Signed-off-by: Stefan Tauner stefan.tauner@student.tuwien.ac.at --- ichspi.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++---------- 1 files changed, 62 insertions(+), 12 deletions(-)
diff --git a/ichspi.c b/ichspi.c index 2788aec..6152fe1 100644 --- a/ichspi.c +++ b/ichspi.c @@ -43,6 +43,37 @@ #include "spi.h"
/* ICH9 controller register definition */ +#define ICH9_REG_HSFS 0x04 /* 16 Bits Hardware Sequencing Flash Status */ +#define HSFS_FDONE_OFF 0 /* 0: Flash Cycle Done */ +#define HSFS_FDONE (0x1 << HSFS_FDONE_OFF) +#define HSFS_FCERR_OFF 1 /* 1: Flash Cycle Error */ +#define HSFS_FCERR (0x1 << HSFS_FCERR_OFF) +#define HSFS_AEL_OFF 2 /* 2: Access Error Log */ +#define HSFS_AEL (0x1 << HSFS_AEL_OFF) +#define HSFS_BERASE_OFF 3 /* 3-4: Block/Sector Erase Size */ +#define HSFS_BERASE (0x1 << HSFS_BERASE_OFF) +#define HSFS_SCIP_OFF 5 /* 5: SPI Cycle In Progress */ +#define HSFS_SCIP (0x1 << HSFS_SCIP_OFF) + /* 6-12: reserved */ +#define HSFS_FDOPSS_OFF 13 /* 13: Flash Descriptor Override Pin-Strap Status */ +#define HSFS_FDOPSS (0x1 << HSFS_FDOPSS_OFF) +#define HSFS_FDV_OFF 14 /* 14: Flash Descriptor Valid */ +#define HSFS_FDV (0x1 << HSFS_FDV_OFF) +#define HSFS_FLOCKDN_OFF 15 /* 15: Flash Configuration Lock-Down */ +#define HSFS_FLOCKDN (0x1 << HSFS_FLOCKDN_OFF) + +#define ICH9_REG_HSFC 0x06 /* 16 Bits Hardware Sequencing Flash Control */ +#define HSFC_FGO_OFF 0 /* 0: Flash Cycle Go */ +#define HSFC_FGO (0x1 << HSFC_FGO_OFF) +#define HSFC_FCYCLE_OFF 1 /* 1-2: FLASH Cycle */ +#define HSFC_FCYCLE (0x1 << HSFC_FCYCLE_OFF) + /* 3-7: reserved */ +#define HSFC_FDBC_OFF 8 /* 8-13: Flash Data Byte Count */ +#define HSFC_FDBC (0x3f << HSFC_FDBC_OFF) + /* 14: reserved */ +#define HSFC_SME_OFF 15 /* 15: SPI SMI# Enable */ +#define HSFC_SME (0x1 << HSFC_SME_OFF) + #define ICH9_REG_FADDR 0x08 /* 32 Bits */ #define ICH9_REG_FDATA0 0x10 /* 64 Bytes */
@@ -260,6 +291,28 @@ static void pretty_print_opcodes(OPCODES *ops) }
#define pprint_reg(reg, bit, val, sep) msg_pdbg("%s=%d" sep, #bit, (val & reg##_##bit)>>reg##_##bit##_OFF) +static void prettyprint_ich9_reg_hsfs(uint16_t reg_val) +{ + msg_pdbg("HSFS: "); + pprint_reg(HSFS, FDONE, reg_val, ", "); + pprint_reg(HSFS, FCERR, reg_val, ", "); + pprint_reg(HSFS, AEL, reg_val, ", "); + pprint_reg(HSFS, BERASE, reg_val, ", "); + pprint_reg(HSFS, SCIP, reg_val, ", "); + pprint_reg(HSFS, FDOPSS, reg_val, ", "); + pprint_reg(HSFS, FDV, reg_val, ", "); + pprint_reg(HSFS, FLOCKDN, reg_val, "\n"); +} + +static void prettyprint_ich9_reg_hsfc(uint16_t reg_val) +{ + msg_pdbg("HSFC: "); + pprint_reg(HSFC, FGO, reg_val, ", "); + pprint_reg(HSFC, FCYCLE, reg_val, ", "); + pprint_reg(HSFC, FDBC, reg_val, ", "); + pprint_reg(HSFC, SME, reg_val, "\n"); +} + static void prettyprint_ich9_reg_ssfs(uint32_t reg_val) { msg_pdbg("SSFS: "); @@ -1203,14 +1256,15 @@ int ich_init_spi(struct pci_dev *dev, uint32_t base, void *rcrb, case SPI_CONTROLLER_ICH9: tmp2 = mmio_readw(ich_spibar + 4); msg_pdbg("0x04: 0x%04x (HSFS)\n", tmp2); - msg_pdbg("FLOCKDN %i, ", (tmp2 >> 15 & 1)); - msg_pdbg("FDV %i, ", (tmp2 >> 14) & 1); - msg_pdbg("FDOPSS %i, ", (tmp2 >> 13) & 1); - msg_pdbg("SCIP %i, ", (tmp2 >> 5) & 1); - msg_pdbg("BERASE %i, ", (tmp2 >> 3) & 3); - msg_pdbg("AEL %i, ", (tmp2 >> 2) & 1); - msg_pdbg("FCERR %i, ", (tmp2 >> 1) & 1); - msg_pdbg("FDONE %i\n", (tmp2 >> 0) & 1); + prettyprint_ich9_reg_hsfs(tmp2); + if (tmp2 & (1 << 15)) { + msg_pinfo("WARNING: SPI Configuration Lockdown activated.\n"); + ichspi_lock = 1; + } + + tmp2 = mmio_readw(ich_spibar + 6); + msg_pdbg("0x06: 0x%04x (HSFC)\n", tmp2); + prettyprint_ich9_reg_hsfc(tmp2);
tmp = mmio_readl(ich_spibar + 0x50); msg_pdbg("0x50: 0x%08x (FRAP)\n", tmp); @@ -1257,10 +1311,6 @@ int ich_init_spi(struct pci_dev *dev, uint32_t base, void *rcrb, ichspi_bbar); msg_pdbg("0xB0: 0x%08x (FDOC)\n", mmio_readl(ich_spibar + 0xB0)); - if (tmp2 & (1 << 15)) { - msg_pinfo("WARNING: SPI Configuration Lockdown activated.\n"); - ichspi_lock = 1; - } ich_init_opcodes(); break; default:
-
Stefan Tauner