diff options
Diffstat (limited to 'board/liebherr/lwmon5')
| -rw-r--r-- | board/liebherr/lwmon5/Kconfig | 12 | ||||
| -rw-r--r-- | board/liebherr/lwmon5/MAINTAINERS | 6 | ||||
| -rw-r--r-- | board/liebherr/lwmon5/Makefile | 9 | ||||
| -rw-r--r-- | board/liebherr/lwmon5/config.mk | 18 | ||||
| -rw-r--r-- | board/liebherr/lwmon5/init.S | 75 | ||||
| -rw-r--r-- | board/liebherr/lwmon5/kbd.c | 491 | ||||
| -rw-r--r-- | board/liebherr/lwmon5/lwmon5.c | 551 | ||||
| -rw-r--r-- | board/liebherr/lwmon5/sdram.c | 249 |
8 files changed, 0 insertions, 1411 deletions
diff --git a/board/liebherr/lwmon5/Kconfig b/board/liebherr/lwmon5/Kconfig deleted file mode 100644 index ec8349da98..0000000000 --- a/board/liebherr/lwmon5/Kconfig +++ /dev/null @@ -1,12 +0,0 @@ -if TARGET_LWMON5 - -config SYS_BOARD - default "lwmon5" - -config SYS_VENDOR - default "liebherr" - -config SYS_CONFIG_NAME - default "lwmon5" - -endif diff --git a/board/liebherr/lwmon5/MAINTAINERS b/board/liebherr/lwmon5/MAINTAINERS deleted file mode 100644 index df4573012c..0000000000 --- a/board/liebherr/lwmon5/MAINTAINERS +++ /dev/null @@ -1,6 +0,0 @@ -LWMON5 BOARD -M: Stefan Roese <sr@denx.de> -S: Maintained -F: board/liebherr/lwmon5/ -F: include/configs/lwmon5.h -F: configs/lwmon5_defconfig diff --git a/board/liebherr/lwmon5/Makefile b/board/liebherr/lwmon5/Makefile deleted file mode 100644 index 02478ca0c8..0000000000 --- a/board/liebherr/lwmon5/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# (C) Copyright 2002-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y = lwmon5.o kbd.o sdram.o -extra-y += init.o diff --git a/board/liebherr/lwmon5/config.mk b/board/liebherr/lwmon5/config.mk deleted file mode 100644 index d0348e8024..0000000000 --- a/board/liebherr/lwmon5/config.mk +++ /dev/null @@ -1,18 +0,0 @@ -# -# (C) Copyright 2002 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# -# lwmon5 (440EPx) -# - -PLATFORM_CPPFLAGS += -DCONFIG_440=1 - -ifeq ($(debug),1) -PLATFORM_CPPFLAGS += -DDEBUG -endif - -ifeq ($(dbcr),1) -PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000 -endif diff --git a/board/liebherr/lwmon5/init.S b/board/liebherr/lwmon5/init.S deleted file mode 100644 index e5207c2b40..0000000000 --- a/board/liebherr/lwmon5/init.S +++ /dev/null @@ -1,75 +0,0 @@ -/* - * (C) Copyright 2007 - * Stefan Roese, DENX Software Engineering, sr@denx.de. - * - * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm-offsets.h> -#include <ppc_asm.tmpl> -#include <config.h> -#include <asm/mmu.h> - -/************************************************************************** - * TLB TABLE - * - * This table is used by the cpu boot code to setup the initial tlb - * entries. Rather than make broad assumptions in the cpu source tree, - * this table lets each board set things up however they like. - * - * Pointer to the table is returned in r1 - * - *************************************************************************/ - .section .bootpg,"ax" - .globl tlbtab - -tlbtab: - tlbtab_start - - /* - * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the - * speed up boot process. It is patched after relocation to enable SA_I - */ - tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_256M, CONFIG_SYS_BOOT_BASE_ADDR, 1, AC_RWX | SA_G) - - /* - * TLB entries for SDRAM are not needed