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	Move this out of the common header and include it only where needed. In a number of cases this requires adding "struct udevice;" to avoid adding another large header or in other cases replacing / adding missing header files that had been pulled in, very indirectly. Finally, we have a few cases where we did not need to include <asm/global_data.h> at all, so remove that include. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Rini <trini@konsulko.com>
		
			
				
	
	
		
			341 lines
		
	
	
		
			8.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			341 lines
		
	
	
		
			8.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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| /*
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|  * Copyright (C) 2019-2020, STMicroelectronics - All Rights Reserved
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|  */
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| 
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| #define LOG_CATEGORY LOGC_ARCH
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| 
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| #include <common.h>
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| #include <fdtdec.h>
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| #include <fdt_support.h>
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| #include <log.h>
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| #include <tee.h>
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| #include <asm/arch/sys_proto.h>
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| #include <dt-bindings/pinctrl/stm32-pinfunc.h>
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| #include <linux/io.h>
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| 
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| #define ETZPC_DECPROT(n)	(STM32_ETZPC_BASE + 0x10 + 4 * (n))
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| #define ETZPC_DECPROT_NB	6
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| 
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| #define DECPROT_MASK		0x03
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| #define NB_PROT_PER_REG		0x10
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| #define DECPROT_NB_BITS		2
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| 
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| #define DECPROT_SECURED		0x00
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| #define DECPROT_WRITE_SECURE	0x01
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| #define DECPROT_MCU_ISOLATION	0x02
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| #define DECPROT_NON_SECURED	0x03
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| 
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| #define ETZPC_RESERVED		0xffffffff
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| 
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| #define STM32_FDCAN_BASE	0x4400e000
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| #define STM32_CRYP2_BASE	0x4c005000
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| #define STM32_CRYP1_BASE	0x54001000
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| #define STM32_GPU_BASE		0x59000000
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| #define STM32_DSI_BASE		0x5a000000
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| 
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| static const u32 stm32mp1_ip_addr[] = {
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| 	0x5c008000,	/* 00 stgenc */
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| 	0x54000000,	/* 01 bkpsram */
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| 	0x5c003000,	/* 02 iwdg1 */
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| 	0x5c000000,	/* 03 usart1 */
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| 	0x5c001000,	/* 04 spi6 */
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| 	0x5c002000,	/* 05 i2c4 */
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| 	ETZPC_RESERVED,	/* 06 reserved */
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| 	0x54003000,	/* 07 rng1 */
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| 	0x54002000,	/* 08 hash1 */
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| 	STM32_CRYP1_BASE,	/* 09 cryp1 */
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| 	0x5a003000,	/* 0A ddrctrl */
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| 	0x5a004000,	/* 0B ddrphyc */
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| 	0x5c009000,	/* 0C i2c6 */
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| 	ETZPC_RESERVED,	/* 0D reserved */
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| 	ETZPC_RESERVED,	/* 0E reserved */
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| 	ETZPC_RESERVED,	/* 0F reserved */
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| 	0x40000000,	/* 10 tim2 */
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| 	0x40001000,	/* 11 tim3 */
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| 	0x40002000,	/* 12 tim4 */
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| 	0x40003000,	/* 13 tim5 */
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| 	0x40004000,	/* 14 tim6 */
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| 	0x40005000,	/* 15 tim7 */
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| 	0x40006000,	/* 16 tim12 */
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| 	0x40007000,	/* 17 tim13 */
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| 	0x40008000,	/* 18 tim14 */
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| 	0x40009000,	/* 19 lptim1 */
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| 	0x4000a000,	/* 1A wwdg1 */
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| 	0x4000b000,	/* 1B spi2 */
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| 	0x4000c000,	/* 1C spi3 */
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| 	0x4000d000,	/* 1D spdifrx */
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| 	0x4000e000,	/* 1E usart2 */
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| 	0x4000f000,	/* 1F usart3 */
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| 	0x40010000,	/* 20 uart4 */
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| 	0x40011000,	/* 21 uart5 */
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| 	0x40012000,	/* 22 i2c1 */
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| 	0x40013000,	/* 23 i2c2 */
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| 	0x40014000,	/* 24 i2c3 */
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| 	0x40015000,	/* 25 i2c5 */
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| 	0x40016000,	/* 26 cec */
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| 	0x40017000,	/* 27 dac */
