summaryrefslogtreecommitdiffstats
path: root/msys_doc.c
diff options
context:
space:
mode:
authorOllie Lho <ollie@sis.com.tw>2004-03-20 16:46:10 +0000
committerOllie Lho <ollie@sis.com.tw>2004-03-20 16:46:10 +0000
commit761bf1bdb7268f8818dd22b15e944365afdf1459 (patch)
treeecbd632c87d64c6651f84a705ce4c3861108069d /msys_doc.c
parent73eca80d9b28bfc38fa4b8d2ef9c580840133a38 (diff)
downloadast2050-flashrom-761bf1bdb7268f8818dd22b15e944365afdf1459.zip
ast2050-flashrom-761bf1bdb7268f8818dd22b15e944365afdf1459.tar.gz
Consolidate more jedec standard code
Corresponding to flashrom svn r15 and coreboot v2 svn r1457.
Diffstat (limited to 'msys_doc.c')
-rw-r--r--msys_doc.c180
1 files changed, 86 insertions, 94 deletions
diff --git a/msys_doc.c b/msys_doc.c
index bfa4eca..a11249e 100644
--- a/msys_doc.c
+++ b/msys_doc.c
@@ -40,14 +40,13 @@ static void doc_write_cdsncontrol(volatile char *bios, unsigned char data);
-int
-probe_md2802(struct flashchip * flash)
+int probe_md2802(struct flashchip *flash)
{
volatile char *bios = flash->virt_addr;
unsigned char chipid;
#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
unsigned char id_0x55, id_0xAA;
-#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
+#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
int i, toggle_a, toggle_b;
printf("%s:\n", __FUNCTION__);
@@ -66,14 +65,15 @@ probe_md2802(struct flashchip * flash)
doc_write(0x85, bios, DOCControl);
doc_write(0x85, bios, DOCControl);
doc_read_4nop(bios);
- if(doc_wait(bios, 5000))
- return(-1);
+ if (doc_wait(bios, 5000))
+ return (-1);
printf("%s: switching off reset mode ... done\n", __FUNCTION__);
printf("%s:\n", __FUNCTION__);
printf("%s: switching off write protection ...\n", __FUNCTION__);
- doc_write_cdsncontrol(bios, doc_read_cdsncontrol(bios)&(~0x08));
- printf("%s: switching off write protection ... done\n", __FUNCTION__);
+ doc_write_cdsncontrol(bios, doc_read_cdsncontrol(bios) & (~0x08));
+ printf("%s: switching off write protection ... done\n",
+ __FUNCTION__);
printf("%s:\n", __FUNCTION__);
@@ -81,129 +81,128 @@ probe_md2802(struct flashchip * flash)
#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
id_0x55 = doc_read(bios, IPL_0x0000);
id_0xAA = doc_read(bios, IPL_0x0001);
-#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
+#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
printf("%s: IPL_0x0000: 0x%02x\n", __FUNCTION__, id_0x55);
printf("%s: IPL_0x0001: 0x%02x\n", __FUNCTION__, id_0xAA);
printf("%s: IPL_0x0002: 0x%02x\n", __FUNCTION__,
- doc_read(bios, IPL_0x0002));
+ doc_read(bios, IPL_0x0002));
printf("%s: IPL_0x0003: 0x%02x\n", __FUNCTION__,
- doc_read(bios, IPL_0x0003));
+ doc_read(bios, IPL_0x0003));
printf("%s:\n", __FUNCTION__);
printf("%s: ChipID: 0x%02x\n", __FUNCTION__, chipid);
printf("%s: DOCStatus: 0x%02x\n", __FUNCTION__,
- doc_read_docstatus(bios));
+ doc_read_docstatus(bios));
printf("%s: FloorSelect: 0x%02x\n", __FUNCTION__,
- doc_read(bios, FloorSelect));
+ doc_read(bios, FloorSelect));
printf("%s: CDSNControl: 0x%02x\n", __FUNCTION__,
- doc_read_cdsncontrol(bios));
+ doc_read_cdsncontrol(bios));
printf("%s: CDSNDeviceSelect: 0x%02x\n", __FUNCTION__,
- doc_read(bios, CDSNDeviceSelect));
+ doc_read(bios, CDSNDeviceSelect));
printf("%s: ECCConfiguration: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCConfiguration));
+ doc_read(bios, ECCConfiguration));
printf("%s: CDSNSlowIO: 0x%02x\n", __FUNCTION__,
- doc_read(bios, CDSNSlowIO));
+ doc_read(bios, CDSNSlowIO));
printf("%s: ECCSyndrome0: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome0));
