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
This commit is contained in:
Uwe Hermann 2007-11-04 04:04:01 +00:00
parent a29ec0633a
commit f7daa0bbaf
8 changed files with 124 additions and 115 deletions

View File

@ -52,6 +52,7 @@ struct southbridge_via_vt8237r_config {
int ide0_enable:1;
int ide1_enable:1;
/* 1 = 80-pin cable */
int ide0_80pin_cable:1;
int ide1_80pin_cable:1;

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@ -65,8 +65,7 @@ void dump_south(device_t dev)
for (i = 0; i < 256; i += 16) {
printk_debug("%02x: ", i);
for (j = 0; j < 16; j++) {
printk_debug("%02x ",
pci_read_config8(dev, i + j));
printk_debug("%02x ", pci_read_config8(dev, i + j));
}
printk_debug("\n");
}
@ -75,7 +74,7 @@ void dump_south(device_t dev)
static void vt8237r_enable(struct device *dev)
{
struct southbridge_via_vt8237r_config *sb =
(struct southbridge_via_vt8237r_config *) dev->chip_info;
(struct southbridge_via_vt8237r_config *)dev->chip_info;
pci_write_config8(dev, 0x50, sb->fn_ctrl_lo);
pci_write_config8(dev, 0x51, sb->fn_ctrl_hi);

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@ -20,43 +20,43 @@
#ifndef SOUTHBRIDGE_VIA_VT8237R_VT8237R_H
#define SOUTHBRIDGE_VIA_VT8237R_VT8237R_H
/* Static resources for the VT8237R southbridge. */
/* Static resources for the VT8237R southbridge */
#define VT8237R_APIC_ID 0x2
#define VT8237R_ACPI_IO_BASE 0x500
#define VT8237R_SMBUS_IO_BASE 0x400
#define VT8237R_APIC_ID 0x2
#define VT8237R_ACPI_IO_BASE 0x500
#define VT8237R_SMBUS_IO_BASE 0x400
/* 0x0 disabled, 0x2 reserved, 0xf = IRQ15 */
#define VT8237R_ACPI_IRQ 0x9
#define VT8237R_HPET_ADDR 0xfed00000ULL
#define VT8237R_APIC_BASE 0xfec00000ULL
#define VT8237R_ACPI_IRQ 0x9
#define VT8237R_HPET_ADDR 0xfed00000ULL
#define VT8237R_APIC_BASE 0xfec00000ULL
/* IDE specific defines */
#define IDE_CS 0x40
#define IDE_CONF_I 0x41
#define IDE_CONF_II 0x42
#define IDE_CONF_FIFO 0x43
#define IDE_MISC_I 0x44
#define IDE_MISC_II 0x45
#define IDE_UDMA 0x50
/* IDE */
#define IDE_CS 0x40
#define IDE_CONF_I 0x41
#define IDE_CONF_II 0x42
#define IDE_CONF_FIFO 0x43
#define IDE_MISC_I 0x44
#define IDE_MISC_II 0x45
#define IDE_UDMA 0x50
/* SMBus specific */
/* SMBus */
#define VT8237R_POWER_WELL 0x94
#define VT8237R_SMBUS_IO_BASE_REG 0xd0
#define VT8237R_SMBUS_HOST_CONF 0xd2
#define SMBHSTSTAT (VT8237R_SMBUS_IO_BASE + 0x0)
#define SMBSLVSTAT (VT8237R_SMBUS_IO_BASE + 0x1)
#define SMBHSTCTL (VT8237R_SMBUS_IO_BASE + 0x2)
#define SMBHSTCMD (VT8237R_SMBUS_IO_BASE + 0x3)
#define SMBXMITADD (VT8237R_SMBUS_IO_BASE + 0x4)
#define SMBHSTDAT0 (VT8237R_SMBUS_IO_BASE + 0x5)
#define SMBHSTSTAT (VT8237R_SMBUS_IO_BASE + 0x0)
#define SMBSLVSTAT (VT8237R_SMBUS_IO_BASE + 0x1)
#define SMBHSTCTL (VT8237R_SMBUS_IO_BASE + 0x2)
#define SMBHSTCMD (VT8237R_SMBUS_IO_BASE + 0x3)
#define SMBXMITADD (VT8237R_SMBUS_IO_BASE + 0x4)
#define SMBHSTDAT0 (VT8237R_SMBUS_IO_BASE + 0x5)
#define HOST_RESET 0xff
#define HOST_RESET 0xff
/* 1 in the 0 bit of SMBHSTADD states to READ. */
#define READ_CMD 0x01
#define SMBUS_TIMEOUT (100 * 1000 * 10)
#define I2C_TRANS_CMD 0x40
#define CLOCK_SLAVE_ADDRESS 0x69
#define READ_CMD 0x01
#define SMBUS_TIMEOUT (100 * 1000 * 10)
#define I2C_TRANS_CMD 0x40
#define CLOCK_SLAVE_ADDRESS 0x69
#if DEBUG_SMBUS == 1
#define PRINT_DEBUG(x) print_debug(x)

