--- zzzz-none-000/linux-3.10.107/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c 2021-02-04 17:41:59.000000000 +0000 @@ -18,6 +18,7 @@ #include #include #include +#include #include #include "l3_3xxx.h" @@ -27,17 +28,13 @@ #include #include -#include "am35xx.h" - #include "soc.h" #include "omap_hwmod.h" #include "omap_hwmod_common_data.h" #include "prm-regbits-34xx.h" #include "cm-regbits-34xx.h" -#include "dma.h" #include "i2c.h" -#include "mmc.h" #include "wd_timer.h" #include "serial.h" @@ -50,6 +47,8 @@ * elsewhere. */ +#define AM35XX_IPSS_USBOTGSS_BASE 0x5C040000 + /* * IP blocks */ @@ -490,7 +489,7 @@ .mpu_irqs = omap2_uart1_mpu_irqs, .sdma_reqs = omap2_uart1_sdma_reqs, .main_clk = "uart1_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_TI81XXUART1_FLAGS | HWMOD_SWSUP_SIDLE, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -509,7 +508,7 @@ .mpu_irqs = omap2_uart2_mpu_irqs, .sdma_reqs = omap2_uart2_sdma_reqs, .main_clk = "uart2_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_TI81XXUART2_FLAGS | HWMOD_SWSUP_SIDLE, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -528,7 +527,8 @@ .mpu_irqs = omap2_uart3_mpu_irqs, .sdma_reqs = omap2_uart3_sdma_reqs, .main_clk = "uart3_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_OMAP3UART3_FLAGS | DEBUG_TI81XXUART3_FLAGS | + HWMOD_SWSUP_SIDLE, .prcm = { .omap2 = { .module_offs = OMAP3430_PER_MOD, @@ -548,8 +548,8 @@ }; static struct omap_hwmod_dma_info uart4_sdma_reqs[] = { - { .name = "rx", .dma_req = OMAP36XX_DMA_UART4_RX, }, - { .name = "tx", .dma_req = OMAP36XX_DMA_UART4_TX, }, + { .name = "rx", .dma_req = 82, }, + { .name = "tx", .dma_req = 81, }, { .dma_req = -1 } }; @@ -558,7 +558,7 @@ .mpu_irqs = uart4_mpu_irqs, .sdma_reqs = uart4_sdma_reqs, .main_clk = "uart4_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_OMAP3UART4_FLAGS | HWMOD_SWSUP_SIDLE, .prcm = { .omap2 = { .module_offs = OMAP3430_PER_MOD, @@ -577,8 +577,8 @@ }; static struct omap_hwmod_dma_info am35xx_uart4_sdma_reqs[] = { - { .name = "rx", .dma_req = AM35XX_DMA_UART4_RX, }, - { .name = "tx", .dma_req = AM35XX_DMA_UART4_TX, }, + { .name = "rx", .dma_req = 55, }, + { .name = "tx", .dma_req = 54, }, { .dma_req = -1 } }; @@ -723,8 +723,20 @@ * display serial interface controller */ +static struct omap_hwmod_class_sysconfig omap3xxx_dsi_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + static struct omap_hwmod_class omap3xxx_dsi_hwmod_class = { .name = "dsi", + .sysc = &omap3xxx_dsi_sysc, }; static struct omap_hwmod_irq_info omap3xxx_dsi1_irqs[] = { @@ -857,8 +869,8 @@ }; static struct omap_hwmod_dma_info i2c3_sdma_reqs[] = { - { .name = "tx", .dma_req = OMAP34XX_DMA_I2C3_TX }, - { .name = "rx", .dma_req = OMAP34XX_DMA_I2C3_RX }, + { .name = "tx", .dma_req = 25 }, + { .name = "rx", .dma_req = 26 }, { .dma_req = -1 } }; @@ -1505,15 +1517,9 @@ .sysc = &omap3xxx_mailbox_sysc, }; -static struct omap_hwmod_irq_info omap3xxx_mailbox_irqs[] = { - { .irq = 26 + OMAP_INTC_START, }, - { .irq = -1 }, -}; - static struct omap_hwmod omap3xxx_mailbox_hwmod = { .name = "mailbox", .class = &omap3xxx_mailbox_hwmod_class, - .mpu_irqs = omap3xxx_mailbox_irqs, .main_clk = "mailboxes_ick", .prcm = { .omap2 = { @@ -1717,8 +1723,8 @@ * Note that musb has OTG_FORCESTDBY register that controls MSTANDBY * signal when MIDLEMODE is set to force-idle. */ - .flags = HWMOD_NO_OCP_AUTOIDLE | HWMOD_SWSUP_SIDLE - | HWMOD_FORCE_MSTANDBY, + .flags = HWMOD_NO_OCP_AUTOIDLE | HWMOD_SWSUP_SIDLE | + HWMOD_FORCE_MSTANDBY | HWMOD_RECONFIG_IO_CHAIN, }; /* usb_otg_hs */ @@ -1773,12 +1779,12 @@ { .role = "dbck", .clk = "omap_32k_fck", }, }; -static struct omap_mmc_dev_attr mmc1_dev_attr = { +static struct omap_hsmmc_dev_attr mmc1_dev_attr = { .flags = OMAP_HSMMC_SUPPORTS_DUAL_VOLT, }; /* See 35xx errata 2.1.1.128 in SPRZ278F */ -static struct omap_mmc_dev_attr mmc1_pre_es3_dev_attr = { +static struct omap_hsmmc_dev_attr mmc1_pre_es3_dev_attr = { .flags = (OMAP_HSMMC_SUPPORTS_DUAL_VOLT | OMAP_HSMMC_BROKEN_MULTIBLOCK_READ), }; @@ -1841,7 +1847,7 @@ }; /* See 35xx errata 2.1.1.128 in SPRZ278F */ -static struct omap_mmc_dev_attr mmc2_pre_es3_dev_attr = { +static struct omap_hsmmc_dev_attr mmc2_pre_es3_dev_attr = { .flags = OMAP_HSMMC_BROKEN_MULTIBLOCK_READ, }; @@ -1942,10 +1948,6 @@ .sysc = &omap3xxx_usb_host_hs_sysc, }; -static struct omap_hwmod_opt_clk omap3xxx_usb_host_hs_opt_clks[] = { - { .role = "ehci_logic_fck", .clk = "usbhost_120m_fck", }, -}; - static struct omap_hwmod_irq_info omap3xxx_usb_host_hs_irqs[] = { { .name = "ohci-irq", .irq = 76 + OMAP_INTC_START, }, { .name = "ehci-irq", .irq = 77 + OMAP_INTC_START, }, @@ -1968,8 +1970,6 @@ .idlest_stdby_bit = OMAP3430ES2_ST_USBHOST_STDBY_SHIFT, }, }, - .opt_clks = omap3xxx_usb_host_hs_opt_clks, - .opt_clks_cnt = ARRAY_SIZE(omap3xxx_usb_host_hs_opt_clks), /* * Errata: USBHOST Configured In Smart-Idle Can Lead To a Deadlock @@ -2162,16 +2162,8 @@ .clkdm_name = "core_l3_clkdm", .mpu_irqs = omap3xxx_gpmc_irqs, .main_clk = "gpmc_fck", - /* - * XXX HWMOD_INIT_NO_RESET should not be needed for this IP - * block. It is not being added due to any known bugs with - * resetting the GPMC IP block, but rather because any timings - * set by the bootloader are not being correctly programmed by - * the kernel from the board file or DT data. - * HWMOD_INIT_NO_RESET should be removed ASAP. - */ - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET | - HWMOD_NO_IDLEST), + /* Skip reset for CONFIG_OMAP_GPMC_DEBUG for bootloader timings */ + .flags = HWMOD_NO_IDLEST | DEBUG_OMAP_GPMC_HWMOD_FLAGS, }; /* @@ -2979,8 +2971,6 @@ /* mmu isp */ static struct omap_mmu_dev_attr mmu_isp_dev_attr = { - .da_start = 0x0, - .da_end = 0xfffff000, .nr_tlb_entries = 8, }; @@ -3016,13 +3006,9 @@ .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, }; @@ -3057,20 +3043,22 @@ .name = "mmu_iva", .class = &omap3xxx_mmu_hwmod_class, .mpu_irqs = omap3xxx_mmu_iva_irqs, + .clkdm_name = "iva2_clkdm", .