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Data changes related to omap hwmod 

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Merge tag 'omap-devel-hwmod-data-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm

Data changes related to omap hwmod

By Paul Walmsley (4) and others
via Paul Walmsley (1) and Tony Lindgren (1)
* tag 'omap-devel-hwmod-data-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: WDTIMER integration: fix !PM boot crash, disarm timer after hwmod reset
  ARM: OMAP2/3: hwmod data: Add 32k-sync timer data to hwmod database
  ARM: OMAP4: hwmod_data: Name the common irq for McBSP ports
  ARM: OMAP4: hwmod data: I2C: add flag for context restore
  ARM: OMAP3: hwmod_data: Rename the common irq for McBSP ports
  ARM: OMAP2xxx: hwmod data: add HDQ/1-wire hwmod
  ARM: OMAP3: hwmod data: add HDQ/1-wire hwmod
  ARM: OMAP2+: hwmod data: add HDQ/1-wire hwmod shared data
  ARM: OMAP2+: HDQ1W: add custom reset function
  ARM: OMAP2420: hwmod data: Add MMC hwmod data for 2420
This commit is contained in:
Olof Johansson 2012-05-10 23:41:06 -07:00
parent 620340cad8 bfd1787986
commit b335d89cd4
16 changed files with 562 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/mach-omap2/Makefile
View File

@ -4,7 +4,7 @@
# Common support
obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer.o pm.o \
common.o gpio.o dma.o wd_timer.o display.o i2c.o
common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o
omap-2-3-common = irq.o sdrc.o
hwmod-common = omap_hwmod.o \
@ -189,6 +189,9 @@ ifneq ($(CONFIG_TIDSPBRIDGE),)
obj-y += dsp.o
endif
# OMAP2420 MSDI controller integration support ("MMC")
obj-$(CONFIG_SOC_OMAP2420) += msdi.o
# Specific board support
obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o

72
arch/arm/mach-omap2/hdq1w.c Normal file
View File

@ -0,0 +1,72 @@
/*
* IP block integration code for the HDQ1W/1-wire IP block
*
* Copyright (C) 2012 Texas Instruments, Inc.
* Paul Walmsley
*
* Based on the I2C reset code in arch/arm/mach-omap2/i2c.c by
* Avinash.H.M <avinashhm@ti.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <plat/omap_hwmod.h>
#include <plat/hdq1w.h>
#include "common.h"
/* Maximum microseconds to wait for OMAP module to softreset */
#define MAX_MODULE_SOFTRESET_WAIT 10000
/**
* omap_hdq1w_reset - reset the OMAP HDQ1W module
* @oh: struct omap_hwmod *
*
* OCP soft reset the HDQ1W IP block. Section 20.6.1.4 "HDQ1W/1-Wire
* Software Reset" of the OMAP34xx Technical Reference Manual Revision
* ZR (SWPU223R) does not include the rather important fact that, for
* the reset to succeed, the HDQ1W module's internal clock gate must be
* programmed to allow the clock to propagate to the rest of the
* module. In this sense, it's rather similar to the I2C custom reset
* function. Returns 0.
*/
int omap_hdq1w_reset(struct omap_hwmod *oh)
{
u32 v;
int c = 0;
/* Write to the SOFTRESET bit */
omap_hwmod_softreset(oh);
/* Enable the module's internal clocks */
v = omap_hwmod_read(oh, HDQ_CTRL_STATUS_OFFSET);
v |= 1 << HDQ_CTRL_STATUS_CLOCKENABLE_SHIFT;
omap_hwmod_write(v, oh, HDQ_CTRL_STATUS_OFFSET);
/* Poll on RESETDONE bit */
omap_test_timeout((omap_hwmod_read(oh,
oh->class->sysc->syss_offs)
& SYSS_RESETDONE_MASK),
MAX_MODULE_SOFTRESET_WAIT, c);
if (c == MAX_MODULE_SOFTRESET_WAIT)
pr_warning("%s: %s: softreset failed (waited %d usec)\n",
__func__, oh->name, MAX_MODULE_SOFTRESET_WAIT);
else
pr_debug("%s: %s: softreset in %d usec\n", __func__,
oh->name, c);
return 0;
}

