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-rw-r--r--src/northbridge/intel/sandybridge/raminit_ivy.c93
1 files changed, 48 insertions, 45 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit_ivy.c b/src/northbridge/intel/sandybridge/raminit_ivy.c
index 67927ed033..fa636565a2 100644
--- a/src/northbridge/intel/sandybridge/raminit_ivy.c
+++ b/src/northbridge/intel/sandybridge/raminit_ivy.c
@@ -29,94 +29,94 @@ static u32 get_FRQ(u32 tCK, u8 base_freq)
return FRQ;
}
-/* Get REFI based on MC frequency, tREFI = 7.8usec */
-static u32 get_REFI(u32 tCK, u8 base_freq)
+/* Get REFI based on frequency index, tREFI = 7.8usec */
+static u32 get_REFI(u32 FRQ, u8 base_freq)
{
if (base_freq == 100)
- return frq_refi_map[1][get_FRQ(tCK, 100) - 7];
+ return frq_refi_map[1][FRQ - 7];
else
- return frq_refi_map[0][get_FRQ(tCK, 133) - 3];
+ return frq_refi_map[0][FRQ - 3];
}
-/* Get XSOffset based on MC frequency, tXS-Offset: tXS = tRFC + 10ns */
-static u8 get_XSOffset(u32 tCK, u8 base_freq)
+/* Get XSOffset based on frequency index, tXS-Offset: tXS = tRFC + 10ns */
+static u8 get_XSOffset(u32 FRQ, u8 base_freq)
{
if (base_freq == 100)
- return frq_xs_map[1][get_FRQ(tCK, 100) - 7];
+ return frq_xs_map[1][FRQ - 7];
else
- return frq_xs_map[0][get_FRQ(tCK, 133) - 3];
+ return frq_xs_map[0][FRQ - 3];
}
-/* Get MOD based on MC frequency */
-static u8 get_MOD(u32 tCK, u8 base_freq)
+/* Get MOD based on frequency index */
+static u8 get_MOD(u32 FRQ, u8 base_freq)
{
if (base_freq == 100)
- return frq_mod_map[1][get_FRQ(tCK, 100) - 7];
+ return frq_mod_map[1][FRQ - 7];
else
- return frq_mod_map[0][get_FRQ(tCK, 133) - 3];
+ return frq_mod_map[0][FRQ - 3];
}
-/* Get Write Leveling Output delay based on MC frequency */
-static u8 get_WLO(u32 tCK, u8 base_freq)
+/* Get Write Leveling Output delay based on frequency index */
+static u8 get_WLO(u32 FRQ, u8 base_freq)
{
if (base_freq == 100)
- return frq_wlo_map[1][get_FRQ(tCK, 100) - 7];
+ return frq_wlo_map[1][FRQ - 7];
else
- return frq_wlo_map[0][get_FRQ(tCK, 133) - 3];
+ return frq_wlo_map[0][FRQ - 3];
}
-/* Get CKE based on MC frequency */
-static u8 get_CKE(u32 tCK, u8 base_freq)
+/* Get CKE based on frequency index */
+static u8 get_CKE(u32 FRQ, u8 base_freq)
{
if (base_freq == 100)
- return frq_cke_map[1][get_FRQ(tCK, 100) - 7];
+ return frq_cke_map[1][FRQ - 7];
else
- return frq_cke_map[0][get_FRQ(tCK, 133) - 3];
+ return frq_cke_map[0][FRQ - 3];
}
-/* Get XPDLL based on MC frequency */
-static u8 get_XPDLL(u32 tCK, u8 base_freq)
+/* Get XPDLL based on frequency index */
+static u8 get_XPDLL(u32 FRQ, u8 base_freq)
{
if (base_freq == 100)
- return frq_xpdll_map[1][get_FRQ(tCK, 100) - 7];
+ return frq_xpdll_map[1][FRQ - 7];
else
- return frq_xpdll_map[0][get_FRQ(tCK, 133) - 3];
+ return frq_xpdll_map[0][FRQ - 3];
