Define two structure mx6sl_iomux_ddr_regs and mx6sl_iomux_grp_regs. Add a new function mx6sl_dram_iocfg to configure dram io. Add header file to define macros for register address.
Signed-off-by: Peng Fan Peng.Fan@freescale.com Cc: Stefano Babic sbabic@denx.de --- arch/arm/cpu/armv7/mx6/ddr.c | 55 +++++++++++++++++++++++++++++++ arch/arm/include/asm/arch-mx6/mx6-ddr.h | 50 ++++++++++++++++++++++++++++ arch/arm/include/asm/arch-mx6/mx6sl-ddr.h | 45 +++++++++++++++++++++++++ 3 files changed, 150 insertions(+) create mode 100644 arch/arm/include/asm/arch-mx6/mx6sl-ddr.h
diff --git a/arch/arm/cpu/armv7/mx6/ddr.c b/arch/arm/cpu/armv7/mx6/ddr.c index 3ec3e79..3f23abf 100644 --- a/arch/arm/cpu/armv7/mx6/ddr.c +++ b/arch/arm/cpu/armv7/mx6/ddr.c @@ -115,6 +115,61 @@ void mx6ul_dram_iocfg(unsigned width, } #endif
+#if defined(CONFIG_MX6SL) +void mx6sl_dram_iocfg(unsigned width, + const struct mx6sl_iomux_ddr_regs *ddr, + const struct mx6sl_iomux_grp_regs *grp) +{ + struct mx6sl_iomux_ddr_regs *mx6_ddr_iomux; + struct mx6sl_iomux_grp_regs *mx6_grp_iomux; + + mx6_ddr_iomux = (struct mx6sl_iomux_ddr_regs *)MX6SL_IOM_DDR_BASE; + mx6_grp_iomux = (struct mx6sl_iomux_grp_regs *)MX6SL_IOM_GRP_BASE; + + /* DDR IO TYPE */ + mx6_grp_iomux->grp_ddr_type = grp->grp_ddr_type; + mx6_grp_iomux->grp_ddrpke = grp->grp_ddrpke; + + /* CLOCK */ + mx6_ddr_iomux->dram_sdclk_0 = ddr->dram_sdclk_0; + + /* ADDRESS */ + mx6_ddr_iomux->dram_cas = ddr->dram_cas; + mx6_ddr_iomux->dram_ras = ddr->dram_ras; + mx6_grp_iomux->grp_addds = grp->grp_addds; + + /* Control */ + mx6_ddr_iomux->dram_reset = ddr->dram_reset; + mx6_ddr_iomux->dram_sdba2 = ddr->dram_sdba2; + mx6_grp_iomux->grp_ctlds = grp->grp_ctlds; + + /* Data Strobes */ + mx6_grp_iomux->grp_ddrmode_ctl = grp->grp_ddrmode_ctl; + mx6_ddr_iomux->dram_sdqs0 = ddr->dram_sdqs0; + mx6_ddr_iomux->dram_sdqs1 = ddr->dram_sdqs1; + if (width >= 32) { + mx6_ddr_iomux->dram_sdqs2 = ddr->dram_sdqs2; + mx6_ddr_iomux->dram_sdqs3 = ddr->dram_sdqs3; + } + + /* Data */ + mx6_grp_iomux->grp_ddrmode = grp->grp_ddrmode; + mx6_grp_iomux->grp_b0ds = grp->grp_b0ds; + mx6_grp_iomux->grp_b1ds = grp->grp_b1ds; + if (width >= 32) { + mx6_grp_iomux->grp_b2ds = grp->grp_b2ds; + mx6_grp_iomux->grp_b3ds = grp->grp_b3ds; + } + + mx6_ddr_iomux->dram_dqm0 = ddr->dram_dqm0; + mx6_ddr_iomux->dram_dqm1 = ddr->dram_dqm1; + if (width >= 32) { + mx6_ddr_iomux->dram_dqm2 = ddr->dram_dqm2; + mx6_ddr_iomux->dram_dqm3 = ddr->dram_dqm3; + } +} +#endif + #if defined(CONFIG_MX6QDL) || defined(CONFIG_MX6Q) || defined(CONFIG_MX6D) /* Configure MX6DQ mmdc iomux */ void mx6dq_dram_iocfg(unsigned width, diff --git a/arch/arm/include/asm/arch-mx6/mx6-ddr.h b/arch/arm/include/asm/arch-mx6/mx6-ddr.h index f3194da..235a44a 100644 --- a/arch/arm/include/asm/arch-mx6/mx6-ddr.h +++ b/arch/arm/include/asm/arch-mx6/mx6-ddr.h @@ -19,7 +19,11 @@ #ifdef CONFIG_MX6UL #include "mx6ul-ddr.h" #else +#ifdef CONFIG_MX6SL +#include "mx6sl-ddr.h" +#else #error "Please select cpu" +#endif /* CONFIG_MX6SL */ #endif /* CONFIG_MX6UL */ #endif /* CONFIG_MX6SX */ #endif /* CONFIG_MX6DL or CONFIG_MX6S */ @@ -113,6 +117,49 @@ struct mmdc_p_regs { u32 mpdccr; };