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@ -40,18 +40,18 @@ static void bridge_enable(struct device *dev)
dump_south(dev);
}
static struct device_operations bridge_ops = {
.read_resources = pci_bus_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_bus_enable_resources,
.enable = bridge_enable,
.scan_bus = pci_scan_bridge,
.reset_bus = pci_bus_reset,
.ops_pci = 0,
static const struct device_operations bridge_ops = {
.read_resources = pci_bus_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_bus_enable_resources,
.enable = bridge_enable,
.scan_bus = pci_scan_bridge,
.reset_bus = pci_bus_reset,
.ops_pci = 0,
};
static struct pci_driver northbridge_driver __pci_driver = {
.ops = &bridge_ops,
.vendor = PCI_VENDOR_ID_VIA,
.device = PCI_DEVICE_ID_VIA_K8T890CE_BR,
static const struct pci_driver northbridge_driver __pci_driver = {
.ops = &bridge_ops,
.vendor = PCI_VENDOR_ID_VIA,
.device = PCI_DEVICE_ID_VIA_K8T890CE_BR,
};

View File

@ -26,15 +26,15 @@
/**
* Print an error, should it occur. If no error, just exit.
*
* @param host_status The data returned on the host status register after a
* transaction is processed.
* @param host_status The data returned on the host status register after
* a transaction is processed.
* @param loops The number of times a transaction was attempted.
*/
static void smbus_print_error(u8 host_status, int loops)
{
/* Check if there actually was an error. */
if ((host_status == 0x00 || host_status == 0x40 ||
host_status == 0x42) && (loops < SMBUS_TIMEOUT))
host_status == 0x42) && (loops < SMBUS_TIMEOUT))
return;
if (loops >= SMBUS_TIMEOUT)
@ -46,13 +46,13 @@ static void smbus_print_error(u8 host_status, int loops)
if (host_status & (1 << 2))
print_err("Device error\r\n");
if (host_status & (1 << 1))
print_debug("Interrupt/SMI# Completed Successfully\r\n");
print_debug("Interrupt/SMI# completed successfully\r\n");
if (host_status & (1 << 0))
print_err("Host busy\r\n");
}
/**
* Wait for the smbus to become ready to process the next transaction
* Wait for the SMBus to become ready to process the next transaction.
*/
static void smbus_wait_until_ready(void)
{
@ -64,15 +64,17 @@ static void smbus_wait_until_ready(void)
/* Yes, this is a mess, but it's the easiest way to do it. */
while ((inb(SMBHSTSTAT) & 1) == 1 && loops < SMBUS_TIMEOUT)
++loops;
smbus_print_error(inb(SMBHSTSTAT), loops);
}
/**
* Reset and take ownership of the smbus
* Reset and take ownership of the SMBus.
*/
static void smbus_reset(void)
{
outb(HOST_RESET, SMBHSTSTAT);
/* Datasheet says we have to read it to take ownership of SMBus. */
inb(SMBHSTSTAT);
@ -82,10 +84,10 @@ static void smbus_reset(void)
}
/**
* Read a byte from the smbus
* Read a byte from the SMBus.
*
* @param dimm The address location of the dimm on the smbus
* @param offset The offset the data is located at
* @param dimm The address location of the DIMM on the SMBus.
* @param offset The offset the data is located at.
*/
u8 smbus_read_byte(u8 dimm, u8 offset)
{
@ -98,6 +100,7 @@ u8 smbus_read_byte(u8 dimm, u8 offset)
PRINT_DEBUG("\r\n");
smbus_reset();
/* Clear host data port. */
outb(0x00, SMBHSTDAT0);
SMBUS_DELAY();
@ -108,11 +111,10 @@ u8 smbus_read_byte(u8 dimm, u8 offset)
dimm |= 1;
outb(dimm, SMBXMITADD);
outb(offset, SMBHSTCMD);
/* Start transaction, byte data read. */
outb(0x48, SMBHSTCTL);
SMBUS_DELAY();
