summaryrefslogtreecommitdiff
path: root/src/flash/nand
diff options
context:
space:
mode:
Diffstat (limited to 'src/flash/nand')
-rw-r--r--src/flash/nand/lpc3180.c449
-rw-r--r--src/flash/nand/lpc3180.h1
2 files changed, 441 insertions, 9 deletions
diff --git a/src/flash/nand/lpc3180.c b/src/flash/nand/lpc3180.c
index acb5f586..6562e041 100644
--- a/src/flash/nand/lpc3180.c
+++ b/src/flash/nand/lpc3180.c
@@ -1,6 +1,9 @@
/***************************************************************************
* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
+ *
+ * Copyright (C) 2010 richard vegh <vegh.ricsi@gmail.com> *
+ * Copyright (C) 2010 Oyvind Harboe <oyvind.harboe@zylin.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
@@ -28,6 +31,13 @@
static int lpc3180_reset(struct nand_device *nand);
static int lpc3180_controller_ready(struct nand_device *nand, int timeout);
+static int lpc3180_tc_ready(struct nand_device *nand, int timeout);
+
+
+#define ECC_OFFS 0x120
+#define SPARE_OFFS 0x140
+#define DATA_OFFS 0x200
+
/* nand device lpc3180 <target#> <oscillator_frequency>
*/
@@ -253,8 +263,21 @@ static int lpc3180_init(struct nand_device *nand)
/* FLASHCLK_CTRL = 0x05 (enable clock for SLC flash controller) */
target_write_u32(target, 0x400040c8, 0x05);
- /* SLC_CFG = 0x (Force nCE assert, ECC enabled, WIDTH = bus_width) */
- target_write_u32(target, 0x20020014, 0x28 | (bus_width == 16) ? 1 : 0);
+ /* after reset set other registers of SLC so reset calling is here at the begining*/
+ lpc3180_reset(nand);
+
+ /* SLC_CFG = 0x (Force nCE assert, DMA ECC enabled, ECC enabled, DMA burst enabled, DMA read from SLC, WIDTH = bus_width) */
+ target_write_u32(target, 0x20020014, 0x3e | (bus_width == 16) ? 1 : 0);
+
+ /* SLC_IEN = 3 (INT_RDY_EN = 1) ,(INT_TC_STAT = 1) */
+ target_write_u32(target, 0x20020020, 0x03);
+
+ /* DMA configuration */
+ /* DMACLK_CTRL = 0x01 (enable clock for DMA controller) */
+ target_write_u32(target, 0x400040e8, 0x01);
+ /* DMACConfig = DMA enabled*/
+ target_write_u32(target, 0x31000030, 0x01);
+
/* calculate NAND controller timings */
cycle = lpc3180_cycle_time(lpc3180_info);
@@ -270,7 +293,6 @@ static int lpc3180_init(struct nand_device *nand)
((r_width & 0xf) << 8) | ((r_rdy & 0xf) << 12) | ((w_setup & 0xf) << 16) |
((w_hold & 0xf) << 20) | ((w_width & 0xf) << 24) | ((w_rdy & 0xf) << 28));
- lpc3180_reset(nand);
}
return ERROR_OK;
@@ -476,6 +498,7 @@ static int lpc3180_write_page(struct nand_device *nand, uint32_t page, uint8_t *
struct target *target = lpc3180_info->target;
int retval;
uint8_t status;
+ uint8_t *page_buffer;
if (target->state != TARGET_HALTED)
{
@@ -490,7 +513,6 @@ static int lpc3180_write_page(struct nand_device *nand, uint32_t page, uint8_t *
}
else if (lpc3180_info->selected_controller == LPC3180_MLC_CONTROLLER)
{
- uint8_t *page_buffer;
uint8_t *oob_buffer;
int quarter, num_quarters;
@@ -606,8 +628,202 @@ static int lpc3180_write_page(struct nand_device *nand, uint32_t page, uint8_t *
}
else if (lpc3180_info->selected_controller == LPC3180_SLC_CONTROLLER)
{
+
+ /**********************************************************************
+ * Write both SLC NAND flash page main area and spare area.