on this platform. - * They are dynamically generated in the SPD DDR(2) detection - * routine. - */ - -#ifdef CONFIG_SYS_INIT_RAM_DCACHE - /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ - tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_RWX | SA_G) -#endif - - /* TLB-entry for PCI Memory */ - tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, 1, AC_RW | SA_IG) - tlbentry(CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 1, AC_RW | SA_IG) - tlbentry(CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 1, AC_RW | SA_IG) - tlbentry(CONFIG_SYS_PCI_MEMBASE3, SZ_256M, CONFIG_SYS_PCI_MEMBASE3, 1, AC_RW | SA_IG) - - /* TLB-entry for the FPGA Chip select 2 */ - tlbentry(CONFIG_SYS_FPGA_BASE_0, SZ_1M, CONFIG_SYS_FPGA_BASE_0, 1, AC_RWX | SA_I|SA_G) - - /* TLB-entry for the FPGA Chip select 3 */ - tlbentry(CONFIG_SYS_FPGA_BASE_1, SZ_1M, CONFIG_SYS_FPGA_BASE_1, 1,AC_RWX | SA_I|SA_G) - - /* TLB-entry for the LIME Controller */ - tlbentry(CONFIG_SYS_LIME_BASE_0, SZ_16M, CONFIG_SYS_LIME_BASE_0, 1, AC_RWX | SA_I|SA_G) - tlbentry(CONFIG_SYS_LIME_BASE_1, SZ_16M, CONFIG_SYS_LIME_BASE_1, 1, AC_RWX | SA_I|SA_G) - tlbentry(CONFIG_SYS_LIME_BASE_2, SZ_16M, CONFIG_SYS_LIME_BASE_2, 1, AC_RWX | SA_I|SA_G) - tlbentry(CONFIG_SYS_LIME_BASE_3, SZ_16M, CONFIG_SYS_LIME_BASE_3, 1, AC_RWX | SA_I|SA_G) - - /* TLB-entry for Internal Registers & OCM */ - tlbentry(0xe0000000, SZ_16M, 0xe0000000, 0, AC_RWX | SA_I) - - /*TLB-entry PCI registers*/ - tlbentry(0xEEC00000, SZ_1K, 0xEEC00000, 1, AC_RWX | SA_IG) - - /* TLB-entry for peripherals */ - tlbentry(0xEF000000, SZ_16M, 0xEF000000, 1, AC_RWX | SA_IG) - - tlbtab_end diff --git a/board/liebherr/lwmon5/kbd.c b/board/liebherr/lwmon5/kbd.c deleted file mode 100644 index d6c0a205a3..0000000000 --- a/board/liebherr/lwmon5/kbd.c +++ /dev/null @@ -1,491 +0,0 @@ -/* - * (C) Copyright 2007 - * Stefan Roese, DENX Software Engineering, sr@denx.de. - * - * (C) Copyright 2001, 2002 - * DENX Software Engineering - * Wolfgang Denk, wd@denx.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* define DEBUG for debugging output (obviously ;-)) */ -#if 0 -#define DEBUG -#endif - -#include <common.h> -#include <i2c.h> -#include <command.h> -#include <console.h> -#include <post.h> -#include <serial.h> -#include <malloc.h> - -#include <linux/types.h> -#include <linux/string.h> /* for strdup */ - -DECLARE_GLOBAL_DATA_PTR; - -static void kbd_init (void); -static int compare_magic (uchar *kbd_data, uchar *str); - -/*--------------------- Local macros and constants --------------------*/ -#define _NOT_USED_ 0xFFFFFFFF - -/*------------------------- dspic io expander -----------------------*/ -#define DSPIC_PON_STATUS_REG 0x80A -#define DSPIC_PON_INV_STATUS_REG 0x80C -#define DSPIC_PON_KEY_REG 0x810 -/*------------------------- Keyboard controller -----------------------*/ -/* command codes */ -#define KEYBD_CMD_READ_KEYS 0x01 -#define KEYBD_CMD_READ_VERSION 0x02 -#define KEYBD_CMD_READ_STATUS 0x03 -#define KEYBD_CMD_RESET_ERRORS 0x10 - -/* status codes */ -#define KEYBD_STATUS_MASK 0x3F -#define KEYBD_STATUS_H_RESET 0x20 -#define KEYBD_STATUS_BROWNOUT 0x10 -#define KEYBD_STATUS_WD_RESET 0x08 -#define KEYBD_STATUS_OVERLOAD 0x04 -#define KEYBD_STATUS_ILLEGAL_WR 0x02 -#define KEYBD_STATUS_ILLEGAL_RD 0x01 - -/* Number of bytes