_FILTER_COUNT (0x6A)
+#define GPIO_03_EVENT_COUNT (0x6C)
+#define GPIO_03_EVENTCOMPARE_VALUE (0x6E)
+#define GPIO_04_FILTER_AMOUNT (0x70)
+#define GPIO_04_FILTER_COUNT (0x72)
+#define GPIO_04_EVENT_COUNT (0x74)
+#define GPIO_04_EVENTCOMPARE_VALUE (0x76)
+#define GPIO_05_FILTER_AMOUNT (0x78)
+#define GPIO_05_FILTER_COUNT (0x7A)
+#define GPIO_05_EVENT_COUNT (0x7C)
+#define GPIO_05_EVENTCOMPARE_VALUE (0x7E)
+#define GPIO_06_FILTER_AMOUNT (0x0D0)
+#define GPIO_06_FILTER_COUNT (0x0D2)
+#define GPIO_06_EVENT_COUNT (0x0D4)
+#define GPIO_06_EVENTCOMPARE_VALUE (0x0D6)
+#define GPIO_07_FILTER_AMOUNT (0x0D8)
+#define GPIO_07_FILTER_COUNT (0x0DA)
+#define GPIO_07_EVENT_COUNT (0x0DC)
+#define GPIO_07_EVENTCOMPARE_VALUE (0x0DE)
+
+/* R/W GPIO Interrupt &PME Mapper Registers*/
+#define GPIO_MAPPER_X (0x0E0)
+#define GPIO_MAPPER_Y (0x0E4)
+#define GPIO_MAPPER_Z (0x0E8)
+#define GPIO_MAPPER_W (0x0EC)
+#define GPIO_FE_SELECT_0 (0x0F0)
+#define GPIO_FE_SELECT_1 (0x0F1)
+#define GPIO_FE_SELECT_2 (0x0F2)
+#define GPIO_FE_SELECT_3 (0x0F3)
+#define GPIO_FE_SELECT_4 (0x0F4)
+#define GPIO_FE_SELECT_5 (0x0F5)
+#define GPIO_FE_SELECT_6 (0x0F6)
+#define GPIO_FE_SELECT_7 (0x0F7)
+
+/* Event Counter Decrement Registers*/
+#define GPIOL_IN_EVENT_DECREMENT (0x0F8)
+#define GPIOH_IN_EVENT_DECREMENT (0x0FC)
+
+/* PMC register*/
+#define PM_SSD (0x00)
+#define PM_SCXA (0x04)
+#define PM_SCYA (0x08)
+#define PM_SODA (0x0C)
+#define PM_SCLK (0x10)
+#define PM_SED (0x14)
+#define PM_SCXD (0x18)
+#define PM_SCYD (0x1C)
+#define PM_SIDD (0x20)
+#define PM_WKD (0x30)
+#define PM_WKXD (0x34)
+#define PM_RD (0x38)
+#define PM_WKXA (0x3C)
+#define PM_FSD (0x40)
+#define PM_TSD (0x44)
+#define PM_PSD (0x48)
+#define PM_NWKD (0x4C)
+#define PM_AWKD (0x50)
+#define PM_SSC (0x54)
+
+
+/* FLASH device macros */
+#define FLASH_TYPE_NONE 0 /* No flash device installed */
+#define FLASH_TYPE_NAND 1 /* NAND device */
+#define FLASH_TYPE_NOR 2 /* NOR device */
+
+#define FLASH_IF_MEM 1 /* Memory or memory-mapped I/O interface for Flash device */
+#define FLASH_IF_IO 2 /* I/O interface for Flash device */
+
+/* Flash Memory Mask values */
+#define FLASH_MEM_DEFAULT 0x00000000
+#define FLASH_MEM_4K 0xFFFFF000
+#define FLASH_MEM_8K 0xFFFFE000
+#define FLASH_MEM_16K 0xFFFFC000
+#define FLASH_MEM_128K 0xFFFE0000
+#define FLASH_MEM_512K 0xFFFC0000
+#define FLASH_MEM_4M 0xFFC00000
+#define FLASH_MEM_8M 0xFF800000
+#define FLASH_MEM_16M 0xFF000000
+
+/* Flash IO Mask values */
+#define FLASH_IO_DEFAULT 0x00000000
+#define FLASH_IO_16B 0x0000FFF0
+#define FLASH_IO_32B 0x0000FFE0
+#define FLASH_IO_64B 0x0000FFC0
+#define FLASH_IO_128B 0x0000FF80
+#define FLASH_IO_256B 0x0000FF00
+
+
+#endif /* _CS5536_H */
diff --git a/src/southbridge/amd/cs5536/cs5536_early_setup.c b/src/southbridge/amd/cs5536/cs5536_early_setup.c
index 241b345b8e..b2b3fe6468 100644
--- a/src/southbridge/amd/cs5536/cs5536_early_setup.c
+++ b/src/southbridge/amd/cs5536/cs5536_early_setup.c
@@ -1,23 +1,31 @@
+/*
+* This file is part of the LinuxBIOS project.