+ * Small page -
+ * ------------------------------------------
+ * | 512 bytes main | 16 bytes spare |
+ * ------------------------------------------
+ * Large page -
+ * ------------------------------------------
+ * | 2048 bytes main | 64 bytes spare |
+ * ------------------------------------------
+ * If DMA & ECC enabled, then the ECC generated for the 1st 256-byte
+ * data is written to the 3rd word of the spare area. The ECC
+ * generated for the 2nd 256-byte data is written to the 4th word
+ * of the spare area. The ECC generated for the 3rd 256-byte data is
+ * written to the 7th word of the spare area. The ECC generated
+ * for the 4th 256-byte data is written to the 8th word of the
+ * spare area and so on.
+ *
+ **********************************************************************/
+
+ int retval,i=0,target_mem_base;
+ uint8_t *ecc_flash_buffer;
+ struct working_area *pworking_area;
+
+
+ if(lpc3180_info->is_bulk){
+
+ if (!data && oob){
+ /*if oob only mode is active original method is used as SLC controller hangs during DMA interworking. Anyway the code supports the oob only mode below. */
return nand_write_page_raw(nand, page, data, data_size, oob, oob_size);
}
+ retval = nand_page_command(nand, page, NAND_CMD_SEQIN, !data);
+ if (ERROR_OK != retval)
+ return retval;
+
+ /* allocate a working area */
+ if (target->working_area_size < (uint32_t) nand->page_size + 0x200){
+ LOG_ERROR("Reserve at least 0x%x physical target working area",nand->page_size + 0x200);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+ if (target->working_area_phys%4){
+ LOG_ERROR("Reserve the physical target working area at word boundary");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+ if (target_alloc_working_area(target, target->working_area_size, &pworking_area) != ERROR_OK)
+ {
+ LOG_ERROR("no working area specified, can't read LPC internal flash");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+ target_mem_base = target->working_area_phys;
+
+
+ if (nand->page_size == 2048)
+ {
+ page_buffer = malloc(2048);
+ }
+ else
+ {
+ page_buffer = malloc(512);
+ }
+
+ ecc_flash_buffer = malloc(64);
+
+ /* SLC_CFG = 0x (Force nCE assert, DMA ECC enabled, ECC enabled, DMA burst enabled, DMA write to SLC, WIDTH = bus_width) */
+ target_write_u32(target, 0x20020014, 0x3c);
+
+ if( data && !oob){
+ /* set DMA LLI-s in target memory and in DMA*/
+ for(i=0;i<nand->page_size/0x100;i++){
+
+ int tmp;
+ /* -------LLI for 256 byte block---------*/
+ /* DMACC0SrcAddr = SRAM */
+ target_write_u32(target,target_mem_base+0+i*32,target_mem_base+DATA_OFFS+i*256 );
+ if(i==0) target_write_u32(target,0x31000100,target_mem_base+DATA_OFFS );
+ /* DMACCxDestAddr = SLC_DMA_DATA */
+ target_write_u32(target,target_mem_base+4+i*32,0x20020038 );
+ if(i==0) target_write_u32(target,0x31000104,0x20020038 );
+ /* DMACCxLLI = next element */
+ tmp = (target_mem_base+(1+i*2)*16)&0xfffffffc;
+ target_write_u32(target,target_mem_base+8+i*32, tmp );
+ if(i==0) target_write_u32(target,0x31000108, tmp );
+ /* DMACCxControl = TransferSize =64, Source burst size =16, Destination burst size = 16, Source transfer width = 32 bit,
+ Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 1,
+ Destination increment = 0, Terminal count interrupt enable bit = 0*/
+ target_write_u32(target,target_mem_base+12+i*32,0x40 | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31);
+ if(i==0) target_write_u32(target,0x3100010c,0x40 | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31);
+
+ /* -------LLI for 3 byte ECC---------*/
