diff options
Diffstat (limited to 'src/northbridge/intel')
-rw-r--r-- | src/northbridge/intel/i945/acpi/i945.asl | 6 | ||||
-rw-r--r-- | src/northbridge/intel/i945/bootblock.c | 15 | ||||
-rw-r--r-- | src/northbridge/intel/i945/debug.c | 11 | ||||
-rw-r--r-- | src/northbridge/intel/i945/early_init.c | 37 | ||||
-rw-r--r-- | src/northbridge/intel/i945/northbridge.c | 3 | ||||
-rw-r--r-- | src/northbridge/intel/i945/raminit.c | 260 | ||||
-rw-r--r-- | src/northbridge/intel/i945/rcven.c | 21 |
7 files changed, 185 insertions, 168 deletions
diff --git a/src/northbridge/intel/i945/acpi/i945.asl b/src/northbridge/intel/i945/acpi/i945.asl index d4dc1a82e3..a972939929 100644 --- a/src/northbridge/intel/i945/acpi/i945.asl +++ b/src/northbridge/intel/i945/acpi/i945.asl @@ -40,9 +40,9 @@ Device (PDRC) Name (PDRS, ResourceTemplate() { Memory32Fixed(ReadWrite, DEFAULT_RCBA, 0x00004000) - Memory32Fixed(ReadWrite, DEFAULT_MCHBAR, 0x00004000) - Memory32Fixed(ReadWrite, DEFAULT_DMIBAR, 0x00001000) - Memory32Fixed(ReadWrite, DEFAULT_EPBAR, 0x00001000) + Memory32Fixed(ReadWrite, DEFAULT_MCHBAR, 0x00004000) + Memory32Fixed(ReadWrite, DEFAULT_DMIBAR, 0x00001000) + Memory32Fixed(ReadWrite, DEFAULT_EPBAR, 0x00001000) Memory32Fixed(ReadWrite, CONFIG_MMCONF_BASE_ADDRESS, 0x04000000) Memory32Fixed(ReadWrite, 0xfed20000, 0x00020000) // Misc ICH Memory32Fixed(ReadWrite, 0xfed40000, 0x00005000) // Misc ICH diff --git a/src/northbridge/intel/i945/bootblock.c b/src/northbridge/intel/i945/bootblock.c index d1cf6db17d..edc2170493 100644 --- a/src/northbridge/intel/i945/bootblock.c +++ b/src/northbridge/intel/i945/bootblock.c @@ -10,16 +10,13 @@ void bootblock_early_northbridge_init(void) uint32_t reg; /* - * The "io" variant of the config access is explicitly used to - * setup the PCIEXBAR because CONFIG_MMCONF_SUPPORT is set to true. - * That way all subsequent non-explicit config accesses use - * MCFG. This code also assumes that bootblock_northbridge_init() is - * the first thing called in the non-asm boot block code. The final - * assumption is that no assembly code is using the - * CONFIG_MMCONF_SUPPORT option to do PCI config accesses. + * The "io" variant of the config access is explicitly used to setup the PCIEXBAR + * because CONFIG_MMCONF_SUPPORT is set to true. That way all subsequent non-explicit + * config accesses use MCFG. This code also assumes that bootblock_northbridge_init() is + * the first thing called in the non-asm boot block code. The final assumption is that + * no assembly code is using the CONFIG_MMCONF_SUPPORT option to do PCI config accesses. * - * The PCIEXBAR is assumed to live in the memory mapped IO space under - * 4GiB. + * The PCIEXBAR is assumed to live in the memory mapped IO space under 4GiB. */ reg = CONFIG_MMCONF_BASE_ADDRESS | 4 | 1; /* 64MiB - 0-63 buses. */ pci_io_write_config32(PCI_DEV(0, 0, 0), PCIEXBAR, reg); diff --git a/src/northbridge/intel/i945/debug.c b/src/northbridge/intel/i945/debug.c index bb00b1414d..181ef5171a 100644 --- a/src/northbridge/intel/i945/debug.c +++ b/src/northbridge/intel/i945/debug.c @@ -10,9 +10,7 @@ void print_pci_devices(void) { pci_devfn_t dev; - for (dev = PCI_DEV(0, 0, 0); - dev <= PCI_DEV(0, 0x1f, 0x7); - dev += PCI_DEV(0, 0, 1)) { + for (dev = PCI_DEV(0, 0, 0); dev <= PCI_DEV(0, 0x1f, 0x7); dev += PCI_DEV(0, 0, 1)) { uint32_t id; id = pci_read_config32(dev, PCI_VENDOR_ID); if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) || @@ -30,7 +28,8 @@ void dump_pci_device(unsigned int dev) { int i; - printk(BIOS_DEBUG, "PCI: %02x:%02x.%02x\n", (dev >> 20) & 0xff, (dev >> 15) & 0x1f, (dev >> 12) & 7); + printk(BIOS_DEBUG, "PCI: %02x:%02x.