18
arch/arm/mach-omap2/io.c
View File

@ -363,24 +363,6 @@ static void __init omap_hwmod_init_postsetup(void)
#endif
omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
/*
* Set the default postsetup state for unusual modules (like
* MPU WDT).
*
* The postsetup_state is not actually used until
* omap_hwmod_late_init(), so boards that desire full watchdog
* coverage of kernel initialization can reprogram the
* postsetup_state between the calls to
* omap2_init_common_infra() and omap_sdrc_init().
*
* XXX ideally we could detect whether the MPU WDT was currently
* enabled here and make this conditional
*/
postsetup_state = _HWMOD_STATE_DISABLED;
omap_hwmod_for_each_by_class("wd_timer",
_set_hwmod_postsetup_state,
&postsetup_state);
omap_pm_if_early_init();
}

88
arch/arm/mach-omap2/msdi.c Normal file
View File

@ -0,0 +1,88 @@
/*
* MSDI IP block reset
*
* Copyright (C) 2012 Texas Instruments, Inc.
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* XXX What about pad muxing?
*/
#include <linux/kernel.h>
#include <plat/omap_hwmod.h>
#include <plat/mmc.h>
#include "common.h"
/*
* MSDI_CON_OFFSET: offset in bytes of the MSDI IP block's CON register
* from the IP block's base address
*/
#define MSDI_CON_OFFSET 0x0c
/* Register bitfields in the CON register */
#define MSDI_CON_POW_MASK BIT(11)
#define MSDI_CON_CLKD_MASK (0x3f << 0)
#define MSDI_CON_CLKD_SHIFT 0
/* Maximum microseconds to wait for OMAP module to softreset */
#define MAX_MODULE_SOFTRESET_WAIT 10000
/* MSDI_TARGET_RESET_CLKD: clock divisor to use throughout the reset */
#define MSDI_TARGET_RESET_CLKD 0x3ff
/**
* omap_msdi_reset - reset the MSDI IP block
* @oh: struct omap_hwmod *
*
* The MSDI IP block on OMAP2420 has to have both the POW and CLKD
* fields set inside its CON register for a reset to complete
* successfully. This is not documented in the TRM. For CLKD, we use
* the value that results in the lowest possible clock rate, to attempt
* to avoid disturbing any cards.
*/
int omap_msdi_reset(struct omap_hwmod *oh)
{
u16 v = 0;
int c = 0;
/* Write to the SOFTRESET bit */
omap_hwmod_softreset(oh);
/* Enable the MSDI core and internal clock */
v |= MSDI_CON_POW_MASK;
v |= MSDI_TARGET_RESET_CLKD << MSDI_CON_CLKD_SHIFT;
omap_hwmod_write(v, oh, MSDI_CON_OFFSET);
/* Poll on RESETDONE bit */
omap_test_timeout((omap_hwmod_read(oh, oh->class->sysc->syss_offs)
& SYSS_RESETDONE_MASK),
MAX_MODULE_SOFTRESET_WAIT, c);
if (c == MAX_MODULE_SOFTRESET_WAIT)
pr_warning("%s: %s: softreset failed (waited %d usec)\n",
__func__, oh->name, MAX_MODULE_SOFTRESET_WAIT);
else
pr_debug("%s: %s: softreset in %d usec\n", __func__,
oh->name, c);
/* Disable the MSDI internal clock */
v &= ~MSDI_CON_CLKD_MASK;
omap_hwmod_write(v, oh, MSDI_CON_OFFSET);
return 0;
}

