mb/lenovo/x201/smihandler.c: Remove useless smihandler code
This code to handle the brightness from SMM is copied from the Lenovo Thinkpad X60 code, but does not work on later generation. The PCI device it tries to address does not even exist on those devices. Change-Id: I0c25c3e5bec651b27158a84cc91289639a04ceb6 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/33508 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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@ -15,7 +15,6 @@
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*/
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#include <arch/io.h>
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#include <device/pci_ops.h>
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#include <console/console.h>
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#include <cpu/x86/smm.h>
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#include <southbridge/intel/ibexpeak/nvs.h>
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@ -71,23 +70,6 @@ int mainboard_io_trap_handler(int smif)
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return 1;
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}
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static void mainboard_smi_brightness_up(void)
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{
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u8 value;
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if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) < 0xf0)
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pci_write_config8(PCI_DEV(0, 2, 1), 0xf4, (value + 0x10) | 0xf);
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}
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static void mainboard_smi_brightness_down(void)
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{
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u8 value;
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if ((value = pci_read_config8(PCI_DEV(0, 2, 1), 0xf4)) > 0x10)
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pci_write_config8(PCI_DEV(0, 2, 1), 0xf4,
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(value - 0x10) & 0xf0);
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}
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static void mainboard_smi_handle_ec_sci(void)
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{
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u8 status = inb(EC_SC);
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@ -100,14 +82,6 @@ static void mainboard_smi_handle_ec_sci(void)
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printk(BIOS_DEBUG, "EC event %02x\n", event);
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switch (event) {
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case 0x14:
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/* brightness up */
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mainboard_smi_brightness_up();
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break;
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case 0x15:
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/* brightness down */
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mainboard_smi_brightness_down();
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break;
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case 0x18:
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/* Fn-F9 key */
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case 0x27:
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