chips

package

v0.15.0 Latest Latest Go to latest Published: Aug 18, 2025 License: BSD-3-Clause Imports: 3 Imported by: 0

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github.com/u-root/u-root

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Documentation ¶

Overview ¶

Package chips contains chips known to work with the flash tool.

Constants ¶

This section is empty.

Variables ¶

View Source

var Chips = []Chip{
	{
		Vendor:    "SST",
		Chip:      "SST25VF016B",
		ID:        0xbf2541,
		ArraySize: 2 * m,

		PageSize:   1,
		SectorSize: 4 * k,
		BlockSize:  64 * k,
		Is4BA:      false,
		EraseBlocks: []EraseBlock{
			{
				Size: 4 * k,
				Op:   0x20,
			},
			{
				Size: 32 * k,
				Op:   0x52,
			},
			{
				Size: 64 * k,
				Op:   0xD8,
			},
			{
				Size: 2 * m,
				Op:   0x60,
			},
			{
				Size: 2 * m,
				Op:   0xc7,
			},
		},

		WriteEnableInstructionRequired: true,
		WriteEnableOpcodeSelect:        op.WriteEnable,
		Write:                          op.AAI,
		Read:                           op.Read,
	},
}

Chips are all the chips we know about. Note that the test assumes that SST25VF016B is first.

Functions ¶

This section is empty.

Types ¶

type Chip ¶

type Chip struct {
	Vendor      string
	Chip        string
	ID          ID
	ArraySize   int64
	PageSize    int64
	SectorSize  int64
	BlockSize   int64
	Is4BA       bool
	EraseBlocks []EraseBlock

	WriteEnableInstructionRequired bool
	WriteEnableOpcodeSelect        op.OpCode
	Write                          op.OpCode
	Read                           op.OpCode
}

Chip defines a chip.

func Lookup ¶

func Lookup(id ID) (*Chip, error)

Lookup finds a Chip by id, returning os.ErrNotExist if it is not found.

func (*Chip) String ¶

func (c *Chip) String() string

String implements string for Chip.

type EraseBlock ¶

type EraseBlock struct {
	Size int
	Op   op.OpCode
}

EraseBlock defines the size and the opcode used for an erase block. In Flash Chips, the erase region is aligned to the size.

type ID ¶

type ID int

Source Files ¶

View all Source files

chips.go

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