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-rw-r--r--src/southbridge/via/vt8231/Config.lb2
-rw-r--r--src/southbridge/via/vt8231/chip.h14
-rw-r--r--src/southbridge/via/vt8231/vt8231.c359
-rw-r--r--src/southbridge/via/vt8231/vt8231.h195
4 files changed, 570 insertions, 0 deletions
diff --git a/src/southbridge/via/vt8231/Config.lb b/src/southbridge/via/vt8231/Config.lb
new file mode 100644
index 0000000000..adaa1218e9
--- /dev/null
+++ b/src/southbridge/via/vt8231/Config.lb
@@ -0,0 +1,2 @@
+config chip.h
+object w83c553f.o
diff --git a/src/southbridge/via/vt8231/chip.h b/src/southbridge/via/vt8231/chip.h
new file mode 100644
index 0000000000..5c2d67a78f
--- /dev/null
+++ b/src/southbridge/via/vt8231/chip.h
@@ -0,0 +1,14 @@
+#ifndef _SOUTHBRIDGE_VIA_VT8231
+#define _SOUTHBRIDGE_VIA_VT8231
+
+extern struct chip_control southbridge_via_vt8231_control;
+
+struct southbridge_via_vt8231_config {
+ int enable_usb;
+ int enable_native_ide;
+ int enable_com_ports;
+ int enable_keyboard;
+ int enable_nvram;
+};
+
+#endif /* _SOUTHBRIDGE_VIA_VT8231 */
diff --git a/src/southbridge/via/vt8231/vt8231.c b/src/southbridge/via/vt8231/vt8231.c
new file mode 100644
index 0000000000..d1bb66ba64
--- /dev/null
+++ b/src/southbridge/via/vt8231/vt8231.c
@@ -0,0 +1,359 @@
+
+#include <arch/io.h>
+#include <device/pci.h>
+#include <device/chip.h>
+#include <console/console.h>
+#include "vt8231.h"
+#include "chip.h"
+
+
+
+void usb_on(int enable)
+{
+ unsigned char regval;
+
+ /* Base 8231 controller */
+ struct pci_dev *dev0 = pci_find_device(PCI_VENDOR_ID_VIA, \
+ PCI_DEVICE_ID_VIA_8231, 0);
+ /* USB controller 1 */
+ struct pci_dev *dev2 = pci_find_device(PCI_VENDOR_ID_VIA, \
+ PCI_DEVICE_ID_VIA_82C586_2, 0);
+ /* USB controller 2 */
+ struct pci_dev *dev3 = pci_find_device(PCI_VENDOR_ID_VIA, \
+ PCI_DEVICE_ID_VIA_82C586_2, \
+ dev2);
+
+ /* enable USB1 */
+ if(dev2) {
+ if (enable) {
+ pci_write_config_byte(dev2, 0x3c, 0x05);
+ pci_write_config_byte(dev2, 0x04, 0x07);
+ } else {
+ pci_write_config_byte(dev2, 0x3c, 0x00);
+ pci_write_config_byte(dev2, 0x04, 0x00);
+ }
+ }
+
+ if(dev0) {
+ pci_read_config_byte(dev0, 0x50, &regval);
+ if (enable)
+ regval &= ~(0x10);
+ else
+ regval |= 0x10;
+ pci_write_config_byte(dev0, 0x50, regval);
+ }
+
+ /* enable USB2 */
+ if(dev3) {
+ if (enable) {
+ pci_write_config_byte(dev3, 0x3c, 0x05);
+ pci_write_config_byte(dev3, 0x04, 0x07);
+ } else {
+ pci_write_config_byte(dev3, 0x3c, 0x00);
+ pci_write_config_byte(dev3, 0x04, 0x00);
+ }
+ }
+
+ if(dev0) {
+ pci_read_config_byte(dev0, 0x50, &regval);
+ if (enable)
+ regval &= ~(0x20);
+ else
+ regval |= 0x20;
+ pci_write_config_byte(dev0, 0x50, regval);
+ }
+
+}
+
+void keyboard_on()
+{
+ unsigned char regval;
+
+ /* Base 8231 controller */
+ struct pci_dev *dev0 = pci_find_device(PCI_VENDOR_ID_VIA, \
+ PCI_DEVICE_ID_VIA_8231, 0);
+
+ /* kevinh/Ispiri - update entire function to use
+ new pci_write_config_byte */
+
+ if (dev0) {
+ pci_read_config_byte(dev0, 0x51, &regval);
+ regval |= 0x0f;
+ pci_write_config_byte(dev0, 0x51, regval);
+ }
+ pc_keyboard_init();
+
+}
+
+void nvram_on()
+{
+ /*
+ * the VIA 8231 South has a very different nvram setup than the
+ * piix4e ...