+ /* DMACC0SrcAddr = SLC_ECC*/
+ target_write_u32(target,target_mem_base+16+i*32,0x20020034 );
+ /* DMACCxDestAddr = SRAM */
+ target_write_u32(target,target_mem_base+20+i*32,target_mem_base+SPARE_OFFS+8+16*(i>>1)+(i%2)*4 );
+ /* DMACCxLLI = next element */
+ tmp = (target_mem_base+(2+i*2)*16)&0xfffffffc;
+ target_write_u32(target,target_mem_base+24+i*32, tmp );
+ /* DMACCxControl = TransferSize =1, Source burst size =4, Destination burst size = 4, Source transfer width = 32 bit,
+ Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 0,
+ Destination increment = 1, Terminal count interrupt enable bit = 0*/
+ target_write_u32(target,target_mem_base+28+i*32,0x01 | 1<<12 | 1<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 0<<26 | 1<<27| 0<<31);
+ }
+ }
+ else if (data && oob){
+ /* -------LLI for 512 or 2048 bytes page---------*/
+ /* DMACC0SrcAddr = SRAM */
+ target_write_u32(target,target_mem_base,target_mem_base+DATA_OFFS );
+ target_write_u32(target,0x31000100,target_mem_base+DATA_OFFS );
+ /* DMACCxDestAddr = SLC_DMA_DATA */
+ target_write_u32(target,target_mem_base+4,0x20020038 );
+ target_write_u32(target,0x31000104,0x20020038 );
+ /* DMACCxLLI = next element */
+ target_write_u32(target,target_mem_base+8, (target_mem_base+32)&0xfffffffc );
+ target_write_u32(target,0x31000108, (target_mem_base+32)&0xfffffffc );
+ /* DMACCxControl = TransferSize =512 or 128, Source burst size =16, Destination burst size = 16, Source transfer width = 32 bit,
+ Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 1,
+ Destination increment = 0, Terminal count interrupt enable bit = 0*/
+ target_write_u32(target,target_mem_base+12,(nand->page_size==2048?512:128) | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31);
+ target_write_u32(target,0x3100010c,(nand->page_size==2048?512:128) | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31);
+ i = 1;
+ }
+ else if (!data && oob){
+ i = 0;
+ }
+
+ /* -------LLI for spare area---------*/
+ /* DMACC0SrcAddr = SRAM*/
+ target_write_u32(target,target_mem_base+0+i*32,target_mem_base+SPARE_OFFS );
+ if(i==0) target_write_u32(target,0x31000100,target_mem_base+SPARE_OFFS );
+ /* DMACCxDestAddr = SLC_DMA_DATA */
+ target_write_u32(target,target_mem_base+4+i*32,0x20020038 );
+ if(i==0) target_write_u32(target,0x31000104,0x20020038 );
+ /* DMACCxLLI = next element = NULL */
+ target_write_u32(target,target_mem_base+8+i*32, 0 );
+ if(i==0) target_write_u32(target,0x31000108,0 );
+ /* DMACCxControl = TransferSize =16 for large page or 4 for small page, Source burst size =16, Destination burst size = 16, Source transfer width = 32 bit,
+ Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 1,
+ Destination increment = 0, Terminal count interrupt enable bit = 0*/
+ target_write_u32(target,target_mem_base+12+i*32, (nand->page_size==2048?0x10:0x04) | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31);
+ if(i==0) target_write_u32(target,0x3100010c,(nand->page_size==2048?0x10:0x04) | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31 );
+
+
+
+ memset(ecc_flash_buffer, 0xff, 64);
+ if( oob ){
+ memcpy(ecc_flash_buffer,oob, oob_size);
+ }
+ target_write_memory(target, target_mem_base+SPARE_OFFS, 4, 16, ecc_flash_buffer);
+
+ if (data){
+ memset(page_buffer, 0xff, nand->page_size == 2048?2048:512);
+ memcpy(page_buffer,data, data_size);
+ target_write_memory(target, target_mem_base+DATA_OFFS, 4, nand->page_size == 2048?512:128, page_buffer);
+ }
+
+ free(page_buffer);
+ free(ecc_flash_buffer);
+
+ /* Enable DMA after channel set up !
