Add support for the LiPPERT Cool RoadRunner-LX embedded PC board:
- PC/104+ form factor
- AMD Geode-LX CPU/northbridge
- AMD CS5536 southbridge
- ITE IT8712F superio
http://www.lippert-at.com/index.php?id=408
Signed-off-by: Jens Rottmann <JRottmann@LiPPERTEmbedded.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3760 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/lippert/roadrunner-lx/cache_as_ram_auto.c b/src/mainboard/lippert/roadrunner-lx/cache_as_ram_auto.c
new file mode 100644
index 0000000..ce55aa0
--- /dev/null
+++ b/src/mainboard/lippert/roadrunner-lx/cache_as_ram_auto.c
@@ -0,0 +1,164 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 LiPPERT Embedded Computers GmbH
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ *
+ * Based on cache_as_ram_auto.c from AMD's DB800 and DBM690T mainboards.
+ *
+ * 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
+ */
+
+#define ASSEMBLY 1
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <arch/io.h>
+#include <device/pnp_def.h>
+#include <arch/hlt.h>
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "ram/ramtest.c"
+#include "cpu/x86/bist.h"
+#include "cpu/x86/msr.h"
+#include <cpu/amd/lxdef.h>
+#include <cpu/amd/geode_post_code.h>
+#include "southbridge/amd/cs5536/cs5536.h"
+
+#define POST_CODE(x) outb(x, 0x80)
+
+#include "southbridge/amd/cs5536/cs5536_early_smbus.c"
+#include "southbridge/amd/cs5536/cs5536_early_setup.c"
+#include "superio/ite/it8712f/it8712f_early_serial.c"
+
+#define ManualConf 1 /* No automatic strapped PLL config */
+#define PLLMSRhi 0x0000049C /* Manual settings for the PLL */
+#define PLLMSRlo 0x00DE6001
+#define DIMM0 0xA0
+#define DIMM1 0xA2
+
+static inline int spd_read_byte(unsigned int device, unsigned int address)
+{
+ if (device != DIMM0) return 0xFF; // no DIMM1, don't even try
+ return smbus_read_byte(device, address);
+}
+
+#include "northbridge/amd/lx/raminit.h"
+#include "northbridge/amd/lx/pll_reset.c"
+#include "northbridge/amd/lx/raminit.c"
+#include "sdram/generic_sdram.c"
+#include "cpu/amd/model_lx/cpureginit.c"
+#include "cpu/amd/model_lx/syspreinit.c"
+
+static void msr_init(void)
+{
+ msr_t msr;
+
+ /* Setup access to the cache for under 1MB. */
+ msr.hi = 0x24fffc02;
+ msr.lo = 0x1000A000; /* 0-A0000 write back */
+ wrmsr(CPU_RCONF_DEFAULT, msr);
+
+ msr.hi = 0x0; /* Write back */
+ msr.lo = 0x0;
+ wrmsr(CPU_RCONF_A0_BF, msr);
+ wrmsr(CPU_RCONF_C0_DF, msr);
+ wrmsr(CPU_RCONF_E0_FF, msr);
+
+ /* Setup access to the cache for under 640K. Note MC not setup yet. */
+ msr.hi = 0x20000000;
+ msr.lo = 0xfff80;
+ wrmsr(MSR_GLIU0 + 0x20, msr);
+
+ msr.hi = 0x20000000;
+ msr.lo = 0x80fffe0;
+ wrmsr(MSR_GLIU0 + 0x21, msr);
+
+ msr.hi = 0x20000000;
+ msr.lo = 0xfff80;
+ wrmsr(MSR_GLIU1 + 0x20, msr);
+
+ msr.hi = 0x20000000;
+ msr.lo = 0x80fffe0;
+ wrmsr(MSR_GLIU1 + 0x21, msr);
+}
+
+static const u16 sio_init_table[] = { // hi=data, lo=index
+ 0x0707, // select LDN 7 (GPIO, SPI, watchdog, ...)
+ 0x1E2C, // disable ATXPowerGood - will cause a reboot!
+ 0x0423, // don't delay POWerOK1/2
+ 0x9072, // watchdog triggers POWOK, counts seconds
+#if !USE_WATCHDOG_ON_BOOT
+ 0x0073, 0x0074, // disable watchdog by setting timeout to 0
+#endif
+ 0xBF25, 0x372A, 0xF326, // select GPIO function for most pins
+ 0xBF27, 0xFF28, 0x2529, // (GP36=FAN_CTL3, GP13=PWROK1)
+ 0x1E2C, // VIN6=enabled?, FAN4/5 enabled, VIN7=internal, VIN3=enabled
+ 0x46B8, 0x0CB9, // enable pullups
+ 0x36C0, // enable Simple-I/O for GP15,14,12,11= LIVE_LED, WD_ACTIVE, RS485_EN2,1
+ 0xFFC3, // enable Simple-I/O for GP47-40 (GPIOs on Supervisory Connector)
+ 0x26C8, // config GP15,12,11 as output; GP14 as input
+ 0x2DF5, // map Hw Monitor Thermal Output to GP55
+ 0x0DF8, // map GP LED Blinking 1 to GP15=LIVE_LED (deactivate Simple-I/O to use)
+};
+
+/* Early mainboard specific GPIO setup. */
+static void mb_gpio_init(void)
+{
+ int i;
+
+ /* Init SuperIO WDT, GPIOs. Done early, WDT init may trigger reset! */
+ it8712f_enter_conf();
+ for (i=0; i<ARRAY_SIZE(sio_init_table); i++) {
+ u16 val = sio_init_table[i];
+ outb((u8)val, SIO_INDEX); outb(val>>8, SIO_DATA);
+ }
+ it8712f_exit_conf();
+}
+
+void cache_as_ram_main(void)
+{
+ POST_CODE(0x01);
+
+ static const struct mem_controller memctrl[] = {
+ {.channel0 = {(0xa << 3) | 0, (0xa << 3) | 1}}
+ };
+
+ SystemPreInit();
+ msr_init();
+
+ cs5536_early_setup();
+
+ /* Note: must do this AFTER the early_setup! It is counting on some
+ * early MSR setup for CS5536.
+ */
+ it8712f_enable_serial(0, TTYS0_BASE); // does not use its 1st parameter
+ mb_gpio_init();
+ uart_init();
+ console_init();
+
+ pll_reset(ManualConf);
+
+ cpuRegInit();
+
+ sdram_initialize(1, memctrl);
+
+ /* Check memory. */
+ /* ram_check(0x00000000, 640 * 1024); */
+
+ /* Memory is setup. Return to cache_as_ram.inc and continue to boot. */
+ return;
+}