+ doc_read(bios, ECCSyndrome0));
printf("%s: ECCSyndrome1: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome1));
+ doc_read(bios, ECCSyndrome1));
printf("%s: ECCSyndrome2: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome2));
+ doc_read(bios, ECCSyndrome2));
printf("%s: ECCSyndrome3: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome3));
+ doc_read(bios, ECCSyndrome3));
printf("%s: ECCSyndrome4: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome4));
+ doc_read(bios, ECCSyndrome4));
printf("%s: ECCSyndrome5: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ECCSyndrome5));
+ doc_read(bios, ECCSyndrome5));
printf("%s: AliasResolution: 0x%02x\n", __FUNCTION__,
- doc_read(bios, AliasResolution));
+ doc_read(bios, AliasResolution));
printf("%s: ConfigurationInput: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ConfigurationInput));
+ doc_read(bios, ConfigurationInput));
printf("%s: ReadPipelineInitialization: 0x%02x\n", __FUNCTION__,
- doc_read(bios, ReadPipelineInitialization));
+ doc_read(bios, ReadPipelineInitialization));
printf("%s: LastDataRead: 0x%02x\n", __FUNCTION__,
- doc_read(bios, LastDataRead));
+ doc_read(bios, LastDataRead));
printf("%s:\n", __FUNCTION__);
printf("%s: checking ECCConfiguration toggle bit\n", __FUNCTION__);
printf("%s:", __FUNCTION__);
toggle_a = toggle_b = 0;
- for(i=0; i<10; i++)
- {
+ for (i = 0; i < 10; i++) {
unsigned char toggle = doc_toggle(bios);
printf(" 0x%02x", toggle);
- if(i%2)
+ if (i % 2)
toggle_a += toggle;
else
toggle_b += toggle;
- } /* for(i=0; i<10; i++) */
- printf("\n%s: toggle result: %d/%d\n", __FUNCTION__, toggle_a, toggle_b);
+ } /* for(i=0; i<10; i++) */
+ printf("\n%s: toggle result: %d/%d\n", __FUNCTION__, toggle_a,
+ toggle_b);
- if(chipid == flash->model_id
- && ((toggle_a==5 && toggle_b==0)||(toggle_a==0 && toggle_b==5))
+ if (chipid == flash->model_id
+ && ((toggle_a == 5 && toggle_b == 0)
+ || (toggle_a == 0 && toggle_b == 5))
#ifndef MSYSTEMS_DOC_NO_55AA_CHECKING
- && id_0x55 == 0x55 && id_0xAA == 0xaa
-#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
- )
- {
- return(1);
+ && id_0x55 == 0x55 && id_0xAA == 0xaa
+#endif /* !MSYSTEMS_DOC_NO_55AA_CHECKING */
+ ) {
+ return (1);
}
- return(0);
-} /* int probe_md2802(struct flashchip *flash) */
+ return (0);
+} /* int probe_md2802(struct flashchip *flash) */
-int
-read_md2802(struct flashchip *flash, unsigned char *buf)
+int read_md2802(struct flashchip *flash, unsigned char *buf)
{
-
- return(0);
-} /* int read_md2802(struct flashchip *flash, unsigned char *buf) */
+ return (0);
+} /* int read_md2802(struct flashchip *flash, unsigned char *buf) */
-int
-erase_md2802(struct flashchip *flash)
+
+int erase_md2802(struct flashchip *flash)
{
volatile char *bios = flash->virt_addr;
- return(1);
- *(volatile char *)(bios + 0x5555) = 0xAA;
- *(volatile char *)(bios + 0x2AAA) = 0x55;
- *(volatile char *)(bios + 0x5555) = 0x80;
+ return (1);
+ *(volatile char *) (bios + 0x5555) = 0xAA;
+ *(volatile char *) (bios + 0x2AAA) = 0x55;
+ *(volatile char *) (bios + 0x5555) = 0x80;
- *(volatile char *)(bios + 0x5555) = 0xAA;
- *(volatile char *)(bios + 0x2AAA) = 0x55;
- *(volatile char *)(bios + 0x5555) = 0x10;
-} /* int erase_md2802(struct flashchip *flash) */
+ *(volatile char *) (bios + 0x5555) = 0xAA;
+ *(volatile char *) (bios + 0x2AAA) = 0x55;
+ *(volatile char *) (bios + 0x5555) = 0x10;
+} /* int erase_md2802(struct flashchip *flash) */
-int
-write_md2802(struct flashchip *flash, unsigned char *buf)
+int write_md2802(struct flashchip *flash, unsigned char *buf)
{
int i;
