1 files changed, 0 insertions, 431 deletions
diff --git a/arch/powerpc/cpu/mpc512x/serial.c b/arch/powerpc/cpu/mpc512x/serial.c
deleted file mode 100644
index ac77ddcf4d..0000000000
--- a/arch/powerpc/cpu/mpc512x/serial.c
+++ /dev/null
@@ -1,431 +0,0 @@
-/*
- * (C) Copyright 2000 - 2010
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- *
- * Based ont the MPC5200 PSC driver.
- * Adapted for MPC512x by Jan Wrobel <wrr@semihalf.com>
- */
-
-/*
- * Minimal serial functions needed to use one of the PSC ports
- * as serial console interface.
- */
-
-#include <common.h>
-#include <linux/compiler.h>
-#include <asm/io.h>
-#include <asm/processor.h>
-#include <serial.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_PSC_CONSOLE)
-
-static void fifo_init (volatile psc512x_t *psc)
-{
-	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
-	u32 tfsize, rfsize;
-
-	/* reset Rx & Tx fifo slice */
-	out_be32(&psc->rfcmd, PSC_FIFO_RESET_SLICE);
-	out_be32(&psc->tfcmd, PSC_FIFO_RESET_SLICE);
-
-	/* disable Tx & Rx FIFO interrupts */
-	out_be32(&psc->rfintmask, 0);
-	out_be32(&psc->tfintmask, 0);
-
-	switch (((u32)psc & 0xf00) >> 8) {
-	case 0:
-		tfsize = FIFOC_PSC0_TX_SIZE | (FIFOC_PSC0_TX_ADDR << 16);
-		rfsize = FIFOC_PSC0_RX_SIZE | (FIFOC_PSC0_RX_ADDR << 16);
-		break;
-	case 1:
-		tfsize = FIFOC_PSC1_TX_SIZE | (FIFOC_PSC1_TX_ADDR << 16);
-		rfsize = FIFOC_PSC1_RX_SIZE | (FIFOC_PSC1_RX_ADDR << 16);
-		break;
-	case 2:
-		tfsize = FIFOC_PSC2_TX_SIZE | (FIFOC_PSC2_TX_ADDR << 16);
-		rfsize = FIFOC_PSC2_RX_SIZE | (FIFOC_PSC2_RX_ADDR << 16);
-		break;
-	case 3:
-		tfsize = FIFOC_PSC3_TX_SIZE | (FIFOC_PSC3_TX_ADDR << 16);
-		rfsize = FIFOC_PSC3_RX_SIZE | (FIFOC_PSC3_RX_ADDR << 16);
-		break;
-	case 4:
-		tfsize = FIFOC_PSC4_TX_SIZE | (FIFOC_PSC4_TX_ADDR << 16);
-		rfsize = FIFOC_PSC4_RX_SIZE | (FIFOC_PSC4_RX_ADDR << 16);
-		break;
-	case 5:
-		tfsize = FIFOC_PSC5_TX_SIZE | (FIFOC_PSC5_TX_ADDR << 16);
-		rfsize = FIFOC_PSC5_RX_SIZE | (FIFOC_PSC5_RX_ADDR << 16);
-		break;
-	case 6:
-		tfsize = FIFOC_PSC6_TX_SIZE | (FIFOC_PSC6_TX_ADDR << 16);
-		rfsize = FIFOC_PSC6_RX_SIZE | (FIFOC_PSC6_RX_ADDR << 16);
-		break;
-	case 7:
-		tfsize = FIFOC_PSC7_TX_SIZE | (FIFOC_PSC7_TX_ADDR << 16);
-		rfsize = FIFOC_PSC7_RX_SIZE | (FIFOC_PSC7_RX_ADDR << 16);
-		break;
-	case 8:
-		tfsize = FIFOC_PSC8_TX_SIZE | (FIFOC_PSC8_TX_ADDR << 16);
-		rfsize = FIFOC_PSC8_RX_SIZE | (FIFOC_PSC8_RX_ADDR << 16);
-		break;
-	case 9:
-		tfsize = FIFOC_PSC9_TX_SIZE | (FIFOC_PSC9_TX_ADDR << 16);
-		rfsize = FIFOC_PSC9_RX_SIZE | (FIFOC_PSC9_RX_ADDR << 16);
-		break;
-	case 10:
-		tfsize = FIFOC_PSC10_TX_SIZE | (FIFOC_PSC10_TX_ADDR << 16);
-		rfsize = FIFOC_PSC10_RX_SIZE | (FIFOC_PSC10_RX_ADDR << 16);
-		break;
-	case 11:
-		tfsize = FIFOC_PSC11_TX_SIZE | (FIFOC_PSC11_TX_ADDR << 16);
-		rfsize = FIFOC_PSC11_RX_SIZE | (FIFOC_PSC11_RX_ADDR << 16);
-		break;
-	default:
-		return;
-	}
-
-	out_be32(&psc->tfsize, tfsize);
-	out_be32(&psc->rfsize, rfsize);
-
-	/* enable Tx & Rx FIFO slice */
-	out_be32(&psc->rfcmd, PSC_FIFO_ENABLE_SLICE);
-	out_be32(&psc->tfcmd, PSC_FIFO_ENABLE_SLICE);
-
-	out_be32(&im->fifoc.fifoc_cmd, FIFOC_DISABLE_CLOCK_GATE);
-	__asm__ volatile ("sync");
-}
-
-void serial_setbrg_dev(unsigned int idx)
-{
-	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
-	volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-	unsigned long baseclk, div;
-	unsigned long baudrate;
-	char buf[16];
-	char *br_env;
-
-	baudrate = gd->baudrate;
-	if (idx != CONFIG_PSC_CONSOLE) {
-		/* Allows setting baudrate for other serial devices
-		 * on PSCx using environment. If not specified, use
-		 * the same baudrate as for console.