+ LLI only works when DMA is the flow controller!
+ */
+ /* DMACCxConfig= E=1, SrcPeripheral = 1 (SLC), DestPeripheral = 1 (SLC), FlowCntrl = 2 (Pher -> Mem, DMA), IE = 0, ITC = 0, L= 0, H=0*/
+ target_write_u32(target,0x31000110, 1 | 1<<1 | 1<<6 | 2<<11 | 0<<14 | 0<<15 | 0<<16 | 0<<18);
+
+
+
+ /* SLC_CTRL = 3 (START DMA), ECC_CLEAR */
+ target_write_u32(target, 0x20020010, 0x3);
+
+ /* SLC_ICR = 2, INT_TC_CLR, clear pending TC*/
+ target_write_u32(target, 0x20020028, 2);
+
+ /* SLC_TC */
+ if (!data && oob)
+ target_write_u32(target, 0x20020030, (nand->page_size==2048?0x10:0x04));
+ else
+ target_write_u32(target, 0x20020030, (nand->page_size==2048?0x840:0x210));
+
+ nand_write_finish(nand);
+
+
+ if (!lpc3180_tc_ready(nand, 1000))
+ {
+ LOG_ERROR("timeout while waiting for completion of DMA");
+ return ERROR_NAND_OPERATION_FAILED;
+ }
+
+ target_free_working_area(target,pworking_area);
+
+ LOG_INFO("Page = 0x%x was written.",page);
+
+ }
+ else
+ return nand_write_page_raw(nand, page, data, data_size, oob, oob_size);
+ }
+
return ERROR_OK;
}
@@ -616,6 +832,7 @@ static int lpc3180_read_page(struct nand_device *nand, uint32_t page, uint8_t *d
{
struct lpc3180_nand_controller *lpc3180_info = nand->controller_priv;
struct target *target = lpc3180_info->target;
+ uint8_t *page_buffer;
if (target->state != TARGET_HALTED)
{
@@ -630,7 +847,6 @@ static int lpc3180_read_page(struct nand_device *nand, uint32_t page, uint8_t *d
}
else if (lpc3180_info->selected_controller == LPC3180_MLC_CONTROLLER)
{
- uint8_t *page_buffer;
uint8_t *oob_buffer;
uint32_t page_bytes_done = 0;
uint32_t oob_bytes_done = 0;
@@ -753,6 +969,174 @@ static int lpc3180_read_page(struct nand_device *nand, uint32_t page, uint8_t *d
}
else if (lpc3180_info->selected_controller == LPC3180_SLC_CONTROLLER)
{
+
+ /**********************************************************************
+ * Read both SLC NAND flash page main area and spare area.
+ * Small page -
+ * ------------------------------------------
+ * | 512 bytes main | 16 bytes spare |
+ * ------------------------------------------
+ * Large page -
+ * ------------------------------------------
+ * | 2048 bytes main | 64 bytes spare |
+ * ------------------------------------------
+ * If DMA & ECC enabled, then the ECC generated for the 1st 256-byte
+ * data is compared with the 3rd word of the spare area. The ECC
+ * generated for the 2nd 256-byte data is compared with the 4th word
+ * of the spare area. The ECC generated for the 3rd 256-byte data is
+ * compared with the 7th word of the spare area. The ECC generated
+ * for the 4th 256-byte data is compared with the 8th word of the
+ * spare area and so on.
