700 lines
16 KiB
C
700 lines
16 KiB
C
/*
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* amirix.c: ppcboot platform support for AMIRIX board
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*
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* Copyright 2002 Mind NV
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* Copyright 2003 AMIRIX Systems Inc.
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*
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* http://www.mind.be/
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* http://www.amirix.com/
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*
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* Author : Peter De Schrijver (p2@mind.be)
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* Frank Smith (smith@amirix.com)
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*
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* Derived from : Other platform support files in this tree, ml2
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*
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* This software may be used and distributed according to the terms of
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* the GNU General Public License (GPL) version 2, incorporated herein by
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* reference. Drivers based on or derived from this code fall under the GPL
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* and must retain the authorship, copyright and this license notice. This
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* file is not a complete program and may only be used when the entire
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* program is licensed under the GPL.
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*
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*/
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#include <common.h>
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#include <command.h>
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#include <asm/processor.h>
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#include "powerspan.h"
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#include "ap1000.h"
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int board_pre_init (void)
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{
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return 0;
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}
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/** serial number and platform display at startup */
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int checkboard (void)
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{
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unsigned char *s = getenv ("serial#");
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unsigned char *e;
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/* After a loadace command, the SystemAce control register is left in a wonky state. */
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/* this code did not work in board_pre_init */
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unsigned char *p = (unsigned char *) AP1000_SYSACE_REGBASE;
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p[SYSACE_CTRLREG0] = 0x0;
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/* add platform and device to banner */
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switch (get_device ()) {
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case AP1xx_AP107_TARGET:
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puts (AP1xx_AP107_TARGET_STR);
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break;
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case AP1xx_AP120_TARGET:
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puts (AP1xx_AP120_TARGET_STR);
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break;
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case AP1xx_AP130_TARGET:
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puts (AP1xx_AP130_TARGET_STR);
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break;
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case AP1xx_AP1070_TARGET:
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puts (AP1xx_AP1070_TARGET_STR);
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break;
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case AP1xx_AP1100_TARGET:
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puts (AP1xx_AP1100_TARGET_STR);
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break;
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default:
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puts (AP1xx_UNKNOWN_STR);
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break;
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}
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puts (AP1xx_TARGET_STR);
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puts (" with ");
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switch (get_platform ()) {
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case AP100_BASELINE_PLATFORM:
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case AP1000_BASELINE_PLATFORM:
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puts (AP1xx_BASELINE_PLATFORM_STR);
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break;
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case AP1xx_QUADGE_PLATFORM:
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puts (AP1xx_QUADGE_PLATFORM_STR);
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break;
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case AP1xx_MGT_REF_PLATFORM:
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puts (AP1xx_MGT_REF_PLATFORM_STR);
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break;
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case AP1xx_STANDARD_PLATFORM:
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puts (AP1xx_STANDARD_PLATFORM_STR);
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break;
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case AP1xx_DUAL_PLATFORM:
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puts (AP1xx_DUAL_PLATFORM_STR);
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break;
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case AP1xx_BASE_SRAM_PLATFORM:
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puts (AP1xx_BASE_SRAM_PLATFORM_STR);
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break;
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case AP1xx_PCI_PCB_TESTPLATFORM:
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case AP1000_PCI_PCB_TESTPLATFORM:
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puts (AP1xx_PCI_PCB_TESTPLATFORM_STR);
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break;
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case AP1xx_DUAL_GE_MEZZ_TESTPLATFORM:
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puts (AP1xx_DUAL_GE_MEZZ_TESTPLATFORM_STR);
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break;
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case AP1xx_SFP_MEZZ_TESTPLATFORM:
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puts (AP1xx_SFP_MEZZ_TESTPLATFORM_STR);
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break;
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default:
