Nicola Corna (nicola(a)corna.info) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18563
-gerrit
commit 74f05631e0a38752c9a795c3d3a8ccc4890e13ac
Author: Nicola Corna <nicola(a)corna.info>
Date: Thu Mar 2 08:08:45 2017 +0100
superio/fintek: Add support for Fintek F71808A
Change-Id: Iba3f3dadf2b15071981f52d0b08da7847354bd23
Signed-off-by: Nicola Corna <nicola(a)corna.info>
---
src/superio/fintek/Makefile.inc | 1 +
src/superio/fintek/f71808a/Kconfig | 18 ++++++
src/superio/fintek/f71808a/Makefile.inc | 19 +++++++
src/superio/fintek/f71808a/chip.h | 53 ++++++++++++++++++
src/superio/fintek/f71808a/f71808a.h | 29 ++++++++++
src/superio/fintek/f71808a/f71808a_hwm.c | 77 ++++++++++++++++++++++++++
src/superio/fintek/f71808a/f71808a_multifunc.c | 57 +++++++++++++++++++
src/superio/fintek/f71808a/fintek_internal.h | 27 +++++++++
src/superio/fintek/f71808a/superio.c | 67 ++++++++++++++++++++++
9 files changed, 348 insertions(+)
diff --git a/src/superio/fintek/Makefile.inc b/src/superio/fintek/Makefile.inc
index 0d0ae66..2222644 100644
--- a/src/superio/fintek/Makefile.inc
+++ b/src/superio/fintek/Makefile.inc
@@ -17,6 +17,7 @@
romstage-$(CONFIG_SUPERIO_FINTEK_COMMON_ROMSTAGE) += common/early_serial.c
subdirs-y += f71805f
+subdirs-y += f71808a
subdirs-y += f71859
subdirs-y += f71863fg
subdirs-y += f71869ad
diff --git a/src/superio/fintek/f71808a/Kconfig b/src/superio/fintek/f71808a/Kconfig
new file mode 100644
index 0000000..756f28d
--- /dev/null
+++ b/src/superio/fintek/f71808a/Kconfig
@@ -0,0 +1,18 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2017 Nicola Corna <nicola(a)corna.info>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+
+config SUPERIO_FINTEK_F71808A
+ bool
+ select SUPERIO_FINTEK_COMMON_ROMSTAGE
diff --git a/src/superio/fintek/f71808a/Makefile.inc b/src/superio/fintek/f71808a/Makefile.inc
new file mode 100644
index 0000000..f43e602
--- /dev/null
+++ b/src/superio/fintek/f71808a/Makefile.inc
@@ -0,0 +1,19 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2017 Nicola Corna <nicola(a)corna.info>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+
+ramstage-$(CONFIG_SUPERIO_FINTEK_F71808A) += f71808a_multifunc.c
+ramstage-$(CONFIG_SUPERIO_FINTEK_F71808A) += f71808a_hwm.c
+ramstage-$(CONFIG_SUPERIO_FINTEK_F71808A) += superio.c
diff --git a/src/superio/fintek/f71808a/chip.h b/src/superio/fintek/f71808a/chip.h
new file mode 100644
index 0000000..fae056d
--- /dev/null
+++ b/src/superio/fintek/f71808a/chip.h
@@ -0,0 +1,53 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan(a)alterapraxis.com>
+ * Copyright (C) 2017 Nicola Corna <nicola(a)corna.info>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#ifndef SUPERIO_FINTEK_F71808A_CHIP_H
+#define SUPERIO_FINTEK_F71808A_CHIP_H
+
+#include <stdint.h>
+
+struct superio_fintek_f71808a_config {
+
+ /* Multi function registers */
+ uint8_t multi_function_register_1;
+ uint8_t multi_function_register_2;
+ uint8_t multi_function_register_3;
+ uint8_t multi_function_register_4;
+ uint8_t multi_function_register_5;
+
+ /* Intel Ibex Peak/PECI/AMD TSI */
+ uint8_t hwm_peci_tsi_ctrl;
+ uint8_t hwm_tcc_temp;
+
+ /* Fan 1 control */
+ uint8_t hwm_fan1_seg1_speed;
+ uint8_t hwm_fan1_seg2_speed;
+ uint8_t hwm_fan1_seg3_speed;
+ uint8_t hwm_fan1_seg4_speed;
+ uint8_t hwm_fan1_seg5_speed;
+ uint8_t hwm_fan1_temp_src;
+
+ /* Fan 2 control */
+ uint8_t hwm_fan2_seg1_speed;
