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NAND/AT91SAM9: remove private "target" copy

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Remove "target" form private data, and use
common one in struct nand_block.

Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Antonio Borneo
2010-12-31 19:46:02 +08:00
committed by Øyvind Harboe
parent 5f3603b8ef
commit 2e1f2b50fd
1 changed files with 22 additions and 37 deletions
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59
src/flash/nand/at91sam9.c
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@@ -38,9 +38,6 @@
* Representation of a pin on an AT91SAM9 chip.
*/
struct at91sam9_pin {
/** Target this pin is on. */
struct target *target;
/** Address of the PIO controller. */
uint32_t pioc;
@@ -52,9 +49,6 @@ struct at91sam9_pin {
* Private data for the controller that is stored in the NAND device structure.
*/
struct at91sam9_nand {
/** Target the NAND is attached to. */
struct target *target;
/** Address of the ECC controller for NAND. */
uint32_t ecc;
@@ -101,8 +95,7 @@ static int at91sam9_halted(struct target *target, const char *label)
*/
static int at91sam9_init(struct nand_device *nand)
{
struct at91sam9_nand *info = nand->controller_priv;
struct target *target = info->target;
struct target *target = nand->target;
if (!at91sam9_halted(target, "init")) {
return ERROR_NAND_OPERATION_FAILED;
@@ -117,9 +110,10 @@ static int at91sam9_init(struct nand_device *nand)
* @param info NAND controller information for controlling NAND device.
* @return Success or failure of the enabling.
*/
static int at91sam9_enable(struct at91sam9_nand *info)
static int at91sam9_enable(struct nand_device *nand)
{
struct target *target = info->target;
struct at91sam9_nand *info = nand->controller_priv;
struct target *target = nand->target;
return target_write_u32(target, info->ce.pioc + AT91C_PIOx_CODR, 1 << info->ce.num);
}
@@ -130,9 +124,10 @@ static int at91sam9_enable(struct at91sam9_nand *info)
* @param info NAND controller information for controlling NAND device.
* @return Success or failure of the disabling.
*/
static int at91sam9_disable(struct at91sam9_nand *info)
static int at91sam9_disable(struct nand_device *nand)
{
struct target *target = info->target;
struct at91sam9_nand *info = nand->controller_priv;
struct target *target = nand->target;
return target_write_u32(target, info->ce.pioc + AT91C_PIOx_SODR, 1 << info->ce.num);
}
@@ -147,13 +142,13 @@ static int at91sam9_disable(struct at91sam9_nand *info)
static int at91sam9_command(struct nand_device *nand, uint8_t command)
{
struct at91sam9_nand *info = nand->controller_priv;
struct target *target = info->target;
struct target *target = nand->target;
if (!at91sam9_halted(target, "command")) {
return ERROR_NAND_OPERATION_FAILED;
}
at91sam9_enable(info);
at91sam9_enable(nand);
return target_write_u8(target, info->cmd, command);
}
@@ -166,13 +161,11 @@ static int at91sam9_command(struct nand_device *nand, uint8_t command)
*/
static int at91sam9_reset(struct nand_device *nand)
{
struct at91sam9_nand *info = nand->controller_priv;
if (!at91sam9_halted(info->target, "reset")) {
if (!at91sam9_halted(nand->target, "reset")) {
return ERROR_NAND_OPERATION_FAILED;
}
return at91sam9_disable(info);
return at91sam9_disable(nand);
}
/**
@@ -185,9 +178,9 @@ static int at91sam9_reset(struct nand_device *nand)
static int at91sam9_address(struct nand_device *nand, uint8_t address)
{
struct at91sam9_nand *info = nand->controller_priv;
struct target *target = info->target;
