mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 01:10:04 +00:00
![Tony Lindgren](/assets/img/avatar_default.png)
We need to enable no-reset-on-init quirk for GPMC if the config option for CONFIG_OMAP_GPMC_DEBUG is set. Otherwise the GPMC driver code is unable to show the bootloader configured timings. Signed-off-by: Tony Lindgren <tony@atomide.com>
168 lines
4.9 KiB
C
168 lines
4.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
|
|
#ifndef __TI_SYSC_DATA_H__
|
|
#define __TI_SYSC_DATA_H__
|
|
|
|
enum ti_sysc_module_type {
|
|
TI_SYSC_OMAP2,
|
|
TI_SYSC_OMAP2_TIMER,
|
|
TI_SYSC_OMAP3_SHAM,
|
|
TI_SYSC_OMAP3_AES,
|
|
TI_SYSC_OMAP4,
|
|
TI_SYSC_OMAP4_TIMER,
|
|
TI_SYSC_OMAP4_SIMPLE,
|
|
TI_SYSC_OMAP34XX_SR,
|
|
TI_SYSC_OMAP36XX_SR,
|
|
TI_SYSC_OMAP4_SR,
|
|
TI_SYSC_OMAP4_MCASP,
|
|
TI_SYSC_OMAP4_USB_HOST_FS,
|
|
TI_SYSC_DRA7_MCAN,
|
|
TI_SYSC_PRUSS,
|
|
};
|
|
|
|
struct ti_sysc_cookie {
|
|
void *data;
|
|
void *clkdm;
|
|
};
|
|
|
|
/**
|
|
* struct sysc_regbits - TI OCP_SYSCONFIG register field offsets
|
|
* @midle_shift: Offset of the midle bit
|
|
* @clkact_shift: Offset of the clockactivity bit
|
|
* @sidle_shift: Offset of the sidle bit
|
|
* @enwkup_shift: Offset of the enawakeup bit
|
|
* @srst_shift: Offset of the softreset bit
|
|
* @autoidle_shift: Offset of the autoidle bit
|
|
* @dmadisable_shift: Offset of the dmadisable bit
|
|
* @emufree_shift; Offset of the emufree bit
|
|
*
|
|
* Note that 0 is a valid shift, and for ti-sysc.c -ENODEV can be used if a
|
|
* feature is not available.
|
|
*/
|
|
struct sysc_regbits {
|
|
s8 midle_shift;
|
|
s8 clkact_shift;
|
|
s8 sidle_shift;
|
|
s8 enwkup_shift;
|
|
s8 srst_shift;
|
|
s8 autoidle_shift;
|
|
s8 dmadisable_shift;
|
|
s8 emufree_shift;
|
|
};
|
|
|
|
#define SYSC_QUIRK_GPMC_DEBUG BIT(26)
|
|
#define SYSC_MODULE_QUIRK_ENA_RESETDONE BIT(25)
|
|
#define SYSC_MODULE_QUIRK_PRUSS BIT(24)
|
|
#define SYSC_MODULE_QUIRK_DSS_RESET BIT(23)
|
|
#define SYSC_MODULE_QUIRK_RTC_UNLOCK BIT(22)
|
|
#define SYSC_QUIRK_CLKDM_NOAUTO BIT(21)
|
|
#define SYSC_QUIRK_FORCE_MSTANDBY BIT(20)
|
|
#define SYSC_MODULE_QUIRK_AESS BIT(19)
|
|
#define SYSC_MODULE_QUIRK_SGX BIT(18)
|
|
#define SYSC_MODULE_QUIRK_HDQ1W BIT(17)
|
|
#define SYSC_MODULE_QUIRK_I2C BIT(16)
|
|
#define SYSC_MODULE_QUIRK_WDT BIT(15)
|
|
#define SYSS_QUIRK_RESETDONE_INVERTED BIT(14)
|
|
#define SYSC_QUIRK_SWSUP_MSTANDBY BIT(13)
|
|
#define SYSC_QUIRK_SWSUP_SIDLE_ACT BIT(12)
|
|
#define SYSC_QUIRK_SWSUP_SIDLE BIT(11)
|
|
#define SYSC_QUIRK_EXT_OPT_CLOCK BIT(10)
|
|
#define SYSC_QUIRK_LEGACY_IDLE BIT(9)
|
|
#define SYSC_QUIRK_RESET_STATUS BIT(8)
|
|
#define SYSC_QUIRK_NO_IDLE BIT(7)
|
|
#define SYSC_QUIRK_NO_IDLE_ON_INIT BIT(6)
|
|
#define SYSC_QUIRK_NO_RESET_ON_INIT BIT(5)
|
|
#define SYSC_QUIRK_OPT_CLKS_NEEDED BIT(4)
|
|
#define SYSC_QUIRK_OPT_CLKS_IN_RESET BIT(3)
|
|
#define SYSC_QUIRK_16BIT BIT(2)
|
|
#define SYSC_QUIRK_UNCACHED BIT(1)
|
|
#define SYSC_QUIRK_USE_CLOCKACT BIT(0)
