Intel NIC with parallel flash support.

Signed-off-by: Carl-Daniel Hailfinger <[email protected]>

--
http://www.hailfinger.org/

Index: flashrom-nicintel/Makefile
===================================================================
--- flashrom-nicintel/Makefile	(Revision 1295)
+++ flashrom-nicintel/Makefile	(Arbeitskopie)
@@ -193,6 +193,9 @@
 # Always enable Marvell SATA controllers for now.
 CONFIG_SATAMV ?= yes
 
+# Always enable Intel NICs for now.
+CONFIG_NICINTEL ?= yes
+
 # Disable wiki printing by default. It is only useful if you have wiki access.
 CONFIG_PRINT_WIKI ?= no
 
@@ -327,6 +330,12 @@
 NEED_PCI := yes
 endif
 
+ifeq ($(CONFIG_NICINTEL), yes)
+FEATURE_CFLAGS += -D'CONFIG_NICINTEL=1'
+PROGRAMMER_OBJS += nicintel.o
+NEED_PCI := yes
+endif
+
 ifeq ($(NEED_SERIAL), yes)
 LIB_OBJS += serial.o
 endif
Index: flashrom-nicintel/print_wiki.c
===================================================================
--- flashrom-nicintel/print_wiki.c	(Revision 1295)
+++ flashrom-nicintel/print_wiki.c	(Arbeitskopie)
@@ -307,6 +307,9 @@
 #if CONFIG_SATAMV == 1
 	print_supported_pcidevs_wiki(satas_mv);
 #endif
+#if CONFIG_NICINTEL == 1
+	print_supported_pcidevs_wiki(nics_intel);
+#endif
 	printf("\n|}\n");
 }
 
Index: flashrom-nicintel/nicintel_spi.c
===================================================================
--- flashrom-nicintel/nicintel_spi.c	(Revision 1295)
+++ flashrom-nicintel/nicintel_spi.c	(Arbeitskopie)
@@ -63,6 +63,7 @@
 const struct pcidev_status nics_intel_spi[] = {
 	{PCI_VENDOR_ID_INTEL, 0x105e, OK, "Intel", "82571EB Gigabit Ethernet Controller"},
 	{PCI_VENDOR_ID_INTEL, 0x107c, OK, "Intel", "82541PI Gigabit Ethernet Controller"},
+	{PCI_VENDOR_ID_INTEL, 0x10b6, NT, "Intel", "82598 10GbE PCI-Express Ethernet Controller"},
 	{PCI_VENDOR_ID_INTEL, 0x10b9, OK, "Intel", "82572EI Gigabit Ethernet Controller"},
 
 	{},
Index: flashrom-nicintel/nicintel.c
===================================================================
--- flashrom-nicintel/nicintel.c	(Revision 0)
+++ flashrom-nicintel/nicintel.c	(Revision 0)
@@ -0,0 +1,110 @@
+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright (C) 2011 Carl-Daniel Hailfinger
+ *
+ * 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.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/* Datasheet: http://download.intel.com/design/network/datashts/82559_Fast_Ethernet_Multifunction_PCI_Cardbus_Controller_Datasheet.pdf */
+
+#include <stdlib.h>
+#include "flash.h"
+#include "programmer.h"
+
+uint8_t *nicintel_bar;
+uint8_t *nicintel_control_bar;
+
+const struct pcidev_status nics_intel[] = {
+	{PCI_VENDOR_ID_INTEL, 0x1209, NT, "Intel", "8255xER/82551IT Fast Ethernet Controller"},
+	{PCI_VENDOR_ID_INTEL, 0x1229, NT, "Intel", "82557/8/9/0/1 Ethernet Pro 100"},
+
+	{},
+};
+
+/* Arbitrary limit, taken from the datasheet I just had lying around.
+ * 128 kByte on the 82559 device. Or not. Depends on whom you ask.
+ */
+#define NICINTEL_MEMMAP_SIZE (128 * 1024)
+#define NICINTEL_MEMMAP_MASK (NICINTEL_MEMMAP_SIZE - 1)
+
+#define CSR_FCR 0x0c
+
+int nicintel_init(void)
+{
+	uintptr_t addr;
+
+	/* Needed only for PCI accesses on some platforms.
+	 * FIXME: Refactor that into get_mem_perms/get_io_perms/get_pci_perms?
+	 */
+	get_io_perms();
+
+	/* No need to check for errors, pcidev_init() will not return in case
+	 * of errors.
+	 * FIXME: BAR2 is not available if the device uses the CardBus function.
+	 */
+	addr = pcidev_init(PCI_VENDOR_ID_INTEL, PCI_BASE_ADDRESS_2, nics_intel);
+
+	nicintel_bar = physmap("Intel NIC flash", addr, NICINTEL_MEMMAP_SIZE);
+	if (nicintel_bar == ERROR_PTR)
+		goto error_out;
+
+	/* FIXME: Using pcidev_dev _will_ cause pretty explosions in the future. */
+	addr = pcidev_validate(pcidev_dev, PCI_BASE_ADDRESS_0, nics_intel);
+	/* FIXME: This is not an aligned mapping. Use 4k? */
+	nicintel_control_bar = physmap("Intel NIC control/status reg", addr, 0x10);
+	if (nicintel_control_bar == ERROR_PTR)
+		goto error_out;
+
+	/* FIXME: This needs to be an auto-reversible write. */
+	/* FIXME: This register is pretty undocumented in all publicly available
+	 * documentation from Intel. Let me quote the complete info we have:
+	 * "Flash Control Register: The Flash Control register allows the CPU to
+	 *  enable writes to an external Flash. The Flash Control Register is a
+	 *  32-bit field that allows access to an external Flash device."
+	 * Ah yes, we also know where it is, but we have absolutely _no_ idea
+	 * what we should do with it. Write 0x0001 because we have nothing
+	 * better to do with our time.
+	 */
+	pci_mmio_writew(0x0001, nicintel_control_bar + CSR_FCR);
+
+	buses_supported = CHIP_BUSTYPE_PARALLEL;
+
+	max_rom_decode.parallel = NICINTEL_MEMMAP_SIZE;
+
+	return 0;
+
+error_out:
+	pci_cleanup(pacc);
+	release_io_perms();
+	return 1;
+}
+
+int nicintel_shutdown(void)
+{
+	physunmap(nicintel_bar, NICINTEL_MEMMAP_SIZE);
+	pci_cleanup(pacc);
+	release_io_perms();
+	return 0;
+}
+
+void nicintel_chip_writeb(uint8_t val, chipaddr addr)
+{
+	pci_mmio_writeb(val, nicintel_bar + (addr & NICINTEL_MEMMAP_MASK));
+}
+
+uint8_t nicintel_chip_readb(const chipaddr addr)
+{
+	return pci_mmio_readb(nicintel_bar + (addr & NICINTEL_MEMMAP_MASK));
+}
Index: flashrom-nicintel/flashrom.c
===================================================================
--- flashrom-nicintel/flashrom.c	(Revision 1295)
+++ flashrom-nicintel/flashrom.c	(Arbeitskopie)
@@ -52,7 +52,7 @@
  * if more than one of them is selected. If only one is selected, it is clear
  * that the user wants that one to become the default.
  */
-#if CONFIG_NIC3COM+CONFIG_NICREALTEK+CONFIG_NICNATSEMI+CONFIG_GFXNVIDIA+CONFIG_DRKAISER+CONFIG_SATASII+CONFIG_ATAHPT+CONFIG_FT2232_SPI+CONFIG_SERPROG+CONFIG_BUSPIRATE_SPI+CONFIG_DEDIPROG+CONFIG_RAYER_SPI+CONFIG_NICINTEL_SPI+CONFIG_OGP_SPI+CONFIG_SATAMV > 1
+#if CONFIG_NIC3COM+CONFIG_NICREALTEK+CONFIG_NICNATSEMI+CONFIG_GFXNVIDIA+CONFIG_DRKAISER+CONFIG_SATASII+CONFIG_ATAHPT+CONFIG_FT2232_SPI+CONFIG_SERPROG+CONFIG_BUSPIRATE_SPI+CONFIG_DEDIPROG+CONFIG_RAYER_SPI+CONFIG_NICINTEL_SPI+CONFIG_OGP_SPI+CONFIG_SATAMV+CONFIG_NICINTEL > 1
 #error Please enable either CONFIG_DUMMY or CONFIG_INTERNAL or disable support for all programmers except one.
 #endif
 enum programmer programmer =
@@ -101,6 +101,9 @@
 #if CONFIG_SATAMV == 1
 	PROGRAMMER_SATAMV
 #endif
+#if CONFIG_NICINTEL == 1
+	PROGRAMMER_NICINTEL
+#endif
 ;
 #endif
 
