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/*
* 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>
GRUB_MOD_LICENSE ("GPLv3+");
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);
}
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