diff options
| author | Icenowy Zheng <icenowy@aosc.xyz> | 2017-06-03 17:10:23 +0800 |
|---|---|---|
| committer | Jagan Teki <jagan@amarulasolutions.com> | 2017-06-08 22:37:55 +0530 |
| commit | 72cc987002539b23b0c97321cc2ccfc1b05f48de (patch) | |
| tree | f9cb13a78a3d502d8fa3c1c3694c3fc37c145c8b /arch/arm | |
| parent | 7d06e59f73f0d4d2733fe41529cefa264404e0d9 (diff) | |
sunxi: add LPDDR3 DRAM type support for DesignWare-like DRAM controller
Some A64 boards (SoPine and Pinebook production batch) use LPDDR3 DRAM
chips.
Add support for LPDDR3 DRAM in the DesignWare-like DRAM controller code.
Real LPDDR3 chips' support is not added yet in this commit.
Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-sunxi/Kconfig | 3 | ||||
| -rw-r--r-- | arch/arm/mach-sunxi/dram_sunxi_dw.c | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index ca6417388a..2761915638 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -226,6 +226,9 @@ config SUNXI_DRAM_DDR3 config SUNXI_DRAM_DDR2 bool +config SUNXI_DRAM_LPDDR3 + bool + choice prompt "DRAM Type and Timing" default SUNXI_DRAM_DDR3_1333 if !MACH_SUN8I_V3S diff --git a/arch/arm/mach-sunxi/dram_sunxi_dw.c b/arch/arm/mach-sunxi/dram_sunxi_dw.c index 20c3055b7a..78b4ffb9c3 100644 --- a/arch/arm/mach-sunxi/dram_sunxi_dw.c +++ b/arch/arm/mach-sunxi/dram_sunxi_dw.c @@ -342,6 +342,8 @@ static void mctl_set_cr(uint16_t socid, struct dram_para *para) MCTL_CR_DDR3 | MCTL_CR_2T | #elif defined CONFIG_SUNXI_DRAM_DDR2 MCTL_CR_DDR2 | MCTL_CR_2T | +#elif defined CONFIG_SUNXI_DRAM_LPDDR3 + MCTL_CR_LPDDR3 | MCTL_CR_1T | #else #error Unsupported DRAM type! #endif |