+ *
+ **********************************************************************/
+
+ int retval,i,target_mem_base;
+ uint8_t *ecc_hw_buffer;
+ uint8_t *ecc_flash_buffer;
+ struct working_area *pworking_area;
+
+ if(lpc3180_info->is_bulk){
+
+ /* read always the data and also oob areas*/
+
+ retval = nand_page_command(nand, page, NAND_CMD_READ0, 0);
+ if (ERROR_OK != retval)
+ return retval;
+
+ /* allocate a working area */
+ if (target->working_area_size < (uint32_t) nand->page_size + 0x200){
+ LOG_ERROR("Reserve at least 0x%x physical target working area",nand->page_size + 0x200);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+ if (target->working_area_phys%4){
+ LOG_ERROR("Reserve the physical target working area at word boundary");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+ if (target_alloc_working_area(target, target->working_area_size, &pworking_area) != ERROR_OK)
+ {
+ LOG_ERROR("no working area specified, can't read LPC internal flash");
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+ target_mem_base = target->working_area_phys;
+
+ if (nand->page_size == 2048)
+ {
+ page_buffer = malloc(2048);
+ }
+ else
+ {
+ page_buffer = malloc(512);
+ }
+
+ ecc_hw_buffer = malloc(32);
+ ecc_flash_buffer = malloc(64);
+
+ /* SLC_CFG = 0x (Force nCE assert, DMA ECC enabled, ECC enabled, DMA burst enabled, DMA read from SLC, WIDTH = bus_width) */
+ target_write_u32(target, 0x20020014, 0x3e);
+
+ /* set DMA LLI-s in target memory and in DMA*/
+ for(i=0;i<nand->page_size/0x100;i++){
+ int tmp;
+ /* -------LLI for 256 byte block---------*/
+ /* DMACC0SrcAddr = SLC_DMA_DATA*/
+ target_write_u32(target,target_mem_base+0+i*32,0x20020038 );
+ if(i==0) target_write_u32(target,0x31000100,0x20020038 );
+ /* DMACCxDestAddr = SRAM */
+ target_write_u32(target,target_mem_base+4+i*32,target_mem_base+DATA_OFFS+i*256 );
+ if(i==0) target_write_u32(target,0x31000104,target_mem_base+DATA_OFFS );
+ /* DMACCxLLI = next element */
+ tmp = (target_mem_base+(1+i*2)*16)&0xfffffffc;
+ target_write_u32(target,target_mem_base+8+i*32, tmp );
+ if(i==0) target_write_u32(target,0x31000108, tmp );
+ /* DMACCxControl = TransferSize =64, Source burst size =16, Destination burst size = 16, Source transfer width = 32 bit,
+ Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 0,
+ Destination increment = 1, Terminal count interrupt enable bit = 0*/
+ target_write_u32(target,target_mem_base+12+i*32,0x40 | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 0<<26 | 1<<27| 0<<31);
+ if(i==0) target_write_u32(target,0x3100010c,0x40 | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 0<<26 | 1<<27| 0<<31);
+
+ /* -------LLI for 3 byte ECC---------*/
+ /* DMACC0SrcAddr = SLC_ECC*/
+ target_write_u32(target,target_mem_base+16+i*32,0x20020034 );
+ /* DMACCxDestAddr = SRAM */
+ target_write_u32(target,target_mem_base+20+i*32,target_mem_base+ECC_OFFS+i*4 );
+ /* DMACCxLLI = next element */
+ tmp = (target_mem_base+(2+i*2)*16)&0xfffffffc;
+ target_write_u32(target,target_mem_base+24+i*32, tmp );
+ /* DMACCxControl = TransferSize =1, Source burst size =4, Destination burst size = 4, Source transfer width = 32 bit,
+ Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 0,
+ Destination increment = 1, Terminal count interrupt enable bit = 0*/
+ target_write_u32(target,target_mem_base+28+i*32,0x01 | 1<<12 | 1<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 0<<26 | 1<<27| 0<<31);
+
+
+ }
+
+ /* -------LLI for spare area---------*/
+ /* DMACC0SrcAddr = SLC_DMA_DATA*/
+ target_write_u32(target,target_mem_base+0+i*32,0x20020038 );
+ /* DMACCxDestAddr = SRAM */
+ target_write_u32(target,target_mem_base+4+i*32,target_mem_base+SPARE_OFFS );
+ /* DMACCxLLI = next element = NULL */
+ target_write_u32(target,target_mem_base+8+i*32, 0 );
+ /* DMACCxControl = TransferSize =16 for large page or 4 for small page, Source burst size =16, Destination burst size = 16, Source transfer width = 32 bit,
+ Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 0,
+ Destination increment = 1, Terminal count interrupt enable bit = 0*/
+ target_write_u32(target,target_mem_base+12+i*32, (nand->page_size==2048?0x10:0x04) | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 0<<26 | 1<<27| 0<<31);
+
+ /* Enable DMA after channel set up !
