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authorTom Rini <trini@ti.com>2013-12-20 11:24:07 -0500
committerTom Rini <trini@ti.com>2013-12-20 11:24:07 -0500
commit2d51bc30366a2f1df86309fe6bb572107743f9dd (patch)
treec9a28d5fbcc4a039c3103de363ec2928c27e0e10 /board/linkstation/avr.c
parentfef24f4f38eb685a6da29097930e6e49b378f8fb (diff)
downloadtalos-obmc-uboot-2d51bc30366a2f1df86309fe6bb572107743f9dd.tar.gz
talos-obmc-uboot-2d51bc30366a2f1df86309fe6bb572107743f9dd.zip
PowerPC: Drop linkstation_HGLAN support
With changes to the rtl8169 ethernet to improve cache support, we have needed additional cache functions for mpc8245. As the board maintainer has been unresponsive, remove this board. Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board/linkstation/avr.c')
-rw-r--r--board/linkstation/avr.c280
1 files changed, 0 insertions, 280 deletions
diff --git a/board/linkstation/avr.c b/board/linkstation/avr.c
deleted file mode 100644
index 62e586ba09..0000000000
--- a/board/linkstation/avr.c
+++ /dev/null
@@ -1,280 +0,0 @@
-/*
- * avr.c
- *
- * AVR functions
- *
- * Copyright (C) 2006 Mihai Georgian <u-boot@linuxnotincluded.org.uk>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-#include <common.h>
-#include <ns16550.h>
-#include <stdio_dev.h>
-
-/* Button codes from the AVR */
-#define PWRR 0x20 /* Power button release */
-#define PWRP 0x21 /* Power button push */
-#define RESR 0x22 /* Reset button release */
-#define RESP 0x23 /* Reset button push */
-#define AVRINIT 0x33 /* Init complete */
-#define AVRRESET 0x31 /* Reset request */
-
-/* LED commands */
-#define PWRBLINKSTRT '[' /* Blink power LED */
-#define PWRBLINKSTOP 'Z' /* Solid power LED */
-#define HDDLEDON 'W' /* HDD LED on */
-#define HDDLEDOFF 'V' /* HDD LED off */
-#define HDDBLINKSTRT 'Y' /* HDD LED start blink */
-#define HDDBLINKSTOP 'X' /* HDD LED stop blink */
-
-/* Timings for LEDs blinking to show choice */
-#define PULSETIME 250 /* msecs */
-#define LONGPAUSE (5 * PULSETIME)
-
-/* Button press times */
-#define PUSHHOLD 1000 /* msecs */
-#define NOBUTTON (6 * (LONGPAUSE+PULSETIME))
-
-/* Boot and console choices */
-#define MAX_BOOT_CHOICE 3
-
-static char *consoles[] = {
- "serial",
-#if defined(CONFIG_NETCONSOLE)
- "nc",
-#endif
-};
-#define MAX_CONS_CHOICE (sizeof(consoles)/sizeof(char *))
-
-#if !defined(CONFIG_NETCONSOLE)
-#define DEF_CONS_CHOICE 0
-#else
-#define DEF_CONS_CHOICE 1
-#endif
-
-#define perror(fmt, args...) printf("%s: " fmt, __FUNCTION__ , ##args)
-
-extern void miconCntl_SendCmd(unsigned char dat);
-extern void miconCntl_DisWDT(void);
-
-static int boot_stop;
-
-static int boot_choice = 1;
-static int cons_choice = DEF_CONS_CHOICE;
-
-static char envbuffer[16];
-
-void init_AVR_DUART (void)
-{
- NS16550_t AVR_port = (NS16550_t) CONFIG_SYS_NS16550_COM2;
- int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / 9600;
-
- /*
- * AVR port init sequence taken from
- * the original Linkstation init code
- * Normal U-Boot serial reinit doesn't
- * work because the AVR uses even parity
- */
- AVR_port->lcr = 0x00;
- AVR_port->ier = 0x00;
- AVR_port->lcr = UART_LCR_BKSE;
- AVR_port->dll = clock_divisor & 0xff;
- AVR_port->dlm = (clock_divisor >> 8) & 0xff;
- AVR_port->lcr = UART_LCR_WLS_8 | UART_LCR_PEN | UART_LCR_EPS;
- AVR_port->mcr = 0x00;
- AVR_port->fcr = UART_FCR_FIFO_EN | UART_FCR_RXSR | UART_FCR_TXSR;
-
- miconCntl_DisWDT();
-
- boot_stop = 0;
- miconCntl_SendCmd(PWRBLINKSTRT);
-}
-
-static inline int avr_tstc(void)
-{
- return (NS16550_tstc((NS16550_t)CONFIG_SYS_NS16550_COM2));
-}
-
-static inline char avr_getc(void)
-{
- return (NS16550_getc((NS16550_t)CONFIG_SYS_NS16550_COM2));
-}
-
-static int push_timeout(char button_code)
-{
- ulong push_start = get_timer(0);
