Author: uwe
Date: 2009-10-07 16:36:16 +0200 (Wed, 07 Oct 2009)
New Revision: 4731

Added:
   trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530_enable_rom.c
Modified:
   trunk/coreboot-v2/src/mainboard/advantech/pcm-5820/auto.c
   trunk/coreboot-v2/src/mainboard/asi/mb_5blgp/auto.c
   trunk/coreboot-v2/src/mainboard/asi/mb_5blmp/auto.c
   trunk/coreboot-v2/src/mainboard/axus/tc320/auto.c
   trunk/coreboot-v2/src/mainboard/bcom/winnet100/auto.c
   trunk/coreboot-v2/src/mainboard/eaglelion/5bcm/auto.c
   trunk/coreboot-v2/src/mainboard/iei/juki-511p/auto.c
   trunk/coreboot-v2/src/mainboard/iei/nova4899r/auto.c
   trunk/coreboot-v2/src/mainboard/televideo/tc7020/auto.c
   trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530.h
   trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530_isa.c
Log:
Enable full ROM access on AMD CS5530(A) (needed for CBFS).

Signed-off-by: Uwe Hermann <[email protected]>
Acked-by: Patrick Georgi <[email protected]>



Modified: trunk/coreboot-v2/src/mainboard/advantech/pcm-5820/auto.c
===================================================================
--- trunk/coreboot-v2/src/mainboard/advantech/pcm-5820/auto.c   2009-10-07 
14:13:36 UTC (rev 4730)
+++ trunk/coreboot-v2/src/mainboard/advantech/pcm-5820/auto.c   2009-10-07 
14:36:16 UTC (rev 4731)
@@ -31,6 +31,7 @@
 #include "northbridge/amd/gx1/raminit.c"
 #include "cpu/x86/bist.h"
 #include "superio/winbond/w83977f/w83977f_early_serial.c"
+#include "southbridge/amd/cs5530/cs5530_enable_rom.c"
 
 #define SERIAL_DEV PNP_DEV(0x3f0, W83977F_SP1)
 
@@ -40,6 +41,7 @@
        uart_init();
        console_init();
        report_bist_failure(bist);
+       cs5530_enable_rom();
        sdram_init();
        /* ram_check(0, 640 * 1024); */
 }

Modified: trunk/coreboot-v2/src/mainboard/asi/mb_5blgp/auto.c
===================================================================
--- trunk/coreboot-v2/src/mainboard/asi/mb_5blgp/auto.c 2009-10-07 14:13:36 UTC 
(rev 4730)
+++ trunk/coreboot-v2/src/mainboard/asi/mb_5blgp/auto.c 2009-10-07 14:36:16 UTC 
(rev 4731)
@@ -31,6 +31,7 @@
 #include "northbridge/amd/gx1/raminit.c"
 #include "cpu/x86/bist.h"
 #include "superio/nsc/pc87351/pc87351_early_serial.c"
+#include "southbridge/amd/cs5530/cs5530_enable_rom.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, PC87351_SP1)
 
@@ -40,6 +41,7 @@
        uart_init();
        console_init();
        report_bist_failure(bist);
+       cs5530_enable_rom();
        sdram_init();
        /* ram_check(0, 640 * 1024); */
 }

Modified: trunk/coreboot-v2/src/mainboard/asi/mb_5blmp/auto.c
===================================================================
--- trunk/coreboot-v2/src/mainboard/asi/mb_5blmp/auto.c 2009-10-07 14:13:36 UTC 
(rev 4730)
+++ trunk/coreboot-v2/src/mainboard/asi/mb_5blmp/auto.c 2009-10-07 14:36:16 UTC 
(rev 4731)
@@ -32,6 +32,7 @@
 #include "northbridge/amd/gx1/raminit.c"
 #include "superio/nsc/pc87351/pc87351_early_serial.c"
 #include "cpu/x86/bist.h"
+#include "southbridge/amd/cs5530/cs5530_enable_rom.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, PC87351_SP1)
 
@@ -45,6 +46,8 @@
        /* Halt if there was a built in self test failure. */
        report_bist_failure(bist);
 
+       cs5530_enable_rom();
+
        /* Initialize RAM. */
        sdram_init();
 