+ uint8_t hwm_fan2_seg2_speed;
+ uint8_t hwm_fan2_seg3_speed;
+ uint8_t hwm_fan2_seg4_speed;
+ uint8_t hwm_fan2_seg5_speed;
+ uint8_t hwm_fan2_temp_src;
+};
+
+#endif /* SUPERIO_FINTEK_F71808A_CHIP_H */
diff --git a/src/superio/fintek/f71808a/f71808a.h b/src/superio/fintek/f71808a/f71808a.h
new file mode 100644
index 0000000..fbce494
--- /dev/null
+++ b/src/superio/fintek/f71808a/f71808a.h
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Nicola Corna <nicola(a)corna.info>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#ifndef SUPERIO_FINTEK_F71808A_H
+#define SUPERIO_FINTEK_F71808A_H
+
+/* Logical Device Numbers (LDN). */
+#define F71808A_SP1 0x01 /* UART1 */
+#define F71808A_HWM 0x04 /* Hardware monitor */
+#define F71808A_KBC 0x05 /* PS/2 keyboard and mouse */
+#define F71808A_GPIO 0x06 /* General Purpose I/O (GPIO) */
+#define F71808A_WDT 0x07 /* WDT */
+#define F71808A_CIR 0x08 /* CIR */
+#define F71808A_PME 0x0a /* Power Management Events (PME) and ACPI */
+
+#endif /* SUPERIO_FINTEK_F71808A_H */
diff --git a/src/superio/fintek/f71808a/f71808a_hwm.c b/src/superio/fintek/f71808a/f71808a_hwm.c
new file mode 100644
index 0000000..9beb87c
--- /dev/null
+++ b/src/superio/fintek/f71808a/f71808a_hwm.c
@@ -0,0 +1,77 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan(a)alterapraxis.com>
+ * Copyright (C) 2017 Nicola Corna <nicola(a)corna.info>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pnp.h>
+#include "fintek_internal.h"
+#include "chip.h"
+
+/* Intel Ibex Peak/PECI/AMD TSI */
+#define HWM_PECI_TSI_CTRL_REG 0x0a
+#define HWM_TCC_TEMPERATURE_REG 0x0c
+
+/* Fan 1 control */
+#define HWM_FAN1_SEG1_SPEED_REG 0xaa
+#define HWM_FAN1_SEG2_SPEED_REG 0xab
+#define HWM_FAN1_SEG3_SPEED_REG 0xac
+#define HWM_FAN1_SEG4_SPEED_REG 0xad
+#define HWM_FAN1_SEG5_SPEED_REG 0xae
+#define HWM_FAN1_TEMP_SRC_REG 0xaf
+
+/* Fan 2 control */
+#define HWM_FAN2_SEG1_SPEED_REG 0xba
+#define HWM_FAN2_SEG2_SPEED_REG 0xbb
+#define HWM_FAN2_SEG3_SPEED_REG 0xbc
+#define HWM_FAN2_SEG4_SPEED_REG 0xbd
+#define HWM_FAN2_SEG5_SPEED_REG 0xbe
+#define HWM_FAN2_TEMP_SRC_REG 0xbf
+
+void f71808a_hwm_init(struct device *dev)
+{
+ struct resource *res = find_resource(dev, PNP_IDX_IO0);
+
+ if (!res) {
+ printk(BIOS_WARNING, "Super I/O HWM: No HWM resource found.\n");
+ return;
+ }
+
+ const struct superio_fintek_f71808a_config *reg = dev->chip_info;
+ u16 port = res->base;
+
+ pnp_enter_conf_mode(dev);
+
+ pnp_write_index(port, HWM_PECI_TSI_CTRL_REG, reg->hwm_peci_tsi_ctrl);
+ pnp_write_index(port, HWM_TCC_TEMPERATURE_REG, reg->hwm_tcc_temp);
+
+ pnp_write_index(port, HWM_FAN1_SEG1_SPEED_REG, reg->hwm_fan1_seg1_speed);
+ pnp_write_index(port, HWM_FAN1_SEG2_SPEED_REG, reg->hwm_fan1_seg2_speed);
+ pnp_write_index(port, HWM_FAN1_SEG3_SPEED_REG, reg->hwm_fan1_seg3_speed);
+ pnp_write_index(port, HWM_FAN1_SEG4_SPEED_REG, reg->hwm_fan1_seg4_speed);
+ pnp_write_index(port, HWM_FAN1_SEG5_SPEED_REG, reg->hwm_fan1_seg5_speed);
+ pnp_write_index(port, HWM_FAN1_TEMP_SRC_REG, reg->hwm_fan1_temp_src);
+
+ pnp_write_index(port, HWM_FAN2_SEG1_SPEED_REG, reg->hwm_fan2_seg1_speed);
+ pnp_write_index(port, HWM_FAN2_SEG2_SPEED_REG, reg->hwm_fan2_seg2_speed);
+ pnp_write_index(port, HWM_FAN2_SEG3_SPEED_REG, reg->hwm_fan2_seg3_speed);
+ pnp_write_index(port, HWM_FAN2_SEG4_SPEED_REG, reg->hwm_fan2_seg4_speed);
