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
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index d8604a3..385c083 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -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 @@
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
diff --git a/arch/arm/mach-omap2/hdq1w.c b/arch/arm/mach-omap2/hdq1w.c
new file mode 100644
index 0000000..297ebe0
--- /dev/null
+++ b/arch/arm/mach-omap2/hdq1w.c
@@ -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;
+}
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 065bd76..fafcc35 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -363,24 +363,6 @@
#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();
}
diff --git a/arch/arm/mach-omap2/msdi.c b/arch/arm/mach-omap2/msdi.c
new file mode 100644
index 0000000..ef2a692
--- /dev/null
+++ b/arch/arm/mach-omap2/msdi.c
@@ -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;
+}
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 2c087ff..a7640d1 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -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_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 @@
.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 @@
&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,
};
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index 71d9f88..4d72649 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -528,6 +528,23 @@
.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 @@
.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 @@
&omap2430_l4_core__mcbsp3,
&omap2430_l4_core__mcbsp4,
&omap2430_l4_core__mcbsp5,
+ &omap2430_l4_core__hdq1w,
+ &omap2430_l4_wkup__counter_32k,
NULL,
};
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_interconnect_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_interconnect_data.c
index 04637fa..cbb4ef6 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_interconnect_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_interconnect_data.c
@@ -171,3 +171,12 @@
},
{ }
};
+
+struct omap_hwmod_addr_space omap2_hdq1w_addr_space[] = {
+ {
+ .pa_start = 0x480b2000,
+ .pa_end = 0x480b2fff,
+ .flags = ADDR_TYPE_RT,
+ },
+ { }
+};
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
index f08e442..102d76e 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
@@ -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 @@
{ .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 }
+};
+
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
index 45aaa07..83eafd9 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
@@ -89,7 +89,8 @@
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 @@
.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,
+};
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 0c65079..fd48797 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -418,7 +418,8 @@
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 @@
/* 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 @@
/* 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 @@
/* 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 @@
/* 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 @@
/* 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_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 @@
.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 @@
&omap34xx_l4_core__mcspi2,
&omap34xx_l4_core__mcspi3,
&omap34xx_l4_core__mcspi4,
+ &omap3xxx_l4_wkup__counter_32k,
NULL,
};
@@ -3151,6 +3231,7 @@
&omap34xx_l4_core__sr1,
&omap34xx_l4_core__sr2,
&omap3xxx_l4_core__mailbox,
+ &omap3xxx_l4_core__hdq1w,
NULL
};
@@ -3170,6 +3251,7 @@
&omap3xxx_l4_core__usb_tll_hs,
&omap3xxx_l4_core__es3plus_mmc1,
&omap3xxx_l4_core__es3plus_mmc2,
+ &omap3xxx_l4_core__hdq1w,
NULL
};
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 4906129..950454a 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -1487,7 +1487,8 @@
};
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 @@
/* 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 @@
/* 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 @@
/* 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 @@
/* 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 @@
.name = "wd_timer",
.sysc = &omap44xx_wd_timer_sysc,
.pre_shutdown = &omap2_wd_timer_disable,
+ .reset = &omap2_wd_timer_reset,
};
/* wd_timer2 */
diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.h b/arch/arm/mach-omap2/omap_hwmod_common_data.h
index 7aa9156..e7e8eea 100644
--- a/arch/arm/mach-omap2/omap_hwmod_common_data.h
+++ b/arch/arm/mach-omap2/omap_hwmod_common_data.h
@@ -38,6 +38,7 @@
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_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_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_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;
diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c
index 4067669..b2f1c67 100644
--- a/arch/arm/mach-omap2/wd_timer.c
+++ b/arch/arm/mach-omap2/wd_timer.c
@@ -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 @@
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);
+}
diff --git a/arch/arm/mach-omap2/wd_timer.h b/arch/arm/mach-omap2/wd_timer.h
index e0054a2..f6bbba7 100644
--- a/arch/arm/mach-omap2/wd_timer.h
+++ b/arch/arm/mach-omap2/wd_timer.h
@@ -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
diff --git a/arch/arm/plat-omap/include/plat/hdq1w.h b/arch/arm/plat-omap/include/plat/hdq1w.h
new file mode 100644
index 0000000..0c1efc8
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/hdq1w.h
@@ -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
diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
index 7a38750..3e7ae0f 100644
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -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 @@
}
#endif
+
+extern int omap_msdi_reset(struct omap_hwmod *oh);
+
#endif
