Add support for AP1000 board.

Patch by James MacAulay, 07 Oct 2005

1 files changed, 672 insertions, 0 deletions

diff --git a/board/amirix/ap1000/ap1000.c b/board/amirix/ap1000/ap1000.c
new file mode 100644
index 0000000..743211f
--- /dev/null
+++ b/board/amirix/ap1000/ap1000.c
@@ -0,0 +1,672 @@
+/*
+ * amirix.c: ppcboot platform support for AMIRIX board
+ *
+ * Copyright 2002 Mind NV
+ * Copyright 2003 AMIRIX Systems Inc.
+ *
+ * http://www.mind.be/
+ * http://www.amirix.com/
+ *
+ * Author : Peter De Schrijver (p2@mind.be)
+ *          Frank Smith (smith@amirix.com)
+ *
+ * Derived from : Other platform support files in this tree, ml2
+ *
+ * This software may be used and distributed according to the terms of
+ * the GNU General Public License (GPL) version 2, incorporated herein by
+ * reference. Drivers based on or derived from this code fall under the GPL
+ * and must retain the authorship, copyright and this license notice. This
+ * file is not a complete program and may only be used when the entire
+ * program is licensed under the GPL.
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+
+#include "powerspan.h"
+#include "ap1000.h"
+
+int board_pre_init (void)
+{
+    return 0;
+}
+
+/** serial number and platform display at startup */
+int checkboard (void)
+{
+    unsigned char *s = getenv ("serial#");
+    unsigned char *e;
+
+    /* After a loadace command, the SystemAce control register is left in a wonky state. */
+    /* this code did not work in board_pre_init */
+    unsigned char* p = (unsigned char*)AP1000_SYSACE_REGBASE;
+    p[SYSACE_CTRLREG0] = 0x0;
+
+    /* add platform and device to banner */
+    switch(get_device()){
+        case AP1xx_AP107_TARGET:{
+            puts(AP1xx_AP107_TARGET_STR);
+            break;
+        }
+        case AP1xx_AP120_TARGET:{
+            puts(AP1xx_AP120_TARGET_STR);
+            break;
+        }
+        case AP1xx_AP130_TARGET:{
+            puts(AP1xx_AP130_TARGET_STR);
+            break;
+        }
+        case AP1xx_AP1070_TARGET:{
+            puts(AP1xx_AP1070_TARGET_STR);
+            break;
+        }
+        case AP1xx_AP1100_TARGET:{
+            puts(AP1xx_AP1100_TARGET_STR);
+            break;
+        }
+        default:{
+            puts(AP1xx_UNKNOWN_STR);
+            break;
+        }
+    }
+    puts(AP1xx_TARGET_STR);
+    puts(" with ");
+
+    switch(get_platform()){
+        case AP100_BASELINE_PLATFORM:
+        case AP1000_BASELINE_PLATFORM:{
+            puts(AP1xx_BASELINE_PLATFORM_STR);
+            break;
+        }
+        case AP1xx_QUADGE_PLATFORM:{
+            puts(AP1xx_QUADGE_PLATFORM_STR);
+            break;
+        }
+        case AP1xx_MGT_REF_PLATFORM:{
+            puts(AP1xx_MGT_REF_PLATFORM_STR);
+            break;
+        }
+        case AP1xx_STANDARD_PLATFORM:{
+            puts(AP1xx_STANDARD_PLATFORM_STR);
+            break;
+        }
+        case AP1xx_DUAL_PLATFORM:{
+            puts(AP1xx_DUAL_PLATFORM_STR);
+            break;
+        }
+        case AP1xx_BASE_SRAM_PLATFORM:{
+            puts(AP1xx_BASE_SRAM_PLATFORM_STR);
+            break;
+        }
+        case AP1xx_PCI_PCB_TESTPLATFORM:
+        case AP1000_PCI_PCB_TESTPLATFORM:{
+            puts(AP1xx_PCI_PCB_TESTPLATFORM_STR);
+            break;
+        }
+        case AP1xx_DUAL_GE_MEZZ_TESTPLATFORM:{
+            puts(AP1xx_DUAL_GE_MEZZ_TESTPLATFORM_STR);
+            break;
+        }
+        case AP1xx_SFP_MEZZ_TESTPLATFORM:{
+            puts(AP1xx_SFP_MEZZ_TESTPLATFORM_STR);
+            break;
+        }
+        default:{
+            puts(AP1xx_UNKNOWN_STR);