+ pnp_write_index(port, HWM_FAN2_SEG5_SPEED_REG, reg->hwm_fan2_seg5_speed);
+ pnp_write_index(port, HWM_FAN2_TEMP_SRC_REG, reg->hwm_fan2_temp_src);
+
+ pnp_exit_conf_mode(dev);
+}
diff --git a/src/superio/fintek/f71808a/f71808a_multifunc.c b/src/superio/fintek/f71808a/f71808a_multifunc.c
new file mode 100644
index 0000000..fe42c7b
--- /dev/null
+++ b/src/superio/fintek/f71808a/f71808a_multifunc.c
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan(a)alterapraxis.com>
+ * Copyright (C) 2017 Nicola Corna <nicola(a)corna.info>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pnp.h>
+#include "chip.h"
+#include "fintek_internal.h"
+
+#define MULTI_FUNC_SEL_REG1 0x28
+#define MULTI_FUNC_SEL_REG2 0x29
+#define MULTI_FUNC_SEL_REG3 0x2A
+#define MULTI_FUNC_SEL_REG4 0x2B
+#define MULTI_FUNC_SEL_REG5 0x2C
+
+void f71808a_multifunc_init(struct device *dev)
+{
+ const struct superio_fintek_f71808a_config *conf = dev->chip_info;
+
+ pnp_enter_conf_mode(dev);
+
+ /* multi-func select reg1 */
+ pnp_write_config(dev, MULTI_FUNC_SEL_REG1,
+ conf->multi_function_register_1);
+
+ /* multi-func select reg2 (CLK_TUNE_EN = 0) */
+ pnp_write_config(dev, MULTI_FUNC_SEL_REG2,
+ conf->multi_function_register_2);
+
+ /* multi-func select reg3 (CLK_TUNE_EN = 0) */
+ pnp_write_config(dev, MULTI_FUNC_SEL_REG3,
+ conf->multi_function_register_3);
+
+ /* multi-func select reg4 (CLK_TUNE_EN = 0) */
+ pnp_write_config(dev, MULTI_FUNC_SEL_REG4,
+ conf->multi_function_register_4);
+
+ /* multi-func select reg5 (CLK_TUNE_EN = 0) */
+ pnp_write_config(dev, MULTI_FUNC_SEL_REG5,
+ conf->multi_function_register_5);
+
+ pnp_exit_conf_mode(dev);
+}
diff --git a/src/superio/fintek/f71808a/fintek_internal.h b/src/superio/fintek/f71808a/fintek_internal.h
new file mode 100644
index 0000000..715ae5d
--- /dev/null
+++ b/src/superio/fintek/f71808a/fintek_internal.h
@@ -0,0 +1,27 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan(a)alterapraxis.com>
+ * Copyright (C) 2017 Nicola Corna <nicola(a)corna.info>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#ifndef SUPERIO_FINTEK_F71808A_INTERNAL_H
+#define SUPERIO_FINTEK_F71808A_INTERNAL_H
+
+#include <arch/io.h>
+#include <device/pnp.h>
+
+void f71808a_multifunc_init(struct device *dev);
+void f71808a_hwm_init(struct device *dev);
+
+#endif /* SUPERIO_FINTEK_F71808A_INTERNAL_H */
diff --git a/src/superio/fintek/f71808a/superio.c b/src/superio/fintek/f71808a/superio.c
new file mode 100644
index 0000000..53a8e85
--- /dev/null
+++ b/src/superio/fintek/f71808a/superio.c
@@ -0,0 +1,67 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Corey Osgood <corey.osgood(a)gmail.com>
+ * Copyright (C) 2017 Nicola Corna <nicola(a)corna.info>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pnp.h>
+#include <superio/conf_mode.h>
+#include <console/console.h>
+#include <stdlib.h>
+#include "f71808a.h"
+#include "fintek_internal.h"
+
+static void f71808a_init(struct device *dev)
+{
+ if (!dev->enabled)
+ return;
+
+ /* TODO: Might potentially need code for UART, GPIO... */
+ if (dev->path.pnp.device == F71808A_HWM) {
+ f71808a_multifunc_init(dev);
+ f71808a_hwm_init(dev);
+ }
+}
+
+static struct device_operations ops = {
+ .read_resources = pnp_read_resources,
+ .set_resources = pnp_set_resources,
+ .enable_resources = pnp_enable_resources,
+ .enable = pnp_alt_enable,
+ .init = f71808a_init,