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
/*
- *
* cs5536_early_setup.c: Early chipset initialization for CS5536 companion device
- *
- *
- * This file implements the initialization sequence documented in section 4.2 of
- * AMD Geode GX Processor CS5536 Companion Device GoedeROM Porting Guide.
- *
+ * This file implements the initialization sequence documented in section 4.2 of
+ * AMD Geode GX Processor CS5536 Companion Device GoedeROM Porting Guide.
*/
-#define CS5536_GLINK_PORT_NUM 0x02 /* the geode link port number to the CS5536 */
-#define CS5536_DEV_NUM 0x0F /* default PCI device number for CS5536 */
-
/**
* @brief Setup PCI IDSEL for CS5536
- *
- *
*/
-
static void cs5536_setup_extmsr(void)
{
msr_t msr;
@@ -25,11 +33,11 @@ static void cs5536_setup_extmsr(void)
/* forward MSR access to CS5536_GLINK_PORT_NUM to CS5536_DEV_NUM */
msr.hi = msr.lo = 0x00000000;
if (CS5536_GLINK_PORT_NUM <= 4) {
- msr.lo = CS5536_DEV_NUM << ((CS5536_GLINK_PORT_NUM - 1) * 8);
+ msr.lo = CS5536_DEV_NUM << (unsigned char)((CS5536_GLINK_PORT_NUM - 1) * 8);
} else {
- msr.hi = CS5536_DEV_NUM << ((CS5536_GLINK_PORT_NUM - 5) * 8);
+ msr.hi = CS5536_DEV_NUM << (unsigned char)((CS5536_GLINK_PORT_NUM - 5) * 8);
}
- wrmsr(0x5000201e, msr);
+ wrmsr(GLPCI_ExtMSR, msr);
}
static void cs5536_setup_idsel(void)
@@ -42,56 +50,58 @@ static void cs5536_usb_swapsif(void)
{
msr_t msr;
- msr = rdmsr(0x51600005);
+ msr = rdmsr(USB1_SB_GLD_MSR_CAP + 0x5);
//USB Serial short detect bit.
if (msr.hi & 0x10) {
- /* We need to preserve bits 32,33,35 and not clear any BIST error, but clear the
- * SERSHRT error bit */
+ /* We need to preserve bits 32,33,35 and not clear any BIST
+ * error, but clear the SERSHRT error bit */
+
msr.hi &= 0xFFFFFFFB;
- wrmsr(0x51600005, msr);
+ wrmsr(USB1_SB_GLD_MSR_CAP + 0x5, msr);
}
}
-static int cs5536_setup_iobase(void)
+static void cs5536_setup_iobase(void)
{
msr_t msr;
-
/* setup LBAR for SMBus controller */
- __builtin_wrmsr(0x5140000b, 0x00006000, 0x0000f001);
+ msr.hi = 0x0000f001;
+ msr.lo = SMBUS_IO_BASE;
+ wrmsr(MDD_LBAR_SMB, msr);
+
/* setup LBAR for GPIO */
- __builtin_wrmsr(0x5140000c, 0x00006100, 0x0000f001);
+ msr.hi = 0x0000f001;
+ msr.lo = GPIO_IO_BASE;
+ wrmsr(MDD_LBAR_GPIO, msr);
+
/* setup LBAR for MFGPT */
- __builtin_wrmsr(0x5140000d, 0x00006200, 0x0000f001);
+ msr.hi = 0x0000f001;
+ msr.lo = MFGPT_IO_BASE;
+ wrmsr(MDD_LBAR_MFGPT, msr);
+
/* setup LBAR for ACPI */
- __builtin_wrmsr(0x5140000e, 0x00009c00, 0x0000f001);
+ msr.hi = 0x0000f001;
+ msr.lo = ACPI_IO_BASE;
+ wrmsr(MDD_LBAR_ACPI, msr);
+
/* setup LBAR for PM Support */
- __builtin_wrmsr(0x5140000f, 0x00009d00, 0x0000f001);
+ msr.hi = 0x0000f001;
+ msr.lo = PMS_IO_BASE;
+ wrmsr(MDD_LBAR_PMS, msr);
}
-static void cs5536_setup_power_bottun(void)
+static void cs5536_setup_power_button(void)
{
- /* not implemented yet */
-#if 0
- pwrBtn_setup:
- ;
- ; Power Button Setup
- ;
- ;mov eax, 0C0020000h ; 4 seconds + lock
- mov eax, 040020000h ; 4 seconds no lock
- mov dx, PMLogic_BASE + 40h
- out dx, eax
+ /* Power Button Setup */
+ outl(0x40020000, PMS_IO_BASE + 0x40);
- ; setup GPIO24, it is the external signal for 5536 vsb_work_aux
+ /* setup GPIO24, it is the external signal for 5536 vsb_work_aux
; which 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.
