diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap5')
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/config.mk | 6 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/fdt.c | 184 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/hw_data.c | 56 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/prcm-regs.c | 1 |
5 files changed, 225 insertions, 23 deletions
diff --git a/arch/arm/cpu/armv7/omap5/Makefile b/arch/arm/cpu/armv7/omap5/Makefile index f2930d521c..3caba86791 100644 --- a/arch/arm/cpu/armv7/omap5/Makefile +++ b/arch/arm/cpu/armv7/omap5/Makefile @@ -12,4 +12,5 @@ obj-y += sdram.o obj-y += prcm-regs.o obj-y += hw_data.o obj-y += abb.o +obj-y += fdt.o obj-$(CONFIG_IODELAY_RECALIBRATION) += dra7xx_iodelay.o diff --git a/arch/arm/cpu/armv7/omap5/config.mk b/arch/arm/cpu/armv7/omap5/config.mk index ef2725affa..a7e55a5e24 100644 --- a/arch/arm/cpu/armv7/omap5/config.mk +++ b/arch/arm/cpu/armv7/omap5/config.mk @@ -6,8 +6,14 @@ # SPDX-License-Identifier: GPL-2.0+ # +include $(srctree)/$(CPUDIR)/omap-common/config_secure.mk + ifdef CONFIG_SPL_BUILD +ifeq ($(CONFIG_TI_SECURE_DEVICE),y) +ALL-y += u-boot-spl_HS_MLO u-boot-spl_HS_X-LOADER +else ALL-y += MLO +endif else ALL-y += u-boot.img endif diff --git a/arch/arm/cpu/armv7/omap5/fdt.c b/arch/arm/cpu/armv7/omap5/fdt.c new file mode 100644 index 0000000000..0493cd1eab --- /dev/null +++ b/arch/arm/cpu/armv7/omap5/fdt.c @@ -0,0 +1,184 @@ +/* + * Copyright 2016 Texas Instruments, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <malloc.h> + +#include <asm/omap_common.h> +#include <asm/arch-omap5/sys_proto.h> + +#ifdef CONFIG_TI_SECURE_DEVICE + +/* Give zero values if not already defined */ +#ifndef TI_OMAP5_SECURE_BOOT_RESV_SRAM_SZ +#define TI_OMAP5_SECURE_BOOT_RESV_SRAM_SZ (0) +#endif +#ifndef CONFIG_SECURE_RUNTIME_RESV_SRAM_SZ +#define CONFIG_SECURE_RUNTIME_RESV_SRAM_SZ (0) +#endif + +static u32 hs_irq_skip[] = { + 8, /* Secure violation reporting interrupt */ + 15, /* One interrupt for SDMA by secure world */ + 118 /* One interrupt for Crypto DMA by secure world */ +}; + +static int ft_hs_fixup_crossbar(void *fdt, bd_t *bd) +{ + const char *path; + int offs; + int ret; + int len, i, old_cnt, new_cnt; + u32 *temp; + const u32 *p_data; + + /* + * Increase the size of the fdt + * so we have some breathing room + */ + ret = fdt_increase_size(fdt, 512); + if (ret < 0) { + printf("Could not increase size of device tree: %s\n", + fdt_strerror(ret)); + return ret; + } + + /* Reserve IRQs that are used/needed by secure world */ + path = "/ocp/crossbar"; + offs = fdt_path_offset(fdt, path); + if (offs < 0) { + debug("Node %s not found.