@@ -447,6 +450,25 @@
 	},
 #endif
 
+#if CONFIG_NICINTEL == 1
+	{
+		.name			= "nicintel",
+		.init			= nicintel_init,
+		.shutdown		= nicintel_shutdown,
+		.map_flash_region	= fallback_map,
+		.unmap_flash_region	= fallback_unmap,
+		.chip_readb		= nicintel_chip_readb,
+		.chip_readw		= fallback_chip_readw,
+		.chip_readl		= fallback_chip_readl,
+		.chip_readn		= fallback_chip_readn,
+		.chip_writeb		= nicintel_chip_writeb,
+		.chip_writew		= fallback_chip_writew,
+		.chip_writel		= fallback_chip_writel,
+		.chip_writen		= fallback_chip_writen,
+		.delay			= internal_delay,
+	},
+#endif
+
 	{}, /* This entry corresponds to PROGRAMMER_INVALID. */
 };
 
Index: flashrom-nicintel/programmer.h
===================================================================
--- flashrom-nicintel/programmer.h	(Revision 1295)
+++ flashrom-nicintel/programmer.h	(Arbeitskopie)
@@ -76,6 +76,9 @@
 #if CONFIG_SATAMV == 1
 	PROGRAMMER_SATAMV,
 #endif
+#if CONFIG_NICINTEL == 1
+	PROGRAMMER_NICINTEL,
+#endif
 	PROGRAMMER_INVALID /* This must always be the last entry. */
 };
 
@@ -446,6 +449,15 @@
 extern const struct pcidev_status satas_mv[];
 #endif
 
+/* nicintel.c */
+#if CONFIG_NICINTEL == 1
+int nicintel_init(void);
+int nicintel_shutdown(void);
+void nicintel_chip_writeb(uint8_t val, chipaddr addr);
+uint8_t nicintel_chip_readb(const chipaddr addr);
+extern const struct pcidev_status nics_intel[];
+#endif
+
 /* satasii.c */
 #if CONFIG_SATASII == 1
 int satasii_init(void);
Index: flashrom-nicintel/print.c
===================================================================
--- flashrom-nicintel/print.c	(Revision 1295)
+++ flashrom-nicintel/print.c	(Arbeitskopie)
@@ -319,6 +319,11 @@
 	       programmer_table[PROGRAMMER_SATAMV].name);
 	print_supported_pcidevs(satas_mv);
 #endif
+#if CONFIG_NICINTEL == 1
+	printf("\nSupported devices for the %s programmer:\n",
+	       programmer_table[PROGRAMMER_NICINTEL].name);
+	print_supported_pcidevs(nics_intel);
+#endif
 }
 
 #if CONFIG_INTERNAL == 1
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