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Added board type as a parameter to mx2 NFC as they have different base addresses. 

Change-Id: I7bc326e9a8d9f6817f046a7faeebede567c53dd2
Signed-off-by: Erik Ahlén <erik.ahlen@avalonenterprise.com>
Reviewed-on: http://openocd.zylin.com/268
Tested-by: jenkins
Reviewed-by: Mathias Küster <kesmtp@freenet.de>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Erik Ahlén 2011-12-13 11:19:17 +01:00 committed by Spencer Oliver
parent c6f44bde73
commit 684e9674a6
3 changed files with 63 additions and 44 deletions
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59
src/flash/nand/mx2.c
View File

@ -64,9 +64,9 @@ static uint32_t in_sram_address;
static unsigned char sign_of_sequental_byte_read;
static int initialize_nf_controller(struct nand_device *nand);
static int get_next_byte_from_sram_buffer(struct target *target, uint8_t *value);
static int get_next_halfword_from_sram_buffer(struct target *target, uint16_t *value);
static int poll_for_complete_op(struct target *target, const char *text);
static int get_next_byte_from_sram_buffer(struct nand_device *nand, uint8_t *value);
static int get_next_halfword_from_sram_buffer(struct nand_device *nand, uint16_t *value);
static int poll_for_complete_op(struct nand_device *nand, const char *text);
static int validate_target_state(struct nand_device *nand);
static int do_data_output(struct nand_device *nand);
@ -86,15 +86,25 @@ NAND_DEVICE_COMMAND_HANDLER(mxc_nand_device_command)
}
nand->controller_priv = mxc_nf_info;
if (CMD_ARGC < 3) {
LOG_ERROR("use \"nand device mxc target noecc|hwecc\"");
if (CMD_ARGC < 4) {
LOG_ERROR("use \"nand device mxc target mx27|mx31|mx35 noecc|hwecc\"");
return ERROR_FAIL;
}
/*
* check board type
*/
if (strcmp(CMD_ARGV[2], "mx27") == 0)
mxc_nf_info->mxc_base_addr = 0xD8000000;
else if (strcmp(CMD_ARGV[2], "mx31") == 0)
mxc_nf_info->mxc_base_addr = 0xB8000000;
else if (strcmp(CMD_ARGV[2], "mx35") == 0)
mxc_nf_info->mxc_base_addr = 0xBB000000;
/*
* check hwecc requirements
*/
hwecc_needed = strcmp(CMD_ARGV[2], "hwecc");
hwecc_needed = strcmp(CMD_ARGV[3], "hwecc");
if (hwecc_needed == 0)
mxc_nf_info->flags.hw_ecc_enabled = 1;
else
@ -188,7 +198,6 @@ static int mxc_init(struct nand_device *nand)
static int mxc_read_data(struct nand_device *nand, void *data)
{
struct target *target = nand->target;
int validate_target_result;
int try_data_output_from_nand_chip;
/*
@ -209,9 +218,9 @@ static int mxc_read_data(struct nand_device *nand, void *data)
}
if (nand->bus_width == 16)
get_next_halfword_from_sram_buffer(target, data);
get_next_halfword_from_sram_buffer(nand, data);
else
get_next_byte_from_sram_buffer(target, data);
get_next_byte_from_sram_buffer(nand, data);
return ERROR_OK;
}
@ -273,7 +282,7 @@ static int mxc_command(struct nand_device *nand, uint8_t command)
* start command input operation (set MXC_NF_BIT_OP_DONE==0)
*/
target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FCI);
poll_result = poll_for_complete_op(target, "command");
poll_result = poll_for_complete_op(nand, "command");
if (poll_result != ERROR_OK)
return poll_result;
/*
@ -306,6 +315,7 @@ static int mxc_command(struct nand_device *nand, uint8_t command)
static int mxc_address(struct nand_device *nand, uint8_t address)
{
struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
struct target *target = nand->target;
int validate_target_result;
int poll_result;
@ -321,7 +331,7 @@ static int mxc_address(struct nand_device *nand, uint8_t address)
* start address input operation (set MXC_NF_BIT_OP_DONE==0)
*/
target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FAI);
