diff options
author | Stefano Babic <sbabic@denx.de> | 2017-06-29 10:16:06 +0200 |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2017-07-12 10:17:44 +0200 |
commit | 552a848e4f75e224515269a84a1155c84b762bc7 (patch) | |
tree | abef72c4452bf6934525563520690119bb8d1301 /arch/arm/cpu/armv7/mx7/soc.c | |
parent | f34ccce50a1805a6fdb2d1604ec4e40d79302455 (diff) |
imx: reorganize IMX code as other SOCs
Change is consistent with other SOCs and it is in preparation
for adding SOMs. SOC's related files are moved from cpu/ to
mach-imx/<SOC>.
This change is also coherent with the structure in kernel.
Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Fabio Estevam <fabio.estevam@nxp.com>
CC: Akshay Bhat <akshaybhat@timesys.com>
CC: Ken Lin <Ken.Lin@advantech.com.tw>
CC: Marek Vasut <marek.vasut@gmail.com>
CC: Heiko Schocher <hs@denx.de>
CC: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com>
CC: Christian Gmeiner <christian.gmeiner@gmail.com>
CC: Stefan Roese <sr@denx.de>
CC: Patrick Bruenn <p.bruenn@beckhoff.com>
CC: Troy Kisky <troy.kisky@boundarydevices.com>
CC: Nikita Kiryanov <nikita@compulab.co.il>
CC: Otavio Salvador <otavio@ossystems.com.br>
CC: "Eric Bénard" <eric@eukrea.com>
CC: Jagan Teki <jagan@amarulasolutions.com>
CC: Ye Li <ye.li@nxp.com>
CC: Peng Fan <peng.fan@nxp.com>
CC: Adrian Alonso <adrian.alonso@nxp.com>
CC: Alison Wang <b18965@freescale.com>
CC: Tim Harvey <tharvey@gateworks.com>
CC: Martin Donnelly <martin.donnelly@ge.com>
CC: Marcin Niestroj <m.niestroj@grinn-global.com>
CC: Lukasz Majewski <lukma@denx.de>
CC: Adam Ford <aford173@gmail.com>
CC: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr>
CC: Boris Brezillon <boris.brezillon@free-electrons.com>
CC: Soeren Moch <smoch@web.de>
CC: Richard Hu <richard.hu@technexion.com>
CC: Wig Cheng <wig.cheng@technexion.com>
CC: Vanessa Maegima <vanessa.maegima@nxp.com>
CC: Max Krummenacher <max.krummenacher@toradex.com>
CC: Stefan Agner <stefan.agner@toradex.com>
CC: Markus Niebel <Markus.Niebel@tq-group.com>
CC: Breno Lima <breno.lima@nxp.com>
CC: Francesco Montefoschi <francesco.montefoschi@udoo.org>
CC: Jaehoon Chung <jh80.chung@samsung.com>
CC: Scott Wood <oss@buserror.net>
CC: Joe Hershberger <joe.hershberger@ni.com>
CC: Anatolij Gustschin <agust@denx.de>
CC: Simon Glass <sjg@chromium.org>
CC: "Andrew F. Davis" <afd@ti.com>
CC: "Łukasz Majewski" <l.majewski@samsung.com>
CC: Patrice Chotard <patrice.chotard@st.com>
CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
CC: Hans de Goede <hdegoede@redhat.com>
CC: Masahiro Yamada <yamada.masahiro@socionext.com>
CC: Stephen Warren <swarren@nvidia.com>
CC: Andre Przywara <andre.przywara@arm.com>
CC: "Álvaro Fernández Rojas" <noltari@gmail.com>
CC: York Sun <york.sun@nxp.com>
CC: Xiaoliang Yang <xiaoliang.yang@nxp.com>
CC: Chen-Yu Tsai <wens@csie.org>
CC: George McCollister <george.mccollister@gmail.com>
CC: Sven Ebenfeld <sven.ebenfeld@gmail.com>
CC: Filip Brozovic <fbrozovic@gmail.com>
CC: Petr Kulhavy <brain@jikos.cz>
