As part of PWM subsystem integration, PWM subsystem are sharing
resources like clock across submodules (ECAP, EQEP & EHRPWM).
To handle resource sharing & IP integration
1. Rework on parent child relation between PWMSS and
ECAP, EQEP & EHRPWM child devices to support runtime PM.
2. Add support for opt_clks in EHRPWM HWMOD entry to handle additional
clock gating from control module.
3. Add HWMOD entries for EQEP PWM submodule.
Signed-off-by: Philip, Avinash <avinashphi...@ti.com>
---
Changes since v1:
- Remove ADDR_TYPE_RT for PWM sub module register entries.
:100644 100644 ad8d43b... de2301c... M
arch/arm/mach-omap2/omap_hwmod_33xx_data.c
arch/arm/mach-omap2/omap_hwmod_33xx_data.c | 419 ++++++++++++++++++----------
1 files changed, 276 insertions(+), 143 deletions(-)
diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
index ad8d43b..de2301c 100644
--- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
@@ -768,9 +768,7 @@ static struct omap_hwmod am33xx_elm_hwmod = {
},
};
-/*
- * 'epwmss' class: ecap0,1,2, ehrpwm0,1,2
- */
+/* pwmss */
static struct omap_hwmod_class_sysconfig am33xx_epwmss_sysc = {
.rev_offs = 0x0,
.sysc_offs = 0x4,
@@ -786,18 +784,23 @@ static struct omap_hwmod_class am33xx_epwmss_hwmod_class
= {
.sysc = &am33xx_epwmss_sysc,
};
-/* ehrpwm0 */
-static struct omap_hwmod_irq_info am33xx_ehrpwm0_irqs[] = {
- { .name = "int", .irq = 86 + OMAP_INTC_START, },
- { .name = "tzint", .irq = 58 + OMAP_INTC_START, },
- { .irq = -1 },
+
+static struct omap_hwmod_class am33xx_ecap_hwmod_class = {
+ .name = "ecap",
};
-static struct omap_hwmod am33xx_ehrpwm0_hwmod = {
- .name = "ehrpwm0",
+static struct omap_hwmod_class am33xx_eqep_hwmod_class = {
+ .name = "eqep",
+};
+
+static struct omap_hwmod_class am33xx_ehrpwm_hwmod_class = {
+ .name = "ehrpwm",
+};
+/* epwmss0 */
+static struct omap_hwmod am33xx_epwmss0_hwmod = {
+ .name = "epwmss0",
.class = &am33xx_epwmss_hwmod_class,
.clkdm_name = "l4ls_clkdm",
- .mpu_irqs = am33xx_ehrpwm0_irqs,
.main_clk = "l4ls_gclk",
.prcm = {
.omap4 = {
@@ -807,63 +810,68 @@ static struct omap_hwmod am33xx_ehrpwm0_hwmod = {
},
};
-/* ehrpwm1 */
-static struct omap_hwmod_irq_info am33xx_ehrpwm1_irqs[] = {
- { .name = "int", .irq = 87 + OMAP_INTC_START, },
- { .name = "tzint", .irq = 59 + OMAP_INTC_START, },
+/* ecap0 */
+static struct omap_hwmod_irq_info am33xx_ecap0_irqs[] = {
+ { .irq = 31 + OMAP_INTC_START, },
{ .irq = -1 },
};
-static struct omap_hwmod am33xx_ehrpwm1_hwmod = {
- .name = "ehrpwm1",
- .class = &am33xx_epwmss_hwmod_class,
+static struct omap_hwmod am33xx_ecap0_hwmod = {
+ .name = "ecap0",
+ .class = &am33xx_ecap_hwmod_class,
.clkdm_name = "l4ls_clkdm",
- .mpu_irqs = am33xx_ehrpwm1_irqs,
+ .mpu_irqs = am33xx_ecap0_irqs,
.main_clk = "l4ls_gclk",
- .prcm = {
- .omap4 = {
- .clkctrl_offs = AM33XX_CM_PER_EPWMSS1_CLKCTRL_OFFSET,
- .modulemode = MODULEMODE_SWCTRL,
- },
- },
};
-/* ehrpwm2 */
-static struct omap_hwmod_irq_info am33xx_ehrpwm2_irqs[] = {