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, + .module_bit = OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430_ST_IVA2_SHIFT, }, }, .dev_attr = &mmu_iva_dev_attr, .flags = HWMOD_NO_IDLEST, }; -#endif - /* l4_per -> gpio4 */ static struct omap_hwmod_addr_space omap3xxx_gpio4_addrs[] = { { @@ -3281,20 +3269,10 @@ .user = OCP_USER_MPU, }; -static struct omap_hwmod_addr_space omap3xxx_mailbox_addrs[] = { - { - .pa_start = 0x48094000, - .pa_end = 0x480941ff, - .flags = ADDR_TYPE_RT, - }, - { } -}; - /* l4_core -> mailbox */ static struct omap_hwmod_ocp_if omap3xxx_l4_core__mailbox = { .master = &omap3xxx_l4_core_hwmod, .slave = &omap3xxx_mailbox_hwmod, - .addr = omap3xxx_mailbox_addrs, .user = OCP_USER_MPU | OCP_USER_SDMA, }; @@ -3456,15 +3434,6 @@ .user = OCP_USER_MPU, }; -static struct omap_hwmod_addr_space am35xx_mdio_addrs[] = { - { - .pa_start = AM35XX_IPSS_MDIO_BASE, - .pa_end = AM35XX_IPSS_MDIO_BASE + SZ_4K - 1, - .flags = ADDR_TYPE_RT, - }, - { } -}; - /* l4_core -> davinci mdio */ /* * XXX Should be connected to an IPSS hwmod, not the L4_CORE directly; @@ -3475,25 +3444,15 @@ .master = &omap3xxx_l4_core_hwmod, .slave = &am35xx_mdio_hwmod, .clk = "emac_fck", - .addr = am35xx_mdio_addrs, .user = OCP_USER_MPU, }; -static struct omap_hwmod_irq_info am35xx_emac_mpu_irqs[] = { - { .name = "rxthresh", .irq = 67 + OMAP_INTC_START, }, - { .name = "rx_pulse", .irq = 68 + OMAP_INTC_START, }, - { .name = "tx_pulse", .irq = 69 + OMAP_INTC_START }, - { .name = "misc_pulse", .irq = 70 + OMAP_INTC_START }, - { .irq = -1 }, -}; - static struct omap_hwmod_class am35xx_emac_class = { .name = "davinci_emac", }; static struct omap_hwmod am35xx_emac_hwmod = { .name = "davinci_emac", - .mpu_irqs = am35xx_emac_mpu_irqs, .class = &am35xx_emac_class, /* * According to Mark Greer, the MPU will not return from WFI @@ -3516,15 +3475,6 @@ .user = OCP_USER_MPU, }; -static struct omap_hwmod_addr_space am35xx_emac_addrs[] = { - { - .pa_start = AM35XX_IPSS_EMAC_BASE, - .pa_end = AM35XX_IPSS_EMAC_BASE + 0x30000 - 1, - .flags = ADDR_TYPE_RT, - }, - { } -}; - /* l4_core -> davinci emac */ /* * XXX Should be connected to an IPSS hwmod, not the L4_CORE directly; @@ -3535,7 +3485,6 @@ .master = &omap3xxx_l4_core_hwmod, .slave = &am35xx_emac_hwmod, .clk = "emac_ick", - .addr = am35xx_emac_addrs, .user = OCP_USER_MPU, }; @@ -3574,7 +3523,7 @@ }; static struct omap_hwmod_dma_info omap3_sham_sdma_reqs[] = { - { .name = "rx", .dma_req = OMAP34XX_DMA_SHA1MD5_RX, }, + { .name = "rx", .dma_req = 69, }, { .dma_req = -1 } }; @@ -3635,8 +3584,8 @@ }; static struct omap_hwmod_dma_info omap3_aes_sdma_reqs[] = { - { .name = "tx", .dma_req = OMAP34XX_DMA_AES2_TX, }, - { .name = "rx", .dma_req = OMAP34XX_DMA_AES2_RX, }, + { .name = "tx", .dma_req = 65, }, + { .name = "rx", .dma_req = 66, }, { .dma_req = -1 } }; @@ -3673,6 +3622,50 @@ .