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															@@ -1,177 +0,0 @@ 
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															-From 5a91c439cbeb1f64b8b9830de91efad5113d3c89 Mon Sep 17 00:00:00 2001 
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															-From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <[email protected]> 
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															-Date: Fri, 14 May 2021 15:52:11 +0200 
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															-Subject: [PATCH] fix(plat/marvell/a3720/uart): fix UART parent clock rate 
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															- determination 
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															-MIME-Version: 1.0 
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															-Content-Type: text/plain; charset=UTF-8 
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															-Content-Transfer-Encoding: 8bit 
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															- 
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															-The UART code for the A3K platform assumes that UART parent clock rate 
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															-is always 25 MHz. This is incorrect, because the xtal clock can also run 
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															-at 40 MHz (this is board specific). 
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															- 
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															-The frequency of the xtal clock is determined by a value on a strapping 
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															-pin during SOC reset. The code to determine this frequency is already in 
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															-A3K's comphy driver. 
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															- 
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															-Move the get_ref_clk() function from the comphy driver to a separate 
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															-file and use it for UART parent clock rate determination. 
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															- 
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															-Signed-off-by: Pali Rohár <[email protected]> 
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															-Change-Id: I8bb18a2d020ef18fe65aa06ffa4ab205c71be92e 
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															---- 
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															- drivers/marvell/comphy/phy-comphy-3700.c      | 24 +------------ 
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															- .../marvell/armada/a3k/common/plat_marvell.h  |  2 ++ 
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															- .../marvell/armada/a3k/common/a3700_common.mk |  1 + 
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															- .../armada/a3k/common/aarch64/a3700_clock.S   | 35 +++++++++++++++++++ 
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															- .../armada/a3k/common/include/platform_def.h  |  1 - 
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															- .../armada/common/aarch64/marvell_helpers.S   | 10 +++++- 
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															- plat/marvell/armada/common/marvell_console.c  |  1 + 
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															- 7 files changed, 49 insertions(+), 25 deletions(-) 
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															- create mode 100644 plat/marvell/armada/a3k/common/aarch64/a3700_clock.S 
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															- 
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															---- a/drivers/marvell/comphy/phy-comphy-3700.c 
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															-+++ b/drivers/marvell/comphy/phy-comphy-3700.c 
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															-@@ -14,6 +14,7 @@ 
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															-  
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															- #include <mvebu.h> 
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															- #include <mvebu_def.h> 
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															-+#include <plat_marvell.h> 
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															-  
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															- #include "phy-comphy-3700.h" 
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															- #include "phy-comphy-common.h" 
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															-@@ -29,15 +30,6 @@ 
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															- #define USB3_GBE1_PHY		(MVEBU_REGS_BASE + 0x5C000) 
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															- #define COMPHY_SD_ADDR		(MVEBU_REGS_BASE + 0x1F000) 
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															-  
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															--/* 
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															-- * Below address in used only for reading, therefore no problem with concurrent 
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															-- * Linux access. 
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															-- */ 
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															--#define MVEBU_TEST_PIN_LATCH_N (MVEBU_NB_GPIO_REG_BASE + 0x8) 
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															-- #define MVEBU_XTAL_MODE_MASK		BIT(9) 
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															-- #define MVEBU_XTAL_MODE_OFFS		9 
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															-- #define MVEBU_XTAL_CLOCK_25MHZ		0x0 
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															-- 
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															- struct sgmii_phy_init_data_fix { 
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															- 	uint16_t addr; 
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															- 	uint16_t value; 
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															-@@ -125,20 +117,6 @@ static uint16_t sgmii_phy_init[512] = { 
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															- 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000	/*1F8 */ 
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															- }; 
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															-  
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															--/* returns reference clock in MHz (25 or 40) */ 
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															--static uint32_t get_ref_clk(void) 
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															--{ 
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															--	uint32_t val; 
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															-- 
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															--	val = (mmio_read_32(MVEBU_TEST_PIN_LATCH_N) & MVEBU_XTAL_MODE_MASK) >> 
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															--		MVEBU_XTAL_MODE_OFFS; 
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															-- 
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															--	if (val == MVEBU_XTAL_CLOCK_25MHZ) 
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															--		return 25; 
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															--	else 
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															--		return 40; 
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															--} 
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															-- 
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															- /* PHY selector configures with corresponding modes */ 
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															- static void mvebu_a3700_comphy_set_phy_selector(uint8_t comphy_index, 
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															- 						uint32_t comphy_mode) 
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															---- a/include/plat/marvell/armada/a3k/common/plat_marvell.h 
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															-+++ b/include/plat/marvell/armada/a3k/common/plat_marvell.h 
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															-@@ -100,4 +100,6 @@ void plat_marvell_interconnect_enter_coh 
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															-  
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															- const mmap_region_t *plat_marvell_get_mmap(void); 
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															-  
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															-+uint32_t get_ref_clk(void); 
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															-+ 
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															- #endif /* PLAT_MARVELL_H */ 
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															---- a/plat/marvell/armada/a3k/common/a3700_common.mk 
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															-+++ b/plat/marvell/armada/a3k/common/a3700_common.mk 
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															-@@ -38,6 +38,7 @@ PLAT_INCLUDES		:=	-I$(PLAT_FAMILY_BASE)/ 
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															- 				-I$/drivers/arm/gic/common/ 
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															-  
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															- PLAT_BL_COMMON_SOURCES	:=	$(PLAT_COMMON_BASE)/aarch64/a3700_common.c \ 
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															-+				$(PLAT_COMMON_BASE)/aarch64/a3700_clock.S \ 
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															- 				$(MARVELL_DRV_BASE)/uart/a3700_console.S 
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															-  
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															- BL1_SOURCES		+=	$(PLAT_COMMON_BASE)/aarch64/plat_helpers.S \ 
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															---- /dev/null 
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															-+++ b/plat/marvell/armada/a3k/common/aarch64/a3700_clock.S 
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															-@@ -0,0 +1,35 @@ 
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															-+/* 
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															-+ * Copyright (C) 2018 Marvell International Ltd. 