- { .name = "int", .irq = 39 + OMAP_INTC_START, },
- { .name = "tzint", .irq = 60 + OMAP_INTC_START, },
+/* eqep0 */
+static struct omap_hwmod_irq_info am33xx_eqep0_irqs[] = {
+ { .irq = 79 + OMAP_INTC_START, },
{ .irq = -1 },
};
-static struct omap_hwmod am33xx_ehrpwm2_hwmod = {
- .name = "ehrpwm2",
- .class = &am33xx_epwmss_hwmod_class,
+static struct omap_hwmod am33xx_eqep0_hwmod = {
+ .name = "eqep0",
+ .class = &am33xx_eqep_hwmod_class,
.clkdm_name = "l4ls_clkdm",
- .mpu_irqs = am33xx_ehrpwm2_irqs,
+ .mpu_irqs = am33xx_eqep0_irqs,
.main_clk = "l4ls_gclk",
- .prcm = {
- .omap4 = {
- .clkctrl_offs = AM33XX_CM_PER_EPWMSS2_CLKCTRL_OFFSET,
- .modulemode = MODULEMODE_SWCTRL,
- },
- },
};
-/* ecap0 */
-static struct omap_hwmod_irq_info am33xx_ecap0_irqs[] = {
- { .irq = 31 + OMAP_INTC_START, },
+/* ehrpwm0 */
+static struct omap_hwmod_irq_info am33xx_ehrpwm0_irqs[] = {
+ { .name = "int", .irq = 86 + OMAP_INTC_START, },
+ { .name = "tzint", .irq = 58 + OMAP_INTC_START, },
{ .irq = -1 },
};
-static struct omap_hwmod am33xx_ecap0_hwmod = {
- .name = "ecap0",
+/*
+ * Optional clock entry is provided to support additional clock
+ * gating for EHRPWM module functional from control module.
+ */
+static struct omap_hwmod_opt_clk ehrpwm0_opt_clks[] = {
+ { .role = "tbclk", .clk = "ehrpwm0_tbclk" },
+};
+
+static struct omap_hwmod am33xx_ehrpwm0_hwmod = {
+ .name = "ehrpwm0",
+ .class = &am33xx_ehrpwm_hwmod_class,
+ .clkdm_name = "l4ls_clkdm",
+ .mpu_irqs = am33xx_ehrpwm0_irqs,
+ .main_clk = "l4ls_gclk",
+ .opt_clks = ehrpwm0_opt_clks,
+ .opt_clks_cnt = ARRAY_SIZE(ehrpwm0_opt_clks),
+};
+
+/* epwmss1 */
+static struct omap_hwmod am33xx_epwmss1_hwmod = {
+ .name = "epwmss1",
.class = &am33xx_epwmss_hwmod_class,
.clkdm_name = "l4ls_clkdm",
- .mpu_irqs = am33xx_ecap0_irqs,
.main_clk = "l4ls_gclk",
.prcm = {
.omap4 = {
- .clkctrl_offs = AM33XX_CM_PER_EPWMSS0_CLKCTRL_OFFSET,
+ .clkctrl_offs = AM33XX_CM_PER_EPWMSS1_CLKCTRL_OFFSET,
.modulemode = MODULEMODE_SWCTRL,
},
},
@@ -877,13 +885,60 @@ static struct omap_hwmod_irq_info am33xx_ecap1_irqs[] = {
static struct omap_hwmod am33xx_ecap1_hwmod = {
.name = "ecap1",
- .class = &am33xx_epwmss_hwmod_class,
+ .class = &am33xx_ecap_hwmod_class,
.clkdm_name = "l4ls_clkdm",
.mpu_irqs = am33xx_ecap1_irqs,
.main_clk = "l4ls_gclk",
+};
+
+/* eqep1 */
+static struct omap_hwmod_irq_info am33xx_eqep1_irqs[] = {
+ { .irq = 88 + OMAP_INTC_START, },
+ { .irq = -1 },
+};
+
+static struct omap_hwmod am33xx_eqep1_hwmod = {
+ .name = "eqep1",
+ .class = &am33xx_eqep_hwmod_class,
+ .clkdm_name = "l4ls_clkdm",
+ .mpu_irqs = am33xx_eqep1_irqs,
+ .main_clk = "l4ls_gclk",
+};
+
+/* ehrpwm1 */
+static struct omap_hwmod_irq_info am33xx_ehrpwm1_irqs[] = {
+ { .name = "int", .irq = 87 + OMAP_INTC_START, },
+ { .name = "tzint", .irq = 59 + OMAP_INTC_START, },
+ { .irq = -1 },
+};
+
+/*
+ * Optional clock entry is provided to support additional clock
+ * gating for EHRPWM module functional from control module.