112
arch/arm/mach-omap2/omap_hwmod_2420_data.c
View File

@ -23,6 +23,7 @@
#include <plat/dmtimer.h>
#include <plat/l3_2xxx.h>
#include <plat/l4_2xxx.h>
#include <plat/mmc.h>
#include "omap_hwmod_common_data.h"
@ -239,6 +240,67 @@ static struct omap_hwmod omap2420_mcbsp2_hwmod = {
},
};
static struct omap_hwmod_class_sysconfig omap2420_msdi_sysc = {
.rev_offs = 0x3c,
.sysc_offs = 0x64,
.syss_offs = 0x68,
.sysc_flags = (SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
.sysc_fields = &omap_hwmod_sysc_type1,
};
static struct omap_hwmod_class omap2420_msdi_hwmod_class = {
.name = "msdi",
.sysc = &omap2420_msdi_sysc,
.reset = &omap_msdi_reset,
};
/* msdi1 */
static struct omap_hwmod_irq_info omap2420_msdi1_irqs[] = {
{ .irq = 83 },
{ .irq = -1 }
};
static struct omap_hwmod_dma_info omap2420_msdi1_sdma_reqs[] = {
{ .name = "tx", .dma_req = 61 }, /* OMAP24XX_DMA_MMC1_TX */
{ .name = "rx", .dma_req = 62 }, /* OMAP24XX_DMA_MMC1_RX */
{ .dma_req = -1 }
};
static struct omap_hwmod omap2420_msdi1_hwmod = {
.name = "msdi1",
.class = &omap2420_msdi_hwmod_class,
.mpu_irqs = omap2420_msdi1_irqs,
.sdma_reqs = omap2420_msdi1_sdma_reqs,
.main_clk = "mmc_fck",
.prcm = {
.omap2 = {
.prcm_reg_id = 1,
.module_bit = OMAP2420_EN_MMC_SHIFT,
.module_offs = CORE_MOD,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP2420_ST_MMC_SHIFT,
},
},
.flags = HWMOD_16BIT_REG,
};
/* HDQ1W/1-wire */
static struct omap_hwmod omap2420_hdq1w_hwmod = {
.name = "hdq1w",
.mpu_irqs = omap2_hdq1w_mpu_irqs,
.main_clk = "hdq_fck",
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP24XX_EN_HDQ_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP24XX_ST_HDQ_SHIFT,
},
},
.class = &omap2_hdq1w_class,
};
/*
* interfaces
*/
@ -428,6 +490,53 @@ static struct omap_hwmod_ocp_if omap2420_l4_core__mcbsp2 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
static struct omap_hwmod_addr_space omap2420_msdi1_addrs[] = {
{
.pa_start = 0x4809c000,
.pa_end = 0x4809c000 + SZ_128 - 1,
.flags = ADDR_TYPE_RT,
},
{ }
};
/* l4_core -> msdi1 */
static struct omap_hwmod_ocp_if omap2420_l4_core__msdi1 = {
.master = &omap2xxx_l4_core_hwmod,
.slave = &omap2420_msdi1_hwmod,
.clk = "mmc_ick",
.addr = omap2420_msdi1_addrs,
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> hdq1w interface */
static struct omap_hwmod_ocp_if omap2420_l4_core__hdq1w = {
.master = &omap2xxx_l4_core_hwmod,
.slave = &omap2420_hdq1w_hwmod,
.clk = "hdq_ick",
.addr = omap2_hdq1w_addr_space,
.user = OCP_USER_MPU | OCP_USER_SDMA,
.flags = OMAP_FIREWALL_L4 | OCPIF_SWSUP_IDLE,
};
/* l4_wkup -> 32ksync_counter */
static struct omap_hwmod_addr_space omap2420_counter_32k_addrs[] = {
{
.pa_start = 0x48004000,
.pa_end = 0x4800401f,
.flags = ADDR_TYPE_RT
},
{ }
};
static struct omap_hwmod_ocp_if omap2420_l4_wkup__counter_32k = {
.master = &omap2xxx_l4_wkup_hwmod,
.slave = &omap2xxx_counter_32k_hwmod,
.clk = "sync_32k_ick",
.addr = omap2420_counter_32k_addrs,
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = {
&omap2xxx_l3_main__l4_core,
&omap2xxx_mpu__l3_main,
@ -468,6 +577,9 @@ static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = {
&omap2420_l4_core__mailbox,
&omap2420_l4_core__mcbsp1,
&omap2420_l4_core__mcbsp2,
&omap2420_l4_core__msdi1,
&omap2420_l4_core__hdq1w,
&omap2420_l4_wkup__counter_32k,
NULL,
};

