diff options
Diffstat (limited to 'arch/arm/include/asm/arch-mx6/mx6_plugin.S')
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/mx6_plugin.S | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/arch/arm/include/asm/arch-mx6/mx6_plugin.S b/arch/arm/include/asm/arch-mx6/mx6_plugin.S deleted file mode 100644 index 7e61d22..0000000 --- a/arch/arm/include/asm/arch-mx6/mx6_plugin.S +++ /dev/null @@ -1,158 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2016 Freescale Semiconductor, Inc. - */ - -#include <config.h> - -#ifdef CONFIG_ROM_UNIFIED_SECTIONS -#define ROM_API_TABLE_BASE_ADDR_LEGACY 0x180 -#define ROM_VERSION_OFFSET 0x80 -#else -#define ROM_API_TABLE_BASE_ADDR_LEGACY 0xC0 -#define ROM_VERSION_OFFSET 0x48 -#endif -#define ROM_API_TABLE_BASE_ADDR_MX6DQ_TO15 0xC4 -#define ROM_API_TABLE_BASE_ADDR_MX6DL_TO12 0xC4 -#define ROM_API_HWCNFG_SETUP_OFFSET 0x08 -#define ROM_VERSION_TO10 0x10 -#define ROM_VERSION_TO12 0x12 -#define ROM_VERSION_TO15 0x15 - -plugin_start: - - push {r0-r4, lr} - - imx6_ddr_setting - imx6_clock_gating - imx6_qos_setting - -/* - * The following is to fill in those arguments for this ROM function - * pu_irom_hwcnfg_setup(void **start, size_t *bytes, const void *boot_data) - * This function is used to copy data from the storage media into DDR. - * start - Initial (possibly partial) image load address on entry. - * Final image load address on exit. - * bytes - Initial (possibly partial) image size on entry. - * Final image size on exit. - * boot_data - Initial @ref ivt Boot Data load address. - */ - adr r0, boot_data2 - adr r1, image_len2 - adr r2, boot_data2 - -#ifdef CONFIG_NOR_BOOT -#ifdef CONFIG_MX6SX - ldr r3, =ROM_VERSION_OFFSET - ldr r4, [r3] - cmp r4, #ROM_VERSION_TO10 - bgt before_calling_rom___pu_irom_hwcnfg_setup - ldr r3, =0x00900b00 - ldr r4, =0x50000000 - str r4, [r3, #0x5c] -#else - ldr r3, =0x00900800 - ldr r4, =0x08000000 - str r4, [r3, #0xc0] -#endif -#endif - -/* - * check the _pu_irom_api_table for the address - */ -before_calling_rom___pu_irom_hwcnfg_setup: - ldr r3, =ROM_VERSION_OFFSET - ldr r4, [r3] -#if defined(CONFIG_MX6SOLO) || defined(CONFIG_MX6DL) - ldr r3, =ROM_VERSION_TO12 - cmp r4, r3 - ldrge r3, =ROM_API_TABLE_BASE_ADDR_MX6DL_TO12 - ldrlt r3, =ROM_API_TABLE_BASE_ADDR_LEGACY -#elif defined(CONFIG_MX6Q) - ldr r3, =ROM_VERSION_TO15 - cmp r4, r3 - ldrge r3, =ROM_API_TABLE_BASE_ADDR_MX6DQ_TO15 - ldrlt r3, =ROM_API_TABLE_BASE_ADDR_LEGACY -#else - ldr r3, =ROM_API_TABLE_BASE_ADDR_LEGACY -#endif - ldr r4, [r3, #ROM_API_HWCNFG_SETUP_OFFSET] - blx r4 -after_calling_rom___pu_irom_hwcnfg_setup: - -/* - * ROM_API_HWCNFG_SETUP function enables MMU & Caches. - * Thus disable MMU & Caches. - */ - - mrc p15, 0, r0, c1, c0, 0 /* read CP15 register 1 into r0*/ - ands r0, r0, #0x1 /* check if MMU is enabled */ - beq mmu_disable_notreq /* exit if MMU is already disabled */ - - /* Disable caches, MMU */ - mrc p15, 0, r0, c1, c0, 0 /* read CP15 register 1 into r0 */ - bic r0, r0, #(1 << 2) /* disable D Cache */ - bic r0, r0, #0x1 /* clear bit 0 ; MMU off */ - - bic r0, r0, #(0x1 << 11) /* disable Z, branch prediction */ - bic r0, r0, #(0x1 << 1) /* disable A, Strict alignment */ - /* check enabled. */ - mcr p15, 0, r0, c1, c0, 0 /* write CP15 register 1 */ - mov r0, r0 - mov r0, r0 - mov r0, r0 - mov r0, r0 - -mmu_disable_notreq: - NOP - -/* To return to ROM from plugin, we need to fill in these argument. - * Here is what need to do: - * Need to construct the paramters for this function before return to ROM: - * plugin_download(void **start, size_t *bytes, UINT32 *ivt_offset) - */ - pop {r0-r4, lr} - push {r5} - ldr r5, boot_data2 - str r5, [r0] - ldr r5, image_len2 - str r5, [r1] - ldr r5, second_ivt_offset - str r5, [r2] - mov r0, #1 - pop {r5} - - /* return back to ROM code */ - bx lr - -/* make the following data right in the end of the output*/ -.ltorg - -#if (defined(CONFIG_NOR_BOOT) || defined(CONFIG_QSPI_BOOT)) -#define FLASH_OFFSET 0x1000 -#else -#define FLASH_OFFSET 0x400 -#endif - -/* - * second_ivt_offset is the offset from the "second_ivt_header" to - * "image_copy_start", which involves FLASH_OFFSET, plus the first - * ivt_header, the plugin code size itself recorded by "ivt2_header" - */ - -second_ivt_offset: .long (ivt2_header + 0x2C + FLASH_OFFSET) - -/* - * The following is the second IVT header plus the second boot data - */ -ivt2_header: .long 0x0 -app2_code_jump_v: .long 0x0 -reserv3: .long 0x0 -dcd2_ptr: .long 0x0 -boot_data2_ptr: .long 0x0 -self_ptr2: .long 0x0 -app_code_csf2: .long 0x0 -reserv4: .long 0x0 -boot_data2: .long 0x0 -image_len2: .long 0x0 -plugin2: .long 0x0 |