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| 	0x40018000,	/* 28 uart7 */
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| 	0x40019000,	/* 29 uart8 */
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| 	ETZPC_RESERVED,	/* 2A reserved */
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| 	ETZPC_RESERVED,	/* 2B reserved */
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| 	0x4001c000,	/* 2C mdios */
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| 	ETZPC_RESERVED,	/* 2D reserved */
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| 	ETZPC_RESERVED,	/* 2E reserved */
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| 	ETZPC_RESERVED,	/* 2F reserved */
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| 	0x44000000,	/* 30 tim1 */
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| 	0x44001000,	/* 31 tim8 */
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| 	ETZPC_RESERVED,	/* 32 reserved */
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| 	0x44003000,	/* 33 usart6 */
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| 	0x44004000,	/* 34 spi1 */
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| 	0x44005000,	/* 35 spi4 */
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| 	0x44006000,	/* 36 tim15 */
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| 	0x44007000,	/* 37 tim16 */
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| 	0x44008000,	/* 38 tim17 */
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| 	0x44009000,	/* 39 spi5 */
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| 	0x4400a000,	/* 3A sai1 */
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| 	0x4400b000,	/* 3B sai2 */
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| 	0x4400c000,	/* 3C sai3 */
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| 	0x4400d000,	/* 3D dfsdm */
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| 	STM32_FDCAN_BASE,	/* 3E tt_fdcan */
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| 	ETZPC_RESERVED,	/* 3F reserved */
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| 	0x50021000,	/* 40 lptim2 */
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| 	0x50022000,	/* 41 lptim3 */
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| 	0x50023000,	/* 42 lptim4 */
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| 	0x50024000,	/* 43 lptim5 */
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| 	0x50027000,	/* 44 sai4 */
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| 	0x50025000,	/* 45 vrefbuf */
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| 	0x4c006000,	/* 46 dcmi */
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| 	0x4c004000,	/* 47 crc2 */
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| 	0x48003000,	/* 48 adc */
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| 	0x4c002000,	/* 49 hash2 */
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| 	0x4c003000,	/* 4A rng2 */
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| 	STM32_CRYP2_BASE,	/* 4B cryp2 */
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| 	ETZPC_RESERVED,	/* 4C reserved */
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| 	ETZPC_RESERVED,	/* 4D reserved */
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| 	ETZPC_RESERVED,	/* 4E reserved */
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| 	ETZPC_RESERVED,	/* 4F reserved */
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| 	ETZPC_RESERVED,	/* 50 sram1 */
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| 	ETZPC_RESERVED,	/* 51 sram2 */
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| 	ETZPC_RESERVED,	/* 52 sram3 */
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| 	ETZPC_RESERVED,	/* 53 sram4 */
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| 	ETZPC_RESERVED,	/* 54 retram */
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| 	0x49000000,	/* 55 otg */
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| 	0x48004000,	/* 56 sdmmc3 */
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| 	0x48005000,	/* 57 dlybsd3 */
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| 	0x48000000,	/* 58 dma1 */
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| 	0x48001000,	/* 59 dma2 */
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| 	0x48002000,	/* 5A dmamux */
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| 	0x58002000,	/* 5B fmc */
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| 	0x58003000,	/* 5C qspi */
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| 	0x58004000,	/* 5D dlybq */
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| 	0x5800a000,	/* 5E eth */
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| 	ETZPC_RESERVED,	/* 5F reserved */
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| };
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| 
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| /* fdt helper */
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| static bool fdt_disable_subnode_by_address(void *fdt, int offset, u32 addr)
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| {
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| 	int node;
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| 	fdt_addr_t regs;
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| 
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| 	for (node = fdt_first_subnode(fdt, offset);
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| 	     node >= 0;
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| 	     node = fdt_next_subnode(fdt, node)) {
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| 		regs = fdtdec_get_addr(fdt, node, "reg");
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| 		if (addr == regs) {
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| 			if (fdtdec_get_is_enabled(fdt, node)) {
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| 				fdt_status_disabled(fdt, node);
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| 
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| 				return true;
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| 			}
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| 			return false;
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| 		}
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| 	}
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| 
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| 	return false;
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| }
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| 
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| static int stm32_fdt_fixup_etzpc(void *fdt, int soc_node)
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| {
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| 	const u32 *array;
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| 	int array_size, i;
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| 	int offset, shift;
