diff options
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 3d5db8c83b3c..1c217e89deb9 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2357,6 +2357,8 @@ static struct device_node *of_dev_hwmod_lookup(struct device_node *np, /** * _init_mpu_rt_base - populate the virtual address for a hwmod * @oh: struct omap_hwmod * to locate the virtual address + * @data: (unused, caller should pass NULL) + * @np: struct device_node * of the IP block's device node in the DT data * * Cache the virtual address used by the MPU to access this IP block's * registers. This address is needed early so the OCP registers that @@ -2365,11 +2367,11 @@ static struct device_node *of_dev_hwmod_lookup(struct device_node *np, * Returns 0 on success, -EINVAL if an invalid hwmod is passed, and * -ENXIO on absent or invalid register target address space. */ -static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data) +static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, + struct device_node *np) { struct omap_hwmod_addr_space *mem; void __iomem *va_start = NULL; - struct device_node *np; if (!oh) return -EINVAL; @@ -2385,12 +2387,10 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data) oh->name); /* Extract the IO space from device tree blob */ - if (!of_have_populated_dt()) + if (!np) return -ENXIO; - np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh); - if (np) - va_start = of_iomap(np, oh->mpu_rt_idx); + va_start = of_iomap(np, oh->mpu_rt_idx); } else { va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start); } @@ -2423,12 +2423,16 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data) static int __init _init(struct omap_hwmod *oh, void *data) { int r; + struct device_node *np = NULL; if (oh->_state != _HWMOD_STATE_REGISTERED) return 0; + if (of_have_populated_dt()) + np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh); + if (oh->class->sysc) { - r = _init_mpu_rt_base(oh, NULL); + r = _init_mpu_rt_base(oh, NULL, np); if (r < 0) { WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n", oh->name); @@ -2442,6 +2446,12 @@ static int __init _init(struct omap_hwmod *oh, void *data) return -EINVAL; } + if (np) + if (of_find_property(np, "ti,no-reset-on-init", NULL)) + oh->flags |= HWMOD_INIT_NO_RESET; + if (of_find_property(np, "ti,no-idle-on-init", NULL)) + oh->flags |= HWMOD_INIT_NO_IDLE; + oh->_state = _HWMOD_STATE_INITIALIZED; return 0; |
