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authorEric Biederman <ebiederm@xmission.com>2003-05-19 19:16:21 +0000
committerEric Biederman <ebiederm@xmission.com>2003-05-19 19:16:21 +0000
commit526855741b6abb970024366316b941fb6b3d2cb6 (patch)
tree7da1560ec08c513a23b23704cae3637925e5bd68 /src/southbridge/amd
parent49cf5967ce31af37e61d59a00939f50bc4256761 (diff)
downloadcoreboot-526855741b6abb970024366316b941fb6b3d2cb6.tar.xz
- Cleanups on the romcc side including a pci interface that uses
fewer registers, and is easier to hardcode. git-svn-id: svn://svn.coreboot.org/coreboot/trunk@838 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/amd')
-rw-r--r--src/southbridge/amd/amd8111/amd8111_acpi.c53
-rw-r--r--src/southbridge/amd/amd8111/amd8111_ide.c65
-rw-r--r--src/southbridge/amd/amd8111/amd8111_lpc.c130
-rw-r--r--src/southbridge/amd/amd8111/amd8111_smbus.c96
-rw-r--r--src/southbridge/amd/amd8111/amd8111_usb.c34
5 files changed, 378 insertions, 0 deletions
diff --git a/src/southbridge/amd/amd8111/amd8111_acpi.c b/src/southbridge/amd/amd8111/amd8111_acpi.c
new file mode 100644
index 0000000000..120e0ee426
--- /dev/null
+++ b/src/southbridge/amd/amd8111/amd8111_acpi.c
@@ -0,0 +1,53 @@
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+
+static void acpi_init(struct device *dev)
+{
+ uint8_t byte;
+ uint16_t word;
+
+#if 0
+ printk_debug("ACPI: disabling NMI watchdog.. ");
+ pci_read_config_byte(dev, 0x49, &byte);
+ pci_write_config_byte(dev, 0x49, byte | (1<<2));
+
+
+ pci_read_config_byte(dev, 0x41, &byte);
+ pci_write_config_byte(dev, 0x41, byte | (1<<6)|(1<<2));
+
+ /* added from sourceforge */
+ pci_read_config_byte(dev, 0x48, &byte);
+ pci_write_config_byte(dev, 0x48, byte | (1<<3));
+
+ printk_debug("done.\n");
+
+
+ printk_debug("ACPI: Routing IRQ 12 to PS2 port.. ");
+ pci_read_config_word(dev, 0x46, &word);
+ pci_write_config_word(dev, 0x46, word | (1<<9));
+ printk_debug("done.\n");
+
+
+ printk_debug("ACPI: setting PM class code.. ");
+ pci_write_config_dword(dev, 0x60, 0x06800000);
+ printk_debug("done.\n");
+#endif
+
+}
+
+static struct device_operations acpi_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .init = acpi_init,
+ .scan_bus = 0,
+};
+
+static struct pci_driver acpi_driver __pci_driver = {
+ .ops = &acpi_ops,
+ .vendor = PCI_VENDOR_ID_AMD,
+ .device = PCI_DEVICE_ID_AMD_8111_ACPI,
+};
+
diff --git a/src/southbridge/amd/amd8111/amd8111_ide.c b/src/southbridge/amd/amd8111/amd8111_ide.c
new file mode 100644
index 0000000000..f351606989
--- /dev/null
+++ b/src/southbridge/amd/amd8111/amd8111_ide.c
@@ -0,0 +1,65 @@
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+
+static void ide_init(struct device *dev)
+{
+
+ /* Enable ide devices so the linux ide driver will work */
+ uint16_t word;
+ int enable_a=1, enable_b=1;
+
+
+ printk_debug("ide_init\n");
+
+ pci_read_config_word(dev, 0x40, &word);
+ /* Ensure prefetch is disabled */
+ word &= ~((1 << 15) | (1 << 13));
+ if (enable_b) {
+ /* Enable secondary ide interface */
+ word |= (1<<0);
+ printk_debug("IDE1 ");
+ }
+ if (enable_a) {
+ /* Enable primary ide interface */
+ word |= (1<<1);
+ printk_debug("IDE0 ");
+ }
+
+ word |= (1<<12);
+ word |= (1<<14);
+
+ pci_write_config_word(dev, 0x40, word);
+
+ word = 0x0f;
+ pci_write_config_word(dev, 0x42, word);
+
+ /* The AMD768 has a bug where the BM DMA address must be
+ * 256 byte aligned while it is only 16 bytes long.
+ * Hard code this to a valid address below 0x1000
+ * where automatic port address assignment starts.
