diff options
Diffstat (limited to 'board/esd/tasreg/tasreg.c')
| -rw-r--r-- | board/esd/tasreg/tasreg.c | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/board/esd/tasreg/tasreg.c b/board/esd/tasreg/tasreg.c deleted file mode 100644 index 09a90ed..0000000 --- a/board/esd/tasreg/tasreg.c +++ /dev/null @@ -1,432 +0,0 @@ -/* - * (C) Copyright 2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <malloc.h> -#include <asm/m5249.h> -#include <asm/io.h> - - -/* Prototypes */ -int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len); -int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len); - - -#if 0 -#define FPGA_DEBUG -#endif - -/* predefine these here for FPGA programming (before including fpga.c) */ -#define SET_FPGA(data) mbar2_writeLong(MCFSIM_GPIO1_OUT, data) -#define FPGA_DONE_STATE (mbar2_readLong(MCFSIM_GPIO1_READ) & CONFIG_SYS_FPGA_DONE) -#define FPGA_INIT_STATE (mbar2_readLong(MCFSIM_GPIO1_READ) & CONFIG_SYS_FPGA_INIT) -#define FPGA_PROG_ACTIVE_HIGH /* on this platform is PROG active high! */ -#define out32(a,b) /* nothing to do (gpio already configured) */ - - -/* fpga configuration data - generated by bin2cc */ -const unsigned char fpgadata[] = -{ -#include "fpgadata.c" -}; - -/* - * include common fpga code (for esd boards) - */ -#include "../common/fpga.c" - - -int checkboard (void) { - ulong val; - uchar val8; - - puts ("Board: "); - puts("esd TASREG"); - val8 = ((uchar)~((uchar)mbar2_readLong(MCFSIM_GPIO1_READ) >> 4)) & 0xf; - printf(" (Switch=%1X)\n", val8); - - /* - * Set LED on - */ - val = mbar2_readLong(MCFSIM_GPIO1_OUT) & ~CONFIG_SYS_GPIO1_LED; - mbar2_writeLong(MCFSIM_GPIO1_OUT, val); /* Set LED on */ - - return 0; -}; - - -phys_size_t initdram (int board_type) { - unsigned long junk = 0xa5a59696; - - /* - * Note: - * RC = ([(RefreshTime/#rows) / (1/BusClk)] / 16) - 1 - */ - -#ifdef CONFIG_SYS_FAST_CLK - /* - * Busclk=70MHz, RefreshTime=64ms, #rows=4096 (4K) - * SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=39 - */ - mbar_writeShort(MCFSIM_DCR, 0x8239); -#elif CONFIG_SYS_PLL_BYPASS - /* - * Busclk=5.6448MHz, RefreshTime=64ms, #rows=8192 (8K) - * SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=02 - */ - mbar_writeShort(MCFSIM_DCR, 0x8202); -#else - /* - * Busclk=36MHz, RefreshTime=64ms, #rows=4096 (4K) - * SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=22 (562 bus clock cycles) - */ - mbar_writeShort(MCFSIM_DCR, 0x8222); -#endif - - /* - * SDRAM starts at 0x0000_0000, CASL=10, CBM=010, PS=10 (16bit port), - * PM=1 (continuous page mode) - */ - - /* RE=0 (keep auto-refresh disabled while setting up registers) */ - mbar_writeLong(MCFSIM_DACR0, 0x00003324); - - /* BAM=007c (bits 22,21 are bank selects; 256kB blocks) */ - mbar_writeLong(MCFSIM_DMR0, 0x01fc0001); - - /** Precharge sequence **/ - mbar_writeLong(MCFSIM_DACR0, 0x0000332c); /* Set DACR0[IP] (bit 3) */ - out_be32((void *)0, junk); /* write to a memory location to init. precharge */ - udelay(0x10); /* Allow several Precharge cycles */ - - /** Refresh