soc/marvell/armada38x: Remove unused SoC armada38x

No mainboard is actually using this SoC. Remove the code for this SoC
for now.

BUG=b:38430839

Change-Id: Ia35986dffda8bbd76305ef5abab6ae81cc154b0f
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19824
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 0 insertions, 152 deletions

diff --git a/src/soc/marvell/armada38x/uart.c b/src/soc/marvell/armada38x/uart.c
deleted file mode 100644
index c2800d0543..0000000000
--- a/src/soc/marvell/armada38x/uart.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2015 Google Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <arch/io.h>
-#include <console/uart.h>
-#include <console/console.h>
-#include <drivers/uart/uart8250reg.h>
-#include <boot/coreboot_tables.h>
-#include <stdint.h>
-#include <assert.h>
-#include <soc/common.h>
-#include <soc/clock.h>
-
-struct armada38x_uart {
-	union {
-		uint32_t thr; // Transmit holding register.
-		uint32_t rbr; // Receive buffer register.
-		uint32_t dll; // Divisor latch lsb.
-	};
-	union {
-		uint32_t ier; // Interrupt enable register.
-		uint32_t dlm; // Divisor latch msb.
-	};
-	union {
-		uint32_t iir; // Interrupt identification register.
-		uint32_t fcr; // FIFO control register.
-	};
-	uint32_t lcr; // Line control register.
-	uint32_t mcr; // Modem control register.
-	uint32_t lsr; // Line status register.
-	uint32_t msr; // Modem status register.
-} __attribute__ ((packed));
-
-static void armada38x_uart_tx_flush(struct armada38x_uart *uart_ptr);
-static int armada38x_uart_tst_byte(struct armada38x_uart *uart_ptr);
-
-static void armada38x_uart_init(struct armada38x_uart *uart_ptr)
-{
-	const uint8_t line_config = UART8250_LCR_WLS_8;
-	uint16_t divisor = (u16) uart_baudrate_divisor(default_baudrate(),
-		uart_platform_refclk(), 16);
-
-	armada38x_uart_tx_flush(uart_ptr);
-	// Disable interrupts.
-	write8(&uart_ptr->ier, 0);
-	// Enable access to divisor latches.
-	write8(&uart_ptr->lcr, UART8250_LCR_DLAB);
-	// Set the divisor.
-	write8(&uart_ptr->dll, divisor & 0xff);
-	write8(&uart_ptr->dlm, (divisor >> 8) & 0xff);
-	// Hide divisor latches and program line config.
-	write8(&uart_ptr->lcr, line_config);
-	// Enable FIFOs, and clear receive and transmit.
-	write8(&uart_ptr->fcr, UART8250_FCR_FIFO_EN | UART8250_FCR_CLEAR_RCVR |
-				   UART8250_FCR_CLEAR_XMIT);
-}
-
-static void armada38x_uart_tx_byte(struct armada38x_uart *uart_ptr,
-					unsigned char data)
-{
-	while (!(read8(&uart_ptr->lsr) & UART8250_LSR_THRE))
-		;
-	write8(&uart_ptr->thr, data);
-}
-
-static void armada38x_uart_tx_flush(struct armada38x_uart *uart_ptr)
-{
-	while (!(read8(&uart_ptr->lsr) & UART8250_LSR_TEMT))
-		;
-}
-
-static unsigned char armada38x_uart_rx_byte(struct armada38x_uart *uart_ptr)
-{
-	if (!armada38x_uart_tst_byte(uart_ptr))
-		return 0;
-	return read8(&uart_ptr->rbr);
-}
-
-static int armada38x_uart_tst_byte(struct armada38x_uart *uart_ptr)
-{
-	return (read8(&uart_ptr->lsr) & UART8250_LSR_DR) == UART8250_LSR_DR;
-}
-
-unsigned int uart_platform_refclk(void)
-{
-	return mv_tclk_get();
-}
-
-uintptr_t uart_platform_base(int idx)
-{
-	/* Default to UART 0 */
-	unsigned int base = CONFIG_CONSOLE_SERIAL_UART_ADDRESS;
-
-	assert((idx >= 0) && (idx < 2));
-	base += idx * 0x100;
-	return base;
-}
-
-void uart_init(int idx)
-{
-	struct armada38x_uart *uart_ptr = uart_platform_baseptr(idx);
-
-	armada38x_uart_init(uart_ptr);
-}
-
-void uart_tx_byte(int idx, unsigned char data)
-{
-	struct armada38x_uart *uart_ptr = uart_platform_baseptr(idx);
-
-	armada38x_uart_tx_byte(uart_ptr, data);
-}
-
-void uart_tx_flush(int idx)
-{
-	struct armada38x_uart *uart_ptr = uart_platform_baseptr(idx);
-
-	armada38x_uart_tx_flush(uart_ptr);
-}
-
-unsigned char uart_rx_byte(int idx)
-{
-	struct armada38x_uart *uart_ptr = uart_platform_baseptr(idx);
-
-	return armada38x_uart_rx_byte(uart_ptr);
-}
-
-#if ENV_RAMSTAGE
-void uart_fill_lb(void *data)
-{
-	struct lb_serial serial;
-
-	serial.type = LB_SERIAL_TYPE_MEMORY_MAPPED;
-	serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
-	serial.baud = default_baudrate();
-	serial.regwidth = 4;
-	lb_add_serial(&serial, data);
-
-	lb_add_console(LB_TAG_CONSOLE_SERIAL8250MEM, data);
-}
-#endif