diff options
author | Tom Rini <trini@konsulko.com> | 2016-02-21 07:56:16 -0500 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2016-02-21 07:56:16 -0500 |
commit | 595af9db2422fa5ae734cfe615415b17a5098f34 (patch) | |
tree | 21a9287dd2998798c2dbb1613eefc7d5f5a58159 /arch/arm | |
parent | 03bfc78359a2d749252b7dfdbff33898f6da0385 (diff) | |
parent | 35c4ce5e20d3d10d1089ba336a248896faed284c (diff) |
Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 74 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx7/clock.c | 6 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/mx7/soc.c | 100 | ||||
-rw-r--r-- | arch/arm/imx-common/Kconfig | 14 | ||||
-rw-r--r-- | arch/arm/imx-common/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/imx-common/imx_bootaux.c | 72 | ||||
-rw-r--r-- | arch/arm/imx-common/rdc-sema.c | 183 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-mx6/imx-rdc.h | 16 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-mx6/imx-regs.h | 29 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-mx6/mx6sx_rdc.h | 155 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-mx7/imx-rdc.h | 16 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-mx7/imx-regs.h | 11 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-mx7/mx7d_rdc.h | 163 | ||||
-rw-r--r-- | arch/arm/include/asm/imx-common/rdc-sema.h | 100 |
14 files changed, 938 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 8aeeaecfd2..a34675c795 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -21,6 +21,7 @@ #include <asm/arch/crm_regs.h> #include <dm.h> #include <imx_thermal.h> +#include <mmc.h> enum ldo_reg { LDO_ARM, @@ -355,7 +356,7 @@ __weak int board_mmc_get_env_dev(int devno) return CONFIG_SYS_MMC_ENV_DEV; } -int mmc_get_env_dev(void) +static int mmc_get_boot_dev(void) { struct src *src_regs = (struct src *)SRC_BASE_ADDR; u32 soc_sbmr = readl(&src_regs->sbmr1); @@ -370,15 +371,44 @@ int mmc_get_env_dev(void) */ bootsel = (soc_sbmr & 0x000000FF) >> 6; - /* If not boot from sd/mmc, use default value */ + /* No boot from sd/mmc */ if (bootsel != 1) - return CONFIG_SYS_MMC_ENV_DEV; + return -1; /* BOOT_CFG2[3] and BOOT_CFG2[4] */ devno = (soc_sbmr & 0x00001800) >> 11; + return devno; +} + +int mmc_get_env_dev(void) +{ + int devno = mmc_get_boot_dev(); + + /* If not boot from sd/mmc, use default value */ + if (devno < 0) + return CONFIG_SYS_MMC_ENV_DEV; + return board_mmc_get_env_dev(devno); } + +#ifdef CONFIG_SYS_MMC_ENV_PART +__weak int board_mmc_get_env_part(int devno) +{ + return CONFIG_SYS_MMC_ENV_PART; +} + +uint mmc_get_env_part(struct mmc *mmc) +{ + int devno = mmc_get_boot_dev(); + + /* If not boot from sd/mmc, use default value */ + if (devno < 0) + return CONFIG_SYS_MMC_ENV_PART; + + return board_mmc_get_env_part(devno); +} +#endif #endif int board_postclk_init(void) @@ -537,3 +567,41 @@ void imx_setup_hdmi(void) writel(reg, &mxc_ccm->chsccdr); } #endif + +#ifdef CONFIG_IMX_BOOTAUX +int arch_auxiliary_core_up(u32 core_id, u32 boot_private_data) +{ + struct src *src_reg; + u32 stack, pc; + + if (!boot_private_data) + return -EINVAL; + + stack = *(u32 *)boot_private_data; + pc = *(u32 *)(boot_private_data + 4); + + /* Set the stack and pc to M4 bootROM */ + writel(stack, M4_BOOTROM_BASE_ADDR); + writel(pc, M4_BOOTROM_BASE_ADDR + 4); + + /* Enable M4 */ + src_reg = (struct src *)SRC_BASE_ADDR; + clrsetbits_le32(&src_reg->scr, SRC_SCR_M4C_NON_SCLR_RST_MASK, + SRC_SCR_M4_ENABLE_MASK); + + return 0; +} + +int arch_auxiliary_core_check_up(u32 core_id) +{ + struct src *src_reg = (struct src *)SRC_BASE_ADDR; + unsigned