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Diffstat (limited to 'board/uc101/uc101.c')
| -rw-r--r-- | board/uc101/uc101.c | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/board/uc101/uc101.c b/board/uc101/uc101.c deleted file mode 100644 index c7dfb7bad1..0000000000 --- a/board/uc101/uc101.c +++ /dev/null @@ -1,381 +0,0 @@ -/* - * (C) Copyright 2006 - * Heiko Schocher, DENX Software Engineering, hs@denx.de. - * - * (C) Copyright 2003-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2004 - * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. - * - * (C) Copyright 2004 - * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.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 - */ - -#include <common.h> -#include <fdt_support.h> -#include <mpc5xxx.h> -#include <pci.h> -#include <malloc.h> - -/* some SIMPLE GPIO Pins */ -#define GPIO_USB_8 (31-12) -#define GPIO_USB_7 (31-13) -#define GPIO_USB_6 (31-14) -#define GPIO_USB_0 (31-15) -#define GPIO_PSC3_7 (31-18) -#define GPIO_PSC3_6 (31-19) -#define GPIO_PSC3_1 (31-22) -#define GPIO_PSC3_0 (31-23) - -/* some simple Interrupt GPIO Pins */ -#define GPIO_PSC3_8 2 -#define GPIO_USB1_9 3 - -#define GPT_OUT_0 0x00000027 -#define GPT_OUT_1 0x00000037 -#define GPT_DISABLE 0x00000000 /* GPT pin disabled */ - -#define GP_SIMP_ENABLE_O(n, v) {pgpio->simple_dvo |= (v << n); \ - pgpio->simple_ddr |= (1 << n); \ - pgpio->simple_gpioe |= (1 << n); \ - } - -#define GP_SIMP_ENABLE_I(n) { pgpio->simple_ddr |= ~(1 << n); \ - pgpio->simple_gpioe |= (1 << n); \ - } - -#define GP_SIMP_SET_O(n, v) (pgpio->simple_dvo = v ? \ - (pgpio->simple_dvo | (1 << n)) : \ - (pgpio->simple_dvo & ~(1 << n)) ) - -#define GP_SIMP_GET_O(n) ((pgpio->simple_dvo >> n) & 1) -#define GP_SIMP_GET_I(n) ((pgpio->simple_ival >> n) & 1) - -#define GP_SINT_SET_O(n, v) (pgpio->sint_dvo = v ? \ - (pgpio->sint_dvo | (1 << n)) : \ - (pgpio->sint_dvo & ~(1 << n)) ) - -#define GP_SINT_ENABLE_O(n, v) {pgpio->sint_ode &= ~(1 << n); \ - pgpio->sint_ddr |= (1 << n); \ - GP_SINT_SET_O(n, v); \ - pgpio->sint_gpioe |= (1 << n); \ - } - -#define GP_SINT_ENABLE_I(n) { pgpio->sint_ddr |= ~(1 << n); \ - pgpio->sint_gpioe |= (1 << n); \ - } - -#define GP_SINT_GET_O(n) ((pgpio->sint_ival >> n) & 1) -#define GP_SINT_GET_I(n) ((pgpio-ntt_ival >> n) & 1) - -#define GP_TIMER_ENABLE_O(n, v) ( \ - ((volatile struct mpc5xxx_gpt *)(MPC5XXX_GPT + n))->emsr = v ? \ - GPT_OUT_1 : \ - GPT_OUT_0 ) - -#define GP_TIMER_SET_O(n, v) GP_TIMER_ENABLE_O(n, v) - -#define GP_TIMER_GET_O(n, v) ( \ - (((volatile struct mpc5xxx_gpt *)(MPC5XXX_GPT + n))->emsr & 0x10) >> 4) - -#define GP_TIMER_GET_I(n, v) ( \ - (((volatile struct mpc5xxx_gpt *)(MPC5XXX_GPT + n))->sr & 0x100) >> 8) - -#ifndef CONFIG_SYS_RAMBOOT -static void sdram_start (int hi_addr) -{ - long hi_addr_bit = hi_addr ? 