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Diffstat (limited to 'board/rbc823/kbd.c')
-rw-r--r--board/rbc823/kbd.c269
1 files changed, 0 insertions, 269 deletions
diff --git a/board/rbc823/kbd.c b/board/rbc823/kbd.c
deleted file mode 100644
index c27929dcd3..0000000000
--- a/board/rbc823/kbd.c
+++ /dev/null
@@ -1,269 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/* Modified by Udi Finkelstein
- *
- * This file includes communication routines for SMC1 that can run even if
- * SMC2 have already been initialized.
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <commproc.h>
-#include <devices.h>
-#include <lcd.h>
-
-#define SMC_INDEX 0
-#define PROFF_SMC PROFF_SMC1
-#define CPM_CR_CH_SMC CPM_CR_CH_SMC1
-
-#define RBC823_KBD_BAUDRATE 38400
-#define CPM_KEYBOARD_BASE 0x1000
-/*
- * Minimal serial functions needed to use one of the SMC ports
- * as serial console interface.
- */
-
-void smc1_setbrg (void)
-{
- DECLARE_GLOBAL_DATA_PTR;
-
- volatile immap_t *im = (immap_t *)CFG_IMMR;
- volatile cpm8xx_t *cp = &(im->im_cpm);
-
- /* Set up the baud rate generator.
- * See 8xx_io/commproc.c for details.
- *
- * Wire BRG2 to SMC1, BRG1 to SMC2
- */
-
- cp->cp_simode = 0x00001000;
-
- cp->cp_brgc2 =
- (((gd->cpu_clk / 16 / RBC823_KBD_BAUDRATE)-1) << 1) | CPM_BRG_EN;
-}
-
-int smc1_init (void)
-{
- volatile immap_t *im = (immap_t *)CFG_IMMR;
- volatile smc_t *sp;
- volatile smc_uart_t *up;
- volatile cbd_t *tbdf, *rbdf;
- volatile cpm8xx_t *cp = &(im->im_cpm);
- uint dpaddr;
-
- /* initialize pointers to SMC */
-
- sp = (smc_t *) &(cp->cp_smc[SMC_INDEX]);
- up = (smc_uart_t *) &cp->cp_dparam[PROFF_SMC];
-
- /* Disable transmitter/receiver.
- */
- sp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
-
- /* Enable SDMA.
- */
- im->im_siu_conf.sc_sdcr = 1;
-
- /* clear error conditions */
-#ifdef CFG_SDSR
- im->im_sdma.sdma_sdsr = CFG_SDSR;
-#else
- im->im_sdma.sdma_sdsr = 0x83;
-#endif
-
- /* clear SDMA interrupt mask */
-#ifdef CFG_SDMR
- im->im_sdma.sdma_sdmr = CFG_SDMR;
-#else
- im->im_sdma.sdma_sdmr = 0x00;
-#endif
-
- /* Use Port B for SMC1 instead of other functions.
- */
- cp->cp_pbpar |= 0x000000c0;
- cp->cp_pbdir &= ~0x000000c0;
- cp->cp_pbodr &= ~0x000000c0;
-
- /* Set the physical address of the host memory buffers in
- * the buffer descriptors.
- */
-
-#ifdef CFG_ALLOC_DPRAM
- dpaddr = dpram_alloc_align (sizeof(cbd_t)*2 + 2, 8) ;
-#else
- dpaddr = CPM_KEYBOARD_BASE ;
-#endif
-
- /* Allocate space for two buffer descriptors in the DP ram.
- * For now, this address seems OK, but it may have to
- * change with newer versions of the firmware.
- * damm: allocating space after the two buffers for rx/tx data
- */
-
- rbdf = (cbd_t *)&cp->cp_dpmem[dpaddr];
- rbdf->cbd_bufaddr = (uint) (rbdf+2);
- rbdf->cbd_sc = 0;
- tbdf = rbdf + 1;
- tbdf->cbd_bufaddr = ((uint) (rbdf+2)) + 1;
- tbdf->cbd_sc = 0;
-
- /* Set up the uart parameters in the parameter ram.
- */
- up->smc_rbase = dpaddr;
- up->smc_tbase = dpaddr+sizeof(cbd_t);
- up->smc_rfcr = SMC_EB;
- up->smc_tfcr = SMC_EB;
-
- /* Set UART mode, 8 bit, no parity, one stop.
