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Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0002-southbridge-amd-sb700-Allow-use-of-auxiliary-SMBUS-c.patch')
-rw-r--r--resources/libreboot/patch/kgpe-d16/0002-southbridge-amd-sb700-Allow-use-of-auxiliary-SMBUS-c.patch215
1 files changed, 0 insertions, 215 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0002-southbridge-amd-sb700-Allow-use-of-auxiliary-SMBUS-c.patch b/resources/libreboot/patch/kgpe-d16/0002-southbridge-amd-sb700-Allow-use-of-auxiliary-SMBUS-c.patch
deleted file mode 100644
index b5f03ebb..00000000
--- a/resources/libreboot/patch/kgpe-d16/0002-southbridge-amd-sb700-Allow-use-of-auxiliary-SMBUS-c.patch
+++ /dev/null
@@ -1,215 +0,0 @@
-From c3691fe7c155d63baedbb1836e6ccf9c1fcb5846 Mon Sep 17 00:00:00 2001
-From: Timothy Pearson <tpearson@raptorengineeringinc.com>
-Date: Sat, 17 Oct 2015 04:36:47 -0500
-Subject: [PATCH 002/143] southbridge/amd/sb700: Allow use of auxiliary SMBUS
- controller
-
-Change-Id: I29ece10eeefc2c75a3829c169f1e1aede7194ec2
-Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
----
- src/device/Kconfig | 4 ++++
- src/include/device/smbus.h | 5 ++++
- src/southbridge/amd/sb700/Kconfig | 1 +
- src/southbridge/amd/sb700/sm.c | 47 ++++++++++++++++++++++++++++++-------
- src/southbridge/amd/sb700/smbus.c | 15 ++++++++++++
- src/southbridge/amd/sb700/smbus.h | 5 ++--
- 6 files changed, 66 insertions(+), 11 deletions(-)
-
-diff --git a/src/device/Kconfig b/src/device/Kconfig
-index 613461b..bcf7dad 100644
---- a/src/device/Kconfig
-+++ b/src/device/Kconfig
-@@ -192,6 +192,10 @@ config MULTIPLE_VGA_ADAPTERS
- bool
- default n
-
-+config SMBUS_HAS_AUX_CHANNELS
-+ bool
-+ default n
-+
- config SPD_CACHE
- bool
- default n
-diff --git a/src/include/device/smbus.h b/src/include/device/smbus.h
-index 073d7e2..a838f55 100644
---- a/src/include/device/smbus.h
-+++ b/src/include/device/smbus.h
-@@ -47,4 +47,9 @@ int smbus_process_call(device_t dev, u8 cmd, u16 data);
- int smbus_block_read(device_t dev, u8 cmd, u8 bytes, u8 *buffer);
- int smbus_block_write(device_t dev, u8 cmd, u8 bytes, const u8 *buffer);
-
-+#if IS_ENABLED(CONFIG_SMBUS_HAS_AUX_CHANNELS)
-+void smbus_switch_to_aux_channel(uint8_t aux_channel_number);
-+uint8_t smbus_current_aux_channel(void);
-+#endif
-+
- #endif /* DEVICE_SMBUS_H */
-diff --git a/src/southbridge/amd/sb700/Kconfig b/src/southbridge/amd/sb700/Kconfig
-index 42ca2bb..0761934 100644
---- a/src/southbridge/amd/sb700/Kconfig
-+++ b/src/southbridge/amd/sb700/Kconfig
-@@ -27,6 +27,7 @@ config SOUTHBRIDGE_SPECIFIC_OPTIONS # dummy
- select IOAPIC
- select HAVE_USBDEBUG_OPTIONS
- select HAVE_HARD_RESET
-+ select SMBUS_HAS_AUX_CHANNELS
-
- # Set for southbridge SP5100 which also uses SB700 driver
- config SOUTHBRIDGE_AMD_SUBTYPE_SP5100
-diff --git a/src/southbridge/amd/sb700/sm.c b/src/southbridge/amd/sb700/sm.c
-index f544c88..598ebec 100644
---- a/src/southbridge/amd/sb700/sm.c
-+++ b/src/southbridge/amd/sb700/sm.c
-@@ -40,6 +40,11 @@
- #define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
- #endif
-
-+#define PRIMARY_SMBUS_RESOURCE_NUMBER 0x90
-+#define AUXILIARY_SMBUS_RESOURCE_NUMBER 0x58
-+
-+uint8_t smbus_use_aux = 0;
-+
- /*
- * SB700 enables all USB controllers by default in SMBUS Control.
- * SB700 enables SATA by default in SMBUS Control.