Modified: trunk/coreboot-v2/src/mainboard/axus/tc320/auto.c
===================================================================
--- trunk/coreboot-v2/src/mainboard/axus/tc320/auto.c   2009-10-07 14:13:36 UTC 
(rev 4730)
+++ trunk/coreboot-v2/src/mainboard/axus/tc320/auto.c   2009-10-07 14:36:16 UTC 
(rev 4731)
@@ -32,6 +32,7 @@
 #include "northbridge/amd/gx1/raminit.c"
 #include "superio/nsc/pc97317/pc97317_early_serial.c"
 #include "cpu/x86/bist.h"
+#include "southbridge/amd/cs5530/cs5530_enable_rom.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, PC97317_SP1)
 
@@ -41,6 +42,7 @@
        uart_init();
        console_init();
        report_bist_failure(bist);
+       cs5530_enable_rom();
        sdram_init();
        /* ram_check(0, 640 * 1024); */
 }

Modified: trunk/coreboot-v2/src/mainboard/bcom/winnet100/auto.c
===================================================================
--- trunk/coreboot-v2/src/mainboard/bcom/winnet100/auto.c       2009-10-07 
14:13:36 UTC (rev 4730)
+++ trunk/coreboot-v2/src/mainboard/bcom/winnet100/auto.c       2009-10-07 
14:36:16 UTC (rev 4731)
@@ -32,6 +32,7 @@
 #include "northbridge/amd/gx1/raminit.c"
 #include "superio/nsc/pc97317/pc97317_early_serial.c"
 #include "cpu/x86/bist.h"
+#include "southbridge/amd/cs5530/cs5530_enable_rom.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, PC97317_SP1)
 
@@ -45,6 +46,8 @@
        /* Halt if there was a built in self test failure. */
        report_bist_failure(bist);
 
+       cs5530_enable_rom();
+
        /* Initialize RAM. */
        sdram_init();
 

Modified: trunk/coreboot-v2/src/mainboard/eaglelion/5bcm/auto.c
===================================================================
--- trunk/coreboot-v2/src/mainboard/eaglelion/5bcm/auto.c       2009-10-07 
14:13:36 UTC (rev 4730)
+++ trunk/coreboot-v2/src/mainboard/eaglelion/5bcm/auto.c       2009-10-07 
14:36:16 UTC (rev 4731)
@@ -14,6 +14,7 @@
 #include "superio/nsc/pc97317/pc97317_early_serial.c"
 //#include "northbridge/intel/i440bx/raminit.h"
 #include "cpu/x86/bist.h"
+#include "southbridge/amd/cs5530/cs5530_enable_rom.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, PC97317_SP1)
 
@@ -30,6 +31,8 @@
        /* Halt if there was a built in self test failure */
        report_bist_failure(bist);
        
+       cs5530_enable_rom();
+
        sdram_init();
        
        /* Check all of memory */

Modified: trunk/coreboot-v2/src/mainboard/iei/juki-511p/auto.c
===================================================================
--- trunk/coreboot-v2/src/mainboard/iei/juki-511p/auto.c        2009-10-07 
14:13:36 UTC (rev 4730)
+++ trunk/coreboot-v2/src/mainboard/iei/juki-511p/auto.c        2009-10-07 
14:36:16 UTC (rev 4731)
@@ -30,6 +30,7 @@
 #include "arch/i386/lib/console.c"
 #include "lib/ramtest.c"
 #include "superio/winbond/w83977f/w83977f_early_serial.c"
+#include "southbridge/amd/cs5530/cs5530_enable_rom.c"
 #include "cpu/x86/bist.h"
 #include "pc80/udelay_io.c"
 
@@ -51,6 +52,8 @@
        inb(0x043);
        inb(0x843);
 
+       cs5530_enable_rom();
+
        /* Initialize RAM. */
        sdram_init();
 

Modified: trunk/coreboot-v2/src/mainboard/iei/nova4899r/auto.c
===================================================================
--- trunk/coreboot-v2/src/mainboard/iei/nova4899r/auto.c        2009-10-07 
14:13:36 UTC (rev 4730)
+++ trunk/coreboot-v2/src/mainboard/iei/nova4899r/auto.c        2009-10-07 
14:36:16 UTC (rev 4731)
@@ -30,6 +30,7 @@
 #include "arch/i386/lib/console.c"
 #include "lib/ramtest.c"
 #include "superio/winbond/w83977tf/w83977tf_early_serial.c"
+#include "southbridge/amd/cs5530/cs5530_enable_rom.c"
 #include "cpu/x86/bist.h"
 
 #define SERIAL_DEV PNP_DEV(0x3f0, W83977TF_SP1)
@@ -46,6 +47,8 @@
        /* Halt if there was a built in self test failure. */
        report_bist_failure(bist);
 
