From 244848462def7075e0c812a2f71c408668cacfe4 Mon Sep 17 00:00:00 2001 From: Marc Jones Date: Thu, 4 May 2017 21:17:45 -0600 Subject: soc: Add AMD Stoney Ridge southbridge code Copy the Hudson/Kern code from southbridge/amd/pi/hudson. This is the first of a series of patches to migrate Stoney Ridge support from cpu, northbridge, and southbridge to soc/ Changes: - add soc/amd/stoneyridge and soc/amd/common - remove all other Husdon versions - update include paths, etc - clean up Kconfig and Makefile - create chip.c to contain chip_ops Change-Id: Ib88a868e654ad127be70ecc506f6b90b784f8d1b Signed-off-by: Marc Jones Reviewed-on: https://review.coreboot.org/19722 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- src/soc/amd/stoneyridge/sm.c | 135 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) create mode 100644 src/soc/amd/stoneyridge/sm.c (limited to 'src/soc/amd/stoneyridge/sm.c') diff --git a/src/soc/amd/stoneyridge/sm.c b/src/soc/amd/stoneyridge/sm.c new file mode 100644 index 0000000000..421151af97 --- /dev/null +++ b/src/soc/amd/stoneyridge/sm.c @@ -0,0 +1,135 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define NMI_OFF 0 + +#define MAINBOARD_POWER_OFF 0 +#define MAINBOARD_POWER_ON 1 + +#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL +#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON +#endif + +/* +* HUDSON enables all USB controllers by default in SMBUS Control. +* HUDSON enables SATA by default in SMBUS Control. +*/ + +static void sm_init(device_t dev) +{ + setup_ioapic(VIO_APIC_VADDR, CONFIG_MAX_CPUS); +} + +static int lsmbus_recv_byte(device_t dev) +{ + u32 device; + struct resource *res; + struct bus *pbus; + + device = dev->path.i2c.device; + pbus = get_pbus_smbus(dev); + + res = find_resource(pbus->dev, 0x90); + + return do_smbus_recv_byte(res->base, device); +} + +static int lsmbus_send_byte(device_t dev, u8 val) +{ + u32 device; + struct resource *res; + struct bus *pbus; + + device = dev->path.i2c.device; + pbus = get_pbus_smbus(dev); + + res = find_resource(pbus->dev, 0x90); + + return do_smbus_send_byte(res->base, device, val); +} + +static int lsmbus_read_byte(device_t dev, u8 address) +{ + u32 device; + struct resource *res; + struct bus *pbus; + + device = dev->path.i2c.device; + pbus = get_pbus_smbus(dev); + + res = find_resource(pbus->dev, 0x90); + + return do_smbus_read_byte(res->base, device, address); +} + +static int lsmbus_write_byte(device_t dev, u8 address, u8 val) +{ + u32 device; + struct resource *res; + struct bus *pbus; + + device = dev->path.i2c.device; + pbus = get_pbus_smbus(dev); + + res = find_resource(pbus->dev, 0x90); + + return do_smbus_write_byte(res->base, device, address, val); +} +static struct smbus_bus_operations lops_smbus_bus = { + .recv_byte = lsmbus_recv_byte, + .send_byte = lsmbus_send_byte, + .read_byte = lsmbus_read_byte, + .write_byte = lsmbus_write_byte, +}; + +static void hudson_sm_read_resources(device_t dev) +{ +} + +static void hudson_sm_set_resources(struct device *dev) +{ +} + +static struct pci_operations lops_pci = { + .set_subsystem = pci_dev_set_subsystem, +}; +static struct device_operations smbus_ops = { + .read_resources = hudson_sm_read_resources, + .set_resources = hudson_sm_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = sm_init, + .scan_bus = scan_smbus, + .ops_pci = &lops_pci, + .ops_smbus_bus = &lops_smbus_bus, +}; +static const struct pci_driver smbus_driver __pci_driver = { + .ops = &smbus_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_AMD_SB900_SM, +}; -- cgit v1.2.3