CC: Eric Nelson <eric@nelint.com>
CC: Bai Ping <ping.bai@nxp.com>
CC: Anson Huang <Anson.Huang@nxp.com>
CC: Sanchayan Maity <maitysanchayan@gmail.com>
CC: Lokesh Vutla <lokeshvutla@ti.com>
CC: Patrick Delaunay <patrick.delaunay@st.com>
CC: Gary Bisson <gary.bisson@boundarydevices.com>
CC: Alexander Graf <agraf@suse.de>
CC: u-boot@lists.denx.de
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Diffstat (limited to 'arch/arm/cpu/armv7/mx7/soc.c')
-rw-r--r-- | arch/arm/cpu/armv7/mx7/soc.c | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/arch/arm/cpu/armv7/mx7/soc.c b/arch/arm/cpu/armv7/mx7/soc.c deleted file mode 100644 index 8422f24573..0000000000 --- a/arch/arm/cpu/armv7/mx7/soc.c +++ /dev/null @@ -1,468 +0,0 @@ -/* - * Copyright (C) 2015 Freescale Semiconductor, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/clock.h> -#include <asm/arch/sys_proto.h> -#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> - -#if defined(CONFIG_IMX_THERMAL) -static const struct imx_thermal_plat imx7_thermal_plat = { - .regs = (void *)ANATOP_BASE_ADDR, - .fuse_bank = 3, - .fuse_word = 3, -}; - -U_BOOT_DEVICE(imx7_thermal) = { - .name = "imx_thermal", - .platdata = &imx7_thermal_plat, -}; -#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, - .word = 3, -}; -#endif - -/* - * OCOTP_TESTER3[9:8] (see Fusemap Description Table offset 0x440) - * defines a 2-bit SPEED_GRADING - */ -#define OCOTP_TESTER3_SPEED_SHIFT 8 -#define OCOTP_TESTER3_SPEED_800MHZ 0 -#define OCOTP_TESTER3_SPEED_500MHZ 1 -#define OCOTP_TESTER3_SPEED_1GHZ 2 -#define OCOTP_TESTER3_SPEED_1P2GHZ 3 - -u32 get_cpu_speed_grade_hz(void) -{ - struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; - struct fuse_bank *bank = &ocotp->bank[1]; - struct fuse_bank1_regs *fuse = - (struct fuse_bank1_regs *)bank->fuse_regs; - uint32_t val; - - val = readl(&fuse->tester3); - val >>= OCOTP_TESTER3_SPEED_SHIFT; - val &= 0x3; - - switch(val) { - case OCOTP_TESTER3_SPEED_800MHZ: - return 800000000; - case OCOTP_TESTER3_SPEED_500MHZ: - return 500000000; - case OCOTP_TESTER3_SPEED_1GHZ: - return 1000000000; - case OCOTP_TESTER3_SPEED_1P2GHZ: - return 1200000000; - } - return 0; -} - -/* - * OCOTP_TESTER3[7:6] (see Fusemap Description Table offset 0x440) - * defines a 2-bit SPEED_GRADING - */ -#define OCOTP_TESTER3_TEMP_SHIFT 6 - -u32 get_cpu_temp_grade(int *minc, int *maxc) -{ - struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; - struct fuse_bank *bank = &ocotp->bank[1]; - struct fuse_bank1_regs *fuse = - (struct fuse_bank1_regs *)bank->fuse_regs; - uint32_t val; - - val = readl(&fuse->tester3); - val >>= OCOTP_TESTER3_TEMP_SHIFT; - val &= 0x3; - - if (minc && maxc) { - if (val == TEMP_AUTOMOTIVE) { - *minc = -40; - *maxc = 125; - } else if (val == TEMP_INDUSTRIAL) { - *minc = -40; - *maxc = 105; - } else if (val == TEMP_EXTCOMMERCIAL) { - *minc = -20; - *maxc = 105; - } else { - *minc = 0; - *maxc = 95; - } - } - return val; -} - -static bool is_mx7d(void) -{ - struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; - struct fuse_bank *bank = &ocotp->bank[1]; - struct fuse_bank1_regs *fuse = - (struct fuse_bank1_regs *)bank->fuse_regs; - int val; - - val = readl(&fuse->tester4); - if (val & 1) - return false; - else - return true; -} - -u32 get_cpu_rev(void) -{ - struct mxc_ccm_anatop_reg *ccm_anatop = (struct mxc_ccm_anatop_reg *) - ANATOP_BASE_ADDR; - u32 reg = readl(&ccm_anatop->digprog); - u32 type = (reg >> 16) & 0xff; - - if (!is_mx7d()) - type = MXC_CPU_MX7S; - - reg &= 0xff; - return (type << 12) | reg; -} - -#ifdef CONFIG_REVISION_TAG -u32 __weak get_board_rev(void) -{ - return get_cpu_rev(); -} -#endif - -/* enable all periherial can be accessed in nosec mode */ -static void init_csu(void) -{ - int i = 0; - for (i = 0; i < CSU_NUM_REGS; i++) - writel(CSU_INIT_SEC_LEVEL0, CSU_IPS_BASE_ADDR + i * 4); -} - -static void imx_enet_mdio_fixup(void) -{ - struct iomuxc_gpr_base_regs *gpr_regs = - (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR; - - /* - * The management data input/output (MDIO) requires open-drain, - * i.MX7D TO1.0 ENET MDIO pin has no open drain, but TO1.1 supports - * this feature. So to TO1.1, need to enable open drain by setting - * bits GPR0[8:7]. - */ - - if (soc_rev() >= CHIP_REV_1_1) { - setbits_le32(&gpr_regs->gpr[0], - IOMUXC_GPR_GPR0_ENET_MDIO_OPEN_DRAIN_MASK); - } -} - -int arch_cpu_init(void) -{ - init_aips(); - - init_csu(); - /* Disable PDE bit of WMCR register */ - imx_set_wdog_powerdown(false); - - imx_enet_mdio_fixup(); - -#ifdef CONFIG_APBH_DMA - /* Start APBH DMA */ - mxs_dma_init(); -#endif - - if (IS_ENABLED(CONFIG_IMX_RDC)) - isolate_resource(); - - return 0; -} - -#ifdef CONFIG_ARCH_MISC_INIT -int arch_misc_init(void) -{ -#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG - if (is_mx7d()) - setenv("soc", "imx7d"); - else - setenv("soc", "imx7s"); -#endif - - return 0; -} -#endif - -#ifdef CONFIG_SERIAL_TAG -void get_board_serial(struct tag_serialnr *serialnr) -{ - struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; - struct fuse_bank *bank = &ocotp->bank[0]; - struct fuse_bank0_regs *fuse = - (struct fuse_bank0_regs *)bank->fuse_regs; - - serialnr->low = fuse->tester0; - serialnr->high = fuse->tester1; -} -#endif - -#if defined(CONFIG_FEC_MXC) -void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) -{ - struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; - struct fuse_bank *bank = &ocotp->bank[9]; - struct fuse_bank9_regs *fuse = - (struct fuse_bank9_regs *)bank->fuse_regs; - - if (0 == dev_id) { - u32 value = readl(&fuse->mac_addr1); - mac[0] = (value >> 8); - mac[1] = value; - - value = readl(&fuse->mac_addr0); - mac[2] = value >> 24; - mac[3] = value >> 16; - mac[4] = value >> 8; - mac[5] = value; - } else { - u32 value = readl(&fuse->mac_addr2); - mac[0] = value >> 24; - mac[1] = value >> 16; - mac[2] = value >> 8; - mac[3] = value; - - value = readl(&fuse->mac_addr1); - mac[4] = value >> 24; - mac[5] = value >> 