diff options
author | Edward O'Callaghan <eocallaghan@alterapraxis.com> | 2014-04-27 00:41:50 +1000 |
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committer | Rudolf Marek <r.marek@assembler.cz> | 2014-05-11 17:52:08 +0200 |
commit | f29200240e428761827ab8d179fa23068bfa9d59 (patch) | |
tree | e8f20cf76e224a08152c46196894479bd6105436 /src/superio/ite/it8712f/early_serial.c | |
parent | 946bee1c349db6bf88b4f6736dc910eb4890a74b (diff) | |
download | coreboot-f29200240e428761827ab8d179fa23068bfa9d59.tar.xz |
superio/ite/*: Factor out generic romstage component
Following the reasoning of:
cf7b498 superio/fintek/*: Factor out generic romstage component
Change-Id: I4c0a9a5a7786eb8fcb0c3ed6251c7fe9bbbadae7
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5585
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
Diffstat (limited to 'src/superio/ite/it8712f/early_serial.c')
-rw-r--r-- | src/superio/ite/it8712f/early_serial.c | 38 |
1 files changed, 2 insertions, 36 deletions
diff --git a/src/superio/ite/it8712f/early_serial.c b/src/superio/ite/it8712f/early_serial.c index 51564fce04..d678f3faba 100644 --- a/src/superio/ite/it8712f/early_serial.c +++ b/src/superio/ite/it8712f/early_serial.c @@ -19,6 +19,8 @@ */ #include <arch/io.h> +#include <device/pnp.h> +#include <stdint.h> #include "it8712f.h" /* The base address is 0x2e or 0x4e, depending on config bytes. */ @@ -30,7 +32,6 @@ #define IT8712F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */ #define IT8712F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */ #define IT8712F_CONFIG_REG_CONFIGSEL 0x22 /* Configuration Select. */ -#define IT8712F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */ #define IT8712F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */ #define IT8712F_CONFIG_REG_MFC 0x2a /* Multi-function control */ #define IT8712F_CONFIG_REG_WATCHDOG 0x72 /* Watchdog control. */ @@ -58,14 +59,6 @@ static void it8712f_exit_conf(void) it8712f_sio_write(0x00, IT8712F_CONFIG_REG_CC, 0x02); } -/* Select 24MHz CLKIN (48MHz is the default). */ -void it8712f_24mhz_clkin(void) -{ - it8712f_enter_conf(); - it8712f_sio_write(0x00, IT8712F_CONFIG_REG_CLOCKSEL, 0x1); - it8712f_exit_conf(); -} - /* * We need to set enable 3VSBSW#, this was documented only in IT8712F_V0.9.2! * @@ -88,30 +81,3 @@ void it8712f_kill_watchdog(void) it8712f_sio_write(IT8712F_GPIO, IT8712F_CONFIG_REG_WATCHDOG, 0x00); it8712f_exit_conf(); } - -/* Enable the serial port(s). */ -void it8712f_enable_serial(device_t dev, u16 iobase) -{ - /* (1) Enter the configuration state (MB PnP mode). */ - it8712f_enter_conf(); - - /* (2) Modify the data of configuration registers. */ - - /* - * Select the chip to configure (if there's more than one). - * Set bit 7 to select JP3=1, clear bit 7 to select JP3=0. - * If this register is not written, both chips are configured. - */ - - /* it8712f_sio_write(0x00, IT8712F_CONFIG_REG_CONFIGSEL, 0x00); */ - - /* Enable serial port(s). */ - it8712f_sio_write(IT8712F_SP1, 0x30, 0x1); /* Serial port 1 */ - it8712f_sio_write(IT8712F_SP2, 0x30, 0x1); /* Serial port 2 */ - - /* Clear software suspend mode (clear bit 0). TODO: Needed? */ - /* it8712f_sio_write(0x00, IT8712F_CONFIG_REG_SWSUSP, 0x00); */ - - /* (3) Exit the configuration state (MB PnP mode). */ - it8712f_exit_conf(); -} |