- mov dx, GPIOH_OUT_AUX1_SELECT
- mov eax, GPIOH_24_SET
- out dx, eax
- mov dx, GPIOH_OUTPUT_ENABLE
- out dx, eax
+ ; If 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);
-#endif
}
static void cs5536_setup_gpio(void)
@@ -99,155 +109,97 @@ static void cs5536_setup_gpio(void)
uint32_t val;
/* setup GPIO pins 14/15 for SDA/SCL */
- val = (1<<14 | 1<<15);
- /* Output Enable */
- outl(0x3fffc000, 0x6100 + 0x04);
- //outl(val, 0x6100 + 0x04);
- /* Output AUX1 */
- outl(0x3fffc000, 0x6100 + 0x10);
- //outl(val, 0x6100 + 0x10);
- /* Input Enable */
- //outl(0x0f5af0a5, 0x6100 + 0x20);
- outl(0x3fffc000, 0x6100 + 0x20);
- //outl(val, 0x6100 + 0x20);
- /* Input AUX1 */
- //outl(0x3ffbc004, 0x6100 + 0x34);
- outl(0x3fffc000, 0x6100 + 0x34);
- //outl(val, 0x6100 + 0x34);
-
-#if 0
- /* changes proposed by Ollie; we will test this later. */
- /* setup GPIO pins 14/15 for SDA/SCL */
val = GPIOL_15_SET | GPIOL_14_SET;
/* Output Enable */
- //outl(0x3fffc000, 0x6100 + 0x04);
- outl(val, 0x6100 + 0x04);
+ outl(val, GPIO_IO_BASE + GPIOL_OUT_AUX1_SELECT);
/* Output AUX1 */
- //outl(0x3fffc000, 0x6100 + 0x10);
- outl(val, 0x6100 + 0x10);
+ outl(val, GPIO_IO_BASE + GPIOL_OUTPUT_ENABLE);
/* Input Enable */
- //outl(0x3fffc000, 0x6100 + 0x20);
- outl(val, 0x6100 + 0x20);
+ outl(val, GPIO_IO_BASE + GPIOL_IN_AUX1_SELECT);
/* Input AUX1 */
- //outl(0x3fffc000, 0x6100 + 0x34);
- outl(val, 0x6100 + 0x34);
-#endif
+ outl(val, GPIO_IO_BASE + GPIOL_INPUT_ENABLE);
}
static void cs5536_disable_internal_uart(void)
{
- /* not implemented yet */
-#if 0
- ; The UARTs default to enabled.
- ; Disable and reset them and configure them later. (SIO init)
- mov ecx, MDD_UART1_CONF
- RDMSR
- mov eax, 1h ; reset
- WRMSR
- mov eax, 0h ; disabled
- WRMSR
-
- mov ecx, MDD_UART2_CONF
- RDMSR
- mov eax, 1h ; reset
- WRMSR
- mov eax, 0h ; disabled
- WRMSR
-
-#endif
+ msr_t msr;
+ /* ; The UARTs default to enabled.
