diff options
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 125 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/iommu.h | 13 |
2 files changed, 138 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 f1328bce5f3c..11442d84dacd 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -27,6 +27,7 @@ #include <plat/mcbsp.h> #include <plat/mcspi.h> #include <plat/dmtimer.h> +#include <plat/iommu.h> #include <mach/am35xx.h> @@ -2858,6 +2859,122 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_per__gpio3 = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* + * '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, +}; + +/* mmu isp */ + +static struct omap_mmu_dev_attr mmu_isp_dev_attr = { + .da_start = 0x0, + .da_end = 0xfffff000, + .nr_tlb_entries = 8, +}; + +static struct omap_hwmod omap3xxx_mmu_isp_hwmod; +static struct omap_hwmod_irq_info omap3xxx_mmu_isp_irqs[] = { + { .irq = 24 }, + { .irq = -1 } +}; + +static struct omap_hwmod_addr_space omap3xxx_mmu_isp_addrs[] = { + { + .pa_start = 0x480bd400, + .pa_end = 0x480bd47f, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +/* l4_core -> mmu isp */ +static struct omap_hwmod_ocp_if omap3xxx_l4_core__mmu_isp = { + .master = &omap3xxx_l4_core_hwmod, + .slave = &omap3xxx_mmu_isp_hwmod, + .addr = omap3xxx_mmu_isp_addrs, + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod omap3xxx_mmu_isp_hwmod = { + .name = "mmu_isp", + .class = &omap3xxx_mmu_hwmod_class, + .mpu_irqs = omap3xxx_mmu_isp_irqs, + .main_clk = "cam_ick", + .dev_attr = &mmu_isp_dev_attr, + .flags = HWMOD_NO_IDLEST, +}; + +#ifdef CONFIG_OMAP_IOMMU_IVA2 + +/* mmu iva */ + +static struct omap_mmu_dev_attr mmu_iva_dev_attr = { + .da_start = 0x11000000, + .da_end = 0xfffff000, + .nr_tlb_entries = 32, +}; + +static struct omap_hwmod omap3xxx_mmu_iva_hwmod; +static struct omap_hwmod_irq_info omap3xxx_mmu_iva_irqs[] = { + { .irq = 28 }, + { .irq = -1 } +}; + +static struct omap_hwmod_rst_info omap3xxx_mmu_iva_resets[] = { + { .name = "mmu", .rst_shift = 1, .st_shift = 9 }, +}; + +static struct omap_hwmod_addr_space omap3xxx_mmu_iva_addrs[] = { + { + .pa_start = 0x5d000000, + .pa_end = 0x5d00007f, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +/* l3_main -> iva mmu */ +static struct omap_hwmod_ocp_if omap3xxx_l3_main__mmu_iva = { + .master = &omap3xxx_l3_main_hwmod, + .slave = &omap3xxx_mmu_iva_hwmod, + .addr = omap3xxx_mmu_iva_addrs, + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod omap3xxx_mmu_iva_hwmod = { + .name = "mmu_iva", + .class = &omap3xxx_mmu_hwmod_class, + .mpu_irqs = omap3xxx_mmu_iva_irqs, + .rst_lines = omap3xxx_mmu_iva_resets, + .rst_lines_cnt = ARRAY_SIZE(omap3xxx_mmu_iva_resets), + .main_clk = "iva2_ck", + .prcm = { + .omap2 = { + .module_offs = OMAP3430_IVA2_MOD, + }, + }, + .dev_attr = &mmu_iva_dev_attr, + .flags = HWMOD_NO_IDLEST, +}; + +#endif + /* l4_per -> gpio4 */ static struct omap_hwmod_addr_space omap3xxx_gpio4_addrs[] = { { @@ -3407,6 +3524,10 @@ static struct omap_hwmod_ocp_if *omap34xx_hwmod_ocp_ifs[] __initdata = { &omap3xxx_l4_core__mailbox, &omap3xxx_l4_core__hdq1w, &omap3xxx_sad2d__l3, + &omap3xxx_l4_core__mmu_isp, +#ifdef CONFIG_OMAP_IOMMU_IVA2 + &omap3xxx_l3_main__mmu_iva, +#endif NULL }; @@ -3428,6 +3549,10 @@ static struct omap_hwmod_ocp_if *omap36xx_hwmod_ocp_ifs[] __initdata = { &omap3xxx_l4_core__es3plus_mmc2, &omap3xxx_l4_core__hdq1w, &omap3xxx_sad2d__l3, + &omap3xxx_l4_core__mmu_isp, +#ifdef CONFIG_OMAP_IOMMU_IVA2 + &omap3xxx_l3_main__mmu_iva, +#endif NULL }; diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h index e58d57131476..68b5f0362f35 100644 --- a/arch/arm/plat-omap/include/plat/iommu.h +++ b/arch/arm/plat-omap/include/plat/iommu.h @@ -103,6 +103,19 @@ struct iommu_functions { ssize_t (*dump_ctx)(struct omap_iommu *obj, char *buf, ssize_t len); }; +/** + * struct 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; |