Signed-off-by: Stefan Tauner <[email protected]>
---
ichspi.c | 51 +++++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 45 insertions(+), 6 deletions(-)
diff --git a/ichspi.c b/ichspi.c
index 676b93a..7e4a363 100644
--- a/ichspi.c
+++ b/ichspi.c
@@ -243,6 +243,44 @@ static OPCODE POSSIBLE_OPCODES[] = {
static OPCODES O_EXISTING = {};
+/* pretty printing functions */
+static void pretty_print_opcodes(OPCODES *ops)
+{
+ if(ops == NULL)
+ return;
+
+ msg_pdbg("preop0=0x%02x, preop1=0x%02x\n", ops->preop[0],
ops->preop[1]);
+
+ OPCODE oc;
+ uint8_t i;
+ for (i = 0; i < 8; i++) {
+ oc = ops->opcode[i];
+ msg_pdbg("op[%d]=0x%02x, %d, %d\n", i, oc.opcode, oc.spi_type,
oc.atomic);
+ }
+}
+
+#define pprint_reg(reg, bit, val, sep) msg_pdbg("%s=%d" sep, #bit, (val &
reg##_##bit)>>reg##_##bit##_OFF)
+static void prettyprint_ich9_reg_ssfs(uint32_t reg_val)
+{
+ msg_pdbg("SSFS: ");
+ pprint_reg(SSFS, SCIP, reg_val, ", ");
+ pprint_reg(SSFS, FDONE, reg_val, ", ");
+ pprint_reg(SSFS, FCERR, reg_val, ", ");
+ pprint_reg(SSFS, AEL, reg_val, "\n");
+}
+
+static void prettyprint_ich9_reg_ssfc(uint32_t reg_val)
+{
+ msg_pdbg("SSFC: ");
+ pprint_reg(SSFC, SCGO, reg_val, ", ");
+ pprint_reg(SSFC, ACS, reg_val, ", ");
+ pprint_reg(SSFC, SPOP, reg_val, ", ");
+ pprint_reg(SSFC, COP, reg_val, ", ");
+ pprint_reg(SSFC, DBC, reg_val, ", ");
+ pprint_reg(SSFC, SME, reg_val, ", ");
+ pprint_reg(SSFC, SCF, reg_val, "\n");
+}
+
static uint8_t lookup_spi_type(uint8_t opcode)
{
int a;
@@ -519,6 +557,8 @@ static int ich_init_opcodes(void)
} else {
curopcodes = curopcodes_done;
msg_pdbg("done\n");
+ pretty_print_opcodes(curopcodes);
+ msg_pdbg("\n");
return 0;
}
}
@@ -793,6 +833,8 @@ static int ich9_run_opcode(OPCODE op, uint32_t offset,
temp32 = REGREAD32(ICH9_REG_SSFS);
if (temp32 & SSFS_FCERR) {
msg_perr("Transaction error!\n");
+ prettyprint_ich9_reg_ssfs(temp32);
+ prettyprint_ich9_reg_ssfc(temp32);
/* keep reserved bits */
temp32 &= SSFS_RESERVED_MASK | SSFC_RESERVED_MASK;
/* Clear the transaction error. */
@@ -1195,16 +1237,13 @@ int ich_init_spi(struct pci_dev *dev, uint32_t base,
void *rcrb,
tmp = mmio_readl(ich_spibar + 0x90);
msg_pdbg("0x90: 0x%02x (SSFS)\n", tmp & 0xff);
- msg_pdbg("AEL %i, ", (tmp >> 4) & 1);
- msg_pdbg("FCERR %i, ", (tmp >> 3) & 1);
- msg_pdbg("FDONE %i, ", (tmp >> 2) & 1);
- msg_pdbg("SCIP %i\n", (tmp >> 0) & 1);
+ prettyprint_ich9_reg_ssfs(tmp);
if (tmp & (1 << 3)) {
msg_pdbg("Clearing SSFS.FCERR\n");
mmio_writeb(1 << 3, ich_spibar + 0x90);
}
- tmp >>= 8;
- msg_pdbg("0x91: 0x%06x (SSFC)\n", tmp);
+ msg_pdbg("0x91: 0x%06x (SSFC)\n", tmp >> 8);
+ prettyprint_ich9_reg_ssfc(tmp);
msg_pdbg("0x94: 0x%04x (PREOP)\n",
mmio_readw(ich_spibar + 0x94));
--
1.7.1
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