diff options
Diffstat (limited to 'src/northbridge/intel/i855/raminit.c')
| -rw-r--r-- | src/northbridge/intel/i855/raminit.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/src/northbridge/intel/i855/raminit.c b/src/northbridge/intel/i855/raminit.c index 5d71a27ca1..386eda10bb 100644 --- a/src/northbridge/intel/i855/raminit.c +++ b/src/northbridge/intel/i855/raminit.c @@ -17,7 +17,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ - + #include <sdram_mode.h> #include <delay.h> @@ -28,7 +28,7 @@ * Set only what I need until it works, then make it figure things out on boot * assumes only one dimm is populated */ - + static void sdram_set_registers(const struct mem_controller *ctrl) { /* @@ -40,7 +40,7 @@ static void sdram_set_registers(const struct mem_controller *ctrl) static void spd_set_row_attributes(const struct mem_controller *ctrl) { uint16_t dra_reg; - + dra_reg = 0x7733; pci_write_config16(ctrl->d0, 0x50, dra_reg); } @@ -48,7 +48,7 @@ static void spd_set_row_attributes(const struct mem_controller *ctrl) static void spd_set_dram_controller_mode(const struct mem_controller *ctrl) { uint32_t drc_reg; - + /* drc_reg = 0x00009101; */ drc_reg = 0x00009901; pci_write_config32(ctrl->d0, 0x70, drc_reg); @@ -57,7 +57,7 @@ static void spd_set_dram_controller_mode(const struct mem_controller *ctrl) static void spd_set_dram_timing(const struct mem_controller *ctrl) { uint32_t drt_reg; - + drt_reg = 0x2a004405; pci_write_config32(ctrl->d0, 0x60, drt_reg); } @@ -73,7 +73,7 @@ static void spd_set_dram_size(const struct mem_controller *ctrl) static void spd_set_dram_pwr_management(const struct mem_controller *ctrl) { uint32_t pwrmg_reg; - + pwrmg_reg = 0x10f10430; pci_write_config32(ctrl->d0, 0x68, pwrmg_reg); } @@ -97,31 +97,31 @@ static void spd_set_undocumented_registers(const struct mem_controller *ctrl) pci_write_config32(PCI_DEV(0, 0, 0), 0x2c, 0x35808086); pci_write_config32(PCI_DEV(0, 0, 0), 0x48, 0xfec10000); pci_write_config32(PCI_DEV(0, 0, 0), 0x50, 0x00440100); - + pci_write_config32(PCI_DEV(0, 0, 0), 0x58, 0x11111000); - + pci_write_config16(PCI_DEV(0, 0, 0), 0x52, 0x0002); */ pci_write_config16(PCI_DEV(0, 0, 0), 0x52, 0x0044); /* pci_write_config16(PCI_DEV(0, 0, 0), 0x52, 0x0000); */ - pci_write_config32(PCI_DEV(0, 0, 0), 0x58, 0x33333000); + pci_write_config32(PCI_DEV(0, 0, 0), 0x58, 0x33333000); pci_write_config32(PCI_DEV(0, 0, 0), 0x5c, 0x33333333); /* pci_write_config32(PCI_DEV(0, 0, 0), 0x60, 0x0000390a); pci_write_config32(PCI_DEV(0, 0, 0), 0x74, 0x02006056); pci_write_config32(PCI_DEV(0, 0, 0), 0x78, 0x00800001); */ - pci_write_config32(PCI_DEV(0, 0, 0), 0xa8, 0x00000001); - + pci_write_config32(PCI_DEV(0, 0, 0), 0xa8, 0x00000001); + pci_write_config32(PCI_DEV(0, 0, 0), 0xbc, 0x00001020); /* pci_write_config32(PCI_DEV(0, 0, 0), 0xfc, 0x00000109); */ /* 0:0.1 */ - pci_write_config32(ctrl->d0, 0x74, 0x00000001); + pci_write_config32(ctrl->d0, 0x74, 0x00000001); pci_write_config32(ctrl->d0, 0x78, 0x001fe974); pci_write_config32(ctrl->d0, 0x80, 