From c6d7dcc832521ad6e5d90ad82af384ec3d24aa09 Mon Sep 17 00:00:00 2001 From: Yidi Lin Date: Thu, 4 Feb 2016 17:26:48 +0800 Subject: mediatek/mt8173: detect sdram size at runtime Remove DRAM_SIZE_MB Kconfig setting and use sdram_size_mb() to detect the DRAM size at runtime. BUG=chrome-os-partner:49427 BRANCH=none TEST=Boot to kernel Change-Id: I0c3245db73335fb4f1c89c1debde715fc96ecba7 Signed-off-by: Patrick Georgi Original-Commit-Id: 00f6f2bbed0e7d23181337b9274191b31e73e223 Original-Change-Id: I409163fe527e966c184f28d7d9bbc809ae2308ed Original-Signed-off-by: PH Hsu Original-Signed-off-by: Yidi Lin Original-Reviewed-on: https://chromium-review.googlesource.com/327961 Original-Reviewed-by: Julius Werner Original-Reviewed-on: https://chromium-review.googlesource.com/331176 Original-Commit-Ready: Patrick Georgi Original-Tested-by: Patrick Georgi Reviewed-on: https://review.coreboot.org/13988 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/soc/mediatek/mt8173/include/soc/emi.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'src/soc/mediatek/mt8173/include') diff --git a/src/soc/mediatek/mt8173/include/soc/emi.h b/src/soc/mediatek/mt8173/include/soc/emi.h index d3a2aeec9c..959e1c93af 100644 --- a/src/soc/mediatek/mt8173/include/soc/emi.h +++ b/src/soc/mediatek/mt8173/include/soc/emi.h @@ -18,6 +18,7 @@ #include #include +#include /* DDR type */ enum ram_type { @@ -124,6 +125,17 @@ struct mt8173_mrs_params { u32 mrs_63; }; +enum { + /* CONA = 0x000 */ + CONA_DUAL_CH_EN = BIT(0), + CONA_32BIT_EN = BIT(1), + CONA_DUAL_RANK_EN = BIT(17), + COL_ADDR_BITS_SHIFT = 4, + COL_ADDR_BITS_MASK = 3 << COL_ADDR_BITS_SHIFT, + ROW_ADDR_BITS_SHIFT = 12, + ROW_ADDR_BITS_MASK = 3 << ROW_ADDR_BITS_SHIFT +}; + struct mt8173_sdram_params { struct mt8173_calib_params calib_params; struct mt8173_timing_params ac_timing; @@ -136,5 +148,5 @@ struct mt8173_sdram_params { void mt_set_emi(const struct mt8173_sdram_params *sdram_params); void mt_mem_init(const struct mt8173_sdram_params *sdram_params); const struct mt8173_sdram_params *get_sdram_config(void); - +size_t sdram_size(void); #endif -- cgit v1.2.3