diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/quark/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/soc/intel/quark/uart.c | 42 | ||||
| -rw-r--r-- | src/soc/intel/quark/uart_common.c | 29 |
3 files changed, 58 insertions, 16 deletions
diff --git a/src/soc/intel/quark/Makefile.inc b/src/soc/intel/quark/Makefile.inc index f107fdf6c6..90398d2c13 100644 --- a/src/soc/intel/quark/Makefile.inc +++ b/src/soc/intel/quark/Makefile.inc @@ -20,12 +20,13 @@ subdirs-y += ../../../cpu/x86/tsc romstage-y += memmap.c romstage-y += tsc_freq.c -romstage-$(CONFIG_ENABLE_BUILTIN_HSUART1) += uart.c +romstage-$(CONFIG_ENABLE_BUILTIN_HSUART1) += uart_common.c ramstage-y += chip.c ramstage-y += memmap.c ramstage-y += northcluster.c ramstage-y += tsc_freq.c +ramstage-$(CONFIG_ENABLE_BUILTIN_HSUART1) += uart_common.c ramstage-$(CONFIG_ENABLE_BUILTIN_HSUART1) += uart.c CPPFLAGS_common += -I$(src)/soc/intel/quark diff --git a/src/soc/intel/quark/uart.c b/src/soc/intel/quark/uart.c index 2b5b398143..b97fceafee 100644 --- a/src/soc/intel/quark/uart.c +++ b/src/soc/intel/quark/uart.c @@ -15,26 +15,38 @@ * GNU General Public License for more details. */ -// Use simple device model for this file even in ramstage -#define __SIMPLE_DEVICE__ - #include <console/uart.h> #include <device/pci.h> #include <device/pci_def.h> -#include <rules.h> -#include <soc/pci_devs.h> +#include <device/pci_ids.h> -unsigned int uart_platform_refclk(void) +static void uart_read_resources(device_t dev) { - return 44236800; -} + struct resource *res; -uintptr_t uart_platform_base(int idx) -{ - /* HSUART controller #1 (B0:D20:F5). */ - device_t dev = PCI_DEV(0, HSUART1_DEV, HSUART1_FUNC); + /* Read the resources */ + pci_dev_read_resources(dev); - /* UART base address at BAR0(offset 0x10). */ - return (unsigned int) (pci_read_config32(dev, - PCI_BASE_ADDRESS_0) & ~0xfff); + /* Set the debug port configuration */ + res = find_resource(dev, PCI_BASE_ADDRESS_0); + res->base = uart_platform_base(CONFIG_UART_FOR_CONSOLE); + res->size = 0x100; + res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED; } + +static struct device_operations device_ops = { + .read_resources = &uart_read_resources, + .set_resources = &pci_dev_set_resources, + .enable_resources = &pci_dev_enable_resources, +}; + +static const unsigned short uart_ids[] = { + 0x0936, /* HSUART0, HSUART1 */ + 0 +}; + +static const struct pci_driver uart_driver __pci_driver = { + .ops = &device_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .devices = uart_ids, +}; diff --git a/src/soc/intel/quark/uart_common.c b/src/soc/intel/quark/uart_common.c new file mode 100644 index 0000000000..4408d878f5 --- /dev/null +++ b/src/soc/intel/quark/uart_common.c @@ -0,0 +1,29 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2003 Eric Biederman + * Copyright (C) 2006-2010 coresystems GmbH + * Copyright (C) 2015-2016 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 <console/uart.h> +#include <soc/iomap.h> + +unsigned int uart_platform_refclk(void) +{ + return 44236800; +} + +uintptr_t uart_platform_base(int idx) +{ + return UART_BASE_ADDRESS; +} |