+ ; Disable and reset them and configure them later. (SIO init) */
+ msr = rdmsr(MDD_UART1_CONF);
+ msr.lo = 1; // reset
+ wrmsr(MDD_UART1_CONF, msr);
+ msr.lo = 0; // disabled
+ wrmsr(MDD_UART1_CONF, msr);
+
+ msr = rdmsr(MDD_UART2_CONF);
+ msr.lo = 1; // reset
+ wrmsr(MDD_UART2_CONF, msr);
+ msr.lo = 0; // disabled
+ wrmsr(MDD_UART2_CONF, msr);
}
static void cs5536_setup_cis_mode(void)
{
msr_t msr;
- /* setup CPU interface serial to mode C on both sides */
- msr = __builtin_rdmsr(0x51000010);
+ /* setup CPU interface serial to mode B to match CPU */
+ msr = rdmsr(GLPCI_SB_CTRL);
msr.lo &= ~0x18;
msr.lo |= 0x10;
- __builtin_wrmsr(0x51000010, msr.lo, msr.hi);
- //Only do this if we are building for 5536
- __builtin_wrmsr(0x54002010, 0x00000002, 0x00000000);
+ wrmsr(GLPCI_SB_CTRL, msr);
}
-static void dummy(void)
-{
-}
/* see page 412 of the cs5536 companion book */
-static int cs5536_setup_onchipuart(void)
+static void cs5536_setup_onchipuart(void)
{
- unsigned long m;
- /*
+ msr_t msr;
+
+ /* Setup early for polling only mode.
* 1. Eanble GPIO 8 to OUT_AUX1, 9 to IN_AUX1
- * GPIO LBAR + 0x04, LBAR + 0x10, LBAR + 0x20, LBAR + 34
+ * GPIO LBAR + 0x04, LBAR + 0x10, LBAR + 0x20, LBAR + 34
* 2. Enable UART IO space in MDD
- * MSR 0x51400014 bit 18:16
+ * MSR 0x51400014 bit 18:16
* 3. Enable UART controller
- * MSR 0x5140003A bit 0, 1
- * 4. IRQ routing on IRQ Mapper
- * MSR 0x51400021 bit [27:24]
+ * MSR 0x5140003A bit 0, 1
*/
- msr_t msr;
-
- /* Bit 1 = DEVEN (device enable)
- * Bit 4 = EN_BANKS (allow access to the upper banks)
- */
-
- msr.lo = (1 << 4) | (1 << 1);
- msr.hi = 0;
- /* This enables COM2, but that should be done elsewhere
- wrmsr(0x5140003e, msr);
- */
-
- /* enable COM1 */
- wrmsr(0x5140003a, msr);
/* GPIO8 - UART1_TX */
/* Set: Output Enable (0x4) */
- m = inl(GPIOL_OUTPUT_ENABLE);
- m |= GPIOL_8_SET;
- m &= ~GPIOL_8_CLEAR;
- outl(m,GPIOL_OUTPUT_ENABLE);
+ outl(GPIOL_8_SET, GPIO_IO_BASE + GPIOL_OUTPUT_ENABLE);
/* Set: OUTAUX1 Select (0x10) */
- m = inl(GPIOL_OUT_AUX1_SELECT);
- m |= GPIOL_8_SET;
- m &= ~GPIOL_8_CLEAR;
- outl(m,GPIOL_OUT_AUX1_SELECT);
- /* Set: Pull Up (0x18) */
- m = inl(GPIOL_PULLUP_ENABLE);
- m |= GPIOL_8_SET;
- m &= ~GPIOL_8_CLEAR;
+ outl(GPIOL_8_SET, GPIO_IO_BASE + GPIOL_OUT_AUX1_SELECT);
/* GPIO9 - UART1_RX */
- /* Set: Pull Up (0x18) */
- m |= GPIOL_9_SET;
- m &= ~GPIOL_9_CLEAR;
- outl(m,GPIOL_PULLUP_ENABLE);
/* Set: Input Enable (0x20) */
- m = inl(GPIOL_INPUT_ENABLE);
- m |= GPIOL_9_SET;
- m &= ~GPIOL_9_CLEAR;
- outl(m,GPIOL_INPUT_ENABLE);
+ outl(GPIOL_9_SET, GPIO_IO_BASE + GPIOL_INPUT_ENABLE);
/* Set: INAUX1 Select (0x34) */
- m = inl(GPIOL_IN_AUX1_SELECT);
- m |= GPIOL_9_SET;
- m &= ~GPIOL_9_CLEAR;
- outl(m,GPIOL_IN_AUX1_SELECT);
+ outl(GPIOL_9_SET, GPIO_IO_BASE + GPIOL_IN_AUX1_SELECT);
+ /* set address to 3F8 */
msr = rdmsr(MDD_LEG_IO);
msr.lo |= 0x7 << 16;
wrmsr(MDD_LEG_IO,msr);
+
+ /* Bit 1 = DEVEN (device enable)
+ * Bit 4 = EN_BANKS (allow access to the upper banks
+ */
+ msr.lo = (1 << 4) | (1 << 1);
+ msr.hi = 0;
+
+ /* enable COM1 */
+ wrmsr(MDD_UART1_CONF, msr);
}
-/* note: you can't do prints in here in most cases,
- * and we don't want to hang on serial, so they are
- * commented out
+/* note: you can't do prints in here in most cases,
+ * and we don't want to hang on serial, so they are
+ * commented out
*/
