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LPC1768 IAP Fix #4993
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Merged
LPC1768 IAP Fix #4993
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6e94989
initial IAP routine
chrissnow cc61e3a
remove CMSIS algorithm and enable bootloader
chrissnow 17ac327
missing CR
chrissnow a7983a6
Ensure IAP uses word boundary aligned data.
chrissnow fe9c20a
Fix flash_mapping_alignment_test so that invalid addresses are report…
chrissnow 6bd0ec1
Disable bootloader's for now
chrissnow 2f15725
Code tidy.
chrissnow 44713ce
Remove SET_VALID_CODE
chrissnow 5eea5de
Resolve warning
chrissnow 3fabf8f
Tidy if else code aligment.
chrissnow 58800b0
Code tidy.
chrissnow f352920
Code tidy
chrissnow File filter
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@@ -13,55 +13,169 @@ | |
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
#if DEVICE_FLASH | ||
#include "mbed_critical.h" | ||
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#include "flash_api.h" | ||
#include "platform/mbed_critical.h" | ||
#include "mbed_assert.h" | ||
#include "cmsis.h" | ||
#include <stdlib.h> | ||
#include <string.h> | ||
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// This file is automatically generated | ||
#define MEMMAP (*((volatile unsigned long *) 0x400FC040)) | ||
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#if DEVICE_FLASH | ||
#define PLL0CON (*((volatile unsigned long *) 0x400FC080)) | ||
#define PLL0CFG (*((volatile unsigned long *) 0x400FC084)) | ||
#define PLL0STAT (*((volatile unsigned long *) 0x400FC088)) | ||
#define PLL0FEED (*((volatile unsigned long *) 0x400FC08C)) | ||
#define CCLKSEL (*((volatile unsigned long *) 0x400FC104)) | ||
#define CLKSRCSEL (*((volatile unsigned long *) 0x400FC10C)) | ||
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#define STACK_SIZE 64 // Stack Size | ||
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#define SET_VALID_CODE 1 // Set Valid User Code Signature | ||
/* IAP Call */ | ||
typedef void (*IAP_Entry) (unsigned long *cmd, unsigned long *stat); | ||
#define IAP_Call ((IAP_Entry) 0x1FFF1FF1) | ||
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typedef struct flash_s flash_t; | ||
unsigned long CCLK;// CCLK in kHz | ||
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struct sIAP {// IAP Structure | ||
unsigned long cmd;// Command | ||
unsigned long par[4];// Parameters | ||
unsigned long stat;// Status | ||
unsigned long res[2];// Result | ||
}IAP; | ||
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/* | ||
* Get Sector Number | ||
* Parameter: address: Sector Address | ||
* Return Value: Sector Number | ||
*/ | ||
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unsigned long GetSecNum (unsigned long address) { | ||
unsigned long n; | ||
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n = address >> 12;// 4kB Sector | ||
if (n >= 0x10) { | ||
n = 0x0E + (n >> 3);// 32kB Sector | ||
} | ||
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return (n);// Sector Number | ||
} | ||
int32_t flash_init(flash_t *obj) | ||
{ | ||
CCLK = SystemCoreClock / 1000;// CCLK value is in kHz, clk in Hz | ||
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MEMMAP = 0x01;// User Flash Mode | ||
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return (0); | ||
} | ||
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int32_t flash_free(flash_t *obj) | ||
{ | ||
return 0; | ||
} | ||
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int32_t flash_erase_sector(flash_t *obj, uint32_t address) | ||
{ | ||
unsigned long n; | ||
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n = GetSecNum(address); // Get Sector Number | ||
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IAP.cmd = 50;// Prepare Sector for Erase | ||
IAP.par[0] = n;// Start Sector | ||
IAP.par[1] = n;// End Sector | ||
IAP_Call (&IAP.cmd, &IAP.stat);// Call IAP Command | ||
if (IAP.stat) return (1);// Command Failed | ||
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IAP.cmd = 52;// Erase Sector | ||
IAP.par[0] = n;// Start Sector | ||
IAP.par[1] = n;// End Sector | ||
IAP.par[2] = CCLK;// CCLK in kHz | ||
IAP_Call (&IAP.cmd, &IAP.stat);// Call IAP Command | ||
if (IAP.stat) return (1);// Command Failed | ||
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return (0);// Finished without Errors | ||
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} | ||
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/* IAP Call */ | ||
typedef void (*IAP_Entry) (unsigned long *cmd, unsigned long *stat); | ||
#define IAP_Call ((IAP_Entry) 0x1FFF1FF1) | ||