}
-/* Get XP based on MC frequency */
-static u8 get_XP(u32 tCK, u8 base_freq)
+/* Get XP based on frequency index */
+static u8 get_XP(u32 FRQ, u8 base_freq)
{
if (base_freq == 100)
- return frq_xp_map[1][get_FRQ(tCK, 100) - 7];
+ return frq_xp_map[1][FRQ - 7];
else
- return frq_xp_map[0][get_FRQ(tCK, 133) - 3];
+ return frq_xp_map[0][FRQ - 3];
}
-/* Get AONPD based on MC frequency */
-static u8 get_AONPD(u32 tCK, u8 base_freq)
+/* Get AONPD based on frequency index */
+static u8 get_AONPD(u32 FRQ, u8 base_freq)
{
if (base_freq == 100)
- return frq_aonpd_map[1][get_FRQ(tCK, 100) - 7];
+ return frq_aonpd_map[1][FRQ - 7];
else
- return frq_aonpd_map[0][get_FRQ(tCK, 133) - 3];
+ return frq_aonpd_map[0][FRQ - 3];
}
-/* Get COMP2 based on MC frequency */
-static u32 get_COMP2(u32 tCK, u8 base_freq)
+/* Get COMP2 based on frequency index */
+static u32 get_COMP2(u32 FRQ, u8 base_freq)
{
if (base_freq == 100)
- return frq_comp2_map[1][get_FRQ(tCK, 100) - 7];
+ return frq_comp2_map[1][FRQ - 7];
else
- return frq_comp2_map[0][get_FRQ(tCK, 133) - 3];
+ return frq_comp2_map[0][FRQ - 3];
}
static void ivb_normalize_tclk(ramctr_timing *ctrl, bool ref_100mhz_support)
@@ -363,14 +363,16 @@ static void dram_timing(ramctr_timing *ctrl)
ctrl->tRFC = DIV_ROUND_UP(ctrl->tRFC, ctrl->tCK);
printk(BIOS_DEBUG, "Selected tRFC : %uT\n", ctrl->tRFC);
- ctrl->tREFI = get_REFI(ctrl->tCK, ctrl->base_freq);
- ctrl->tMOD = get_MOD(ctrl->tCK, ctrl->base_freq);
- ctrl->tXSOffset = get_XSOffset(ctrl->tCK, ctrl->base_freq);
- ctrl->tWLO = get_WLO(ctrl->tCK, ctrl->base_freq);
- ctrl->tCKE = get_CKE(ctrl->tCK, ctrl->base_freq);
- ctrl->tXPDLL = get_XPDLL(ctrl->tCK, ctrl->base_freq);
- ctrl->tXP = get_XP(ctrl->tCK, ctrl->base_freq);
- ctrl->tAONPD = get_AONPD(ctrl->tCK, ctrl->base_freq);
+ const u32 FRQ = get_FRQ(ctrl->tCK, ctrl->base_freq);
+
+ ctrl->tREFI = get_REFI(FRQ, ctrl->base_freq);
+ ctrl->tMOD = get_MOD(FRQ, ctrl->base_freq);
+ ctrl->tXSOffset = get_XSOffset(FRQ, ctrl->base_freq);
+ ctrl->tWLO = get_WLO(FRQ, ctrl->base_freq);
+ ctrl->tCKE = get_CKE(FRQ, ctrl->base_freq);
+ ctrl->tXPDLL = get_XPDLL(FRQ, ctrl->base_freq);
+ ctrl->tXP = get_XP(FRQ, ctrl->base_freq);
+ ctrl->tAONPD = get_AONPD(FRQ, ctrl->base_freq);
}
static void dram_freq(ramctr_timing *ctrl)
@@ -432,6 +434,7 @@ static void dram_freq(ramctr_timing *ctrl)
static void dram_ioregs(ramctr_timing *ctrl)
{
+ const u32 FRQ = get_FRQ(ctrl->tCK, ctrl->base_freq);
u32 reg;
int channel;
@@ -459,7 +462,7 @@ static void dram_ioregs(ramctr_timing *ctrl)
printram("done\n");
/* Set COMP2 */
- MCHBAR32(CRCOMPOFST2) = get_COMP2(ctrl->tCK, ctrl->base_freq);
+ MCHBAR32(CRCOMPOFST2) = get_COMP2(FRQ, ctrl->base_freq);
printram("COMP2 done\n");
/* Set COMP1 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 15:20:42 +0000