val; + + val = readl(&src_reg->scr); + + if (val & SRC_SCR_M4C_NON_SCLR_RST_MASK) + return 0; /* assert in reset */ + + return 1; +} +#endif diff --git a/arch/arm/cpu/armv7/mx7/clock.c b/arch/arm/cpu/armv7/mx7/clock.c index 77db6e8306..4d68ad2615 100644 --- a/arch/arm/cpu/armv7/mx7/clock.c +++ b/arch/arm/cpu/armv7/mx7/clock.c @@ -1067,6 +1067,12 @@ void clock_init(void) #ifdef CONFIG_NAND_MXS clock_enable(CCGR_RAWNAND, 1); #endif + + if (IS_ENABLED(CONFIG_IMX_RDC)) { + clock_enable(CCGR_RDC, 1); + clock_enable(CCGR_SEMA1, 1); + clock_enable(CCGR_SEMA2, 1); + } } #ifdef CONFIG_SECURE_BOOT diff --git a/arch/arm/cpu/armv7/mx7/soc.c b/arch/arm/cpu/armv7/mx7/soc.c index a6ab551a4a..ba6cfb9dce 100644 --- a/arch/arm/cpu/armv7/mx7/soc.c +++ b/arch/arm/cpu/armv7/mx7/soc.c @@ -12,6 +12,8 @@ #include <asm/imx-common/boot_mode.h> #include <asm/imx-common/dma.h> #include <asm/imx-common/hab.h> +#include <asm/imx-common/rdc-sema.h> +#include <asm/arch/imx-rdc.h> #include <asm/arch/crm_regs.h> #include <dm.h> #include <imx_thermal.h> @@ -29,6 +31,65 @@ U_BOOT_DEVICE(imx7_thermal) = { }; #endif +#ifdef CONFIG_IMX_RDC +/* + * In current design, if any peripheral was assigned to both A7 and M4, + * it will receive ipg_stop or ipg_wait when any of the 2 platforms enter + * low power mode. So M4 sleep will cause some peripherals fail to work + * at A7 core side. At default, all resources are in domain 0 - 3. + * + * There are 26 peripherals impacted by this IC issue: + * SIM2(sim2/emvsim2) + * SIM1(sim1/emvsim1) + * UART1/UART2/UART3/UART4/UART5/UART6/UART7 + * SAI1/SAI2/SAI3 + * WDOG1/WDOG2/WDOG3/WDOG4 + * GPT1/GPT2/GPT3/GPT4 + * PWM1/PWM2/PWM3/PWM4 + * ENET1/ENET2 + * Software Workaround: + * Here we setup some resources to domain 0 where M4 codes will move + * the M4 out of this domain. Then M4 is not able to access them any longer. + * This is a workaround for ic issue. So the peripherals are not shared + * by them. This way requires the uboot implemented the RDC driver and + * set the 26 IPs above to domain 0 only. M4 code will assign resource + * to its own domain, if it want to use the resource. + */ +static rdc_peri_cfg_t const resources[] = { + (RDC_PER_SIM1 | RDC_DOMAIN(0)), + (RDC_PER_SIM2 | RDC_DOMAIN(0)), + (RDC_PER_UART1 | RDC_DOMAIN(0)), + (RDC_PER_UART2 | RDC_DOMAIN(0)), + (RDC_PER_UART3 | RDC_DOMAIN(0)), + (RDC_PER_UART4 | RDC_DOMAIN(0)), + (RDC_PER_UART5 | RDC_DOMAIN(0)), + (RDC_PER_UART6 | RDC_DOMAIN(0)), + (RDC_PER_UART7 | RDC_DOMAIN(0)), + (RDC_PER_SAI1 | RDC_DOMAIN(0)), + (RDC_PER_SAI2 | RDC_DOMAIN(0)), + (RDC_PER_SAI3 | RDC_DOMAIN(0)), + (RDC_PER_WDOG1 | RDC_DOMAIN(0)), + (RDC_PER_WDOG2 | RDC_DOMAIN(0)), + (RDC_PER_WDOG3 | RDC_DOMAIN(0)), + (RDC_PER_WDOG4 | RDC_DOMAIN(0)), + (RDC_PER_GPT1 | RDC_DOMAIN(0)), + (RDC_PER_GPT2 | RDC_DOMAIN(0)), + (RDC_PER_GPT3 | RDC_DOMAIN(0)), + (RDC_PER_GPT4 | RDC_DOMAIN(0)), + (RDC_PER_PWM1 | RDC_DOMAIN(0)), + (RDC_PER_PWM2 | RDC_DOMAIN(0)), + (RDC_PER_PWM3 | RDC_DOMAIN(0)), + (RDC_PER_PWM4 | RDC_DOMAIN(0)), + (RDC_PER_ENET1 | RDC_DOMAIN(0)), + (RDC_PER_ENET2 | RDC_DOMAIN(0)), +}; + +static void isolate_resource(void) +{ + imx_rdc_setup_peripherals(resources, ARRAY_SIZE(resources)); +} +#endif + #if defined(CONFIG_SECURE_BOOT) struct imx_sec_config_fuse_t const imx_sec_config_fuse = { .bank = 1, @@ -163,6 +224,9 @@ int arch_cpu_init(void) mxs_dma_init(); #endif + if (IS_ENABLED(CONFIG_IMX_RDC)) + isolate_resource(); + return 0; } @@ -211,6 +275,42 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) } #endif +#ifdef CONFIG_IMX_BOOTAUX +int