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puts (AP1xx_UNKNOWN_STR);
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break;
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}
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if ((get_platform () & AP1xx_TESTPLATFORM_MASK) != 0) {
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puts (AP1xx_TESTPLATFORM_STR);
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} else {
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puts (AP1xx_PLATFORM_STR);
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}
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putc ('\n');
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puts ("Serial#: ");
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if (!s) {
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printf ("### No HW ID - assuming AMIRIX");
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} else {
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for (e = s; *e; ++e) {
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if (*e == ' ')
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break;
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}
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for (; s < e; ++s) {
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putc (*s);
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}
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}
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putc ('\n');
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return (0);
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}
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long int initdram (int board_type)
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{
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unsigned char *s = getenv ("dramsize");
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if (s != NULL) {
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if ((s[0] == '0') && ((s[1] == 'x') || (s[1] == 'X'))) {
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s += 2;
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}
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return simple_strtoul (s, NULL, 16);
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} else {
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/* give all 64 MB */
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return 64 * 1024 * 1024;
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}
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}
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unsigned int get_platform (void)
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{
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unsigned int *revision_reg_ptr = (unsigned int *) AP1xx_FPGA_REV_ADDR;
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return (*revision_reg_ptr & AP1xx_PLATFORM_MASK);
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}
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unsigned int get_device (void)
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{
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unsigned int *revision_reg_ptr = (unsigned int *) AP1xx_FPGA_REV_ADDR;
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return (*revision_reg_ptr & AP1xx_TARGET_MASK);
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}
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#if 0 /* loadace is not working; it appears to be a hardware issue with the system ace. */
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/*
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This function loads FPGA configurations from the SystemACE CompactFlash
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*/
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int do_loadace (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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unsigned char *p = (unsigned char *) AP1000_SYSACE_REGBASE;
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int cfg;
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if ((p[SYSACE_STATREG0] & 0x10) == 0) {
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p[SYSACE_CTRLREG0] = 0x80;
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printf ("\nNo CompactFlash Detected\n\n");
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p[SYSACE_CTRLREG0] = 0x00;
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return 1;
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}
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/* reset configuration controller: | 0x80 */
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/* select cpflash & ~0x40 */
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/* cfg start | 0x20 */
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/* wait for cfgstart & ~0x10 */
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/* force cfgmode: | 0x08 */
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/* do no force cfgaddr: & ~0x04 */
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/* clear mpulock: & ~0x02 */
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/* do not force lock request & ~0x01 */
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p[SYSACE_CTRLREG0] = 0x80 | 0x20 | 0x08;
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p[SYSACE_CTRLREG1] = 0x00;
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/* force config address if arg2 exists */
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if (argc == 2) {
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cfg = simple_strtoul (argv[1], NULL, 10);
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if (cfg > 7) {
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printf ("\nInvalid Configuration\n\n");
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p[SYSACE_CTRLREG0] = 0x00;
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return 1;
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}
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/* Set config address */
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p[SYSACE_CTRLREG1] = (cfg << 5);
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/* force cfgaddr */
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p[SYSACE_CTRLREG0] |= 0x04;
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} else {
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cfg = (p[SYSACE_STATREG1] & 0xE0) >> 5;
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}
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/* release configuration controller */
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printf ("\nLoading V2PRO with config %d...\n", cfg);
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p[SYSACE_CTRLREG0] &= ~0x80;
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while ((p[SYSACE_STATREG1] & 0x01) == 0) {
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if (p[SYSACE_ERRREG0] & 0x80) {
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/* attempting to load an invalid configuration makes the cpflash */
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/* appear to be removed. Reset here to avoid that problem */
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p[SYSACE_CTRLREG0] = 0x80;
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printf ("\nConfiguration %d Read Error\n\n", cfg);
