diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-imx6sl.c')
-rw-r--r-- | arch/arm/mach-imx/mach-imx6sl.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx6sl.c b/arch/arm/mach-imx/mach-imx6sl.c new file mode 100644 index 000000000..f6e87363d --- /dev/null +++ b/arch/arm/mach-imx/mach-imx6sl.c @@ -0,0 +1,82 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright 2013 Freescale Semiconductor, Inc. + */ + +#include <linux/irqchip.h> +#include <linux/of_platform.h> +#include <linux/mfd/syscon.h> +#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> +#include <linux/regmap.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include "common.h" +#include "cpuidle.h" +#include "hardware.h" + +static void __init imx6sl_fec_init(void) +{ + struct regmap *gpr; + + /* set FEC clock from internal PLL clock source */ + gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sl-iomuxc-gpr"); + if (!IS_ERR(gpr)) { + regmap_update_bits(gpr, IOMUXC_GPR1, + IMX6SL_GPR1_FEC_CLOCK_MUX2_SEL_MASK, 0); + regmap_update_bits(gpr, IOMUXC_GPR1, + IMX6SL_GPR1_FEC_CLOCK_MUX1_SEL_MASK, 0); + } else { + pr_err("failed to find fsl,imx6sl-iomux-gpr regmap\n"); + } +} + +static void __init imx6sl_init_late(void) +{ + /* imx6sl reuses imx6q cpufreq driver */ + if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) + platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0); + + if (IS_ENABLED(CONFIG_SOC_IMX6SL) && cpu_is_imx6sl()) + imx6sl_cpuidle_init(); + else if (IS_ENABLED(CONFIG_SOC_IMX6SLL)) + imx6sx_cpuidle_init(); +} + +static void __init imx6sl_init_machine(void) +{ + of_platform_default_populate(NULL, NULL, NULL); + + if (cpu_is_imx6sl()) + imx6sl_fec_init(); + imx_anatop_init(); + imx6sl_pm_init(); +} + +static void __init imx6sl_init_irq(void) +{ + imx_gpc_check_dt(); + imx_init_revision_from_anatop(); + imx_init_l2cache(); + imx_src_init(); + irqchip_init(); + if (cpu_is_imx6sl()) + imx6_pm_ccm_init("fsl,imx6sl-ccm"); + else + imx6_pm_ccm_init("fsl,imx6sll-ccm"); +} + +static const char * const imx6sl_dt_compat[] __initconst = { + "fsl,imx6sl", + "fsl,imx6sll", + NULL, +}; + +DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)") + .l2c_aux_val = 0, + .l2c_aux_mask = ~0, + .init_irq = imx6sl_init_irq, + .init_machine = imx6sl_init_machine, + .init_late = imx6sl_init_late, + .dt_compat = imx6sl_dt_compat, +MACHINE_END |