diff options
author | Mono <mono@posteo.de> | 2014-03-02 18:40:36 +0100 |
---|---|---|
committer | Vladimir Serbinenko <phcoder@gmail.com> | 2014-08-17 21:27:24 +0200 |
commit | 9b90824a1f8ec0e775f36a2811c059415f4de788 (patch) | |
tree | b750f557fe5002e92b3df13f0c00d2af349b765c /src/mainboard/apple/macbook21/smihandler.c | |
parent | 26ca08caf81ad2dcc9c8246a743d82ffb464c767 (diff) |
A new port apple/macbook21.
Current problems:
- Complete lack of EC support (no battery indicator, no temperature, ...)
- No audio support
Change-Id: I25d09629dd82e01fadca2b6c25f72aaf08eafae1
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Signed-off-by: Axel Holewa <mono@posteo.de>
Reviewed-on: http://review.coreboot.org/5321
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/mainboard/apple/macbook21/smihandler.c')
-rw-r--r-- | src/mainboard/apple/macbook21/smihandler.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/mainboard/apple/macbook21/smihandler.c b/src/mainboard/apple/macbook21/smihandler.c new file mode 100644 index 0000000000..0b3d615eb7 --- /dev/null +++ b/src/mainboard/apple/macbook21/smihandler.c @@ -0,0 +1,91 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <console/console.h> +#include <cpu/x86/smm.h> +#include "southbridge/intel/i82801gx/nvs.h" +#include "southbridge/intel/i82801gx/i82801gx.h" +#include <pc80/mc146818rtc.h> +#include <delay.h> +#include "smi.h" + +/* The southbridge SMI handler checks whether gnvs has a + * valid pointer before calling the trap handler + */ +extern global_nvs_t *gnvs; + +static void mainboard_smm_init(void) +{ + printk(BIOS_DEBUG, "initializing SMI\n"); +} + +int mainboard_io_trap_handler(int smif) +{ + static int smm_initialized; + + if (!smm_initialized) { + mainboard_smm_init(); + smm_initialized = 1; + } + + switch (smif) { + default: + return 0; + } + + /* On success, the IO Trap Handler returns 1 + * On failure, the IO Trap Handler returns a value != 1 */ + return 1; +} + +int mainboard_smi_apmc(u8 data) +{ + u16 pmbase = pci_read_config16(PCI_DEV(0, 0x1f, 0), 0x40) & 0xfffc; + u8 tmp; + + printk(BIOS_DEBUG, "%s: pmbase %04X, data %02X\n", __func__, pmbase, data); + + if (!pmbase) + return 0; + + switch(data) { + case APM_CNT_ACPI_ENABLE: + /* route H8SCI to SCI */ + outw(inw(ALT_GP_SMI_EN) & ~0x1000, pmbase + ALT_GP_SMI_EN); + tmp = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xbb); + tmp &= ~0x03; + tmp |= 0x02; + pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xbb, tmp); + break; + case APM_CNT_ACPI_DISABLE: + /* route H8SCI# to SMI */ + outw(inw(pmbase + ALT_GP_SMI_EN) | 0x1000, pmbase + ALT_GP_SMI_EN); + tmp = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xbb); + tmp &= ~0x03; + tmp |= 0x01; + pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xbb, tmp); + break; + default: + break; + } + return 0; +} |