smbus_wait_until_ready();
val = inb(SMBHSTDAT0);
@ -138,18 +140,18 @@ void enable_smbus(void)
PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
if (dev == PCI_DEV_INVALID)
die("Power Management Controller not found\r\n");
die("Power management controller not found\r\n");
/* 7 = SMBus Clock from RTC 32.768KHz
* 5 = Internal PLL reset from susp
*/
pci_write_config8(dev, VT8237R_POWER_WELL, 0xa0);
/* Enable SMBus */
/* Enable SMBus. */
pci_write_config16(dev, VT8237R_SMBUS_IO_BASE_REG,
VT8237R_SMBUS_IO_BASE | 0x1);
VT8237R_SMBUS_IO_BASE | 0x1);
/* SMBus Host Configuration, enable */
/* SMBus Host Configuration, enable. */
pci_write_config8(dev, VT8237R_SMBUS_HOST_CONF, 0x01);
/* Make it work for I/O. */
@ -162,17 +164,17 @@ void enable_smbus(void)
}
/**
* A fixup for some systems that need time for the smbus to "warm up". This is
* needed on some vt823x based systems, where the smbus spurts out bad data for
* a short time after power on. This has been seen on the Via Epia-series and
* A fixup for some systems that need time for the SMBus to "warm up". This is
* needed on some VT823x based systems, where the SMBus spurts out bad data for
* a short time after power on. This has been seen on the VIA Epia series and
* Jetway J7F2-series. It reads the ID byte from SMBus, looking for
* known-good data from a slot/address. Exits on either good data or a timeout.
*
* This should probably go into some global file, but one would need to be
* created just for it. If some other chip needs/wants it, we can worry about it
* then.
* TODO: This should probably go into some global file, but one would need to
* be created just for it. If some other chip needs/wants it, we can
* worry about it then.
*
* @param ctrl The memory controller and smbus addresses
* @param ctrl The memory controller and SMBus addresses.
*/
void smbus_fixup(const struct mem_controller *ctrl)
{
@ -181,24 +183,31 @@ void smbus_fixup(const struct mem_controller *ctrl)
ram_slots = ARRAY_SIZE(ctrl->channel0);
if (!ram_slots) {
print_err("smbus_fixup thinks there are no ram slots!\r\n");
print_err("smbus_fixup() thinks there are no RAM slots!\r\n");
return;
}
PRINT_DEBUG("Waiting for smbus to warm up");
PRINT_DEBUG("Waiting for SMBus to warm up");
/*
* Bad SPD data should be either 0 or 0xff, but YMMV. So we look for
* the ID bytes of SDRAM, DDR, DDR2, and DDR3 (and anything in between).
* VT8237R has only been seen on DDR and DDR2 based systems, so far.
*/
for (i = 0; (i < SMBUS_TIMEOUT && ((result < SPD_MEMORY_TYPE_SDRAM) ||
(result > SPD_MEMORY_TYPE_SDRAM_DDR3))); i++) {
if (current_slot > ram_slots)
current_slot = 0;
/* Bad SPD data should be either 0 or 0xff, but YMMV. So we look for the
* ID bytes of SDRAM, DDR, DDR2, and DDR3 (and anything in between).
* vt8237r has only been seen on DDR and DDR2 based systems, so far */
for(i = 0; (i < SMBUS_TIMEOUT && ((result < SPD_MEMORY_TYPE_SDRAM) ||
(result > SPD_MEMORY_TYPE_SDRAM_DDR3))); i++)
{
if (current_slot > ram_slots) current_slot = 0;
result = smbus_read_byte(ctrl->channel0[current_slot],
SPD_MEMORY_TYPE);
SPD_MEMORY_TYPE);
current_slot++;
PRINT_DEBUG(".");
}
if (i >= SMBUS_TIMEOUT) print_err("SMBus timed out while warming up\r\n");
else PRINT_DEBUG("Done\r\n");
if (i >= SMBUS_TIMEOUT)
print_err("SMBus timed out while warming up\r\n");
else
PRINT_DEBUG("Done\r\n");
}