+ * FIXME: I assume the 8111 does the same thing. We should
+ * clarify. stepan@suse.de
+ */
+ pci_write_config_dword(dev, 0x20, 0xf01);
+
+ pci_write_config_dword(dev, 0x48, 0x205e5e5e);
+ word = 0x06a;
+ pci_write_config_word(dev, 0x4c, word);
+}
+
+static struct device_operations ide_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .init = ide_init,
+ .scan_bus = 0,
+};
+
+static struct pci_driver ide_driver __pci_driver = {
+ .ops = &ide_ops,
+ .vendor = PCI_VENDOR_ID_AMD,
+ .device = PCI_DEVICE_ID_AMD_8111_IDE,
+};
+
diff --git a/src/southbridge/amd/amd8111/amd8111_lpc.c b/src/southbridge/amd/amd8111/amd8111_lpc.c
new file mode 100644
index 0000000000..d8b4ba1b77
--- /dev/null
+++ b/src/southbridge/amd/amd8111/amd8111_lpc.c
@@ -0,0 +1,130 @@
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+
+
+struct ioapicreg {
+ unsigned int reg;
+ unsigned int value_low, value_high;
+};
+
+static struct ioapicreg ioapicregvalues[] = {
+#define ALL (0xff << 24)
+#define NONE (0)
+#define DISABLED (1 << 16)
+#define ENABLED (0 << 16)
+#define TRIGGER_EDGE (0 << 15)
+#define TRIGGER_LEVEL (1 << 15)
+#define POLARITY_HIGH (0 << 13)
+#define POLARITY_LOW (1 << 13)
+#define PHYSICAL_DEST (0 << 11)
+#define LOGICAL_DEST (1 << 11)
+#define ExtINT (7 << 8)
+#define NMI (4 << 8)
+#define SMI (2 << 8)
+#define INT (1 << 8)
+ /* mask, trigger, polarity, destination, delivery, vector */
+ {0x00, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | ExtINT | 0, 0},
+ {0x01, DISABLED, NONE},
+ {0x02, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST | INT | 0, 0},
+ {0x03, DISABLED, NONE},
+ {0x04, DISABLED, NONE},
+ {0x05, DISABLED, NONE},
+ {0x06, DISABLED, NONE},
+ {0x07, DISABLED, NONE},
+ {0x08, DISABLED, NONE},
+ {0x09, DISABLED, NONE},
+ {0x0a, DISABLED, NONE},
+ {0x0b, DISABLED, NONE},
+ {0x0c, DISABLED, NONE},
+ {0x0d, DISABLED, NONE},
+ {0x0e, DISABLED, NONE},
+ {0x0f, DISABLED, NONE},
+ {0x10, DISABLED, NONE},
+ {0x11, DISABLED, NONE},
+ {0x12, DISABLED, NONE},
+ {0x13, DISABLED, NONE},
+ {0x14, DISABLED, NONE},
+ {0x14, DISABLED, NONE},
+ {0x15, DISABLED, NONE},
+ {0x16, DISABLED, NONE},
+ {0x17, DISABLED, NONE},
+ {0x18, DISABLED, NONE},
+ {0x19, DISABLED, NONE},
+ {0x20, DISABLED, NONE},
+ {0x21, DISABLED, NONE},
+ {0x22, DISABLED, NONE},
+ {0x23, DISABLED, NONE},
+};
+
+static void setup_ioapic(void)
+{
+ int i;
+ unsigned long value_low, value_high;
+ unsigned long ioapic_base = 0xfec00000;
+ volatile unsigned long *l;
+ struct ioapicreg *a = ioapicregvalues;
+
+ l = (unsigned long *) ioapic_base;
+ for (i = 0; i < sizeof(ioapicregvalues) / sizeof(ioapicregvalues[0]);
+ i++, a++) {
+ l[0] = (a->reg * 2) + 0x10;
+ l[4] = a->value_low;
+ value_low = l[4];
+ l[0] = (a->reg *2) + 0x11;
+ l[4] = a->value_high;
+ value_high = l[4];
+ if ((i==0) && (value_low == 0xffffffff)) {
+ printk_warning("IO APIC not responding.\n");
+ return;
+ }
+ printk_spew("for IRQ, reg 0x%08x value 0x%08x 0x%08x\n",
+ a->reg, a->value_low, a->value_high);
+ }
+}
+
+static void lpc_init(struct device *dev)
+{
+ uint8_t byte;
+ int pwr_on=-1;
+
+ printk_debug("lpc_init\n");
+
+#if 0
+ /* IO APIC initialization */
+ pci_read_config_byte(dev, 0x4B, &byte);
+ byte |= 1;
+ pci_write_config_byte(dev, 0x4B, byte);
+ setup_ioapic();
+#endif
+
+ /* posted memory write enable */
+ pci_read_config_byte(dev, 0x46, &byte);
+ pci_write_config_byte(dev, 0x46, byte | (1<<0));
+
+ /* power after power fail */
+ pci_read_config_byte(dev, 0x43, &byte);
+ if (pwr_on) {
+ byte &= ~(1<<6);
+ } else {
+ byte |= (1<<6);
+ }
+ pci_write_config_byte(dev, 0x43, byte);
+
+
+}
+
+static struct device_operations lpc_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .init = lpc_init,
+ .scan_bus = 0,
+};
+