-@@ -312,7 +317,10 @@ static int lsmbus_recv_byte(device_t dev)
- device = dev->path.i2c.device;
- pbus = get_pbus_smbus(dev);
-
-- res = find_resource(pbus->dev, 0x90);
-+ if (!smbus_use_aux)
-+ res = find_resource(pbus->dev, PRIMARY_SMBUS_RESOURCE_NUMBER);
-+ else
-+ res = find_resource(pbus->dev, AUXILIARY_SMBUS_RESOURCE_NUMBER);
-
- return do_smbus_recv_byte(res->base, device);
- }
-@@ -326,7 +334,10 @@ static int lsmbus_send_byte(device_t dev, u8 val)
- device = dev->path.i2c.device;
- pbus = get_pbus_smbus(dev);
-
-- res = find_resource(pbus->dev, 0x90);
-+ if (!smbus_use_aux)
-+ res = find_resource(pbus->dev, PRIMARY_SMBUS_RESOURCE_NUMBER);
-+ else
-+ res = find_resource(pbus->dev, AUXILIARY_SMBUS_RESOURCE_NUMBER);
-
- return do_smbus_send_byte(res->base, device, val);
- }
-@@ -340,7 +351,10 @@ static int lsmbus_read_byte(device_t dev, u8 address)
- device = dev->path.i2c.device;
- pbus = get_pbus_smbus(dev);
-
-- res = find_resource(pbus->dev, 0x90);
-+ if (!smbus_use_aux)
-+ res = find_resource(pbus->dev, PRIMARY_SMBUS_RESOURCE_NUMBER);
-+ else
-+ res = find_resource(pbus->dev, AUXILIARY_SMBUS_RESOURCE_NUMBER);
-
- return do_smbus_read_byte(res->base, device, address);
- }
-@@ -354,7 +368,10 @@ static int lsmbus_write_byte(device_t dev, u8 address, u8 val)
- device = dev->path.i2c.device;
- pbus = get_pbus_smbus(dev);
-
-- res = find_resource(pbus->dev, 0x90);
-+ if (!smbus_use_aux)
-+ res = find_resource(pbus->dev, PRIMARY_SMBUS_RESOURCE_NUMBER);
-+ else
-+ res = find_resource(pbus->dev, AUXILIARY_SMBUS_RESOURCE_NUMBER);
-
- return do_smbus_write_byte(res->base, device, address, val);
- }
-@@ -393,9 +410,18 @@ static void sb700_sm_read_resources(device_t dev)
-
- /* dev->command |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; */
-
-- /* smbus */
-- res = new_resource(dev, 0x90);
-- res->base = 0xB00;
-+ /* primary smbus */
-+ res = new_resource(dev, PRIMARY_SMBUS_RESOURCE_NUMBER);
-+ res->base = SMBUS_IO_BASE;
-+ res->size = 0x10;
-+ res->limit = 0xFFFFUL; /* res->base + res->size -1; */
-+ res->align = 8;
-+ res->gran = 8;
-+ res->flags = IORESOURCE_IO | IORESOURCE_FIXED | IORESOURCE_RESERVE | IORESOURCE_ASSIGNED;
-+
-+ /* auxiliary smbus */
-+ res = new_resource(dev, AUXILIARY_SMBUS_RESOURCE_NUMBER);
-+ res->base = SMBUS_AUX_IO_BASE;
- res->size = 0x10;
- res->limit = 0xFFFFUL; /* res->base + res->size -1; */
- res->align = 8;
-@@ -439,8 +465,11 @@ static void sb700_sm_set_resources(struct device *dev)
- pci_write_config8(dev, 0x65, byte);
- /* TODO: End of test hpet */
-
-- res = find_resource(dev, 0x90);
-- pci_write_config32(dev, 0x90, res->base | 1);
-+ res = find_resource(dev, PRIMARY_SMBUS_RESOURCE_NUMBER);
-+ pci_write_config32(dev, PRIMARY_SMBUS_RESOURCE_NUMBER, res->base | 1);
-+
-+ res = find_resource(dev, AUXILIARY_SMBUS_RESOURCE_NUMBER);
-+ pci_write_config32(dev, AUXILIARY_SMBUS_RESOURCE_NUMBER, res->base | 1);
- }
-
- static struct pci_operations lops_pci = {
-diff --git a/src/southbridge/amd/sb700/smbus.c b/src/southbridge/amd/sb700/smbus.c
-index 94f5e24..e1cfe6b 100644
---- a/src/southbridge/amd/sb700/smbus.c
-+++ b/src/southbridge/amd/sb700/smbus.c
-@@ -22,6 +22,11 @@
-
- #include "smbus.h"
-
-+extern uint8_t smbus_use_aux;
-+
-+void smbus_switch_to_aux_channel(uint8_t aux_channel_number);
-+uint8_t smbus_current_aux_channel(void);
-+
- void alink_ab_indx(u32 reg_space, u32 reg_addr, u32 mask, u32 val)
- {
- u32 tmp;
-@@ -216,4 +221,14 @@ int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address, u8 val)
- return 0;
- }
-
-+void smbus_switch_to_aux_channel(uint8_t aux_channel_number)
-+{
-+ smbus_use_aux = (aux_channel_number != 0);
-+}
-+
-+uint8_t smbus_current_aux_channel(void)
-+{
-+ return smbus_use_aux;
-+}
-+
- #endif
-diff --git a/src/southbridge/amd/sb700/smbus.h b/src/southbridge/amd/sb700/smbus.h
-index d223fe7..34b4098 100644
---- a/src/southbridge/amd/sb700/smbus.h
-+++ b/src/southbridge/amd/sb700/smbus.h
-@@ -2,6 +2,7 @@
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2010 Advanced Micro Devices, Inc.
-+ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
- *
- * 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
-@@ -24,8 +25,8 @@
- #include "stddef.h"
- #include <arch/io.h>
-
--#define SMBUS_IO_BASE 0x6000 /* Is it a temporary SMBus I/O base address? */
-- /*SIZE 0x40 */
-+#define SMBUS_IO_BASE 0xb00
-+#define SMBUS_AUX_IO_BASE 0xb20
-
- #define SMBHSTSTAT 0x0
- #define SMBSLVSTAT 0x1
---
-1.7.9.5
-
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2025-01-08 19:10:55 +0000