This board (http://www.ieiworld.com/en/product_IPC.asp?model=PCISA-LX)
is based on amd-lx800/cs5536.
Tutorial: http://www.coreboot.org/IEI_LX_800_Build_Tutorial
Signed-off-by: Nikolay Petukhov <nikolay.petukhov@gmail.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3261 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/iei/pcisa-lx-800-r10/cache_as_ram_auto.c b/src/mainboard/iei/pcisa-lx-800-r10/cache_as_ram_auto.c
new file mode 100644
index 0000000..23a740a
--- /dev/null
+++ b/src/mainboard/iei/pcisa-lx-800-r10/cache_as_ram_auto.c
@@ -0,0 +1,136 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007 Advanced Micro Devices, Inc.
+ *
+ * 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 <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)
+#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
+
+#include "southbridge/amd/cs5536/cs5536_early_smbus.c"
+#include "southbridge/amd/cs5536/cs5536_early_setup.c"
+#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
+
+static inline int spd_read_byte(unsigned int device, unsigned int address)
+{
+ return smbus_read_byte(device, address);
+}
+
+#define ManualConf 1 /* Do automatic strapped PLL config */
+//#define PLLMSRhi 0x0000059C /* CPU and GLIU mult/div 500/400*/
+//#define PLLMSRhi 0x0000049C /* CPU and GLIU mult/div 500/333*/
+#define PLLMSRhi 0x0000039C /* CPU and GLIU mult/div 500/266*/
+//0x0000059C 0000 0000 0000 0000 0000 |0101 1|0|01 110|0
+/* Hold Count - how long we will sit in reset */
+#define PLLMSRlo 0x00DE6000
+
+#define DIMM0 0xA0
+#define DIMM1 0xA2
+
+#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 void mb_gpio_init(void)
+{
+ /* Early mainboard specific GPIO setup. */
+}
+
+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.
+ */
+ w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
+ mb_gpio_init();
+ uart_init();
+ console_init();
+
+ pll_reset(ManualConf);
+
+ cpuRegInit();
+
+ sdram_initialize(1, memctrl);
+
+ /* ram_check(0, 640 * 1024); */
+
+ /* Memory is setup. Return to cache_as_ram.inc and continue to boot. */
+ return;
+}