Sequence **/ - mbar_writeLong(MCFSIM_DACR0, 0x0000b324); /* Enable the refresh bit, DACR0[RE] (bit 15) */ - udelay(0x7d0); /* Allow gobs of refresh cycles */ - - /** Mode Register initialization **/ - mbar_writeLong(MCFSIM_DACR0, 0x0000b364); /* Enable DACR0[IMRS] (bit 6); RE remains enabled */ - out_be32((void *)0x800, junk); /* Access RAM to initialize the mode register */ - - return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; -}; - - -int testdram (void) { - /* TODO: XXX XXX XXX */ - printf ("DRAM test not implemented!\n"); - - return (0); -} - - -int misc_init_r (void) -{ - unsigned char *dst; - ulong len = sizeof(fpgadata); - int status; - int index; - int i; - uchar buf[8]; - - dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE); - if (gunzip (dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) { - printf ("GUNZIP ERROR - must RESET board to recover\n"); - do_reset (NULL, 0, 0, NULL); - } - - status = fpga_boot(dst, len); - if (status != 0) { - printf("\nFPGA: Booting failed "); - switch (status) { - case ERROR_FPGA_PRG_INIT_LOW: - printf("(Timeout: INIT not low after asserting PROGRAM*)\n "); - break; - case ERROR_FPGA_PRG_INIT_HIGH: - printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); - break; - case ERROR_FPGA_PRG_DONE: - printf("(Timeout: DONE not high after programming FPGA)\n "); - break; - } - - /* display infos on fpgaimage */ - index = 15; - for (i=0; i<4; i++) { - len = dst[index]; - printf("FPGA: %s\n", &(dst[index+1])); - index += len+3; - } - putc ('\n'); - /* delayed reboot */ - for (i=20; i>0; i--) { - printf("Rebooting in %2d seconds \r",i); - for (index=0;index<1000;index++) - udelay(1000); - } - putc ('\n'); - do_reset(NULL, 0, 0, NULL); - } - - puts("FPGA: "); - - /* display infos on fpgaimage */ - index = 15; - for (i=0; i<4; i++) { - len = dst[index]; - printf("%s ", &(dst[index+1])); - index += len+3; - } - putc ('\n'); - - free(dst); - - /* - * - */ - buf[0] = 0x00; - buf[1] = 0x32; - buf[2] = 0x3f; - i2c_write(0x38, 0, 0, buf, 3); - - return (0); -} - - -#if 1 /* test-only: board specific test commands */ -int i2c_probe(uchar addr); - -/* - */ -int do_iploop(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - ulong addr; - - if (argc < 2) { - puts("ERROR!\n"); - return -1; - } - - addr = simple_strtol (argv[1], NULL, 16); - - printf("i2c probe looping on addr 0x%lx (cntrl-c aborts)...\n", addr); - - for (;;) { - i2c_probe(addr); - - /* Abort if ctrl-c was pressed */ - if (ctrlc()) { - puts("\nAbort\n"); - return 0; - } - - udelay(1000); - } - - return 0; -} -U_BOOT_CMD( - iploop, 2, 1, do_iploop, - "i2c probe loop <addr>", - "" -); - -/* - */ -int do_codec(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - uchar buf[8]; - - out_be16((void *)0xe0000000, 0x4000); - - udelay(5000); /* wait for 5ms */ - - buf[0] = 0x10; - buf[1] = 0x07; - buf[2] = 0x03; - i2c_write(0x10, 0, 0, buf, 3); - - buf[0] = 0x10; - buf[1] = 0x01; - buf[2] = 0x80; - i2c_write(0x10, 0, 0, buf, 3); - - buf[0] = 