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															-+ * 
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															-+ * SPDX-License-Identifier:	BSD-3-Clause 
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															-+ * https://spdx.org/licenses 
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															-+ */ 
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															-+ 
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															-+#include <asm_macros.S> 
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															-+#include <platform_def.h> 
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															-+ 
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															-+/* 
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															-+ * Below address in used only for reading, therefore no problem with concurrent 
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															-+ * Linux access. 
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															-+ */ 
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															-+#define MVEBU_TEST_PIN_LATCH_N (MVEBU_NB_GPIO_REG_BASE + 0x8) 
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															-+ #define MVEBU_XTAL_MODE_MASK		BIT(9) 
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															-+ 
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															-+	/* ----------------------------------------------------- 
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															-+	 * uint32_t get_ref_clk (void); 
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															-+	 * 
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															-+	 * returns reference clock in MHz (25 or 40) 
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															-+	 * ----------------------------------------------------- 
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															-+	 */ 
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															-+.globl	get_ref_clk 
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															-+func get_ref_clk 
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															-+	mov_imm	x0, MVEBU_TEST_PIN_LATCH_N 
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															-+	ldr	w0, [x0] 
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															-+	tst	w0, #MVEBU_XTAL_MODE_MASK 
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															-+	bne	40 
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															-+	mov	w0, #25 
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															-+	ret 
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															-+40: 
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															-+	mov	w0, #40 
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															-+	ret 
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															-+endfunc get_ref_clk 
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															---- a/plat/marvell/armada/a3k/common/include/platform_def.h 
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															-+++ b/plat/marvell/armada/a3k/common/include/platform_def.h 
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															-@@ -164,7 +164,6 @@ 
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															-  * PL011 related constants 
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															-  */ 
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															- #define PLAT_MARVELL_UART_BASE			(MVEBU_REGS_BASE + 0x12000) 
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															--#define PLAT_MARVELL_UART_CLK_IN_HZ		25000000 
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															-  
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															- #define PLAT_MARVELL_BL31_RUN_UART_BASE		PLAT_MARVELL_BOOT_UART_BASE 
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															- #define PLAT_MARVELL_BL31_RUN_UART_CLK_IN_HZ	PLAT_MARVELL_BOOT_UART_CLK_IN_HZ 
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															---- a/plat/marvell/armada/common/aarch64/marvell_helpers.S 
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															-+++ b/plat/marvell/armada/common/aarch64/marvell_helpers.S 
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															-@@ -63,8 +63,16 @@ endfunc plat_marvell_calc_core_pos 
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															- 	 * --------------------------------------------- 
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															- 	 */ 
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															- func plat_crash_console_init 
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															--	mov_imm	x0, PLAT_MARVELL_UART_BASE 
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															-+#ifdef PLAT_a3700 
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															-+	mov	x1, x30 
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															-+	bl	get_ref_clk 
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															-+	mov	x30, x1 
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															-+	mov_imm	x1, 1000000 
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															-+	mul	x1, x0, x1 
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															-+#else 
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															- 	mov_imm	x1, PLAT_MARVELL_UART_CLK_IN_HZ 
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															-+#endif 
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															-+	mov_imm	x0, PLAT_MARVELL_UART_BASE 
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															- 	mov_imm	x2, MARVELL_CONSOLE_BAUDRATE 
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															- #ifdef PLAT_a3700 
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															- 	b	console_a3700_core_init 
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															---- a/plat/marvell/armada/common/marvell_console.c 
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															-+++ b/plat/marvell/armada/common/marvell_console.c 
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															-@@ -14,6 +14,7 @@ 
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															-  
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															- #ifdef PLAT_a3700 
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															- #include <drivers/marvell/uart/a3700_console.h> 
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															-+#define PLAT_MARVELL_UART_CLK_IN_HZ (get_ref_clk() * 1000000) 
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															- #define console_marvell_register console_a3700_register 
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															- #else 
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															- #include <drivers/ti/uart/uart_16550.h> 
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