diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-imx7ulp.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-imx7ulp.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx7ulp.c b/arch/arm/mach-imx/mach-imx7ulp.c index 11ac71aaf965..410f0d745c9d 100644 --- a/arch/arm/mach-imx/mach-imx7ulp.c +++ b/arch/arm/mach-imx/mach-imx7ulp.c @@ -10,6 +10,7 @@ #include <linux/of_platform.h> #include <linux/regmap.h> #include <asm/mach/arch.h> +#include <asm/mach/map.h> #include "common.h" #include "cpuidle.h" @@ -17,6 +18,15 @@ #define SIM_JTAG_ID_REG 0x8c +/* static IO mapping, and ioremap() could always share the same mapping. */ +static struct map_desc mx7ulp_io_desc[] __initdata = { + mx7ulp_aips_map_entry(1, MT_DEVICE), + mx7ulp_aips_map_entry(2, MT_DEVICE), + mx7ulp_aips_map_entry(3, MT_DEVICE), + mx7ulp_aips_map_entry(4, MT_DEVICE), + mx7ulp_aips_map_entry(5, MT_DEVICE), +}; + static void __init imx7ulp_set_revision(void) { struct regmap *sim; @@ -45,6 +55,9 @@ static void __init imx7ulp_set_revision(void) case 2: imx_set_soc_revision(IMX_CHIP_REVISION_2_1); break; + case 3: + imx_set_soc_revision(IMX_CHIP_REVISION_2_2); + break; default: imx_set_soc_revision(IMX_CHIP_REVISION_1_0); break; @@ -65,12 +78,23 @@ static const char *const imx7ulp_dt_compat[] __initconst = { NULL, }; +static void __init imx7ulp_map_io(void) +{ + iotable_init(mx7ulp_io_desc, ARRAY_SIZE(mx7ulp_io_desc)); + imx7ulp_pm_map_io(); +} + static void __init imx7ulp_init_late(void) { + if (IS_ENABLED(CONFIG_ARM_IMX7ULP_CPUFREQ)) + platform_device_register_simple("imx7ulp-cpufreq", -1, NULL, 0); + imx7ulp_cpuidle_init(); + imx7ulp_enable_nmi(); } DT_MACHINE_START(IMX7ulp, "Freescale i.MX7ULP (Device Tree)") + .map_io = imx7ulp_map_io, .init_machine = imx7ulp_init_machine, .dt_compat = imx7ulp_dt_compat, .init_late = imx7ulp_init_late, |