%02x\n", (dev >> 20) & 0xff, (dev >> 15) & 0x1f, + (dev >> 12) & 7); for (i = 0; i <= 255; i++) { unsigned char val; @@ -46,9 +45,7 @@ void dump_pci_device(unsigned int dev) void dump_pci_devices(void) { pci_devfn_t dev; - for (dev = PCI_DEV(0, 0, 0); - dev <= PCI_DEV(0, 0x1f, 0x7); - dev += PCI_DEV(0, 0, 1)) { + for (dev = PCI_DEV(0, 0, 0); dev <= PCI_DEV(0, 0x1f, 0x7); dev += PCI_DEV(0, 0, 1)) { uint32_t id; id = pci_read_config32(dev, PCI_VENDOR_ID); if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) || diff --git a/src/northbridge/intel/i945/early_init.c b/src/northbridge/intel/i945/early_init.c index d7bc1c6205..ced635a337 100644 --- a/src/northbridge/intel/i945/early_init.c +++ b/src/northbridge/intel/i945/early_init.c @@ -1,15 +1,15 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* This file is part of the coreboot project. */ +#include <arch/io.h> +#include <cbmem.h> #include <cf9_reset.h> #include <console/console.h> -#include <arch/io.h> -#include <device/pci.h> -#include <device/pci_ops.h> #include <device/pci_def.h> -#include <cbmem.h> -#include <romstage_handoff.h> +#include <device/pci_ops.h> +#include <device/pci.h> #include <option.h> +#include <romstage_handoff.h> #include <types.h> #include "i945.h" @@ -41,8 +41,8 @@ static void i945m_detect_chipset(void) case 6: printk(BIOS_INFO, "Mobile Intel(R) 82943/82940GML Express"); break; - default: - printk(BIOS_INFO, "Unknown (%02x)", reg8); /* Others reserved. */ + default: /* Others reserved. */ + printk(BIOS_INFO, "Unknown (%02x)", reg8); } printk(BIOS_INFO, " Chipset\n"); @@ -75,8 +75,8 @@ static void i945m_detect_chipset(void) case 4: printk(BIOS_DEBUG, "DDR2-400"); break; - default: - printk(BIOS_INFO, "unknown max. RAM clock (%02x).", reg8); /* Others reserved. */ + default: /* Others reserved. */ + printk(BIOS_INFO, "unknown max. RAM clock (%02x).", reg8); } printk(BIOS_DEBUG, "\n"); @@ -90,7 +90,8 @@ static void i945_detect_chipset(void) printk(BIOS_INFO, "\nIntel(R) "); - reg8 = ((pci_read_config8(PCI_DEV(0, 0x00, 0), 0xe7) >> 5) & 4) | ((pci_read_config8(PCI_DEV(0, 0x00, 0), 0xe4) >> 4) & 3); + reg8 = ((pci_read_config8(PCI_DEV(0, 0x00, 0), 0xe7) >> 5) & 4) + | ((pci_read_config8(PCI_DEV(0, 0x00, 0), 0xe4) >> 4) & 3); switch (reg8) { case 0: case 1: @@ -125,8 +126,8 @@ static void i945_detect_chipset(void) case 3: printk(BIOS_DEBUG, "up to DDR2-533"); break; - default: - printk(BIOS_INFO, "unknown max. RAM clock (%02x).", reg8); /* Others reserved. */ + default: /* Others reserved. */ + printk(BIOS_INFO, "unknown max. RAM clock (%02x).", reg8); } printk(BIOS_DEBUG, "\n"); @@ -403,9 +404,9 @@ static void i945_setup_dmi_rcrb(void) reg32 = DMIBAR32(0x204); reg32 &= ~0x3ff; #if 1 - reg32 |= 0x13f; /* for x4 DMI only */ + reg32 |= 0x13f; /* for x4 DMI only */ #else - reg32 |= 0x1e4; /* for x2 DMI only */ + reg32 |= 0x1e4; /* for x2 DMI only */ #endif DMIBAR32(0x204) = reg32; @@ -543,8 +544,7 @@ static void i945_setup_pci_express_x16(void) pci_write_config16(p2peg, PEG_CAP, reg16); /* Setup SLOTCAP */ - /* TODO: These values are mainboard dependent and should - * be set from devicetree.cb. + /* TODO: These values are mainboard dependent and should be set from devicetree.cb. */ /* NOTE: SLOTCAP becomes RO after the first write! */ reg32 = pci_read_config32(p2peg, SLOTCAP); @@ -701,9 +701,8 @@ static void i945_setup_pci_express_x16(void) if (i945_silicon_revision() >= 3) { static const u32 reglist[] = { - 0xec0, 0xed4, 0xee8, 0xefc, 0xf10, 0xf24, - 0xf38, 0xf4c, 0xf60, 0xf74, 0xf88, 0xf9c, - 0xfb0, 0xfc4, 0xfd8, 0xfec + 0xec0, 0xed4, 0xee8, 0xefc, 0xf10, 0xf24, 