Author: hailfinger
Date: Sun May  8 02:24:18 2011
New Revision: 1297
URL: http://flashrom.org/trac/flashrom/changeset/1297

Log:
Intel NIC with parallel flash support.

Signed-off-by: Carl-Daniel Hailfinger <[email protected]>
Tested-by: Anton Kochkov <[email protected]>
Acked-by: Anton Kochkov <[email protected]>
Tested-by: Maciej Pijanka <[email protected]>

Added:
   trunk/nicintel.c
Modified:
   trunk/Makefile
   trunk/flashrom.c
   trunk/print.c
   trunk/print_wiki.c
   trunk/programmer.h

Modified: trunk/Makefile
==============================================================================
--- trunk/Makefile      Sat May  7 21:19:36 2011        (r1296)
+++ trunk/Makefile      Sun May  8 02:24:18 2011        (r1297)
@@ -178,6 +178,9 @@
 # Disable National Semiconductor NICs until support is complete and tested.
 CONFIG_NICNATSEMI ?= no
 
+# Always enable Intel NICs for now.
+CONFIG_NICINTEL ?= yes
+
 # Always enable SPI on Intel NICs for now.
 CONFIG_NICINTEL_SPI ?= yes
 
@@ -297,6 +300,12 @@
 NEED_PCI := yes
 endif
 
+ifeq ($(CONFIG_NICINTEL), yes)
+FEATURE_CFLAGS += -D'CONFIG_NICINTEL=1'
+PROGRAMMER_OBJS += nicintel.o
+NEED_PCI := yes
+endif
+
 ifeq ($(CONFIG_NICINTEL_SPI), yes)
 FEATURE_CFLAGS += -D'CONFIG_NICINTEL_SPI=1'
 PROGRAMMER_OBJS += nicintel_spi.o

Modified: trunk/flashrom.c
==============================================================================
--- trunk/flashrom.c    Sat May  7 21:19:36 2011        (r1296)
+++ trunk/flashrom.c    Sun May  8 02:24:18 2011        (r1297)
@@ -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+CONFIG_NICINTEL_SPI+CONFIG_OGP_SPI+CONFIG_SATAMV
 > 1
 #error Please enable either CONFIG_DUMMY or CONFIG_INTERNAL or disable support 
for all programmers except one.
 #endif
 enum programmer programmer =
@@ -92,6 +92,9 @@
 #if CONFIG_RAYER_SPI == 1
        PROGRAMMER_RAYER_SPI
 #endif
+#if CONFIG_NICINTEL == 1
+       PROGRAMMER_NICINTEL
+#endif
 #if CONFIG_NICINTEL_SPI == 1
        PROGRAMMER_NICINTEL_SPI
 #endif
@@ -386,6 +389,25 @@
                .chip_writew            = fallback_chip_writew,
                .chip_writel            = fallback_chip_writel,
                .chip_writen            = fallback_chip_writen,
+               .delay                  = internal_delay,
+       },
+#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

Added: trunk/nicintel.c
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ trunk/nicintel.c    Sun May  8 02:24:18 2011        (r1297)
@@ -0,0 +1,109 @@
+/*
+ * 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_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 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_rmmio_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));
+}

Modified: trunk/print.c
==============================================================================
--- trunk/print.c       Sat May  7 21:19:36 2011        (r1296)
+++ trunk/print.c       Sun May  8 02:24:18 2011        (r1297)
@@ -304,6 +304,11 @@
        /* FIXME */
        printf("RayeR parallel port programmer\n");
 #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_NICINTEL_SPI == 1
        printf("\nSupported devices for the %s programmer:\n",
               programmer_table[PROGRAMMER_NICINTEL_SPI].name);

Modified: trunk/print_wiki.c
==============================================================================
--- trunk/print_wiki.c  Sat May  7 21:19:36 2011        (r1296)
+++ trunk/print_wiki.c  Sun May  8 02:24:18 2011        (r1297)
@@ -247,7 +247,7 @@
 }
 
 /* Not needed for CONFIG_INTERNAL, but for all other PCI-based programmers. */
-#if 
CONFIG_NIC3COM+CONFIG_NICREALTEK+CONFIG_NICNATSEMI+CONFIG_GFXNVIDIA+CONFIG_DRKAISER+CONFIG_SATASII+CONFIG_ATAHPT+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_NICINTEL+CONFIG_NICINTEL_SPI+CONFIG_OGP_SPI+CONFIG_SATAMV
 >= 1
 static void print_supported_pcidevs_wiki(const struct pcidev_status *devs)
 {
        int i = 0;
@@ -298,6 +298,9 @@
 #if CONFIG_ATAHPT == 1
        print_supported_pcidevs_wiki(ata_hpt);
 #endif
+#if CONFIG_NICINTEL == 1
+       print_supported_pcidevs_wiki(nics_intel);
+#endif
 #if CONFIG_NICINTEL_SPI == 1
        print_supported_pcidevs_wiki(nics_intel_spi);
 #endif

Modified: trunk/programmer.h
==============================================================================
--- trunk/programmer.h  Sat May  7 21:19:36 2011        (r1296)
+++ trunk/programmer.h  Sun May  8 02:24:18 2011        (r1297)
@@ -67,6 +67,9 @@
 #if CONFIG_RAYER_SPI == 1
        PROGRAMMER_RAYER_SPI,
 #endif
+#if CONFIG_NICINTEL == 1
+       PROGRAMMER_NICINTEL,
+#endif
 #if CONFIG_NICINTEL_SPI == 1
        PROGRAMMER_NICINTEL_SPI,
 #endif
@@ -232,7 +235,7 @@
 #endif
 
 /* print.c */
-#if 
CONFIG_NIC3COM+CONFIG_NICREALTEK+CONFIG_NICNATSEMI+CONFIG_GFXNVIDIA+CONFIG_DRKAISER+CONFIG_SATASII+CONFIG_ATAHPT+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_NICINTEL+CONFIG_NICINTEL_SPI+CONFIG_OGP_SPI+CONFIG_SATAMV
 >= 1
 void print_supported_pcidevs(const struct pcidev_status *devs);
 #endif
 
@@ -420,6 +423,15 @@
 extern const struct pcidev_status nics_natsemi[];
 #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
+
 /* nicintel_spi.c */
 #if CONFIG_NICINTEL_SPI == 1
 int nicintel_spi_init(void);

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