diff options
Diffstat (limited to 'qemu/roms/u-boot/board/r360mpi/r360mpi.c')
| -rw-r--r-- | qemu/roms/u-boot/board/r360mpi/r360mpi.c | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/qemu/roms/u-boot/board/r360mpi/r360mpi.c b/qemu/roms/u-boot/board/r360mpi/r360mpi.c deleted file mode 100644 index d06aea7a2..000000000 --- a/qemu/roms/u-boot/board/r360mpi/r360mpi.c +++ /dev/null @@ -1,403 +0,0 @@ -/* - * (C) Copyright 2001-2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <config.h> -#include <mpc8xx.h> -#include <i2c.h> - -#include <commproc.h> -#include <command.h> -#include <malloc.h> - -#include <linux/types.h> -#include <linux/string.h> /* for strdup */ - - -/* - * Memory Controller Using - * - * CS0 - Flash memory (0x40000000) - * CS1 - FLASH memory (0x????????) - * CS2 - SDRAM (0x00000000) - * CS3 - - * CS4 - - * CS5 - - * CS6 - PCMCIA device - * CS7 - PCMCIA device - */ - -/* ------------------------------------------------------------------------- */ - -#define _not_used_ 0xffffffff - -const uint sdram_table[]= -{ - /* single read. (offset 0 in upm RAM) */ - 0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00, - 0x1ff77c47, - - /* MRS initialization (offset 5) */ - - 0x1ff77c34, 0xefeabc34, 0x1fb57c35, - - /* burst read. (offset 8 in upm RAM) */ - 0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00, - 0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47, - _not_used_, _not_used_, _not_used_, _not_used_, - _not_used_, _not_used_, _not_used_, _not_used_, - - /* single write. (offset 18 in upm RAM) */ - 0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47, - _not_used_, _not_used_, _not_used_, _not_used_, - - /* burst write. (offset 20 in upm RAM) */ - 0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00, - 0xf0affc00, 0xe1bbbc04, 0x1ff77c47, _not_used_, - _not_used_, _not_used_, _not_used_, _not_used_, - _not_used_, _not_used_, _not_used_, _not_used_, - - /* refresh. (offset 30 in upm RAM) */ - 0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04, - 0xfffffc84, 0xfffffc07, _not_used_, _not_used_, - _not_used_, _not_used_, _not_used_, _not_used_, - - /* exception. (offset 3c in upm RAM) */ - 0x7ffffc07, _not_used_, _not_used_, _not_used_ }; - -/* ------------------------------------------------------------------------- */ - -/* - * Check Board Identity: - */ - -int checkboard (void) -{ - puts ("Board: R360 MPI Board\n"); - return 0; -} - -/* ------------------------------------------------------------------------- */ - -static long int dram_size (long int, long int *, long int); - -/* ------------------------------------------------------------------------- */ - -phys_size_t initdram (int board_type) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - long int size8, size9; - long int size_b0 = 0; - unsigned long reg; - - upmconfig (UPMA, (uint *) sdram_table, - sizeof (sdram_table) / sizeof (uint)); - - /* - * Preliminary prescaler for refresh (depends on number of - * banks): This value is selected for four cycles every 62.4 us - * with two SDRAM banks or four cycles every 31.2 us with one - * bank. It will be adjusted after memory sizing. - */ - memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_8K; - - memctl->memc_mar = 0x00000088; - - /* - * Map controller bank 2 to the SDRAM bank at - * preliminary address - these have to be modified after the - * SDRAM size has been determined. - */ - memctl->memc_or2 = CONFIG_SYS_OR2_PRELIM; - memctl->memc_br2 = CONFIG_SYS_BR2_PRELIM; - - memctl->memc_mamr = CONFIG_SYS_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */ - - udelay (200); - - /* perform SDRAM initializsation sequence */ - - memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */ - udelay (200); - memctl->memc_mcr = 0x80004230; /* SDRAM bank 0 - execute twice */ - udelay (200); - - memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ - - udelay (1000); - - /* - * Check Bank 2 Memory Size for re-configuration - * - * try 8 column mode - */ - size8 = dram_size (CONFIG_SYS_MAMR_8COL, (long *) SDRAM_BASE2_PRELIM, - SDRAM_MAX_SIZE); - - udelay (1000); - - /* - * try 9 column mode - */ - size9 = dram_size (CONFIG_SYS_MAMR_9COL, (long *) SDRAM_BASE2_PRELIM, - SDRAM_MAX_SIZE); - - if (size8 < size9) { /* leave configuration at 9 columns */ - size_b0 = size9; -/* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */ - } else { /* back to 8 columns */ - size_b0 = size8; - memctl->memc_mamr = CONFIG_SYS_MAMR_8COL; - udelay (500); -/* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */ - } - - udelay (1000); - - /* - * Adjust refresh rate depending on SDRAM type, both banks - * For types > 128 MBit leave it at the current (fast) rate - */ - if ((size_b0 < 0x02000000)) { - /* reduce to 15.6 us (62.4 us / quad) */ - memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_4K; - udelay (1000); - } - - /* - * Final mapping - */ - - memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM; - memctl->memc_br1 = (CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; - - /* adjust refresh rate depending on SDRAM type, one bank */ - reg = memctl->memc_mptpr; - reg >>= 1; /* reduce to CONFIG_SYS_MPTPR_1BK_8K / _4K */ - memctl->memc_mptpr = reg; - - udelay (10000); - -#ifdef CONFIG_CAN_DRIVER - /* Initialize OR3 / BR3 */ - memctl->memc_or3 = CONFIG_SYS_OR3_CAN; /* switch GPLB_5 to GPLA_5 */ - memctl->memc_br3 = CONFIG_SYS_BR3_CAN; - - /* Initialize MBMR */ - memctl->memc_mbmr = MBMR_GPL_B4DIS; /* GPL_B4 works as UPWAITB */ - - /* Initialize UPMB for CAN: single read */ - memctl->memc_mdr = 0xFFFFC004; - memctl->memc_mcr = 0x0100 | UPMB; - - memctl->memc_mdr = 0x0FFFD004; - memctl->memc_mcr = 0x0101 | UPMB; - - memctl->memc_mdr = 0x0FFFC000; - memctl->memc_mcr = 0x0102 | UPMB; - - memctl->memc_mdr = 0x3FFFC004; - memctl->memc_mcr = 0x0103 | UPMB; - - memctl->memc_mdr = 0xFFFFDC05; - memctl->memc_mcr = 0x0104 | UPMB; - - /* Initialize UPMB for CAN: single write */ - memctl->memc_mdr = 0xFFFCC004; - memctl->memc_mcr = 0x0118 | UPMB; - - memctl->memc_mdr = 0xCFFCD004; - memctl->memc_mcr = 0x0119 | UPMB; - - memctl->memc_mdr = 0x0FFCC000; - memctl->memc_mcr = 0x011A | UPMB; - - memctl->memc_mdr = 0x7FFCC004; - memctl->memc_mcr = 0x011B | UPMB; - - memctl->memc_mdr = 0xFFFDCC05; - memctl->memc_mcr = 0x011C | UPMB; -#endif - - return (size_b0); -} - -/* ------------------------------------------------------------------------- */ - -/* - * Check memory range for valid RAM. A simple memory test determines - * the actually available RAM size between addresses `base' and - * `base + maxsize'. Some (not all) hardware errors are detected: - * - short between address lines - * - short between data lines - */ - -static long int dram_size (long int mamr_value, - long int *base, long int maxsize) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - - memctl->memc_mamr = mamr_value; - - return (get_ram_size(base, maxsize)); -} - -/* ------------------------------------------------------------------------- */ - -void r360_i2c_lcd_write (uchar data0, uchar data1) -{ - if (i2c_write (CONFIG_SYS_I2C_LCD_ADDR, data0, 1, &data1, 1)) { - printf("Can't write lcd data 0x%02X 0x%02X.