0xf38, 0xf4c, + 0xf60, 0xf74, 0xf88, 0xf9c, 0xfb0, 0xfc4, 0xfd8, 0xfec }; int i; diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c index 94a5abaefa..3fd3db69df 100644 --- a/src/northbridge/intel/i945/northbridge.c +++ b/src/northbridge/intel/i945/northbridge.c @@ -96,8 +96,7 @@ static void mch_domain_read_resources(struct device *dev) delta_cbmem = tomk_stolen - cbmem_topk; tomk_stolen -= delta_cbmem; - printk(BIOS_DEBUG, "Unused RAM between cbmem_top and TOM: 0x%xK\n", - delta_cbmem); + printk(BIOS_DEBUG, "Unused RAM between cbmem_top and TOM: 0x%xK\n", delta_cbmem); /* The following needs to be 2 lines, otherwise the second diff --git a/src/northbridge/intel/i945/raminit.c b/src/northbridge/intel/i945/raminit.c index db6e3b8e68..f26fac6207 100644 --- a/src/northbridge/intel/i945/raminit.c +++ b/src/northbridge/intel/i945/raminit.c @@ -263,8 +263,7 @@ static void sdram_detect_errors(struct sys_info *sysinfo) pci_write_config8(PCI_DEV(0, 0x1f, 0), GEN_PMCON_2, reg8); /* clear self refresh status if check is disabled or not a resume */ - if (!CONFIG(CHECK_SLFRCS_ON_RESUME) - || sysinfo->boot_path != BOOT_PATH_RESUME) { + if (!CONFIG(CHECK_SLFRCS_ON_RESUME) || sysinfo->boot_path != BOOT_PATH_RESUME) { MCHBAR8(SLFRCS) |= 3; } else { /* Validate self refresh config */ @@ -300,8 +299,7 @@ struct timings { /** * @brief loop over dimms and save maximal timings */ -static void gather_common_timing(struct sys_info *sysinfo, - struct timings *saved_timings) +static void gather_common_timing(struct sys_info *sysinfo, struct timings *saved_timings) { int i, j; @@ -310,8 +308,8 @@ static void gather_common_timing(struct sys_info *sysinfo, memset(saved_timings, 0, sizeof(*saved_timings)); saved_timings->max_tRR = UINT32_MAX; - saved_timings->cas_mask = SPD_CAS_LATENCY_DDR2_3 - | SPD_CAS_LATENCY_DDR2_4 | SPD_CAS_LATENCY_DDR2_5; + saved_timings->cas_mask = SPD_CAS_LATENCY_DDR2_3 | SPD_CAS_LATENCY_DDR2_4 + | SPD_CAS_LATENCY_DDR2_5; /** * i945 supports two DIMMs, in two configurations: @@ -388,8 +386,7 @@ static void gather_common_timing(struct sys_info *sysinfo, if (spd_dimm_is_registered_ddr2(dimm_info.dimm_type)) die("\nError: Registered memory not supported by this chipset\n"); - printk(BIOS_DEBUG, "DDR II Channel %d Socket %d: ", (i >> 1), - (i & 1)); + printk(BIOS_DEBUG, "DDR II Channel %d Socket %d: ", (i >> 1), (i & 1)); /** * There are 5 different possible populations for a DIMM socket: * 0. x16 double ranked (X16DS) @@ -442,8 +439,7 @@ static void gather_common_timing(struct sys_info *sysinfo, die("DDR-II rank size smaller than 128MB is not supported.\n"); sysinfo->banksize[i * 2] = dimm_info.ranksize_mb / 32; - printk(BIOS_DEBUG, "DIMM %d side 0 = %d MB\n", i, - sysinfo->banksize[i * 2] * 32); + printk(BIOS_DEBUG, "DIMM %d side 0 = %d MB\n", i, sysinfo->banksize[i * 2] * 32); if (dimm_info.ranks == 2) { sysinfo->banksize[(i * 2) + 1] = dimm_info.ranksize_mb / 32; @@ -457,25 +453,18 @@ static void gather_common_timing(struct sys_info *sysinfo, sysinfo->banks[i] = dimm_info.banks; /* int min_tRAS, min_tRP, min_tRCD, min_tWR, min_tRFC; */ - saved_timings->min_tRAS = MAX(saved_timings->min_tRAS, - dimm_info.tRAS); - saved_timings->min_tRP = MAX(saved_timings->min_tRP, - dimm_info.tRP); - saved_timings->min_tRCD = MAX(saved_timings->min_tRCD, - dimm_info.tRCD); - saved_timings->min_tWR = MAX(saved_timings->min_tWR, - dimm_info.tWR); - saved_timings->min_tRFC = MAX(saved_timings->min_tRFC, - dimm_info.tRFC); - saved_timings->max_tRR = MIN(saved_timings->max_tRR, - dimm_info.tRR); + saved_timings->min_tRAS = MAX(saved_timings->min_tRAS, dimm_info.tRAS); + saved_timings->min_tRP = MAX(saved_timings->min_tRP, dimm_info.tRP); + saved_timings->min_tRCD = MAX(saved_timings->min_tRCD, dimm_info.tRCD); + saved_timings->min_tWR = MAX(saved_timings->min_tWR, dimm_info.tWR); + saved_timings->min_tRFC = MAX(saved_timings->min_tRFC, dimm_info.tRFC); + saved_timings->max_tRR = MIN(saved_timings->max_tRR, dimm_info.tRR); saved_timings->cas_mask &= dimm_info.cas_supported; for (j = 0; j < 8; j++) { if (!