0x00af0039); pci_write_config32(ctrl->d0, 0x84, 0x0000033c); @@ -133,7 +133,7 @@ static void spd_set_undocumented_registers(const struct mem_controller *ctrl) pci_write_config32(ctrl->d0, 0xb8, 0x000055d4); pci_write_config32(ctrl->d0, 0xbc, 0x024acd38); pci_write_config32(ctrl->d0, 0xc0, 0x00000003); - + /* 0:0.3 */ /* pci_write_config32(PCI_DEV(0, 0, 3), 0x2c, 0x35858086); @@ -147,12 +147,12 @@ static void spd_set_undocumented_registers(const struct mem_controller *ctrl) pci_write_config32(PCI_DEV(0, 0, 3), 0x7c, 0x0284007f); pci_write_config32(PCI_DEV(0, 0, 3), 0x84, 0x000000ef); */ - + /* pci_write_config16(PCI_DEV(0, 0, 3), 0xc0, 0x0200); pci_write_config16(PCI_DEV(0, 0, 3), 0xc0, 0x0400); */ - + /* pci_write_config32(PCI_DEV(0, 0, 3), 0xc4, 0x00000000); pci_write_config32(PCI_DEV(0, 0, 3), 0xd8, 0xff00c308); @@ -180,7 +180,7 @@ static void ram_command(const struct mem_controller *ctrl, uint32_t addr) { uint32_t drc_reg; - + drc_reg = pci_read_config32(ctrl->d0, 0x70); drc_reg &= ~(7 << 4); drc_reg |= (command << 4); @@ -195,12 +195,12 @@ static void ram_command_mrs(const struct mem_controller *ctrl, { uint32_t drc_reg; uint32_t adjusted_mode; - + drc_reg = pci_read_config32(ctrl->d0, 0x70); drc_reg &= ~(7 << 4); drc_reg |= (command << 4); pci_write_config8(ctrl->d0, 0x70, drc_reg); - /* Host address lines [13:3] map to DIMM address lines [11, 9:0] */ + /* Host address lines [13:3] map to DIMM address lines [11, 9:0] */ adjusted_mode = ((mode & 0x800) << (13 - 11)) | ((mode & 0x3ff) << (12 - 9)); print_debug("Setting mode: "); print_debug_hex32(adjusted_mode + addr); @@ -211,7 +211,7 @@ static void ram_command_mrs(const struct mem_controller *ctrl, static void set_initialize_complete(const struct mem_controller *ctrl) { uint32_t drc_reg; - + drc_reg = pci_read_config32(ctrl->d0, 0x70); drc_reg |= (1 << 29); pci_write_config32(ctrl->d0, 0x70, drc_reg); @@ -224,7 +224,7 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) print_debug("Ram enable 1\n"); delay(); delay(); - + print_debug("Ram enable 2\n"); ram_command(ctrl, 1, 0); ram_command(ctrl, 1, rank1); @@ -242,17 +242,17 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) ram_command_mrs(ctrl, 4, SDRAM_EXTMODE_DLL_ENABLE, rank1); delay(); delay(); - + print_debug("Ram enable 5\n"); ram_command_mrs(ctrl, 3, VG85X_MODE | SDRAM_MODE_DLL_RESET, 0); ram_command_mrs(ctrl, 3, VG85X_MODE | SDRAM_MODE_DLL_RESET, rank1); - + print_debug("Ram enable 6\n"); ram_command(ctrl, 2, 0); ram_command(ctrl, 2, rank1); delay(); delay(); - + print_debug("Ram enable 7\n"); for(i = 0; i < 8; i++) { ram_command(ctrl, 6, 0); @@ -270,19 +270,19 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) ram_command(ctrl, 7, rank1); delay(); delay(); - + print_debug("Ram enable 9\n"); set_initialize_complete(ctrl); - + delay(); delay(); delay(); - + print_debug("After configuration:\n"); /* dump_pci_devices(); */ - + /* - print_debug("\n\n***** RAM TEST *****\n"); + print_debug("\n\n***** RAM TEST *****\n"); ram_check(0, 0xa0000); ram_check(0x100000, 0x40000000); */ |