- * Enable receive and transmit.
- */
- sp->smc_smcmr = smcr_mk_clen(9) | SMCMR_SM_UART;
-
- /* Mask all interrupts and remove anything pending.
- */
- sp->smc_smcm = 0;
- sp->smc_smce = 0xff;
-
- /* Set up the baud rate generator.
- */
- smc1_setbrg ();
-
- /* Make the first buffer the only buffer.
- */
- tbdf->cbd_sc |= BD_SC_WRAP;
- rbdf->cbd_sc |= BD_SC_EMPTY | BD_SC_WRAP;
-
- /* Single character receive.
- */
- up->smc_mrblr = 1;
- up->smc_maxidl = 0;
-
- /* Initialize Tx/Rx parameters.
- */
-
- while (cp->cp_cpcr & CPM_CR_FLG) /* wait if cp is busy */
- ;
-
- cp->cp_cpcr = mk_cr_cmd(CPM_CR_CH_SMC, CPM_CR_INIT_TRX) | CPM_CR_FLG;
-
- while (cp->cp_cpcr & CPM_CR_FLG) /* wait if cp is busy */
- ;
-
- /* Enable transmitter/receiver.
- */
- sp->smc_smcmr |= SMCMR_REN | SMCMR_TEN;
-
- return (0);
-}
-
-void smc1_putc(const char c)
-{
- volatile cbd_t *tbdf;
- volatile char *buf;
- volatile smc_uart_t *up;
- volatile immap_t *im = (immap_t *)CFG_IMMR;
- volatile cpm8xx_t *cpmp = &(im->im_cpm);
-
- up = (smc_uart_t *)&cpmp->cp_dparam[PROFF_SMC];
-
- tbdf = (cbd_t *)&cpmp->cp_dpmem[up->smc_tbase];
-
- /* Wait for last character to go.
- */
-
- buf = (char *)tbdf->cbd_bufaddr;
-
- *buf = c;
- tbdf->cbd_datlen = 1;
- tbdf->cbd_sc |= BD_SC_READY;
- __asm__("eieio");
-
- while (tbdf->cbd_sc & BD_SC_READY) {
- WATCHDOG_RESET ();
- __asm__("eieio");
- }
-}
-
-int smc1_getc(void)
-{
- volatile cbd_t *rbdf;
- volatile unsigned char *buf;
- volatile smc_uart_t *up;
- volatile immap_t *im = (immap_t *)CFG_IMMR;
- volatile cpm8xx_t *cpmp = &(im->im_cpm);
- unsigned char c;
-
- up = (smc_uart_t *)&cpmp->cp_dparam[PROFF_SMC];
-
- rbdf = (cbd_t *)&cpmp->cp_dpmem[up->smc_rbase];
-
- /* Wait for character to show up.
- */
- buf = (unsigned char *)rbdf->cbd_bufaddr;
-
- while (rbdf->cbd_sc & BD_SC_EMPTY)
- WATCHDOG_RESET ();
-
- c = *buf;
- rbdf->cbd_sc |= BD_SC_EMPTY;
-
- return(c);
-}
-
-int smc1_tstc(void)
-{
- volatile cbd_t *rbdf;
- volatile smc_uart_t *up;
- volatile immap_t *im = (immap_t *)CFG_IMMR;
- volatile cpm8xx_t *cpmp = &(im->im_cpm);
-
- up = (smc_uart_t *)&cpmp->cp_dparam[PROFF_SMC];
-
- rbdf = (cbd_t *)&cpmp->cp_dpmem[up->smc_rbase];
-
- return(!(rbdf->cbd_sc & BD_SC_EMPTY));
-}
-
-/* search for keyboard and register it if found */
-int drv_keyboard_init(void)
-{
- int error = 0;
- device_t kbd_dev;
-
- if (0) {
- /* register the keyboard */
- memset (&kbd_dev, 0, sizeof(device_t));
- strcpy(kbd_dev.name, "kbd");
- kbd_dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
- kbd_dev.putc = NULL;
- kbd_dev.puts = NULL;
- kbd_dev.getc = smc1_getc;
- kbd_dev.tstc = smc1_tstc;
- error = device_register (&kbd_dev);
- } else {
- lcd_is_enabled = 0;
- lcd_disable();
- }
- return error;
-}
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