(saved_timings->cas_mask & (1 << j))) saved_timings->min_tCLK_cas[j] = 0; else - saved_timings->min_tCLK_cas[j] = - MAX(dimm_info.cycle_time[j], + saved_timings->min_tCLK_cas[j] = MAX(dimm_info.cycle_time[j], saved_timings->min_tCLK_cas[j]); } dimm_mask |= (1 << i); @@ -488,14 +477,12 @@ static void gather_common_timing(struct sys_info *sysinfo, printk(BIOS_INFO, "Channel 0 has no memory populated.\n"); } -static void choose_tclk(struct sys_info *sysinfo, - struct timings *saved_timings) +static void choose_tclk(struct sys_info *sysinfo, struct timings *saved_timings) { u32 ctrl_min_tclk; int try_cas; - ctrl_min_tclk = 2 * 256 * 1000 - / sdram_capabilities_max_supported_memory_frequency(); + ctrl_min_tclk = 2 * 256 * 1000 / sdram_capabilities_max_supported_memory_frequency(); normalize_tck(&ctrl_min_tclk); try_cas = spd_get_msbs(saved_timings->cas_mask); @@ -504,8 +491,8 @@ static void choose_tclk(struct sys_info *sysinfo, sysinfo->cas = try_cas; sysinfo->tclk = saved_timings->min_tCLK_cas[try_cas]; if (sysinfo->tclk >= ctrl_min_tclk && - saved_timings->min_tCLK_cas[try_cas] != - saved_timings->min_tCLK_cas[try_cas - 1]) + saved_timings->min_tCLK_cas[try_cas] != + saved_timings->min_tCLK_cas[try_cas - 1]) break; try_cas--; } @@ -539,8 +526,7 @@ static void choose_tclk(struct sys_info *sysinfo, sysinfo->memory_frequency, sysinfo->cas); } -static void derive_timings(struct sys_info *sysinfo, - struct timings *saved_timings) +static void derive_timings(struct sys_info *sysinfo, struct timings *saved_timings) { sysinfo->tras = DIV_ROUND_UP(saved_timings->min_tRAS, sysinfo->tclk); if (sysinfo->tras > 0x18) @@ -961,7 +947,8 @@ static void sdram_rcomp_buffer_strength_and_slew(struct sys_info *sysinfo) /* Channel 0 */ sdram_write_slew_rates(G1SRPUT, slew_group_lookup(dual_channel, idx * 8 + 0)); sdram_write_slew_rates(G2SRPUT, slew_group_lookup(dual_channel, idx * 8 + 1)); - if ((slew_group_lookup(dual_channel, idx * 8 + 2) != nc) && (sysinfo->package == SYSINFO_PACKAGE_STACKED)) + if ((slew_group_lookup(dual_channel, idx * 8 + 2) != nc) && + (sysinfo->package == SYSINFO_PACKAGE_STACKED)) sdram_write_slew_rates(G3SRPUT, ctl3220); else @@ -1005,20 +992,26 @@ static void sdram_program_dll_timings(struct sys_info *sysinfo) if (CONFIG(NORTHBRIDGE_INTEL_SUBTYPE_I945GM)) { switch (sysinfo->memory_frequency) { case 400: - channeldll = 0x26262626; break; + channeldll = 0x26262626; + break; case 533: - channeldll = 0x22222222; break; + channeldll = 0x22222222; + break; case 667: - channeldll = 0x11111111; break; + channeldll = 0x11111111; + break; } } else if (CONFIG(NORTHBRIDGE_INTEL_SUBTYPE_I945GC)) { switch (sysinfo->memory_frequency) { case 400: - channeldll = 0x33333333; break; + channeldll = 0x33333333; + break; case 533: - channeldll = 0x24242424; break; + channeldll = 0x24242424; + break; case 667: - channeldll = 0x25252525; break; + channeldll = 0x25252525; + break; } } @@ -1054,7 +1047,6 @@ static void sdram_force_rcomp(void) reg8 = i945_silicon_revision(); if ((reg8 == 0 && (MCHBAR32(DCC) & (3 << 0)) == 0) || (reg8 == 1)) { - reg32 = MCHBAR32(GBRCOMPCTL); reg32 |= (3 << 5); MCHBAR32(GBRCOMPCTL) = reg32; @@ -1131,14 +1123,14 @@ static void