diff options
author | Tony Lindgren <tony@atomide.com> | 2019-03-21 11:00:21 -0700 |
---|---|---|
committer | Tony Lindgren <tony@atomide.com> | 2019-03-26 11:26:26 -0700 |
commit | 8b30919a4e3c7aba32dd72e8208147a6496cb16c (patch) | |
tree | 83ed5f84355452710524b9f6d81f1fb058d0876e /arch/arm/mach-omap2/omap_hwmod.c | |
parent | 70451127873fee41b966328e1617ccc04f6998e7 (diff) | |
download | linux-8b30919a4e3c7aba32dd72e8208147a6496cb16c.tar.bz2 |
ARM: OMAP2+: Handle reset quirks for dynamically allocated modules
For dynamically allocated struct omap_hwmod data, we need to populate
the device IP specific reset quirks.
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.c')
-rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index ed3d503167f4..9170fbfb7c59 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -155,6 +155,8 @@ #include "soc.h" #include "common.h" #include "clockdomain.h" +#include "hdq1w.h" +#include "mmc.h" #include "powerdomain.h" #include "cm2xxx.h" #include "cm3xxx.h" @@ -165,6 +167,7 @@ #include "prm33xx.h" #include "prminst44xx.h" #include "pm.h" +#include "wd_timer.h" /* Name of the OMAP hwmod for the MPU */ #define MPU_INITIATOR_NAME "mpu" @@ -205,6 +208,20 @@ struct clkctrl_provider { static LIST_HEAD(clkctrl_providers); /** + * struct omap_hwmod_reset - IP specific reset functions + * @match: string to match against the module name + * @len: number of characters to match + * @reset: IP specific reset function + * + * Used only in cases where struct omap_hwmod is dynamically allocated. + */ +struct omap_hwmod_reset { + const char *match; + int len; + int (*reset)(struct omap_hwmod *oh); +}; + +/** * struct omap_hwmod_soc_ops - fn ptrs for some SoC-specific operations * @enable_module: function to enable a module (via MODULEMODE) * @disable_module: function to disable a module (via MODULEMODE) @@ -3542,6 +3559,57 @@ static int omap_hwmod_allocate_module(struct device *dev, struct omap_hwmod *oh, return 0; } +static const struct omap_hwmod_reset omap24xx_reset_quirks[] = { + { .match = "msdi", .len = 4, .reset = omap_msdi_reset, }, +}; + +static const struct omap_hwmod_reset dra7_reset_quirks[] = { + { .match = "pcie", .len = 4, .reset = dra7xx_pciess_reset, }, +}; + +static const struct omap_hwmod_reset omap_reset_quirks[] = { + { .match = "dss", .len = 3, .reset = omap_dss_reset, }, + { .match = "hdq1w", .len = 5, .reset = omap_hdq1w_reset, }, + { .match = "i2c", .len = 3, .reset = omap_i2c_reset, }, + { .match = "wd_timer", .len = 8, .reset = omap2_wd_timer_reset, }, +}; + +static void +omap_hwmod_init_reset_quirk(struct device *dev, struct omap_hwmod *oh, + const struct ti_sysc_module_data *data, + const struct omap_hwmod_reset *quirks, + int quirks_sz) +{ + const struct omap_hwmod_reset *quirk; + int i; + + for (i = 0; i < quirks_sz; i++) { + quirk = &quirks[i]; + if (!strncmp(data->name, quirk->match, quirk->len)) { + oh->class->reset = quirk->reset; + + return; + } + } +} + +static void +omap_hwmod_init_reset_quirks(struct device *dev, struct omap_hwmod *oh, + const struct ti_sysc_module_data *data) +{ + if (soc_is_omap24xx()) + omap_hwmod_init_reset_quirk(dev, oh, data, + omap24xx_reset_quirks, + ARRAY_SIZE(omap24xx_reset_quirks)); + + if (soc_is_dra7xx()) + omap_hwmod_init_reset_quirk(dev, oh, data, dra7_reset_quirks, + ARRAY_SIZE(dra7_reset_quirks)); + + omap_hwmod_init_reset_quirk(dev, oh, data, omap_reset_quirks, + ARRAY_SIZE(omap_reset_quirks)); +} + /** * omap_hwmod_init_module - initialize new module * @dev: struct device @@ -3580,6 +3648,8 @@ int omap_hwmod_init_module(struct device *dev, return -ENOMEM; } + omap_hwmod_init_reset_quirks(dev, oh, data); + oh->class->name = data->name; mutex_lock(&list_lock); error = _register(oh); |