47
arch/arm/mach-omap2/omap_hwmod_2430_data.c
View File

@ -528,6 +528,23 @@ static struct omap_hwmod omap2430_mmc2_hwmod = {
.class = &omap2430_mmc_class,
};
/* HDQ1W/1-wire */
static struct omap_hwmod omap2430_hdq1w_hwmod = {
.name = "hdq1w",
.mpu_irqs = omap2_hdq1w_mpu_irqs,
.main_clk = "hdq_fck",
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP24XX_EN_HDQ_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP24XX_ST_HDQ_SHIFT,
},
},
.class = &omap2_hdq1w_class,
};
/*
* interfaces
*/
@ -838,6 +855,34 @@ static struct omap_hwmod_ocp_if omap2430_l4_core__mcbsp5 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> hdq1w */
static struct omap_hwmod_ocp_if omap2430_l4_core__hdq1w = {
.master = &omap2xxx_l4_core_hwmod,
.slave = &omap2430_hdq1w_hwmod,
.clk = "hdq_ick",
.addr = omap2_hdq1w_addr_space,
.user = OCP_USER_MPU | OCP_USER_SDMA,
.flags = OMAP_FIREWALL_L4 | OCPIF_SWSUP_IDLE,
};
/* l4_wkup -> 32ksync_counter */
static struct omap_hwmod_addr_space omap2430_counter_32k_addrs[] = {
{
.pa_start = 0x49020000,
.pa_end = 0x4902001f,
.flags = ADDR_TYPE_RT
},
{ }
};
static struct omap_hwmod_ocp_if omap2430_l4_wkup__counter_32k = {
.master = &omap2xxx_l4_wkup_hwmod,
.slave = &omap2xxx_counter_32k_hwmod,
.clk = "sync_32k_ick",
.addr = omap2430_counter_32k_addrs,
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = {
&omap2xxx_l3_main__l4_core,
&omap2xxx_mpu__l3_main,
@ -886,6 +931,8 @@ static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = {
&omap2430_l4_core__mcbsp3,
&omap2430_l4_core__mcbsp4,
&omap2430_l4_core__mcbsp5,
&omap2430_l4_core__hdq1w,
&omap2430_l4_wkup__counter_32k,
NULL,
};

9
arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_interconnect_data.c
View File

@ -171,3 +171,12 @@ struct omap_hwmod_addr_space omap2_mcbsp1_addrs[] = {
},
{ }
};
struct omap_hwmod_addr_space omap2_hdq1w_addr_space[] = {
{
.pa_start = 0x480b2000,
.pa_end = 0x480b2fff,
.flags = ADDR_TYPE_RT,
},
{ }
};

22
arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
View File

@ -2,6 +2,7 @@
* omap_hwmod_2xxx_3xxx_ipblock_data.c - common IP block data for OMAP2/3
*
* Copyright (C) 2011 Nokia Corporation
* Copyright (C) 2012 Texas Instruments, Inc.
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
@ -12,6 +13,7 @@
#include <plat/serial.h>
#include <plat/dma.h>
#include <plat/common.h>
#include <plat/hdq1w.h>
#include <mach/irqs.h>
@ -302,3 +304,23 @@ struct omap_hwmod_irq_info omap2_mcspi2_mpu_irqs[] = {
{ .irq = -1 }
};
struct omap_hwmod_class_sysconfig omap2_hdq1w_sysc = {
.rev_offs = 0x0,
.sysc_offs = 0x14,
.syss_offs = 0x18,
.sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
SYSS_HAS_RESET_STATUS),
.sysc_fields = &omap_hwmod_sysc_type1,
};
struct omap_hwmod_class omap2_hdq1w_class = {
.name = "hdq1w",
.sysc = &omap2_hdq1w_sysc,
.reset = &omap_hdq1w_reset,
};
struct omap_hwmod_irq_info omap2_hdq1w_mpu_irqs[] = {
{ .irq = 58, },
{ .irq = -1 }
};