+ * turn on ProMedia nvram.
+ * TO DO: use the PciWriteByte function here.
+ */
+
+ /*
+ * kevinh/Ispiri - I don't think this is the correct address/value
+ * intel_conf_writeb(0x80008841, 0xFF);
+ */
+}
+
+
+/*
+ * Enable the ethernet device and turn off stepping (because it is integrated
+ * inside the southbridge)
+ */
+void ethernet_fixup()
+{
+ struct pci_dev *dev, *edev;
+ u8 byte;
+
+ printk_info("Ethernet fixup\n");
+
+ edev = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_7, 0);
+ if (edev != NULL) {
+ printk_debug("Configuring VIA LAN\n");
+
+ /* We don't need stepping - though the device supports it */
+ pci_read_config_byte(edev, PCI_COMMAND, &byte);
+ byte &= ~PCI_COMMAND_WAIT;
+ pci_write_config_byte(edev, PCI_COMMAND, byte);
+ } else {
+ printk_debug("VIA LAN not found\n");
+ }
+}
+
+
+void southbridge_fixup()
+{
+ unsigned char enables;
+ struct pci_dev *dev0;
+ struct pci_dev *dev1;
+ struct pci_dev *devpwr;
+
+ // to do: use the pcibios_find function here, instead of
+ // hard coding the devfn.
+ // done - kevinh/Ispiri
+
+ /* Base 8231 controller */
+ dev0 = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0);
+ /* IDE controller */
+ dev1 = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, \
+ 0);
+ /* Power management controller */
+ devpwr = pci_find_device(PCI_VENDOR_ID_VIA, \
+ PCI_DEVICE_ID_VIA_8231_4, 0);
+
+ // enable the internal I/O decode
+ enables = pci_read_config_byte(dev0, 0x6C, &enables);
+ enables |= 0x80;
+ pci_write_config_byte(dev0, 0x6C, enables);
+
+ // Map 4MB of FLASH into the address space
+ pci_write_config_byte(dev0, 0x41, 0x7f);
+
+ // Set bit 6 of 0x40, because Award does it (IO recovery time)
+ // IMPORTANT FIX - EISA 0x4d0 decoding must be on so that PCI
+ // interrupts can be properly marked as level triggered.
+ enables = pci_read_config_byte(dev0, 0x40, &enables); enables |= 0x44;
+ pci_write_config_byte(dev0, 0x40, enables);
+
+ // Set 0x42 to 0xf0 to match Award bios
+ enables = pci_read_config_byte(dev0, 0x42, &enables);
+ enables |= 0xf0;
+ pci_write_config_byte(dev0, 0x42, enables);
+
+ // Set bit 3 of 0x4a, to match award (dummy pci request)
+ enables = pci_read_config_byte(dev0, 0x4a, &enables);
+ enables |= 0x08;
+ pci_write_config_byte(dev0, 0x4a, enables);
+
+ // Set bit 3 of 0x4f to match award (use INIT# as cpu reset)
+ enables = pci_read_config_byte(dev0, 0x4f, &enables);
+ enables |= 0x08;
+ pci_write_config_byte(dev0, 0x4f, enables);
+
+ // Set 0x58 to 0x03 to match Award
+ pci_write_config_byte(dev0, 0x58, 0x03);
+
+ // enable the ethernet/RTC
+ if(dev0) {
+ pci_read_config_byte(dev0, 0x51, &enables);
+ enables |= 0x18;
+ pci_write_config_byte(dev0, 0x51, enables);
+ }
+
+
+ // enable com1 and com2.
+ if (conf->enable_com_ports) {
+ enables = pci_read_config_byte(dev0, 0x6e, &enables);
+ /* 0x80 is enable com port b, 0x10 is to make it com2, 0x8
+ * is enable com port a as com1 kevinh/Ispiri - Old code
+ * thought 0x01 would make it com1, that was wrong /*
+ * enables = 0x80 | 0x10 | 0x8 ; pci_write_config_byte(dev0,
+ * 0x6e, enables); // note: this is also a redo of some port
+ * of assembly, but we want everything up.
