serial: k64: Remove the uart_k20 driver

Now that we have a more generic mcux serial driver, remove the uart_k20
driver.

Jira: ZEP-719
Change-Id: I51a3237454140feabbfe18ac2c8ee451e572c7be
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>

4 files changed, 1 insertions, 107 deletions

diff --git a/arch/arm/soc/nxp_kinetis/k6x/Makefile b/arch/arm/soc/nxp_kinetis/k6x/Makefile
index 58aa4be2d..5a808ab1e 100644
--- a/arch/arm/soc/nxp_kinetis/k6x/Makefile
+++ b/arch/arm/soc/nxp_kinetis/k6x/Makefile
@@ -1,3 +1,2 @@
-obj-y += soc_config.o
 obj-y += soc.o
 obj-y += wdog.o
diff --git a/arch/arm/soc/nxp_kinetis/k6x/soc.c b/arch/arm/soc/nxp_kinetis/k6x/soc.c
index d0f0da439..b404f6cbf 100644
--- a/arch/arm/soc/nxp_kinetis/k6x/soc.c
+++ b/arch/arm/soc/nxp_kinetis/k6x/soc.c
@@ -141,8 +141,7 @@ static ALWAYS_INLINE void clkInit(void)
  *
  * @brief Perform basic hardware initialization
  *
- * Initialize the interrupt controller device drivers and the
- * Kinetis UART device driver.
+ * Initialize the interrupt controller device drivers.
  * Also initialize the timer device driver, if required.
  *
  * @return 0
diff --git a/arch/arm/soc/nxp_kinetis/k6x/soc.h b/arch/arm/soc/nxp_kinetis/k6x/soc.h
index ab9cab3f2..4b0ff67a2 100644
--- a/arch/arm/soc/nxp_kinetis/k6x/soc.h
+++ b/arch/arm/soc/nxp_kinetis/k6x/soc.h
@@ -139,37 +139,6 @@ extern "C" {
 #include <drivers/rand32.h>
 
 /*
- * UART configuration settings
- */
-#if defined(CONFIG_UART_K20)
-
-#include <drivers/k20_pcr.h>
-
-#define UART_IRQ_FLAGS 0
-
-#define UART_K20_PORT_0_CLK_FREQ	SYSCLK_DEFAULT_IOSC_HZ
-#define UART_K20_PORT_0_BASE_ADDR	0x4006A000
-#define UART_K20_PORT_0_IRQ		IRQ_UART0_STATUS
-
-#define UART_K20_PORT_1_CLK_FREQ	SYSCLK_DEFAULT_IOSC_HZ
-#define UART_K20_PORT_1_BASE_ADDR	0x4006B000
-#define UART_K20_PORT_1_IRQ		IRQ_UART1_STATUS
-
-#define UART_K20_PORT_2_CLK_FREQ	BUSCLK_DEFAULT_IOSC_HZ
-#define UART_K20_PORT_2_BASE_ADDR	0x4006C000
-#define UART_K20_PORT_2_IRQ		IRQ_UART2_STATUS
-
-#define UART_K20_PORT_3_CLK_FREQ	BUSCLK_DEFAULT_IOSC_HZ
-#define UART_K20_PORT_3_BASE_ADDR	0x4006D000
-#define UART_K20_PORT_3_IRQ		IRQ_UART3_STATUS
-
-#define UART_K20_PORT_4_CLK_FREQ	BUSCLK_DEFAULT_IOSC_HZ
-#define UART_K20_PORT_4_BASE_ADDR	0x400EA000
-#define UART_K20_PORT_4_IRQ		IRQ_UART4_STATUS
-
-#endif /* CONFIG_UART_K20 */
-
-/*
  * PWM/FTM configuration settings
  */
 #define PWM_K64_FTM_0_REG_BASE	0x40038000
diff --git a/arch/arm/soc/nxp_kinetis/k6x/soc_config.c b/arch/arm/soc/nxp_kinetis/k6x/soc_config.c
deleted file mode 100644
index e97c7c9ed..000000000
--- a/arch/arm/soc/nxp_kinetis/k6x/soc_config.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2015 Intel Corporation.
- * Copyright (c) 2016, Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @file Board config file
- */
-
-#include <device.h>
-#include <init.h>
-
-#include <kernel.h>
-
-#include "soc.h"
-#include <fsl_common.h>
-
-#ifdef CONFIG_UART_K20
-#include <uart.h>
-#include <console/uart_console.h>
-#include <serial/uart_k20_priv.h>
-#endif /* CONFIG_UART_K20 */
-
-/*
- * UART configuration
- */
-
-#ifdef CONFIG_UART_K20
-
-static int uart_k20_init(struct device *dev)
-{
-	uint32_t scgc4;
-
-	ARG_UNUSED(dev);
-
-	/* Although it is possible to modify the bits through
-	 * *sim directly, the following code saves about 20 bytes
-	 * of ROM space, compared to direct modification.
-	 */
-	scgc4 = SIM->SCGC4;
-
-#ifdef CONFIG_UART_K20_PORT_0
-	scgc4 |= SIM_SCGC4_UART0(1);
-#endif
-
-#ifdef CONFIG_UART_K20_PORT_1
-	scgc4 |= SIM_SCGC4_UART1(1);
-#endif
-
-#ifdef CONFIG_UART_K20_PORT_2
-	scgc4 |= SIM_SCGC4_UART2(1);
-#endif
-
-#ifdef CONFIG_UART_K20_PORT_3
-	scgc4 |= SIM_SCGC4_UART3(1);
-#endif
-
-	SIM->SCGC4 = scgc4;
-
-#ifdef CONFIG_UART_K20_PORT_4
-	SIM->SCGC1 |= SIM_SCGC1_UART4(1);
-#endif
-
-	return 0;
-}
-
-DEVICE_INIT(_uart_k20_init, "", uart_k20_init,
-				NULL, NULL,
-				PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
-
-#endif /* CONFIG_UART_K20 */