[PATCH 05/10] board: sl28: support 8 GiB memory

Michael Walle michael at walle.cc
Mon May 30 23:02:09 CEST 2022


The board supports up to 8 GiB memory. The memory is soldered on the
board but the configuration is equivalent to a dual chip select, dual
rank DIMM module.

Signed-off-by: Michael Walle <michael at walle.cc>
---
 board/kontron/sl28/ddr.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/board/kontron/sl28/ddr.c b/board/kontron/sl28/ddr.c
index ed799c6e34..315d9f99c7 100644
--- a/board/kontron/sl28/ddr.c
+++ b/board/kontron/sl28/ddr.c
@@ -73,6 +73,13 @@ int fsl_initdram(void)
 	case GPPORCR1_MEM_4GB_CS0_1:
 		dram_size = 0x100000000ULL;
 		break;
+	case GPPORCR1_MEM_8GB_CS0_1:
+		dram_size = 0x200000000ULL;
+		ddr_cfg_regs.cs[0].bnds = 0x000000ff;
+		ddr_cfg_regs.cs[0].config = 0x80044403;
+		ddr_cfg_regs.cs[1].bnds = 0x010001ff;
+		ddr_cfg_regs.cs[1].config = 0x80044403;
+		break;
 	case GPPORCR1_MEM_512MB_CS0:
 		dram_size = 0x20000000;
 		fallthrough; /* for now */
@@ -82,7 +89,6 @@ int fsl_initdram(void)
 	case GPPORCR1_MEM_4GB_CS0_2:
 		dram_size = 0x100000000ULL;
 		fallthrough; /* for now */
-	case GPPORCR1_MEM_8GB_CS0_1:
 	case GPPORCR1_MEM_8GB_CS0_1_2_3:
 		dram_size = 0x200000000ULL;
 		fallthrough; /* for now */
-- 
2.30.2



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