+#define MX6SL_IOM_DDR_BASE 0x020e0300 +struct mx6sl_iomux_ddr_regs { + u32 dram_cas; + u32 dram_cs0_b; + u32 dram_cs1_b; + u32 dram_dqm0; + u32 dram_dqm1; + u32 dram_dqm2; + u32 dram_dqm3; + u32 dram_ras; + u32 dram_reset; + u32 dram_sdba0; + u32 dram_sdba1; + u32 dram_sdba2; + u32 dram_sdcke0; + u32 dram_sdcke1; + u32 dram_sdclk_0; + u32 dram_odt0; + u32 dram_odt1; + u32 dram_sdqs0; + u32 dram_sdqs1; + u32 dram_sdqs2; + u32 dram_sdqs3; + u32 dram_sdwe_b; +}; + +#define MX6SL_IOM_GRP_BASE 0x020e0500 +struct mx6sl_iomux_grp_regs { + u32 res1[43]; + u32 grp_addds; + u32 grp_ddrmode_ctl; + u32 grp_ddrpke; + u32 grp_ddrpk; + u32 grp_ddrhys; + u32 grp_ddrmode; + u32 grp_b0ds; + u32 grp_ctlds; + u32 grp_b1ds; + u32 grp_ddr_type; + u32 grp_b2ds; + u32 grp_b3ds; +}; + #define MX6UL_IOM_DDR_BASE 0x020e0200 struct mx6ul_iomux_ddr_regs { u32 res1[17]; @@ -382,6 +429,9 @@ void mx6sx_dram_iocfg(unsigned width, void mx6ul_dram_iocfg(unsigned width, const struct mx6ul_iomux_ddr_regs *, const struct mx6ul_iomux_grp_regs *); +void mx6sl_dram_iocfg(unsigned width, + const struct mx6sl_iomux_ddr_regs *, + const struct mx6sl_iomux_grp_regs *);
/* configure mx6 mmdc registers */ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *, diff --git a/arch/arm/include/asm/arch-mx6/mx6sl-ddr.h b/arch/arm/include/asm/arch-mx6/mx6sl-ddr.h new file mode 100644 index 0000000..c3c4d69 --- /dev/null +++ b/arch/arm/include/asm/arch-mx6/mx6sl-ddr.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_MX6SL_DDR_H__ +#define __ASM_ARCH_MX6SL_DDR_H__ + +#ifndef CONFIG_MX6SL +#error "wrong CPU" +#endif + +#define MX6_IOM_DRAM_CAS_B 0x020e0300 +#define MX6_IOM_DRAM_CS0_B 0x020e0304 +#define MX6_IOM_DRAM_CS1_B 0x020e0308 + +#define MX6_IOM_DRAM_DQM0 0x020e030c +#define MX6_IOM_DRAM_DQM1 0x020e0310 +#define MX6_IOM_DRAM_DQM2 0x020e0314 +#define MX6_IOM_DRAM_DQM3 0x020e0318 + +#define MX6_IOM_DRAM_RAS_B 0x020e031c +#define MX6_IOM_DRAM_RESET 0x020e0320 + +#define MX6_IOM_DRAM_SDBA0 0x020e0324 +#define MX6_IOM_DRAM_SDBA1 0x020e0328 +#define MX6_IOM_DRAM_SDBA2 0x020e032c + +#define MX6_IOM_DRAM_SDCKE0 0x020e0330 +#define MX6_IOM_DRAM_SDCKE1 0x020e0334 + +#define MX6_IOM_DRAM_SDCLK0_P 0x020e0338 + +#define MX6_IOM_DRAM_ODT0 0x020e033c +#define MX6_IOM_DRAM_ODT1 0x020e0340 + +#define MX6_IOM_DRAM_SDQS0_P 0x020e0344 +#define MX6_IOM_DRAM_SDQS1_P 0x020e0348 +#define MX6_IOM_DRAM_SDQS2_P 0x020e034c +#define MX6_IOM_DRAM_SDQS3_P 0x020e0350 + +#define MX6_IOM_DRAM_SDWE_B 0x020e0354 + +#endif /*__ASM_ARCH_MX6SL_DDR_H__ */