There are no boards using this driver and it has not been converted to driver model. Drop it.
Signed-off-by: Simon Glass sjg@chromium.org ---
doc/driver-model/serial-howto.txt | 1 - drivers/serial/Makefile | 1 - drivers/serial/serial_pxa.c | 299 -------------------------------------- scripts/config_whitelist.txt | 1 - 4 files changed, 302 deletions(-) delete mode 100644 drivers/serial/serial_pxa.c
diff --git a/doc/driver-model/serial-howto.txt b/doc/driver-model/serial-howto.txt index cddfb9f..ed846e5 100644 --- a/doc/driver-model/serial-howto.txt +++ b/doc/driver-model/serial-howto.txt @@ -6,7 +6,6 @@ ones remain:
mcfuart.c serial_bfin.c - serial_pxa.c serial_s3c24x0.c
The deadline for this work was the end of January 2016. If no one steps diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 21b1292..0c75718 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -26,7 +26,6 @@ obj-$(CONFIG_MCFUART) += mcfuart.o obj-$(CONFIG_SYS_NS16550) += ns16550.o obj-$(CONFIG_S5P) += serial_s5p.o obj-$(CONFIG_MXC_UART) += serial_mxc.o -obj-$(CONFIG_PXA_SERIAL) += serial_pxa.o obj-$(CONFIG_MESON_SERIAL) += serial_meson.o ifdef CONFIG_SPL_BUILD obj-$(CONFIG_ROCKCHIP_SERIAL) += serial_rockchip.o diff --git a/drivers/serial/serial_pxa.c b/drivers/serial/serial_pxa.c deleted file mode 100644 index 1eb19ec..0000000 --- a/drivers/serial/serial_pxa.c +++ /dev/null @@ -1,299 +0,0 @@ -/* - * Copyright (C) 2011 Marek Vasut marek.vasut@gmail.com - * - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger mgroeger@sysgo.de - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke azu@sysgo.de - * - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/arch/pxa-regs.h> -#include <asm/arch/regs-uart.h> -#include <asm/io.h> -#include <linux/compiler.h> -#include <serial.h> -#include <watchdog.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* - * The numbering scheme differs here for PXA25x, PXA27x and PXA3xx so we can - * easily handle enabling of clock. - */ -#ifdef CONFIG_CPU_MONAHANS -#define UART_CLK_BASE CKENA_21_BTUART -#define UART_CLK_REG CKENA -#define BTUART_INDEX 0 -#define FFUART_INDEX 1 -#define STUART_INDEX 2 -#elif CONFIG_CPU_PXA25X -#define UART_CLK_BASE (1 << 4) /* HWUART */ -#define UART_CLK_REG CKEN -#define HWUART_INDEX 0 -#define STUART_INDEX 1 -#define FFUART_INDEX 2 -#define BTUART_INDEX 3 -#else /* PXA27x */ -#define UART_CLK_BASE CKEN5_STUART -#define UART_CLK_REG CKEN -#define STUART_INDEX 0 -#define FFUART_INDEX 1 -#define BTUART_INDEX 2 -#endif - -/* - * Only PXA250 has HWUART, to avoid poluting the code with more macros, - * artificially introduce this. - */ -#ifndef CONFIG_CPU_PXA25X -#define HWUART_INDEX 0xff -#endif - -static uint32_t pxa_uart_get_baud_divider(void) -{ - if (gd->baudrate == 1200) - return 768; - else if (gd->baudrate == 9600) - return 96; - else if (gd->baudrate == 19200) - return 48; - else if (gd->baudrate == 38400) - return 24; - else if (gd->baudrate == 57600) - return 16; - else if (gd->baudrate == 115200) - return 8; - else /* Unsupported baudrate */ - return 0; -} - -static struct pxa_uart_regs *pxa_uart_index_to_regs(uint32_t uart_index) -{ - switch (uart_index) { - case FFUART_INDEX: return (struct pxa_uart_regs *)FFUART_BASE; - case BTUART_INDEX: return (struct pxa_uart_regs *)BTUART_BASE; - case STUART_INDEX: return (struct pxa_uart_regs *)STUART_BASE; - case HWUART_INDEX: return (struct pxa_uart_regs *)HWUART_BASE; - default: - return NULL; - } -} - -static void pxa_uart_toggle_clock(uint32_t uart_index, int enable) -{ - uint32_t clk_reg, clk_offset, reg; - - clk_reg = UART_CLK_REG; - clk_offset = UART_CLK_BASE << uart_index; - - reg = readl(clk_reg); - - if (enable) - reg |= clk_offset; - else - reg &= ~clk_offset; - - writel(reg, clk_reg); -} - -/* - * Enable clock and set baud rate, parity etc. - */ -void pxa_setbrg_dev(uint32_t uart_index) -{ - uint32_t divider = 0; - struct pxa_uart_regs *uart_regs; - - divider = pxa_uart_get_baud_divider(); - if (!divider) - hang(); - - uart_regs = pxa_uart_index_to_regs(uart_index); - if (!uart_regs) - hang(); - - pxa_uart_toggle_clock(uart_index, 1); - - /* Disable interrupts