diff options
Diffstat (limited to 'src/northbridge/intel')
-rw-r--r-- | src/northbridge/intel/x4x/Makefile.inc | 2 | ||||
-rw-r--r-- | src/northbridge/intel/x4x/raminit.c | 12 | ||||
-rw-r--r-- | src/northbridge/intel/x4x/raminit_ddr23.c (renamed from src/northbridge/intel/x4x/raminit_ddr2.c) | 54 | ||||
-rw-r--r-- | src/northbridge/intel/x4x/x4x.h | 2 |
4 files changed, 30 insertions, 40 deletions
diff --git a/src/northbridge/intel/x4x/Makefile.inc b/src/northbridge/intel/x4x/Makefile.inc index 29ece07526..1f7e483f61 100644 --- a/src/northbridge/intel/x4x/Makefile.inc +++ b/src/northbridge/intel/x4x/Makefile.inc @@ -18,7 +18,7 @@ ifeq ($(CONFIG_NORTHBRIDGE_INTEL_X4X),y) romstage-y += early_init.c romstage-y += raminit.c -romstage-y += raminit_ddr2.c +romstage-y += raminit_ddr23.c romstage-y += ram_calc.c romstage-y += rcven.c romstage-y += raminit_tables.c diff --git a/src/northbridge/intel/x4x/raminit.c b/src/northbridge/intel/x4x/raminit.c index 21f7b387bb..efd197f714 100644 --- a/src/northbridge/intel/x4x/raminit.c +++ b/src/northbridge/intel/x4x/raminit.c @@ -674,17 +674,7 @@ void sdram_initialize(int boot_path, const u8 *spd_map) find_dimm_config(&s); } - switch (s.spd_type) { - case DDR2: - raminit_ddr2(&s, fast_boot); - break; - case DDR3: - // FIXME Add: raminit_ddr3(&s); - break; - default: - die("Unknown DDR type\n"); - break; - } + do_raminit(&s, fast_boot); reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2); pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, reg8 & ~0x80); diff --git a/src/northbridge/intel/x4x/raminit_ddr2.c b/src/northbridge/intel/x4x/raminit_ddr23.c index 6ee34adfc7..f3257a9356 100644 --- a/src/northbridge/intel/x4x/raminit_ddr2.c +++ b/src/northbridge/intel/x4x/raminit_ddr23.c @@ -48,7 +48,8 @@ u32 ddr2mhz(u32 speed) return mhz[speed]; } -static void clkcross_ddr2(struct sysinfo *s) + +static void program_crossclock(struct sysinfo *s) { u8 i, j; MCHBAR16(0xc1c) = MCHBAR16(0xc1c) | (1 << 15); @@ -132,7 +133,7 @@ static void clkcross_ddr2(struct sysinfo *s) MCHBAR32(0x70c) = clkxtab[i][j][12]; } -static void setioclk_ddr2(struct sysinfo *s) +static void setioclk_dram(struct sysinfo *s) { MCHBAR32(0x1bc) = 0x08060402; MCHBAR16(0x1c0) = MCHBAR16(0x1c0) | 0x200; @@ -160,7 +161,7 @@ static void setioclk_ddr2(struct sysinfo *s) MCHBAR32(0x994) = MCHBAR32(0x994) | (1 << 31); } -static void launch_ddr2(struct sysinfo *s) +static void launch_dram(struct sysinfo *s) { u8 i; u32 launch1 = 0x58001117; @@ -346,7 +347,7 @@ void rt_set_dqs(u8 channel, u8 lane, u8 rank, MCHBAR16(0x542 + 0x400 * channel + lane * 4) = saved_pi; } -static void timings_ddr2(struct sysinfo *s) +static void program_timings(struct sysinfo *s) { u8 i; u8 twl, ta1, ta2, ta3, ta4; @@ -571,7 +572,7 @@ static void timings_ddr2(struct sysinfo *s) MCHBAR8(0x6c4) = (MCHBAR8(0x6c4) & ~0x7) | 0x2; } -static void dll_ddr2(struct sysinfo *s) +static void program_dll(struct sysinfo *s) { u8 i, j, r, reg8, clk, async = 0; u16 reg16 = 0; @@ -853,7 +854,7 @@ static void set_all_dq_dqs_dll_settings(struct sysinfo *s) } } -static void rcomp_ddr2(struct sysinfo *s) +static void prog_rcomp(struct sysinfo *s) { u8 i, j, k; u32 x32a[8] = { 0x04040404, 0x06050505, 0x09090807, 0x0D0C0B0A, @@ -924,7 +925,7 @@ static void rcomp_ddr2(struct sysinfo *s) MCHBAR8(0x130) = MCHBAR8(0x130) | 1; } -static void odt_ddr2(struct sysinfo *s) +static void program_odt(struct sysinfo *s) { u8 i; u16 odt[16][2] = { @@ -1146,7 +1147,7 @@ static void sdram_program_receive_enable(struct sysinfo *s, int fast_boot) rcven(s); } -static void dradrb_ddr2(struct sysinfo *s) +static void set_dradrb(struct sysinfo *s) { u8 