+            break;
+        }
+    }
+
+    if((get_platform() & AP1xx_TESTPLATFORM_MASK) != 0){
+        puts(AP1xx_TESTPLATFORM_STR);
+    }
+    else{
+        puts(AP1xx_PLATFORM_STR);
+    }
+
+    putc('\n');
+
+    puts ("Serial#: ");
+
+    if (!s) {
+        printf ("### No HW ID - assuming AMIRIX");
+    } else {
+        for (e = s; *e; ++e) {
+            if (*e == ' ')
+                break;
+        }
+
+        for (; s < e; ++s) {
+            putc (*s);
+        }
+    }
+
+    putc ('\n');
+
+    return (0);
+}
+
+
+long int initdram (int board_type)
+{
+    unsigned char *s = getenv ("dramsize");
+
+    if(s != NULL){
+        if((s[0] == '0') && ((s[1] == 'x') || (s[1] == 'X'))){
+            s += 2;
+        }
+        return simple_strtoul(s, NULL, 16);
+    }
+    else{
+        /* give all 64 MB */
+		return 64 * 1024 * 1024;
+    }
+}
+
+unsigned int get_platform(void){
+    unsigned int *revision_reg_ptr = (unsigned int *)AP1xx_FPGA_REV_ADDR;
+    return (*revision_reg_ptr & AP1xx_PLATFORM_MASK);
+}
+
+unsigned int get_device(void){
+    unsigned int *revision_reg_ptr = (unsigned int *)AP1xx_FPGA_REV_ADDR;
+
+    return (*revision_reg_ptr & AP1xx_TARGET_MASK);
+}
+
+#if 0  // loadace is not working; it appears to be a hardware issue with the system ace.
+/*
+   This function loads FPGA configurations from the SystemACE CompactFlash
+*/
+int do_loadace (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+    unsigned char *p = (unsigned char *)AP1000_SYSACE_REGBASE;
+    int cfg;
+
+    if((p[SYSACE_STATREG0] & 0x10) == 0) {
+        p[SYSACE_CTRLREG0] = 0x80;
+        printf ("\nNo CompactFlash Detected\n\n");
+        p[SYSACE_CTRLREG0] = 0x00;
+        return 1;
+    }
+
+    // reset configuration controller: |  0x80
+    // select cpflash                  & ~0x40
+    // cfg start                       |  0x20
+    // wait for cfgstart               & ~0x10
+    // force cfgmode:                  |  0x08
+    // do no force cfgaddr:            & ~0x04
+    // clear mpulock:                  & ~0x02
+    // do not force lock request       & ~0x01
+
+    p[SYSACE_CTRLREG0] = 0x80 | 0x20 | 0x08;
+    p[SYSACE_CTRLREG1] = 0x00;
+
+    // force config address if arg2 exists
+    if (argc == 2) {
+        cfg = simple_strtoul(argv[1], NULL, 10);
+
+        if(cfg > 7) {
+           printf ("\nInvalid Configuration\n\n");
+         p[SYSACE_CTRLREG0] = 0x00;
+           return 1;
+        }
+        // Set config address
+        p[SYSACE_CTRLREG1] = (cfg << 5);
+        // force cfgaddr
+        p[SYSACE_CTRLREG0] |= 0x04;
+
+    } else {
+        cfg = (p[SYSACE_STATREG1] & 0xE0) >> 5;
+    }
+
+    /* release configuration controller */
+    printf("\nLoading V2PRO with config %d...\n", cfg);
+    p[SYSACE_CTRLREG0] &= ~0x80;
+
+
+    while((p[SYSACE_STATREG1] & 0x01) == 0) {
+
+        if(p[SYSACE_ERRREG0] & 0x80) {
+            // attempting to load an invalid configuration makes the cpflash
+            // appear to be removed. Reset here to avoid that problem
+            p[SYSACE_CTRLREG0] = 0x80;
+            printf("\nConfiguration %d Read Error\n\n", cfg);
+            p[SYSACE_CTRLREG0] = 0x00;
+            return 1;
+        }
+    }
+
+    p[SYSACE_CTRLREG0] |= 0x20;
+
+    return 0;
+}
+#endif
+
+/** Console command to display and set the software reconfigure byte
+  * <pre>
+  * swconfig        - display the current value of the software reconfigure byte
+  * swconfig [#]    - change the software reconfigure byte to #
+  * </pre>
+  * @param  *cmdtp  [IN] as passed by run_command (ignored)