+ LLI only works when DMA is the flow controller!
+ */
+ /* DMACCxConfig= E=1, SrcPeripheral = 1 (SLC), DestPeripheral = 1 (SLC), FlowCntrl = 2 (Pher-> Mem, DMA), IE = 0, ITC = 0, L= 0, H=0*/
+ target_write_u32(target,0x31000110, 1 | 1<<1 | 1<<6 | 2<<11 | 0<<14 | 0<<15 | 0<<16 | 0<<18);
+
+
+ /* SLC_CTRL = 3 (START DMA), ECC_CLEAR */
+ target_write_u32(target, 0x20020010, 0x3);
+
+ /* SLC_ICR = 2, INT_TC_CLR, clear pending TC*/
+ target_write_u32(target, 0x20020028, 2);
+
+ /* SLC_TC */
+ target_write_u32(target, 0x20020030, (nand->page_size==2048?0x840:0x210));
+
+ if (!lpc3180_tc_ready(nand, 1000))
+ {
+ LOG_ERROR("timeout while waiting for completion of DMA");
+ free(page_buffer);
+ free(ecc_hw_buffer);
+ free(ecc_flash_buffer);
+ target_free_working_area(target,pworking_area);
+ return ERROR_NAND_OPERATION_FAILED;
+ }
+
+ if (data){
+ target_read_memory(target, target_mem_base+DATA_OFFS, 4, nand->page_size == 2048?512:128, page_buffer);
+ memcpy(data, page_buffer, data_size);
+
+ LOG_INFO("Page = 0x%x was read.",page);
+
+ /* check hw generated ECC for each 256 bytes block with the saved ECC in flash spare area*/
+ int idx = nand->page_size/0x200 ;
+ target_read_memory(target, target_mem_base+SPARE_OFFS, 4, 16, ecc_flash_buffer);
+ target_read_memory(target, target_mem_base+ECC_OFFS, 4, 8, ecc_hw_buffer);
+ for(i=0;i<idx;i++){
+ if( (0x00ffffff&*(uint32_t *)(ecc_hw_buffer+i*8)) != (0x00ffffff&*(uint32_t *)(ecc_flash_buffer+8+i*16)) )
+ LOG_WARNING("ECC mismatch at 256 bytes size block= %d at page= 0x%x",i*2+1,page);
+ if( (0x00ffffff&*(uint32_t *)(ecc_hw_buffer+4+i*8)) != (0x00ffffff&*(uint32_t *)(ecc_flash_buffer+12+i*16)) )
+ LOG_WARNING("ECC mismatch at 256 bytes size block= %d at page= 0x%x",i*2+2,page);
+ }
+ }
+
+ if (oob)
+ memcpy(oob, ecc_flash_buffer, oob_size);
+
+ free(page_buffer);
+ free(ecc_hw_buffer);
+ free(ecc_flash_buffer);
+
+ target_free_working_area(target,pworking_area);
+
+ }
+ else
return nand_read_page_raw(nand, page, data, data_size, oob, oob_size);
}
@@ -855,6 +1239,42 @@ static int lpc3180_nand_ready(struct nand_device *nand, int timeout)
return 0;
}
+static int lpc3180_tc_ready(struct nand_device *nand, int timeout)
+{
+ struct lpc3180_nand_controller *lpc3180_info = nand->controller_priv;
+ struct target *target = lpc3180_info->target;
+
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
+ return ERROR_NAND_OPERATION_FAILED;
+ }
+
+ LOG_DEBUG("lpc3180_tc_ready count start=%d",
+ timeout);
+
+ do
+ {
+ if (lpc3180_info->selected_controller == LPC3180_SLC_CONTROLLER)
