diff options
Diffstat (limited to 'grub-core/commands/mips/yeeloong/lsspd.c')
-rw-r--r-- | grub-core/commands/mips/yeeloong/lsspd.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/grub-core/commands/mips/yeeloong/lsspd.c b/grub-core/commands/mips/yeeloong/lsspd.c new file mode 100644 index 0000000..c1c5e2e --- /dev/null +++ b/grub-core/commands/mips/yeeloong/lsspd.c @@ -0,0 +1,94 @@ +/* + * 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); +} |