0x01000000 : 0; - - /* unlock mode register */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | hi_addr_bit; - __asm__ volatile ("sync"); - - /* precharge all banks */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; - __asm__ volatile ("sync"); - -#if SDRAM_DDR - /* set mode register: extended mode */ - *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE; - __asm__ volatile ("sync"); - - /* set mode register: reset DLL */ - *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000; - __asm__ volatile ("sync"); -#endif - - /* precharge all banks */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; - __asm__ volatile ("sync"); - - /* auto refresh */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | hi_addr_bit; - __asm__ volatile ("sync"); - - /* set mode register */ - *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE; - __asm__ volatile ("sync"); - - /* normal operation */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit; - __asm__ volatile ("sync"); -} -#endif - -/* - * ATTENTION: Although partially referenced initdram does NOT make real use - * use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE - * is something else than 0x00000000. - */ - -phys_size_t initdram (int board_type) -{ - ulong dramsize = 0; -#ifndef CONFIG_SYS_RAMBOOT - ulong test1, test2; - - /* setup SDRAM chip selects */ - *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001c; /* 512MB at 0x0 */ - *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x40000000; /* disabled */ - __asm__ volatile ("sync"); - - /* setup config registers */ - *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1; - *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2; - __asm__ volatile ("sync"); - -#if SDRAM_DDR - /* set tap delay */ - *(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY; - __asm__ volatile ("sync"); -#endif - - /* find RAM size using SDRAM CS0 only */ - sdram_start(0); - test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000); - sdram_start(1); - test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000); - if (test1 > test2) { - sdram_start(0); - dramsize = test1; - } else { - dramsize = test2; - } - - /* memory smaller than 1MB is impossible */ - if (dramsize < (1 << 20)) { - dramsize = 0; - } - - /* set SDRAM CS0 size according to the amount of RAM found */ - if (dramsize > 0) { - *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 + - __builtin_ffs(dramsize >> 20) - 1; - } else { - *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */ - } - - *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */ -#else /* CONFIG_SYS_RAMBOOT */ - - /* retrieve size of memory connected to SDRAM CS0 */ - dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF; - if (dramsize >= 0x13) { - dramsize = (1 << (dramsize - 0x13)) << 20; - } else { - dramsize = 0; - } - - /* retrieve size of memory connected to SDRAM CS1 */ - dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF; - if (dramsize2 >= 0x13) { - dramsize2 = (1 << (dramsize2 - 0x13)) << 20; - } else { - dramsize2 = 0; - } - -#endif /* CONFIG_SYS_RAMBOOT */ - -/* return dramsize + dramsize2; */ - return dramsize; -} - -int checkboard (void) -{ - puts ("Board: MAN UC101\n"); - /* clear the Display */ - *(char *)(CONFIG_SYS_DISP_CWORD) = 0x80; - return 0; -} - -static void init_ports (void) -{ - volatile struct mpc5xxx_gpio *pgpio = - (struct mpc5xxx_gpio *)MPC5XXX_GPIO; - - GP_SIMP_ENABLE_I(GPIO_USB_8); /* HEX Bit 3 */ - GP_SIMP_ENABLE_I(GPIO_USB_7); /* HEX Bit 2 */ - GP_SIMP_ENABLE_I(GPIO_USB_6); /* HEX Bit 1 */ - GP_SIMP_ENABLE_I(GPIO_USB_0); /* HEX Bit 0 */ - GP_SIMP_ENABLE_I(GPIO_PSC3_0); /* Switch Menue A */ - GP_SIMP_ENABLE_I(GPIO_PSC3_1); /* Switch Menue B */ - GP_SIMP_ENABLE_I(GPIO_PSC3_6); /* Switch Cold_Warm */ - GP_SIMP_ENABLE_I(GPIO_PSC3_7); /* Switch Restart */ - GP_SINT_ENABLE_O(GPIO_PSC3_8, 0); /* LED H2 */ - GP_SINT_ENABLE_O(GPIO_USB1_9, 0); /* LED H3 */ - GP_TIMER_ENABLE_O(4, 0); /* LED H4 */ - GP_TIMER_ENABLE_O(5, 0); /* LED H5 */ - GP_TIMER_ENABLE_O(3, 0); /* LED HB */ - GP_TIMER_ENABLE_O(1, 0); /* RES_COLDSTART */ -} - -#ifdef CONFIG_PREBOOT - -static uchar kbd_magic_prefix[] = "key_magic"; -static uchar kbd_command_prefix[] = "key_cmd"; - -struct kbd_data_t { - char s1; -}; - -struct kbd_data_t* get_keys (struct kbd_data_t *kbd_data) -{ - volatile struct mpc5xxx_gpio *pgpio = - (struct mpc5xxx_gpio *)MPC5XXX_GPIO; - - kbd_data->s1 = GP_SIMP_GET_I(GPIO_USB_8) << 3 | \ - GP_SIMP_GET_I(GPIO_USB_7) << 2 | \ - GP_SIMP_GET_I(GPIO_USB_6) << 1 | \ - GP_SIMP_GET_I(GPIO_USB_0) << 0; - return kbd_data; -} - -static int compare_magic (const struct kbd_data_t *kbd_data, char *str) -{ - char s1 = str[0]; - - if (s1 >= '0' && s1 <= '9') - s1 -= '0'; - else if (s1 >= 'a' && s1 <= 'f') - s1 = s1 - 'a' + 10; - else if (s1 >= 'A' && s1 <= 'F') - s1 = s1 - 'A' + 10; - else - return -1; - - if (s1 != kbd_data->s1) return -1; - return 0; -} - -static char *key_match (const struct kbd_data_t *kbd_data) -{ - char magic[sizeof (kbd_magic_prefix) + 1]; - char *suffix; - char *kbd_magic_keys; - - /* - * The following string defines the characters that can be 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 = getenv ("magic_keys")) == NULL) - kbd_magic_keys = ""; - - /* 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 (magic, "%s%c", kbd_magic_prefix, *suffix); - - if (compare_magic(kbd_data, getenv(magic)) == 0) { - char cmd_name[sizeof (kbd_command_prefix) + 1]; - char *cmd; - - sprintf (cmd_name, "%s%c", kbd_command_prefix, *suffix); - cmd = getenv (cmd_name); - - return (cmd); - } - } - - return (NULL); -} - -#endif /* CONFIG_PREBOOT */ - -int misc_init_r (void) -{ - /* Init the I/O ports */ - init_ports (); - -#ifdef CONFIG_PREBOOT - struct kbd_data_t kbd_data; - /* Decode keys */ - char *str = strdup (key_match (get_keys (&kbd_data))); - /* Set or delete definition */ - setenv ("preboot", str); - free (str); -#endif /* CONFIG_PREBOOT */ - return 0; -} - -int board_early_init_r (void) -{ - *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */ - *(vu_long *)MPC5XXX_BOOTCS_START = - *(vu_long *)MPC5XXX_CS0_START = START_REG(CONFIG_SYS_FLASH_BASE); - *(vu_long *)MPC5XXX_BOOTCS_STOP = - *(vu_long *)MPC5XXX_CS0_STOP = STOP_REG(CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_SIZE); - /* Interbus enable it here ?? */ - *(vu_long *)MPC5XXX_GPT6_ENABLE = GPT_OUT_1; - return 0; -} -#ifdef CONFIG_PCI -static struct pci_controller hose; - -extern void pci_mpc5xxx_init(struct pci_controller *); - -void pci_init_board(void) -{ - pci_mpc5xxx_init(&hose); -} -#endif - -#if defined(CONFIG_HW_WATCHDOG) -void hw_watchdog_reset(void) -{ - /* Trigger HW Watchdog with TIMER_0 */ - *(vu_long *)MPC5XXX_GPT0_ENABLE = GPT_OUT_1; - *(vu_long *)MPC5XXX_GPT0_ENABLE = GPT_OUT_0; -} -#endif - -#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) -void ft_board_setup(void *blob, bd_t *bd) -{ - ft_cpu_setup(blob, bd); -} -#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ |