[SCSI] advansys: Create AdvLoadMicrocode
Split AdvLoadMicrocode out of AdvInitAsc3550Driver, AdvInitAsc38C0800Driver
and AdvInitAsc38C1600Driver.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index c216d6a..0f02f3f 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -12932,6 +12932,78 @@
}
/*
+ * Load the Microcode
+ *
+ * Write the microcode image to RISC memory starting at address 0.
+ *
+ * The microcode is stored compressed in the following format:
+ *
+ * 254 word (508 byte) table indexed by byte code followed
+ * by the following byte codes:
+ *
+ * 1-Byte Code:
+ * 00: Emit word 0 in table.
+ * 01: Emit word 1 in table.
+ * .
+ * FD: Emit word 253 in table.
+ *
+ * Multi-Byte Code:
+ * FE WW WW: (3 byte code) Word to emit is the next word WW WW.
+ * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW.
+ *
+ * Returns 0 or an error if the checksum doesn't match
+ */
+static int AdvLoadMicrocode(AdvPortAddr iop_base, unsigned char *buf, int size,
+ int memsize, int chksum)
+{
+ int i, j, end, len = 0;
+ ADV_DCNT sum;
+
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
+
+ for (i = 253 * 2; i < size; i++) {
+ if (buf[i] == 0xff) {
+ unsigned short word = (buf[i + 3] << 8) | buf[i + 2];
+ for (j = 0; j < buf[i + 1]; j++) {
+ AdvWriteWordAutoIncLram(iop_base, word);
+ len += 2;
+ }
+ i += 3;
+ } else if (buf[i] == 0xfe) {
+ unsigned short word = (buf[i + 2] << 8) | buf[i + 1];
+ AdvWriteWordAutoIncLram(iop_base, word);
+ i += 2;
+ len += 2;
+ } else {
+ unsigned char off = buf[i] * 2;
+ unsigned short word = (buf[off + 1] << 8) | buf[off];
+ AdvWriteWordAutoIncLram(iop_base, word);
+ len += 2;
+ }
+ }
+
+ end = len;
+
+ while (len < memsize) {
+ AdvWriteWordAutoIncLram(iop_base, 0);
+ len += 2;
+ }
+
+ /* Verify the microcode checksum. */
+ sum = 0;
+ AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
+
+ for (len = 0; len < end; len += 2) {
+ sum += AdvReadWordAutoIncLram(iop_base);
+ }
+
+ if (sum != chksum)
+ return ASC_IERR_MCODE_CHKSUM;
+
+ return 0;
+}
+
+/*
* Initialize the ASC-3550.
*
* On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
@@ -12945,13 +13017,10 @@
{
AdvPortAddr iop_base;
ushort warn_code;
- ADV_DCNT sum;
int begin_addr;
int end_addr;
ushort code_sum;
int word;
- int j;
- int adv_asc3550_expanded_size;
int i;
ushort scsi_cfg1;
uchar tid;
@@ -12960,15 +13029,14 @@
uchar max_cmd[ADV_MAX_TID + 1];
/* If there is already an error, don't continue. */
- if (asc_dvc->err_code != 0) {
+ if (asc_dvc->err_code != 0)
return ADV_ERROR;
- }
/*
* The caller must set 'chip_type' to ADV_CHIP_ASC3550.
*/
if (asc_dvc->chip_type != ADV_CHIP_ASC3550) {
- asc_dvc->err_code |= ASC_IERR_BAD_CHIPTYPE;
+ asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
return ADV_ERROR;
}
@@ -13012,84 +13080,11 @@
max_cmd[tid]);
}
- /*
- * Load the Microcode
- *
- * Write the microcode image to RISC memory starting at address 0.
- */
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
- /* Assume the following compressed format of the microcode buffer:
- *
- * 254 word (508 byte) table indexed by byte code followed
- * by the following byte codes:
- *
- * 1-Byte Code:
- * 00: Emit word 0 in table.
- * 01: Emit word 1 in table.
- * .
- * FD: Emit word 253 in table.
- *
- * Multi-Byte Code:
- * FE WW WW: (3 byte code) Word to emit is the next word WW WW.
- * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW.
