Signed-off-by: Stefan Tauner stefan.tauner@student.tuwien.ac.at --- ichspi.c | 50 ++++++++++++++++++++++++++++++++++++++++++++------ 1 files changed, 44 insertions(+), 6 deletions(-)
diff --git a/ichspi.c b/ichspi.c index 67c4efb..f5d6bbc 100644 --- a/ichspi.c +++ b/ichspi.c @@ -242,6 +242,44 @@ 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; @@ -518,6 +556,7 @@ static int ich_init_opcodes(void) } else { curopcodes = curopcodes_done; msg_pdbg("done\n"); + pretty_print_opcodes(curopcodes); return 0; } } @@ -792,6 +831,8 @@ 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. */ @@ -1193,16 +1234,13 @@ 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));