- int total_size = flash->total_size *1024, page_size = flash->page_size;
- volatile unsigned char * bios = flash->virt_addr;
+ int total_size = flash->total_size * 1024, page_size =
+ flash->page_size;
+ volatile unsigned char *bios = flash->virt_addr;
- return(1);
- erase_md2802 (flash);
- if (*bios != (unsigned char ) 0xff) {
+ return (1);
+ erase_md2802(flash);
+ if (*bios != (unsigned char) 0xff) {
printf("ERASE FAILED\n");
return -1;
}
- printf ("Programming Page: ");
- for (i = 0; i < total_size/page_size; i++) {
- printf ("%04d at address: 0x%08x", i, i * page_size);
+ printf("Programming Page: ");
+ for (i = 0; i < total_size / page_size; i++) {
+ printf("%04d at address: 0x%08x", i, i * page_size);
//write_page_md2802(bios, buf + i * page_size, bios + i * page_size, page_size);
- printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
+ printf
+ ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
}
printf("\n");
//protect_md2802(bios);
-} /* int write_md2802(struct flashchip *flash, char *buf) */
+} /* int write_md2802(struct flashchip *flash, char *buf) */
@@ -216,74 +215,67 @@ write_md2802(struct flashchip *flash, unsigned char *buf)
0: ready
-1: timeout expired
*/
-static int
-doc_wait(volatile char *bios, int timeout)
+static int doc_wait(volatile char *bios, int timeout)
{
int i = 20;
doc_read_4nop(bios);
- while(_doc_busy(bios) && (i != 0))
- {
- usleep(timeout*1000/20);
+ while (_doc_busy(bios) && (i != 0)) {
+ usleep(timeout * 1000 / 20);
i--;
}
doc_read_2nop(bios);
- if(_doc_busy(bios))
- {
+ if (_doc_busy(bios)) {
doc_read_2nop(bios);
- return(-1);
+ return (-1);
}
- return(0);
-} /* static int doc_wait(volatile char *bios, int timeout) */
+ return (0);
+} /* static int doc_wait(volatile char *bios, int timeout) */
-static unsigned char
-doc_read_docstatus(volatile char *bios)
+static unsigned char doc_read_docstatus(volatile char *bios)
{
doc_read(bios, CDSNSlowIO);
doc_read_2nop(bios);
- return(doc_read(bios, _DOCStatus));
-} /* static unsigned char doc_read_docstatus(volatile char *bios) */
+ return (doc_read(bios, _DOCStatus));
+} /* static unsigned char doc_read_docstatus(volatile char *bios) */
-static unsigned char
-doc_read_chipid(volatile char *bios)
+static unsigned char doc_read_chipid(volatile char *bios)
{
doc_read(bios, CDSNSlowIO);
doc_read_2nop(bios);
- return(doc_read(bios, _ChipID));
-} /* static unsigned char doc_read_chipid(volatile char *bios) */
+ return (doc_read(bios, _ChipID));
+} /* static unsigned char doc_read_chipid(volatile char *bios) */
-static unsigned char
-doc_read_cdsncontrol(volatile char *bios)
+static unsigned char doc_read_cdsncontrol(volatile char *bios)
{
unsigned char value;
/* the delays might be necessary when reading the busy bit,
- but because a read to this reg reads the busy bit
- anyway we better do this delays... */
+ but because a read to this reg reads the busy bit
+ anyway we better do this delays... */
doc_read_4nop(bios);
value = doc_read(bios, _CDSNControl);
doc_read_2nop(bios);
- return(value);
-} /* static unsigned char doc_read_chipid(volatile char *bios) */
+ return (value);
+} /* static unsigned char doc_read_chipid(volatile char *bios) */
-static void
-doc_write_cdsncontrol(volatile char *bios, unsigned char data)
+static void doc_write_cdsncontrol(volatile char *bios, unsigned char data)
{
doc_write(data, bios, _CDSNControl);
doc_read_4nop(bios);
-} /* static void doc_write_chipid(volatile char *bios, unsigned char data) */
+} /* static void doc_write_chipid(volatile char *bios, unsigned char data) */
OpenPOWER on IntegriCloud