+ */
+static struct omap_hwmod_opt_clk ehrpwm1_opt_clks[] = {
+ { .role = "tbclk", .clk = "ehrpwm1_tbclk" },
+};
+
+static struct omap_hwmod am33xx_ehrpwm1_hwmod = {
+ .name = "ehrpwm1",
+ .class = &am33xx_ehrpwm_hwmod_class,
+ .clkdm_name = "l4ls_clkdm",
+ .mpu_irqs = am33xx_ehrpwm1_irqs,
+ .main_clk = "l4ls_gclk",
+ .opt_clks = ehrpwm1_opt_clks,
+ .opt_clks_cnt = ARRAY_SIZE(ehrpwm1_opt_clks),
+};
+
+/* epwmss2 */
+static struct omap_hwmod am33xx_epwmss2_hwmod = {
+ .name = "epwmss2",
+ .class = &am33xx_epwmss_hwmod_class,
+ .clkdm_name = "l4ls_clkdm",
+ .main_clk = "l4ls_gclk",
.prcm = {
.omap4 = {
- .clkctrl_offs = AM33XX_CM_PER_EPWMSS1_CLKCTRL_OFFSET,
+ .clkctrl_offs = AM33XX_CM_PER_EPWMSS2_CLKCTRL_OFFSET,
.modulemode = MODULEMODE_SWCTRL,
},
},
@@ -897,16 +952,49 @@ static struct omap_hwmod_irq_info am33xx_ecap2_irqs[] = {
static struct omap_hwmod am33xx_ecap2_hwmod = {
.name = "ecap2",
+ .class = &am33xx_ecap_hwmod_class,
+ .clkdm_name = "l4ls_clkdm",
.mpu_irqs = am33xx_ecap2_irqs,
- .class = &am33xx_epwmss_hwmod_class,
+ .main_clk = "l4ls_gclk",
+};
+
+/* eqep2 */
+static struct omap_hwmod_irq_info am33xx_eqep2_irqs[] = {
+ { .irq = 89 + OMAP_INTC_START, },
+ { .irq = -1 },
+};
+
+static struct omap_hwmod am33xx_eqep2_hwmod = {
+ .name = "eqep2",
+ .class = &am33xx_eqep_hwmod_class,
.clkdm_name = "l4ls_clkdm",
+ .mpu_irqs = am33xx_eqep2_irqs,
.main_clk = "l4ls_gclk",
- .prcm = {
- .omap4 = {
- .clkctrl_offs = AM33XX_CM_PER_EPWMSS2_CLKCTRL_OFFSET,
- .modulemode = MODULEMODE_SWCTRL,
- },
- },
+};
+
+/* ehrpwm2 */
+static struct omap_hwmod_irq_info am33xx_ehrpwm2_irqs[] = {
+ { .name = "int", .irq = 39 + OMAP_INTC_START, },
+ { .name = "tzint", .irq = 60 + OMAP_INTC_START, },
+ { .irq = -1 },
+};
+
+/*
+ * Optional clock entry is provided to support additional clock
+ * gating for EHRPWM module functional from control module.