and FIFOs */ - writel(0, &uart_regs->ier); - writel(0, &uart_regs->fcr); - - /* Set baud rate */ - writel(LCR_WLS0 | LCR_WLS1 | LCR_DLAB, &uart_regs->lcr); - writel(divider & 0xff, &uart_regs->dll); - writel(divider >> 8, &uart_regs->dlh); - writel(LCR_WLS0 | LCR_WLS1, &uart_regs->lcr); - - /* Enable UART */ - writel(IER_UUE, &uart_regs->ier); -} - -/* - * Initialise the serial port with the given baudrate. The settings - * are always 8 data bits, no parity, 1 stop bit, no start bits. - */ -int pxa_init_dev(unsigned int uart_index) -{ - pxa_setbrg_dev (uart_index); - return 0; -} - -/* - * Output a single byte to the serial port. - */ -void pxa_putc_dev(unsigned int uart_index, const char c) -{ - struct pxa_uart_regs *uart_regs; - - /* If \n, also do \r */ - if (c == '\n') - pxa_putc_dev(uart_index, '\r'); - - uart_regs = pxa_uart_index_to_regs(uart_index); - if (!uart_regs) - hang(); - - while (!(readl(&uart_regs->lsr) & LSR_TEMT)) - WATCHDOG_RESET(); - writel(c, &uart_regs->thr); -} - -/* - * Read a single byte from the serial port. Returns 1 on success, 0 - * otherwise. When the function is succesfull, the character read is - * written into its argument c. - */ -int pxa_tstc_dev(unsigned int uart_index) -{ - struct pxa_uart_regs *uart_regs; - - uart_regs = pxa_uart_index_to_regs(uart_index); - if (!uart_regs) - return -1; - - return readl(&uart_regs->lsr) & LSR_DR; -} - -/* - * Read a single byte from the serial port. Returns 1 on success, 0 - * otherwise. When the function is succesfull, the character read is - * written into its argument c. - */ -int pxa_getc_dev(unsigned int uart_index) -{ - struct pxa_uart_regs *uart_regs; - - uart_regs = pxa_uart_index_to_regs(uart_index); - if (!uart_regs) - return -1; - - while (!(readl(&uart_regs->lsr) & LSR_DR)) - WATCHDOG_RESET(); - return readl(&uart_regs->rbr) & 0xff; -} - -void pxa_puts_dev(unsigned int uart_index, const char *s) -{ - while (*s) - pxa_putc_dev(uart_index, *s++); -} - -#define pxa_uart(uart, UART) \ - int uart##_init(void) \ - { \ - return pxa_init_dev(UART##_INDEX); \ - } \ - \ - void uart##_setbrg(void) \ - { \ - return pxa_setbrg_dev(UART##_INDEX); \ - } \ - \ - void uart##_putc(const char c) \ - { \ - return pxa_putc_dev(UART##_INDEX, c); \ - } \ - \ - void uart##_puts(const char *s) \ - { \ - return pxa_puts_dev(UART##_INDEX, s); \ - } \ - \ - int uart##_getc(void) \ - { \ - return pxa_getc_dev(UART##_INDEX); \ - } \ - \ - int uart##_tstc(void) \ - { \ - return pxa_tstc_dev(UART##_INDEX); \ - } \ - -#define pxa_uart_desc(uart) \ - struct serial_device serial_##uart##_device = \ - { \ - .name = "serial_"#uart, \ - .start = uart##_init, \ - .stop = NULL, \ - .setbrg = uart##_setbrg, \ - .getc = uart##_getc, \ - .tstc = uart##_tstc, \ - .putc = uart##_putc, \ - .puts = uart##_puts, \ - }; - -#define pxa_uart_multi(uart, UART) \ - pxa_uart(uart, UART) \ - pxa_uart_desc(uart) - -#if defined(CONFIG_HWUART) - pxa_uart_multi(hwuart, HWUART) -#endif -#if defined(CONFIG_STUART) - pxa_uart_multi(stuart, STUART) -#endif -#if defined(CONFIG_FFUART) - pxa_uart_multi(ffuart, FFUART) -#endif -#if defined(CONFIG_BTUART) - pxa_uart_multi(btuart, BTUART) -#endif - -__weak struct serial_device *default_serial_console(void) -{ -#if CONFIG_CONS_INDEX == 1 - return &serial_hwuart_device; -#elif CONFIG_CONS_INDEX == 2 - return &serial_stuart_device; -#elif CONFIG_CONS_INDEX == 3 - return &serial_ffuart_device; -#elif CONFIG_CONS_INDEX == 4 - return &serial_btuart_device; -#else -#error "Bad CONFIG_CONS_INDEX." -#endif -} - -void pxa_serial_initialize(void) -{ -#if defined(CONFIG_FFUART) - serial_register(&serial_ffuart_device); -#endif -#if defined(CONFIG_BTUART) - serial_register(&serial_btuart_device); -#endif -#if defined(CONFIG_STUART) - serial_register(&serial_stuart_device); -#endif -} diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt index 2c10c0b..4d42fc5 100644 --- a/scripts/config_whitelist.txt +++ b/scripts/config_whitelist.txt @@ -3751,7 +3751,6 @@ CONFIG_PWM_IMX CONFIG_PXA_LCD CONFIG_PXA_MMC_GENERIC CONFIG_PXA_PWR_I2C -CONFIG_PXA_SERIAL CONFIG_PXA_STD_I2C CONFIG_PXA_VGA CONFIG_PXA_VIDEO