\n", path); + return 0; + } + + /* Get current entries */ + p_data = fdt_getprop(fdt, offs, "ti,irqs-skip", &len); + if (p_data) + old_cnt = len / sizeof(u32); + else + old_cnt = 0; + + new_cnt = sizeof(hs_irq_skip) / + sizeof(hs_irq_skip[0]); + + /* Create new/updated skip list for HS parts */ + temp = malloc(sizeof(u32) * (old_cnt + new_cnt)); + for (i = 0; i < new_cnt; i++) + temp[i] = cpu_to_fdt32(hs_irq_skip[i]); + for (i = 0; i < old_cnt; i++) + temp[i + new_cnt] = p_data[i]; + + /* Blow away old data and set new data */ + fdt_delprop(fdt, offs, "ti,irqs-skip"); + ret = fdt_setprop(fdt, offs, "ti,irqs-skip", + temp, + (old_cnt + new_cnt) * sizeof(u32)); + free(temp); + + /* Check if the update worked */ + if (ret < 0) { + printf("Could not add ti,irqs-skip property to node %s: %s\n", + path, fdt_strerror(ret)); + return ret; + } + + return 0; +} + +static int ft_hs_disable_rng(void *fdt, bd_t *bd) +{ + const char *path; + int offs; + int ret; + + /* Make HW RNG reserved for secure world use */ + path = "/ocp/rng"; + offs = fdt_path_offset(fdt, path); + if (offs < 0) { + debug("Node %s not found.\n", path); + return 0; + } + ret = fdt_setprop_string(fdt, offs, + "status", "disabled"); + if (ret < 0) { + printf("Could not add status property to node %s: %s\n", + path, fdt_strerror(ret)); + return ret; + } + return 0; +} + +#if ((TI_OMAP5_SECURE_BOOT_RESV_SRAM_SZ != 0) || \ + (CONFIG_SECURE_RUNTIME_RESV_SRAM_SZ != 0)) +static int ft_hs_fixup_sram(void *fdt, bd_t *bd) +{ + const char *path; + int offs; + int ret; + u32 temp[2]; + + /* + * Update SRAM reservations on secure devices. The OCMC RAM + * is always reserved for secure use from the start of that + * memory region + */ + path = "/ocp/ocmcram@40300000/sram-hs"; + offs = fdt_path_offset(fdt, path); + if (offs < 0) { + debug("Node %s not found.\n", path); + return 0; + } + + /* relative start offset */ + temp[0] = cpu_to_fdt32(0); + /* reservation size */ + temp[1] = cpu_to_fdt32(max(TI_OMAP5_SECURE_BOOT_RESV_SRAM_SZ, + CONFIG_SECURE_RUNTIME_RESV_SRAM_SZ)); + fdt_delprop(fdt, offs, "reg"); + ret = fdt_setprop(fdt, offs, "reg", temp, 2 * sizeof(u32)); + if (ret < 0) { + printf("Could not add reg property to node %s: %s\n", + path, fdt_strerror(ret)); + return ret; + } + + return 0; +} +#else +static int ft_hs_fixup_sram(void *fdt, bd_t *bd) { return 0; } +#endif + +static void ft_hs_fixups(void *fdt, bd_t *bd) +{ + /* Check we are running on an HS/EMU device type */ + if (GP_DEVICE != get_device_type()) { + if ((ft_hs_fixup_crossbar(fdt, bd) == 0) && + (ft_hs_disable_rng(fdt, bd) == 0) && + (ft_hs_fixup_sram(fdt, bd) == 0)) + return; + } else { + printf("ERROR: Incorrect device type (GP) detected!"); + } + /* Fixup failed or wrong device type */ + hang(); +} +#else +static void ft_hs_fixups(void *fdt, bd_t *bd) +{ +} +#endif + +/* + * Place for