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p[SYSACE_CTRLREG0] = 0x00;
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return 1;
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}
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}
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p[SYSACE_CTRLREG0] |= 0x20;
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return 0;
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}
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#endif
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/** Console command to display and set the software reconfigure byte
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* <pre>
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* swconfig - display the current value of the software reconfigure byte
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* swconfig [#] - change the software reconfigure byte to #
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* </pre>
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* @param *cmdtp [IN] as passed by run_command (ignored)
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* @param flag [IN] as passed by run_command (ignored)
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* @param argc [IN] as passed by run_command if 1, display, if 2 change
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* @param *argv[] [IN] contains the parameters to use
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* @return
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* <pre>
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* 0 if passed
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* -1 if failed
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* </pre>
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*/
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int do_swconfigbyte (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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unsigned char *sector_buffer = NULL;
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unsigned char input_char;
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int write_result;
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unsigned int input_uint;
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/* display value if no argument */
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if (argc < 2) {
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printf ("Software configuration byte is currently: 0x%02x\n",
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*((unsigned char *) (SW_BYTE_SECTOR_ADDR +
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SW_BYTE_SECTOR_OFFSET)));
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return 0;
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} else if (argc > 3) {
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printf ("Too many arguments\n");
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return -1;
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}
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/* if 3 arguments, 3rd argument is the address to use */
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if (argc == 3) {
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input_uint = simple_strtoul (argv[1], NULL, 16);
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sector_buffer = (unsigned char *) input_uint;
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} else {
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sector_buffer = (unsigned char *) DEFAULT_TEMP_ADDR;
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}
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input_char = simple_strtoul (argv[1], NULL, 0);
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if ((input_char & ~SW_BYTE_MASK) != 0) {
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printf ("Input of 0x%02x will be masked to 0x%02x\n",
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input_char, (input_char & SW_BYTE_MASK));
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input_char = input_char & SW_BYTE_MASK;
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}
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memcpy (sector_buffer, (void *) SW_BYTE_SECTOR_ADDR,
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SW_BYTE_SECTOR_SIZE);
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sector_buffer[SW_BYTE_SECTOR_OFFSET] = input_char;
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printf ("Erasing Flash...");
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if (flash_sect_erase
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(SW_BYTE_SECTOR_ADDR,
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(SW_BYTE_SECTOR_ADDR + SW_BYTE_SECTOR_OFFSET))) {
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return -1;
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}
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printf ("Writing to Flash... ");
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write_result =
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flash_write (sector_buffer, SW_BYTE_SECTOR_ADDR,
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SW_BYTE_SECTOR_SIZE);
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if (write_result != 0) {
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flash_perror (write_result);
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return -1;
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} else {
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printf ("done\n");
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printf ("Software configuration byte is now: 0x%02x\n",
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*((unsigned char *) (SW_BYTE_SECTOR_ADDR +
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SW_BYTE_SECTOR_OFFSET)));
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}
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return 0;
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}
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#define ONE_SECOND 1000000
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int do_pause (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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int pause_time;
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unsigned int delay_time;
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int break_loop = 0;
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/* display value if no argument */
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if (argc < 2) {
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pause_time = 1;
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}
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else if (argc > 2) {
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printf ("Too many arguments\n");
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return -1;
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} else {
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pause_time = simple_strtoul (argv[1], NULL, 0);
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}
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printf ("Pausing with a poll time of %d, press any key to reactivate\n", pause_time);