\n", data0, data1); - } -} - -/* ------------------------------------------------------------------------- */ - -/*----------------------------------------------------------------------- - * Keyboard Controller - */ - -/* Number of bytes returned from Keyboard Controller */ -#define KEYBD_KEY_MAX 16 /* maximum key number */ -#define KEYBD_DATALEN ((KEYBD_KEY_MAX + 7) / 8) /* normal key scan data */ - -static uchar *key_match (uchar *); - -int misc_init_r (void) -{ - char kbd_data[KEYBD_DATALEN]; - char keybd_env[2 * KEYBD_DATALEN + 1]; - char *str; - int i; - - i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); - - i2c_read (CONFIG_SYS_I2C_KEY_ADDR, 0, 0, (uchar *)kbd_data, KEYBD_DATALEN); - - for (i = 0; i < KEYBD_DATALEN; ++i) { - sprintf (keybd_env + i + i, "%02X", kbd_data[i]); - } - setenv ("keybd", keybd_env); - - str = strdup ((char *)key_match ((uchar *)keybd_env)); /* decode keys */ - -#ifdef CONFIG_PREBOOT /* automatically configure "preboot" command on key match */ - setenv ("preboot", str); /* set or delete definition */ -#endif /* CONFIG_PREBOOT */ - if (str != NULL) { - free (str); - } - - return (0); -} - -/*----------------------------------------------------------------------- - * Check if pressed key(s) match magic sequence, - * and return the command string associated with that key(s). - * - * If no key press was decoded, NULL is returned. - * - * Note: the first character of the argument will be overwritten with - * the "magic charcter code" of the decoded key(s), or '\0'. - * - * - * Note: the string points to static environment data and must be - * saved before you call any function that modifies the environment. - */ -#ifdef CONFIG_PREBOOT - -static uchar kbd_magic_prefix[] = "key_magic"; -static uchar kbd_command_prefix[] = "key_cmd"; - -static uchar *key_match (uchar * kbd_str) -{ - uchar magic[sizeof (kbd_magic_prefix) + 1]; - uchar cmd_name[sizeof (kbd_command_prefix) + 1]; - uchar *str, *suffix; - uchar *kbd_magic_keys; - char *cmd; - - /* - * The following string defines the characters that can pe appended - * to "key_magic" to form the names of environment variables that - * hold "magic" key codes, i. e. such key codes that can cause - * pre-boot actions. If the string is empty (""), then only - * "key_magic" is checked (old behaviour); the string "125" causes - * checks for "key_magic1", "key_magic2" and "key_magic5", etc. - */ - if ((kbd_magic_keys = (uchar *)getenv ("magic_keys")) != NULL) { - /* loop over all magic keys; - * use '\0' suffix in case of empty string - */ - for (suffix = kbd_magic_keys; - *suffix || suffix == kbd_magic_keys; - ++suffix) { - sprintf ((char *)magic, "%s%c", kbd_magic_prefix, *suffix); - -#if 0 - printf ("### Check magic \"%s\"\n", magic); -#endif - - if ((str = (uchar *)getenv ((char *)magic)) != 0) { - -#if 0 - printf ("### Compare \"%s\" \"%s\"\n", - kbd_str, str); -#endif - if (strcmp ((char *)kbd_str, (char *)str) == 0) { - sprintf ((char *)cmd_name, "%s%c", - kbd_command_prefix, - *suffix); - - if ((cmd = getenv ((char *)cmd_name)) != 0) { -#if 0 - printf ("### Set PREBOOT to $(%s): \"%s\"\n", - cmd_name, cmd); -#endif - return ((uchar *)cmd); - } - } - } - } - } -#if 0 - printf ("### Delete PREBOOT\n"); -#endif - *kbd_str = '\0'; - return (NULL); -} -#endif /* CONFIG_PREBOOT */ - -/* Read Keyboard status */ -int do_kbd (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) -{ - uchar kbd_data[KEYBD_DATALEN]; - uchar keybd_env[2 * KEYBD_DATALEN + 1]; - int i; - - i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); - - /* Read keys */ - i2c_read (CONFIG_SYS_I2C_KEY_ADDR, 0, 0, kbd_data, KEYBD_DATALEN); - - puts ("Keys:"); - for (i = 0; i < KEYBD_DATALEN; ++i) { - sprintf ((char *)(keybd_env + i + i), "%02X", kbd_data[i]); - printf (" %02x", kbd_data[i]); - } - putc ('\n'); - setenv ("keybd", (char *)keybd_env); - return 0; -} - -U_BOOT_CMD( - kbd, 1, 1, do_kbd, - "read keyboard status", - "" -); |