+ */
+static struct omap_hwmod_opt_clk ehrpwm2_opt_clks[] = {
+ { .role = "tbclk", .clk = "ehrpwm2_tbclk" },
+};
+
+static struct omap_hwmod am33xx_ehrpwm2_hwmod = {
+ .name = "ehrpwm2",
+ .class = &am33xx_ehrpwm_hwmod_class,
+ .clkdm_name = "l4ls_clkdm",
+ .mpu_irqs = am33xx_ehrpwm2_irqs,
+ .main_clk = "l4ls_gclk",
+ .opt_clks = ehrpwm2_opt_clks,
+ .opt_clks_cnt = ARRAY_SIZE(ehrpwm2_opt_clks),
};
/*
@@ -2518,162 +2606,201 @@ static struct omap_hwmod_ocp_if am33xx_l4_ls__elm = {
.user = OCP_USER_MPU,
};
-/*
- * Splitting the resources to handle access of PWMSS config space
- * and module specific part independently
- */
-static struct omap_hwmod_addr_space am33xx_ehrpwm0_addr_space[] = {
+static struct omap_hwmod_addr_space am33xx_epwmss0_addr_space[] = {
{
.pa_start = 0x48300000,
.pa_end = 0x48300000 + SZ_16 - 1,
.flags = ADDR_TYPE_RT
},
- {
- .pa_start = 0x48300200,
- .pa_end = 0x48300200 + SZ_256 - 1,
- .flags = ADDR_TYPE_RT
- },
{ }
};
-static struct omap_hwmod_ocp_if am33xx_l4_ls__ehrpwm0 = {
+static struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss0 = {
.master = &am33xx_l4_ls_hwmod,
- .slave = &am33xx_ehrpwm0_hwmod,
+ .slave = &am33xx_epwmss0_hwmod,
.clk = "l4ls_gclk",
- .addr = am33xx_ehrpwm0_addr_space,
+ .addr = am33xx_epwmss0_addr_space,
.user = OCP_USER_MPU,
};
-/*
- * Splitting the resources to handle access of PWMSS config space
- * and module specific part independently
- */
-static struct omap_hwmod_addr_space am33xx_ehrpwm1_addr_space[] = {
- {
- .pa_start = 0x48302000,
- .pa_end = 0x48302000 + SZ_16 - 1,
- .flags = ADDR_TYPE_RT
- },
+static struct omap_hwmod_addr_space am33xx_ecap0_addr_space[] = {
{
- .pa_start = 0x48302200,
- .pa_end = 0x48302200 + SZ_256 - 1,
- .flags = ADDR_TYPE_RT
+ .pa_start = 0x48300100,
+ .pa_end = 0x48300100 + SZ_128 - 1,
},
{ }
};
-static struct omap_hwmod_ocp_if am33xx_l4_ls__ehrpwm1 = {
- .master = &am33xx_l4_ls_hwmod,
- .slave = &am33xx_ehrpwm1_hwmod,
+static struct omap_hwmod_ocp_if am33xx_epwmss0__ecap0 = {
+ .master = &am33xx_epwmss0_hwmod,
+ .slave = &am33xx_ecap0_hwmod,
.clk = "l4ls_gclk",
- .addr = am33xx_ehrpwm1_addr_space,
+ .addr = am33xx_ecap0_addr_space,
.user = OCP_USER_MPU,
};
-/*
- * Splitting the resources to handle access of PWMSS config space
- * and module specific part independently
- */
-static struct omap_hwmod_addr_space am33xx_ehrpwm2_addr_space[] = {
+static struct omap_hwmod_addr_space am33xx_eqep0_addr_space[] = {
{
- .pa_start = 0x48304000,
- .pa_end = 0x48304000 + SZ_16 - 1,
- .flags = ADDR_TYPE_RT
- },
- {
- .pa_start = 0x48304200,
- .pa_end = 0x48304200 + SZ_256 - 1,
- .flags = ADDR_TYPE_RT
+ .pa_start = 0x48300180,
+ .pa_end = 0x48300180 + SZ_128 - 1,
},
{ }
};
-static struct omap_hwmod_ocp_if am33xx_l4_ls__ehrpwm2 = {
- .master = &am33xx_l4_ls_hwmod,
- .slave = &am33xx_ehrpwm2_hwmod,
