diff options
Diffstat (limited to 'arch/arm/imx-common/init.c')
-rw-r--r-- | arch/arm/imx-common/init.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/arch/arm/imx-common/init.c b/arch/arm/imx-common/init.c deleted file mode 100644 index 5b4f8286575..00000000000 --- a/arch/arm/imx-common/init.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * Copyright 2015 Freescale Semiconductor, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#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/arch/crm_regs.h> - -void init_aips(void) -{ - struct aipstz_regs *aips1, *aips2, *aips3; - - aips1 = (struct aipstz_regs *)AIPS1_BASE_ADDR; - aips2 = (struct aipstz_regs *)AIPS2_BASE_ADDR; - aips3 = (struct aipstz_regs *)AIPS3_BASE_ADDR; - - /* - * Set all MPROTx to be non-bufferable, trusted for R/W, - * not forced to user-mode. - */ - writel(0x77777777, &aips1->mprot0); - writel(0x77777777, &aips1->mprot1); - writel(0x77777777, &aips2->mprot0); - writel(0x77777777, &aips2->mprot1); - - /* - * Set all OPACRx to be non-bufferable, not require - * supervisor privilege level for access,allow for - * write access and untrusted master access. - */ - writel(0x00000000, &aips1->opacr0); - writel(0x00000000, &aips1->opacr1); - writel(0x00000000, &aips1->opacr2); - writel(0x00000000, &aips1->opacr3); - writel(0x00000000, &aips1->opacr4); - writel(0x00000000, &aips2->opacr0); - writel(0x00000000, &aips2->opacr1); - writel(0x00000000, &aips2->opacr2); - writel(0x00000000, &aips2->opacr3); - writel(0x00000000, &aips2->opacr4); - - if (is_mx6ull() || is_mx6sx() || is_mx7()) { - /* - * Set all MPROTx to be non-bufferable, trusted for R/W, - * not forced to user-mode. - */ - writel(0x77777777, &aips3->mprot0); - writel(0x77777777, &aips3->mprot1); - - /* - * Set all OPACRx to be non-bufferable, not require - * supervisor privilege level for access,allow for - * write access and untrusted master access. - */ - writel(0x00000000, &aips3->opacr0); - writel(0x00000000, &aips3->opacr1); - writel(0x00000000, &aips3->opacr2); - writel(0x00000000, &aips3->opacr3); - writel(0x00000000, &aips3->opacr4); - } -} - -void imx_set_wdog_powerdown(bool enable) -{ - struct wdog_regs *wdog1 = (struct wdog_regs *)WDOG1_BASE_ADDR; - struct wdog_regs *wdog2 = (struct wdog_regs *)WDOG2_BASE_ADDR; - struct wdog_regs *wdog3 = (struct wdog_regs *)WDOG3_BASE_ADDR; -#ifdef CONFIG_MX7D - struct wdog_regs *wdog4 = (struct wdog_regs *)WDOG4_BASE_ADDR; -#endif - - /* Write to the PDE (Power Down Enable) bit */ - writew(enable, &wdog1->wmcr); - writew(enable, &wdog2->wmcr); - - if (is_mx6sx() || is_mx6ul() || is_mx7()) - writew(enable, &wdog3->wmcr); -#ifdef CONFIG_MX7D - writew(enable, &wdog4->wmcr); -#endif -} - -#define SRC_SCR_WARM_RESET_ENABLE 0 - -void init_src(void) -{ - struct src *src_regs = (struct src *)SRC_BASE_ADDR; - u32 val; - - /* - * force warm reset sources to generate cold reset - * for a more reliable restart - */ - val = readl(&src_regs->scr); - val &= ~(1 << SRC_SCR_WARM_RESET_ENABLE); - writel(val, &src_regs->scr); -} - -#ifdef CONFIG_CMD_BMODE -void boot_mode_apply(unsigned cfg_val) -{ - unsigned reg; - struct src *psrc = (struct src *)SRC_BASE_ADDR; - writel(cfg_val, &psrc->gpr9); - reg = readl(&psrc->gpr10); - if (cfg_val) - reg |= 1 << 28; - else - reg &= ~(1 << 28); - writel(reg, &psrc->gpr10); -} -#endif - -#if defined(CONFIG_MX6) -u32 imx6_src_get_boot_mode(void) -{ - if (imx6_is_bmode_from_gpr9()) - return readl(&src_base->gpr9); - else - return readl(&src_base->sbmr1); -} -#endif |