Various cosmetics, coding style fixes, constifications (trivial).
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2939 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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@ -52,6 +52,7 @@ struct southbridge_via_vt8237r_config {
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int ide0_enable:1;
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int ide1_enable:1;
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/* 1 = 80-pin cable */
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int ide0_80pin_cable:1;
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int ide1_80pin_cable:1;
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@ -65,8 +65,7 @@ void dump_south(device_t dev)
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for (i = 0; i < 256; i += 16) {
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printk_debug("%02x: ", i);
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for (j = 0; j < 16; j++) {
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printk_debug("%02x ",
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pci_read_config8(dev, i + j));
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printk_debug("%02x ", pci_read_config8(dev, i + j));
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}
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printk_debug("\n");
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}
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@ -75,7 +74,7 @@ void dump_south(device_t dev)
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static void vt8237r_enable(struct device *dev)
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{
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struct southbridge_via_vt8237r_config *sb =
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(struct southbridge_via_vt8237r_config *) dev->chip_info;
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(struct southbridge_via_vt8237r_config *)dev->chip_info;
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pci_write_config8(dev, 0x50, sb->fn_ctrl_lo);
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pci_write_config8(dev, 0x51, sb->fn_ctrl_hi);
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@ -20,43 +20,43 @@
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#ifndef SOUTHBRIDGE_VIA_VT8237R_VT8237R_H
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#define SOUTHBRIDGE_VIA_VT8237R_VT8237R_H
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/* Static resources for the VT8237R southbridge. */
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/* Static resources for the VT8237R southbridge */
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#define VT8237R_APIC_ID 0x2
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#define VT8237R_ACPI_IO_BASE 0x500
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#define VT8237R_SMBUS_IO_BASE 0x400
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#define VT8237R_APIC_ID 0x2
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#define VT8237R_ACPI_IO_BASE 0x500
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#define VT8237R_SMBUS_IO_BASE 0x400
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/* 0x0 disabled, 0x2 reserved, 0xf = IRQ15 */
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#define VT8237R_ACPI_IRQ 0x9
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#define VT8237R_HPET_ADDR 0xfed00000ULL
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#define VT8237R_APIC_BASE 0xfec00000ULL
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#define VT8237R_ACPI_IRQ 0x9
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#define VT8237R_HPET_ADDR 0xfed00000ULL
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#define VT8237R_APIC_BASE 0xfec00000ULL
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/* IDE specific defines */
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#define IDE_CS 0x40
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#define IDE_CONF_I 0x41
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#define IDE_CONF_II 0x42
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#define IDE_CONF_FIFO 0x43
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#define IDE_MISC_I 0x44
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#define IDE_MISC_II 0x45
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#define IDE_UDMA 0x50
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/* IDE */
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#define IDE_CS 0x40
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#define IDE_CONF_I 0x41
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#define IDE_CONF_II 0x42
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#define IDE_CONF_FIFO 0x43
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#define IDE_MISC_I 0x44
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#define IDE_MISC_II 0x45
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#define IDE_UDMA 0x50
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/* SMBus specific */
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/* SMBus */
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#define VT8237R_POWER_WELL 0x94
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#define VT8237R_SMBUS_IO_BASE_REG 0xd0
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#define VT8237R_SMBUS_HOST_CONF 0xd2
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#define SMBHSTSTAT (VT8237R_SMBUS_IO_BASE + 0x0)
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#define SMBSLVSTAT (VT8237R_SMBUS_IO_BASE + 0x1)
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#define SMBHSTCTL (VT8237R_SMBUS_IO_BASE + 0x2)
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#define SMBHSTCMD (VT8237R_SMBUS_IO_BASE + 0x3)
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#define SMBXMITADD (VT8237R_SMBUS_IO_BASE + 0x4)
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#define SMBHSTDAT0 (VT8237R_SMBUS_IO_BASE + 0x5)
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#define SMBHSTSTAT (VT8237R_SMBUS_IO_BASE + 0x0)
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#define SMBSLVSTAT (VT8237R_SMBUS_IO_BASE + 0x1)
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#define SMBHSTCTL (VT8237R_SMBUS_IO_BASE + 0x2)
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#define SMBHSTCMD (VT8237R_SMBUS_IO_BASE + 0x3)
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#define SMBXMITADD (VT8237R_SMBUS_IO_BASE + 0x4)
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#define SMBHSTDAT0 (VT8237R_SMBUS_IO_BASE + 0x5)
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#define HOST_RESET 0xff
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#define HOST_RESET 0xff
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/* 1 in the 0 bit of SMBHSTADD states to READ. */
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#define READ_CMD 0x01
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#define SMBUS_TIMEOUT (100 * 1000 * 10)
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#define I2C_TRANS_CMD 0x40
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#define CLOCK_SLAVE_ADDRESS 0x69
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#define READ_CMD 0x01
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#define SMBUS_TIMEOUT (100 * 1000 * 10)
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#define I2C_TRANS_CMD 0x40