general cpu/SoC FDT fixups. Board specific + * fixups should remain in the board files which is where + * this function should be called from. + */ +void ft_cpu_setup(void *fdt, bd_t *bd) +{ + ft_hs_fixups(fdt, bd); +} diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index 88e8920bad..5b91446a8d 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -365,35 +365,35 @@ struct vcores_data omap5430_volts_es2 = { }; struct vcores_data dra752_volts = { - .mpu.value = VDD_MPU_DRA752, - .mpu.efuse.reg = STD_FUSE_OPP_VMIN_MPU_NOM, + .mpu.value = VDD_MPU_DRA7, + .mpu.efuse.reg = STD_FUSE_OPP_VMIN_MPU, .mpu.efuse.reg_bits = DRA752_EFUSE_REGBITS, .mpu.addr = TPS659038_REG_ADDR_SMPS12, .mpu.pmic = &tps659038, .mpu.abb_tx_done_mask = OMAP_ABB_MPU_TXDONE_MASK, - .eve.value = VDD_EVE_DRA752, - .eve.efuse.reg = STD_FUSE_OPP_VMIN_DSPEVE_NOM, + .eve.value = VDD_EVE_DRA7, + .eve.efuse.reg = STD_FUSE_OPP_VMIN_DSPEVE, .eve.efuse.reg_bits = DRA752_EFUSE_REGBITS, .eve.addr = TPS659038_REG_ADDR_SMPS45, .eve.pmic = &tps659038, .eve.abb_tx_done_mask = OMAP_ABB_EVE_TXDONE_MASK, - .gpu.value = VDD_GPU_DRA752, - .gpu.efuse.reg = STD_FUSE_OPP_VMIN_GPU_NOM, + .gpu.value = VDD_GPU_DRA7, + .gpu.efuse.reg = STD_FUSE_OPP_VMIN_GPU, .gpu.efuse.reg_bits = DRA752_EFUSE_REGBITS, .gpu.addr = TPS659038_REG_ADDR_SMPS6, .gpu.pmic = &tps659038, .gpu.abb_tx_done_mask = OMAP_ABB_GPU_TXDONE_MASK, - .core.value = VDD_CORE_DRA752, - .core.efuse.reg = STD_FUSE_OPP_VMIN_CORE_NOM, + .core.value = VDD_CORE_DRA7, + .core.efuse.reg = STD_FUSE_OPP_VMIN_CORE, .core.efuse.reg_bits = DRA752_EFUSE_REGBITS, .core.addr = TPS659038_REG_ADDR_SMPS7, .core.pmic = &tps659038, - .iva.value = VDD_IVA_DRA752, - .iva.efuse.reg = STD_FUSE_OPP_VMIN_IVA_NOM, + .iva.value = VDD_IVA_DRA7, + .iva.efuse.reg = STD_FUSE_OPP_VMIN_IVA, .iva.efuse.reg_bits = DRA752_EFUSE_REGBITS, .iva.addr = TPS659038_REG_ADDR_SMPS8, .iva.pmic = &tps659038, @@ -401,15 +401,15 @@ struct vcores_data dra752_volts = { }; struct vcores_data dra722_volts = { - .mpu.value = VDD_MPU_DRA72x, - .mpu.efuse.reg = STD_FUSE_OPP_VMIN_MPU_NOM, + .mpu.value = VDD_MPU_DRA7, + .mpu.efuse.reg = STD_FUSE_OPP_VMIN_MPU, .mpu.efuse.reg_bits = DRA752_EFUSE_REGBITS, .mpu.addr = TPS65917_REG_ADDR_SMPS1, .mpu.pmic = &tps659038, .mpu.abb_tx_done_mask = OMAP_ABB_MPU_TXDONE_MASK, - .core.value = VDD_CORE_DRA72x, - .core.efuse.reg = STD_FUSE_OPP_VMIN_CORE_NOM, + .core.value = VDD_CORE_DRA7, + .core.efuse.reg = STD_FUSE_OPP_VMIN_CORE, .core.efuse.reg_bits = DRA752_EFUSE_REGBITS, .core.addr = TPS65917_REG_ADDR_SMPS2, .core.pmic = &tps659038, @@ -418,22 +418,22 @@ struct vcores_data dra722_volts = { * The DSPEVE, GPU and IVA rails are usually grouped on DRA72x * designs and powered by TPS65917 SMPS3, as on the J6Eco EVM. */ - .gpu.value = VDD_GPU_DRA72x, - .gpu.efuse.reg = STD_FUSE_OPP_VMIN_GPU_NOM, + .gpu.value = VDD_GPU_DRA7, + .gpu.efuse.reg = STD_FUSE_OPP_VMIN_GPU, .gpu.efuse.reg_bits = DRA752_EFUSE_REGBITS, .gpu.addr = TPS65917_REG_ADDR_SMPS3, .gpu.pmic = &tps659038, .gpu.abb_tx_done_mask = OMAP_ABB_GPU_TXDONE_MASK, - .eve.value = VDD_EVE_DRA72x, - .eve.efuse.reg = STD_FUSE_OPP_VMIN_DSPEVE_NOM, + .eve.value = VDD_EVE_DRA7, + .eve.efuse.reg = STD_FUSE_OPP_VMIN_DSPEVE, .eve.efuse.reg_bits = DRA752_EFUSE_REGBITS, .eve.addr = TPS65917_REG_ADDR_SMPS3, .eve.pmic = &tps659038, .eve.abb_tx_done_mask = OMAP_ABB_EVE_TXDONE_MASK, - .iva.value = VDD_IVA_DRA72x, - .iva.efuse.reg = STD_FUSE_OPP_VMIN_IVA_NOM, + .iva.value = VDD_IVA_DRA7, + .iva.efuse.reg = STD_FUSE_OPP_VMIN_IVA, .iva.efuse.reg_bits = DRA752_EFUSE_REGBITS, .iva.addr = TPS65917_REG_ADDR_SMPS3, .iva.pmic = &tps659038, @@ -602,7 +602,7 @@ void disable_edma3_clocks(void) } #endif -#ifdef CONFIG_USB_DWC3 +#if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP) void enable_usb_clocks(int index) { u32 cm_l3init_usb_otg_ss_clkctrl = 0; @@ -614,9 +614,14 @@ void enable_usb_clocks(int index) setbits_le32((*prcm)->cm_l3init_usb_otg_ss1_clkctrl, OPTFCLKEN_REFCLK960M); - /* Enable 32 KHz clock for dwc3 */ + /* Enable 32 KHz clock for USB_PHY1 */ setbits_le32((*prcm)->cm_coreaon_usb_phy1_core_clkctrl, USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K); + + /* Enable 32 KHz clock for USB_PHY3 */ + if (is_dra7xx()) + setbits_le32((*prcm)->cm_coreaon_usb_phy3_core_clkctrl, + USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K); } else if (index == 1) { cm_l3init_usb_otg_ss_clkctrl = (*prcm)->cm_l3init_usb_otg_ss2_clkctrl; @@ -664,9 +669,14 @@ void disable_usb_clocks(int index) clrbits_le32((*prcm)->cm_l3init_usb_otg_ss1_clkctrl, OPTFCLKEN_REFCLK960M); - /* Disable 32 KHz clock for dwc3 */ + /* Disable 32 KHz clock for USB_PHY1 */ clrbits_le32((*prcm)->cm_coreaon_usb_phy1_core_clkctrl, USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K); + + /* Disable 32 KHz clock for USB_PHY3 */ + if (is_dra7xx()) + clrbits_le32((*prcm)->cm_coreaon_usb_phy3_core_clkctrl, + USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K); } else if (index == 1) { cm_l3init_usb_otg_ss_clkctrl = (*prcm)->cm_l3init_usb_otg_ss2_clkctrl; diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c index 655e92ba27..b5f1d700fd 100644 --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c @@ -820,6 +820,7 @@ struct prcm_regs const dra7xx_prcm = { .cm_clkmode_dpll_gmac = 0x4a0052a8, .cm_coreaon_usb_phy1_core_clkctrl = 0x4a008640, .cm_coreaon_usb_phy2_core_clkctrl = 0x4a008688, + .cm_coreaon_usb_phy3_core_clkctrl = 0x4a008698, .cm_coreaon_l3init_60m_gfclk_clkctrl = 0x4a0086c0, /* cm1.mpu */ |