+ */
+
+ /* set com1 to 115 kbaud not clear how to do this yet.
+ * forget it; done in assembly.
+ */
+#endif
+
+ // enable IDE, since Linux won't do it.
+ // First do some more things to devfn (17,0)
+ // note: this should already be cleared, according to the book.
+ pci_read_config_byte(dev0, 0x50, &enables);
+ printk_debug("IDE enable in reg. 50 is 0x%x\n", enables);
+ enables &= ~8; // need manifest constant here!
+ printk_debug("set IDE reg. 50 to 0x%x\n", enables);
+ pci_write_config_byte(dev0, 0x50, enables);
+
+ // set default interrupt values (IDE)
+ pci_read_config_byte(dev0, 0x4c, &enables);
+ printk_debug("IRQs in reg. 4c are 0x%x\n", enables & 0xf);
+ // clear out whatever was there.
+ enables &= ~0xf;
+ enables |= 4;
+ printk_debug("setting reg. 4c to 0x%x\n", enables);
+ pci_write_config_byte(dev0, 0x4c, enables);
+
+ // set up the serial port interrupts.
+ // com2 to 3, com1 to 4
+ pci_write_config_byte(dev0, 0x46, 0x04);
+ pci_write_config_byte(dev0, 0x47, 0x03);
+
+ //
+ // Power management setup
+ //
+ // Set ACPI base address to IO 0x4000
+ pci_write_config_dword(devpwr, 0x48, 0x4001);
+
+ // Enable ACPI access (and setup like award)
+ pci_write_config_byte(devpwr, 0x41, 0x84);
+
+ // Set hardware monitor base address to IO 0x6000
+ pci_write_config_dword(devpwr, 0x70, 0x6001);
+
+ // Enable hardware monitor (and setup like award)
+ pci_write_config_byte(devpwr, 0x74, 0x01);
+
+ // set IO base address to 0x5000
+ pci_write_config_dword(devpwr, 0x90, 0x5001);
+
+ // Enable SMBus
+ pci_write_config_byte(devpwr, 0xd2, 0x01);
+
+ //
+ // IDE setup
+ //
+ if (conf->enable_native_ide) {
+ // Run the IDE controller in 'compatiblity mode - i.e. don't use PCI
+ // interrupts. Using PCI ints confuses linux for some reason.
+
+ pci_read_config_byte(dev1, 0x42, &enables);
+ printk_debug("enables in reg 0x42 0x%x\n", enables);
+ enables &= ~0xc0; // compatability mode
+ pci_write_config_byte(dev1, 0x42, enables);
+ pci_read_config_byte(dev1, 0x42, &enables);
+ printk_debug("enables in reg 0x42 read back as 0x%x\n", enables);
+ }
+
+ pci_read_config_byte(dev1, 0x40, &enables);
+ printk_debug("enables in reg 0x40 0x%x\n", enables);
+ enables |= 3;
+ pci_write_config_byte(dev1, 0x40, enables);
+ pci_read_config_byte(dev1, 0x40, &enables);
+ printk_debug("enables in reg 0x40 read back as 0x%x\n", enables);
+
+ // Enable prefetch buffers
+ pci_read_config_byte(dev1, 0x41, &enables);
+ enables |= 0xf0;
+ pci_write_config_byte(dev1, 0x41, enables);
+
+ // Lower thresholds (cause award does it)
+ pci_read_config_byte(dev1, 0x43, &enables);
+ enables &= ~0x0f;
+ enables |= 0x05;
+ pci_write_config_byte(dev1, 0x43, enables);
+
+ // PIO read prefetch counter (cause award does it)
+ pci_write_config_byte(dev1, 0x44, 0x18);
+
+ // Use memory read multiple
+ pci_write_config_byte(dev1, 0x45, 0x1c);
+
+ // address decoding.
+ // we want "flexible", i.e. 1f0-1f7 etc. or native PCI
+ // kevinh@ispiri.com - the standard linux drivers seem ass slow when
+ // used in native mode - I've changed back to classic
+ pci_read_config_byte(dev1, 0x9, &enables);
+ printk_debug("enables in reg 0x9 0x%x\n", enables);
+ // by the book, set the low-order nibble to 0xa.
+ if (conf->enable_native_ide) {
+ enables &= ~0xf;
+ // cf/cg silicon needs an 'f' here.