23
arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
View File

@ -89,7 +89,8 @@ static struct omap_hwmod_class_sysconfig omap2xxx_wd_timer_sysc = {
struct omap_hwmod_class omap2xxx_wd_timer_hwmod_class = {
.name = "wd_timer",
.sysc = &omap2xxx_wd_timer_sysc,
.pre_shutdown = &omap2_wd_timer_disable
.pre_shutdown = &omap2_wd_timer_disable,
.reset = &omap2_wd_timer_reset,
};
/*
@ -732,3 +733,23 @@ struct omap_hwmod omap2xxx_mcspi2_hwmod = {
.class = &omap2xxx_mcspi_class,
.dev_attr = &omap_mcspi2_dev_attr,
};
static struct omap_hwmod_class omap2xxx_counter_hwmod_class = {
.name = "counter",
};
struct omap_hwmod omap2xxx_counter_32k_hwmod = {
.name = "counter_32k",
.main_clk = "func_32k_ck",
.prcm = {
.omap2 = {
.module_offs = WKUP_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP24XX_ST_32KSYNC_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP24XX_ST_32KSYNC_SHIFT,
},
},
.class = &omap2xxx_counter_hwmod_class,
};

94
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
View File

@ -418,7 +418,8 @@ static struct omap_hwmod_class_sysconfig i2c_sysc = {
static struct omap_hwmod_class omap3xxx_wd_timer_hwmod_class = {
.name = "wd_timer",
.sysc = &omap3xxx_wd_timer_sysc,
.pre_shutdown = &omap2_wd_timer_disable
.pre_shutdown = &omap2_wd_timer_disable,
.reset = &omap2_wd_timer_reset,
};
static struct omap_hwmod omap3xxx_wd_timer2_hwmod = {
@ -1075,7 +1076,7 @@ static struct omap_hwmod_class omap3xxx_mcbsp_hwmod_class = {
/* mcbsp1 */
static struct omap_hwmod_irq_info omap3xxx_mcbsp1_irqs[] = {
{ .name = "irq", .irq = 16 },
{ .name = "common", .irq = 16 },
{ .name = "tx", .irq = 59 },
{ .name = "rx", .irq = 60 },
{ .irq = -1 }
@ -1100,7 +1101,7 @@ static struct omap_hwmod omap3xxx_mcbsp1_hwmod = {
/* mcbsp2 */
static struct omap_hwmod_irq_info omap3xxx_mcbsp2_irqs[] = {
{ .name = "irq", .irq = 17 },
{ .name = "common", .irq = 17 },
{ .name = "tx", .irq = 62 },
{ .name = "rx", .irq = 63 },
{ .irq = -1 }
@ -1130,7 +1131,7 @@ static struct omap_hwmod omap3xxx_mcbsp2_hwmod = {
/* mcbsp3 */
static struct omap_hwmod_irq_info omap3xxx_mcbsp3_irqs[] = {
{ .name = "irq", .irq = 22 },
{ .name = "common", .irq = 22 },
{ .name = "tx", .irq = 89 },
{ .name = "rx", .irq = 90 },
{ .irq = -1 }
@ -1160,7 +1161,7 @@ static struct omap_hwmod omap3xxx_mcbsp3_hwmod = {
/* mcbsp4 */
static struct omap_hwmod_irq_info omap3xxx_mcbsp4_irqs[] = {
{ .name = "irq", .irq = 23 },
{ .name = "common", .irq = 23 },
{ .name = "tx", .irq = 54 },
{ .name = "rx", .irq = 55 },
{ .irq = -1 }
@ -1191,7 +1192,7 @@ static struct omap_hwmod omap3xxx_mcbsp4_hwmod = {
/* mcbsp5 */
static struct omap_hwmod_irq_info omap3xxx_mcbsp5_irqs[] = {
{ .name = "irq", .irq = 27 },
{ .name = "common", .irq = 27 },
{ .name = "tx", .irq = 81 },
{ .name = "rx", .irq = 82 },
{ .irq = -1 }