arch_auxiliary_core_up(u32 core_id, u32 boot_private_data) +{ + u32 stack, pc; + struct src *src_reg = (struct src *)SRC_BASE_ADDR; + + if (!boot_private_data) + return 1; + + stack = *(u32 *)boot_private_data; + pc = *(u32 *)(boot_private_data + 4); + + /* Set the stack and pc to M4 bootROM */ + writel(stack, M4_BOOTROM_BASE_ADDR); + writel(pc, M4_BOOTROM_BASE_ADDR + 4); + + /* Enable M4 */ + clrsetbits_le32(&src_reg->m4rcr, SRC_M4RCR_M4C_NON_SCLR_RST_MASK, + SRC_M4RCR_ENABLE_M4_MASK); + + return 0; +} + +int arch_auxiliary_core_check_up(u32 core_id) +{ + uint32_t val; + struct src *src_reg = (struct src *)SRC_BASE_ADDR; + + val = readl(&src_reg->m4rcr); + if (val & 0x00000001) + return 0; /* assert in reset */ + + return 1; +} +#endif + void set_wdog_reset(struct wdog_regs *wdog) { u32 reg = readw(&wdog->wcr); diff --git a/arch/arm/imx-common/Kconfig b/arch/arm/imx-common/Kconfig index 2296239226..1b7da5ad38 100644 --- a/arch/arm/imx-common/Kconfig +++ b/arch/arm/imx-common/Kconfig @@ -3,3 +3,17 @@ config IMX_CONFIG config ROM_UNIFIED_SECTIONS bool + +config IMX_RDC + bool "i.MX Resource domain controller driver" + depends on ARCH_MX6 || ARCH_MX7 + help + i.MX Resource domain controller is used to assign masters + and peripherals to differet domains. This can be used to + isolate resources. + +config IMX_BOOTAUX + bool "Support boot auxiliary core" + depends on ARCH_MX7 || ARCH_MX6 + help + bootaux [addr] to boot auxiliary core. diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile index e7190c3fbc..30e66ba9a4 100644 --- a/arch/arm/imx-common/Makefile +++ b/arch/arm/imx-common/Makefile @@ -27,6 +27,8 @@ ifeq ($(SOC),$(filter $(SOC),mx6 mx7)) obj-y += cache.o init.o obj-$(CONFIG_CMD_SATA) += sata.o obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o +obj-$(CONFIG_IMX_RDC) += rdc-sema.o +obj-$(CONFIG_IMX_BOOTAUX) += imx_bootaux.o obj-$(CONFIG_SECURE_BOOT) += hab.o endif ifeq ($(SOC),$(filter $(SOC),vf610)) diff --git a/arch/arm/imx-common/imx_bootaux.c b/arch/arm/imx-common/imx_bootaux.c new file mode 100644 index 0000000000..69026df763 --- /dev/null +++ b/arch/arm/imx-common/imx_bootaux.c @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> + +/* Allow for arch specific config before we boot */ +static int __arch_auxiliary_core_up(u32 core_id, u32 boot_private_data) +{ + /* please define platform specific arch_auxiliary_core_up() */ + return CMD_RET_FAILURE; +} + +int arch_auxiliary_core_up(u32 core_id, u32 boot_private_data) + __attribute__((weak, alias("__arch_auxiliary_core_up"))); + +/* Allow for arch specific config before we boot */ +static int __arch_auxiliary_core_check_up(u32 core_id) +{ + /* please define platform specific arch_auxiliary_core_check_up() */ + return 0; +} + +int arch_auxiliary_core_check_up(u32 core_id) + __attribute__((weak, alias("__arch_auxiliary_core_check_up"))); + +/* + * To i.MX6SX and i.MX7D, the image supported by bootaux needs + * the reset vector at the head for the image, with SP and PC + * as the first two words. + * + * Per the cortex-M reference manual, the reset vector of M4 needs + * to exist at 0x0 (TCMUL). The PC and SP are the first two addresses + * of that vector. So to boot M4, the A core must build the M4's reset + * vector with getting the PC and SP from image and filling them to + * TCMUL. When M4 is kicked, it will load the PC and SP by itself. + * The TCMUL is mapped to (M4_BOOTROM_BASE_ADDR) at A core side for + * accessing the M4 TCMUL. + */ +int do_bootaux(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + ulong addr; + int ret, up; + + if (argc < 2) + return CMD_RET_USAGE; + + up = arch_auxiliary_core_check_up(0); + if (up) { + printf("## Auxiliary core is already up\n"); + return CMD_RET_SUCCESS; + } + + addr = simple_strtoul(argv[1], NULL, 16); + + printf("## Starting auxiliary core at 0x%08lX ...