sdram_enable_system_memory_io(struct sys_info *sysinfo) /* Is channel 0 populated? */ if (sysinfo->dimm[0] != SYSINFO_DIMM_NOT_POPULATED || - sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED) + sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED) reg32 |= (1 << 7) | (1 << 5); else reg32 |= (1 << 31); /* Is channel 1 populated? */ if (sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED || - sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED) + sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED) reg32 |= (1 << 9) | (1 << 8); else reg32 |= (1 << 30); @@ -1147,13 +1139,13 @@ static void sdram_enable_system_memory_io(struct sys_info *sysinfo) /* Activate DRAM Channel IO Buffers */ if (sysinfo->dimm[0] != SYSINFO_DIMM_NOT_POPULATED || - sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED) { + sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED) { reg32 = MCHBAR32(C0DRC1); reg32 |= (1 << 8); MCHBAR32(C0DRC1) = reg32; } if (sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED || - sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED) { + sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED) { reg32 = MCHBAR32(C1DRC1); reg32 |= (1 << 8); MCHBAR32(C1DRC1) = reg32; @@ -1232,20 +1224,24 @@ static int sdram_set_row_attributes(struct sys_info *sysinfo) if (sysinfo->dimm[i] == SYSINFO_DIMM_NOT_POPULATED) continue; - columnsrows = (sysinfo->rows[i] & 0x0f) - | (sysinfo->cols[i] & 0xf) << 4; + columnsrows = (sysinfo->rows[i] & 0x0f) | (sysinfo->cols[i] & 0xf) << 4; switch (columnsrows) { case 0x9d: - dra = 2; break; + dra = 2; + break; case 0xad: - dra = 3; break; + dra = 3; + break; case 0xbd: - dra = 4; break; + dra = 4; + break; case 0xae: - dra = 3; break; + dra = 3; + break; case 0xbe: - dra = 4; break; + dra = 4; + break; default: die("Unsupported Rows/Columns. (DRA)"); } @@ -1388,8 +1384,7 @@ static void sdram_set_timing_and_control(struct sys_info *sysinfo) reg32 &= ~((1 << 13) | (1 << 12)); MCHBAR32(C1DRC0) = reg32; - if (!sysinfo->dual_channel && sysinfo->dimm[1] != - SYSINFO_DIMM_NOT_POPULATED) { + if (!sysinfo->dual_channel && sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED) { reg32 = MCHBAR32(C0DRC0); reg32 |= (1 << 15); MCHBAR32(C0DRC0) = reg32; @@ -1491,7 +1486,7 @@ static void sdram_set_timing_and_control(struct sys_info *sysinfo) page_size = 1; /* Default: 1k pagesize */ for (i = 0; i < 2*DIMM_SOCKETS; i++) { if (sysinfo->dimm[i] == SYSINFO_DIMM_X16DS || - sysinfo->dimm[i] == SYSINFO_DIMM_X16SS) + sysinfo->dimm[i] == SYSINFO_DIMM_X16SS) page_size = 2; /* 2k pagesize */ } @@ -1568,13 +1563,13 @@ static void sdram_set_channel_mode(struct sys_info *sysinfo) printk(BIOS_DEBUG, "Dual Channel Interleaved.\n"); reg32 |= (1 << 1); } else if (sysinfo->dimm[0] == SYSINFO_DIMM_NOT_POPULATED && - sysinfo->dimm[1] == SYSINFO_DIMM_NOT_POPULATED) { + sysinfo->dimm[1] == SYSINFO_DIMM_NOT_POPULATED) { /* Channel 1 only */ printk(BIOS_DEBUG, "Single Channel 1 only.\n"); reg32 |= (1 << 2); } else if (sdram_capabilities_dual_channel() && - (sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED || - sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED)) { + (sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED || + sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED)) { /* Dual Channel Asymmetric */ printk(BIOS_DEBUG, "Dual Channel Asymmetric.