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delay_time = pause_time * ONE_SECOND;
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while (break_loop == 0) {
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udelay (delay_time);
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if (serial_tstc () != 0) {
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break_loop = 1;
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/* eat user key presses */
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while (serial_tstc () != 0) {
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serial_getc ();
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}
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}
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}
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return 0;
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}
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int do_swreconfig (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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printf ("Triggering software reconfigure (software config byte is 0x%02x)...\n",
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*((unsigned char *) (SW_BYTE_SECTOR_ADDR + SW_BYTE_SECTOR_OFFSET)));
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udelay (1000);
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*((unsigned char *) AP1000_CPLD_BASE) = 1;
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return 0;
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}
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#define GET_DECIMAL(low_byte) ((low_byte >> 5) * 125)
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#define TEMP_BUSY_BIT 0x80
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#define TEMP_LHIGH_BIT 0x40
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#define TEMP_LLOW_BIT 0x20
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#define TEMP_EHIGH_BIT 0x10
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#define TEMP_ELOW_BIT 0x08
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#define TEMP_OPEN_BIT 0x04
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#define TEMP_ETHERM_BIT 0x02
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#define TEMP_LTHERM_BIT 0x01
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int do_temp_sensor (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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char cmd;
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int ret_val = 0;
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unsigned char temp_byte;
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int temp;
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int temp_low;
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int low;
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int low_low;
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int high;
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int high_low;
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int therm;
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unsigned char user_data[4] = { 0 };
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int user_data_count = 0;
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int ii;
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if (argc > 1) {
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cmd = argv[1][0];
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} else {
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cmd = 's'; /* default to status */
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}
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user_data_count = argc - 2;
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for (ii = 0; ii < user_data_count; ii++) {
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user_data[ii] = simple_strtoul (argv[2 + ii], NULL, 0);
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}
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switch (cmd) {
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case 's':
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if (I2CAccess
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(0x2, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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printf ("Status : 0x%02x ", temp_byte);
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if (temp_byte & TEMP_BUSY_BIT)
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printf ("BUSY ");
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if (temp_byte & TEMP_LHIGH_BIT)
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printf ("LHIGH ");
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if (temp_byte & TEMP_LLOW_BIT)
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printf ("LLOW ");
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if (temp_byte & TEMP_EHIGH_BIT)
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printf ("EHIGH ");
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if (temp_byte & TEMP_ELOW_BIT)
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printf ("ELOW ");
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if (temp_byte & TEMP_OPEN_BIT)
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printf ("OPEN ");
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if (temp_byte & TEMP_ETHERM_BIT)
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printf ("ETHERM ");
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if (temp_byte & TEMP_LTHERM_BIT)
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printf ("LTHERM");
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printf ("\n");
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if (I2CAccess
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(0x3, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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printf ("Config : 0x%02x ", temp_byte);
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if (I2CAccess
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(0x4, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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printf ("\n");
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goto fail;
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}
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printf ("Conversion: 0x%02x\n", temp_byte);
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if (I2CAccess
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(0x22, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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printf ("Cons Alert: 0x%02x ", temp_byte);
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if (I2CAccess
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(0x21, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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printf ("\n");
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goto fail;
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}
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printf ("Therm Hyst: %d\n", temp_byte);
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if (I2CAccess
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(0x0, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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temp = temp_byte;
