[PATCH] ARM: board: phytec-som-am335x: RAM timings for phycore-r2 1GB

Teresa Remmet t.remmet at phytec.de
Sun Apr 17 23:56:51 PDT 2016


Add new RAM Timings for phyCORE R2 with MT41K512M16HA-125IT
1024MB mounted.

Signed-off-by: Teresa Remmet <t.remmet at phytec.de>
---
 arch/arm/boards/phytec-som-am335x/lowlevel.c    |  1 +
 arch/arm/boards/phytec-som-am335x/ram-timings.h | 20 ++++++++++++++++++++
 images/Makefile.am33xx                          |  6 ++++++
 3 files changed, 27 insertions(+)

diff --git a/arch/arm/boards/phytec-som-am335x/lowlevel.c b/arch/arm/boards/phytec-som-am335x/lowlevel.c
index 73e75eb..33e83c5 100644
--- a/arch/arm/boards/phytec-som-am335x/lowlevel.c
+++ b/arch/arm/boards/phytec-som-am335x/lowlevel.c
@@ -125,6 +125,7 @@ PHYTEC_ENTRY_MLO(start_am33xx_phytec_phycore_sram_2x512mb, am335x_phytec_phycore
 PHYTEC_ENTRY_MLO(start_am33xx_phytec_phycore_sram_1024mb, am335x_phytec_phycore_som_mlo, PHYCORE_IM8G16D3FBBG15EI_1024MB);
 PHYTEC_ENTRY_MLO(start_am33xx_phytec_phycore_r2_sram_512mb, am335x_phytec_phycore_som_mlo, PHYCORE_R2_MT41K256M16TW107IT_512MB);
 PHYTEC_ENTRY_MLO(start_am33xx_phytec_phycore_r2_sram_256mb, am335x_phytec_phycore_som_mlo, PHYCORE_R2_MT41K128M16JT_256MB);
+PHYTEC_ENTRY_MLO(start_am33xx_phytec_phycore_r2_sram_1024mb,  am335x_phytec_phycore_som_mlo, PHYCORE_R2_MT41K512M16HA125IT_1024MB);
 PHYTEC_ENTRY(start_am33xx_phytec_phycore_sdram, am335x_phytec_phycore_som);
 PHYTEC_ENTRY(start_am33xx_phytec_phycore_no_spi_sdram, am335x_phytec_phycore_som_no_spi);
 PHYTEC_ENTRY(start_am33xx_phytec_phycore_no_eeprom_sdram, am335x_phytec_phycore_som_no_eeprom);
diff --git a/arch/arm/boards/phytec-som-am335x/ram-timings.h b/arch/arm/boards/phytec-som-am335x/ram-timings.h
index 884874c..9576d26 100644
--- a/arch/arm/boards/phytec-som-am335x/ram-timings.h
+++ b/arch/arm/boards/phytec-som-am335x/ram-timings.h
@@ -32,6 +32,7 @@ enum {
 	PHYCORE_IM8G16D3FBBG15EI_1024MB,
 	PHYCORE_R2_MT41K256M16TW107IT_512MB,
 	PHYCORE_R2_MT41K128M16JT_256MB,
+	PHYCORE_R2_MT41K512M16HA125IT_1024MB,
 
 	PHYCARD_NT5CB128M16BP_256MB,
 };
@@ -232,6 +233,25 @@ struct am335x_sdram_timings physom_timings[] = {
 			.wr_slave_ratio0	= 0x73,
 		},
 	},
+
+	/* 1024MB R2 */
+	[PHYCORE_R2_MT41K512M16HA125IT_1024MB] = {
+		.regs = {
+			.emif_read_latency	= 0x7,
+			.emif_tim1		= 0x0AAAD4DB,
+			.emif_tim2		= 0x268F7FDA,
+			.emif_tim3		= 0x501F88BF,
+			.sdram_config		= 0x61C053B2,
+			.zq_config		= 0x50074BE4,
+			.sdram_ref_ctrl		= 0x00000C30,
+		},
+		.data = {
+			.rd_slave_ratio0	= 0x38,
+			.wr_dqs_slave_ratio0	= 0x4d,
+			.fifo_we_slave_ratio0	= 0x9d,
+			.wr_slave_ratio0	= 0x82,
+		},
+	},
 };
 
 #endif
diff --git a/images/Makefile.am33xx b/images/Makefile.am33xx
index 6c7e81a..8be78ef 100644
--- a/images/Makefile.am33xx
+++ b/images/Makefile.am33xx
@@ -83,6 +83,12 @@ FILE_barebox-am33xx-phytec-phycore-mlo-1024mb.spi.img = start_am33xx_phytec_phyc
 am33xx-mlo-$(CONFIG_MACH_PHYTEC_SOM_AM335X) += barebox-am33xx-phytec-phycore-mlo-1024mb.img
 am33xx-mlospi-$(CONFIG_MACH_PHYTEC_SOM_AM335X) += barebox-am33xx-phytec-phycore-mlo-1024mb.spi.img
 
+pblx-$(CONFIG_MACH_PHYTEC_SOM_AM335X) += start_am33xx_phytec_phycore_r2_sram_1024mb
+FILE_barebox-am33xx-phytec-phycore-r2-mlo-1024mb.img = start_am33xx_phytec_phycore_r2_sram_1024mb.pblx.mlo
+FILE_barebox-am33xx-phytec-phycore-r2-mlo-1024mb.spi.img = start_am33xx_phytec_phycore_r2_sram_1024mb.pblx.mlospi
+am33xx-mlo-$(CONFIG_MACH_PHYTEC_SOM_AM335X) += barebox-am33xx-phytec-phycore-r2-mlo-1024mb.img
+am33xx-mlospi-$(CONFIG_MACH_PHYTEC_SOM_AM335X) += barebox-am33xx-phytec-phycore-r2-mlo-1024mb.spi.img
+
 pblx-$(CONFIG_MACH_PHYTEC_SOM_AM335X) += start_am33xx_phytec_phyflex_sdram
 FILE_barebox-am33xx-phytec-phyflex.img = start_am33xx_phytec_phyflex_sdram.pblx
 am33xx-barebox-$(CONFIG_MACH_PHYTEC_SOM_AM335X) += barebox-am33xx-phytec-phyflex.img
-- 
1.9.1




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