|
|
|
|
#define SYSC_NR_IDLEMODES 4
|
|
|
|
/**
|
|
* struct sysc_capabilities - capabilities for an interconnect target module
|
|
* @type: sysc type identifier for the module
|
|
* @sysc_mask: bitmask of supported SYSCONFIG register bits
|
|
* @regbits: bitmask of SYSCONFIG register bits
|
|
* @mod_quirks: bitmask of module specific quirks
|
|
*/
|
|
struct sysc_capabilities {
|
|
const enum ti_sysc_module_type type;
|
|
const u32 sysc_mask;
|
|
const struct sysc_regbits *regbits;
|
|
const u32 mod_quirks;
|
|
};
|
|
|
|
/**
|
|
* struct sysc_config - configuration for an interconnect target module
|
|
* @sysc_val: configured value for sysc register
|
|
* @syss_mask: configured mask value for SYSSTATUS register
|
|
* @midlemodes: bitmask of supported master idle modes
|
|
* @sidlemodes: bitmask of supported slave idle modes
|
|
* @srst_udelay: optional delay needed after OCP soft reset
|
|
* @quirks: bitmask of enabled quirks
|
|
*/
|
|
struct sysc_config {
|
|
u32 sysc_val;
|
|
u32 syss_mask;
|
|
u8 midlemodes;
|
|
u8 sidlemodes;
|
|
u8 srst_udelay;
|
|
u32 quirks;
|
|
};
|
|
|
|
enum sysc_registers {
|
|
SYSC_REVISION,
|
|
SYSC_SYSCONFIG,
|
|
SYSC_SYSSTATUS,
|
|
SYSC_MAX_REGS,
|
|
};
|
|
|
|
/**
|
|
* struct ti_sysc_module_data - ti-sysc to hwmod translation data for a module
|
|
* @name: legacy "ti,hwmods" module name
|
|
* @module_pa: physical address of the interconnect target module
|
|
* @module_size: size of the interconnect target module
|
|
* @offsets: array of register offsets as listed in enum sysc_registers
|
|
* @nr_offsets: number of registers
|
|
* @cap: interconnect target module capabilities
|
|
* @cfg: interconnect target module configuration
|
|
*
|
|
* This data is enough to allocate a new struct omap_hwmod_class_sysconfig
|
|
* based on device tree data parsed by ti-sysc driver.
|
|
*/
|
|
struct ti_sysc_module_data {
|
|
const char *name;
|
|
u64 module_pa;
|
|
u32 module_size;
|
|
int *offsets;
|
|
int nr_offsets;
|
|
const struct sysc_capabilities *cap;
|
|
struct sysc_config *cfg;
|
|
};
|
|
|
|
struct device;
|
|
struct clk;
|
|
|
|
struct ti_sysc_platform_data {
|
|
struct of_dev_auxdata *auxdata;
|
|
bool (*soc_type_gp)(void);
|
|
int (*init_clockdomain)(struct device *dev, struct clk *fck,
|
|
struct clk *ick, struct ti_sysc_cookie *cookie);
|
|
void (*clkdm_deny_idle)(struct device *dev,
|
|
const struct ti_sysc_cookie *cookie);
|
|
void (*clkdm_allow_idle)(struct device *dev,
|
|
const struct ti_sysc_cookie *cookie);
|
|
int (*init_module)(struct device *dev,
|
|
const struct ti_sysc_module_data *data,
|
|
struct ti_sysc_cookie *cookie);
|
|
int (*enable_module)(struct device *dev,
|
|
const struct ti_sysc_cookie *cookie);
|
|
int (*idle_module)(struct device *dev,
|
|
const struct ti_sysc_cookie *cookie);
|
|
int (*shutdown_module)(struct device *dev,
|
|
const struct ti_sysc_cookie *cookie);
|
|
};
|
|
|
|
#endif /* __TI_SYSC_DATA_H__ */
|