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#define CLOCK_SLAVE_ADDRESS 0x69
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#if DEBUG_SMBUS == 1
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#define PRINT_DEBUG(x) print_debug(x)
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@ -40,18 +40,18 @@ static void bridge_enable(struct device *dev)
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dump_south(dev);
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}
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static struct device_operations bridge_ops = {
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.read_resources = pci_bus_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_bus_enable_resources,
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.enable = bridge_enable,
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.scan_bus = pci_scan_bridge,
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.reset_bus = pci_bus_reset,
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.ops_pci = 0,
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static const struct device_operations bridge_ops = {
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.read_resources = pci_bus_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_bus_enable_resources,
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.enable = bridge_enable,
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.scan_bus = pci_scan_bridge,
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.reset_bus = pci_bus_reset,
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.ops_pci = 0,
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};
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static struct pci_driver northbridge_driver __pci_driver = {
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.ops = &bridge_ops,
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.vendor = PCI_VENDOR_ID_VIA,
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.device = PCI_DEVICE_ID_VIA_K8T890CE_BR,
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static const struct pci_driver northbridge_driver __pci_driver = {
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.ops = &bridge_ops,
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.vendor = PCI_VENDOR_ID_VIA,
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.device = PCI_DEVICE_ID_VIA_K8T890CE_BR,
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};
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@ -26,15 +26,15 @@
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/**
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* Print an error, should it occur. If no error, just exit.
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*
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* @param host_status The data returned on the host status register after a
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* transaction is processed.
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* @param host_status The data returned on the host status register after
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* a transaction is processed.
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* @param loops The number of times a transaction was attempted.
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*/
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static void smbus_print_error(u8 host_status, int loops)
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{
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/* Check if there actually was an error. */
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if ((host_status == 0x00 || host_status == 0x40 ||
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host_status == 0x42) && (loops < SMBUS_TIMEOUT))
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host_status == 0x42) && (loops < SMBUS_TIMEOUT))
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return;
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if (loops >= SMBUS_TIMEOUT)
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@ -46,13 +46,13 @@ static void smbus_print_error(u8 host_status, int loops)
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if (host_status & (1 << 2))
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print_err("Device error\r\n");
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if (host_status & (1 << 1))
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print_debug("Interrupt/SMI# Completed Successfully\r\n");
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print_debug("Interrupt/SMI# completed successfully\r\n");
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if (host_status & (1 << 0))
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print_err("Host busy\r\n");
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}
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/**
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* Wait for the smbus to become ready to process the next transaction
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* Wait for the SMBus to become ready to process the next transaction.
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*/
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static void smbus_wait_until_ready(void)
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{
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@ -64,15 +64,17 @@ static void smbus_wait_until_ready(void)
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/* Yes, this is a mess, but it's the easiest way to do it. */
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while ((inb(SMBHSTSTAT) & 1) == 1 && loops < SMBUS_TIMEOUT)
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++loops;
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smbus_print_error(inb(SMBHSTSTAT), loops);
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}
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/**
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* Reset and take ownership of the smbus
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* Reset and take ownership of the SMBus.
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*/
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static void smbus_reset(void)
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{
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outb(HOST_RESET, SMBHSTSTAT);
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/* Datasheet says we have to read it to take ownership of SMBus. */
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inb(SMBHSTSTAT);
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@ -82,10 +84,10 @@ static void smbus_reset(void)
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}
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/**
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* Read a byte from the smbus
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* Read a byte from the SMBus.
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*
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* @param dimm The address location of the dimm on the smbus
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* @param offset The offset the data is located at
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* @param dimm The address location of the DIMM on the SMBus.
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* @param offset The offset the data is located at.
