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Subject[PATCH v3 1/4] OMAP3: hwmod data: add mmu data for iva and isp
Date
Add mmu hwmod data for iva and isp.

Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
---
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 131 ++++++++++++++++++++++++++++
arch/arm/plat-omap/include/plat/iommu.h | 13 +++
2 files changed, 144 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 3008e16..d7ee173 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -26,6 +26,7 @@
#include <plat/mcbsp.h>
#include <plat/mcspi.h>
#include <plat/dmtimer.h>
+#include <plat/iommu.h>

#include "omap_hwmod_common_data.h"

@@ -2920,6 +2921,132 @@ static struct omap_hwmod omap34xx_mcspi4 = {
};

/*
+ * 'mmu' class
+ * The memory management unit performs virtual to physical address translation
+ * for its requestors.
+ */
+
+static struct omap_hwmod_class_sysconfig mmu_sysc = {
+ .rev_offs = 0x000,
+ .sysc_offs = 0x010,
+ .syss_offs = 0x014,
+ .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE |
+ SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
+ .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+ .sysc_fields = &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap3xxx_mmu_hwmod_class = {
+ .name = "mmu",
+ .sysc = &mmu_sysc,
+};
+
+/* isp mmu */
+
+static struct omap_mmu_dev_attr isp_mmu_dev_attr = {
+ .da_start = 0x0,
+ .da_end = 0xfffff000,
+ .nr_tlb_entries = 8,
+};
+
+static struct omap_hwmod omap3xxx_isp_mmu_hwmod;
+static struct omap_hwmod_irq_info omap3xxx_isp_mmu_irqs[] = {
+ { .irq = 24 },
+ { .irq = -1 }
+};
+
+static struct omap_hwmod_addr_space omap3xxx_isp_mmu_addrs[] = {
+ {
+ .pa_start = 0x480bd400,
+ .pa_end = 0x480bd47f,
+ .flags = ADDR_TYPE_RT,
+ },
+ { }
+};
+
+/* l4_core -> isp mmu */
+static struct omap_hwmod_ocp_if omap3xxx_l4_core__isp_mmu = {
+ .master = &omap3xxx_l4_core_hwmod,
+ .slave = &omap3xxx_isp_mmu_hwmod,
+ .addr = omap3xxx_isp_mmu_addrs,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* isp mmu slave ports */
+static struct omap_hwmod_ocp_if *omap3xxx_isp_mmu_slaves[] = {
+ &omap3xxx_l4_core__isp_mmu,
+};
+
+static struct omap_hwmod omap3xxx_isp_mmu_hwmod = {
+ .name = "isp_mmu",
+ .class = &omap3xxx_mmu_hwmod_class,
+ .mpu_irqs = omap3xxx_isp_mmu_irqs,
+ .main_clk = "cam_ick",
+ .dev_attr = &isp_mmu_dev_attr,
+ .slaves = omap3xxx_isp_mmu_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap3xxx_isp_mmu_slaves),
+ .flags = HWMOD_NO_IDLEST,
+};
+
+/* iva mmu */
+
+static struct omap_mmu_dev_attr iva_mmu_dev_attr = {
+ .da_start = 0x11000000,
+ .da_end = 0xfffff000,
+ .nr_tlb_entries = 32,
+};
+
+static struct omap_hwmod omap3xxx_iva_mmu_hwmod;
+static struct omap_hwmod_irq_info omap3xxx_iva_mmu_irqs[] = {
+ { .irq = 28 },
+ { .irq = -1 }
+};
+
+static struct omap_hwmod_rst_info omap3xxx_iva_mmu_resets[] = {
+ { .name = "mmu", .rst_shift = 1, .st_shift = 9 },
+};
+
+static struct omap_hwmod_addr_space omap3xxx_iva_mmu_addrs[] = {
+ {
+ .pa_start = 0x5d000000,
+ .pa_end = 0x5d00007f,
+ .flags = ADDR_TYPE_RT,
+ },
+ { }
+};
+
+/* l3_main -> iva mmu */
+static struct omap_hwmod_ocp_if omap3xxx_l3_main__iva_mmu = {
+ .master = &omap3xxx_l3_main_hwmod,
+ .slave = &omap3xxx_iva_mmu_hwmod,
+ .addr = omap3xxx_iva_mmu_addrs,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* iva mmu slave ports */
+static struct omap_hwmod_ocp_if *omap3xxx_iva_mmu_slaves[] = {
+ &omap3xxx_l3_main__iva_mmu,
+};
+
+static struct omap_hwmod omap3xxx_iva_mmu_hwmod = {
+ .name = "iva_mmu",
+ .class = &omap3xxx_mmu_hwmod_class,
+ .mpu_irqs = omap3xxx_iva_mmu_irqs,
+ .rst_lines = omap3xxx_iva_mmu_resets,
+ .rst_lines_cnt = ARRAY_SIZE(omap3xxx_iva_mmu_resets),
+ .main_clk = "iva2_ck",
+ .prcm = {
+ .omap2 = {
+ .module_offs = OMAP3430_IVA2_MOD,
+ },
+ },
+ .dev_attr = &iva_mmu_dev_attr,
+ .slaves = omap3xxx_iva_mmu_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap3xxx_iva_mmu_slaves),
+ .flags = HWMOD_NO_IDLEST | HWMOD_INIT_NO_RESET,
+};
+
+/*
* usbhsotg
*/
static struct omap_hwmod_class_sysconfig omap3xxx_usbhsotg_sysc = {
@@ -3220,6 +3347,10 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
&omap34xx_mcspi3,
&omap34xx_mcspi4,

+ /* mmu class */
+ &omap3xxx_isp_mmu_hwmod,
+ &omap3xxx_iva_mmu_hwmod,
+
NULL,
};

diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h
index c8b955f..e713691 100644
--- a/arch/arm/plat-omap/include/plat/iommu.h
+++ b/arch/arm/plat-omap/include/plat/iommu.h
@@ -104,6 +104,19 @@ struct iommu_functions {
ssize_t (*dump_ctx)(struct omap_iommu *obj, char *buf, ssize_t len);
};

+/**
+ * omap_mmu_dev_attr - OMAP mmu device attributes for omap_hwmod
+ * @da_start: device address where the va space starts.
+ * @da_end: device address where the va space ends.
+ * @nr_tlb_entries: number of entries supported by the translation
+ * look-aside buffer (TLB).
+ */
+struct omap_mmu_dev_attr {
+ u32 da_start;
+ u32 da_end;
+ int nr_tlb_entries;
+};
+
struct iommu_platform_data {
const char *name;
const char *clk_name;
--
1.7.0.4


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