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authorStefan Reinauer <stepan@coresystems.de>2010-07-08 16:41:05 +0000
committerStefan Reinauer <stepan@openbios.org>2010-07-08 16:41:05 +0000
commit6f57b514cb6e0598b295a3d8a4345dd42209e1e6 (patch)
treebb54404f902b1339bdba36523d4ba069628b5532 /src/southbridge/sis
parent817d7542f708215c4128b6cdc39ca7d7e1256b26 (diff)
Fix all warnings in the tree
(does not fix the cmos.layout race yet) Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Signed-off-by: Myles Watson <mylesgw@gmail.com> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5660 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/sis')
-rw-r--r--src/southbridge/sis/sis966/sis966_early_setup_car.c2
-rw-r--r--src/southbridge/sis/sis966/sis966_early_smbus.c172
-rw-r--r--src/southbridge/sis/sis966/sis966_smbus.h168
3 files changed, 177 insertions, 165 deletions
diff --git a/src/southbridge/sis/sis966/sis966_early_setup_car.c b/src/southbridge/sis/sis966/sis966_early_setup_car.c
index 2f7569ee3b..9de33137a7 100644
--- a/src/southbridge/sis/sis966/sis966_early_setup_car.c
+++ b/src/southbridge/sis/sis966/sis966_early_setup_car.c
@@ -21,7 +21,7 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-static void sis966_early_pcie_setup(unsigned busnx, unsigned devnx, unsigned anactrl_io_base, unsigned pci_e_x)
+void sis966_early_pcie_setup(unsigned busnx, unsigned devnx, unsigned anactrl_io_base, unsigned pci_e_x)
{
uint32_t tgio_ctrl;
uint32_t pll_ctrl;
diff --git a/src/southbridge/sis/sis966/sis966_early_smbus.c b/src/southbridge/sis/sis966/sis966_early_smbus.c
index 3d4954b64f..1c81bf16fd 100644
--- a/src/southbridge/sis/sis966/sis966_early_smbus.c
+++ b/src/southbridge/sis/sis966/sis966_early_smbus.c
@@ -23,6 +23,174 @@
#define SMBUS0_IO_BASE 0x8D0
+static inline void smbus_delay(void)
+{
+ outb(0x80, 0x80);
+}
+
+int smbus_wait_until_ready(unsigned smbus_io_base)
+{
+ unsigned long loops;
+ loops = SMBUS_TIMEOUT;
+ do {
+ unsigned char val;
+ smbus_delay();
+ val = inb(smbus_io_base + SMBHSTSTAT);
+ val &= 0x1f;
+ if (val == 0) {
+ return 0;
+ }
+ outb(val,smbus_io_base + SMBHSTSTAT);
+ } while(--loops);
+ return -2;
+}
+
+int smbus_wait_until_done(unsigned smbus_io_base)
+{
+ unsigned long loops;
+ loops = SMBUS_TIMEOUT;
+ do {
+ unsigned char val;
+ smbus_delay();
+
+ val = inb(smbus_io_base + 0x00);
+ if ( (val & 0xff) != 0x02) {
+ return 0;
+ }
+ } while(--loops);
+ return -3;
+}
+
+int do_smbus_recv_byte(unsigned smbus_io_base, unsigned device)
+{
+ unsigned char global_status_register;
+ unsigned char byte;
+
+ /* set the device I'm talking too */
+ outb(((device & 0x7f) << 1)|1 , smbus_io_base + SMBXMITADD);
+ smbus_delay();
+
+ /* byte data recv */
+ outb(0x05, smbus_io_base + SMBHSTPRTCL);
+ smbus_delay();
+
+ /* poll for transaction completion */
+ if (smbus_wait_until_done(smbus_io_base) < 0) {
+ return -3;
+ }
+
+ global_status_register = inb(smbus_io_base + SMBHSTSTAT) & 0x80; /* lose check */
+
+ /* read results of transaction */
+ byte = inb(smbus_io_base + SMBHSTCMD);
+
+ if (global_status_register != 0x80) { // lose check, otherwise it should be 0
+ return -1;
+ }
+ return byte;
+}
+
+int do_smbus_send_byte(unsigned smbus_io_base, unsigned device, unsigned char val)
+{
+ unsigned global_status_register;
+
+ outb(val, smbus_io_base + SMBHSTDAT0);
+ smbus_delay();
+
+ /* set the command... */
+ outb(val, smbus_io_base + SMBHSTCMD);
+ smbus_delay();
+
+ /* set the device I'm talking too */
+ outb(((device & 0x7f) << 1) | 0, smbus_io_base + SMBXMITADD);
+ smbus_delay();
+
+ /* set up for a byte data write */
