diff options
Diffstat (limited to 'src/southbridge/intel/i82801ca/i82801ca_lpc.c')
| -rw-r--r-- | src/southbridge/intel/i82801ca/i82801ca_lpc.c | 94 |
1 files changed, 47 insertions, 47 deletions
diff --git a/src/southbridge/intel/i82801ca/i82801ca_lpc.c b/src/southbridge/intel/i82801ca/i82801ca_lpc.c index 306d01a972..99d6803931 100644 --- a/src/southbridge/intel/i82801ca/i82801ca_lpc.c +++ b/src/southbridge/intel/i82801ca/i82801ca_lpc.c @@ -1,7 +1,7 @@ /* * (C) 2003 Linux Networx, SuSE Linux AG * (C) 2004 Tyan Computer - * (c) 2005 Digital Design Corporation
+ * (c) 2005 Digital Design Corporation */ #include <console/console.h> #include <device/device.h> @@ -14,14 +14,14 @@ #include "i82801ca.h" #define NMI_OFF 0 -
-#ifndef MAINBOARD_POWER_ON_AFTER_POWER_FAIL
-#define MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
-#endif
-
-#define MAINBOARD_POWER_OFF 0
-#define MAINBOARD_POWER_ON 1
-
+ +#ifndef MAINBOARD_POWER_ON_AFTER_POWER_FAIL +#define MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON +#endif + +#define MAINBOARD_POWER_OFF 0 +#define MAINBOARD_POWER_ON 1 + void i82801ca_enable_ioapic( struct device *dev) { @@ -60,20 +60,20 @@ void i82801ca_enable_serial_irqs( struct device *dev) pci_write_config8(dev, SERIRQ_CNTL, (1 << 7)|(1 << 6)|((21 - 17) << 2)|(0<< 0)); } -//----------------------------------------------------------------------------------
-// Function: i82801ca_lpc_route_dma
+//---------------------------------------------------------------------------------- +// Function: i82801ca_lpc_route_dma // Parameters: dev // mask - identifies whether each channel should be used for PCI DMA // (bit = 0) or LPC DMA (bit = 1). The LSb controls channel 0. -// Channel 4 is not used (reserved).
-// Return Value: None
-// Description: Route all DMA channels to either PCI or LPC.
-//
+// Channel 4 is not used (reserved). +// Return Value: None +// Description: Route all DMA channels to either PCI or LPC. +// void i82801ca_lpc_route_dma( struct device *dev, uint8_t mask) { uint16_t dmaConfig; int channelIndex; -
+ dmaConfig = pci_read_config16(dev, PCI_DMA_CFG); dmaConfig &= 0x300; // Preserve reserved bits for(channelIndex = 0; channelIndex < 8; channelIndex++) { @@ -87,26 +87,26 @@ void i82801ca_lpc_route_dma( struct device *dev, uint8_t mask) void i82801ca_rtc_init(struct device *dev) { uint32_t dword; - int rtc_failed;
- int pwr_on = MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
- uint8_t pmcon3 = pci_read_config8(dev, GEN_PMCON_3);
+ int rtc_failed; + int pwr_on = MAINBOARD_POWER_ON_AFTER_POWER_FAIL; + uint8_t pmcon3 = pci_read_config8(dev, GEN_PMCON_3); rtc_failed = pmcon3 & RTC_BATTERY_DEAD; if (rtc_failed) { // Clear the RTC_BATTERY_DEAD bit, but preserve - // the RTC_POWER_FAILED, G3 state, and reserved bits
+ // the RTC_POWER_FAILED, G3 state, and reserved bits // NOTE: RTC_BATTERY_DEAD and RTC_POWER_FAILED are "write-1-clear" bits pmcon3 &= ~RTC_POWER_FAILED; - }
-
- get_option(&pwr_on, "power_on_after_fail");
- pmcon3 &= ~SLEEP_AFTER_POWER_FAIL;
- if (!pwr_on) {
- pmcon3 |= SLEEP_AFTER_POWER_FAIL;
- }
- pci_write_config8(dev, GEN_PMCON_3, pmcon3);
- printk_info("set power %s after power fail\n",
- pwr_on ? "on" : "off");
+ } + + get_option(&pwr_on, "power_on_after_fail"); + pmcon3 &= ~SLEEP_AFTER_POWER_FAIL; + if (!pwr_on) { + pmcon3 |= SLEEP_AFTER_POWER_FAIL; + } + pci_write_config8(dev, GEN_PMCON_3, pmcon3); + printk_info("set power %s after power fail\n", + pwr_on ? "on" : "off"); // See if the Safe Mode jumper is set dword = pci_read_config32(dev, GEN_STS); @@ -142,14 +142,14 @@ void i82801ca_1f0_misc(struct device *dev) // Enable access to the upper 128 byte bank of CMOS RAM pci_write_config8(dev, RTC_CONF, 0x04); - // Decode 0x3F8-0x3FF (COM1) for COMA port,
+ // Decode 0x3F8-0x3FF (COM1) for COMA port, // 0x2F8-0x2FF (COM2) for COMB pci_write_config8(dev, COM_DEC, 0x10); -
- // LPT decode defaults to 0x378-0x37F and 0x778-0x77F
- // Floppy decode defaults to 0x3F0-0x3F5, 0x3F7
- // Enable COMA, COMB, LPT, floppy;
+ // LPT decode defaults to 0x378-0x37F and 0x778-0x77F + // Floppy decode defaults to 0x3F0-0x3F5, 0x3F7 + + // Enable COMA, COMB, LPT, floppy; // disable microcontroller, Super I/O, sound, gameport pci_write_config16(dev, LPC_EN, 0x000F); } @@ -179,18 +179,18 @@ static void lpc_init(struct device *dev) pci_write_config8(dev, GEN_PMCON_3, byte); printk_info("set power %s after power fail\n", pwr_on?"on":"off"); - /* Set up NMI on errors */
- byte = inb(0x61);
- byte &= ~(1 << 3); /* IOCHK# NMI Enable */
- byte &= ~(1 << 2); /* PCI SERR# Enable */
- outb(byte, 0x61);
- byte = inb(0x70);
- nmi_option = NMI_OFF;
- get_option(&nmi_option, "nmi");
- if (nmi_option) {
- byte &= ~(1 << 7); /* set NMI */
- outb(byte, 0x70);
- }
+ /* Set up NMI on errors */ + byte = inb(0x61); + byte &= ~(1 << 3); /* IOCHK# NMI Enable */ + byte &= ~(1 << 2); /* PCI SERR# Enable */ + outb(byte, 0x61); + byte = inb(0x70); + nmi_option = NMI_OFF; + get_option(&nmi_option, "nmi"); + if (nmi_option) { + byte &= ~(1 << 7); /* set NMI */ + outb(byte, 0x70); + } /* Initialize the real time clock */ i82801ca_rtc_init(dev); |