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* + * 'ssi' class + * synchronous serial interface (multichannel and full-duplex serial if) + */ + +static struct omap_hwmod_class_sysconfig omap34xx_ssi_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_MIDLEMODE | + SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap34xx_ssi_hwmod_class = { + .name = "ssi", + .sysc = &omap34xx_ssi_sysc, +}; + +static struct omap_hwmod omap34xx_ssi_hwmod = { + .name = "ssi", + .class = &omap34xx_ssi_hwmod_class, + .clkdm_name = "core_l4_clkdm", + .main_clk = "ssi_ssr_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP3430_EN_SSI_SHIFT, + .module_offs = CORE_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430ES2_ST_SSI_IDLE_SHIFT, + }, + }, +}; + +/* L4 CORE -> SSI */ +static struct omap_hwmod_ocp_if omap34xx_l4_core__ssi = { + .master = &omap3xxx_l4_core_hwmod, + .slave = &omap34xx_ssi_hwmod, + .clk = "ssi_ick", + .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, @@ -3726,29 +3719,54 @@ /* GP-only hwmod links */ static struct omap_hwmod_ocp_if *omap34xx_gp_hwmod_ocp_ifs[] __initdata = { &omap3xxx_l4_sec__timer12, - &omap3xxx_l4_core__sham, - &omap3xxx_l4_core__aes, NULL }; static struct omap_hwmod_ocp_if *omap36xx_gp_hwmod_ocp_ifs[] __initdata = { &omap3xxx_l4_sec__timer12, - &omap3xxx_l4_core__sham, - &omap3xxx_l4_core__aes, NULL }; static struct omap_hwmod_ocp_if *am35xx_gp_hwmod_ocp_ifs[] __initdata = { &omap3xxx_l4_sec__timer12, - /* - * Apparently the SHA/MD5 and AES accelerator IP blocks are - * only present on some AM35xx chips, and no one knows which - * ones. See - * http://www.spinics.net/lists/arm-kernel/msg215466.html So - * if you need these IP blocks on an AM35xx, try uncommenting - * the following lines. - */ + NULL +}; + +/* crypto hwmod links */ +static struct omap_hwmod_ocp_if *omap34xx_sham_hwmod_ocp_ifs[] __initdata = { + &omap3xxx_l4_core__sham, + NULL +}; + +static struct omap_hwmod_ocp_if *omap34xx_aes_hwmod_ocp_ifs[] __initdata = { + &omap3xxx_l4_core__aes, + NULL +}; + +static struct omap_hwmod_ocp_if *omap36xx_sham_hwmod_ocp_ifs[] __initdata = { + &omap3xxx_l4_core__sham, + NULL +}; + +static struct omap_hwmod_ocp_if *omap36xx_aes_hwmod_ocp_ifs[] __initdata = { + &omap3xxx_l4_core__aes, + NULL +}; + +/* + * Apparently the SHA/MD5 and AES accelerator IP blocks are + * only present on some AM35xx chips, and no one knows which + * ones. See + * http://www.spinics.net/lists/arm-kernel/msg215466.html So + * if you need these IP blocks on an AM35xx, try uncommenting + * the following lines. + */ +static struct omap_hwmod_ocp_if *am35xx_sham_hwmod_ocp_ifs[] __initdata = { /* &omap3xxx_l4_core__sham, */ + NULL +}; + +static struct omap_hwmod_ocp_if *am35xx_aes_hwmod_ocp_ifs[] __initdata = { /* &omap3xxx_l4_core__aes, */ NULL }; @@ -3795,9 +3813,8 @@ &omap3xxx_l4_core__hdq1w, &omap3xxx_sad2d__l3, &omap3xxx_l4_core__mmu_isp, -#ifdef CONFIG_OMAP_IOMMU_IVA2 &omap3xxx_l3_main__mmu_iva, -#endif + &omap34xx_l4_core__ssi, NULL }; @@ -3820,9 +3837,7 @@ &omap3xxx_l4_core__hdq1w, &omap3xxx_sad2d__l3, &omap3xxx_l4_core__mmu_isp, -#ifdef CONFIG_OMAP_IOMMU_IVA2 &omap3xxx_l3_main__mmu_iva, -#endif NULL }; @@ -3853,10 +3868,41 @@ NULL }; +/** + * omap3xxx_hwmod_is_hs_ip_block_usable - is a security IP block accessible? + * @bus: struct device_node * for the top-level OMAP DT data + * @dev_name: device name used in the DT file + * + * Determine whether a "secure" IP block @dev_name is usable by Linux. + * There doesn't appear to be a 100% reliable way to determine this, + * so we rely on heuristics. If @bus is null, meaning there's no DT + * data, then we only assume the IP block is accessible if the OMAP is + * fused as a 'general-purpose' SoC. If however DT data is present, + * test to see if the IP block is described in the DT data and set to + * 'status = "okay"'. If so then we assume the ODM has configured the + * OMAP firewalls to allow access to the IP block. + * + * Return: 0 if device named @dev_name is not likely to be accessible, + * or 1 if it is likely to be accessible. + */ +static int __init omap3xxx_hwmod_is_hs_ip_block_usable(struct device_node *bus, + const char *dev_name) +{ + if (!bus) + return (omap_type() == OMAP2_DEVICE_TYPE_GP) ? 1 : 0; + + if (of_device_is_available(of_find_node_by_name(bus, dev_name))) + return 1; + + return 0; +} + int __init omap3xxx_hwmod_init(void) { int r; - struct omap_hwmod_ocp_if **h = NULL, **h_gp = NULL; + struct omap_hwmod_ocp_if **h = NULL, **h_gp = NULL, **h_sham = NULL; + struct omap_hwmod_ocp_if **h_aes = NULL; + struct device_node *bus = NULL; unsigned int rev; omap_hwmod_init(); @@ -3878,13 +3924,19 @@ rev == OMAP3430_REV_ES3_1 || rev == OMAP3430_REV_ES3_1_2) { h = omap34xx_hwmod_ocp_ifs; h_gp = omap34xx_gp_hwmod_ocp_ifs; + h_sham = omap34xx_sham_hwmod_ocp_ifs; + h_aes = omap34xx_aes_hwmod_ocp_ifs; } else if (rev == AM35XX_REV_ES1_0 || rev == AM35XX_REV_ES1_1) { h = am35xx_hwmod_ocp_ifs; h_gp = am35xx_gp_hwmod_ocp_ifs; + h_sham = am35xx_sham_hwmod_ocp_ifs; + h_aes = am35xx_aes_hwmod_ocp_ifs; } else if (rev == OMAP3630_REV_ES1_0 || rev == OMAP3630_REV_ES1_1 || rev == OMAP3630_REV_ES1_2) { h = omap36xx_hwmod_ocp_ifs; h_gp = omap36xx_gp_hwmod_ocp_ifs; + h_sham = omap36xx_sham_hwmod_ocp_ifs; + h_aes = omap36xx_aes_hwmod_ocp_ifs; } else { WARN(1, "OMAP3 hwmod family init: unknown chip type\n"); return -EINVAL; @@ -3901,6 +3953,25 @@ return r; } + /* + * Register crypto hwmod links only if they are not disabled in DT. + * If DT information is missing, enable them only for GP devices. + */ + + if (of_have_populated_dt()) + bus = of_find_node_by_name(NULL, "ocp"); + + if (h_sham && omap3xxx_hwmod_is_hs_ip_block_usable(bus, "sham")) { + r = omap_hwmod_register_links(h_sham); + if (r < 0) + return r; + } + + if (h_aes && omap3xxx_hwmod_is_hs_ip_block_usable(bus, "aes")) { + r = omap_hwmod_register_links(h_aes); + if (r < 0) + return r; + } /* * Register hwmod links specific to certain ES levels of a