-static int cs5536_early_setup(void)
+static void cs5536_early_setup(void)
{
msr_t msr;
cs5536_setup_extmsr();
+ cs5536_setup_cis_mode();
msr = rdmsr(GLCP_SYS_RSTPLL);
if (msr.lo & (0x3f << 26)) {
@@ -262,9 +214,8 @@ static int cs5536_early_setup(void)
cs5536_setup_iobase();
//print_debug("Setup gpio\r\n");
cs5536_setup_gpio();
- //print_debug("Setup cis_mode\r\n");
- cs5536_setup_cis_mode();
//print_debug("Setup smbus\r\n");
cs5536_enable_smbus();
- dummy();
+ //print_debug("Setup power button\r\n");
+ cs5536_setup_power_button();
}
diff --git a/src/southbridge/amd/cs5536/cs5536_early_smbus.c b/src/southbridge/amd/cs5536/cs5536_early_smbus.c
index 0605d0cb82..a7617f8c43 100644
--- a/src/southbridge/amd/cs5536/cs5536_early_smbus.c
+++ b/src/southbridge/amd/cs5536/cs5536_early_smbus.c
@@ -1,45 +1,215 @@
-#include "cs5536_smbus.h"
+/*
+* This file is part of the LinuxBIOS project.
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include "cs5536.h"
+
+#define SMBUS_ERROR -1
+#define SMBUS_WAIT_UNTIL_READY_TIMEOUT -2
+#define SMBUS_WAIT_UNTIL_DONE_TIMEOUT -3
+#define SMBUS_TIMEOUT (1000)
-#define SMBUS_IO_BASE 0x6000
/* initialization for SMBus Controller */
-static int cs5536_enable_smbus(void)
+static void cs5536_enable_smbus(void)
{
- unsigned char val;
-
- /* reset SMBUS controller */
- outb(0, SMBUS_IO_BASE + SMB_CTRL2);
/* Set SCL freq and enable SMB controller */
- val = inb(SMBUS_IO_BASE + SMB_CTRL2);
- val |= ((0x20 << 1) | SMB_CTRL2_ENABLE);
- outb(val, SMBUS_IO_BASE + SMB_CTRL2);
+ /*outb((0x20 << 1) | SMB_CTRL2_ENABLE, smbus_io_base + SMB_CTRL2);*/
+ outb((0x7F << 1) | SMB_CTRL2_ENABLE, SMBUS_IO_BASE + SMB_CTRL2);
/* Setup SMBus host controller address to 0xEF */
- val = inb(SMBUS_IO_BASE + SMB_ADD);
- val |= (0xEF | SMB_ADD_SAEN);
- outb(val, SMBUS_IO_BASE + SMB_ADD);
+ outb((0xEF | SMB_ADD_SAEN), SMBUS_IO_BASE + SMB_ADD);
+
+}
+
+static void smbus_delay(void)
+{
+ /* inb(0x80); */
+}
+
+
+static int smbus_wait(unsigned smbus_io_base) {
+ unsigned long loops = SMBUS_TIMEOUT;
+ unsigned char val;
+
+ do {
+ smbus_delay();
+ val = inb(smbus_io_base + SMB_STS);
+ if ((val & SMB_STS_SDAST) != 0)
+ break;
+ if (val & (SMB_STS_BER | SMB_STS_NEGACK)) {
+ /*printk_debug("SMBUS WAIT ERROR %x\n", val);*/
+ return SMBUS_ERROR;
+ }
+ } while(--loops);
+ return loops ? 0 : SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+}
+
+/* generate a smbus start condition */
+static int smbus_start_condition(unsigned smbus_io_base)
+{
+ unsigned char val;
+
+ /* issue a START condition */
+ val = inb(smbus_io_base + SMB_CTRL1);
+ outb(val | SMB_CTRL1_START, smbus_io_base + SMB_CTRL1);
+
+ /* check for bus conflict */
+ val = inb(smbus_io_base + SMB_STS);
+ if ((val & SMB_STS_BER) != 0)
+ return SMBUS_ERROR;
+
+ return smbus_wait(smbus_io_base);
+}
+
+static int smbus_check_stop_condition(unsigned smbus_io_base)
+{
+ unsigned char val;
+ unsigned long loops;
+ loops = SMBUS_TIMEOUT;
+ /* check for SDA status */
+ do {
+ smbus_delay();
+ val = inb(smbus_io_base + SMB_CTRL1);
+ if ((val & SMB_CTRL1_STOP) == 0) {
+ break;
+ }
+ outb((0x7F << 1) | SMB_CTRL2_ENABLE, smbus_io_base + SMB_CTRL2);
+ } while(--loops);
+ return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
+}
+
+static int smbus_stop_condition(unsigned smbus_io_base)
+{
+ outb(SMB_CTRL1_STOP, smbus_io_base + SMB_CTRL1);
