[coreboot] PATCH: IT8671F Select CLKIN
Anders Jenbo
anders at jenbo.dk
Sun May 9 01:49:21 CEST 2010
Ok done.
-Anders
søn, 09 05 2010 kl. 00:48 +0200, skrev Rudolf Marek:
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>
> Hi,
>
> Couple of issues to fix:
>
>
> > Index: src/superio/ite/it8671f/it8671f_early_serial.c
> > ===================================================================
> > --- src/superio/ite/it8671f/it8671f_early_serial.c (revision 5531)
> > +++ src/superio/ite/it8671f/it8671f_early_serial.c (working copy)
> > @@ -53,12 +53,11 @@
> > outb(value, SIO_DATA);
> > }
> >
> > -/* Enable the peripheral devices on the IT8671F Super I/O chip. */
> > -static void it8671f_enable_serial(device_t dev, unsigned iobase)
> > +static void it8671f_enter_conf(void)
> > {
> > uint8_t i;
> >
> > - /* (1) Enter the configuration state (MB PnP mode). */
> > + /* Enter the configuration state (MB PnP mode). */
> >
> > /* Perform MB PnP setup to put the SIO chip at 0x3f0. */
> > /* Base address 0x3f0: 0x86 0x80 0x55 0x55. */
> > @@ -74,20 +73,27 @@
> > outb(init_values[i], SIO_BASE);
> > }
> >
> > - /* (2) Modify the data of configuration registers. */
> > -
> > /* Allow all devices to be enabled. Bits: FDC (0), Com1 (1), Com2 (2),
> > PP (3), Reserved (4), KBCK (5), KBCM (6), Reserved (7). */
>
>
> ^^^ this is not stuff for enable function. move it to enable serial where it was
> please.
>
> > it8671f_sio_write(0x00, IT8671F_CONFIG_REG_LDE, 0x6f);
> > +}
> >
> > +static void it8671f_exit_conf(void)
> > +{
> > + /* Exit the configuration state (MB PnP mode). */
> > + it8671f_sio_write(0x00, IT8671F_CONFIG_REG_CC, 0x02);
> > +}
> > +
> > +void it8671f_48mhz_clkin(void)
> > +{
> > + /* Select 48MHz CLKIN (24MHz default)*/
> > + it8671f_sio_write(0x00, IT8671F_CONFIG_REG_SWSUSP, 0x40);
> > +}
> > +
> > +/* Enable the peripheral devices on the IT8671F Super I/O chip. */
> > +static void it8671f_enable_serial(device_t dev, unsigned iobase)
> > +{
>
> you need to do call the it8671f_enter_conf(); here
> > /* Enable serial port(s). */
> > it8671f_sio_write(IT8671F_SP1, 0x30, 0x01); /* Serial port 1 */
> > it8671f_sio_write(IT8671F_SP2, 0x30, 0x01); /* Serial port 2 */
> > -
> > - /* Select 24MHz CLKIN (clear bit 6) and clear software suspend
> > - mode (clear bit 0). */
> > - it8671f_sio_write(0x00, IT8671F_CONFIG_REG_SWSUSP, 0x00);
> > -
> > - /* (3) Exit the configuration state (MB PnP mode). */
> > - it8671f_sio_write(0x00, IT8671F_CONFIG_REG_CC, 0x02);
>
> You need to call the it8671f_exit_conf(); here
>
> > }
> > Index: src/mainboard/soyo/sy-6ba-plus-iii/romstage.c
> > ===================================================================
> > --- src/mainboard/soyo/sy-6ba-plus-iii/romstage.c (revision 5531)
> > +++ src/mainboard/soyo/sy-6ba-plus-iii/romstage.c (working copy)
> > @@ -53,7 +53,9 @@
> > if (bist == 0)
> > early_mtrr_init();
> >
> > + it8671f_enter_conf();
> > it8671f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
> > + it8671f_exit_conf();
> and not here
> > uart_init();
> > console_init();
> > report_bist_failure(bist);
> > Index: src/mainboard/gigabyte/ga-6bxc/romstage.c
> > ===================================================================
> > --- src/mainboard/gigabyte/ga-6bxc/romstage.c (revision 5531)
> > +++ src/mainboard/gigabyte/ga-6bxc/romstage.c (working copy)
> > @@ -53,7 +53,9 @@
> > if (bist == 0)
> > early_mtrr_init();
> >
> > + it8671f_enter_conf();
> > it8671f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
> > + it8671f_exit_conf();
>
> same here
>
> > uart_init();
> > console_init();
> > report_bist_failure(bist);
> >
> >
>
> Thanks,
> Rudolf
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