+ .ops_pnp_mode = &pnp_conf_mode_8787_aa,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+ /* TODO: Some of the 0x07f8 etc. values may not be correct. */
+ { &ops, F71808A_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+ { &ops, F71808A_HWM, PNP_IO0 | PNP_IRQ0, {0x0ff8, 0}, },
+ { &ops, F71808A_KBC, PNP_IO0 | PNP_IRQ0 | PNP_IRQ1, {0x07ff, 0}, },
+ { &ops, F71808A_GPIO, PNP_IRQ0, },
+ { &ops, F71808A_WDT, },
+ { &ops, F71808A_CIR, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+ { &ops, F71808A_PME, },
+};
+
+static void enable_dev(struct device *dev)
+{
+ pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+}
+
+struct chip_operations superio_fintek_f71808a_ops = {
+ CHIP_NAME("Fintek F71808A Super I/O")
+ .enable_dev = enable_dev
+};
Subrata Banik (subrata.banik(a)intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18456
-gerrit
commit 7b93d552d3f72d8280647d470f68a03089decc74
Author: Barnali Sarkar <barnali.sarkar(a)intel.com>
Date: Wed Feb 22 18:43:43 2017 +0530
soc/intel/skylake: Use intel/common/block/systemagent code
Change-Id: Ib471ef3d3ae96b69e2bdfaf81554325d0393900d
Signed-off-by: Barnali Sarkar <barnali.sarkar(a)intel.com>
---
src/soc/intel/skylake/Kconfig | 1 +
src/soc/intel/skylake/Makefile.inc | 1 -
src/soc/intel/skylake/bootblock/systemagent.c | 43 ---------------------------
3 files changed, 1 insertion(+), 44 deletions(-)
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
index 01ffa9b..c656bed 100644
--- a/src/soc/intel/skylake/Kconfig
+++ b/src/soc/intel/skylake/Kconfig
@@ -50,6 +50,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_INTEL_COMMON
select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE
select SOC_INTEL_COMMON_BLOCK
+ select SOC_INTEL_COMMON_BLOCK_SA
select SOC_INTEL_COMMON_BLOCK_XHCI
select SOC_INTEL_COMMON_LPSS_I2C
select SOC_INTEL_COMMON_NHLT
diff --git a/src/soc/intel/skylake/Makefile.inc b/src/soc/intel/skylake/Makefile.inc
index 181e17b..dfda301 100644
--- a/src/soc/intel/skylake/Makefile.inc
+++ b/src/soc/intel/skylake/Makefile.inc
@@ -15,7 +15,6 @@ bootblock-y += bootblock/i2c.c
bootblock-y += bootblock/pch.c
bootblock-y += bootblock/report_platform.c
bootblock-y += bootblock/smbus.c
-bootblock-y += bootblock/systemagent.c
bootblock-y += flash_controller.c
bootblock-$(CONFIG_UART_DEBUG) += bootblock/uart.c
bootblock-$(CONFIG_UART_DEBUG) += uart_debug.c
diff --git a/src/soc/intel/skylake/bootblock/systemagent.c b/src/soc/intel/skylake/bootblock/systemagent.c
deleted file mode 100644
index e76d4d2..0000000
--- a/src/soc/intel/skylake/bootblock/systemagent.c
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Google Inc.
- * Copyright (C) 2015 Intel Corporation.
- * Copyright (C) 2016 Intel Corporation.
- *
- * 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.
- */
-
-#include <arch/io.h>
-#include <soc/bootblock.h>
-#include <soc/pci_devs.h>
-#include <soc/systemagent.h>
-
-void bootblock_systemagent_early_init(void)
-{
- uint32_t reg;
-
- /*
- * The "io" variant of the config access is explicitly used to
- * setup the PCIEXBAR because CONFIG_MMCONF_SUPPORT is set to
- * to true. That way all subsequent non-explicit config accesses use
- * MCFG. This code also assumes that bootblock_northbridge_init() is
- * the first thing called in the non-asm boot block code. The final
- * assumption is that no assembly code is using the
- * CONFIG_MMCONF_SUPPORT option to do PCI config acceses.