+ return smbus_wait(smbus_io_base);
}
-static int smbus_read_byte(unsigned device, unsigned address)
+static int smbus_ack(unsigned smbus_io_base, int state)
{
- return do_smbus_read_byte(SMBUS_IO_BASE, device, address-1);
+ unsigned char val = inb(smbus_io_base + SMB_CTRL1);
+
+/* if (state) */
+ outb(val | SMB_CTRL1_ACK, smbus_io_base + SMB_CTRL1);
+/* else
+ outb(val & ~SMB_CTRL1_ACK, smbus_io_base + SMB_CTRL1);
+*/
+ return 0;
}
-#if 0
-static int smbus_recv_byte(unsigned device)
+static int smbus_send_slave_address(unsigned smbus_io_base, unsigned char device)
{
- return do_smbus_recv_byte(SMBUS_IO_BASE, device);
+ unsigned char val;
+
+ /* send the slave address */
+ outb(device, smbus_io_base + SMB_SDA);
+
+ /* check for bus conflict and NACK */
+ val = inb(smbus_io_base + SMB_STS);
+ if (((val & SMB_STS_BER) != 0) ||
+ ((val & SMB_STS_NEGACK) != 0)) {
+ /* printk_debug("SEND SLAVE ERROR (%x)\n", val);*/
+ return SMBUS_ERROR;
+ }
+ return smbus_wait(smbus_io_base);
}
-static int smbus_send_byte(unsigned device, unsigned char val)
+static int smbus_send_command(unsigned smbus_io_base, unsigned char command)
{
- return do_smbus_send_byte(SMBUS_IO_BASE, device, val);
+ unsigned char val;
+
+ /* send the command */
+ outb(command, smbus_io_base + SMB_SDA);
+
+ /* check for bus conflict and NACK */
+ val = inb(smbus_io_base + SMB_STS);
+ if (((val & SMB_STS_BER) != 0) ||
+ ((val & SMB_STS_NEGACK) != 0))
+ return SMBUS_ERROR;
+
+ return smbus_wait(smbus_io_base);
+}
+
+static unsigned char smbus_get_result(unsigned smbus_io_base)
+{
+ return inb(smbus_io_base + SMB_SDA);
}
+static unsigned char do_smbus_read_byte(unsigned smbus_io_base, unsigned char device, unsigned char address)
+{
+ unsigned char error = 0;
+
+ if ((smbus_check_stop_condition(smbus_io_base))) {
+ error = 1;
+ goto err;
+ }
+
+ if ((smbus_start_condition(smbus_io_base))) {
+ error = 2;
+ goto err;
+ }
+
+ if ((smbus_send_slave_address(smbus_io_base, device))) {
+ error = 3;
+ goto err;
+ }
+
+ smbus_ack(smbus_io_base, 1 );
+
+ if ((smbus_send_command(smbus_io_base, address))) {
+ error = 4;
+ goto err;
+ }
+
+ if ((smbus_start_condition(smbus_io_base))) {
+ error = 5;
+ goto err;
+ }
+
+ if ((smbus_send_slave_address(smbus_io_base, device | 0x01))) {
+ error = 6;
+ goto err;
+ }
-static int smbus_write_byte(unsigned device, unsigned address, unsigned char val)
+ if ((smbus_stop_condition(smbus_io_base))) {
+ error = 7;
+ goto err;
+ }
+
+ return smbus_get_result(smbus_io_base);
+
+
+err:
+ print_debug("SMBUS READ ERROR:");
+ print_debug_hex8(error);
+ print_debug(" device:");
+ print_debug_hex8(device);
+ print_debug("\r\n");
+ /* stop, clean up the error, and leave */
+ smbus_stop_condition(smbus_io_base);
+ outb(inb(smbus_io_base + SMB_STS), smbus_io_base + SMB_STS);
+ outb(0x0, smbus_io_base + SMB_STS);
+ return 0xFF;
+}
+
+static inline int smbus_read_byte(unsigned device, unsigned address)
{
- return do_smbus_write_byte(SMBUS_IO_BASE, device, address, val);
+ return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
}
-#endif
+
diff --git a/src/southbridge/amd/cs5536/cs5536_ide.c b/src/southbridge/amd/cs5536/cs5536_ide.c
index 284b5037d8..1f4a2dbfd6 100644
--- a/src/southbridge/amd/cs5536/cs5536_ide.c
+++ b/src/southbridge/amd/cs5536/cs5536_ide.c
@@ -1,3 +1,22 @@
+/*
+* This file is part of the LinuxBIOS project.