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if (I2CAccess
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(0x6, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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low = temp_byte;
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if (I2CAccess
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(0x5, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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high = temp_byte;
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if (I2CAccess
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(0x20, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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therm = temp_byte;
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printf ("Local Temp: %2d Low: %2d High: %2d THERM: %2d\n", temp, low, high, therm);
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if (I2CAccess
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(0x1, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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temp = temp_byte;
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if (I2CAccess
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(0x10, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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temp_low = temp_byte;
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if (I2CAccess
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(0x8, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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low = temp_byte;
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if (I2CAccess
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(0x14, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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low_low = temp_byte;
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if (I2CAccess
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(0x7, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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}
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high = temp_byte;
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if (I2CAccess
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(0x13, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
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&temp_byte, I2C_READ) != 0) {
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goto fail;
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|
}
|
|
high_low = temp_byte;
|
|
if (I2CAccess
|
|
(0x19, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
|
|
&temp_byte, I2C_READ) != 0) {
|
|
goto fail;
|
|
}
|
|
therm = temp_byte;
|
|
if (I2CAccess
|
|
(0x11, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
|
|
&temp_byte, I2C_READ) != 0) {
|
|
goto fail;
|
|
}
|
|
printf ("Ext Temp : %2d.%03d Low: %2d.%03d High: %2d.%03d THERM: %2d Offset: %2d\n", temp, GET_DECIMAL (temp_low), low, GET_DECIMAL (low_low), high, GET_DECIMAL (high_low), therm, temp_byte);
|
|
break;
|
|
case 'l': /* alter local limits : low, high, therm */
|
|
if (argc < 3) {
|
|
goto usage;
|
|
}
|
|
|
|
/* low */
|
|
if (I2CAccess
|
|
(0xC, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
|
|
&user_data[0], I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
|
|
if (user_data_count > 1) {
|
|
/* high */
|
|
if (I2CAccess
|
|
(0xB, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
|
|
&user_data[1], I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (user_data_count > 2) {
|
|
/* therm */
|
|
if (I2CAccess
|
|
(0x20, I2C_SENSOR_DEV,
|
|
I2C_SENSOR_CHIP_SEL, &user_data[2],
|
|
I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
}
|
|
break;
|
|
case 'e': /* alter external limits: low, high, therm, offset */
|
|
if (argc < 3) {
|
|
goto usage;
|
|
}
|
|
|
|
/* low */
|
|
if (I2CAccess
|
|
(0xE, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
|
|
&user_data[0], I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
|
|
if (user_data_count > 1) {
|
|
/* high */
|
|
if (I2CAccess
|
|
(0xD, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
|
|
&user_data[1], I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (user_data_count > 2) {
|
|
/* therm */
|
|
if (I2CAccess
|
|
(0x19, I2C_SENSOR_DEV,
|
|
I2C_SENSOR_CHIP_SEL, &user_data[2],
|
|
I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (user_data_count > 3) {
|
|
/* offset */
|
|
if (I2CAccess
|
|
(0x11, I2C_SENSOR_DEV,
|
|
I2C_SENSOR_CHIP_SEL, &user_data[3],
|
|
I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
}
|
|
break;
|
|
case 'c': /* alter config settings: config, conv, cons alert, therm hyst */
|
|
if (argc < 3) {
|
|
goto usage;
|
|
}
|
|
|
|
/* config */
|
|
if (I2CAccess
|
|
(0x9, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
|
|
&user_data[0], I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
|
|
if (user_data_count > 1) {
|
|
/* conversion */
|
|
if (I2CAccess
|
|
(0xA, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL,
|
|
&user_data[1], I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (user_data_count > 2) {
|
|
/* cons alert */
|
|
if (I2CAccess
|
|
(0x22, I2C_SENSOR_DEV,
|
|
I2C_SENSOR_CHIP_SEL, &user_data[2],
|
|
I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (user_data_count > 3) {
|
|
/* therm hyst */
|
|
if (I2CAccess
|
|
(0x21, I2C_SENSOR_DEV,
|
|
I2C_SENSOR_CHIP_SEL, &user_data[3],
|
|
I2C_WRITE) != 0) {
|
|
goto fail;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
goto usage;
|
|
}
|
|
|
|
goto done;
|
|
fail:
|
|
printf ("Access to sensor failed\n");
|
|
ret_val = -1;
|
|
goto done;
|
|
usage:
|
|
printf ("Usage:\n%s\n", cmdtp->help);
|
|
|
|
done:
|
|
return ret_val;
|
|
}
|
|
|
|
U_BOOT_CMD (temp, 6, 0, do_temp_sensor,
|
|
"temp - interact with the temperature sensor\n",
|
|
"temp [s]\n"
|
|
" - Show status.\n"
|
|
"temp l LOW [HIGH] [THERM]\n"
|
|
" - Set local limits.\n"
|
|
"temp e LOW [HIGH] [THERM] [OFFSET]\n"
|
|
" - Set external limits.\n"
|
|
"temp c CONFIG [CONVERSION] [CONS. ALERT] [THERM HYST]\n"
|
|
" - Set config options.\n"
|
|
"\n"
|
|
"All values can be decimal or hex (hex preceded with 0x).\n"
|
|
"Only whole numbers are supported for external limits.\n");
|
|
|
|
#if 0
|
|
U_BOOT_CMD (loadace, 2, 0, do_loadace,
|
|
"loadace - load fpga configuration from System ACE compact flash\n",
|
|
"N\n"
|
|
" - Load configuration N (0-7) from System ACE compact flash\n"
|
|
"loadace\n" " - loads default configuration\n");
|
|
#endif
|
|
|
|
U_BOOT_CMD (swconfig, 2, 0, do_swconfigbyte,
|
|
"swconfig- display or modify the software configuration byte\n",
|
|
"N [ADDRESS]\n"
|
|
" - set software configuration byte to N, optionally use ADDRESS as\n"
|
|
" location of buffer for flash copy\n"
|
|
"swconfig\n" " - display software configuration byte\n");
|
|
|
|
U_BOOT_CMD (pause, 2, 0, do_pause,
|
|
"pause - sleep processor until any key is pressed with poll time of N seconds\n",
|
|
"N\n"
|
|
" - sleep processor until any key is pressed with poll time of N seconds\n"
|
|
"pause\n"
|
|
" - sleep processor until any key is pressed with poll time of 1 second\n");
|
|
|
|
U_BOOT_CMD (swrecon, 1, 0, do_swreconfig,
|
|
"swrecon - trigger a board reconfigure to the software selected configuration\n",
|
|
"\n"
|
|
" - trigger a board reconfigure to the software selected configuration\n");
|