+static struct omap_hwmod_ocp_if am33xx_epwmss0__eqep0 = {
+ .master = &am33xx_epwmss0_hwmod,
+ .slave = &am33xx_eqep0_hwmod,
.clk = "l4ls_gclk",
- .addr = am33xx_ehrpwm2_addr_space,
+ .addr = am33xx_eqep0_addr_space,
.user = OCP_USER_MPU,
};
-/*
- * Splitting the resources to handle access of PWMSS config space
- * and module specific part independently
- */
-static struct omap_hwmod_addr_space am33xx_ecap0_addr_space[] = {
- {
- .pa_start = 0x48300000,
- .pa_end = 0x48300000 + SZ_16 - 1,
- .flags = ADDR_TYPE_RT
- },
+static struct omap_hwmod_addr_space am33xx_ehrpwm0_addr_space[] = {
{
- .pa_start = 0x48300100,
- .pa_end = 0x48300100 + SZ_256 - 1,
- .flags = ADDR_TYPE_RT
+ .pa_start = 0x48300200,
+ .pa_end = 0x48300200 + SZ_128 - 1,
},
{ }
};
-static struct omap_hwmod_ocp_if am33xx_l4_ls__ecap0 = {
- .master = &am33xx_l4_ls_hwmod,
- .slave = &am33xx_ecap0_hwmod,
+static struct omap_hwmod_ocp_if am33xx_epwmss0__ehrpwm0 = {
+ .master = &am33xx_epwmss0_hwmod,
+ .slave = &am33xx_ehrpwm0_hwmod,
.clk = "l4ls_gclk",
- .addr = am33xx_ecap0_addr_space,
+ .addr = am33xx_ehrpwm0_addr_space,
.user = OCP_USER_MPU,
};
-/*
- * Splitting the resources to handle access of PWMSS config space
- * and module specific part independently
- */
-static struct omap_hwmod_addr_space am33xx_ecap1_addr_space[] = {
+static struct omap_hwmod_addr_space am33xx_epwmss1_addr_space[] = {
{
.pa_start = 0x48302000,
.pa_end = 0x48302000 + SZ_16 - 1,
.flags = ADDR_TYPE_RT
},
+ { }
+};
+
+static struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss1 = {
+ .master = &am33xx_l4_ls_hwmod,
+ .slave = &am33xx_epwmss1_hwmod,
+ .clk = "l4ls_gclk",
+ .addr = am33xx_epwmss1_addr_space,
+ .user = OCP_USER_MPU,
+};
+
+static struct omap_hwmod_addr_space am33xx_ecap1_addr_space[] = {
{
.pa_start = 0x48302100,
- .pa_end = 0x48302100 + SZ_256 - 1,
- .flags = ADDR_TYPE_RT
+ .pa_end = 0x48302100 + SZ_128 - 1,
},
{ }
};
-static struct omap_hwmod_ocp_if am33xx_l4_ls__ecap1 = {
- .master = &am33xx_l4_ls_hwmod,
+static struct omap_hwmod_ocp_if am33xx_epwmss1__ecap1 = {
+ .master = &am33xx_epwmss1_hwmod,
.slave = &am33xx_ecap1_hwmod,
.clk = "l4ls_gclk",
.addr = am33xx_ecap1_addr_space,
.user = OCP_USER_MPU,
};
-/*
- * Splitting the resources to handle access of PWMSS config space
- * and module specific part independently
- */
-static struct omap_hwmod_addr_space am33xx_ecap2_addr_space[] = {
+static struct omap_hwmod_addr_space am33xx_eqep1_addr_space[] = {
+ {
+ .pa_start = 0x48302180,
+ .pa_end = 0x48302180 + SZ_128 - 1,
+ },
+ { }
+};
+
+static struct omap_hwmod_ocp_if am33xx_epwmss1__eqep1 = {
+ .master = &am33xx_epwmss1_hwmod,
+ .slave = &am33xx_eqep1_hwmod,
+ .clk = "l4ls_gclk",
+ .addr = am33xx_eqep1_addr_space,
+ .user = OCP_USER_MPU,
+};
+
+static struct omap_hwmod_addr_space am33xx_ehrpwm1_addr_space[] = {