\n", addr); + + ret = arch_auxiliary_core_up(0, addr); + if (ret) + return CMD_RET_FAILURE; + + return CMD_RET_SUCCESS; +} + +U_BOOT_CMD( + bootaux, CONFIG_SYS_MAXARGS, 1, do_bootaux, + "Start auxiliary core", + "" +); diff --git a/arch/arm/imx-common/rdc-sema.c b/arch/arm/imx-common/rdc-sema.c new file mode 100644 index 0000000000..dcb5c419ee --- /dev/null +++ b/arch/arm/imx-common/rdc-sema.c @@ -0,0 +1,183 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/imx-common/rdc-sema.h> +#include <asm/arch/imx-rdc.h> +#include <asm-generic/errno.h> + +/* + * Check if the RDC Semaphore is required for this peripheral. + */ +static inline int imx_rdc_check_sema_required(int per_id) +{ + struct rdc_regs *imx_rdc = (struct rdc_regs *)RDC_BASE_ADDR; + u32 reg; + + reg = readl(&imx_rdc->pdap[per_id]); + /* + * No semaphore: + * Intial value or this peripheral is assigned to only one domain + */ + if (!(reg & RDC_PDAP_SREQ_MASK)) + return -ENOENT; + + return 0; +} + +/* + * Check the peripheral read / write access permission on Domain [dom_id]. + */ +int imx_rdc_check_permission(int per_id, int dom_id) +{ + struct rdc_regs *imx_rdc = (struct rdc_regs *)RDC_BASE_ADDR; + u32 reg; + + reg = readl(&imx_rdc->pdap[per_id]); + if (!(reg & RDC_PDAP_DRW_MASK(dom_id))) + return -EACCES; /*No access*/ + + return 0; +} + +/* + * Lock up the RDC semaphore for this peripheral if semaphore is required. + */ +int imx_rdc_sema_lock(int per_id) +{ + struct rdc_sema_regs *imx_rdc_sema; + int ret; + u8 reg; + + ret = imx_rdc_check_sema_required(per_id); + if (ret) + return ret; + + if (per_id < SEMA_GATES_NUM) + imx_rdc_sema = (struct rdc_sema_regs *)SEMAPHORE1_BASE_ADDR; + else + imx_rdc_sema = (struct rdc_sema_regs *)SEMAPHORE2_BASE_ADDR; + + do { + writeb(RDC_SEMA_PROC_ID, + &imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]); + reg = readb(&imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]); + if ((reg & RDC_SEMA_GATE_GTFSM_MASK) == RDC_SEMA_PROC_ID) + break; /* Get the Semaphore*/ + } while (1); + + return 0; +} + +/* + * Unlock the RDC semaphore for this peripheral if main CPU is the + * semaphore owner. + */ +int imx_rdc_sema_unlock(int per_id) +{ + struct rdc_sema_regs *imx_rdc_sema; + int ret; + u8 reg; + + ret = imx_rdc_check_sema_required(per_id); + if (ret) + return ret; + + if (per_id < SEMA_GATES_NUM) + imx_rdc_sema = (struct rdc_sema_regs *)SEMAPHORE1_BASE_ADDR; + else + imx_rdc_sema = (struct rdc_sema_regs *)SEMAPHORE2_BASE_ADDR; + + reg = readb(&imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]); + if ((reg & RDC_SEMA_GATE_GTFSM_MASK) != RDC_SEMA_PROC_ID) + return 1; /*Not the semaphore owner */ + + writeb(0x0, &imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]); + + return 0; +} + +/* + * Setup RDC setting for one peripheral + */ +int imx_rdc_setup_peri(rdc_peri_cfg_t p) +{ + struct rdc_regs *imx_rdc = (struct rdc_regs *)RDC_BASE_ADDR; + u32 reg = 0; + u32 share_count = 0; + u32 peri_id = p & RDC_PERI_MASK; + u32 domain = (p & RDC_DOMAIN_MASK) >> RDC_DOMAIN_SHIFT_BASE; + + /* No domain assigned */ + if (domain == 0) + return -EINVAL; + + reg |= domain; + + share_count = (domain & 0x3) + + ((domain >> 2) & 0x3) + + ((domain >> 4) & 0x3) + + ((domain >> 6) & 0x3); + + if (share_count > 0x3) + reg |= RDC_PDAP_SREQ_MASK; + + writel(reg, &imx_rdc->pdap[peri_id]); + + return 0; +} + +/* + * Setup RDC settings for multiple peripherals + */ +int imx_rdc_setup_peripherals(rdc_peri_cfg_t const *peripherals_list, + unsigned count) +{ + rdc_peri_cfg_t const *p = peripherals_list; + int i, ret; + + for (i = 0; i < count; i++) { + ret = imx_rdc_setup_peri(*p); + if (ret) + return ret; + p++; + } + + return 0; +} + +/* + * Setup RDC setting for one master + */ +int imx_rdc_setup_ma(rdc_ma_cfg_t p) +{ + struct rdc_regs *imx_rdc = (struct rdc_regs *)RDC_BASE_ADDR; + u32 master_id = (p & RDC_MASTER_MASK) >> RDC_MASTER_SHIFT; + u32 domain = (p & RDC_DOMAIN_MASK) >> RDC_DOMAIN_SHIFT_BASE; + + writel((domain & RDC_MDA_DID_MASK), &imx_rdc->mda[master_id]); + + return 0; +} + +/* + * Setup RDC settings for multiple masters + */ +int imx_rdc_setup_masters(rdc_ma_cfg_t const *masters_list, unsigned count) +{ + rdc_ma_cfg_t const *p = masters_list; + int i, ret; + + for (i = 0; i < count; i++) { + ret = imx_rdc_setup_ma(*p); + if (ret) + return ret; + p++; + } + + return 0; +} diff --git a/arch/arm/include/asm/arch-mx6/imx-rdc.h b/arch/arm/include/asm/arch-mx6/imx-rdc.h new file mode 100644 index 0000000000..c4d3bb44b4 --- /dev/null +++ b/arch/arm/include/asm/arch-mx6/imx-rdc.h @@ -0,0 +1,16 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __IMX_RDC_H__ +#define __IMX_RDC_H__ + +#if defined(CONFIG_MX6SX) +#include "mx6sx_rdc.h" +#else +#error "Please select cpu" +#endif /* CONFIG_MX6SX */ + +#endif /* __IMX_RDC_H__*/ diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h index 5c45bf6d6e..f3c26dc6e6 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -356,6 +356,30 @@ extern void imx_get_mac_from_fuse(int dev_id, unsigned char *mac); #define SRC_SCR_CORE_3_ENABLE_OFFSET 24 #define SRC_SCR_CORE_3_ENABLE_MASK (1<<SRC_SCR_CORE_3_ENABLE_OFFSET) +struct rdc_regs { + u32 vir; /* Version information */ + u32 reserved1[8]; + u32 stat; /* Status */ + u32 intctrl; /* Interrupt and Control */ + u32 intstat; /* Interrupt Status */ + u32 reserved2[116]; + u32 mda[32]; /* Master Domain Assignment */ + u32 reserved3[96]; + u32 pdap[104]; /* Peripheral Domain Access Permissions */ + u32 reserved4[88]; + struct { + u32 mrsa; /* Memory Region Start Address */ + u32 mrea; /* Memory Region End Address */ + u32 mrc; /* Memory Region Control */ + u32 mrvs; /* Memory Region Violation Status */ + } mem_region[55]; +}; + +struct rdc_sema_regs { + u8 gate[64]; /* Gate */ + u16 rstgt; /* Reset Gate */ +}; + /* WEIM registers */ struct weim { u32 cs0gcr1; @@ -414,6 +438,11 @@ struct src { u32 gpr10; }; +#define SRC_SCR_M4_ENABLE_OFFSET 22 +#define SRC_SCR_M4_ENABLE_MASK (1 << 22) +#define SRC_SCR_M4C_NON_SCLR_RST_OFFSET 4 +#define SRC_SCR_M4C_NON_SCLR_RST_MASK (1 << 4) + /* GPR1 bitfields */ #define IOMUXC_GPR1_APP_CLK_REQ_N BIT(30) #define IOMUXC_GPR1_PCIE_EXIT_L1 BIT(28) diff --git a/arch/arm/include/asm/arch-mx6/mx6sx_rdc.h b/arch/arm/include/asm/arch-mx6/mx6sx_rdc.h new file mode 100644 index 0000000000..addfe01033 --- /dev/null +++ b/arch/arm/include/asm/arch-mx6/mx6sx_rdc.h @@ -0,0 +1,155 @@ +/* + * Copyright (C) 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __MX6SX_RDC_H__ +#define __MX6SX_RDC_H__ + +#define RDC_SEMA_PROC_ID 2 /* The processor ID for main CPU */ + +enum { + RDC_PER_PWM1 = 