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*/
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u8 smbus_read_byte(u8 dimm, u8 offset)
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{
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@ -98,6 +100,7 @@ u8 smbus_read_byte(u8 dimm, u8 offset)
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PRINT_DEBUG("\r\n");
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smbus_reset();
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/* Clear host data port. */
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outb(0x00, SMBHSTDAT0);
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SMBUS_DELAY();
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@ -108,11 +111,10 @@ u8 smbus_read_byte(u8 dimm, u8 offset)
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dimm |= 1;
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outb(dimm, SMBXMITADD);
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outb(offset, SMBHSTCMD);
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/* Start transaction, byte data read. */
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outb(0x48, SMBHSTCTL);
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SMBUS_DELAY();
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smbus_wait_until_ready();
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val = inb(SMBHSTDAT0);
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@ -138,18 +140,18 @@ void enable_smbus(void)
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PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
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if (dev == PCI_DEV_INVALID)
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die("Power Management Controller not found\r\n");
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die("Power management controller not found\r\n");
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/* 7 = SMBus Clock from RTC 32.768KHz
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* 5 = Internal PLL reset from susp
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*/
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pci_write_config8(dev, VT8237R_POWER_WELL, 0xa0);
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/* Enable SMBus */
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/* Enable SMBus. */
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pci_write_config16(dev, VT8237R_SMBUS_IO_BASE_REG,
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VT8237R_SMBUS_IO_BASE | 0x1);
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VT8237R_SMBUS_IO_BASE | 0x1);
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/* SMBus Host Configuration, enable */
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/* SMBus Host Configuration, enable. */
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pci_write_config8(dev, VT8237R_SMBUS_HOST_CONF, 0x01);
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/* Make it work for I/O. */
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@ -162,17 +164,17 @@ void enable_smbus(void)
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}
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/**
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* A fixup for some systems that need time for the smbus to "warm up". This is
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* needed on some vt823x based systems, where the smbus spurts out bad data for
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* a short time after power on. This has been seen on the Via Epia-series and
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* A fixup for some systems that need time for the SMBus to "warm up". This is
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* needed on some VT823x based systems, where the SMBus spurts out bad data for
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* a short time after power on. This has been seen on the VIA Epia series and
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* Jetway J7F2-series. It reads the ID byte from SMBus, looking for
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* known-good data from a slot/address. Exits on either good data or a timeout.
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*
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* This should probably go into some global file, but one would need to be
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* created just for it. If some other chip needs/wants it, we can worry about it
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* then.
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* TODO: This should probably go into some global file, but one would need to
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* be created just for it. If some other chip needs/wants it, we can
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* worry about it then.
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*
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* @param ctrl The memory controller and smbus addresses
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* @param ctrl The memory controller and SMBus addresses.
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*/
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void smbus_fixup(const struct mem_controller *ctrl)
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{
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@ -181,24 +183,31 @@ void smbus_fixup(const struct mem_controller *ctrl)
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ram_slots = ARRAY_SIZE(ctrl->channel0);
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if (!ram_slots) {
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print_err("smbus_fixup thinks there are no ram slots!\r\n");
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print_err("smbus_fixup() thinks there are no RAM slots!\r\n");
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return;
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}
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PRINT_DEBUG("Waiting for smbus to warm up");
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/* Bad SPD data should be either 0 or 0xff, but YMMV. So we look for the
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* ID bytes of SDRAM, DDR, DDR2, and DDR3 (and anything in between).
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* vt8237r has only been seen on DDR and DDR2 based systems, so far */
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for(i = 0; (i < SMBUS_TIMEOUT && ((result < SPD_MEMORY_TYPE_SDRAM) ||
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(result > SPD_MEMORY_TYPE_SDRAM_DDR3))); i++)
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{
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if (current_slot > ram_slots) current_slot = 0;
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result = smbus_read_byte(ctrl->channel0[current_slot],
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SPD_MEMORY_TYPE);
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PRINT_DEBUG("Waiting for SMBus to warm up");
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/*
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* Bad SPD data should be either 0 or 0xff, but YMMV. So we look for
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* the ID bytes of SDRAM, DDR, DDR2, and DDR3 (and anything in between).
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* VT8237R has only been seen on DDR and DDR2 based systems, so far.