@ -1980,6 +1981,56 @@ static struct omap_hwmod omap3xxx_usb_tll_hs_hwmod = {
},
};
static struct omap_hwmod omap3xxx_hdq1w_hwmod = {
.name = "hdq1w",
.mpu_irqs = omap2_hdq1w_mpu_irqs,
.main_clk = "hdq_fck",
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP3430_EN_HDQ_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP3430_ST_HDQ_SHIFT,
},
},
.class = &omap2_hdq1w_class,
};
/*
* '32K sync counter' class
* 32-bit ordinary counter, clocked by the falling edge of the 32 khz clock
*/
static struct omap_hwmod_class_sysconfig omap3xxx_counter_sysc = {
.rev_offs = 0x0000,
.sysc_offs = 0x0004,
.sysc_flags = SYSC_HAS_SIDLEMODE,
.idlemodes = (SIDLE_FORCE | SIDLE_NO),
.sysc_fields = &omap_hwmod_sysc_type1,
};
static struct omap_hwmod_class omap3xxx_counter_hwmod_class = {
.name = "counter",
.sysc = &omap3xxx_counter_sysc,
};
static struct omap_hwmod omap3xxx_counter_32k_hwmod = {
.name = "counter_32k",
.class = &omap3xxx_counter_hwmod_class,
.clkdm_name = "wkup_clkdm",
.flags = HWMOD_SWSUP_SIDLE,
.main_clk = "wkup_32k_fck",
.prcm = {
.omap2 = {
.module_offs = WKUP_MOD,
.prcm_reg_id = 1,
.module_bit = OMAP3430_ST_32KSYNC_SHIFT,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP3430_ST_32KSYNC_SHIFT,
},
},
};
/*
* interfaces
*/
@ -3059,6 +3110,34 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_core__usb_tll_hs = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> hdq1w interface */
static struct omap_hwmod_ocp_if omap3xxx_l4_core__hdq1w = {
.master = &omap3xxx_l4_core_hwmod,
.slave = &omap3xxx_hdq1w_hwmod,
.clk = "hdq_ick",
.addr = omap2_hdq1w_addr_space,
.user = OCP_USER_MPU | OCP_USER_SDMA,
.flags = OMAP_FIREWALL_L4 | OCPIF_SWSUP_IDLE,
};
/* l4_wkup -> 32ksync_counter */
static struct omap_hwmod_addr_space omap3xxx_counter_32k_addrs[] = {
{
.pa_start = 0x48320000,
.pa_end = 0x4832001f,
.flags = ADDR_TYPE_RT
},
{ }
};
static struct omap_hwmod_ocp_if omap3xxx_l4_wkup__counter_32k = {
.master = &omap3xxx_l4_wkup_hwmod,
.slave = &omap3xxx_counter_32k_hwmod,
.clk = "omap_32ksync_ick",
.addr = omap3xxx_counter_32k_addrs,
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = {
&omap3xxx_l3_main__l4_core,
&omap3xxx_l3_main__l4_per,
@ -3103,6 +3182,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = {
&omap34xx_l4_core__mcspi2,
&omap34xx_l4_core__mcspi3,
&omap34xx_l4_core__mcspi4,
&omap3xxx_l4_wkup__counter_32k,
NULL,
};
@ -3151,6 +3231,7 @@ static struct omap_hwmod_ocp_if *omap34xx_hwmod_ocp_ifs[] __initdata = {
&omap34xx_l4_core__sr1,
&omap34xx_l4_core__sr2,
&omap3xxx_l4_core__mailbox,
&omap3xxx_l4_core__hdq1w,
NULL
};
@ -3170,6 +3251,7 @@ static struct omap_hwmod_ocp_if *omap36xx_hwmod_ocp_ifs[] __initdata = {
&omap3xxx_l4_core__usb_tll_hs,
&omap3xxx_l4_core__es3plus_mmc1,
&omap3xxx_l4_core__es3plus_mmc2,
&omap3xxx_l4_core__hdq1w,
NULL
};

