This driver is unused. Remove it.
Signed-off-by: Tom Rini <tr...@konsulko.com>
---
drivers/serial/Kconfig | 7 -
drivers/serial/Makefile | 1 -
drivers/serial/serial_linflexuart.c | 216 ----------------------------
3 files changed, 224 deletions(-)
delete mode 100644 drivers/serial/serial_linflexuart.c
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index d7d59e02dd0a..bc05d2f15085 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -730,13 +730,6 @@ config CORTINA_UART
Select this to enable UART support for Cortina-Access UART devices
found on CAxxxx SoCs.
-config FSL_LINFLEXUART
- bool "Freescale Linflex UART support"
- depends on DM_SERIAL
- help
- Select this to enable the Linflex serial module found on some
- NXP SoCs like S32V234.
-
config FSL_LPUART
bool "Freescale LPUART support"
depends on MACH_IMX || ARCH_LS1021A || ARCH_LS1028A
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index c32e3fcd439b..8eaae62b0fc4 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -36,7 +36,6 @@ obj-$(CONFIG_SCIF_CONSOLE) += serial_sh.o
obj-$(CONFIG_SEMIHOSTING_SERIAL) += serial_semihosting.o
obj-$(CONFIG_ZYNQ_SERIAL) += serial_zynq.o
obj-$(CONFIG_FSL_LPUART) += serial_lpuart.o
-obj-$(CONFIG_FSL_LINFLEXUART) += serial_linflexuart.o
obj-$(CONFIG_ARC_SERIAL) += serial_arc.o
obj-$(CONFIG_UNIPHIER_SERIAL) += serial_uniphier.o
obj-$(CONFIG_STM32_SERIAL) += serial_stm32.o
diff --git a/drivers/serial/serial_linflexuart.c
b/drivers/serial/serial_linflexuart.c
deleted file mode 100644
index 24ecb236d516..000000000000
--- a/drivers/serial/serial_linflexuart.c
+++ /dev/null
@@ -1,216 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2013-2016 Freescale Semiconductor, Inc.
- */
-
-#include <dm.h>
-#include <errno.h>
-#include <watchdog.h>
-#include <asm/global_data.h>
-#include <asm/io.h>
-#include <serial.h>
-#include <linux/compiler.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/clock.h>
-
-#define US1_TDRE (1 << 7)
-#define US1_RDRF (1 << 5)
-#define UC2_TE (1 << 3)
-#define LINCR1_INIT (1 << 0)
-#define LINCR1_MME (1 << 4)
-#define LINCR1_BF (1 << 7)
-#define LINSR_LINS_INITMODE (0x00001000)
-#define LINSR_LINS_MASK (0x0000F000)
-#define UARTCR_UART (1 << 0)
-#define UARTCR_WL0 (1 << 1)
-#define UARTCR_PCE (1 << 2)
-#define UARTCR_PC0 (1 << 3)
-#define UARTCR_TXEN (1 << 4)
-#define UARTCR_RXEN (1 << 5)
-#define UARTCR_PC1 (1 << 6)
-#define UARTSR_DTF (1 << 1)
-#define UARTSR_DRF (1 << 2)
-#define UARTSR_RMB (1 << 9)
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static void _linflex_serial_setbrg(struct linflex_fsl *base, int baudrate)
-{
- u32 clk = mxc_get_clock(MXC_UART_CLK);
- u32 ibr, fbr;
-
- if (!baudrate)
- baudrate = CONFIG_BAUDRATE;
-
- ibr = (u32) (clk / (16 * gd->baudrate));
- fbr = (u32) (clk % (16 * gd->baudrate)) * 16;
-
- __raw_writel(ibr, &base->linibrr);
- __raw_writel(fbr, &base->linfbrr);
-}
-
-static int _linflex_serial_getc(struct linflex_fsl *base)
-{
- char c;
-
- if (!(__raw_readb(&base->uartsr) & UARTSR_DRF))
- return -EAGAIN;
-
- if (!(__raw_readl(&base->uartsr) & UARTSR_RMB))
- return -EAGAIN;
-
- c = __raw_readl(&base->bdrm);
- __raw_writeb((__raw_readb(&base->uartsr) | (UARTSR_DRF | UARTSR_RMB)),
- &base->uartsr);
- return c;
-}
-
-static int _linflex_serial_putc(struct linflex_fsl *base, const char c)
-{
- __raw_writeb(c, &base->bdrl);
-
- if (!(__raw_readb(&base->uartsr) & UARTSR_DTF))
- return -EAGAIN;
-
- __raw_writeb((__raw_readb(&base->uartsr) | UARTSR_DTF), &base->uartsr);
