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author | Rajeshwari Shinde <rajeshwari.s@samsung.com> | 2012-07-03 20:02:56 +0000 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:23 +0200 |
commit | 87f2e079dbbe517003bd2c3910ae2512ab27a6f5 (patch) | |
tree | 0fd32aed7950df0e9080e746e300a8e8ed44511b /arch | |
parent | 998e5d393f335de92fbde81c804c88be4b833cf7 (diff) | |
download | u-boot-imx-87f2e079dbbe517003bd2c3910ae2512ab27a6f5.zip u-boot-imx-87f2e079dbbe517003bd2c3910ae2512ab27a6f5.tar.gz u-boot-imx-87f2e079dbbe517003bd2c3910ae2512ab27a6f5.tar.bz2 |
Exynos5: DDR3: Add DDR3 memory setup for Exynos5250 Rev 1.0
The patch adds the memory initialization sequence of DDR3.
Signed-off-by: Hatim Ali <hatim.rv@samsung.com>
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/include/asm/arch-exynos/dmc.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-exynos/dmc.h b/arch/arm/include/asm/arch-exynos/dmc.h index bd52d16..f65c676 100644 --- a/arch/arm/include/asm/arch-exynos/dmc.h +++ b/arch/arm/include/asm/arch-exynos/dmc.h @@ -251,5 +251,70 @@ struct exynos5_phy_control { unsigned int phy_con41; unsigned int phy_con42; }; + +enum ddr_mode { + DDR_MODE_DDR2, + DDR_MODE_DDR3, + DDR_MODE_LPDDR2, + DDR_MODE_LPDDR3, + + DDR_MODE_COUNT, +}; + +enum mem_manuf { + MEM_MANUF_AUTODETECT, + MEM_MANUF_ELPIDA, + MEM_MANUF_SAMSUNG, + + MEM_MANUF_COUNT, +}; + +/* CONCONTROL register fields */ +#define CONCONTROL_DFI_INIT_START_SHIFT 28 +#define CONCONTROL_RD_FETCH_SHIFT 12 +#define CONCONTROL_RD_FETCH_MASK (0x7 << CONCONTROL_RD_FETCH_SHIFT) +#define CONCONTROL_AREF_EN_SHIFT 5 + +/* PRECHCONFIG register field */ +#define PRECHCONFIG_TP_CNT_SHIFT 24 + +/* PWRDNCONFIG register field */ +#define PWRDNCONFIG_DPWRDN_CYC_SHIFT 0 +#define PWRDNCONFIG_DSREF_CYC_SHIFT 16 + +/* PHY_CON0 register fields */ +#define PHY_CON0_T_WRRDCMD_SHIFT 17 +#define PHY_CON0_T_WRRDCMD_MASK (0x7 << PHY_CON0_T_WRRDCMD_SHIFT) +#define PHY_CON0_CTRL_DDR_MODE_SHIFT 11 + +/* PHY_CON1 register fields */ +#define PHY_CON1_RDLVL_RDDATA_ADJ_SHIFT 0 + +/* PHY_CON12 register fields */ +#define PHY_CON12_CTRL_START_POINT_SHIFT 24 +#define PHY_CON12_CTRL_INC_SHIFT 16 +#define PHY_CON12_CTRL_FORCE_SHIFT 8 +#define PHY_CON12_CTRL_START_SHIFT 6 +#define PHY_CON12_CTRL_START_MASK (1 << PHY_CON12_CTRL_START_SHIFT) +#define PHY_CON12_CTRL_DLL_ON_SHIFT 5 +#define PHY_CON12_CTRL_DLL_ON_MASK (1 << PHY_CON12_CTRL_DLL_ON_SHIFT) +#define PHY_CON12_CTRL_REF_SHIFT 1 + +/* PHY_CON16 register fields */ +#define PHY_CON16_ZQ_MODE_DDS_SHIFT 24 +#define PHY_CON16_ZQ_MODE_DDS_MASK (0x7 << PHY_CON16_ZQ_MODE_DDS_SHIFT) + +#define PHY_CON16_ZQ_MODE_TERM_SHIFT 21 +#define PHY_CON16_ZQ_MODE_TERM_MASK (0x7 << PHY_CON16_ZQ_MODE_TERM_SHIFT) + +#define PHY_CON16_ZQ_MODE_NOTERM_MASK (1 << 19) + +/* PHY_CON42 register fields */ +#define PHY_CON42_CTRL_BSTLEN_SHIFT 8 +#define PHY_CON42_CTRL_BSTLEN_MASK (0xff << PHY_CON42_CTRL_BSTLEN_SHIFT) + +#define PHY_CON42_CTRL_RDLAT_SHIFT 0 +#define PHY_CON42_CTRL_RDLAT_MASK (0x1f << PHY_CON42_CTRL_RDLAT_SHIFT) + #endif #endif |