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int32_t flash_program_page(flash_t *obj, uint32_t address, | ||
const uint8_t *data, uint32_t size) | ||
{ | ||
unsigned long n; | ||
uint8_t *alignedData = 0; | ||
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n = GetSecNum(address);// Get Sector Number | ||
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IAP.cmd = 50;// Prepare Sector for Write | ||
IAP.par[0] = n;// Start Sector | ||
IAP.par[1] = n;// End Sector | ||
IAP_Call (&IAP.cmd, &IAP.stat);// Call IAP Command | ||
if (IAP.stat) return (1);// Command Failed | ||
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IAP.cmd = 51;// Copy RAM to Flash | ||
IAP.par[0] = address;// Destination Flash Address | ||
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if ((unsigned long)data%4==0)// Word boundary | ||
{ | ||
IAP.par[1] = (unsigned long)data;// Source RAM Address | ||
} | ||
else | ||
{ | ||
alignedData = malloc(size); | ||
memcpy(alignedData,data,size); | ||
IAP.par[1] = (unsigned long)alignedData;// Source RAM Address | ||
} | ||
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IAP.par[2] = 1024;// Fixed Page Size | ||
IAP.par[3] = CCLK;// CCLK in kHz | ||
IAP_Call (&IAP.cmd, &IAP.stat);// Call IAP Command | ||
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if(alignedData !=0)//We allocated our own memory | ||
{ | ||
free(alignedData); | ||
} | ||
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if (IAP.stat) return (1);// Command Failed | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Should be
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return (0);// Finished without Errors | ||
} | ||
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uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address) | ||
{ | ||
if(address < flash_get_start_address(obj) || address >= flash_get_start_address(obj) +flash_get_size(obj)) | ||
{ | ||
return MBED_FLASH_INVALID_SIZE; | ||
} | ||
if(GetSecNum(address)>=0x10) | ||
{ | ||
return 0x8000; | ||
} | ||
else | ||
{ | ||
return 0x1000; | ||
} | ||
} | ||
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uint32_t flash_get_page_size(const flash_t *obj) | ||
{ | ||
return 1024; | ||
} | ||
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uint32_t flash_get_start_address(const flash_t *obj) | ||
{ | ||
return LPC_FLASH_BASE; | ||
} | ||
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#include "flash_data.h" | ||
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// This is a flash algo binary blob. It is PIC (position independent code) that should be stored in RAM | ||
static uint32_t FLASH_ALGO[] = { | ||
0x28100b00, 0x210ed302, 0x00d0eb01, 0xf44f4770, 0xfbb1707a, 0x4933f0f0, 0x60084449, 0x20014932, | ||
0x20006408, 0x20004770, 0xe92d4770, 0xf7ff41f0, 0x4d2effe7, 0x444d4604, 0xe9c52032, 0xf1050400, | ||
0x4e2b0114, 0x4628460f, 0x47b060ac, 0xb9686968, 0xe9c52034, 0x48230400, 0x444860ac, 0x68004639, | ||
0x462860e8, 0x696847b0, 0xd0002800, 0xe8bd2001, 0xe92d81f0, 0x461441f0, 0xd10e0006, 0x0100e9d4, | ||
0xe9d44408, 0x44111202, 0x69214408, 0x69614408, 0x69a14408, 0x42404408, 0x463061e0, 0xffb0f7ff, | ||
0x21324d12, 0x4f12444d, 0x1000e9c5, 0x0114f105, 0x468860a8, 0x47b84628, 0xb9806968, 0xe9c52033, | ||
0xf44f0600, 0xe9c56080, 0x48064002, 0x44484641, 0x61286800, 0x47b84628, 0x28006968, 0x2001d0c7, | ||
0x0000e7c5, 0x00000004, 0x400fc000, 0x00000008, 0x1fff1ff1, 0x00000000, 0x00000000, 0x00000000, | ||
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 | ||
}; | ||
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static const flash_algo_t flash_algo_config = { | ||
.init = 0xf, | ||
.uninit = 0x27, | ||
.erase_sector = 0x2b, | ||
.program_page = 0x73, | ||
.static_base = 0xf4, | ||
.algo_blob = FLASH_ALGO | ||
}; | ||
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static const sector_info_t sectors_info[] = { | ||
{0x0, 0x1000}, | ||
{0x10000, 0x8000}, | ||
}; | ||
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static const flash_target_config_t flash_target_config = { | ||
.page_size = 0x400, | ||
.flash_start = 0x0, | ||
.flash_size = 0x80000, | ||
.sectors = sectors_info, | ||
.sector_info_count = sizeof(sectors_info) / sizeof(sector_info_t) | ||
}; | ||
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void flash_set_target_config(flash_t *obj) | ||
uint32_t flash_get_size(const flash_t *obj) | ||
{ | ||
obj->flash_algo = &flash_algo_config; | ||
obj->target_config = &flash_target_config; | ||
return 0x80000; | ||
} | ||
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#endif |
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