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imx: mx6: ddr add an entry ddr_type for mx6_ddr_sysinfo

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Add ddr_type entry for mx6_ddr_sysinfo. It will be used for
differenrate DDR3 and LPDDR2.

Introduce an enum type for ddr_type.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tim Harvey <tharvey@gateworks.com>
This commit is contained in:
Peng Fan 2015-08-17 16:11:02 +08:00 • committed by Stefano Babic
parent 775d591f5d
commit 003fa83c43
1 changed files with 6 additions and 0 deletions
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6
arch/arm/include/asm/arch-mx6/mx6-ddr.h
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@ -30,6 +30,11 @@
#endif /* CONFIG_MX6Q */ #endif /* CONFIG_MX6Q */
#else #else
enum {
DDR_TYPE_DDR3,
DDR_TYPE_LPDDR2,
};
/* MMDC P0/P1 Registers */ /* MMDC P0/P1 Registers */
struct mmdc_p_regs { struct mmdc_p_regs {
u32 mdctl; u32 mdctl;
@ -387,6 +392,7 @@ struct mx6_ddr_sysinfo {
u8 rst_to_cke; /* Time from SDE enable to CKE rise */ u8 rst_to_cke; /* Time from SDE enable to CKE rise */
u8 sde_to_rst; /* Time from SDE enable until DDR reset# is high */ u8 sde_to_rst; /* Time from SDE enable until DDR reset# is high */
u8 pd_fast_exit;/* enable precharge powerdown fast-exit */ u8 pd_fast_exit;/* enable precharge powerdown fast-exit */
u8 ddr_type; /* DDR type: DDR3(0) or LPDDR2(1) */
}; };
/* /*