WANG Siyuan (wangsiyuanbuaa@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4003
-gerrit
commit 14fbc60efc4040232bf214c62beaf1f68063ab0a Author: WANG Siyuan wangsiyuanbuaa@gmail.com Date: Mon Oct 28 10:49:28 2013 +0800
AMD hudson: add imc fan control
Use 3 imc functions to control fan: function 0x81: set imc thermal zone information function 0x83: set imc fan policy temperature thresholds function 0x85: set imc fan policy PWM settings
Change-Id: I613fd195afffc5e26d59c61b33cdf834b8dbbfbb Signed-off-by: WANG Siyuan SiYuan.Wang@amd.com Signed-off-by: WANG Siyuan wangsiyuanbuaa@gmail.com --- src/southbridge/amd/agesa/hudson/Makefile.inc | 1 + src/southbridge/amd/agesa/hudson/imc_fan_control.c | 85 ++++++++++++++++++++++ src/southbridge/amd/agesa/hudson/imc_fan_control.h | 14 ++++ 3 files changed, 100 insertions(+)
diff --git a/src/southbridge/amd/agesa/hudson/Makefile.inc b/src/southbridge/amd/agesa/hudson/Makefile.inc index d50d09e..02bff34 100644 --- a/src/southbridge/amd/agesa/hudson/Makefile.inc +++ b/src/southbridge/amd/agesa/hudson/Makefile.inc @@ -9,6 +9,7 @@ ramstage-y += hda.c ramstage-y += pci.c ramstage-y += pcie.c ramstage-y += sd.c +ramstage-y += imc_fan_control.c
ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += fadt.c ramstage-y += reset.c diff --git a/src/southbridge/amd/agesa/hudson/imc_fan_control.c b/src/southbridge/amd/agesa/hudson/imc_fan_control.c new file mode 100644 index 0000000..61f5d26 --- /dev/null +++ b/src/southbridge/amd/agesa/hudson/imc_fan_control.c @@ -0,0 +1,85 @@ +#include "imc_fan_control.h" +#include <delay.h> + +void imc_fan_control(void) +{ + u8 val; + val = read8(ACPI_MMIO_BASE + PMIO2_BASE + 0x01); + val |= BIT2; + write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x01, val); + write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x02, 0xf7); + write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x03, 0xff); + write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x04, 0xff); + + val = read8(ACPI_MMIO_BASE + PMIO2_BASE + 0x11); + val |= BIT2; + write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x11, val); + write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x12, 0xf7); + write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x13, 0xff); + write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x14, 0xff); + + imc_func_0x83(); + imc_func_0x85(); + imc_func_0x81(); +} + +void write_imc_msg(u8 idx, u8 val) +{ + outb(idx, 0x3e); + outb(val, 0x3f); +} + +void imc_func_0x81(void) +{ + write_imc_msg(MSG_REG0, 0); + write_imc_msg(MSG_REG1, 0); + write_imc_msg(MSG_REG2, 0x3d); + write_imc_msg(MSG_REG3, 0xe); + write_imc_msg(MSG_REG4, 0); + write_imc_msg(MSG_REG5, 0x54); + write_imc_msg(MSG_REG6, 0x98); + write_imc_msg(MSG_REG7, 0x2); + write_imc_msg(MSG_REG8, 0x1); + write_imc_msg(MSG_REG9, 0); + write_imc_msg(MSG_SYS_TO_IMC, Fun_81); + mdelay(50); +} + +void imc_func_0x83(void) +{ + write_imc_msg(MSG_REG0, 0); + write_imc_msg(MSG_REG1, 0); + write_imc_msg(MSG_REG2, 0x69); + write_imc_msg(MSG_REG3, 0x3c); + write_imc_msg(MSG_REG4, 0xff); + write_imc_msg(MSG_REG5, 0xff); + write_imc_msg(MSG_REG6, 0xff); + write_imc_msg(MSG_REG7, 0xff); + write_imc_msg(MSG_REG8, 0xff); + write_imc_msg(MSG_REG9, 0xff); + write_imc_msg(MSG_REGA, 0x69); + write_imc_msg(MSG_REGB, 0); + write_imc_msg(MSG_SYS_TO_IMC, Fun_83); + mdelay(50); +} + +void imc_func_0x85(void) +{ + write_imc_msg(MSG_REG0, 0); + write_imc_msg(MSG_REG1, 0); + write_imc_msg(MSG_REG2, 0x64); + write_imc_msg(MSG_REG3, 0xff); + write_imc_msg(MSG_REG4, 0xff); + write_imc_msg(MSG_REG5, 0xff); + write_imc_msg(MSG_REG6, 0xff); + write_imc_msg(MSG_REG7, 0xff); + write_imc_msg(MSG_REG8, 0xff); + write_imc_msg(MSG_REG9, 0xff); + write_imc_msg(MSG_SYS_TO_IMC, Fun_85); + mdelay(50); +} + +void imc_func_0x89(void) +{ + /* not use */ +} diff --git a/src/southbridge/amd/agesa/hudson/imc_fan_control.h b/src/southbridge/amd/agesa/hudson/imc_fan_control.h new file mode 100644 index 0000000..c7a134b --- /dev/null +++ b/src/southbridge/amd/agesa/hudson/imc_fan_control.h @@ -0,0 +1,14 @@ +#ifndef _IMC_FAN_CONTROL_H_ +#define _IMC_FAN_CONTROL_H_ + +#include <arch/io.h> +#include "FchPlatform.h" + +void imc_fan_control(void); +void write_imc_msg(u8 idx, u8 val); +void imc_func_0x81(void); +void imc_func_0x83(void); +void imc_func_0x85(void); +void imc_func_0x89(void); + +#endif
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WANG Siyuan