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| 	u32 addr, status, decprot[ETZPC_DECPROT_NB];
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| 
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| 	array = stm32mp1_ip_addr;
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| 	array_size = ARRAY_SIZE(stm32mp1_ip_addr);
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| 
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| 	for (i = 0; i < ETZPC_DECPROT_NB; i++)
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| 		decprot[i] = readl(ETZPC_DECPROT(i));
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| 
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| 	for (i = 0; i < array_size; i++) {
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| 		offset = i / NB_PROT_PER_REG;
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| 		shift = (i % NB_PROT_PER_REG) * DECPROT_NB_BITS;
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| 		status = (decprot[offset] >> shift) & DECPROT_MASK;
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| 		addr = array[i];
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| 
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| 		log_debug("ETZPC: 0x%08x decprot %d=%d\n", addr, i, status);
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| 
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| 		if (addr == ETZPC_RESERVED ||
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| 		    status == DECPROT_NON_SECURED)
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| 			continue;
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| 
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| 		if (fdt_disable_subnode_by_address(fdt, soc_node, addr))
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| 			log_notice("ETZPC: 0x%08x node disabled, decprot %d=%d\n",
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| 				   addr, i, status);
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| /* deactivate all the cpu except core 0 */
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| static void stm32_fdt_fixup_cpu(void *blob, char *name)
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| {
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| 	int off;
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| 	u32 reg;
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| 
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| 	off = fdt_path_offset(blob, "/cpus");
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| 	if (off < 0) {
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| 		log_warning("%s: couldn't find /cpus node\n", __func__);
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| 		return;
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| 	}
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| 
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| 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
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| 	while (off != -FDT_ERR_NOTFOUND) {
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| 		reg = fdtdec_get_addr(blob, off, "reg");
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| 		if (reg != 0) {
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| 			fdt_del_node(blob, off);
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| 			log_notice("FDT: cpu %d node remove for %s\n",
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| 				   reg, name);
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| 			/* after delete we can't trust the offsets anymore */
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| 			off = -1;
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| 		}
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| 		off = fdt_node_offset_by_prop_value(blob, off,
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| 						    "device_type", "cpu", 4);
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| 	}
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| }
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| 
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| static void stm32_fdt_disable(void *fdt, int offset, u32 addr,
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| 			      const char *string, const char *name)
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| {
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| 	if (fdt_disable_subnode_by_address(fdt, offset, addr))
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| 		log_notice("FDT: %s@%08x node disabled for %s\n",
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| 			   string, addr, name);
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| }
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| 
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| static void stm32_fdt_disable_optee(void *blob)
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| {
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| 	int off, node;
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| 
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| 	/* Delete "optee" firmware node */
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| 	off = fdt_node_offset_by_compatible(blob, -1, "linaro,optee-tz");
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| 	if (off >= 0 && fdtdec_get_is_enabled(blob, off))
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| 		fdt_del_node(blob, off);
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| 
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| 	/* Delete "optee@..." reserved-memory node */
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| 	off = fdt_path_offset(blob, "/reserved-memory/");
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| 	if (off < 0)
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| 		return;
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| 	for (node = fdt_first_subnode(blob, off);
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| 	     node >= 0;
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| 	     node = fdt_next_subnode(blob, node)) {
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| 		if (strncmp(fdt_get_name(blob, node, NULL), "optee@", 6))
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| 			continue;
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| 
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| 		if (fdt_del_node(blob, node))
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| 			printf("Failed to remove optee reserved-memory node\n");
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| 	}
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| }
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| 
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| /*
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|  * This function is called right before the kernel is booted. "blob" is the