0, + RDC_PER_PWM2, + RDC_PER_PWM3, + RDC_PER_PWM4, + RDC_PER_CAN1, + RDC_PER_CAN2, + RDC_PER_GPT, + RDC_PER_GPIO1, + RDC_PER_GPIO2, + RDC_PER_GPIO3, + RDC_PER_GPIO4, + RDC_PER_GPIO5, + RDC_PER_GPIO6, + RDC_PER_GPIO7, + RDC_PER_KPP, + RDC_PER_WDOG1, + RDC_PER_WODG2, + RDC_PER_CCM, + RDC_PER_ANATOPDIG, + RDC_PER_SNVSHP, + RDC_PER_EPIT1, + RDC_PER_EPIT2, + RDC_PER_SRC, + RDC_PER_GPC, + RDC_PER_IOMUXC, + RDC_PER_IOMUXCGPR, + RDC_PER_CANFD1, + RDC_PER_SDMA, + RDC_PER_CANFD2, + RDC_PER_SEMA1, + RDC_PER_SEMA2, + RDC_PER_RDC, + RDC_PER_AIPSTZ1_GE1, + RDC_PER_AIPSTZ2_GE2, + RDC_PER_USBO2H_PL301, + RDC_PER_USBO2H_USB, + RDC_PER_ENET1, + RDC_PER_MLB25, + RDC_PER_USDHC1, + RDC_PER_USDHC2, + RDC_PER_USDHC3, + RDC_PER_USDHC4, + RDC_PER_I2C1, + RDC_PER_I2C2, + RDC_PER_I2C3, + RDC_PER_ROMCP, + RDC_PER_MMDC, + RDC_PER_ENET2, + RDC_PER_EIM, + RDC_PER_OCOTP, + RDC_PER_CSU, + RDC_PER_PERFMON1, + RDC_PER_PERFMON2, + RDC_PER_AXIMON, + RDC_PER_TZASC1, + RDC_PER_SAI1, + RDC_PER_AUDMUX, + RDC_PER_SAI2, + RDC_PER_QSPI1, + RDC_PER_QSPI2, + RDC_PER_UART2, + RDC_PER_UART3, + RDC_PER_UART4, + RDC_PER_UART5, + RDC_PER_I2C4, + RDC_PER_QOSC, + RDC_PER_CAAM, + RDC_PER_DAP, + RDC_PER_ADC1, + RDC_PER_ADC2, + RDC_PER_WDOG3, + RDC_PER_ECSPI5, + RDC_PER_SEMA4, + RDC_PER_MUPORT1, + RDC_PER_CANFD_CPU, + RDC_PER_MUPORT2, + RDC_PER_UART6, + RDC_PER_PWM5, + RDC_PER_PWM6, + RDC_PER_PWM7, + RDC_PER_PWM8, + RDC_PER_AIPSTZ3_GE0, + RDC_PER_AIPSTZ3_GE1, + RDC_PER_RESERVED1, + RDC_PER_SPDIF, + RDC_PER_ECSPI1, + RDC_PER_ECSPI2, + RDC_PER_ECSPI3, + RDC_PER_ECSPI4, + RDC_PER_RESERVED2, + RDC_PER_RESERVED3, + RDC_PER_UART1, + RDC_PER_ESAI, + RDC_PER_SSI1, + RDC_PER_SSI2, + RDC_PER_SSI3, + RDC_PER_ASRC, + RDC_PER_RESERVED4, + RDC_PER_SPBA_MA, + RDC_PER_GIS, + RDC_PER_DCIC1, + RDC_PER_DCIC2, + RDC_PER_CSI1, + RDC_PER_PXP, + RDC_PER_CSI2, + RDC_PER_LCDIF1, + RDC_PER_LCDIF2, + RDC_PER_VADC, + RDC_PER_VDEC, + RDC_PER_SPBA_DISPLAYMIX, +}; + +enum { + RDC_MA_A9_L2CACHE = 0, + RDC_MA_M4, + RDC_MA_GPU, + RDC_MA_CSI1, + RDC_MA_CSI2, + RDC_MA_LCDIF1, + RDC_MA_LCDIF2, + RDC_MA_PXP, + RDC_MA_PCIE_CTRL, + RDC_MA_DAP, + RDC_MA_CAAM, + RDC_MA_SDMA_PERI, + RDC_MA_SDMA_BURST, + RDC_MA_APBHDMA, + RDC_MA_RAWNAND, + RDC_MA_USDHC1, + RDC_MA_USDHC2, + RDC_MA_USDHC3, + RDC_MA_USDHC4, + RDC_MA_USB, + RDC_MA_MLB, + RDC_MA_TEST, + RDC_MA_ENET1_TX, + RDC_MA_ENET1_RX, + RDC_MA_ENET2_TX, + RDC_MA_ENET2_RX, + RDC_MA_SDMA, +}; + +#endif /* __MX6SX_RDC_H__*/ diff --git a/arch/arm/include/asm/arch-mx7/imx-rdc.h b/arch/arm/include/asm/arch-mx7/imx-rdc.h new file mode 100644 index 0000000000..dbeed56bd4 --- /dev/null +++ b/arch/arm/include/asm/arch-mx7/imx-rdc.h @@ -0,0 +1,16 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __IMX_RDC_H__ +#define __IMX_RDC_H__ + +#if defined(CONFIG_MX7D) +#include "mx7d_rdc.h" +#else +#error "Please select cpu" +#endif /* CONFIG_MX7D */ + +#endif /* __IMX_RDC_H__*/ diff --git a/arch/arm/include/asm/arch-mx7/imx-regs.h b/arch/arm/include/asm/arch-mx7/imx-regs.h index 58a25c7b16..a3106e7e6b 100644 --- a/arch/arm/include/asm/arch-mx7/imx-regs.h +++ b/arch/arm/include/asm/arch-mx7/imx-regs.h @@ -212,10 +212,16 @@ #define DEBUG_MONITOR_BASE_ADDR IP2APB_AXIMON_IPS_BASE_ADDR #define USB_BASE_ADDR USBOTG1_IPS_BASE_ADDR +#define SEMAPHORE1_BASE_ADDR SEMA41_IPS_BASE_ADDR +#define SEMAPHORE2_BASE_ADDR SEMA42_IPS_BASE_ADDR +#define RDC_BASE_ADDR RDC_IPS_BASE_ADDR #define FEC_QUIRK_ENET_MAC #define SNVS_LPGPR 0x68 +#define CONFIG_SYS_FSL_SEC_ADDR (CAAM_IPS_BASE_ADDR) +#define CONFIG_SYS_FSL_JR0_ADDR (CONFIG_SYS_FSL_SEC_ADDR + 0x1000) + #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__)) #include <asm/imx-common/regs-lcdif.h> #include <asm/types.h> @@ -257,6 +263,11 @@ struct src { u32 ddrc_rcr; }; +#define SRC_M4RCR_M4C_NON_SCLR_RST_OFFSET 0 +#define SRC_M4RCR_M4C_NON_SCLR_RST_MASK (1 << 0) +#define