From d1a7205532a34bad2b83451258ca4ccacb9085e4 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sun, 13 Sep 2020 01:35:08 +0200 Subject: [PATCH] ARM: mx6: ddr: Add support for iMX6UL/ULL/SL/SDL This patch adds support for iMX6UL/ULL/SL/SDL MMDC into the DDR calibration code. The difference between MX6DQ and MX6UL/ULL/SL is that the later SoCs have 2 SDQS registers, just like MX6SX, while the MX6DQ/MX6SDL has 8. Fixes: 4f4c128c65 ("ARM: mx6: ddr: Add support for iMX6SX") Signed-off-by: Marek Vasut Cc: Eric Nelson Cc: Fabio Estevam Cc: Stefano Babic Reviewed-by: Fabio Estevam --- arch/arm/mach-imx/mx6/ddr.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm/mach-imx/mx6/ddr.c b/arch/arm/mach-imx/mx6/ddr.c index 16df710..f872bfd 100644 --- a/arch/arm/mach-imx/mx6/ddr.c +++ b/arch/arm/mach-imx/mx6/ddr.c @@ -250,16 +250,31 @@ int mmdc_do_write_level_calibration(struct mx6_ddr_sysinfo const *sysinfo) static void mmdc_set_sdqs(bool set) { + struct mx6sdl_iomux_ddr_regs *mx6sdl_ddr_iomux = + (struct mx6sdl_iomux_ddr_regs *)MX6SDL_IOM_DDR_BASE; struct mx6dq_iomux_ddr_regs *mx6dq_ddr_iomux = (struct mx6dq_iomux_ddr_regs *)MX6DQ_IOM_DDR_BASE; struct mx6sx_iomux_ddr_regs *mx6sx_ddr_iomux = (struct mx6sx_iomux_ddr_regs *)MX6SX_IOM_DDR_BASE; + struct mx6sl_iomux_ddr_regs *mx6sl_ddr_iomux = + (struct mx6sl_iomux_ddr_regs *)MX6SL_IOM_DDR_BASE; + struct mx6ul_iomux_ddr_regs *mx6ul_ddr_iomux = + (struct mx6ul_iomux_ddr_regs *)MX6UL_IOM_DDR_BASE; int i, sdqs_cnt; u32 sdqs; if (is_mx6sx()) { sdqs = (u32)(&mx6sx_ddr_iomux->dram_sdqs0); sdqs_cnt = 2; + } else if (is_mx6sl()) { + sdqs = (u32)(&mx6sl_ddr_iomux->dram_sdqs0); + sdqs_cnt = 2; + } else if (is_mx6ul() || is_mx6ull()) { + sdqs = (u32)(&mx6ul_ddr_iomux->dram_sdqs0); + sdqs_cnt = 2; + } else if (is_mx6sdl()) { + sdqs = (u32)(&mx6sdl_ddr_iomux->dram_sdqs0); + sdqs_cnt = 8; } else { /* MX6DQ */ sdqs = (u32)(&mx6dq_ddr_iomux->dram_sdqs0); sdqs_cnt = 8; -- 2.7.4