Yeeloong firmware port.

* boot/mips/yeeloong/fwstart.S: New file.
	* bus/cs5536.c (gpiodump): New const.
	(set_io_space): New function.
	(set_iod): Likewise.
	(set_p2d): Likewise.
	(grub_cs5536_init_geode): Likewise.
	* commands/mips/yeeloong/lsspd.c: New file.
	* conf/mips-qemu-mips.rmk (pkglib_MODULES): Add serial.mod.
	(serial_mod_SOURCES): New variable.
	(serial_mod_CFLAGS): Likewise.
	(serial_mod_LDFLAGS): Likewise.
	* conf/mips-yeeloong.rmk (kernel_img_SOURCES): Add term/serial.c,
	term/terminfo.c and term/tparm.c.
	(pkglib_IMAGES): Add fwstart.img.
	(fwstart_img_SOURCES): New variable.
	(fwstart_img_CFLAGS): Likewise.
	(fwstart_img_ASFLAGS): Likewise.
	(fwstart_img_LDFLAGS): Likewise.
	(fwstart_img_FORMAT): Likewise.
	(pkglib_MODULES): Add lsspd.mod.
	(lsspd_mod_SOURCES): New variable.
	(lsspd_mod_CFLAGS): Likewise.
	(lsspd_mod_LDFLAGS): Likewise.
	(pkglib_MODULES): Add halt.mod.
	(halt_mod_SOURCES): New variable.
	(halt_mod_CFLAGS): Likewise.
	(halt_mod_LDFLAGS): Likewise.
	* conf/mips.rmk (pkglib_MODULES): Remove serial.mod.
	(serial_mod_SOURCES): Removed.
	(serial_mod_CFLAGS): Likewise.
	(serial_mod_LDFLAGS): Likewise.
	* disk/ata.c (check_device): New function.
	(grub_ata_device_initialize): Use check_device.
	(grub_ata_iterate): Recheck devices.
	(grub_ata_open): Likewise.
	(grub_atapi_iterate): Likewise.
	(grub_atapi_open): Likewise.
	* include/grub/ata.h (GRUB_ATA_CH0_PORT1): New macro.
	(GRUB_ATA_CH1_PORT1): Likewise.
	(GRUB_ATA_CH0_PORT2): Likewise.
	(GRUB_ATA_CH1_PORT2): Likewise.
	* include/grub/mips/loongson.h: New file.
	* include/grub/mips/yeeloong/ec.h: Likewise.
	* include/grub/mips/yeeloong/serial.h (GRUB_MACHINE_SERIAL_PORT): New definition.
	(GRUB_MACHINE_SERIAL_DIVISOR_115200): Likewise.
	(GRUB_MACHINE_SERIAL_PORTS) [ASM_FILE]: Remove.
	* include/grub/misc.h (grub_halt): Declare as noreturn.
	* include/grub/serial.h (UART_ENABLE_FIFO): Renamed to ...
	(UART_ENABLE_FIFO_TRIGGER14): ... this. All users updated.
	(UART_ENABLE_FIFO_TRIGGER1): New definition.
	(UART_ENABLE_DTRRTS): Likewise.
	(UART_ENABLE_MODEM): Removed.
	(UART_ENABLE_OUT2): New const.
	* include/grub/term.h (grub_term_register_input_active): New function.
	(grub_term_register_output_active): Likewise.
	* kern/mips/startup.S [GRUB_MACHINE_MIPS_YEELOONG]: Handle 0xffffffff
	argument.
	* kern/mips/yeeloong/init.c (grub_get_rtc): Macroify.
	(init_pci): New function.
	(grub_machine_init): Execute platform init when firmware. Init serial.
	(grub_halt): Implement.
	(grub_exit): Likewise.
	(grub_reboot): Likewise.
	* term/serial.c (serial_hw_init): Update macros.
	[GRUB_MACHINE_MIPS_YEELOONG]: Init on startup.
	* util/grub-mkimage.c (image_target_desc): New id IMAGE_YEELOONG_FLASH.
	(image_targets): New target mipsel-yeeloong-flash.
	(generate_image): Support IMAGE_YEELOONG_FLASH.
	* video/sm712.c (GRUB_SM712_TOTAL_MEMORY_SPACE): New definition.
	(grub_video_sm712_setup): Init card.
	(grub_video_sm712_set_palette): Removed.
	* video/sm712_init.c: New file.

commands/mips/yeeloong/lsspd.c

@@ -0,0 +1,92 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2010  Free Software Foundation, Inc.
+ *
+ *  GRUB 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/types.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/err.h>
+#include <grub/dl.h>
+#include <grub/command.h>
+#include <grub/cs5536.h>
+
+static grub_err_t
+grub_cmd_lsspd (grub_command_t cmd __attribute__ ((unused)),
+		int argc __attribute__ ((unused)),
+		char **args __attribute__ ((unused)))
+{
+  grub_pci_device_t dev;
+  grub_port_t smbbase;
+  int i;
+  grub_err_t err;
+
+  if (!grub_cs5536_find (&dev))
+    {
+      grub_printf ("No CS5536 found\n");
+      return GRUB_ERR_NONE;
+    }
+  grub_printf ("CS5536 at %d:%d.%d\n", grub_pci_get_bus (dev),
+	       grub_pci_get_device (dev), grub_pci_get_function (dev));
+  
+  err = grub_cs5536_init_smbus (dev, 0x7fff, &smbbase);
+  if (err)
+    return err;
+
+  grub_printf ("SMB base = 0x%x\n", smbbase);
+
+  for (i = GRUB_SMB_RAM_START_ADDR;
+       i < GRUB_SMB_RAM_START_ADDR + GRUB_SMB_RAM_NUM_MAX; i++)
+    {
+      struct grub_smbus_spd spd;
+      grub_memset (&spd, 0, sizeof (spd));
+      grub_printf ("Device %d\n", i);
+      err = grub_cs5536_read_spd (smbbase, i, &spd);
+      if (err)
+	{
+	  grub_print_error ();
+	  continue;
+	}
+      grub_printf ("Written SPD bytes: %d B.\n", spd.written_size);
+      grub_printf ("Total flash size: %d B.\n", 1 << spd.log_total_flash_size);
+      if (spd.memory_type == GRUB_SMBUS_SPD_MEMORY_TYPE_DDR2)
+	{
+	  char str[sizeof (spd.ddr2.part_number) + 1];
+	  grub_printf ("Memory type: DDR2.\n");
+	  grub_memcpy (str, spd.ddr2.part_number,
+		       sizeof (spd.ddr2.part_number));
+	  str[sizeof (spd.ddr2.part_number)] = 0;
+	  grub_printf ("Part no: %s.\n", str);
+	}
+      else
+	grub_printf ("Memory type: Unknown.\n");
+    }
+
+  return GRUB_ERR_NONE;
+}
+
+static grub_command_t cmd;
+
+GRUB_MOD_INIT(lsspd)
+{
+  cmd = grub_register_command ("lsspd", grub_cmd_lsspd, 0,
+			       "Print Memory information.");
+}
+
+GRUB_MOD_FINI(lsspd)
+{
+  grub_unregister_command (cmd);
+}