-
- return 0;
-}
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- */
-static int _linflex_serial_init(struct linflex_fsl *base)
-{
- volatile u32 ctrl;
-
- /* set the Linflex in master mode amd activate by-pass filter */
- ctrl = LINCR1_BF | LINCR1_MME;
- __raw_writel(ctrl, &base->lincr1);
-
- /* init mode */
- ctrl |= LINCR1_INIT;
- __raw_writel(ctrl, &base->lincr1);
-
- /* waiting for init mode entry - TODO: add a timeout */
- while ((__raw_readl(&base->linsr) & LINSR_LINS_MASK) !=
- LINSR_LINS_INITMODE);
-
- /* set UART bit to allow writing other bits */
- __raw_writel(UARTCR_UART, &base->uartcr);
-
- /* provide data bits, parity, stop bit, etc */
- serial_setbrg();
-
- /* 8 bit data, no parity, Tx and Rx enabled, UART mode */
- __raw_writel(UARTCR_PC1 | UARTCR_RXEN | UARTCR_TXEN | UARTCR_PC0
- | UARTCR_WL0 | UARTCR_UART, &base->uartcr);
-
- ctrl = __raw_readl(&base->lincr1);
- ctrl &= ~LINCR1_INIT;
- __raw_writel(ctrl, &base->lincr1); /* end init mode */
-
- return 0;
-}
-
-struct linflex_serial_plat {
- struct linflex_fsl *base_addr;
- u8 port_id; /* do we need this? */
-};
-
-struct linflex_serial_priv {
- struct linflex_fsl *lfuart;
-};
-
-int linflex_serial_setbrg(struct udevice *dev, int baudrate)
-{
- struct linflex_serial_priv *priv = dev_get_priv(dev);
-
- _linflex_serial_setbrg(priv->lfuart, baudrate);
-
- return 0;
-}
-
-static int linflex_serial_getc(struct udevice *dev)
-{
- struct linflex_serial_priv *priv = dev_get_priv(dev);
-
- return _linflex_serial_getc(priv->lfuart);
-}
-
-static int linflex_serial_putc(struct udevice *dev, const char ch)
-{
-
- struct linflex_serial_priv *priv = dev_get_priv(dev);
-
- return _linflex_serial_putc(priv->lfuart, ch);
-}
-
-static int linflex_serial_pending(struct udevice *dev, bool input)
-{
- struct linflex_serial_priv *priv = dev_get_priv(dev);
- uint32_t uartsr = __raw_readl(&priv->lfuart->uartsr);
-
- if (input)
- return ((uartsr & UARTSR_DRF) && (uartsr & UARTSR_RMB)) ? 1 : 0;
- else
- return uartsr & UARTSR_DTF ? 0 : 1;
-}
-
-static void linflex_serial_init_internal(struct linflex_fsl *lfuart)
-{
- _linflex_serial_init(lfuart);
- _linflex_serial_setbrg(lfuart, CONFIG_BAUDRATE);
- return;
-}
-
-static int linflex_serial_probe(struct udevice *dev)
-{
- struct linflex_serial_plat *plat = dev_get_plat(dev);
- struct linflex_serial_priv *priv = dev_get_priv(dev);
-
- priv->lfuart = (struct linflex_fsl *)plat->base_addr;
- linflex_serial_init_internal(priv->lfuart);
-
- return 0;
-}
-
-static const struct dm_serial_ops linflex_serial_ops = {
- .putc = linflex_serial_putc,
- .pending = linflex_serial_pending,
- .getc = linflex_serial_getc,
- .setbrg = linflex_serial_setbrg,
-};
-
-U_BOOT_DRIVER(serial_linflex) = {
- .name = "serial_linflex",
- .id = UCLASS_SERIAL,
- .probe = linflex_serial_probe,
- .ops = &linflex_serial_ops,
- .flags = DM_FLAG_PRE_RELOC,
- .priv_auto = sizeof(struct linflex_serial_priv),
-};
-
-#ifdef CONFIG_DEBUG_UART_LINFLEXUART
-
-#include <debug_uart.h>
-
-static inline void _debug_uart_init(void)
-{
- struct linflex_fsl *base = (struct linflex_fsl
*)CONFIG_VAL(DEBUG_UART_BASE);
-
- linflex_serial_init_internal(base);
-}
-
-static inline void _debug_uart_putc(int ch)
-{
- struct linflex_fsl *base = (struct linflex_fsl
*)CONFIG_VAL(DEBUG_UART_BASE);
-
- /* XXX: Is this OK? Should this use the non-DM version? */
- _linflex_serial_putc(base, ch);
-}
-
-DEBUG_UART_FUNCS
-
-#endif /* CONFIG_DEBUG_UART_LINFLEXUART */
--
2.43.0