\n"); reg32 |= (1 << 0); @@ -1603,11 +1598,14 @@ static void sdram_program_pll_settings(struct sys_info *sysinfo) /* Only write the lower byte */ switch (sysinfo->fsb_frequency) { case 400: - MCHBAR8(CPCTL) = 0x90; break; /* FSB400 */ + MCHBAR8(CPCTL) = 0x90; + break; case 533: - MCHBAR8(CPCTL) = 0x95; break; /* FSB533 */ + MCHBAR8(CPCTL) = 0x95; + break; case 667: - MCHBAR8(CPCTL) = 0x8d; break; /* FSB667 */ + MCHBAR8(CPCTL) = 0x8d; + break; } MCHBAR16(CPCTL) &= ~(1 << 11); @@ -1657,11 +1655,14 @@ static void sdram_program_graphics_frequency(struct sys_info *sysinfo) freq = CRCLK_400MHz; /* 1.5V requires 400MHz */ break; case GFX_FREQUENCY_CAP_250MHZ: - freq = CRCLK_250MHz; break; + freq = CRCLK_250MHz; + break; case GFX_FREQUENCY_CAP_200MHZ: - freq = CRCLK_200MHz; break; + freq = CRCLK_200MHz; + break; case GFX_FREQUENCY_CAP_166MHZ: - freq = CRCLK_166MHz; break; + freq = CRCLK_166MHz; + break; } if (freq != CRCLK_400MHz) { @@ -1674,13 +1675,17 @@ static void sdram_program_graphics_frequency(struct sys_info *sysinfo) printk(BIOS_DEBUG, "Render: "); switch (freq) { case CRCLK_166MHz: - printk(BIOS_DEBUG, "166MHz"); break; + printk(BIOS_DEBUG, "166MHz"); + break; case CRCLK_200MHz: - printk(BIOS_DEBUG, "200MHz"); break; + printk(BIOS_DEBUG, "200MHz"); + break; case CRCLK_250MHz: - printk(BIOS_DEBUG, "250MHz"); break; + printk(BIOS_DEBUG, "250MHz"); + break; case CRCLK_400MHz: - printk(BIOS_DEBUG, "400MHz"); break; + printk(BIOS_DEBUG, "400MHz"); + break; } if (i945_silicon_revision() == 0) @@ -1697,8 +1702,8 @@ static void sdram_program_graphics_frequency(struct sys_info *sysinfo) u16 fsb = sysinfo->fsb_frequency; if ((fsb == 667 && mem == 533) || - (fsb == 533 && mem == 533) || - (fsb == 533 && mem == 400)) { + (fsb == 533 && mem == 533) || + (fsb == 533 && mem == 400)) { second_vco = 1; } @@ -1764,17 +1769,19 @@ static void sdram_program_memory_frequency(struct sys_info *sysinfo) if (sysinfo->clkcfg_bit7) { printk(BIOS_DEBUG, "second VCO, "); - clkcfg |= (1 << 7); } switch (sysinfo->memory_frequency) { case 400: - clkcfg |= ((1 + offset) << 4); break; + clkcfg |= ((1 + offset) << 4); + break; case 533: - clkcfg |= ((2 + offset) << 4); break; + clkcfg |= ((2 + offset) << 4); + break; case 667: - clkcfg |= ((3 + offset) << 4); break; + clkcfg |= ((3 + offset) << 4); + break; default: die("Target Memory Frequency Error"); } @@ -1786,9 +1793,7 @@ static void sdram_program_memory_frequency(struct sys_info *sysinfo) MCHBAR32(CLKCFG) = clkcfg; - /* Make sure the following code is in the - * cache before we execute it. - */ + /* Make sure the following code is in the cache before we execute it. */ goto cache_code; vco_update: reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), GEN_PMCON_2); @@ -1929,29 +1934,47 @@ static void sdram_program_clock_crossing(void) printk(BIOS_DEBUG, "MEM="); switch (memclk()) { case 400: - printk(BIOS_DEBUG, "400"); idx += 0; break; + printk(BIOS_DEBUG, "400"); + idx += 0; + break; case 533: - printk(BIOS_DEBUG, "533"); idx += 2; break; + printk(BIOS_DEBUG, "533"); + idx += 2; + break; case 667: - printk(BIOS_DEBUG, "667"); idx += 4; break; + printk(BIOS_DEBUG, "667"); + idx += 4; + break; default: - printk(BIOS_DEBUG, "RSVD %x", memclk()); return; + printk(BIOS_DEBUG, "RSVD %x", memclk()); + return; } printk(BIOS_DEBUG, " FSB="); switch (fsbclk()) { case 400: - printk(BIOS_DEBUG, "400"); idx += 0; break; + printk(BIOS_DEBUG, "400"); + idx += 0; + break; case 533: - printk(BIOS_DEBUG, "533"); idx += 6; break; + printk(BIOS_DEBUG, "533"); + idx += 6; + break; case 667: - printk(BIOS_DEBUG, "667"); idx += 12; break; + printk(BIOS_DEBUG, "667"); + idx += 12; + break; case 800: - printk(BIOS_DEBUG, "800"); idx += 18; break; + printk(BIOS_DEBUG, "800"); + idx += 18; + break; case 1066: - printk(BIOS_DEBUG, "1066"); idx += 24; break; + printk(BIOS_DEBUG, "1066"); + idx += 24; + break; default: - printk(BIOS_DEBUG, "RSVD %x\n", fsbclk()); return; + printk(BIOS_DEBUG, "RSVD %x\n", fsbclk()); + return; } if (command_clock_crossing[idx] == 0xffffffff) @@ -2021,9 +2044,9 @@ static void sdram_enhanced_addressing_mode(struct sys_info *sysinfo) bool chan0_dualsided, chan1_dualsided, chan0_populated, chan1_populated; chan0_populated = (sysinfo->dimm[0] != SYSINFO_DIMM_NOT_POPULATED || - sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED); + sysinfo->dimm[1] != SYSINFO_DIMM_NOT_POPULATED); chan1_populated = (sysinfo->dimm[2] != SYSINFO_DIMM_NOT_POPULATED || - sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED); + sysinfo->dimm[3] != SYSINFO_DIMM_NOT_POPULATED); chan0_dualsided = (sysinfo->banksize[1] || sysinfo->banksize[3]); chan1_dualsided = (sysinfo->banksize[5] || sysinfo->banksize[7]); @@ -2095,7 +2118,6 @@ static void sdram_post_jedec_initialization(struct sys_info *sysinfo) /* Enable Channel XORing for Dual Channel Interleave */ if (sysinfo->interleaved) { - reg32 = MCHBAR32(DCC); reg32 &= ~(1 << 10); reg32 |= (1 << 9); @@ -2193,16 +2215,20 @@ static void sdram_power_management(struct sys_info *sysinfo) #endif switch (sysinfo->fsb_frequency) { case 667: - MCHBAR32(HGIPMC2) = 0x0d590d59; break; + MCHBAR32(HGIPMC2) = 0x0d590d59; + break; case 533: - MCHBAR32(HGIPMC2) = 0x155b155b; break; + MCHBAR32(HGIPMC2) = 0x155b155b; + break; } } else { switch (sysinfo->fsb_frequency) { case 667: - MCHBAR32(HGIPMC2) = 0x09c409c4; break; + MCHBAR32(HGIPMC2) = 0x09c409c4; + break; case 533: - MCHBAR32(HGIPMC2) = 0x0fa00fa0; break; + MCHBAR32(HGIPMC2) = 0x0fa00fa0; + break; } } @@ -2212,9 +2238,11 @@ static void sdram_power_management(struct sys_info *sysinfo) reg32 &= 0xffff0000; switch (sysinfo->fsb_frequency) { case 667: - reg32 |= 0x0600; break; + reg32 |= 0x0600; + break; case 533: - reg32 |= 0x0480; break; + reg32 |= 0x0480; + break; } MCHBAR32(C2C3TT) = reg32; @@ -2222,9 +2250,11 @@ static void sdram_power_management(struct sys_info *sysinfo) reg32 &= 0xffff0000; switch (sysinfo->fsb_frequency) { case 667: - reg32 |= 0x0b80; break; + reg32 |= 0x0b80; + break; case 533: - reg32 |= 0x0980; break; + reg32 |= 0x0980; + break; } MCHBAR32(C3C4TT) = reg32; @@ -2318,9 +2348,7 @@ static void sdram_thermal_management(void) MCHBAR8(TCO1) = 0x00; MCHBAR8(TCO0) = 0x00; - /* The Thermal Sensors for DIMMs at 0x50, 0x52 are at I2C addr - * 0x30/0x32. - */ + /* The Thermal Sensors for DIMMs at 0x50, 0x52 are at I2C addr 0x30/0x32. */ /* TODO This is not implemented yet. Volunteers? */ } @@ -2331,9 +2359,8 @@ static void sdram_save_receive_enable(void) u32 reg32; u8 values[4]; - /* The following values are stored to an unused CMOS - * area and restored instead of recalculated in case - * of an S3 resume. + /* The following values are stored to an unused CMOS area and restored instead of + * recalculated in case of an S3 resume. * * C0WL0REOST [7:0] -> 8 bit * C1WL0REOST [7:0] -> 8 bit @@ -2429,7 +2456,7 @@ static void sdram_on_die_termination(struct sys_info *sysinfo) MCHBAR32(ODTC) = reg32; if (sysinfo->dimm[0] == SYSINFO_DIMM_NOT_POPULATED || - sysinfo->dimm[1] == SYSINFO_DIMM_NOT_POPULATED) { + sysinfo->dimm[1] == SYSINFO_DIMM_NOT_POPULATED) { printk(BIOS_DEBUG, "one dimm per channel config..