returned from Keyboard Controller */ -#define KEYBD_VERSIONLEN 2 /* version information */ - -/* - * This is different from the "old" lwmon dsPIC kbd controller - * implementation. Now the controller still answers with 9 bytes, - * but the last 3 bytes are always "0x06 0x07 0x08". So we just - * set the length to compare to 6 instead of 9. - */ -#define KEYBD_DATALEN 6 /* normal key scan data */ - -/* maximum number of "magic" key codes that can be assigned */ - -static uchar kbd_addr = CONFIG_SYS_I2C_KEYBD_ADDR; -static uchar dspic_addr = CONFIG_SYS_I2C_DSPIC_IO_ADDR; - -static uchar *key_match (uchar *); - -#define KEYBD_SET_DEBUGMODE '#' /* Magic key to enable debug output */ - -/*********************************************************************** -F* Function: int board_postclk_init (void) P*A*Z* - * -P* Parameters: none -P* -P* Returnvalue: int -P* - 0 is always returned. - * -Z* Intention: This function is the board_postclk_init() method implementation -Z* for the lwmon board. - * - ***********************************************************************/ -int board_postclk_init (void) -{ - kbd_init(); - - return (0); -} - -static void kbd_init (void) -{ - uchar kbd_data[KEYBD_DATALEN]; - uchar tmp_data[KEYBD_DATALEN]; - uchar val, errcd; - int i; - - i2c_set_bus_num(0); - - gd->arch.kbd_status = 0; - - /* Forced by PIC. Delays <= 175us loose */ - udelay(1000); - - /* Read initial keyboard error code */ - val = KEYBD_CMD_READ_STATUS; - i2c_write (kbd_addr, 0, 0, &val, 1); - i2c_read (kbd_addr, 0, 0, &errcd, 1); - /* clear unused bits */ - errcd &= KEYBD_STATUS_MASK; - /* clear "irrelevant" bits. Recommended by Martin Rajek, LWN */ - errcd &= ~(KEYBD_STATUS_H_RESET|KEYBD_STATUS_BROWNOUT); - if (errcd) { - gd->arch.kbd_status |= errcd << 8; - } - /* Reset error code and verify */ - val = KEYBD_CMD_RESET_ERRORS; - i2c_write (kbd_addr, 0, 0, &val, 1); - udelay(1000); /* delay NEEDED by keyboard PIC !!! */ - - val = KEYBD_CMD_READ_STATUS; - i2c_write (kbd_addr, 0, 0, &val, 1); - i2c_read (kbd_addr, 0, 0, &val, 1); - - val &= KEYBD_STATUS_MASK; /* clear unused bits */ - if (val) { /* permanent error, report it */ - gd->arch.kbd_status |= val; - return; - } - - /* - * Read current keyboard state. - * - * After the error reset it may take some time before the - * keyboard PIC picks up a valid keyboard scan - the total - * scan time is approx. 1.6 ms (information by Martin Rajek, - * 28 Sep 2002). We read a couple of times for the keyboard - * to stabilize, using a big enough delay. - * 10 times should be enough. If the data is still changing, - * we use what we get :-( - */ - - memset (tmp_data, 0xFF, KEYBD_DATALEN); /* impossible value */ - for (i=0; i<10; ++i) { - val = KEYBD_CMD_READ_KEYS; - i2c_write (kbd_addr, 0, 0, &val, 1); - i2c_read (kbd_addr, 0, 0, kbd_data, KEYBD_DATALEN); - - if (memcmp(kbd_data, tmp_data, KEYBD_DATALEN) == 0) { - /* consistent state, done */ - break; - } - /* remeber last state, delay, and retry */ - memcpy (tmp_data, kbd_data, KEYBD_DATALEN); - udelay (5000); - } -} - - -/* Read a register from the dsPIC. */ -int _dspic_read(ushort reg, ushort *data) -{ - uchar buf[sizeof(*data)]; - int rval; - - if (i2c_read(dspic_addr, reg, 2, buf, 2)) - return -1; - - rval = i2c_read(dspic_addr, reg, sizeof(reg), buf, sizeof(*data)); - *data = (buf[0] << 8) | buf[1]; - - return rval; -} - - -/*********************************************************************** -F* Function: int misc_init_r (void) P*A*Z* - * -P* Parameters: none -P* -P* Returnvalue: int -P* - 0 is always returned, even in the case of a keyboard -P* error. - * -Z* Intention: This function is the misc_init_r() method implementation -Z* for the lwmon board. -Z* The keyboard controller is initialized and the result -Z* of a read copied to the environment variable "keybd". -Z* If KEYBD_SET_DEBUGMODE is defined, a check is made for -Z* this key, and if found display to the LCD will be enabled. -Z* The keys in "keybd" are checked against the magic -Z* keycommands defined in the environment. -Z* See also key_match(). - * -D* Design: wd@denx.de -C* Coding: wd@denx.de -V* Verification: dzu@denx.de - ***********************************************************************/ -int misc_init_r_kbd (void) -{ - uchar kbd_data[KEYBD_DATALEN]; - char keybd_env[2 * KEYBD_DATALEN + 1]; - uchar kbd_init_status = gd->arch.kbd_status >> 8; - uchar kbd_status = gd->arch.kbd_status; - uchar val; - ushort data, inv_data; - char *str; - int i; - - if (kbd_init_status) { - printf ("KEYBD: Error %02X\n", kbd_init_status); - } - if (kbd_status) { /* permanent error, report it */ - printf ("*** Keyboard error code %02X ***\n", kbd_status); - sprintf (keybd_env, "%02X", kbd_status); - setenv ("keybd", keybd_env); - return 0; - } - - /* - * Now we know that we have a working keyboard, so disable - * all output to the LCD except when a key press is detected. - */ - - if ((console_assign (stdout, "serial") < 0) || - (console_assign (stderr, "serial") < 0)) { - printf ("Can't assign serial port as output device\n"); - } - - /* Read Version */ - val = KEYBD_CMD_READ_VERSION; - i2c_write (kbd_addr, 0, 0, &val, 1); - i2c_read (kbd_addr, 0, 0, kbd_data, KEYBD_VERSIONLEN); - printf ("KEYBD: Version %d.%d\n", kbd_data[0], kbd_data[1]); - - /* Read current keyboard state */ - val = KEYBD_CMD_READ_KEYS; - i2c_write (kbd_addr, 0, 0, &val, 1); - i2c_read (kbd_addr, 0, 0, kbd_data, KEYBD_DATALEN); - - /* read out start key from bse01 received via can */ - _dspic_read(DSPIC_PON_STATUS_REG, &data); - /* check highbyte from status register */ - if (data > 0xFF) { - _dspic_read(DSPIC_PON_INV_STATUS_REG, &inv_data); - - /* check inverse data */ - if ((data+inv_data) == 0xFFFF) { - /* don't overwrite local key */ - if (kbd_data[1] == 0) { - /* read key value */ - _dspic_read(DSPIC_PON_KEY_REG, &data); - str = (char *)&data; - /* swap bytes */ - kbd_data[1] = str[1]; - kbd_data[2] = str[0]; - printf("CAN received startkey: 0x%X\n", data); - } - } - } - - 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 (kbd_data)); /* decode keys */ -#ifdef KEYBD_SET_DEBUGMODE - if (kbd_data[0] == KEYBD_SET_DEBUGMODE) { /* set debug mode */ - if ((console_assign (stdout, "lcd") < 0) || - (console_assign (stderr, "lcd") < 0)) { - printf ("Can't assign LCD display as output device\n"); - } - } -#endif /* KEYBD_SET_DEBUGMODE */ -#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); -} - -#ifdef CONFIG_PREBOOT - -static uchar kbd_magic_prefix[] = "key_magic"; -static uchar kbd_command_prefix[] = "key_cmd"; - -static int compare_magic (uchar *kbd_data, uchar *str) -{ - uchar compare[KEYBD_DATALEN-1]; - char *nxt; - int i; - - /* Don't include modifier byte */ - memcpy (compare, kbd_data+1, KEYBD_DATALEN-1); - - for (; str != NULL; str = (*nxt) ? (uchar *)(nxt+1) : (uchar *)nxt) { - uchar c; - int k; - - c = (uchar) simple_strtoul ((char *)str, (char **) (&nxt), 16); - - if (str == (uchar *)nxt) { /* invalid character */ - break; - } - - /* - * Check if this key matches the input. - * Set matches to zero, so they match only once - * and we can find duplicates or extra keys - */ - for (k = 0; k < sizeof(compare); ++k) { - if (compare[k] == '\0') /* only non-zero entries */ - continue; - if (c == compare[k]) { /* found matching key */ - compare[k] = '\0'; - break; - } - } - if (k == sizeof(compare)) { - return -1; /* unmatched key */ - } - } - - /* - * A full match leaves no keys in the `compare' array, - */ - for (i = 0; i < sizeof(compare); ++i) { - if (compare[i]) - { - return -1; - } - } - - return 0; -} - -/*********************************************************************** -F* Function: static uchar *key_match (uchar *kbd_data) P*A*Z* - * -P* Parameters: uchar *kbd_data -P* - The keys to match against our magic definitions -P* -P* Returnvalue: uchar * -P* - != NULL: Pointer to the corresponding command(s) -P* NULL: No magic is about to happen - * -Z* Intention: Check if pressed key(s) match magic sequence, -Z* and return the command string associated with that key(s). -Z* -Z* If no key press was decoded, NULL is returned. -Z* -Z* Note: the first character of the argument will be -Z* overwritten with the "magic charcter code" of the -Z* decoded key(s), or '\0'. -Z* -Z* Note: the string points to static environment data -Z* and must be saved before you call any function that -Z* modifies the environment. - * -D* Design: wd@denx.de -C* Coding: wd@denx.de -V* Verification: dzu@denx.de - ***********************************************************************/ -static uchar *key_match (uchar *kbd_data) -{ - char magic[sizeof (kbd_magic_prefix) + 1]; - uchar *suffix; - char *kbd_magic_keys; - - /* - * 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 = getenv ("magic_keys")) == NULL) - kbd_magic_keys = ""; - - /* loop over all magic keys; - * use '\0' suffix in case of empty string - */ - for (suffix=(uchar *)kbd_magic_keys; *suffix || suffix==(uchar *)kbd_magic_keys; ++suffix) { - sprintf (magic, "%s%c", kbd_magic_prefix, *suffix); - debug ("### Check magic \"%s\"\n", magic); - if (compare_magic(kbd_data, (uchar *)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); - debug ("### Set PREBOOT to $(%s): \"%s\"\n", - cmd_name, cmd ? cmd : "<<NULL>>"); - *kbd_data = *suffix; - return ((uchar *)cmd); - } - } - debug ("### Delete PREBOOT\n"); - *kbd_data = '\0'; - return (NULL); -} -#endif /* CONFIG_PREBOOT */ - -/*********************************************************************** -F* Function: int do_kbd (cmd_tbl_t *cmdtp, int flag, -F* int argc, char * const argv[]) P*A*Z* - * -P* Parameters: cmd_tbl_t *cmdtp -P* - Pointer to our command table entry -P* int flag -P* - If the CMD_FLAG_REPEAT bit is set, then this call is -P* a repetition -P* int argc -P* - Argument count -P* char * const argv[] -P* - Array of the actual arguments -P* -P* Returnvalue: int -P* - 0 is always