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@ -34,7 +34,7 @@
static void ide_init(struct device *dev)
{
struct southbridge_via_vt8237r_config *sb =
(struct southbridge_via_vt8237r_config *) dev->chip_info;
(struct southbridge_via_vt8237r_config *)dev->chip_info;
u8 enables;
u32 cablesel;
@ -52,7 +52,7 @@ static void ide_init(struct device *dev)
/* Enable only compatibility mode. */
enables = pci_read_config8(dev, IDE_CONF_II);
enables &= ~0xc0;
pci_write_config8(dev,IDE_CONF_II, enables);
pci_write_config8(dev, IDE_CONF_II, enables);
enables = pci_read_config8(dev, IDE_CONF_II);
printk_debug("Enables in reg 0x42 read back as 0x%x\n", enables);
@ -84,7 +84,7 @@ static void ide_init(struct device *dev)
/* Cable guy... */
cablesel = pci_read_config32(dev, IDE_UDMA);
cablesel &= ~((1 << 28) | (1 << 20) | (1 <<12) | (1 << 4));
cablesel &= ~((1 << 28) | (1 << 20) | (1 << 12) | (1 << 4));
cablesel |= (sb->ide0_80pin_cable << 28) |
(sb->ide0_80pin_cable << 20) |
(sb->ide1_80pin_cable << 12) |
@ -92,17 +92,17 @@ static void ide_init(struct device *dev)
pci_write_config32(dev, IDE_UDMA, cablesel);
}
static struct device_operations ide_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = ide_init,
.enable = 0,
.ops_pci = 0,
static const struct device_operations ide_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = ide_init,
.enable = 0,
.ops_pci = 0,
};
static struct pci_driver northbridge_driver __pci_driver = {
.ops = &ide_ops,
.vendor = PCI_VENDOR_ID_VIA,
.device = PCI_DEVICE_ID_VIA_82C586_1,
static const struct pci_driver northbridge_driver __pci_driver = {
.ops = &ide_ops,
.vendor = PCI_VENDOR_ID_VIA,
.device = PCI_DEVICE_ID_VIA_82C586_1,
};

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@ -90,7 +90,7 @@ static void setup_ioapic(u32 ioapic_base)
/* All delivered to CPU0. */
ioapic_table[0].value_high = (lapicid()) << (56 - 32);
l = (unsigned long *) ioapic_base;
l = (unsigned long *)ioapic_base;
/* Set APIC to FSB message bus. */
l[0] = 0x3;
@ -335,16 +335,16 @@ static void southbridge_init(struct device *dev)
init_keyboard(dev);
}
static struct device_operations vt8237r_lpc_ops = {
.read_resources = vt8237r_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = vt8237r_enable_resources,
.init = &southbridge_init,
.scan_bus = scan_static_bus,
static const struct device_operations vt8237r_lpc_ops = {
.read_resources = vt8237r_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = vt8237r_enable_resources,
.init = &southbridge_init,
.scan_bus = scan_static_bus,
};
static struct pci_driver lpc_driver __pci_driver = {
.ops = &vt8237r_lpc_ops,
.vendor = PCI_VENDOR_ID_VIA,
.device = PCI_DEVICE_ID_VIA_VT8237R_LPC,
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,
};

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@ -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,
};