+ enables |= 0xf;
+ } else {
+ enables &= ~0x5;
+ }
+
+ pci_write_config_byte(dev1, 0x9, enables);
+ pci_read_config_byte(dev1, 0x9, &enables);
+ printk_debug("enables in reg 0x9 read back as 0x%x\n", enables);
+
+ // standard bios sets master bit.
+ pci_read_config_byte(dev1, 0x4, &enables);
+ printk_debug("command in reg 0x4 0x%x\n", enables);
+ enables |= 7;
+
+ // No need for stepping - kevinh@ispiri.com
+ enables &= ~0x80;
+
+ pci_write_config_byte(dev1, 0x4, enables);
+ pci_read_config_byte(dev1, 0x4, &enables);
+ printk_debug("command in reg 0x4 reads back as 0x%x\n", enables);
+
+ if (! conf->enable_native_ide) {
+ // Use compatability mode - per award bios
+ pci_write_config_dword(dev1, 0x10, 0x0);
+ pci_write_config_dword(dev1, 0x14, 0x0);
+ pci_write_config_dword(dev1, 0x18, 0x0);
+ pci_write_config_dword(dev1, 0x1c, 0x0);
+
+ // Force interrupts to use compat mode - just like Award bios
+ pci_write_config_byte(dev1, 0x3d, 00);
+ pci_write_config_byte(dev1, 0x3c, 0xff);
+ }
+
+
+ ethernet_fixup();
+
+ // Start the rtc
+ rtc_init(0);
+}
+
+static void
+southbridge_init(struct chip *chip, enum chip_pass pass)
+{
+
+ struct southbridge_via_vt8231_config *conf =
+ (struct southbridge_via_vt8231_config *)chip->chip_info;
+
+ switch (pass) {
+ case CONF_PASS_POST_PCI:
+ vt8231_init(conf);
+ break;
+
+ default:
+ /* nothing yet */
+ break;
+ }
+}
+
+struct chip_control southbridge_via_vt8231_control = {
+ enable: southbridge_init,
+ name: "VIA vt8231"
+};
diff --git a/src/southbridge/via/vt8231/vt8231.h b/src/southbridge/via/vt8231/vt8231.h
new file mode 100644
index 0000000000..f071371938
--- /dev/null
+++ b/src/southbridge/via/vt8231/vt8231.h
@@ -0,0 +1,195 @@
+/*
+ * (C) Copyright 2000
+ * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+ /* winbond access routines and defines*/
+
+/* from the winbond data sheet -
+ The W83C553F SIO controller with PCI arbiter is a multi-function PCI device.
+ Function 0 is the ISA bridge, and Function 1 is the bus master IDE controller.
+*/
+
+/*ISA bridge configuration space*/
+
+#define W83C553F_VID 0x10AD
+#define W83C553F_DID 0x0565
+#define W83C553F_IDE 0x0105
+
+/* Function 0 registers */
+#define W83C553F_PCICONTR 0x40 /*pci control reg*/
+#define W83C553F_SGBAR 0x41 /*scatter/gather base address reg*/
+#define W83C553F_LBCR 0x42 /*Line Buffer Control reg*/
+#define W83C553F_IDEIRCR 0x43 /*IDE Interrupt Routing Control Reg*/
+#define W83C553F_PCIIRCR 0x44 /*PCI Interrupt Routing Control Reg*/
+#define W83C553F_BTBAR 0x46 /*BIOS Timer Base Address Register*/
+#define W83C553F_IPADCR 0x48 /*ISA to PCI Address Decoder Control Register*/
+#define W83C553F_IRADCR 0x49 /*ISA ROM Address Decoder Control Register*/
+#define W83C553F_IPMHSAR 0x4a /*ISA to PCI Memory Hole STart Address Register*/
+#define W83C553F_IPMHSR 0x4b /*ISA to PCI Memory Hols Size Register*/
+#define W83C553F_CDR 0x4c /*Clock Divisor Register*/
+#define W83C553F_CSCR 0x4d /*Chip Select Control Register*/