returned. - * -Z* Intention: Implement the "kbd" command. -Z* The keyboard status is read. The result is printed on -Z* the console and written into the "keybd" environment -Z* variable. - * -D* Design: wd@denx.de -C* Coding: wd@denx.de -V* Verification: dzu@denx.de - ***********************************************************************/ -int do_kbd (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - uchar kbd_data[KEYBD_DATALEN]; - char keybd_env[2 * KEYBD_DATALEN + 1]; - uchar val; - int i; - -#if 0 /* Done in kbd_init */ - i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); -#endif - - /* Read keys */ - val = KEYBD_CMD_READ_KEYS; - i2c_write (kbd_addr, 0, 0, &val, 1); - i2c_read (kbd_addr, 0, 0, kbd_data, KEYBD_DATALEN); - - puts ("Keys:"); - for (i = 0; i < KEYBD_DATALEN; ++i) { - sprintf (keybd_env + i + i, "%02X", kbd_data[i]); - printf (" %02x", kbd_data[i]); - } - putc ('\n'); - setenv ("keybd", keybd_env); - return 0; -} - -U_BOOT_CMD( - kbd, 1, 1, do_kbd, - "read keyboard status", - "" -); - -/*----------------------------- Utilities -----------------------------*/ - -#ifdef CONFIG_POST -/* - * Returns 1 if keys pressed to start the power-on long-running tests - * Called from board_init_f(). - */ -int post_hotkeys_pressed(void) -{ - uchar kbd_data[KEYBD_DATALEN]; - uchar val; - - /* Read keys */ - val = KEYBD_CMD_READ_KEYS; - i2c_write (kbd_addr, 0, 0, &val, 1); - i2c_read (kbd_addr, 0, 0, kbd_data, KEYBD_DATALEN); - - return (compare_magic(kbd_data, (uchar *)CONFIG_POST_KEY_MAGIC) == 0); -} -#endif diff --git a/board/liebherr/lwmon5/lwmon5.c b/board/liebherr/lwmon5/lwmon5.c deleted file mode 100644 index bb99a3b90f..0000000000 --- a/board/liebherr/lwmon5/lwmon5.c +++ /dev/null @@ -1,551 +0,0 @@ -/* - * (C) Copyright 2007-2013 - * Stefan Roese, DENX Software Engineering, sr@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <asm/ppc440.h> -#include <asm/processor.h> -#include <asm/ppc4xx-gpio.h> -#include <asm/io.h> -#include <post.h> -#include <flash.h> -#include <video.h> -#include <mtd/cfi_flash.h> - -DECLARE_GLOBAL_DATA_PTR; - -static phys_addr_t lwmon5_cfi_flash_bank_addr[2] = CONFIG_SYS_FLASH_BANKS_LIST; - -ulong flash_get_size(ulong base, int banknum); -int misc_init_r_kbd(void); - -int board_early_init_f(void) -{ - u32 sdr0_pfc1, sdr0_pfc2; - u32 reg; - - /* PLB Write pipelining disabled. Denali Core workaround */ - mtdcr(PLB4A0_ACR, 0xDE000000); - mtdcr(PLB4A1_ACR, 0xDE000000); - - /*-------------------------------------------------------------------- - * Setup the interrupt controller polarities, triggers, etc. - *-------------------------------------------------------------------*/ - mtdcr(UIC0SR, 0xffffffff); /* clear all. if write with 1 then the status is cleared */ - mtdcr(UIC0ER, 0x00000000); /* disable all */ - mtdcr(UIC0CR, 0x00000000); /* we have not critical interrupts at the moment */ - mtdcr(UIC0PR, 0xFFBFF1EF); /* Adjustment of the polarity */ - mtdcr(UIC0TR, 0x00000900); /* per ref-board manual */ - mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ - mtdcr(UIC0SR, 0xffffffff); /* clear all */ - - mtdcr(UIC1SR, 0xffffffff); /* clear all */ - mtdcr(UIC1ER, 0x00000000); /* disable all */ - mtdcr(UIC1CR, 0x00000000); /* all non-critical */ - mtdcr(UIC1PR, 0xFFFFC6A5); /* Adjustment of