SRC_M4RCR_ENABLE_M4_OFFSET 3 +#define SRC_M4RCR_ENABLE_M4_MASK (1 << 3) + /* GPR0 Bit Fields */ #define IOMUXC_GPR_GPR0_DMAREQ_MUX_SEL0_MASK 0x1u #define IOMUXC_GPR_GPR0_DMAREQ_MUX_SEL0_SHIFT 0 diff --git a/arch/arm/include/asm/arch-mx7/mx7d_rdc.h b/arch/arm/include/asm/arch-mx7/mx7d_rdc.h new file mode 100644 index 0000000000..9073cbddc3 --- /dev/null +++ b/arch/arm/include/asm/arch-mx7/mx7d_rdc.h @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __MX7D_RDC_H__ +#define __MX7D_RDC_H__ + +#define RDC_SEMA_PROC_ID 2 /* The processor ID for main CPU */ + +enum { + RDC_PER_GPIO1 = 0, + RDC_PER_GPIO2, + RDC_PER_GPIO3, + RDC_PER_GPIO4, + RDC_PER_GPIO5, + RDC_PER_GPIO6, + RDC_PER_GPIO7, + RDC_PER_IOMUXC_LPSR_GPR, + RDC_PER_WDOG1, + RDC_PER_WDOG2, + RDC_PER_WDOG3, + RDC_PER_WDOG4, + RDC_PER_IOMUXC_LPSR, + RDC_PER_GPT1, + RDC_PER_GPT2, + RDC_PER_GPT3, + RDC_PER_GPT4, + RDC_PER_ROMCP, + RDC_PER_KPP, + RDC_PER_IOMUXC, + RDC_PER_IOMUXCGPR, + RDC_PER_OCOTP, + RDC_PER_ANATOP_DIG, + RDC_PER_SNVS_HP, + RDC_PER_CCM, + RDC_PER_SRC, + RDC_PER_GPC, + RDC_PER_SEMA1, + RDC_PER_SEMA2, + RDC_PER_RDC, + RDC_PER_CSU, + RDC_PER_RESERVED1, + RDC_PER_RESERVED2, + RDC_PER_ADC1, + RDC_PER_ADC2, + RDC_PER_ECSPI4, + RDC_PER_FLEX_TIMER1, + RDC_PER_FLEX_TIMER2, + RDC_PER_PWM1, + RDC_PER_PWM2, + RDC_PER_PWM3, + RDC_PER_PWM4, + RDC_PER_SYSTEM_COUNTER_READ, + RDC_PER_SYSTEM_COUNTER_COMPARE, + RDC_PER_SYSTEM_COUNTER_CONTROL, + RDC_PER_PCIE_PHY, + RDC_PER_RESERVED3, + RDC_PER_EPDC, + RDC_PER_PXP, + RDC_PER_CSI, + RDC_PER_RESERVED4, + RDC_PER_LCDIF, + RDC_PER_RESERVED5, + RDC_PER_MIPI_CSI, + RDC_PER_MIPI_DSI, + RDC_PER_RESERVED6, + RDC_PER_TZASC, + RDC_PER_DDR_PHY, + RDC_PER_DDRC, + RDC_PER_RESERVED7, + RDC_PER_PERFMON1, + RDC_PER_PERFMON2, + RDC_PER_AXI_DEBUG_MON, + RDC_PER_QOSC, + RDC_PER_FLEXCAN1, + RDC_PER_FLEXCAN2, + RDC_PER_I2C1, + RDC_PER_I2C2, + RDC_PER_I2C3, + RDC_PER_I2C4, + RDC_PER_UART4, + RDC_PER_UART5, + RDC_PER_UART6, + RDC_PER_UART7, + RDC_PER_MU_A, + RDC_PER_MU_B, + RDC_PER_SEMAPHORE_HS, + RDC_PER_USB_PL301, + RDC_PER_RESERVED8, + RDC_PER_RESERVED9, + RDC_PER_RESERVED10, + RDC_PER_USB1, + RDC_PER_USB2, + RDC_PER_USB3, + RDC_PER_USDHC1, + RDC_PER_USDHC2, + RDC_PER_USDHC3, + RDC_PER_RESERVED11, + RDC_PER_RESERVED12, + RDC_PER_SIM1, + RDC_PER_SIM2, + RDC_PER_QSPI, + RDC_PER_WEIM, + RDC_PER_SDMA, + RDC_PER_ENET1, + RDC_PER_ENET2, + RDC_PER_RESERVED13, + RDC_PER_RESERVED14, + RDC_PER_ECSPI1, + RDC_PER_ECSPI2, + RDC_PER_ECSPI3, + RDC_PER_RESERVED15, + RDC_PER_UART1, + RDC_PER_UART2, + RDC_PER_UART3, + RDC_PER_RESERVED16, + RDC_PER_SAI1, + RDC_PER_SAI2, + RDC_PER_SAI3, + RDC_PER_RESERVED17, + RDC_PER_RESERVED18, + RDC_PER_SPBA, + RDC_PER_DAP, + RDC_PER_RESERVED19, + RDC_PER_RESERVED20, + RDC_PER_RESERVED21, + RDC_PER_CAAM, + RDC_PER_RESERVED22, +}; + +enum { + RDC_MA_A7 = 0, + RDC_MA_M4, + RDC_MA_PCIE, + RDC_MA_CSI, + RDC_MA_EPDC, + RDC_MA_LCDIF, + RDC_MA_DISPLAY_PORT, + RDC_MA_PXP, + RDC_MA_CORESIGHT, + RDC_MA_DAP, + RDC_MA_CAAM, + RDC_MA_SDMA_PERI, + RDC_MA_SDMA_BURST, + RDC_MA_APBHDMA, + RDC_MA_RAWNAND, + RDC_MA_USDHC1, + RDC_MA_USDHC2, + RDC_MA_USDHC3, + RDC_MA_NC1, + RDC_MA_USB, + RDC_MA_NC2, + RDC_MA_TEST, + RDC_MA_ENET1_TX, + RDC_MA_ENET1_RX, + RDC_MA_ENET2_TX, + RDC_MA_ENET2_RX, + RDC_MA_SDMA, +}; + +#endif /* __MX7D_RDC_H__*/ diff --git a/arch/arm/include/asm/imx-common/rdc-sema.h b/arch/arm/include/asm/imx-common/rdc-sema.h new file mode 100644 index 0000000000..2c61e56126 --- /dev/null +++ b/arch/arm/include/asm/imx-common/rdc-sema.h @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __RDC_SEMA_H__ +#define __RDC_SEMA_H__ + +/* + * rdc_peri_cfg_t and rdc_ma_cft_t use the same layout. + * + * [ 23 22 | 21 20 | 19 18 | 17 16 ] | [ 15 - 8 ] | [ 7 - 0 ] + * d3 d2 d1 d0 | master id | peri id + * d[x] means domain[x], x can be [3 - 0]. + */ +typedef u32 rdc_peri_cfg_t; +typedef u32 rdc_ma_cfg_t; + +#define RDC_PERI_SHIFT 0 +#define RDC_PERI_MASK 0xFF + +#define RDC_DOMAIN_SHIFT_BASE 16 +#define RDC_DOMAIN_MASK 0xFF0000 +#define RDC_DOMAIN_SHIFT(x) (RDC_DOMAIN_SHIFT_BASE + ((x << 1))) +#define RDC_DOMAIN(x) ((rdc_peri_cfg_t)(0x3 << RDC_DOMAIN_SHIFT(x))) + +#define RDC_MASTER_SHIFT 8 +#define RDC_MASTER_MASK 0xFF00 +#define RDC_MASTER_CFG(master_id, domain_id) (rdc_ma_cfg_t)((master_id << 8) | \ + (domain_id << RDC_DOMAIN_SHIFT_BASE)) + +/* The Following macro definitions are common to i.MX6SX and i.MX7D */ +#define SEMA_GATES_NUM 64 + +#define RDC_MDA_DID_SHIFT 0 +#define RDC_MDA_DID_MASK (0x3 << RDC_MDA_DID_SHIFT) +#define RDC_MDA_LCK_SHIFT 31 +#define RDC_MDA_LCK_MASK (0x1 << RDC_MDA_LCK_SHIFT) + +#define RDC_PDAP_DW_SHIFT(domain) ((domain) << 1) +#define RDC_PDAP_DR_SHIFT(domain) (1 + RDC_PDAP_DW_SHIFT(domain)) +#define RDC_PDAP_DW_MASK(domain) (1 << RDC_PDAP_DW_SHIFT(domain)) +#define RDC_PDAP_DR_MASK(domain) (1 << RDC_PDAP_DR_SHIFT(domain)) +#define RDC_PDAP_DRW_MASK(domain) (RDC_PDAP_DW_MASK(domain) | \ + RDC_PDAP_DR_MASK(domain)) + +#define RDC_PDAP_SREQ_SHIFT 30 +#define RDC_PDAP_SREQ_MASK (0x1 << RDC_PDAP_SREQ_SHIFT) +#define RDC_PDAP_LCK_SHIFT 31 +#define RDC_PDAP_LCK_MASK (0x1 << RDC_PDAP_LCK_SHIFT) + +#define RDC_MRSA_SADR_SHIFT 7 +#define RDC_MRSA_SADR_MASK (0x1ffffff << RDC_MRSA_SADR_SHIFT) + +#define RDC_MREA_EADR_SHIFT 7 +#define RDC_MREA_EADR_MASK (0x1ffffff << RDC_MREA_EADR_SHIFT) + +#define RDC_MRC_DW_SHIFT(domain) (domain) +#define RDC_MRC_DR_SHIFT(domain) (1 + RDC_MRC_DW_SHIFT(domain)) +#define RDC_MRC_DW_MASK(domain) (1 << RDC_MRC_DW_SHIFT(domain)) +#define RDC_MRC_DR_MASK(domain) (1 << RDC_MRC_DR_SHIFT(domain)) +#define RDC_MRC_DRW_MASK(domain) (RDC_MRC_DW_MASK(domain) | \ + RDC_MRC_DR_MASK(domain)) +#define RDC_MRC_ENA_SHIFT 30 +#define RDC_MRC_ENA_MASK (0x1 << RDC_MRC_ENA_SHIFT) +#define RDC_MRC_LCK_SHIFT 31 +#define RDC_MRC_LCK_MASK (0x1 << RDC_MRC_LCK_SHIFT) + +#define RDC_MRVS_VDID_SHIFT 0 +#define RDC_MRVS_VDID_MASK (0x3 << RDC_MRVS_VDID_SHIFT) +#define RDC_MRVS_AD_SHIFT 4 +#define RDC_MRVS_AD_MASK (0x1 << RDC_MRVS_AD_SHIFT) +#define RDC_MRVS_VADDR_SHIFT 5 +#define RDC_MRVS_VADDR_MASK (0x7ffffff << RDC_MRVS_VADDR_SHIFT) + +#define RDC_SEMA_GATE_GTFSM_SHIFT 0 +#define RDC_SEMA_GATE_GTFSM_MASK (0xf << RDC_SEMA_GATE_GTFSM_SHIFT) +#define RDC_SEMA_GATE_LDOM_SHIFT 5 +#define RDC_SEMA_GATE_LDOM_MASK (0x3 << RDC_SEMA_GATE_LDOM_SHIFT) + +#define RDC_SEMA_RSTGT_RSTGDP_SHIFT 0 +#define RDC_SEMA_RSTGT_RSTGDP_MASK (0xff << RDC_SEMA_RSTGT_RSTGDP_SHIFT) +#define RDC_SEMA_RSTGT_RSTGSM_SHIFT 2 +#define RDC_SEMA_RSTGT_RSTGSM_MASK (0x3 << RDC_SEMA_RSTGT_RSTGSM_SHIFT) +#define RDC_SEMA_RSTGT_RSTGMS_SHIFT 4 +#define RDC_SEMA_RSTGT_RSTGMS_MASK (0xf << RDC_SEMA_RSTGT_RSTGMS_SHIFT) +#define RDC_SEMA_RSTGT_RSTGTN_SHIFT 8 +#define RDC_SEMA_RSTGT_RSTGTN_MASK (0xff << RDC_SEMA_RSTGT_RSTGTN_SHIFT) + +int imx_rdc_check_permission(int per_id, int dom_id); +int imx_rdc_sema_lock(int per_id); +int imx_rdc_sema_unlock(int per_id); +int imx_rdc_setup_peri(rdc_peri_cfg_t p); +int imx_rdc_setup_peripherals(rdc_peri_cfg_t const *peripherals_list, + unsigned count); +int imx_rdc_setup_ma(rdc_ma_cfg_t p); +int imx_rdc_setup_masters(rdc_ma_cfg_t const *masters_list, unsigned count); + +#endif /* __RDC_SEMA_H__*/ |