+ {
+ .pa_start = 0x48302200,
+ .pa_end = 0x48302200 + SZ_128 - 1,
+ },
+ { }
+};
+
+static struct omap_hwmod_ocp_if am33xx_epwmss1__ehrpwm1 = {
+ .master = &am33xx_epwmss1_hwmod,
+ .slave = &am33xx_ehrpwm1_hwmod,
+ .clk = "l4ls_gclk",
+ .addr = am33xx_ehrpwm1_addr_space,
+ .user = OCP_USER_MPU,
+};
+
+static struct omap_hwmod_addr_space am33xx_epwmss2_addr_space[] = {
{
.pa_start = 0x48304000,
.pa_end = 0x48304000 + SZ_16 - 1,
.flags = ADDR_TYPE_RT
},
+ { }
+};
+
+static struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss2 = {
+ .master = &am33xx_l4_ls_hwmod,
+ .slave = &am33xx_epwmss2_hwmod,
+ .clk = "l4ls_gclk",
+ .addr = am33xx_epwmss2_addr_space,
+ .user = OCP_USER_MPU,
+};
+
+static struct omap_hwmod_addr_space am33xx_ecap2_addr_space[] = {
{
.pa_start = 0x48304100,
- .pa_end = 0x48304100 + SZ_256 - 1,
- .flags = ADDR_TYPE_RT
+ .pa_end = 0x48304100 + SZ_128 - 1,
},
{ }
};
-static struct omap_hwmod_ocp_if am33xx_l4_ls__ecap2 = {
- .master = &am33xx_l4_ls_hwmod,
+static struct omap_hwmod_ocp_if am33xx_epwmss2__ecap2 = {
+ .master = &am33xx_epwmss2_hwmod,
.slave = &am33xx_ecap2_hwmod,
.clk = "l4ls_gclk",
.addr = am33xx_ecap2_addr_space,
.user = OCP_USER_MPU,
};
+static struct omap_hwmod_addr_space am33xx_eqep2_addr_space[] = {
+ {
+ .pa_start = 0x48304180,
+ .pa_end = 0x48304180 + SZ_128 - 1,
+ },
+ { }
+};
+
+static struct omap_hwmod_ocp_if am33xx_epwmss2__eqep2 = {
+ .master = &am33xx_epwmss2_hwmod,
+ .slave = &am33xx_eqep2_hwmod,
+ .clk = "l4ls_gclk",
+ .addr = am33xx_eqep2_addr_space,
+ .user = OCP_USER_MPU,
+};
+
+static struct omap_hwmod_addr_space am33xx_ehrpwm2_addr_space[] = {
+ {
+ .pa_start = 0x48304200,
+ .pa_end = 0x48304200 + SZ_128 - 1,
+ },
+ { }
+};
+
+static struct omap_hwmod_ocp_if am33xx_epwmss2__ehrpwm2 = {
+ .master = &am33xx_epwmss2_hwmod,
+ .slave = &am33xx_ehrpwm2_hwmod,
+ .clk = "l4ls_gclk",
+ .addr = am33xx_ehrpwm2_addr_space,
+ .user = OCP_USER_MPU,
+};
+
/* l3s cfg -> gpmc */
static struct omap_hwmod_addr_space am33xx_gpmc_addr_space[] = {
{
@@ -3356,12 +3483,18 @@ static struct omap_hwmod_ocp_if *am33xx_hwmod_ocp_ifs[]
__initdata = {
&am33xx_l4_ls__uart6,
&am33xx_l4_ls__spinlock,
&am33xx_l4_ls__elm,
- &am33xx_l4_ls__ehrpwm0,
- &am33xx_l4_ls__ehrpwm1,
- &am33xx_l4_ls__ehrpwm2,
- &am33xx_l4_ls__ecap0,
- &am33xx_l4_ls__ecap1,
- &am33xx_l4_ls__ecap2,
+ &am33xx_l4_ls__epwmss0,
+ &am33xx_epwmss0__ecap0,
+ &am33xx_epwmss0__eqep0,
+ &am33xx_epwmss0__ehrpwm0,
+ &am33xx_l4_ls__epwmss1,
+ &am33xx_epwmss1__ecap1,
+ &am33xx_epwmss1__eqep1,
+ &am33xx_epwmss1__ehrpwm1,
+ &am33xx_l4_ls__epwmss2,
+ &am33xx_epwmss2__ecap2,
+ &am33xx_epwmss2__eqep2,
+ &am33xx_epwmss2__ehrpwm2,
&am33xx_l3_s__gpmc,
&am33xx_l3_main__lcdc,
&am33xx_l4_ls__mcspi0,
--
1.7.0.4
--
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