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 marex@denx.de Cc: Eric Nelson eric@nelint.com Cc: Fabio Estevam fabio.estevam@nxp.com Cc: Stefano Babic sbabic@denx.de --- 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 16df71083d..f872bfdab3 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;