poll_result = poll_for_complete_op(target, "address");
poll_result = poll_for_complete_op(nand, "address");
if (poll_result != ERROR_OK)
return poll_result;
@ -330,8 +340,9 @@ static int mxc_address(struct nand_device *nand, uint8_t address)
static int mxc_nand_ready(struct nand_device *nand, int tout)
{
uint16_t poll_complete_status;
struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
struct target *target = nand->target;
uint16_t poll_complete_status;
int validate_target_result;
/*
@ -420,25 +431,25 @@ static int mxc_write_page(struct nand_device *nand, uint32_t page,
*/
target_write_u16(target, MXC_NF_BUFADDR, 0);
target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FDI);
poll_result = poll_for_complete_op(target, "data input");
poll_result = poll_for_complete_op(nand, "data input");
if (poll_result != ERROR_OK)
return poll_result;
target_write_u16(target, MXC_NF_BUFADDR, 1);
target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FDI);
poll_result = poll_for_complete_op(target, "data input");
poll_result = poll_for_complete_op(nand, "data input");
if (poll_result != ERROR_OK)
return poll_result;
target_write_u16(target, MXC_NF_BUFADDR, 2);
target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FDI);
poll_result = poll_for_complete_op(target, "data input");
poll_result = poll_for_complete_op(nand, "data input");
if (poll_result != ERROR_OK)
return poll_result;
target_write_u16(target, MXC_NF_BUFADDR, 3);
target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_OP_FDI);
poll_result = poll_for_complete_op(target, "data input");
poll_result = poll_for_complete_op(nand, "data input");
if (poll_result != ERROR_OK)
return poll_result;
@ -618,8 +629,10 @@ static int initialize_nf_controller(struct nand_device *nand)
return ERROR_OK;
}
static int get_next_byte_from_sram_buffer(struct target *target, uint8_t *value)
static int get_next_byte_from_sram_buffer(struct nand_device *nand, uint8_t *value)
{
struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
struct target *target = nand->target;
static uint8_t even_byte = 0;
uint16_t temp;
/*
@ -649,8 +662,11 @@ static int get_next_byte_from_sram_buffer(struct target *target, uint8_t *value)
return ERROR_OK;
}
static int get_next_halfword_from_sram_buffer(struct target *target, uint16_t *value)
static int get_next_halfword_from_sram_buffer(struct nand_device *nand, uint16_t *value)
{
struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
struct target *target = nand->target;
if (in_sram_address > MXC_NF_LAST_BUFFER_ADDR) {
LOG_ERROR(sram_buffer_bounds_err_msg, in_sram_address);
*value = 0;
@ -662,9 +678,12 @@ static int get_next_halfword_from_sram_buffer(struct target *target, uint16_t *v
return ERROR_OK;
}
static int poll_for_complete_op(struct target *target, const char *text)
static int poll_for_complete_op(struct nand_device *nand, const char *text)
{
struct mxc_nf_controller *mxc_nf_info = nand->controller_priv;
struct target *target = nand->target;
uint16_t poll_complete_status;
for (int poll_cycle_count = 0; poll_cycle_count < 100; poll_cycle_count++) {
target_read_u16(target, MXC_NF_CFG2, &poll_complete_status);
if (poll_complete_status & MXC_NF_BIT_OP_DONE)
@ -711,7 +730,7 @@ static int do_data_output(struct nand_device *nand)
* start data output operation (set MXC_NF_BIT_OP_DONE==0)
*/
target_write_u16(target, MXC_NF_CFG2, MXC_NF_BIT_DATAOUT_TYPE(mxc_nf_info->optype));
poll_result = poll_for_complete_op(target, "data output");
poll_result = poll_for_complete_op(nand, "data output");
if (poll_result != ERROR_OK)
return poll_result;