+ {
+ uint32_t status = 0x0;
+ /* Read SLC_INT_STAT and check INT_TC_STAT bit */
+ target_read_u32(target, 0x2002001c, &status);
+
+ if (status & 2){
+ LOG_DEBUG("lpc3180_tc_ready count=%d",
+ timeout);
+ return 1;
+ }
+ }
+
+ alive_sleep(1);
+ } while (timeout-- > 0);
+
+ return 0;
+}
+
+
COMMAND_HANDLER(handle_lpc3180_select_command)
{
struct lpc3180_nand_controller *lpc3180_info = NULL;
@@ -863,7 +1283,7 @@ COMMAND_HANDLER(handle_lpc3180_select_command)
"no", "mlc", "slc"
};
- if ((CMD_ARGC < 1) || (CMD_ARGC > 2))
+ if ((CMD_ARGC < 1) || (CMD_ARGC > 3))
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
@@ -879,7 +1299,7 @@ COMMAND_HANDLER(handle_lpc3180_select_command)
lpc3180_info = nand->controller_priv;
- if (CMD_ARGC == 2)
+ if (CMD_ARGC >= 2)
{
if (strcmp(CMD_ARGV[1], "mlc") == 0)
{
@@ -888,6 +1308,12 @@ COMMAND_HANDLER(handle_lpc3180_select_command)
else if (strcmp(CMD_ARGV[1], "slc") == 0)
{
lpc3180_info->selected_controller = LPC3180_SLC_CONTROLLER;
+ if (CMD_ARGC == 3 && strcmp(CMD_ARGV[2], "bulk") == 0){
+ lpc3180_info->is_bulk = 1;
+ }
+ else{
+ lpc3180_info->is_bulk = 0;
+ }
}
else
{
@@ -895,7 +1321,12 @@ COMMAND_HANDLER(handle_lpc3180_select_command)
}
}
+ if (lpc3180_info->selected_controller == LPC3180_MLC_CONTROLLER)
command_print(CMD_CTX, "%s controller selected", selected[lpc3180_info->selected_controller]);
+ else{
+ command_print(CMD_CTX, lpc3180_info->is_bulk?"%s controller selected bulk mode is avaliable":"%s controller selected bulk mode is not avaliable", selected[lpc3180_info->selected_controller]);
+ }
+
return ERROR_OK;
}
@@ -905,8 +1336,8 @@ static const struct command_registration lpc3180_exec_command_handlers[] = {
.name = "select",
.handler = handle_lpc3180_select_command,
.mode = COMMAND_EXEC,
- .help = "select MLC or SLC controller (default is MLC)",
- .usage = "bank_id ['mlc'|'slc']",
+ .help = "select MLC or SLC controller (default is MLC), SLC can be set to bulk mode",
+ .usage = "bank_id ['mlc'|'slc' ['bulk'] ]",
},
COMMAND_REGISTRATION_DONE
};
diff --git a/src/flash/nand/lpc3180.h b/src/flash/nand/lpc3180.h
index 0891cedf..88280f32 100644
--- a/src/flash/nand/lpc3180.h
+++ b/src/flash/nand/lpc3180.h
@@ -32,6 +32,7 @@ struct lpc3180_nand_controller
struct target *target;
int osc_freq;
enum lpc3180_selected_controller selected_controller;
+ int is_bulk;
int sw_write_protection;
uint32_t sw_wp_lower_bound;
uint32_t sw_wp_upper_bound;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-02 17:07:59 +0000