pcm052: add new BK4r1 target based on PCM052 SoM

Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>

1 files changed, 116 insertions, 52 deletions

diff --git a/board/phytec/pcm052/pcm052.c b/board/phytec/pcm052/pcm052.c
index 7341899015..e75ff4fc3a 100644
--- a/board/phytec/pcm052/pcm052.c
+++ b/board/phytec/pcm052/pcm052.c
@@ -152,57 +152,6 @@ static struct ddrmc_phy_setting pcm052_phy_settings[] = {
 
 int dram_init(void)
 {
-	static const struct ddr3_jedec_timings pcm052_ddr_timings = {
-		.tinit             = 5,
-		.trst_pwron        = 80000,
-		.cke_inactive      = 200000,
-		.wrlat             = 5,
-		.caslat_lin        = 12,
-		.trc               = 6,
-		.trrd              = 4,
-		.tccd              = 4,
-		.tbst_int_interval = 4,
-		.tfaw              = 18,
-		.trp               = 6,
-		.twtr              = 4,
-		.tras_min          = 15,
-		.tmrd              = 4,
-		.trtp              = 4,
-		.tras_max          = 14040,
-		.tmod              = 12,
-		.tckesr            = 4,
-		.tcke              = 3,
-		.trcd_int          = 6,
-		.tras_lockout      = 1,
-		.tdal              = 10,
-		.bstlen            = 3,
-		.tdll              = 512,
-		.trp_ab            = 6,
-		.tref              = 1542,
-		.trfc              = 64,
-		.tref_int          = 5,
-		.tpdex             = 3,
-		.txpdll            = 10,
-		.txsnr             = 68,
-		.txsr              = 506,
-		.cksrx             = 5,
-		.cksre             = 5,
-		.freq_chg_en       = 1,
-		.zqcl              = 256,
-		.zqinit            = 512,
-		.zqcs              = 64,
-		.ref_per_zq        = 64,
-		.zqcs_rotate       = 1,
-		.aprebit           = 10,
-		.cmd_age_cnt       = 255,
-		.age_cnt           = 255,
-		.q_fullness        = 0,
-		.odt_rd_mapcs0     = 1,
-		.odt_wr_mapcs0     = 1,
-		.wlmrd             = 40,
-		.wldqsen           = 25,
-	};
-
 	static const iomux_v3_cfg_t pcm052_pads[] = {
 		PCM052_VF610_PAD_DDR_A15__DDR_A_15,
 		PCM052_VF610_PAD_DDR_A14__DDR_A_14,
@@ -256,11 +205,126 @@ int dram_init(void)
 		PCM052_VF610_PAD_DDR_RESETB,
 	};
 
-	imx_iomux_v3_setup_multiple_pads(pcm052_pads, ARRAY_SIZE(pcm052_pads));
+#if defined(CONFIG_TARGET_PCM052)
+
+	static const struct ddr3_jedec_timings pcm052_ddr_timings = {
+		.tinit             = 5,
+		.trst_pwron        = 80000,
+		.cke_inactive      = 200000,
+		.wrlat             = 5,
+		.caslat_lin        = 12,
+		.trc               = 6,
+		.trrd              = 4,
+		.tccd              = 4,
+		.tbst_int_interval = 4,
+		.tfaw              = 18,
+		.trp               = 6,
+		.twtr              = 4,
+		.tras_min          = 15,
+		.tmrd              = 4,
+		.trtp              = 4,
+		.tras_max          = 14040,
+		.tmod              = 12,
+		.tckesr            = 4,
+		.tcke              = 3,
+		.trcd_int          = 6,
+		.tras_lockout      = 1,
+		.tdal              = 10,
+		.bstlen            = 3,
+		.tdll              = 512,
+		.trp_ab            = 6,
+		.tref              = 1542,
+		.trfc              = 64,
+		.tref_int          = 5,
+		.tpdex             = 3,
+		.txpdll            = 10,
+		.txsnr             = 68,
+		.txsr              = 506,
+		.cksrx             = 5,
+		.cksre             = 5,
+		.freq_chg_en       = 1,
+		.zqcl              = 256,
+		.zqinit            = 512,
+		.zqcs              = 64,
+		.ref_per_zq        = 64,
+		.zqcs_rotate       = 1,
+		.aprebit           = 10,
+		.cmd_age_cnt       = 255,
+		.age_cnt           = 255,
+		.q_fullness        = 0,
+		.odt_rd_mapcs0     = 1,
+		.odt_wr_mapcs0     = 1,
+		.wlmrd             = 40,
+		.wldqsen           = 25,
+	};
 
 	ddrmc_ctrl_init_ddr3(&pcm052_ddr_timings, pcm052_cr_settings,
 			     pcm052_phy_settings, 1, 2);
 
+#elif defined(CONFIG_TARGET_BK4R1)
+
+	static const struct ddr3_jedec_timings pcm052_ddr_timings = {
+		.tinit             = 5,
+		.trst_pwron        = 80000,
+		.cke_inactive      = 200000,
+		.wrlat             = 5,
+		.caslat_lin        = 12,
+		.trc               = 6,
+		.trrd              = 4,
+		.tccd              = 4,
+		.tbst_int_interval = 0,
+		.tfaw              = 16,
+		.trp               = 6,
+		.twtr              = 4,
+		.tras_min          = 15,
+		.tmrd              = 4,
+		.trtp              = 4,
+		.tras_max          = 28080,
+		.tmod              = 12,
+		.tckesr            = 4,
+		.tcke              = 3,
+		.trcd_int          = 6,
+		.tras_lockout      = 1,
+		.tdal              = 12,
+		.bstlen            = 3,
+		.tdll              = 512,
+		.trp_ab            = 6,
+		.tref              = 3120,
+		.trfc              = 104,
+		.tref_int          = 0,
+		.tpdex             = 3,
+		.txpdll            = 10,
+		.txsnr             = 108,
+		.txsr              = 512,
+		.cksrx             = 5,
+		.cksre             = 5,
+		.freq_chg_en       = 1,
+		.zqcl              = 256,
+		.zqinit            = 512,
+		.zqcs              = 64,
+		.ref_per_zq        = 64,
+		.zqcs_rotate       = 1,
+		.aprebit           = 10,
+		.cmd_age_cnt       = 255,
+		.age_cnt           = 255,
+		.q_fullness        = 0,
+		.odt_rd_mapcs0     = 1,
+		.odt_wr_mapcs0     = 1,
+		.wlmrd             = 40,
+		.wldqsen           = 25,
+	};
+
+	ddrmc_ctrl_init_ddr3(&pcm052_ddr_timings, pcm052_cr_settings,
+			     pcm052_phy_settings, 1, 1);
+
+#else /* Unknown PCM052 variant */
+
+#error DDR characteristics undefined for this target. Please define them.
+
+#endif
+
+	imx_iomux_v3_setup_multiple_pads(pcm052_pads, ARRAY_SIZE(pcm052_pads));
+
 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
 
 	return 0;