46
src/flash/nand/mx2.h
View File

@ -27,33 +27,32 @@
* Many thanks to Ben Dooks for writing s3c24xx driver.
*/
#define MXC_NF_BASE_ADDR 0xd8000000
#define MXC_NF_BUFSIZ (MXC_NF_BASE_ADDR + 0xe00)
#define MXC_NF_BUFADDR (MXC_NF_BASE_ADDR + 0xe04)
#define MXC_NF_FADDR (MXC_NF_BASE_ADDR + 0xe06)
#define MXC_NF_FCMD (MXC_NF_BASE_ADDR + 0xe08)
#define MXC_NF_BUFCFG (MXC_NF_BASE_ADDR + 0xe0a)
#define MXC_NF_ECCSTATUS (MXC_NF_BASE_ADDR + 0xe0c)
#define MXC_NF_ECCMAINPOS (MXC_NF_BASE_ADDR + 0xe0e)
#define MXC_NF_ECCSPAREPOS (MXC_NF_BASE_ADDR + 0xe10)
#define MXC_NF_FWP (MXC_NF_BASE_ADDR + 0xe12)
#define MXC_NF_LOCKSTART (MXC_NF_BASE_ADDR + 0xe14)
#define MXC_NF_LOCKEND (MXC_NF_BASE_ADDR + 0xe16)
#define MXC_NF_FWPSTATUS (MXC_NF_BASE_ADDR + 0xe18)
#define MXC_NF_BUFSIZ (mxc_nf_info->mxc_base_addr + 0xe00)
#define MXC_NF_BUFADDR (mxc_nf_info->mxc_base_addr + 0xe04)
#define MXC_NF_FADDR (mxc_nf_info->mxc_base_addr + 0xe06)
#define MXC_NF_FCMD (mxc_nf_info->mxc_base_addr + 0xe08)
#define MXC_NF_BUFCFG (mxc_nf_info->mxc_base_addr + 0xe0a)
#define MXC_NF_ECCSTATUS (mxc_nf_info->mxc_base_addr + 0xe0c)
#define MXC_NF_ECCMAINPOS (mxc_nf_info->mxc_base_addr + 0xe0e)
#define MXC_NF_ECCSPAREPOS (mxc_nf_info->mxc_base_addr + 0xe10)
#define MXC_NF_FWP (mxc_nf_info->mxc_base_addr + 0xe12)
#define MXC_NF_LOCKSTART (mxc_nf_info->mxc_base_addr + 0xe14)
#define MXC_NF_LOCKEND (mxc_nf_info->mxc_base_addr + 0xe16)
#define MXC_NF_FWPSTATUS (mxc_nf_info->mxc_base_addr + 0xe18)
/*
* all bits not marked as self-clearing bit
*/
#define MXC_NF_CFG1 (MXC_NF_BASE_ADDR + 0xe1a)
#define MXC_NF_CFG2 (MXC_NF_BASE_ADDR + 0xe1c)
#define MXC_NF_CFG1 (mxc_nf_info->mxc_base_addr + 0xe1a)
#define MXC_NF_CFG2 (mxc_nf_info->mxc_base_addr + 0xe1c)
#define MXC_NF_MAIN_BUFFER0 (MXC_NF_BASE_ADDR + 0x0000)
#define MXC_NF_MAIN_BUFFER1 (MXC_NF_BASE_ADDR + 0x0200)
#define MXC_NF_MAIN_BUFFER2 (MXC_NF_BASE_ADDR + 0x0400)
#define MXC_NF_MAIN_BUFFER3 (MXC_NF_BASE_ADDR + 0x0600)
#define MXC_NF_SPARE_BUFFER0 (MXC_NF_BASE_ADDR + 0x0800)
#define MXC_NF_SPARE_BUFFER1 (MXC_NF_BASE_ADDR + 0x0810)
#define MXC_NF_SPARE_BUFFER2 (MXC_NF_BASE_ADDR + 0x0820)
#define MXC_NF_SPARE_BUFFER3 (MXC_NF_BASE_ADDR + 0x0830)
#define MXC_NF_MAIN_BUFFER0 (mxc_nf_info->mxc_base_addr + 0x0000)
#define MXC_NF_MAIN_BUFFER1 (mxc_nf_info->mxc_base_addr + 0x0200)
#define MXC_NF_MAIN_BUFFER2 (mxc_nf_info->mxc_base_addr + 0x0400)
#define MXC_NF_MAIN_BUFFER3 (mxc_nf_info->mxc_base_addr + 0x0600)
#define MXC_NF_SPARE_BUFFER0 (mxc_nf_info->mxc_base_addr + 0x0800)
#define MXC_NF_SPARE_BUFFER1 (mxc_nf_info->mxc_base_addr + 0x0810)
#define MXC_NF_SPARE_BUFFER2 (mxc_nf_info->mxc_base_addr + 0x0820)
#define MXC_NF_SPARE_BUFFER3 (mxc_nf_info->mxc_base_addr + 0x0830)
#define MXC_NF_MAIN_BUFFER_LEN 512
#define MXC_NF_SPARE_BUFFER_LEN 16
#define MXC_NF_LAST_BUFFER_ADDR ((MXC_NF_SPARE_BUFFER3) + \
@ -111,6 +110,7 @@ struct mxc_nf_flags {
};
struct mxc_nf_controller {
uint32_t mxc_base_addr;
enum mxc_dataout_type optype;
enum mxc_nf_finalize_action fin;
struct mxc_nf_flags flags;

2
tcl/board/tx27_stk5.cfg
View File

@ -61,4 +61,4 @@ proc tx27_init { } {
nand probe 0
}
nand device tx27.nand mxc $_TARGETNAME hwecc
nand device tx27.nand mxc $_TARGETNAME mx27 hwecc