- while (get_timer(push_start) <= PUSHHOLD)
- if (avr_tstc() && avr_getc() == button_code)
- return 0;
- return 1;
-}
-
-static void next_boot_choice(void)
-{
- ulong return_start;
- ulong pulse_start;
- int on_times;
- int button_on;
- int led_state;
- char c;
-
- button_on = 0;
- return_start = get_timer(0);
-
- on_times = boot_choice;
- led_state = 0;
- miconCntl_SendCmd(HDDLEDOFF);
- pulse_start = get_timer(0);
-
- while (get_timer(return_start) <= NOBUTTON || button_on) {
- if (avr_tstc()) {
- c = avr_getc();
- if (c == PWRP)
- button_on = 1;
- else if (c == PWRR) {
- button_on = 0;
- return_start = get_timer(0);
- if (++boot_choice > MAX_BOOT_CHOICE)
- boot_choice = 1;
- sprintf(envbuffer, "bootcmd%d", boot_choice);
- if (getenv(envbuffer)) {
- sprintf(envbuffer, "run bootcmd%d", boot_choice);
- setenv("bootcmd", envbuffer);
- }
- on_times = boot_choice;
- led_state = 1;
- miconCntl_SendCmd(HDDLEDON);
- pulse_start = get_timer(0);
- } else {
- perror("Unexpected code: 0x%02X\n", c);
- }
- }
- if (on_times && get_timer(pulse_start) > PULSETIME) {
- if (led_state == 1) {
- --on_times;
- led_state = 0;
- miconCntl_SendCmd(HDDLEDOFF);
- } else {
- led_state = 1;
- miconCntl_SendCmd(HDDLEDON);
- }
- pulse_start = get_timer(0);
- }
- if (!on_times && get_timer(pulse_start) > LONGPAUSE) {
- on_times = boot_choice;
- led_state = 1;
- miconCntl_SendCmd(HDDLEDON);
- pulse_start = get_timer(0);
- }
- }
- if (led_state)
- miconCntl_SendCmd(HDDLEDOFF);
-}
-
-void next_cons_choice(int console)
-{
- ulong return_start;
- ulong pulse_start;
- int on_times;
- int button_on;
- int led_state;
- char c;
-
- button_on = 0;
- cons_choice = console;
- return_start = get_timer(0);
-
- on_times = cons_choice+1;
- led_state = 1;
- miconCntl_SendCmd(HDDLEDON);
- pulse_start = get_timer(0);
-
- while (get_timer(return_start) <= NOBUTTON || button_on) {
- if (avr_tstc()) {
- c = avr_getc();
- if (c == RESP)
- button_on = 1;
- else if (c == RESR) {
- button_on = 0;
- return_start = get_timer(0);
- cons_choice = (cons_choice + 1) % MAX_CONS_CHOICE;
- console_assign(stdin, consoles[cons_choice]);
- console_assign(stdout, consoles[cons_choice]);
- console_assign(stderr, consoles[cons_choice]);
- on_times = cons_choice+1;
- led_state = 0;
- miconCntl_SendCmd(HDDLEDOFF);
- pulse_start = get_timer(0);
- } else {
- perror("Unexpected code: 0x%02X\n", c);
- }
- }
- if (on_times && get_timer(pulse_start) > PULSETIME) {
- if (led_state == 0) {
- --on_times;
- led_state = 1;
- miconCntl_SendCmd(HDDLEDON);
- } else {
- led_state = 0;
- miconCntl_SendCmd(HDDLEDOFF);
- }
- pulse_start = get_timer(0);
- }
- if (!on_times && get_timer(pulse_start) > LONGPAUSE) {
- on_times = cons_choice+1;
- led_state = 0;
- miconCntl_SendCmd(HDDLEDOFF);
- pulse_start = get_timer(0);
- }
- }
- if (led_state);
- miconCntl_SendCmd(HDDLEDOFF);
-}
-
-int avr_input(void)
-{
- char avr_button;
-
- if (!avr_tstc())
- return 0;
-
- avr_button = avr_getc();
- switch (avr_button) {
- case PWRP:
- if (push_timeout(PWRR)) {
- /* Timeout before power button release */
- boot_stop = ~boot_stop;
- if (boot_stop)
- miconCntl_SendCmd(PWRBLINKSTOP);
- else
- miconCntl_SendCmd(PWRBLINKSTRT);
- /* Wait for power button release */
- while (avr_getc() != PWRR)
- ;
- } else
- /* Power button released */
- next_boot_choice();
- break;
- case RESP:
- /* Wait for Reset button release */
- while (avr_getc() != RESR)
- ;
- next_cons_choice(cons_choice);
- break;
- case AVRINIT:
- return 0;
- default:
- perror("Unexpected code: 0x%02X\n", avr_button);
- return 0;
- }
- if (boot_stop)
- return (-3);
- else
- return (-2);
-}
-
-void avr_StopBoot(void)
-{
- boot_stop = ~0;
- miconCntl_SendCmd(PWRBLINKSTOP);
-}
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