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| author | Edward O'Callaghan <eocallaghan@alterapraxis.com> | 2014-08-02 20:08:35 +1000 |
|---|---|---|
| committer | Edward O'Callaghan <eocallaghan@alterapraxis.com> | 2014-08-23 05:30:42 +0200 |
| commit | 47b8075bb14de4dad4cfd2c2f42482e04644b28d (patch) | |
| tree | eabeb1e0762ee83cdeec20c4b1a01baee6563141 /src/superio | |
| parent | 8b685398a74065d832fe2a3dfcfb313f0f4f11c3 (diff) | |
| download | coreboot-47b8075bb14de4dad4cfd2c2f42482e04644b28d.tar.xz | |
superio/smsc/sio1036: Fix hardcoded TTY0 base addr and .c include
Compile romstage component as link-time symbols. Pass CONFIG_TTY0_BASE
as argument instead of hard coding and playing funny business with the
pre-processor. Fix board to match.
Change-Id: If6d0d5389bd4e7765bb6056cf488c94fd45915c2
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6463
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
Diffstat (limited to 'src/superio')
| -rw-r--r-- | src/superio/smsc/sio1036/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/superio/smsc/sio1036/sio1036.h | 5 | ||||
| -rw-r--r-- | src/superio/smsc/sio1036/sio1036_early_init.c | 31 |
3 files changed, 21 insertions, 16 deletions
diff --git a/src/superio/smsc/sio1036/Makefile.inc b/src/superio/smsc/sio1036/Makefile.inc index f09d451d48..c4b61381b9 100644 --- a/src/superio/smsc/sio1036/Makefile.inc +++ b/src/superio/smsc/sio1036/Makefile.inc @@ -17,4 +17,5 @@ # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # +romstage-$(CONFIG_SUPERIO_SMSC_SIO1036) += sio1036_early_init.c ramstage-$(CONFIG_SUPERIO_SMSC_SIO1036) += superio.c diff --git a/src/superio/smsc/sio1036/sio1036.h b/src/superio/smsc/sio1036/sio1036.h index e61b600f5a..fa52a1a5c8 100644 --- a/src/superio/smsc/sio1036/sio1036.h +++ b/src/superio/smsc/sio1036/sio1036.h @@ -26,4 +26,9 @@ #define LPT_POWER_DOWN (1 << 2) #define IR_OUPUT_MUX (1 << 6) +#include <arch/io.h> +#include <stdint.h> + +void sio1036_enable_serial(device_t dev, u16 iobase); + #endif /* SUPERIO_SMSC_1306_H */ diff --git a/src/superio/smsc/sio1036/sio1036_early_init.c b/src/superio/smsc/sio1036/sio1036_early_init.c index 52232a5410..5f10230c84 100644 --- a/src/superio/smsc/sio1036/sio1036_early_init.c +++ b/src/superio/smsc/sio1036/sio1036_early_init.c @@ -20,50 +20,49 @@ /* Pre-RAM driver for the SMSC KBC1100 Super I/O chip */ #include <arch/io.h> +#include <stdint.h> + #include "sio1036.h" -#ifndef CONFIG_TTYS0_BASE -#define CONFIG_TTYS0_BASE 0x3F8 -#endif static inline void sio1036_enter_conf_state(device_t dev) { - unsigned port = dev>>8; + unsigned port = dev >> 8; outb(0x55, port); } static inline void sio1036_exit_conf_state(device_t dev) { - unsigned port = dev>>8; + unsigned port = dev >> 8; outb(0xaa, port); } +/* Detect SMSC SIO1036 LPC Debug Card status */ static u8 detect_sio1036_chip(unsigned port) { - device_t dev; - dev = PNP_DEV (port, SIO1036_SP1); + device_t dev = PNP_DEV(port, SIO1036_SP1); unsigned data; + sio1036_enter_conf_state (dev); data = pnp_read_config (dev, 0x0D); sio1036_exit_conf_state(dev); - /* detect smsc sio1036 chip */ + + /* Detect SMSC SIO1036 chip */ if (data == 0x82) { /* Found SMSC SIO1036 chip */ return 0; } else { - return -1; + return 1; }; } -static inline void sio1036_early_init(unsigned port) +void sio1036_enable_serial(device_t dev, u16 iobase) { - device_t dev; - dev = PNP_DEV (port, SIO1036_SP1); + unsigned port = dev >> 8; - if (detect_sio1036_chip(port) != 0) { - /* Not found SMSC SIO1036 */ + if (detect_sio1036_chip(port) != 0) return; - } + sio1036_enter_conf_state (dev); /* Enable SMSC UART 0 */ @@ -91,7 +90,7 @@ static inline void sio1036_early_init(unsigned port) /* Enable SMSC UART 0 */ /*Set base io address */ - pnp_write_config (dev, 0x25, (u8)((u16)CONFIG_TTYS0_BASE >> 2)); + pnp_write_config (dev, 0x25, (u8)(iobase >> 2)); /* Set UART IRQ onto 0x04 */ pnp_write_config (dev, 0x28, 0x04); |