- */
- word = 0;
- for (i = 253 * 2; i < _adv_asc3550_size; i++) {
- if (_adv_asc3550_buf[i] == 0xff) {
- for (j = 0; j < _adv_asc3550_buf[i + 1]; j++) {
- AdvWriteWordAutoIncLram(iop_base, (((ushort)
- _adv_asc3550_buf
- [i +
- 3] << 8) |
- _adv_asc3550_buf
- [i + 2]));
- word++;
- }
- i += 3;
- } else if (_adv_asc3550_buf[i] == 0xfe) {
- AdvWriteWordAutoIncLram(iop_base, (((ushort)
- _adv_asc3550_buf[i +
- 2]
- << 8) |
- _adv_asc3550_buf[i +
- 1]));
- i += 2;
- word++;
- } else {
- AdvWriteWordAutoIncLram(iop_base, (((ushort)
- _adv_asc3550_buf[(_adv_asc3550_buf[i] * 2) + 1] << 8) | _adv_asc3550_buf[_adv_asc3550_buf[i] * 2]));
- word++;
- }
- }
-
- /*
- * Set 'word' for later use to clear the rest of memory and save
- * the expanded mcode size.
- */
- word *= 2;
- adv_asc3550_expanded_size = word;
-
- /*
- * Clear the rest of ASC-3550 Internal RAM (8KB).
- */
- for (; word < ADV_3550_MEMSIZE; word += 2) {
- AdvWriteWordAutoIncLram(iop_base, 0);
- }
-
- /*
- * Verify the microcode checksum.
- */
- sum = 0;
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
-
- for (word = 0; word < adv_asc3550_expanded_size; word += 2) {
- sum += AdvReadWordAutoIncLram(iop_base);
- }
-
- if (sum != _adv_asc3550_chksum) {
- asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
+ asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc3550_buf,
+ _adv_asc3550_size, ADV_3550_MEMSIZE,
+ _adv_asc3550_chksum);
+ if (asc_dvc->err_code)
return ADV_ERROR;
- }
/*
* Restore the RISC memory BIOS region.
@@ -13460,13 +13455,10 @@
{
AdvPortAddr iop_base;
ushort warn_code;
- ADV_DCNT sum;
int begin_addr;
int end_addr;
ushort code_sum;
int word;
- int j;
- int adv_asc38C0800_expanded_size;
int i;
ushort scsi_cfg1;
uchar byte;
@@ -13476,9 +13468,8 @@
uchar max_cmd[ADV_MAX_TID + 1];
/* If there is already an error, don't continue. */
- if (asc_dvc->err_code != 0) {
+ if (asc_dvc->err_code != 0)
return ADV_ERROR;
- }
/*
* The caller must set 'chip_type' to ADV_CHIP_ASC38C0800.
@@ -13550,7 +13541,7 @@
byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
if ((byte & RAM_TEST_DONE) == 0
|| (byte & 0x0F) != PRE_TEST_VALUE) {
- asc_dvc->err_code |= ASC_IERR_BIST_PRE_TEST;
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
return ADV_ERROR;
}
@@ -13558,7 +13549,7 @@
DvcSleepMilliSecond(10); /* Wait for 10ms before reading back. */
if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
!= NORMAL_VALUE) {
- asc_dvc->err_code |= ASC_IERR_BIST_PRE_TEST;
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
return ADV_ERROR;
}
}
@@ -13577,99 +13568,18 @@
if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
/* Get here if Done bit not set or Status not 0. */
asc_dvc->bist_err_code = byte; /* for BIOS display message */
- asc_dvc->err_code |= ASC_IERR_BIST_RAM_TEST;
+ asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
return ADV_ERROR;
}
/* We need to reset back to normal mode after LRAM test passes. */
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
- /*
- * Load the Microcode
- *
- * Write the microcode image to RISC memory starting at address 0.
- *
- */
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
-
- /* Assume the following compressed format of the microcode buffer:
- *
- * 254 word (508 byte) table indexed by byte code followed
- * by the following byte codes:
- *
- * 1-Byte Code:
- * 00: Emit word 0 in table.
- * 01: Emit word 1 in table.
- * .
- * FD: Emit word 253 in table.
- *
- * Multi-Byte Code:
- * FE WW WW: (3 byte code) Word to emit is the next word WW WW.
- * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW.