16; - } -} -#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); - /* - * Output WDOG_B signal to reset external pmic or POR_B decided by - * the board desgin. Without external reset, the peripherals/DDR/ - * PMIC are not reset, that may cause system working abnormal. - */ - reg = readw(&wdog->wcr); - reg |= 1 << 3; - /* - * WDZST bit is write-once only bit. Align this bit in kernel, - * otherwise kernel code will have no chance to set this bit. - */ - reg |= 1 << 0; - writew(reg, &wdog->wcr); -} - -/* - * cfg_val will be used for - * Boot_cfg4[7:0]:Boot_cfg3[7:0]:Boot_cfg2[7:0]:Boot_cfg1[7:0] - * After reset, if GPR10[28] is 1, ROM will copy GPR9[25:0] - * to SBMR1, which will determine the boot device. - */ -const struct boot_mode soc_boot_modes[] = { - {"ecspi1:0", MAKE_CFGVAL(0x00, 0x60, 0x00, 0x00)}, - {"ecspi1:1", MAKE_CFGVAL(0x40, 0x62, 0x00, 0x00)}, - {"ecspi1:2", MAKE_CFGVAL(0x80, 0x64, 0x00, 0x00)}, - {"ecspi1:3", MAKE_CFGVAL(0xc0, 0x66, 0x00, 0x00)}, - - {"weim", MAKE_CFGVAL(0x00, 0x50, 0x00, 0x00)}, - {"qspi1", MAKE_CFGVAL(0x10, 0x40, 0x00, 0x00)}, - /* 4 bit bus width */ - {"usdhc1", MAKE_CFGVAL(0x10, 0x10, 0x00, 0x00)}, - {"usdhc2", MAKE_CFGVAL(0x10, 0x14, 0x00, 0x00)}, - {"usdhc3", MAKE_CFGVAL(0x10, 0x18, 0x00, 0x00)}, - {"mmc1", MAKE_CFGVAL(0x10, 0x20, 0x00, 0x00)}, - {"mmc2", MAKE_CFGVAL(0x10, 0x24, 0x00, 0x00)}, - {"mmc3", MAKE_CFGVAL(0x10, 0x28, 0x00, 0x00)}, - {NULL, 0}, -}; - -enum boot_device get_boot_device(void) -{ - struct bootrom_sw_info **p = - (struct bootrom_sw_info **)ROM_SW_INFO_ADDR; - - enum boot_device boot_dev = SD1_BOOT; - u8 boot_type = (*p)->boot_dev_type; - u8 boot_instance = (*p)->boot_dev_instance; - - switch (boot_type) { - case BOOT_TYPE_SD: - boot_dev = boot_instance + SD1_BOOT; - break; - case BOOT_TYPE_MMC: - boot_dev = boot_instance + MMC1_BOOT; - break; - case BOOT_TYPE_NAND: - boot_dev = NAND_BOOT; - break; - case BOOT_TYPE_QSPI: - boot_dev = QSPI_BOOT; - break; - case BOOT_TYPE_WEIM: - boot_dev = WEIM_NOR_BOOT; - break; - case BOOT_TYPE_SPINOR: - boot_dev = SPI_NOR_BOOT; - break; - default: - break; - } - - return boot_dev; -} - -#ifdef CONFIG_ENV_IS_IN_MMC -__weak int board_mmc_get_env_dev(int devno) -{ - return CONFIG_SYS_MMC_ENV_DEV; -} - -int mmc_get_env_dev(void) -{ - struct bootrom_sw_info **p = - (struct bootrom_sw_info **)ROM_SW_INFO_ADDR; - int devno = (*p)->boot_dev_instance; - u8 boot_type = (*p)->boot_dev_type; - - /* If not boot from sd/mmc, use default value */ - if ((boot_type != BOOT_TYPE_SD) && (boot_type != BOOT_TYPE_MMC)) - return CONFIG_SYS_MMC_ENV_DEV; - - return board_mmc_get_env_dev(devno); -} -#endif - -void s_init(void) -{ -#if !defined CONFIG_SPL_BUILD - /* Enable SMP mode for CPU0, by setting bit 6 of Auxiliary Ctl reg */ - asm volatile( - "mrc p15, 0, r0, c1, c0, 1\n" - "orr r0, r0, #1 << 6\n" - "mcr p15, 0, r0, c1, c0, 1\n"); -#endif - /* clock configuration. */ - clock_init(); - - return; -} - -void reset_misc(void) -{ -#ifdef CONFIG_VIDEO_MXS - lcdif_power_down(); -#endif -} - |