+ outb(0x04, smbus_io_base + SMBHSTPRTCL);
+ smbus_delay();
+
+ /* poll for transaction completion */
+ if (smbus_wait_until_done(smbus_io_base) < 0) {
+ return -3;
+ }
+ global_status_register = inb(smbus_io_base + SMBHSTSTAT) & 0x80; /* lose check */;
+
+ if (global_status_register != 0x80) {
+ return -1;
+ }
+ return 0;
+}
+
+static inline int do_smbus_read_byte(unsigned smbus_io_base, unsigned device, unsigned address)
+{
+ unsigned char global_status_register;
+ unsigned char byte;
+
+ outb(0xff, smbus_io_base + 0x00);
+ smbus_delay();
+ outb(0x20, smbus_io_base + 0x03);
+ smbus_delay();
+
+ outb(((device & 0x7f) << 1)|1 , smbus_io_base + 0x04);
+ smbus_delay();
+ outb(address & 0xff, smbus_io_base + 0x05);
+ smbus_delay();
+ outb(0x12, smbus_io_base + 0x03);
+ smbus_delay();
+
+int i,j;
+for(i=0;i<0x1000;i++)
+{
+ if (inb(smbus_io_base + 0x00) != 0x08)
+ { smbus_delay();
+ for(j=0;j<0xFFFF;j++);
+ }
+};
+
+ global_status_register = inb(smbus_io_base + 0x00);
+ byte = inb(smbus_io_base + 0x08);
+
+ if (global_status_register != 0x08) { // lose check, otherwise it should be 0
+ print_debug("Fail");print_debug("\r\t");
+ return -1;
+ }
+ print_debug("Success");print_debug("\r\t");
+ return byte;
+}
+
+
+static inline int do_smbus_write_byte(unsigned smbus_io_base, unsigned device, unsigned address, unsigned char val)
+{
+ unsigned global_status_register;
+
+ outb(val, smbus_io_base + SMBHSTDAT0);
+ smbus_delay();
+
+ /* set the device I'm talking too */
+ outb(((device & 0x7f) << 1) | 0, smbus_io_base + SMBXMITADD);
+ smbus_delay();
+
+ outb(address & 0xff, smbus_io_base + SMBHSTCMD);
+ smbus_delay();
+
+ /* set up for a byte data write */
+ outb(0x06, smbus_io_base + SMBHSTPRTCL);
+ smbus_delay();
+
+ /* poll for transaction completion */
+ if (smbus_wait_until_done(smbus_io_base) < 0) {
+ return -3;
+ }
+ global_status_register = inb(smbus_io_base + SMBHSTSTAT) & 0x80; /* lose check */;
+
+ if (global_status_register != 0x80) {
+ return -1;
+ }
+ return 0;
+}
+
+
+
static const uint8_t SiS_LPC_init[34][3]={
{0x04, 0xF8, 0x07}, //Reg 0x04
{0x45, 0x00, 0x00}, //Reg 0x45 //Enable Rom Flash
@@ -564,11 +732,11 @@ static void enable_smbus(void)
printk(BIOS_DEBUG, "enable_smbus <--------\n");
}
-static int smbus_read_byte(unsigned device, unsigned address)
+int smbus_read_byte(unsigned device, unsigned address)
{
return do_smbus_read_byte(SMBUS0_IO_BASE, device, address);
}
-static int smbus_write_byte(unsigned device, unsigned address, unsigned char val)
+int smbus_write_byte(unsigned device, unsigned address, unsigned char val)
{
return do_smbus_write_byte(SMBUS0_IO_BASE, device, address, val);
}
diff --git a/src/southbridge/sis/sis966/sis966_smbus.h b/src/southbridge/sis/sis966/sis966_smbus.h
index 3294be5899..087ea47f23 100644
--- a/src/southbridge/sis/sis966/sis966_smbus.h
+++ b/src/southbridge/sis/sis966/sis966_smbus.h
@@ -37,166 +37,10 @@
*/
#define SMBUS_TIMEOUT (100*1000*10)
-static inline void smbus_delay(void)
-{
- outb(0x80, 0x80);
-}
-
-static int smbus_wait_until_ready(unsigned smbus_io_base)
-{
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
- do {
- unsigned char val;
- smbus_delay();
- val = inb(smbus_io_base + SMBHSTSTAT);
- val &= 0x1f;
- if (val == 0) {
- return 0;
- }
- outb(val,smbus_io_base + SMBHSTSTAT);
- } while(--loops);
- return -2;
-}
-
-static int smbus_wait_until_done(unsigned smbus_io_base)
-{
- unsigned long loops;
- loops = SMBUS_TIMEOUT;
- do {
- unsigned char val;
- smbus_delay();
-
- val = inb(smbus_io_base + 0x00);
- if ( (val & 0xff) != 0x02) {
- return 0;