- */
- word = 0;
- for (i = 253 * 2; i < _adv_asc38C0800_size; i++) {
- if (_adv_asc38C0800_buf[i] == 0xff) {
- for (j = 0; j < _adv_asc38C0800_buf[i + 1]; j++) {
- AdvWriteWordAutoIncLram(iop_base, (((ushort)
- _adv_asc38C0800_buf
- [i +
- 3] << 8) |
- _adv_asc38C0800_buf
- [i + 2]));
- word++;
- }
- i += 3;
- } else if (_adv_asc38C0800_buf[i] == 0xfe) {
- AdvWriteWordAutoIncLram(iop_base, (((ushort)
- _adv_asc38C0800_buf
- [i +
- 2] << 8) |
- _adv_asc38C0800_buf[i
- +
- 1]));
- i += 2;
- word++;
- } else {
- AdvWriteWordAutoIncLram(iop_base, (((ushort)
- _adv_asc38C0800_buf[(_adv_asc38C0800_buf[i] * 2) + 1] << 8) | _adv_asc38C0800_buf[_adv_asc38C0800_buf[i] * 2]));
- word++;
- }
- }
-
- /*
- * Set 'word' for later use to clear the rest of memory and save
- * the expanded mcode size.
- */
- word *= 2;
- adv_asc38C0800_expanded_size = word;
-
- /*
- * Clear the rest of ASC-38C0800 Internal RAM (16KB).
- */
- for (; word < ADV_38C0800_MEMSIZE; word += 2) {
- AdvWriteWordAutoIncLram(iop_base, 0);
- }
-
- /*
- * Verify the microcode checksum.
- */
- sum = 0;
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
-
- for (word = 0; word < adv_asc38C0800_expanded_size; word += 2) {
- sum += AdvReadWordAutoIncLram(iop_base);
- }
- ASC_DBG2(1, "AdvInitAsc38C0800Driver: word %d, i %d\n", word, i);
-
- ASC_DBG2(1,
- "AdvInitAsc38C0800Driver: sum 0x%lx, _adv_asc38C0800_chksum 0x%lx\n",
- (ulong)sum, (ulong)_adv_asc38C0800_chksum);
-
- if (sum != _adv_asc38C0800_chksum) {
- asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
+ asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc38C0800_buf,
+ _adv_asc38C0800_size, ADV_38C0800_MEMSIZE,
+ _adv_asc38C0800_chksum);
+ if (asc_dvc->err_code)
return ADV_ERROR;
- }
/*
* Restore the RISC memory BIOS region.
@@ -13807,16 +13717,18 @@
}
/*
- * All kind of combinations of devices attached to one of four connectors
- * are acceptable except HVD device attached. For example, LVD device can
- * be attached to SE connector while SE device attached to LVD connector.
- * If LVD device attached to SE connector, it only runs up to Ultra speed.
+ * All kind of combinations of devices attached to one of four
+ * connectors are acceptable except HVD device attached. For example,
+ * LVD device can be attached to SE connector while SE device attached
+ * to LVD connector. If LVD device attached to SE connector, it only
+ * runs up to Ultra speed.
*
- * If an HVD device is attached to one of LVD connectors, return an error.
- * However, there is no way to detect HVD device attached to SE connectors.
+ * If an HVD device is attached to one of LVD connectors, return an
+ * error. However, there is no way to detect HVD device attached to
+ * SE connectors.
*/
if (scsi_cfg1 & HVD) {
- asc_dvc->err_code |= ASC_IERR_HVD_DEVICE;
+ asc_dvc->err_code = ASC_IERR_HVD_DEVICE;
return ADV_ERROR;
}
@@ -13825,8 +13737,8 @@
* set the termination value based on a table listed in a_condor.h.
*
* If manual termination was specified with an EEPROM setting then
- * 'termination' was set-up in AdvInitFrom38C0800EEPROM() and is ready to
- * be 'ored' into SCSI_CFG1.
+ * 'termination' was set-up in AdvInitFrom38C0800EEPROM() and is ready
+ * to be 'ored' into SCSI_CFG1.
*/
if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
/* SE automatic termination control is enabled. */
@@ -13872,9 +13784,9 @@
scsi_cfg1 |= (~asc_dvc->cfg->termination & 0xF0);
/*
- * Clear BIG_ENDIAN, DIS_TERM_DRV, Terminator Polarity and HVD/LVD/SE bits
- * and set possibly modified termination control bits in the Microcode
- * SCSI_CFG1 Register Value.
+ * Clear BIG_ENDIAN, DIS_TERM_DRV, Terminator Polarity and HVD/LVD/SE
+ * bits and set possibly modified termination control bits in the
+ * Microcode SCSI_CFG1 Register Value.