map, i, ch, r, rankpop0, rankpop1; u32 c0dra = 0; @@ -1320,7 +1321,7 @@ static void dradrb_ddr2(struct sysinfo *s) MCHBAR16(0x10a) = dual_channel_size / 2; } -static void mmap_ddr2(struct sysinfo *s) +static void configure_mmap(struct sysinfo *s) { bool reclaim; u32 gfxsize, gttsize, tsegsize, mmiosize, tom, tolud, touud; @@ -1380,7 +1381,7 @@ static void mmap_ddr2(struct sysinfo *s) pci_write_config32(PCI_DEV(0, 0, 0), 0xac, tsegbase << 20); } -static void enhanced_ddr2(struct sysinfo *s) +static void set_enhanced_mode(struct sysinfo *s) { u8 ch, reg8; @@ -1420,7 +1421,7 @@ static void enhanced_ddr2(struct sysinfo *s) pci_write_config8(PCI_DEV(0, 0, 0), 0xf0, reg8 & ~1); } -static void power_ddr2(struct sysinfo *s) +static void power_settings(struct sysinfo *s) { u32 reg1, reg2, reg3, reg4, clkgate, x592; u8 lane, ch; @@ -1530,7 +1531,7 @@ static void power_ddr2(struct sysinfo *s) MCHBAR8(0x561 + (lane << 2)) = MCHBAR8(0x561 + (lane << 2)) & ~(1 << 3); } -void raminit_ddr2(struct sysinfo *s, int fast_boot) +void do_raminit(struct sysinfo *s, int fast_boot) { u8 ch; u8 r, bank; @@ -1558,37 +1559,36 @@ void raminit_ddr2(struct sysinfo *s, int fast_boot) } // Program clock crossing - clkcross_ddr2(s); + program_crossclock(s); printk(BIOS_DEBUG, "Done clk crossing\n"); - // DDR2 IO if (s->boot_path != BOOT_PATH_WARM_RESET) { - setioclk_ddr2(s); + setioclk_dram(s); printk(BIOS_DEBUG, "Done I/O clk\n"); } // Grant to launch - launch_ddr2(s); + launch_dram(s); printk(BIOS_DEBUG, "Done launch\n"); - // Program DDR2 timings - timings_ddr2(s); + // Program DRAM timings + program_timings(s); printk(BIOS_DEBUG, "Done timings\n"); // Program DLL - dll_ddr2(s); + program_dll(s); if (!fast_boot) select_default_dq_dqs_settings(s); set_all_dq_dqs_dll_settings(s); // RCOMP if (s->boot_path != BOOT_PATH_WARM_RESET) { - rcomp_ddr2(s); + prog_rcomp(s); printk(BIOS_DEBUG, "RCOMP\n"); } // ODT - odt_ddr2(s); + program_odt(s); printk(BIOS_DEBUG, "Done ODT\n"); // RCOMP update @@ -1650,7 +1650,7 @@ void raminit_ddr2(struct sysinfo *s, int fast_boot) printk(BIOS_DEBUG, "Done post-jedec\n"); - // Set DDR2 init complete + // Set DDR init complete FOR_EACH_POPULATED_CHANNEL(s->dimms, ch) { MCHBAR32(0x400*ch + 0x268) = (MCHBAR32(0x400*ch + 0x268) & ~0xc0000000) | 0xc0000000; } @@ -1704,15 +1704,15 @@ void raminit_ddr2(struct sysinfo *s, int fast_boot) } // DRADRB - dradrb_ddr2(s); + set_dradrb(s); printk(BIOS_DEBUG, "Done DRADRB\n"); // Memory map - mmap_ddr2(s); + configure_mmap(s); printk(BIOS_DEBUG, "Done memory map\n"); // Enhanced mode - enhanced_ddr2(s); + set_enhanced_mode(s); printk(BIOS_DEBUG, "Done enhanced mode\n"); // Periodic RCOMP @@ -1722,7 +1722,7 @@ void raminit_ddr2(struct sysinfo *s, int fast_boot) printk(BIOS_DEBUG, "Done PRCOMP\n"); // Power settings - power_ddr2(s); + power_settings(s); printk(BIOS_DEBUG, "Done power settings\n"); // ME related @@ -1740,5 +1740,5 @@ void raminit_ddr2(struct sysinfo *s, int fast_boot) MCHBAR32(0xa30) = MCHBAR32(0xa30) | (1 << 26); } - printk(BIOS_DEBUG, "Done ddr2\n"); + printk(BIOS_DEBUG, "Done raminit\n"); } diff --git a/src/northbridge/intel/x4x/x4x.h b/src/northbridge/intel/x4x/x4x.h index cc17ed6e91..f3b910f814 100644 --- a/src/northbridge/intel/x4x/x4x.h +++ b/src/northbridge/intel/x4x/x4x.h @@ -360,7 +360,7 @@ u32 decode_igd_memory_size(u32 gms); u32 decode_igd_gtt_size(u32 gsm); u8 decode_pciebar(u32 *const base, u32 *const len); void sdram_initialize(int boot_path, const u8 *spd_map); -void raminit_ddr2(struct sysinfo *s, int fast_boot); +void do_raminit(struct sysinfo *, int fast_boot); void rcven(struct sysinfo *s); u32 fsb2mhz(u32 speed); u32 ddr2mhz(u32 speed); |