12
arch/arm/mach-omap2/omap_hwmod_44xx_data.c
View File

@ -1487,7 +1487,8 @@ static struct omap_hwmod_class omap44xx_i2c_hwmod_class = {
};
static struct omap_i2c_dev_attr i2c_dev_attr = {
.flags = OMAP_I2C_FLAG_BUS_SHIFT_NONE,
.flags = OMAP_I2C_FLAG_BUS_SHIFT_NONE |
OMAP_I2C_FLAG_RESET_REGS_POSTIDLE,
};
/* i2c1 */
@ -1911,7 +1912,7 @@ static struct omap_hwmod_class omap44xx_mcbsp_hwmod_class = {
/* mcbsp1 */
static struct omap_hwmod_irq_info omap44xx_mcbsp1_irqs[] = {
{ .irq = 17 + OMAP44XX_IRQ_GIC_START },
{ .name = "common", .irq = 17 + OMAP44XX_IRQ_GIC_START },
{ .irq = -1 }
};
@ -1946,7 +1947,7 @@ static struct omap_hwmod omap44xx_mcbsp1_hwmod = {
/* mcbsp2 */
static struct omap_hwmod_irq_info omap44xx_mcbsp2_irqs[] = {
{ .irq = 22 + OMAP44XX_IRQ_GIC_START },
{ .name = "common", .irq = 22 + OMAP44XX_IRQ_GIC_START },
{ .irq = -1 }
};
@ -1981,7 +1982,7 @@ static struct omap_hwmod omap44xx_mcbsp2_hwmod = {
/* mcbsp3 */
static struct omap_hwmod_irq_info omap44xx_mcbsp3_irqs[] = {
{ .irq = 23 + OMAP44XX_IRQ_GIC_START },
{ .name = "common", .irq = 23 + OMAP44XX_IRQ_GIC_START },
{ .irq = -1 }
};
@ -2016,7 +2017,7 @@ static struct omap_hwmod omap44xx_mcbsp3_hwmod = {
/* mcbsp4 */
static struct omap_hwmod_irq_info omap44xx_mcbsp4_irqs[] = {
{ .irq = 16 + OMAP44XX_IRQ_GIC_START },
{ .name = "common", .irq = 16 + OMAP44XX_IRQ_GIC_START },
{ .irq = -1 }
};
@ -3534,6 +3535,7 @@ static struct omap_hwmod_class omap44xx_wd_timer_hwmod_class = {
.name = "wd_timer",
.sysc = &omap44xx_wd_timer_sysc,
.pre_shutdown = &omap2_wd_timer_disable,
.reset = &omap2_wd_timer_reset,
};
/* wd_timer2 */

5
arch/arm/mach-omap2/omap_hwmod_common_data.h
View File

@ -38,6 +38,7 @@ extern struct omap_hwmod_addr_space omap2430_mcspi3_addr_space[];
extern struct omap_hwmod_addr_space omap2_dma_system_addrs[];
extern struct omap_hwmod_addr_space omap2_mailbox_addrs[];
extern struct omap_hwmod_addr_space omap2_mcbsp1_addrs[];
extern struct omap_hwmod_addr_space omap2_hdq1w_addr_space[];
/* Common IP block data across OMAP2xxx */
extern struct omap_hwmod_irq_info omap2xxx_timer12_mpu_irqs[];
@ -74,6 +75,7 @@ extern struct omap_hwmod omap2xxx_gpio3_hwmod;
extern struct omap_hwmod omap2xxx_gpio4_hwmod;
extern struct omap_hwmod omap2xxx_mcspi1_hwmod;
extern struct omap_hwmod omap2xxx_mcspi2_hwmod;
extern struct omap_hwmod omap2xxx_counter_32k_hwmod;
/* Common interface data across OMAP2xxx */
extern struct omap_hwmod_ocp_if omap2xxx_l3_main__l4_core;
@ -141,6 +143,7 @@ extern struct omap_hwmod_irq_info omap2_dma_system_irqs[];
extern struct omap_hwmod_irq_info omap2_mcspi1_mpu_irqs[];
extern struct omap_hwmod_irq_info omap2_mcspi2_mpu_irqs[];
extern struct omap_hwmod_addr_space omap2xxx_timer12_addrs[];
extern struct omap_hwmod_irq_info omap2_hdq1w_mpu_irqs[];
/* OMAP hwmod classes - forward declarations */
extern struct omap_hwmod_class l3_hwmod_class;
@ -152,6 +155,8 @@ extern struct omap_hwmod_class omap2_dss_hwmod_class;
extern struct omap_hwmod_class omap2_dispc_hwmod_class;
extern struct omap_hwmod_class omap2_rfbi_hwmod_class;
extern struct omap_hwmod_class omap2_venc_hwmod_class;
extern struct omap_hwmod_class_sysconfig omap2_hdq1w_sysc;
extern struct omap_hwmod_class omap2_hdq1w_class;
extern struct omap_hwmod_class omap2xxx_timer_hwmod_class;
extern struct omap_hwmod_class omap2xxx_wd_timer_hwmod_class;