*/
scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL & ~HVD_LVD_SE);
@@ -14022,13 +13934,10 @@
{
AdvPortAddr iop_base;
ushort warn_code;
- ADV_DCNT sum;
int begin_addr;
int end_addr;
ushort code_sum;
long word;
- int j;
- int adv_asc38C1600_expanded_size;
int i;
ushort scsi_cfg1;
uchar byte;
@@ -14113,7 +14022,7 @@
byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
if ((byte & RAM_TEST_DONE) == 0
|| (byte & 0x0F) != PRE_TEST_VALUE) {
- asc_dvc->err_code |= ASC_IERR_BIST_PRE_TEST;
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
return ADV_ERROR;
}
@@ -14121,7 +14030,7 @@
DvcSleepMilliSecond(10); /* Wait for 10ms before reading back. */
if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
!= NORMAL_VALUE) {
- asc_dvc->err_code |= ASC_IERR_BIST_PRE_TEST;
+ asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
return ADV_ERROR;
}
}
@@ -14140,95 +14049,18 @@
if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
/* Get here if Done bit not set or Status not 0. */
asc_dvc->bist_err_code = byte; /* for BIOS display message */
- asc_dvc->err_code |= ASC_IERR_BIST_RAM_TEST;
+ asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
return ADV_ERROR;
}
/* We need to reset back to normal mode after LRAM test passes. */
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
- /*
- * Load the Microcode
- *
- * Write the microcode image to RISC memory starting at address 0.
- *
- */
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
-
- /*
- * Assume the following compressed format of the microcode buffer:
- *
- * 254 word (508 byte) table indexed by byte code followed
- * by the following byte codes:
- *
- * 1-Byte Code:
- * 00: Emit word 0 in table.
- * 01: Emit word 1 in table.
- * .
- * FD: Emit word 253 in table.
- *
- * Multi-Byte Code:
- * FE WW WW: (3 byte code) Word to emit is the next word WW WW.
- * FF BB WW WW: (4 byte code) Emit BB count times next word WW WW.
- */
- word = 0;
- for (i = 253 * 2; i < _adv_asc38C1600_size; i++) {
- if (_adv_asc38C1600_buf[i] == 0xff) {
- for (j = 0; j < _adv_asc38C1600_buf[i + 1]; j++) {
- AdvWriteWordAutoIncLram(iop_base, (((ushort)
- _adv_asc38C1600_buf
- [i +
- 3] << 8) |
- _adv_asc38C1600_buf
- [i + 2]));
- word++;
- }
- i += 3;
- } else if (_adv_asc38C1600_buf[i] == 0xfe) {
- AdvWriteWordAutoIncLram(iop_base, (((ushort)
- _adv_asc38C1600_buf
- [i +
- 2] << 8) |
- _adv_asc38C1600_buf[i
- +
- 1]));
- i += 2;
- word++;
- } else {
- AdvWriteWordAutoIncLram(iop_base, (((ushort)
- _adv_asc38C1600_buf[(_adv_asc38C1600_buf[i] * 2) + 1] << 8) | _adv_asc38C1600_buf[_adv_asc38C1600_buf[i] * 2]));
- word++;
- }
- }
-
- /*
- * Set 'word' for later use to clear the rest of memory and save
- * the expanded mcode size.
- */
- word *= 2;
- adv_asc38C1600_expanded_size = word;
-
- /*
- * Clear the rest of ASC-38C1600 Internal RAM (32KB).
- */
- for (; word < ADV_38C1600_MEMSIZE; word += 2) {
- AdvWriteWordAutoIncLram(iop_base, 0);
- }
-
- /*
- * Verify the microcode checksum.
- */
- sum = 0;
- AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
-
- for (word = 0; word < adv_asc38C1600_expanded_size; word += 2) {
- sum += AdvReadWordAutoIncLram(iop_base);
- }
-
- if (sum != _adv_asc38C1600_chksum) {
- asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
+ asc_dvc->err_code = AdvLoadMicrocode(iop_base, _adv_asc38C1600_buf,
+ _adv_asc38C1600_size, ADV_38C1600_MEMSIZE,
+ _adv_asc38C1600_chksum);
+ if (asc_dvc->err_code)
return ADV_ERROR;
- }
/*
* Restore the RISC memory BIOS region.