struct target *target = nand->target;
if (!at91sam9_halted(info->target, "address")) {
if (!at91sam9_halted(nand->target, "address")) {
return ERROR_NAND_OPERATION_FAILED;
}
@@ -205,9 +198,9 @@ static int at91sam9_address(struct nand_device *nand, uint8_t address)
static int at91sam9_read_data(struct nand_device *nand, void *data)
{
struct at91sam9_nand *info = nand->controller_priv;
struct target *target = info->target;
struct target *target = nand->target;
if (!at91sam9_halted(info->target, "read data")) {
if (!at91sam9_halted(nand->target, "read data")) {
return ERROR_NAND_OPERATION_FAILED;
}
@@ -225,7 +218,7 @@ static int at91sam9_read_data(struct nand_device *nand, void *data)
static int at91sam9_write_data(struct nand_device *nand, uint16_t data)
{
struct at91sam9_nand *info = nand->controller_priv;
struct target *target = info->target;
struct target *target = nand->target;
if (!at91sam9_halted(target, "write data")) {
return ERROR_NAND_OPERATION_FAILED;
@@ -244,7 +237,7 @@ static int at91sam9_write_data(struct nand_device *nand, uint16_t data)
static int at91sam9_nand_ready(struct nand_device *nand, int timeout)
{
struct at91sam9_nand *info = nand->controller_priv;
struct target *target = info->target;
struct target *target = nand->target;
uint32_t status;
if (!at91sam9_halted(target, "nand ready")) {
@@ -279,7 +272,7 @@ static int at91sam9_read_block_data(struct nand_device *nand, uint8_t *data, int
struct arm_nand_data *io = &info->io;
int status;
if (!at91sam9_halted(info->target, "read block")) {
if (!at91sam9_halted(nand->target, "read block")) {
return ERROR_NAND_OPERATION_FAILED;
}
@@ -304,7 +297,7 @@ static int at91sam9_write_block_data(struct nand_device *nand, uint8_t *data, in
struct arm_nand_data *io = &info->io;
int status;
if (!at91sam9_halted(info->target, "write block")) {
if (!at91sam9_halted(nand->target, "write block")) {
return ERROR_NAND_OPERATION_FAILED;
}
@@ -381,7 +374,7 @@ static int at91sam9_read_page(struct nand_device *nand, uint32_t page,
{
int retval;
struct at91sam9_nand *info = nand->controller_priv;
struct target *target = info->target;
struct target *target = nand->target;
uint8_t *oob_data;
uint32_t status;
@@ -458,7 +451,7 @@ static int at91sam9_write_page(struct nand_device *nand, uint32_t page,
uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size)
{
struct at91sam9_nand *info = nand->controller_priv;
struct target *target = info->target;
struct target *target = nand->target;
int retval;
uint8_t *oob_data = oob;
uint32_t parity, nparity;
@@ -517,7 +510,6 @@ static int at91sam9_write_page(struct nand_device *nand, uint32_t page,
*/
NAND_DEVICE_COMMAND_HANDLER(at91sam9_nand_device_command)
{
struct target *target = NULL;
unsigned long chip = 0, ecc = 0;
struct at91sam9_nand *info = NULL;
@@ -528,12 +520,6 @@ NAND_DEVICE_COMMAND_HANDLER(at91sam9_nand_device_command)
return ERROR_NAND_OPERATION_FAILED;
}
target = get_target(CMD_ARGV[1]);
if (!target) {
LOG_ERROR("invalid target: %s", CMD_ARGV[1]);
return ERROR_NAND_OPERATION_FAILED;
}
COMMAND_PARSE_NUMBER(ulong, CMD_ARGV[2], chip);
if (chip == 0) {
LOG_ERROR("invalid NAND chip address: %s", CMD_ARGV[2]);
@@ -554,14 +540,13 @@ NAND_DEVICE_COMMAND_HANDLER(at91sam9_nand_device_command)
return ERROR_NAND_OPERATION_FAILED;
}
info->target = target;
info->data = chip;
info->cmd = chip | (1 << 22);
info->addr = chip | (1 << 21);
info->ecc = ecc;
nand->controller_priv = info;
info->io.target = target;
info->io.target = nand->target;
info->io.data = info->data;
info->io.op = ARM_NAND_NONE;