- }
- } while(--loops);
- return -3;
-}
-static int do_smbus_recv_byte(unsigned smbus_io_base, unsigned device)
-{
- unsigned char global_status_register;
- unsigned char byte;
-
- /* set the device I'm talking too */
- outb(((device & 0x7f) << 1)|1 , smbus_io_base + SMBXMITADD);
- smbus_delay();
-
- /* byte data recv */
- outb(0x05, smbus_io_base + SMBHSTPRTCL);
- smbus_delay();
-
- /* poll for transaction completion */
- if (smbus_wait_until_done(smbus_io_base) < 0) {
- return -3;
- }
-
- global_status_register = inb(smbus_io_base + SMBHSTSTAT) & 0x80; /* lose check */
-
- /* read results of transaction */
- byte = inb(smbus_io_base + SMBHSTCMD);
-
- if (global_status_register != 0x80) { // lose check, otherwise it should be 0
- return -1;
- }
- return byte;
-}
-static int do_smbus_send_byte(unsigned smbus_io_base, unsigned device, unsigned char val)
-{
- unsigned global_status_register;
-
- outb(val, smbus_io_base + SMBHSTDAT0);
- smbus_delay();
-
- /* set the command... */
- outb(val, smbus_io_base + SMBHSTCMD);
- smbus_delay();
-
- /* set the device I'm talking too */
- outb(((device & 0x7f) << 1) | 0, smbus_io_base + SMBXMITADD);
- smbus_delay();
-
- /* set up for a byte data write */
- outb(0x04, smbus_io_base + SMBHSTPRTCL);
- smbus_delay();
-
- /* poll for transaction completion */
- if (smbus_wait_until_done(smbus_io_base) < 0) {
- return -3;
- }
- global_status_register = inb(smbus_io_base + SMBHSTSTAT) & 0x80; /* lose check */;
-
- if (global_status_register != 0x80) {
- return -1;
- }
- return 0;
-}
-static int do_smbus_read_byte(unsigned smbus_io_base, unsigned device, unsigned address)
-{
- unsigned char global_status_register;
- unsigned char byte;
-
- outb(0xff, smbus_io_base + 0x00);
- smbus_delay();
- outb(0x20, smbus_io_base + 0x03);
- smbus_delay();
-
- outb(((device & 0x7f) << 1)|1 , smbus_io_base + 0x04);
- smbus_delay();
- outb(address & 0xff, smbus_io_base + 0x05);
- smbus_delay();
- outb(0x12, smbus_io_base + 0x03);
- smbus_delay();
-
-int i,j;
-for(i=0;i<0x1000;i++)
-{
- if (inb(smbus_io_base + 0x00) != 0x08)
- { smbus_delay();
- for(j=0;j<0xFFFF;j++);
- }
-};
-
- global_status_register = inb(smbus_io_base + 0x00);
- byte = inb(smbus_io_base + 0x08);
-
- if (global_status_register != 0x08) { // lose check, otherwise it should be 0
- print_debug("Fail");print_debug("\r\t");
- return -1;
- }
- print_debug("Success");print_debug("\r\t");
- return byte;
-}
-
-
-static int do_smbus_write_byte(unsigned smbus_io_base, unsigned device, unsigned address, unsigned char val)
-{
- unsigned global_status_register;
-
- outb(val, smbus_io_base + SMBHSTDAT0);
- smbus_delay();
-
- /* set the device I'm talking too */
- outb(((device & 0x7f) << 1) | 0, smbus_io_base + SMBXMITADD);
- smbus_delay();
-
- outb(address & 0xff, smbus_io_base + SMBHSTCMD);
- smbus_delay();
-
- /* set up for a byte data write */
- outb(0x06, smbus_io_base + SMBHSTPRTCL);
- smbus_delay();
-
- /* poll for transaction completion */
- if (smbus_wait_until_done(smbus_io_base) < 0) {
- return -3;
- }
- global_status_register = inb(smbus_io_base + SMBHSTSTAT) & 0x80; /* lose check */;
-
- if (global_status_register != 0x80) {
- return -1;
- }
- return 0;
-}
+int smbus_wait_until_ready(unsigned smbus_io_base);
+int smbus_wait_until_done(unsigned smbus_io_base);
+int do_smbus_recv_byte(unsigned smbus_io_base, unsigned device);
+int do_smbus_send_byte(unsigned smbus_io_base, unsigned device, unsigned char val);
+int smbus_read_byte(unsigned device, unsigned address);
+int smbus_write_byte(unsigned device, unsigned address, unsigned char val);