+static struct pci_driver lpc_driver __pci_driver = {
+ .ops = &lpc_ops,
+ .vendor = PCI_VENDOR_ID_AMD,
+ .device = PCI_DEVICE_ID_AMD_8111_ISA,
+};
diff --git a/src/southbridge/amd/amd8111/amd8111_smbus.c b/src/southbridge/amd/amd8111/amd8111_smbus.c
new file mode 100644
index 0000000000..4b938d1eb7
--- /dev/null
+++ b/src/southbridge/amd/amd8111/amd8111_smbus.c
@@ -0,0 +1,96 @@
+#include <smbus.h>
+#include <pci.h>
+#include <arch/io.h>
+
+#define PM_BUS 0
+#define PM_DEVFN (AMD8111_DEVFN+3)
+
+#define SMBUS_IO_BASE 0x1000
+#define SMBHSTSTAT 0
+#define SMBHSTCTL 2
+#define SMBHSTCMD 3
+#define SMBHSTADD 4
+#define SMBHSTDAT0 5
+#define SMBHSTDAT1 6
+#define SMBBLKDAT 7
+
+void smbus_enable(void)
+{
+ unsigned char byte;
+#if 0
+ /* iobase addr */
+ pcibios_write_config_dword(PM_BUS, PM_DEVFN, 0x90, SMBUS_IO_BASE | 1);
+ /* smbus enable */
+ pcibios_write_config_byte(PM_BUS, PM_DEVFN, 0xd2, (0x4 << 1) | 1);
+ /* iospace enable */
+ pcibios_write_config_word(PM_BUS, PM_DEVFN, 0x4, 1);
+#endif
+ /* Set PMIOEN, leaving default address 0xDD00 in 0x58 */
+ byte=pcibios_read_config_byte(0,PCI_DEVFN(0x7,3), 0x41);
+ pcibios_write_config_byte(0,PCI_DEVFN(0x7,3), byte | 0x80 );
+
+
+ /* cont reading 207 */
+}
+
+void smbus_setup(void)
+{
+ outb(0, SMBUS_IO_BASE + SMBHSTSTAT);
+}
+
+static void smbus_wait_until_ready(void)
+{
+ while((inb(SMBUS_IO_BASE + SMBHSTSTAT) & 1) == 1) {
+ /* nop */
+ }
+}
+
+static void smbus_wait_until_done(void)
+{
+ unsigned char byte;
+ do {
+ byte = inb(SMBUS_IO_BASE + SMBHSTSTAT);
+ }
+ while((byte &1) == 1);
+ while( (byte & ~1) == 0) {
+ byte = inb(SMBUS_IO_BASE + SMBHSTSTAT);
+ }
+}
+
+int smbus_read_byte(unsigned device, unsigned address, unsigned char *result)
+{
+ unsigned char host_status_register;
+ unsigned char byte;
+
+ smbus_wait_until_ready();
+
+ /* setup transaction */
+ /* disable interrupts */
+ outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & (~1), SMBUS_IO_BASE + SMBHSTCTL);
+ /* set the device I'm talking too */
+ outb(((device & 0x7f) << 1) | 1, SMBUS_IO_BASE + SMBHSTADD);
+ /* set the command/address... */
+ outb(address & 0xFF, SMBUS_IO_BASE + SMBHSTCMD);
+ /* set up for a byte data read */
+ outb((inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xE3) | (0x2 << 2), SMBUS_IO_BASE + SMBHSTCTL);
+
+ /* clear any lingering errors, so the transaction will run */
+ outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
+
+ /* clear the data byte...*/
+ outb(0, SMBUS_IO_BASE + SMBHSTDAT0);
+
+ /* start the command */
+ outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), SMBUS_IO_BASE + SMBHSTCTL);
+
+ /* poll for transaction completion */
+ smbus_wait_until_done();
+
+ host_status_register = inb(SMBUS_IO_BASE + SMBHSTSTAT);
+
+ /* read results of transaction */
+ byte = inb(SMBUS_IO_BASE + SMBHSTDAT0);
+
+ *result = byte;
+ return host_status_register != 0x02;
+}
diff --git a/src/southbridge/amd/amd8111/amd8111_usb.c b/src/southbridge/amd/amd8111/amd8111_usb.c
new file mode 100644
index 0000000000..a6d3c4e9e1
--- /dev/null
+++ b/src/southbridge/amd/amd8111/amd8111_usb.c
@@ -0,0 +1,34 @@
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+
+static void usb_init(struct device *dev)
+{
+ uint32_t cmd;
+
+ printk_debug("USB: Setting up controller.. ");
+ pci_read_config_dword(dev, PCI_COMMAND, &cmd);
+ pci_write_config_dword(dev, PCI_COMMAND,
+ cmd | PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE);
+
+
+ printk_debug("done.\n");
+
+}
+
+static struct device_operations usb_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .init = usb_init,
+ .scan_bus = 0,
+};
+
+static struct pci_driver usb_driver __pci_driver = {
+ .ops = &usb_ops,
+ .vendor = PCI_VENDOR_ID_AMD,
+ .device = PCI_DEVICE_ID_AMD_8111_USB,
+};
+