diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0013-nb-amd-mct_ddr3-Update-drive-strength-configuration.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0013-nb-amd-mct_ddr3-Update-drive-strength-configuration.patch | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0013-nb-amd-mct_ddr3-Update-drive-strength-configuration.patch b/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0013-nb-amd-mct_ddr3-Update-drive-strength-configuration.patch deleted file mode 100644 index d9b70ca..0000000 --- a/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0013-nb-amd-mct_ddr3-Update-drive-strength-configuration.patch +++ /dev/null @@ -1,149 +0,0 @@ -From cebd4b26e543f7284ee6fa48531315bc6d40523d Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <tpearson@raptorengineeringinc.com> -Date: Tue, 24 Nov 2015 14:11:50 -0600 -Subject: [PATCH 13/45] nb/amd/mct_ddr3: Update drive strength configuration - -The existing drive strength calibration code did not strictly -follow the BKDG-defined setup process. Bring the calibration -code in line with the BKDG recommendations. - -Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> ---- - src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 49 +++++++++++++++++++---------- - 1 file changed, 32 insertions(+), 17 deletions(-) - -diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c -index beb71f9..9724008 100644 ---- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c -+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c -@@ -6828,7 +6828,7 @@ static void InitPhyCompensation(struct MCTStatStruc *pMCTstat, - /* Program TxPreP/TxPreN for data lanes (Stage 1) */ - for (index = 0; index < 0x9; index++) { - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f0006 | (index << 8)); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= tx_pre; - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f0006 | (index << 8), dword); - } -@@ -6841,13 +6841,13 @@ static void InitPhyCompensation(struct MCTStatStruc *pMCTstat, - /* Program TxPreP/TxPreN for data lanes (Stage 2) */ - for (index = 0; index < 0x9; index++) { - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f000a | (index << 8)); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= tx_pre; - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f000a | (index << 8), dword); - } - for (index = 0; index < 0x9; index++) { - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f0002 | (index << 8)); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= (0x8000 | tx_pre); - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f0002 | (index << 8), dword); - } -@@ -6859,15 +6859,15 @@ static void InitPhyCompensation(struct MCTStatStruc *pMCTstat, - - /* Program TxPreP/TxPreN for command/address lines (Stage 1) */ - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f8006); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= tx_pre; - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f8006, dword); - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f800a); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= tx_pre; - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f800a, dword); - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f8002); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= (0x8000 | tx_pre); - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f8002, dword); - -@@ -6878,31 +6878,31 @@ static void InitPhyCompensation(struct MCTStatStruc *pMCTstat, - - /* Program TxPreP/TxPreN for command/address lines (Stage 2) */ - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f8106); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= tx_pre; - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f8106, dword); - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f810a); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= tx_pre; - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f810a, dword); - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0fc006); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= tx_pre; - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0fc006, dword); - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0fc00a); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= tx_pre; - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0fc00a, dword); - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0fc00e); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= tx_pre; - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0fc00e, dword); - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0fc012); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= tx_pre; - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0fc012, dword); - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f8102); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= (0x8000 | tx_pre); - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f8102, dword); - -@@ -6913,7 +6913,7 @@ static void InitPhyCompensation(struct MCTStatStruc *pMCTstat, - - /* Program TxPreP/TxPreN for command/address lines (Stage 3) */ - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0fc002); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= (0x8000 | tx_pre); - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0fc002, dword); - -@@ -6924,17 +6924,32 @@ static void InitPhyCompensation(struct MCTStatStruc *pMCTstat, - - /* Program TxPreP/TxPreN for clock lines */ - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f2002); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= (0x8000 | tx_pre); - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f2002, dword); - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f2102); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= (0x8000 | tx_pre); - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f2102, dword); - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f2202); -- dword &= ~(0xfff); -+ dword &= ~(0xffff); - dword |= (0x8000 | tx_pre); - Set_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f2202, dword); -+ -+ /* Be extra safe and wait for the predriver calibration to be applied -+ * to the hardware. The BKDG does not require this, but it does take -+ * some time for the data to propagate, so it's probably a good idea. -+ */ -+ uint8_t predriver_cal_pending = 1; -+ printk(BIOS_DEBUG, "Waiting for predriver calibration to be applied..."); -+ while (predriver_cal_pending) { -+ predriver_cal_pending = 0; -+ for (index = 0; index < 0x9; index++) { -+ if (Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x0d0f0002 | (index << 8)) & 0x8000) -+ predriver_cal_pending = 1; -+ } -+ } -+ printk(BIOS_DEBUG, "done!\n"); - } else { - dword = Get_NB32_index_wait_DCT(dev, dct, index_reg, 0x00); - dword = 0; --- -2.1.4 - |