-		 */
-		sprintf(buf, "psc%d_baudrate", idx);
-		br_env = getenv(buf);
-		if (br_env)
-			baudrate = simple_strtoul(br_env, NULL, 10);
-
-		debug("%s: idx %d, baudrate %ld\n", __func__, idx, baudrate);
-	}
-
-	/* calculate divisor for setting PSC CTUR and CTLR registers */
-	baseclk = (gd->arch.ips_clk + 8) / 16;
-	div = (baseclk + (baudrate / 2)) / baudrate;
-
-	out_8(&psc->ctur, (div >> 8) & 0xff);
-	out_8(&psc->ctlr,  div & 0xff); /* set baudrate */
-}
-
-int serial_init_dev(unsigned int idx)
-{
-	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
-	volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-	u32 reg;
-
-	reg = in_be32(&im->clk.sccr[0]);
-	out_be32(&im->clk.sccr[0], reg | CLOCK_SCCR1_PSC_EN(idx));
-
-	fifo_init (psc);
-
-	/* set MR register to point to MR1 */
-	out_8(&psc->command, PSC_SEL_MODE_REG_1);
-
-	/* disable Tx/Rx */
-	out_8(&psc->command, PSC_TX_DISABLE | PSC_RX_DISABLE);
-
-	/* choose the prescaler	by 16 for the Tx/Rx clock generation */
-	out_be16(&psc->psc_clock_select, 0xdd00);
-
-	/* switch to UART mode */
-	out_be32(&psc->sicr, 0);
-
-	/* mode register points to mr1 */
-	/* configure parity, bit length and so on in mode register 1*/
-	out_8(&psc->mode, PSC_MODE_8_BITS | PSC_MODE_PARNONE);
-	/* now, mode register points to mr2 */
-	out_8(&psc->mode, PSC_MODE_1_STOPBIT);
-
-	/* set baudrate */
-	serial_setbrg_dev(idx);
-
-	/* disable all interrupts */
-	out_be16(&psc->psc_imr, 0);
-
-	/* reset and enable Rx/Tx */
-	out_8(&psc->command, PSC_RST_RX);
-	out_8(&psc->command, PSC_RST_TX);
-	out_8(&psc->command, PSC_RX_ENABLE | PSC_TX_ENABLE);
-
-	return 0;
-}
-
-int serial_uninit_dev(unsigned int idx)
-{
-	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
-	volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-	u32 reg;
-
-	out_8(&psc->command, PSC_RX_DISABLE | PSC_TX_DISABLE);
-	reg = in_be32(&im->clk.sccr[0]);
-	reg &= ~CLOCK_SCCR1_PSC_EN(idx);
-	out_be32(&im->clk.sccr[0], reg);
-
-	return 0;
-}
-
-void serial_putc_dev(unsigned int idx, const char c)
-{
-	volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
-	volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-
-	if (c == '\n')
-		serial_putc_dev(idx, '\r');
-
-	/* Wait for last character to go. */
-	while (!(in_be16(&psc->psc_status) & PSC_SR_TXEMP))
-		;
-
-	out_8(&psc->tfdata_8, c);
-}
-
-void serial_puts_dev(unsigned int idx, const char *s)
-{
-	while (*s)
-		serial_putc_dev(idx, *s++);
-}
-
-int serial_getc_dev(unsigned int idx)
-{
-	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
-	volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-
-	/* Wait for a character to arrive. */
-	while (in_be32(&psc->rfstat) & PSC_FIFO_EMPTY)
-		;
-
-	return in_8(&psc->rfdata_8);
-}
-
-int serial_tstc_dev(unsigned int idx)
-{
-	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
-	volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-
-	return !(in_be32(&psc->rfstat) & PSC_FIFO_EMPTY);
-}
-
-void serial_setrts_dev(unsigned int idx, int s)
-{
-	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
-	volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-
-	if (s) {
-		/* Assert RTS (become LOW) */
-		out_8(&psc->op1, 0x1);
-	}
-	else {
-		/* Negate RTS (become HIGH) */
-		out_8(&psc->op0, 0x1);
-	}
-}
-
-int serial_getcts_dev(unsigned int idx)
-{
-	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
-	volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-
-	return (in_8(&psc->ip) & 0x1) ? 0 : 1;
-}
-#endif /* CONFIG_PSC_CONSOLE */
-