0x10; - buf[1] = 0x02; - buf[2] = 0x03; - i2c_write(0x10, 0, 0, buf, 3); - - buf[0] = 0x10; - buf[1] = 0x03; - buf[2] = 0x29; - i2c_write(0x10, 0, 0, buf, 3); - - buf[0] = 0x10; - buf[1] = 0x04; - buf[2] = 0x00; - i2c_write(0x10, 0, 0, buf, 3); - - buf[0] = 0x10; - buf[1] = 0x05; - buf[2] = 0x00; - i2c_write(0x10, 0, 0, buf, 3); - - buf[0] = 0x10; - buf[1] = 0x07; - buf[2] = 0x02; - i2c_write(0x10, 0, 0, buf, 3); - - return 0; -} -U_BOOT_CMD( - codec, 1, 1, do_codec, - "Enable codec", - "" -); - -/* - */ -int do_saa(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - ulong addr; - ulong instr; - ulong cntrl; - ulong data; - uchar buf[8]; - - if (argc < 5) { - puts("ERROR!\n"); - return -1; - } - - addr = simple_strtol (argv[1], NULL, 16); - instr = simple_strtol (argv[2], NULL, 16); - cntrl = simple_strtol (argv[3], NULL, 16); - data = simple_strtol (argv[4], NULL, 16); - - buf[0] = (uchar)instr; - buf[1] = (uchar)cntrl; - buf[2] = (uchar)data; - i2c_write(addr, 0, 0, buf, 3); - - return 0; -} -U_BOOT_CMD( - saa, 5, 1, do_saa, - "Write to SAA1064 <addr> <instr> <cntrl> <data>", - "" -); - -/* - */ -int do_iwrite(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - ulong addr; - ulong data0; - ulong data1; - ulong data2; - ulong data3; - uchar buf[8]; - int cnt; - - if (argc < 3) { - puts("ERROR!\n"); - return -1; - } - - addr = simple_strtol (argv[1], NULL, 16); - cnt = simple_strtol (argv[2], NULL, 16); - data0 = simple_strtol (argv[3], NULL, 16); - data1 = simple_strtol (argv[4], NULL, 16); - data2 = simple_strtol (argv[5], NULL, 16); - data3 = simple_strtol (argv[6], NULL, 16); - - printf("Writing %d bytes to device %lx!\n", cnt, addr); - buf[0] = (uchar)data0; - buf[1] = (uchar)data1; - buf[2] = (uchar)data2; - buf[3] = (uchar)data3; - i2c_write(addr, 0, 0, buf, cnt); - - return 0; -} -U_BOOT_CMD( - iwrite, 6, 1, do_iwrite, - "Write n bytes to I2C-device", - "addr cnt data0 ... datan" -); - -/* - */ -int do_iread(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - ulong addr; - ulong cnt; - uchar buf[32]; - int i; - - if (argc < 3) { - puts("ERROR!\n"); - return -1; - } - - addr = simple_strtol (argv[1], NULL, 16); - cnt = simple_strtol (argv[2], NULL, 16); - - i2c_read(addr, 0, 0, buf, cnt); - printf("I2C Data:"); - for (i=0; i<cnt; i++) { - printf(" %02X", buf[i]); - } - printf("\n"); - - return 0; -} -U_BOOT_CMD( - iread, 3, 1, do_iread, - "Read from I2C <addr> <cnt>", - "" -); - -/* - */ -int do_ireadl(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - ulong addr; - uchar buf[32]; - int cnt; - - if (argc < 2) { - puts("ERROR!\n"); - return -1; - } - - addr = simple_strtol (argv[1], NULL, 16); - cnt = 1; - - printf("iread looping on addr 0x%lx (cntrl-c aborts)...\n", addr); - - for (;;) { - i2c_read(addr, 0, 0, buf, cnt); - - /* Abort if ctrl-c was pressed */ - if (ctrlc()) { - puts("\nAbort\n"); - return 0; - } - - udelay(3000); - } - - return 0; -} -U_BOOT_CMD( - ireadl, 2, 1, do_ireadl, - "Read-loop from I2C <addr>", - "" -); -#endif |