+#define W83C553F_ATSCR 0x4e /*AT System Control register*/
+#define W83C553F_ATBCR 0x4f /*AT Bus ControL Register*/
+#define W83C553F_IRQBEE0R 0x60 /*IRQ Break Event Enable 0 Register*/
+#define W83C553F_IRQBEE1R 0x61 /*IRQ Break Event Enable 1 Register*/
+#define W83C553F_ABEER 0x62 /*Additional Break Event Enable Register*/
+#define W83C553F_DMABEER 0x63 /*DMA Break Event Enable Register*/
+
+/* Function 1 registers */
+#define W83C553F_PIR 0x09 /*Programming Interface Register*/
+#define W83C553F_IDECSR 0x40 /*IDE Control/Status Register*/
+
+/* register bit definitions */
+#define W83C553F_IPADCR_MBE512 0x1
+#define W83C553F_IPADCR_MBE640 0x2
+#define W83C553F_IPADCR_IPATOM4 0x10
+#define W83C553F_IPADCR_IPATOM5 0x20
+#define W83C553F_IPADCR_IPATOM6 0x40
+#define W83C553F_IPADCR_IPATOM7 0x80
+
+#define W83C553F_CSCR_UBIOSCSE 0x10
+#define W83C553F_CSCR_BIOSWP 0x20
+
+#define W83C553F_IDECSR_P0EN 0x01
+#define W83C553F_IDECSR_P0F16 0x02
+#define W83C553F_IDECSR_P1EN 0x10
+#define W83C553F_IDECSR_P1F16 0x20
+#define W83C553F_IDECSR_LEGIRQ 0x800
+
+#define W83C553F_ATSCR_ISARE 0x40
+#define W83C553F_ATSCR_FERRE 0x10
+#define W83C553F_ATSCR_P92E 0x04
+#define W83C553F_ATSCR_KRCEE 0x02
+#define W83C553F_ATSCR_KGA20EE 0x01
+
+#define W83C553F_PIR_BM 0x80
+#define W83C553F_PIR_P1PROG 0x08
+#define W83C553F_PIR_P1NL 0x04
+#define W83C553F_PIR_P0PROG 0x02
+#define W83C553F_PIR_P0NL 0x01
+
+/*
+ * Interrupt controller
+ */
+#define W83C553F_PIC1_ICW1 CONFIG_ISA_IO + 0x20
+#define W83C553F_PIC1_ICW2 CONFIG_ISA_IO + 0x21
+#define W83C553F_PIC1_ICW3 CONFIG_ISA_IO + 0x21
+#define W83C553F_PIC1_ICW4 CONFIG_ISA_IO + 0x21
+#define W83C553F_PIC1_OCW1 CONFIG_ISA_IO + 0x21
+#define W83C553F_PIC1_OCW2 CONFIG_ISA_IO + 0x20
+#define W83C553F_PIC1_OCW3 CONFIG_ISA_IO + 0x20
+#define W83C553F_PIC1_ELC CONFIG_ISA_IO + 0x4D0
+#define W83C553F_PIC2_ICW1 CONFIG_ISA_IO + 0xA0
+#define W83C553F_PIC2_ICW2 CONFIG_ISA_IO + 0xA1
+#define W83C553F_PIC2_ICW3 CONFIG_ISA_IO + 0xA1
+#define W83C553F_PIC2_ICW4 CONFIG_ISA_IO + 0xA1
+#define W83C553F_PIC2_OCW1 CONFIG_ISA_IO + 0xA1
+#define W83C553F_PIC2_OCW2 CONFIG_ISA_IO + 0xA0
+#define W83C553F_PIC2_OCW3 CONFIG_ISA_IO + 0xA0
+#define W83C553F_PIC2_ELC CONFIG_ISA_IO + 0x4D1
+
+#define W83C553F_TMR1_CMOD CONFIG_ISA_IO + 0x43
+
+/*
+ * DMA controller
+ */
+#define W83C553F_DMA1 CONFIG_ISA_IO + 0x000 /* channel 0 - 3 */
+#define W83C553F_DMA2 CONFIG_ISA_IO + 0x0C0 /* channel 4 - 7 */
+
+/* command/status register bit definitions */
+
+#define W83C553F_CS_COM_DACKAL (1<<7) /* DACK# assert level */
+#define W83C553F_CS_COM_DREQSAL (1<<6) /* DREQ sense assert level */
+#define W83C553F_CS_COM_GAP (1<<4) /* group arbitration priority */
+#define W83C553F_CS_COM_CGE (1<<2) /* channel group enable */
+
+#define W83C553F_CS_STAT_CH0REQ (1<<4) /* channel 0 (4) DREQ status */
+#define W83C553F_CS_STAT_CH1REQ (1<<5) /* channel 1 (5) DREQ status */
+#define W83C553F_CS_STAT_CH2REQ (1<<6) /* channel 2 (6) DREQ status */