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
@@ -5,26 +24,45 @@
#include <device/pci_ops.h>
#include "cs5536.h"
+#define IDE_CFG 0x40
+ #define CHANEN (1L << 1)
+ #define PWB (1L << 14)
+ #define CABLE (1L << 16)
+#define IDE_DTC 0x48
+#define IDE_CAST 0x4C
+#define IDE_ETC 0x50
+
static void ide_init(struct device *dev)
{
+ uint32_t ide_cfg;
+
printk_spew("cs5536_ide: %s\n", __FUNCTION__);
+ /* GPIO and IRQ setup are handled in the main chipset code. */
+
+ // Enable the channel and Post Write Buffer
+ // NOTE: Only 32-bit writes to the data buffer are allowed when PWB is set
+ ide_cfg = pci_read_config32(dev, IDE_CFG);
+ ide_cfg |= CHANEN | PWB;
+ pci_write_config8(dev, IDE_CFG, ide_cfg);
}
static void ide_enable(struct device *dev)
{
+
printk_spew("cs5536_ide: %s\n", __FUNCTION__);
+
}
static struct device_operations ide_ops = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
- .init = ide_init,
- .enable = ide_enable,
+ .init = ide_init,
+ .enable = 0,
};
static struct pci_driver ide_driver __pci_driver = {
- .ops = &ide_ops,
+ .ops = &ide_ops,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_CS5536_IDE,
};
diff --git a/src/southbridge/amd/cs5536/cs5536_smbus.h b/src/southbridge/amd/cs5536/cs5536_smbus.h
deleted file mode 100644
index 9cf55ba29c..0000000000
--- a/src/southbridge/amd/cs5536/cs5536_smbus.h
+++ /dev/null
@@ -1,180 +0,0 @@
-//#include <device/smbus_def.h>
-#define SMBUS_ERROR -1
-#define SMBUS_WAIT_UNTIL_READY_TIMEOUT -2
-#define SMBUS_WAIT_UNTIL_DONE_TIMEOUT -3
-
-#define SMB_SDA 0x00
-#define SMB_STS 0x01
-#define SMB_CTRL_STS 0x02
-#define SMB_CTRL1 0x03
-#define SMB_ADD 0x04
-#define SMB_CTRL2 0x05
-#define SMB_CTRL3 0x06
-
-#define SMB_STS_SLVSTP (0x01 << 7)
-#define SMB_STS_SDAST (0x01 << 6)
-#define SMB_STS_BER (0x01 << 5)
-#define SMB_STS_NEGACK (0x01 << 4)
-#define SMB_STS_STASTR (0x01 << 3)
-#define SMB_STS_NMATCH (0x01 << 2)
-#define SMB_STS_MASTER (0x01 << 1)
-#define SMB_STS_XMIT (0x01 << 0)
-
-#define SMB_CSTS_TGSCL (0x01 << 5)
-#define SMB_CSTS_TSDA (0x01 << 4)
-#define SMB_CSTS_GCMTCH (0x01 << 3)
-#define SMB_CSTS_MATCH (0x01 << 2)
-#define SMB_CSTS_BB (0x01 << 1)
-#define SMB_CSTS_BUSY (0x01 << 0)
-
-#define SMB_CTRL1_STASTRE (0x01 << 7)
-#define SMB_CTRL1_NMINTE (0x01 << 6)
-#define SMB_CTRL1_GCMEN (0x01 << 5)
-#define SMB_CTRL1_ACK (0x01 << 4)
-#define SMB_CTRL1_RSVD (0x01 << 3)
-#define SMB_CTRL1_INTEN (0x01 << 2)
-#define SMB_CTRL1_STOP (0x01 << 1)
-#define SMB_CTRL1_START (0x01 << 0)
-
-#define SMB_ADD_SAEN (0x01 << 7)
-
-#define SMB_CTRL2_ENABLE 0x01
-
-#define SMBUS_TIMEOUT (100*1000*10)
-#define SMBUS_STATUS_MASK 0xfbff
-
-#define SMBUS_IO_BASE 0x6000
-
-static void smbus_delay(void)
-{
- outb(0x80, 0x80);
-}
-
-/* generate a smbus start condition */
-static int smbus_start_condition(unsigned smbus_io_base)
-{
- unsigned char val;
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
-
- /* issue a START condition */
- val = inb(smbus_io_base + SMB_CTRL1);
- outb(val | SMB_CTRL1_START, smbus_io_base + SMB_CTRL1);
-
- /* check for bus conflict */
- val = inb(smbus_io_base + SMB_STS);
- if ((val & SMB_STS_BER) != 0)
- return SMBUS_ERROR;
-
- /* check for SDA status */
- do {
- smbus_delay();
- val = inw(smbus_io_base + SMB_STS);
- if ((val & SMB_STS_SDAST) != 0) {
- break;
- }
- } while(--loops);
- return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-}
-
-static int smbus_check_stop_condition(unsigned smbus_io_base)
-{
- unsigned char val;
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
- /* check for SDA status */
- do {
- smbus_delay();
- val = inw(smbus_io_base + SMB_CTRL1);
- if ((val & SMB_CTRL1_STOP) == 0) {
- break;
- }
- } while(--loops);
- return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-}
-
-static int smbus_stop_condition(unsigned smbus_io_base)
-{
- unsigned char val;
- val = inb(smbus_io_base + SMB_CTRL1);
- outb(SMB_CTRL1_STOP, smbus_io_base + SMB_CTRL1);
-}
-
-static int smbus_send_slave_address(unsigned smbus_io_base, unsigned char device)
-{
- unsigned char val;
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
-
- /* send the slave address */
- outb(device, smbus_io_base + SMB_SDA);
-
- /* check for bus conflict and NACK */
- val = inb(smbus_io_base + SMB_STS);
- if (((val & SMB_STS_BER) != 0) ||
- ((val & SMB_STS_NEGACK) != 0))
- return SMBUS_ERROR;
-
- /* check for SDA status */
- do {
- smbus_delay();
- val = inw(smbus_io_base + SMB_STS);
- if ((val & SMB_STS_SDAST) != 0) {
- break;
- }
- } while(--loops);
- return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-}
-
-static int smbus_send_command(unsigned smbus_io_base, unsigned char command)
-{
- unsigned char val;
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
-
- /* send the command */
- outb(command, smbus_io_base + SMB_SDA);
-
- /* check for bus conflict and NACK */
- val = inb(smbus_io_base + SMB_STS);
- if (((val & SMB_STS_BER) != 0) ||
- ((val & SMB_STS_NEGACK) != 0))
- return SMBUS_ERROR;
-
- /* check for SDA status */
- do {
- smbus_delay();
- val = inw(smbus_io_base + SMB_STS);
- if ((val & SMB_STS_SDAST) != 0) {
- break;
- }
- } while(--loops);
- return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-}
-
-static unsigned char do_smbus_read_byte(unsigned smbus_io_base, unsigned char device, unsigned char address)
-{
- unsigned char val, val1;
-
- smbus_check_stop_condition(smbus_io_base);
-
- smbus_start_condition(smbus_io_base);
-
- smbus_send_slave_address(smbus_io_base, device);
-
- smbus_send_command(smbus_io_base, address);
-
- smbus_start_condition(smbus_io_base);
-
- smbus_send_slave_address(smbus_io_base, device | 0x01);
-
- /* send NACK to slave */
- val = inb(smbus_io_base + SMB_CTRL1);
- outb(val | SMB_CTRL1_ACK, smbus_io_base + SMB_CTRL1);
-
- val = inb(smbus_io_base + SMB_SDA);
-
- //smbus_stop_condition(smbus_io_base);
-
- return val;
-}
diff --git a/src/southbridge/amd/cs5536/cs5536_smbus2.h b/src/southbridge/amd/cs5536/cs5536_smbus2.h
index 3f5dad002e..cb4a1e731d 100644
--- a/src/southbridge/amd/cs5536/cs5536_smbus2.h
+++ b/src/southbridge/amd/cs5536/cs5536_smbus2.h
@@ -43,11 +43,10 @@
#define SMBUS_TIMEOUT (100*1000*10)
#define SMBUS_STATUS_MASK 0xfbff
-#define SMBUS_IO_BASE 0x6000
static void smbus_delay(void)
{
- outb(0x80, 0x80);
+ inb(0x80);
}
static int smbus_wait(unsigned smbus_io_base) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 16:57:07 +0000