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Diffstat (limited to 'src/northbridge/intel/x4x')
-rw-r--r--src/northbridge/intel/x4x/Makefile.inc2
-rw-r--r--src/northbridge/intel/x4x/raminit.c12
-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.h2
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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 21:01:56 +0000