45
arch/arm/mach-omap2/wd_timer.c
View File

@ -14,6 +14,7 @@
#include <plat/omap_hwmod.h>
#include "wd_timer.h"
#include "common.h"
/*
* In order to avoid any assumptions from bootloader regarding WDT
@ -25,6 +26,8 @@
#define OMAP_WDT_WPS 0x34
#define OMAP_WDT_SPR 0x48
/* Maximum microseconds to wait for OMAP module to softreset */
#define MAX_MODULE_SOFTRESET_WAIT 10000
int omap2_wd_timer_disable(struct omap_hwmod *oh)
{
@ -54,3 +57,45 @@ int omap2_wd_timer_disable(struct omap_hwmod *oh)
return 0;
}
/**
* omap2_wdtimer_reset - reset and disable the WDTIMER IP block
* @oh: struct omap_hwmod *
*
* After the WDTIMER IP blocks are reset on OMAP2/3, we must also take
* care to execute the special watchdog disable sequence. This is
* because the watchdog is re-armed upon OCP softreset. (On OMAP4,
* this behavior was apparently changed and the watchdog is no longer
* re-armed after an OCP soft-reset.) Returns -ETIMEDOUT if the reset
* did not complete, or 0 upon success.
*
* XXX Most of this code should be moved to the omap_hwmod.c layer
* during a normal merge window. omap_hwmod_softreset() should be
* renamed to omap_hwmod_set_ocp_softreset(), and omap_hwmod_softreset()
* should call the hwmod _ocp_softreset() code.
*/
int omap2_wd_timer_reset(struct omap_hwmod *oh)
{
int c = 0;
/* Write to the SOFTRESET bit */
omap_hwmod_softreset(oh);
/* Poll on RESETDONE bit */
omap_test_timeout((omap_hwmod_read(oh,
oh->class->sysc->syss_offs)
& SYSS_RESETDONE_MASK),
MAX_MODULE_SOFTRESET_WAIT, c);
if (oh->class->sysc->srst_udelay)
udelay(oh->class->sysc->srst_udelay);
if (c == MAX_MODULE_SOFTRESET_WAIT)
pr_warning("%s: %s: softreset failed (waited %d usec)\n",
__func__, oh->name, MAX_MODULE_SOFTRESET_WAIT);
else
pr_debug("%s: %s: softreset in %d usec\n", __func__,
oh->name, c);
return (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT :
omap2_wd_timer_disable(oh);
}

1
arch/arm/mach-omap2/wd_timer.h
View File

@ -13,5 +13,6 @@
#include <plat/omap_hwmod.h>
extern int omap2_wd_timer_disable(struct omap_hwmod *oh);
extern int omap2_wd_timer_reset(struct omap_hwmod *oh);
#endif

36
arch/arm/plat-omap/include/plat/hdq1w.h Normal file
View File

@ -0,0 +1,36 @@
/*
* Shared macros and function prototypes for the HDQ1W/1-wire IP block
*
* Copyright (C) 2012 Texas Instruments, Inc.
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef ARCH_ARM_MACH_OMAP2_HDQ1W_H
#define ARCH_ARM_MACH_OMAP2_HDQ1W_H
#include <plat/omap_hwmod.h>
/*
* XXX A future cleanup patch should modify
* drivers/w1/masters/omap_hdq.c to use these macros
*/
#define HDQ_CTRL_STATUS_OFFSET 0x0c
#define HDQ_CTRL_STATUS_CLOCKENABLE_SHIFT 5
extern int omap_hdq1w_reset(struct omap_hwmod *oh);
#endif

4
arch/arm/plat-omap/include/plat/mmc.h
View File

@ -16,6 +16,7 @@
#include <linux/mmc/host.h>
#include <plat/board.h>
#include <plat/omap_hwmod.h>
#define OMAP15XX_NR_MMC 1
#define OMAP16XX_NR_MMC 2
@ -195,4 +196,7 @@ static inline int omap_mmc_add(const char *name, int id, unsigned long base,
}
#endif
extern int omap_msdi_reset(struct omap_hwmod *oh);
#endif