diff options
Diffstat (limited to 'src/northbridge/intel/i440lx/raminit.c')
| -rw-r--r-- | src/northbridge/intel/i440lx/raminit.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/src/northbridge/intel/i440lx/raminit.c b/src/northbridge/intel/i440lx/raminit.c index 61ddde98ca..d8cebb2808 100644 --- a/src/northbridge/intel/i440lx/raminit.c +++ b/src/northbridge/intel/i440lx/raminit.c @@ -61,14 +61,14 @@ static const long register_values[] = { // 0x04 == bit 10 // BASE is 0x8A but we dont want bit 9 or 10 have ENABLED so 0x8C PACCFG + 1, 0x38, 0x8c, - + DBC, 0x00, 0xC3, DRT, 0x00, 0xFF, DRT+1, 0x00, 0xFF, DRAMC, 0x00, 0x00, /* disable refresh for now. */ - DRAMT, 0x00, 0x00, + DRAMT, 0x00, 0x00, PAM0, 0x00, 0x30, // everything is a mem PAM1, 0x00, 0x33, @@ -109,7 +109,7 @@ static void do_ram_command(u32 command) u32 addr, addr_offset; /* Configure the RAM command. */ - reg16 = pci_read_config16(NB, DRAMXC); + reg16 = pci_read_config16(NB, DRAMXC); reg16 &= 0xff1f; /* Clear bits 7-5. */ reg16 |= (u16) (command << 5); /* Write command into bits 7-5. */ pci_write_config16(NB, DRAMXC, reg16); @@ -127,7 +127,7 @@ static void do_ram_command(u32 command) addr_offset = 0; caslatency = 3; /* TODO: Dynamically get CAS latency later. */ - /* before translation it is + /* before translation it is * * M[02:00] Burst Length * M[03:03] Burst Type @@ -153,7 +153,7 @@ static void do_ram_command(u32 command) * must be left shifted by 3 * so possible formula is (caslatency <<4)|(burst_type << 1)|(burst length) * then << 3 shift to compensate shift in Memory Controller - */ + */ if (command == RAM_COMMAND_MRS) { if (caslatency == 3) addr_offset = 0x1d0; @@ -194,7 +194,7 @@ static void spd_enable_refresh(void) /* this chipset offer only two choices regarding refresh * refresh disabled, or refresh normal */ - + pci_write_config8(NB, DRAMC, reg | 0x01); reg = pci_read_config8(NB, DRAMC); @@ -216,10 +216,10 @@ static void northbridge_init(void) pci_write_config32(NB, APBASE, reg32); #ifdef DEBUG_RAM_SETUP - /* - * apbase dont get set still, no idea what i have doing wrong yet, + /* + * apbase dont get set still, no idea what i have doing wrong yet, * i am almost sure that somehow i set it by mistake once, but can't - * repeat that. + * repeat that. */ reg32 = pci_read_config32(NB, APBASE); PRINT_DEBUG("APBASE "); @@ -238,11 +238,11 @@ static void sdram_set_registers(void) int i, max; /* nice banner with FSB shown? do we have - * any standart policy about such things? + * any standart policy about such things? */ #if 0 uint16_t reg16; - reg16 = pci_read_config16(NB, PACCFG); + reg16 = pci_read_config16(NB, PACCFG); printk(BIOS_DEBUG, "i82443LX Host Freq: 6%C MHz\n", (reg16 & 0x4000) ? '0' : '6'); #endif @@ -261,8 +261,8 @@ static void sdram_set_registers(void) reg |= register_values[i + 2] & ~(register_values[i + 1]); pci_write_config8(NB, register_values[i], reg); - /* - * i am not sure if that is needed, but was usefull + /* + * i am not sure if that is needed, but was usefull * for me to confirm what got written */ #ifdef DEBUG_RAM_SETUP @@ -282,7 +282,7 @@ static void sdram_set_registers(void) #endif } - PRINT_DEBUG("Northbridge atexit sdram set registers\n"); + PRINT_DEBUG("Northbridge atexit sdram set registers\n"); DUMPNORTH(); } @@ -293,9 +293,9 @@ static void sdram_set_spd_registers(void) u16 memsize = 0; for (i = 0; i < DIMM_SOCKETS; i++) { - uint16_t ds = 0; // dimm size + uint16_t ds = 0; // dimm size int j; - /* this code skips second bank on each socket (no idea how to fix it now) + /* this code skips second bank on each socket (no idea how to fix it now) */ PRINT_DEBUG("DIMM"); @@ -321,8 +321,8 @@ static void sdram_set_spd_registers(void) /* This is more or less crude hack - * allowing to run this target under qemu (even if that is not really - * same hardware emulated), + * allowing to run this target under qemu (even if that is not really + * same hardware emulated), * probably some kconfig expert option should be added to enable/disable * this nicelly */ @@ -333,10 +333,10 @@ static void sdram_set_spd_registers(void) // todo: support for bank with not equal sizes as per jedec standart? - + /* * because density is reported in units of 4Mbyte - * and rows in device are just value, + * and rows in device are just value, * and for setting registers we need value in 8Mbyte units */ @@ -348,7 +348,7 @@ static void sdram_set_spd_registers(void) pci_write_config8(NB, DRB + (2*i), memsize); pci_write_config8(NB, DRB + (2*i) + 1, memsize); if (ds > 0) { - /* i have no idea why pci_read_config16 not work for + /* i have no idea why pci_read_config16 not work for * me correctly here */ ds = pci_read_config8(NB, DRT+1); @@ -364,9 +364,9 @@ static void sdram_set_spd_registers(void) PRINT_DEBUG_HEX16(ds); PRINT_DEBUG("\n"); - /* + /* * modify DRT register if current row isn't empty - * code assume its SDRAM plugged (should check if its sdram or EDO, + * code assume its SDRAM plugged (should check if its sdram or EDO, * edo would have 0x00 as constand instead 0x10 for SDRAM * also this code is buggy because ignores second row of each dimm socket */ @@ -400,7 +400,7 @@ static void sdram_set_spd_registers(void) pci_write_config8(NB, DRAMC, 0x00); /* Cas latency 3, and other shouldbe properly from spd too */ - pci_write_config8(NB, DRAMT, 0xAC); + pci_write_config8(NB, DRAMT, 0xAC); /* TODO? */ pci_write_config8(NB, PCI_LATENCY_TIMER, 0x40); |