+  * @param  flag    [IN] as passed by run_command (ignored)
+  * @param  argc    [IN] as passed by run_command if 1, display, if 2 change
+  * @param  *argv[] [IN] contains the parameters to use
+  * @return
+  * <pre>
+  *      0 if passed
+  *     -1 if failed
+  * </pre>
+  */
+int do_swconfigbyte(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){
+    unsigned char *sector_buffer = NULL;
+    unsigned char input_char;
+    int write_result;
+    unsigned int  input_uint;
+
+    /* display value if no argument */
+    if(argc < 2){
+        printf("Software configuration byte is currently: 0x%02x\n",
+               *((unsigned char *) (SW_BYTE_SECTOR_ADDR + SW_BYTE_SECTOR_OFFSET)));
+        return 0;
+    }
+    else if(argc > 3){
+        printf("Too many arguments\n");
+        return -1;
+    }
+
+    /* if 3 arguments, 3rd argument is the address to use */
+    if(argc == 3){
+        input_uint = simple_strtoul(argv[1], NULL, 16);
+        sector_buffer = (unsigned char *)input_uint;
+    }
+    else{
+        sector_buffer = (unsigned char *)DEFAULT_TEMP_ADDR;
+    }
+
+    input_char = simple_strtoul(argv[1], NULL, 0);
+    if((input_char & ~SW_BYTE_MASK) != 0){
+        printf("Input of 0x%02x will be masked to 0x%02x\n",
+                input_char, (input_char & SW_BYTE_MASK));
+        input_char = input_char & SW_BYTE_MASK;
+    }
+
+    memcpy(sector_buffer, (void *)SW_BYTE_SECTOR_ADDR, SW_BYTE_SECTOR_SIZE);
+    sector_buffer[SW_BYTE_SECTOR_OFFSET] = input_char;
+
+
+    printf("Erasing Flash...");
+    if (flash_sect_erase (SW_BYTE_SECTOR_ADDR, (SW_BYTE_SECTOR_ADDR + SW_BYTE_SECTOR_OFFSET))){
+        return -1;
+    }
+
+    printf("Writing to Flash... ");
+    write_result = flash_write(sector_buffer, SW_BYTE_SECTOR_ADDR, SW_BYTE_SECTOR_SIZE);
+    if (write_result != 0) {
+        flash_perror (write_result);
+        return -1;
+    }
+    else{
+        printf("done\n");
+        printf("Software configuration byte is now: 0x%02x\n",
+                *((unsigned char *) (SW_BYTE_SECTOR_ADDR + SW_BYTE_SECTOR_OFFSET)));
+    }
+
+    return 0;
+}
+
+#define ONE_SECOND 1000000
+
+int do_pause(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){
+    int pause_time;
+    unsigned int delay_time;
+    int break_loop = 0;
+
+    /* display value if no argument */
+    if(argc < 2){
+        pause_time = 1;
+    }
+
+    else if(argc > 2){
+        printf("Too many arguments\n");
+        return -1;
+    }
+    else{
+        pause_time = simple_strtoul(argv[1], NULL, 0);
+    }
+
+    printf("Pausing with a poll time of %d, press any key to reactivate\n", pause_time);
+    delay_time = pause_time * ONE_SECOND;
+    while(break_loop == 0){
+        udelay(delay_time);
+        if(serial_tstc() != 0){
+            break_loop = 1;
+            /* eat user key presses */
+            while(serial_tstc() != 0){
+                serial_getc();
+            }
+        }
+    }
+
+    return 0;
+}
+
+int do_swreconfig(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){
+    printf("Triggering software reconfigure (software config byte is 0x%02x)...\n",
+           *((unsigned char *) (SW_BYTE_SECTOR_ADDR + SW_BYTE_SECTOR_OFFSET)));
+    udelay (1000);
+    *((unsigned char*)AP1000_CPLD_BASE) = 1;
+
+    return 0;
+}
+
+#define GET_DECIMAL(low_byte) ((low_byte >> 5) * 125)
+#define TEMP_BUSY_BIT   0x80
+#define TEMP_LHIGH_BIT  0x40
+#define TEMP_LLOW_BIT   0x20
+#define TEMP_EHIGH_BIT  0x10
+#define TEMP_ELOW_BIT   0x08
+#define TEMP_OPEN_BIT   0x04
+#define TEMP_ETHERM_BIT 0x02
+#define TEMP_LTHERM_BIT 0x01
+
