Alexander Couzens (lynxis@fe80.eu) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9708
-gerrit
commit c1c3704083951f515258e166ab11b298a82bbcdd Author: Alexander Couzens lynxis@fe80.eu Date: Thu Apr 16 02:03:26 2015 +0200
acpi/sata: add generic sata ssdt port generator
generate_sata_ssdt_ports() generates ports based on sata enable map
Change-Id: Ie68e19c93f093d6c61634c4adfde484b88f28a77 Signed-off-by: Alexander Couzens lynxis@fe80.eu --- Makefile.inc | 2 +- src/Kconfig | 2 ++ src/acpi/Kconfig | 6 +++++ src/acpi/Makefile.inc | 1 + src/acpi/sata.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++ src/acpi/sata.h | 3 +++ 6 files changed, 74 insertions(+), 1 deletion(-)
diff --git a/Makefile.inc b/Makefile.inc index 0c688f7..03b4489 100644 --- a/Makefile.inc +++ b/Makefile.inc @@ -52,7 +52,7 @@ PHONY+= clean-abuild coreboot lint lint-stable build-dirs
####################################################################### # root source directories of coreboot -subdirs-y := src/lib src/console src/device +subdirs-y := src/lib src/console src/device src/acpi subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*) subdirs-y += $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*) subdirs-y += src/superio $(wildcard src/drivers/*) src/cpu src/vendorcode diff --git a/src/Kconfig b/src/Kconfig index 26e1194..fffe7a3 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -329,6 +329,8 @@ config RAM_CODE_SUPPORT
endmenu
+source "src/acpi/Kconfig" + source "src/mainboard/Kconfig"
source "src/arch/*/Kconfig" diff --git a/src/acpi/Kconfig b/src/acpi/Kconfig new file mode 100644 index 0000000..e025f99 --- /dev/null +++ b/src/acpi/Kconfig @@ -0,0 +1,6 @@ + +config ACPI_SATA_GENERATOR + bool + default n + help + Use acpi sata port generator. diff --git a/src/acpi/Makefile.inc b/src/acpi/Makefile.inc new file mode 100644 index 0000000..53ac679 --- /dev/null +++ b/src/acpi/Makefile.inc @@ -0,0 +1 @@ +ramstage-$(CONFIG_ACPI_SATA_GENERATOR) += sata.c diff --git a/src/acpi/sata.c b/src/acpi/sata.c new file mode 100644 index 0000000..b488574 --- /dev/null +++ b/src/acpi/sata.c @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2015 Alexander Couzens lynxis@fe80.eu + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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. + */ + +#include "sata.h" + +#include <arch/acpi.h> +#include <arch/acpigen.h> + +/* e.g. + * generate_sata_ssdt_ports("_SB.PCI0.SATA", 0x3); + * generates: + * Scope (_SB.PCI0.SATA) + * { + * Device (PRT0) + * { + * Name (_ADR, 0x0000FFFF) // _ADR: Address + * } + * + * Device (PRT1) + * { + * Name (_ADR, 0x0001FFFF) // _ADR: Address + * } + * } + */ +void generate_sata_ssdt_ports(const char *scope, uint8_t enable_map) +{ + int i; + int bit; + char port_name[4] = "PRT0"; + + acpigen_write_scope(scope); + + /* generate a device for every enabled port */ + for (i = 0; i < 8; i++) { + bit = 1 << i; + if (!(bit & enable_map)) + continue; + + port_name[3] = '0' + i; + acpigen_write_device(port_name); + + acpigen_write_name_dword("_ADR", 0xffff + i * 0x10000); + acpigen_pop_len(); /* close PRT%d */ + } + + acpigen_pop_len(); /* close scope */ +} diff --git a/src/acpi/sata.h b/src/acpi/sata.h new file mode 100644 index 0000000..b7f17b2 --- /dev/null +++ b/src/acpi/sata.h @@ -0,0 +1,3 @@ +#include <stdint.h> + +void generate_sata_ssdt_ports(const char *scope, uint8_t enable_map);