- *
- * The PCIEXBAR is assumed to live in the memory mapped IO space under
- * 4GiB.
- */
- reg = 0;
- pci_io_write_config32(SA_DEV_ROOT, PCIEXBAR + 4, reg);
- reg = CONFIG_MMCONF_BASE_ADDRESS | 4 | 1; /* 64MiB - 0-63 buses. */
- pci_io_write_config32(SA_DEV_ROOT, PCIEXBAR, reg);
-}
Subrata Banik (subrata.banik(a)intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18454
-gerrit
commit 73f5de599b67a7e939f9cb8823dc6a0504a398dd
Author: Subrata Banik <subrata.banik(a)intel.com>
Date: Sun Mar 5 13:19:42 2017 +0530
soc/intel/common/block: Add Intel common systemagent support[WIP]
Create common Intel systemagent code.
This code currently contains the SA initialization
required in Bootblock phase, which has the following programming-
* Set PCIEXBAR
* Clear TSEG register
More code will get added up in the subsequent phases.
Change-Id: Ib8a77aec8b20bafd4175048d442701250f1aa9c8
Signed-off-by: Barnali Sarkar <barnali.sarkar(a)intel.com>
Signed-off-by: Subrata Banik <subrata.banik(a)intel.com>
---
src/soc/intel/common/block/systemagent/Kconfig | 27 +++++++++++++++
.../intel/common/block/systemagent/Makefile.inc | 1 +
.../intel/common/block/systemagent/systemagent.c | 39 ++++++++++++++++++++++
3 files changed, 67 insertions(+)
diff --git a/src/soc/intel/common/block/systemagent/Kconfig b/src/soc/intel/common/block/systemagent/Kconfig
new file mode 100644
index 0000000..da0e980
--- /dev/null
+++ b/src/soc/intel/common/block/systemagent/Kconfig
@@ -0,0 +1,27 @@
+config SOC_INTEL_COMMON_BLOCK_SA
+ bool
+ help
+ Intel Processor common System Agent support
+
+config PCIEX_BASE_ADDRESS
+ hex
+ default 0xe0000000
+
+config SA_PCIEX_LENGTH
+ hex
+ default PCIEX_LENGTH_256MB if (SOC_INTEL_CAR_SMALL_CORE)
+ default PCIEX_LENGTH_64MB if (SOC_INTEL_CAR_BIG_CORE)
+ help
+ This option allows you to select length of PCIEX region.
+
+config PCIEX_LENGTH_256MB
+ hex
+ default 0x0
+
+config PCIEX_LENGTH_128MB
+ hex
+ default 0x2
+
+config PCIEX_LENGTH_64MB
+ hex
+ default 0x4
diff --git a/src/soc/intel/common/block/systemagent/Makefile.inc b/src/soc/intel/common/block/systemagent/Makefile.inc
new file mode 100644
index 0000000..75d5626
--- /dev/null
+++ b/src/soc/intel/common/block/systemagent/Makefile.inc
@@ -0,0 +1 @@
+bootblock-$(CONFIG_SOC_INTEL_COMMON_BLOCK_SA) += systemagent.c
diff --git a/src/soc/intel/common/block/systemagent/systemagent.c b/src/soc/intel/common/block/systemagent/systemagent.c
new file mode 100644
index 0000000..7c356f9
--- /dev/null
+++ b/src/soc/intel/common/block/systemagent/systemagent.c
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Intel Corporation.
+ *
+ * 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.
+ */
+
+#include <arch/io.h>
+#include <intelblocks/systemagent.h>
+
+void bootblock_systemagent_early_init(void)
+{
+ uint32_t reg;
+
+ /*
+ * The PCIEXBAR is assumed to live in the memory mapped IO space under
+ * 4GiB.
+ */
+ reg = 0;
+ pci_io_write_config32(SA_DEV_ROOT, PCIEXBAR + 4, reg);
+ reg = CONFIG_PCIEX_BASE_ADDRESS | CONFIG_SA_PCIEX_LENGTH | 1;
+ pci_io_write_config32(SA_DEV_ROOT, PCIEXBAR, reg);
+
+ /*
+ * Clear TSEG register - TSEG register comes out of reset with a
+ * non-zero default value. Clear this register to ensure that there are
+ * no surprises in CBMEM handling.
+ */
+ pci_io_write_config32(SA_DEV_ROOT, TSEG, 0);
+}
+