+int do_temp_sensor(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){
+    char cmd;
+    int ret_val = 0;
+    unsigned char temp_byte;
+    int temp;
+    int temp_low;
+    int low;
+    int low_low;
+    int high;
+    int high_low;
+    int therm;
+    unsigned char user_data[4] = { 0 };
+    int user_data_count = 0;
+    int ii;
+
+    if(argc > 1){
+        cmd = argv[1][0];
+    }
+    else{
+        cmd = 's'; /* default to status */
+    }
+
+    user_data_count = argc - 2;
+    for(ii = 0;ii < user_data_count;ii++){
+        user_data[ii] = simple_strtoul(argv[2 + ii], NULL, 0);
+    }
+    switch (cmd){
+        case 's':{
+
+            if(I2CAccess(0x2, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            printf("Status    : 0x%02x  ", temp_byte);
+            if(temp_byte & TEMP_BUSY_BIT){
+                printf("BUSY ");
+            }
+
+            if(temp_byte & TEMP_LHIGH_BIT){
+                printf("LHIGH ");
+            }
+
+            if(temp_byte & TEMP_LLOW_BIT){
+                printf("LLOW ");
+            }
+
+            if(temp_byte & TEMP_EHIGH_BIT){
+                printf("EHIGH ");
+            }
+
+            if(temp_byte & TEMP_ELOW_BIT){
+                printf("ELOW ");
+            }
+
+            if(temp_byte & TEMP_OPEN_BIT){
+                printf("OPEN ");
+            }
+
+            if(temp_byte & TEMP_ETHERM_BIT){
+                printf("ETHERM ");
+            }
+
+            if(temp_byte & TEMP_LTHERM_BIT){
+                printf("LTHERM");
+            }
+            printf("\n");
+
+            if(I2CAccess(0x3, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            printf("Config    : 0x%02x  ", temp_byte);
+
+            if(I2CAccess(0x4, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                printf("\n");
+                goto fail;
+            }
+            printf("Conversion: 0x%02x\n", temp_byte);
+            if(I2CAccess(0x22, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            printf("Cons Alert: 0x%02x  ", temp_byte);
+
+            if(I2CAccess(0x21, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                printf("\n");
+                goto fail;
+            }
+            printf("Therm Hyst: %d\n", temp_byte);
+
+            if(I2CAccess(0x0, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            temp = temp_byte;
+            if(I2CAccess(0x6, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            low = temp_byte;
+            if(I2CAccess(0x5, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            high = temp_byte;
+            if(I2CAccess(0x20, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            therm = temp_byte;
+            printf("Local Temp: %2d     Low: %2d     High: %2d     THERM: %2d\n", temp, low, high, therm);
+
+            if(I2CAccess(0x1, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            temp = temp_byte;
+            if(I2CAccess(0x10, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            temp_low = temp_byte;
+            if(I2CAccess(0x8, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            low = temp_byte;
+            if(I2CAccess(0x14, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            low_low = temp_byte;
+            if(I2CAccess(0x7, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            high = temp_byte;
+            if(I2CAccess(0x13, I2C_SENSOR_DEV, I2C_SENSOR_CHIP_SEL, &temp_byte, I2C_READ) != 0){
+                goto fail;
+            }
+            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"
+);
+