\n"); reg32 = MCHBAR32(C0ODT); @@ -2485,10 +2512,9 @@ static void sdram_enable_memory_clocks(struct sys_info *sysinfo) clocks[1] |= ((1 << CLOCKS_WIDTH)-1) << CLOCKS_WIDTH; #if CONFIG(OVERRIDE_CLOCK_DISABLE) - /* Usually system firmware turns off system memory clock signals - * to unused SO-DIMM slots to reduce EMI and power consumption. - * However, the Kontron 986LCD-M does not like unused clock - * signals to be disabled. + /* Usually system firmware turns off system memory clock signals to unused SO-DIMM slots + * to reduce EMI and power consumption. + * However, the Kontron 986LCD-M does not like unused clock signals to be disabled. */ clocks[0] = 0xf; /* force all clock gate pairs to enable */ @@ -2550,11 +2576,14 @@ static void sdram_jedec_enable(struct sys_info *sysinfo) /* Get CAS latency set up */ switch (sysinfo->cas) { case 5: - mrsaddr = MRS_CAS_5; break; + mrsaddr = MRS_CAS_5; + break; case 4: - mrsaddr = MRS_CAS_4; break; + mrsaddr = MRS_CAS_4; + break; case 3: - mrsaddr = MRS_CAS_3; break; + mrsaddr = MRS_CAS_3; + break; default: die("Jedec Error (CAS).\n"); } @@ -2562,11 +2591,14 @@ static void sdram_jedec_enable(struct sys_info *sysinfo) /* Get tWR set */ switch (sysinfo->twr) { case 5: - mrsaddr |= MRS_TWR_5; break; + mrsaddr |= MRS_TWR_5; + break; case 4: - mrsaddr |= MRS_TWR_4; break; + mrsaddr |= MRS_TWR_4; + break; case 3: - mrsaddr |= MRS_TWR_3; break; + mrsaddr |= MRS_TWR_3; + break; default: die("Jedec Error (tWR).\n"); } diff --git a/src/northbridge/intel/i945/rcven.c b/src/northbridge/intel/i945/rcven.c index 2271904ed5..84814f7355 100644 --- a/src/northbridge/intel/i945/rcven.c +++ b/src/northbridge/intel/i945/rcven.c @@ -100,8 +100,7 @@ static int normalize(int channel_offset, u8 *mediumcoarse, u8 *fine) return -1; } - set_receive_enable(channel_offset, *mediumcoarse & 3, - *mediumcoarse >> 2); + set_receive_enable(channel_offset, *mediumcoarse & 3, *mediumcoarse >> 2); MCHBAR8(C0WL0REOST + channel_offset) = *fine; @@ -123,8 +122,7 @@ static int find_preamble(int channel_offset, u8 *mediumcoarse, } *mediumcoarse -= 4; - set_receive_enable(channel_offset, *mediumcoarse & 3, - *mediumcoarse >> 2); + set_receive_enable(channel_offset, *mediumcoarse & 3, *mediumcoarse >> 2); reg32 = sample_strobes(channel_offset, sysinfo); @@ -155,8 +153,7 @@ static int add_quarter_clock(int channel_offset, u8 *mediumcoarse, u8 *fine) return -1; } - set_receive_enable(channel_offset, *mediumcoarse & 3, - *mediumcoarse >> 2); + set_receive_enable(channel_offset, *mediumcoarse & 3, *mediumcoarse >> 2); } else { *fine += 0x80; } @@ -176,8 +173,7 @@ static int find_strobes_low(int channel_offset, u8 *mediumcoarse, u8 *fine, for (;;) { MCHBAR8(C0WL0REOST + channel_offset) = *fine; - set_receive_enable(channel_offset, *mediumcoarse & 3, - *mediumcoarse >> 2); + set_receive_enable(channel_offset, *mediumcoarse & 3, *mediumcoarse >> 2); rcvenmt = sample_strobes(channel_offset, sysinfo); @@ -210,8 +206,7 @@ static int find_strobes_edge(int channel_offset, u8 *mediumcoarse, u8 *fine, printk(BIOS_SPEW, " %s()\n", __func__); counter = 8; - set_receive_enable(channel_offset, *mediumcoarse & 3, - *mediumcoarse >> 2); + set_receive_enable(channel_offset, *mediumcoarse & 3, *mediumcoarse >> 2); for (;;) { MCHBAR8(C0WL0REOST + channel_offset) = *fine; @@ -249,8 +244,7 @@ static int find_strobes_edge(int channel_offset, u8 *mediumcoarse, u8 *fine, *fine -= 7; if (*fine >= 0xf9) { *mediumcoarse -= 2; - set_receive_enable(channel_offset, *mediumcoarse & 3, - *mediumcoarse >> 2); + set_receive_enable(channel_offset, *mediumcoarse & 3, *mediumcoarse >> 2); } *fine &= ~(1 << 3); @@ -265,8 +259,7 @@ static int find_strobes_edge(int channel_offset, u8 *mediumcoarse, u8 *fine, * a lot of if ()s so let's just pass 0 or 0x80 for the channel offset. */ -static int receive_enable_autoconfig(int channel_offset, - struct sys_info *sysinfo) +static int receive_enable_autoconfig(int channel_offset, struct sys_info *sysinfo) { u8 mediumcoarse; u8 fine; |