+       cs5530_enable_rom();
+
        /* Initialize RAM. */
        sdram_init();
 

Modified: trunk/coreboot-v2/src/mainboard/televideo/tc7020/auto.c
===================================================================
--- trunk/coreboot-v2/src/mainboard/televideo/tc7020/auto.c     2009-10-07 
14:13:36 UTC (rev 4730)
+++ trunk/coreboot-v2/src/mainboard/televideo/tc7020/auto.c     2009-10-07 
14:36:16 UTC (rev 4731)
@@ -32,6 +32,7 @@
 #include "northbridge/amd/gx1/raminit.c"
 #include "superio/nsc/pc97317/pc97317_early_serial.c"
 #include "cpu/x86/bist.h"
+#include "southbridge/amd/cs5530/cs5530_enable_rom.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, PC97317_SP1)
 
@@ -45,6 +46,8 @@
        /* Halt if there was a built in self test failure. */
        report_bist_failure(bist);
 
+       cs5530_enable_rom();
+
        /* Initialize RAM. */
        sdram_init();
 

Modified: trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530.h
===================================================================
--- trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530.h       2009-10-07 
14:13:36 UTC (rev 4730)
+++ trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530.h       2009-10-07 
14:36:16 UTC (rev 4731)
@@ -27,7 +27,13 @@
 #endif
 
 #define DECODE_CONTROL_REG2            0x5b            /* F0 index 0x5b */
+#define ROM_AT_LOGIC_CONTROL_REG       0x52            /* F0 index 0x52 */
 
+#define LOWER_ROM_ADDRESS_RANGE                (1 << 0)
+#define ROM_WRITE_ENABLE               (1 << 1)
+#define UPPER_ROM_ADDRESS_RANGE                (1 << 2)
+#define BIOS_ROM_POSITIVE_DECODE       (1 << 5)
+
 /* Selects PCI positive decoding for accesses to the configured ROM space. */
 #define BIOS_ROM_POSITIVE_DECODE       (1 << 5)
 

Added: trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530_enable_rom.c
===================================================================
--- trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530_enable_rom.c            
                (rev 0)
+++ trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530_enable_rom.c    
2009-10-07 14:36:16 UTC (rev 4731)
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2009 Uwe Hermann <[email protected]>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ */
+
+#include <stdint.h>
+#include "cs5530.h"
+
+static void cs5530_enable_rom(void)
+{
+       uint8_t reg8;
+
+       /* So far all CS5530(A) ISA bridges we've seen are at 00:12.0. */
+       device_t dev = PCI_DEV(0, 0x12, 0);
+
+       /*
+        * Decode 0x000E0000-0x000FFFFF (128 KB), not just 64 KB, and
+        * decode 0xFF000000-0xFFFFFFFF (16 MB), not just 256 KB.
+        *
+        * Make the ROM write-protected.
+        */
+       reg8 = pci_read_config8(dev, ROM_AT_LOGIC_CONTROL_REG);
+       reg8 |= LOWER_ROM_ADDRESS_RANGE;
+       reg8 |= UPPER_ROM_ADDRESS_RANGE;
+       reg8 &= ~ROM_WRITE_ENABLE;
+       pci_write_config8(dev, ROM_AT_LOGIC_CONTROL_REG, reg8);
+
+       /* Set positive decode on ROM. */
+       reg8 = pci_read_config8(dev, DECODE_CONTROL_REG2);
+       reg8 |= BIOS_ROM_POSITIVE_DECODE;
+       pci_write_config8(dev, DECODE_CONTROL_REG2, reg8);
+}

Modified: trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530_isa.c
===================================================================
--- trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530_isa.c   2009-10-07 
14:13:36 UTC (rev 4730)
+++ trunk/coreboot-v2/src/southbridge/amd/cs5530/cs5530_isa.c   2009-10-07 
14:36:16 UTC (rev 4731)
@@ -45,14 +45,6 @@
 
 static void isa_init(struct device *dev)
 {
-       uint8_t reg8;
-
-       // TODO: Test if needed, otherwise drop.
-
-       /* Set positive decode on ROM. */
-       reg8 = pci_read_config8(dev, DECODE_CONTROL_REG2);
-       reg8 |= BIOS_ROM_POSITIVE_DECODE;
-       pci_write_config8(dev, DECODE_CONTROL_REG2, reg8);
 }
 
 static void cs5530_pci_dev_enable_resources(device_t dev)


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