-#define DECLARE_PSC_SERIAL_FUNCTIONS(port) \
-	int serial##port##_init(void) \
-	{ \
-		return serial_init_dev(port); \
-	} \
-	int serial##port##_uninit(void) \
-	{ \
-		return serial_uninit_dev(port); \
-	} \
-	void serial##port##_setbrg(void) \
-	{ \
-		serial_setbrg_dev(port); \
-	} \
-	int serial##port##_getc(void) \
-	{ \
-		return serial_getc_dev(port); \
-	} \
-	int serial##port##_tstc(void) \
-	{ \
-		return serial_tstc_dev(port); \
-	} \
-	void serial##port##_putc(const char c) \
-	{ \
-		serial_putc_dev(port, c); \
-	} \
-	void serial##port##_puts(const char *s) \
-	{ \
-		serial_puts_dev(port, s); \
-	}
-
-#define INIT_PSC_SERIAL_STRUCTURE(port, __name) {	\
-	.name	= __name,				\
-	.start	= serial##port##_init,			\
-	.stop	= serial##port##_uninit,		\
-	.setbrg	= serial##port##_setbrg,		\
-	.getc	= serial##port##_getc,			\
-	.tstc	= serial##port##_tstc,			\
-	.putc	= serial##port##_putc,			\
-	.puts	= serial##port##_puts,			\
-}
-
-#if defined(CONFIG_SYS_PSC1)
-DECLARE_PSC_SERIAL_FUNCTIONS(1);
-struct serial_device serial1_device =
-INIT_PSC_SERIAL_STRUCTURE(1, "psc1");
-#endif
-
-#if defined(CONFIG_SYS_PSC3)
-DECLARE_PSC_SERIAL_FUNCTIONS(3);
-struct serial_device serial3_device =
-INIT_PSC_SERIAL_STRUCTURE(3, "psc3");
-#endif
-
-#if defined(CONFIG_SYS_PSC4)
-DECLARE_PSC_SERIAL_FUNCTIONS(4);
-struct serial_device serial4_device =
-INIT_PSC_SERIAL_STRUCTURE(4, "psc4");
-#endif
-
-#if defined(CONFIG_SYS_PSC6)
-DECLARE_PSC_SERIAL_FUNCTIONS(6);
-struct serial_device serial6_device =
-INIT_PSC_SERIAL_STRUCTURE(6, "psc6");
-#endif
-
-__weak struct serial_device *default_serial_console(void)
-{
-#if (CONFIG_PSC_CONSOLE == 3)
-	return &serial3_device;
-#elif (CONFIG_PSC_CONSOLE == 6)
-	return &serial6_device;
-#else
-#error "invalid CONFIG_PSC_CONSOLE"
-#endif
-}
-
-void mpc512x_serial_initialize(void)
-{
-#if defined(CONFIG_SYS_PSC1)
-	serial_register(&serial1_device);
-#endif
-#if defined(CONFIG_SYS_PSC3)
-	serial_register(&serial3_device);
-#endif
-#if defined(CONFIG_SYS_PSC4)
-	serial_register(&serial4_device);
-#endif
-#if defined(CONFIG_SYS_PSC6)
-	serial_register(&serial6_device);
-#endif
-}
-
-#include <stdio_dev.h>
-/*
- * Routines for communication with serial devices over PSC
- */
-/* Bitfield for initialized PSCs */
-static unsigned int initialized;
-
-struct stdio_dev *open_port(int num, int baudrate)
-{
-	struct stdio_dev *port;
-	char env_var[16];
-	char env_val[10];
-	char name[7];
-
-	if (num < 0 || num > 11)
-		return NULL;
-
-	sprintf(name, "psc%d", num);
-	port = stdio_get_by_name(name);
-	if (!port)
-		return NULL;
-
-	if (!test_bit(num, &initialized)) {
-		sprintf(env_var, "psc%d_baudrate", num);
-		sprintf(env_val, "%d", baudrate);
-		setenv(env_var, env_val);
-
-		if (port->start(port))
-			return NULL;
-
-		set_bit(num, &initialized);
-	}
-
-	return port;
-}
-
-int close_port(int num)
-{
-	struct stdio_dev *port;
-	int ret;
-	char name[7];
-
-	if (num < 0 || num > 11)
-		return -1;
-
-	sprintf(name, "psc%d", num);
-	port = stdio_get_by_name(name);
-	if (!port)
-		return -1;
-
-	ret = port->stop(port);
-	clear_bit(num, &initialized);
-
-	return ret;
-}
-
-int write_port(struct stdio_dev *port, char *buf)
-{
-	if (!port || !buf)
-		return -1;
-
-	port->puts(port, buf);
-
-	return 0;
-}
-
-int read_port(struct stdio_dev *port, char *buf, int size)
-{
-	int cnt = 0;
-
-	if (!port || !buf)
-		return -1;
-
-	if (!size)
-		return 0;
-
-	while (port->tstc(port)) {
-		buf[cnt++] = port->getc(port);
-		if (cnt > size)
-			break;
-	}
-
-	return cnt;
-}