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|  * device tree that will be passed to the kernel.
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|  */
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| int ft_system_setup(void *blob, struct bd_info *bd)
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| {
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| 	int ret = 0;
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| 	int soc;
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| 	u32 pkg, cpu;
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| 	char name[SOC_NAME_SIZE];
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| 
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| 	soc = fdt_path_offset(blob, "/soc");
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| 	if (soc < 0)
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| 		return soc;
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| 
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| 	if (CONFIG_IS_ENABLED(STM32_ETZPC)) {
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| 		ret = stm32_fdt_fixup_etzpc(blob, soc);
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| 		if (ret)
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| 			return ret;
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| 	}
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| 
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| 	/* MPUs Part Numbers and name*/
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| 	cpu = get_cpu_type();
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| 	get_soc_name(name);
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| 
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| 	switch (cpu) {
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| 	case CPU_STM32MP151Fxx:
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| 	case CPU_STM32MP151Dxx:
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| 	case CPU_STM32MP151Cxx:
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| 	case CPU_STM32MP151Axx:
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| 		stm32_fdt_fixup_cpu(blob, name);
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| 		/* after cpu delete we can't trust the soc offsets anymore */
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| 		soc = fdt_path_offset(blob, "/soc");
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| 		stm32_fdt_disable(blob, soc, STM32_FDCAN_BASE, "can", name);
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| 		/* fall through */
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| 	case CPU_STM32MP153Fxx:
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| 	case CPU_STM32MP153Dxx:
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| 	case CPU_STM32MP153Cxx:
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| 	case CPU_STM32MP153Axx:
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| 		stm32_fdt_disable(blob, soc, STM32_GPU_BASE, "gpu", name);
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| 		stm32_fdt_disable(blob, soc, STM32_DSI_BASE, "dsi", name);
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| 		break;
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| 	default:
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| 		break;
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| 	}
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| 
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| 	switch (cpu) {
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| 	case CPU_STM32MP157Dxx:
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| 	case CPU_STM32MP157Axx:
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| 	case CPU_STM32MP153Dxx:
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| 	case CPU_STM32MP153Axx:
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| 	case CPU_STM32MP151Dxx:
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| 	case CPU_STM32MP151Axx:
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| 		stm32_fdt_disable(blob, soc, STM32_CRYP1_BASE, "cryp", name);
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| 		stm32_fdt_disable(blob, soc, STM32_CRYP2_BASE, "cryp", name);
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| 		break;
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| 	default:
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| 		break;
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| 	}
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| 
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| 	switch (get_cpu_package()) {
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| 	case PKG_AA_LBGA448:
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| 		pkg = STM32MP_PKG_AA;
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| 		break;
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| 	case PKG_AB_LBGA354:
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| 		pkg = STM32MP_PKG_AB;
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| 		break;
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| 	case PKG_AC_TFBGA361:
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| 		pkg = STM32MP_PKG_AC;
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| 		break;
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| 	case PKG_AD_TFBGA257:
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| 		pkg = STM32MP_PKG_AD;
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| 		break;
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| 	default:
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| 		pkg = 0;
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| 		break;
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| 	}
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| 	if (pkg) {
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| 		do_fixup_by_compat_u32(blob, "st,stm32mp157-pinctrl",
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| 				       "st,package", pkg, false);
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| 		do_fixup_by_compat_u32(blob, "st,stm32mp157-z-pinctrl",
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| 				       "st,package", pkg, false);
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| 	}
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| 
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| 	if (!CONFIG_IS_ENABLED(OPTEE) ||
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| 	    !tee_find_device(NULL, NULL, NULL, NULL))
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| 		stm32_fdt_disable_optee(blob);
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| 
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| 	return ret;
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| }
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