+#define W83C553F_CS_STAT_CH3REQ (1<<7) /* channel 3 (7) DREQ status */
+
+#define W83C553F_CS_STAT_CH0TC (1<<0) /* channel 0 (4) TC status */
+#define W83C553F_CS_STAT_CH1TC (1<<1) /* channel 1 (5) TC status */
+#define W83C553F_CS_STAT_CH2TC (1<<2) /* channel 2 (6) TC status */
+#define W83C553F_CS_STAT_CH3TC (1<<3) /* channel 3 (7) TC status */
+
+/* mode register bit definitions */
+
+#define W83C553F_MODE_TM_DEMAND (0<<6) /* transfer mode - demand */
+#define W83C553F_MODE_TM_SINGLE (1<<6) /* transfer mode - single */
+#define W83C553F_MODE_TM_BLOCK (2<<6) /* transfer mode - block */
+#define W83C553F_MODE_TM_CASCADE (3<<6) /* transfer mode - cascade */
+#define W83C553F_MODE_ADDRDEC (1<<5) /* address increment/decrement select */
+#define W83C553F_MODE_AUTOINIT (1<<4) /* autoinitialize enable */
+#define W83C553F_MODE_TT_VERIFY (0<<2) /* transfer type - verify */
+#define W83C553F_MODE_TT_WRITE (1<<2) /* transfer type - write */
+#define W83C553F_MODE_TT_READ (2<<2) /* transfer type - read */
+#define W83C553F_MODE_TT_ILLEGAL (3<<2) /* transfer type - illegal */
+#define W83C553F_MODE_CH0SEL (0<<0) /* channel 0 (4) select */
+#define W83C553F_MODE_CH1SEL (1<<0) /* channel 1 (5) select */
+#define W83C553F_MODE_CH2SEL (2<<0) /* channel 2 (6) select */
+#define W83C553F_MODE_CH3SEL (3<<0) /* channel 3 (7) select */
+
+/* request register bit definitions */
+
+#define W83C553F_REQ_CHSERREQ (1<<2) /* channel service request */
+#define W83C553F_REQ_CH0SEL (0<<0) /* channel 0 (4) select */
+#define W83C553F_REQ_CH1SEL (1<<0) /* channel 1 (5) select */
+#define W83C553F_REQ_CH2SEL (2<<0) /* channel 2 (6) select */
+#define W83C553F_REQ_CH3SEL (3<<0) /* channel 3 (7) select */
+
+/* write single mask bit register bit definitions */
+
+#define W83C553F_WSMB_CHMASKSEL (1<<2) /* channel mask select */
+#define W83C553F_WSMB_CH0SEL (0<<0) /* channel 0 (4) select */
+#define W83C553F_WSMB_CH1SEL (1<<0) /* channel 1 (5) select */
+#define W83C553F_WSMB_CH2SEL (2<<0) /* channel 2 (6) select */
+#define W83C553F_WSMB_CH3SEL (3<<0) /* channel 3 (7) select */
+
+/* read/write all mask bits register bit definitions */
+
+#define W83C553F_RWAMB_CH0MASK (1<<0) /* channel 0 (4) mask */
+#define W83C553F_RWAMB_CH1MASK (1<<1) /* channel 1 (5) mask */
+#define W83C553F_RWAMB_CH2MASK (1<<2) /* channel 2 (6) mask */
+#define W83C553F_RWAMB_CH3MASK (1<<3) /* channel 3 (7) mask */
+
+/* typedefs */
+
+#define W83C553F_DMA1_CS 0x8
+#define W83C553F_DMA1_WR 0x9
+#define W83C553F_DMA1_WSMB 0xA
+#define W83C553F_DMA1_WM 0xB
+#define W83C553F_DMA1_CBP 0xC
+#define W83C553F_DMA1_MC 0xD
+#define W83C553F_DMA1_CM 0xE
+#define W83C553F_DMA1_RWAMB 0xF
+
+#define W83C553F_DMA2_CS 0xD0
+#define W83C553F_DMA2_WR 0xD2
+#define W83C553F_DMA2_WSMB 0xD4
+#define W83C553F_DMA2_WM 0xD6
+#define W83C553F_DMA2_CBP 0xD8
+#define W83C553F_DMA2_MC 0xDA
+#define W83C553F_DMA2_CM 0xDC
+#define W83C553F_DMA2_RWAMB 0xDE
+
+void initialise_w83c553f(void);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 08:34:17 +0000