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*/
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for (i = 0; (i < SMBUS_TIMEOUT && ((result < SPD_MEMORY_TYPE_SDRAM) ||
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(result > SPD_MEMORY_TYPE_SDRAM_DDR3))); i++) {
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if (current_slot > ram_slots)
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current_slot = 0;
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result = smbus_read_byte(ctrl->channel0[current_slot],
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SPD_MEMORY_TYPE);
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current_slot++;
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PRINT_DEBUG(".");
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}
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if (i >= SMBUS_TIMEOUT) print_err("SMBus timed out while warming up\r\n");
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else PRINT_DEBUG("Done\r\n");
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if (i >= SMBUS_TIMEOUT)
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print_err("SMBus timed out while warming up\r\n");
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else
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PRINT_DEBUG("Done\r\n");
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}
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@ -34,7 +34,7 @@
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static void ide_init(struct device *dev)
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{
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struct southbridge_via_vt8237r_config *sb =
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(struct southbridge_via_vt8237r_config *) dev->chip_info;
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(struct southbridge_via_vt8237r_config *)dev->chip_info;
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u8 enables;
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u32 cablesel;
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@ -52,7 +52,7 @@ static void ide_init(struct device *dev)
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/* Enable only compatibility mode. */
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enables = pci_read_config8(dev, IDE_CONF_II);
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enables &= ~0xc0;
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pci_write_config8(dev,IDE_CONF_II, enables);
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pci_write_config8(dev, IDE_CONF_II, enables);
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enables = pci_read_config8(dev, IDE_CONF_II);
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printk_debug("Enables in reg 0x42 read back as 0x%x\n", enables);
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@ -84,7 +84,7 @@ static void ide_init(struct device *dev)
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/* Cable guy... */
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cablesel = pci_read_config32(dev, IDE_UDMA);
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cablesel &= ~((1 << 28) | (1 << 20) | (1 <<12) | (1 << 4));
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cablesel &= ~((1 << 28) | (1 << 20) | (1 << 12) | (1 << 4));
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cablesel |= (sb->ide0_80pin_cable << 28) |
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(sb->ide0_80pin_cable << 20) |
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(sb->ide1_80pin_cable << 12) |
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@ -92,17 +92,17 @@ static void ide_init(struct device *dev)
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pci_write_config32(dev, IDE_UDMA, cablesel);
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}
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static struct device_operations ide_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = ide_init,
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.enable = 0,
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.ops_pci = 0,
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static const struct device_operations ide_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = ide_init,
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.enable = 0,
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.ops_pci = 0,
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};
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static struct pci_driver northbridge_driver __pci_driver = {
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.ops = &ide_ops,
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.vendor = PCI_VENDOR_ID_VIA,
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.device = PCI_DEVICE_ID_VIA_82C586_1,
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static const struct pci_driver northbridge_driver __pci_driver = {
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.ops = &ide_ops,
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.vendor = PCI_VENDOR_ID_VIA,
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.device = PCI_DEVICE_ID_VIA_82C586_1,
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};
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@ -90,7 +90,7 @@ static void setup_ioapic(u32 ioapic_base)
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/* All delivered to CPU0. */
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ioapic_table[0].value_high = (lapicid()) << (56 - 32);
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l = (unsigned long *) ioapic_base;
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l = (unsigned long *)ioapic_base;
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/* Set APIC to FSB message bus. */
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l[0] = 0x3;
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@ -335,16 +335,16 @@ static void southbridge_init(struct device *dev)
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init_keyboard(dev);
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}
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static struct device_operations vt8237r_lpc_ops = {
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.read_resources = vt8237r_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = vt8237r_enable_resources,
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.init = &southbridge_init,
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.scan_bus = scan_static_bus,
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static const struct device_operations vt8237r_lpc_ops = {
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.read_resources = vt8237r_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = vt8237r_enable_resources,
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.init = &southbridge_init,
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.scan_bus = scan_static_bus,
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};
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static struct pci_driver lpc_driver __pci_driver = {
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.ops = &vt8237r_lpc_ops,
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.vendor = PCI_VENDOR_ID_VIA,
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.device = PCI_DEVICE_ID_VIA_VT8237R_LPC,
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static const struct pci_driver lpc_driver __pci_driver = {
|
||||
.ops = &vt8237r_lpc_ops,
|
||||
.vendor = PCI_VENDOR_ID_VIA,
|
||||
.device = PCI_DEVICE_ID_VIA_VT8237R_LPC,
|
||||
};
|
||||
|
|
|
@ -42,17 +42,17 @@ static void sata_init(struct device *dev)
|
|||
pci_write_config8(dev, SATA_MISC_CTRL, reg);
|
||||
}
|
||||
|
||||
static struct device_operations sata_ops = {
|
||||
.read_resources = pci_dev_read_resources,
|
||||
.set_resources = pci_dev_set_resources,
|
||||
.enable_resources = pci_dev_enable_resources,
|
||||
.init = sata_init,
|
||||
.enable = 0,
|
||||
.ops_pci = 0,
|
||||
static const struct device_operations sata_ops = {
|
||||
.read_resources = pci_dev_read_resources,
|
||||
.set_resources = pci_dev_set_resources,
|
||||
.enable_resources = pci_dev_enable_resources,
|
||||
.init = sata_init,
|
||||
.enable = 0,
|
||||
.ops_pci = 0,
|
||||
};
|
||||
|
||||
static struct pci_driver northbridge_driver __pci_driver = {
|
||||
.ops = &sata_ops,
|
||||
.vendor = PCI_VENDOR_ID_VIA,
|
||||
.device = PCI_DEVICE_ID_VIA_VT6420_SATA,
|
||||
static const struct pci_driver northbridge_driver __pci_driver = {
|
||||
.ops = &sata_ops,
|
||||
.vendor = PCI_VENDOR_ID_VIA,
|
||||
.device = PCI_DEVICE_ID_VIA_VT6420_SATA,
|
||||
};
|
||||
|
|
Loading…
Reference in New Issue