the polarity */ - mtdcr(UIC1TR, 0x60000040); /* per ref-board manual */ - mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ - mtdcr(UIC1SR, 0xffffffff); /* clear all */ - - mtdcr(UIC2SR, 0xffffffff); /* clear all */ - mtdcr(UIC2ER, 0x00000000); /* disable all */ - mtdcr(UIC2CR, 0x00000000); /* all non-critical */ - mtdcr(UIC2PR, 0x27C00000); /* Adjustment of the polarity */ - mtdcr(UIC2TR, 0x3C000000); /* per ref-board manual */ - mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ - mtdcr(UIC2SR, 0xffffffff); /* clear all */ - - /* Trace Pins are disabled. SDR0_PFC0 Register */ - mtsdr(SDR0_PFC0, 0x0); - - /* select Ethernet pins */ - mfsdr(SDR0_PFC1, sdr0_pfc1); - /* SMII via ZMII */ - sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) | - SDR0_PFC1_SELECT_CONFIG_6; - mfsdr(SDR0_PFC2, sdr0_pfc2); - sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) | - SDR0_PFC2_SELECT_CONFIG_6; - - /* enable SPI (SCP) */ - sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_SCP_SEL; - - mtsdr(SDR0_PFC2, sdr0_pfc2); - mtsdr(SDR0_PFC1, sdr0_pfc1); - - mtsdr(SDR0_PFC4, 0x80000000); - - /* PCI arbiter disabled */ - /* PCI Host Configuration disbaled */ - mfsdr(SDR0_PCI0, reg); - reg = 0; - mtsdr(SDR0_PCI0, 0x00000000 | reg); - - gpio_write_bit(CONFIG_SYS_GPIO_FLASH_WP, 1); - -#if CONFIG_POST & CONFIG_SYS_POST_BSPEC1 - /* enable the LSB transmitter */ - gpio_write_bit(CONFIG_SYS_GPIO_LSB_ENABLE, 1); - /* enable the CAN transmitter */ - gpio_write_bit(CONFIG_SYS_GPIO_CAN_ENABLE, 1); - - reg = 0; /* reuse as counter */ - out_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR, - in_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR) - & ~CONFIG_SYS_DSPIC_TEST_MASK); - while (gpio_read_in_bit(CONFIG_SYS_GPIO_DSPIC_READY) && reg++ < 1000) { - udelay(1000); - } - if (gpio_read_in_bit(CONFIG_SYS_GPIO_DSPIC_READY)) { - /* set "boot error" flag */ - out_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR, - in_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR) | - CONFIG_SYS_DSPIC_TEST_MASK); - } -#endif - - /* - * Reset PHY's: - * The PHY's need a 2nd reset pulse, since the MDIO address is latched - * upon reset, and with the first reset upon powerup, the addresses are - * not latched reliable, since the IRQ line is multiplexed with an - * MDIO address. A 2nd reset at this time will make sure, that the - * correct address is latched. - */ - gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 1); - gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 1); - udelay(1000); - gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 0); - gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 0); - udelay(1000); - gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 1); - gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 1); - - return 0; -} - -/* - * Override weak default with board specific version - */ -phys_addr_t cfi_flash_bank_addr(int bank) -{ - return lwmon5_cfi_flash_bank_addr[bank]; -} - -/* - * Override the weak default mapping function with a board specific one - */ -u32 flash_get_bank_size(int cs, int idx) -{ - return flash_info[idx].size; -} - -int board_early_init_r(void) -{ - u32 val0, val1; - - /* - * lwmon5 is manufactured in 2 different board versions: - * The lwmon5a board has 64MiB NOR flash instead of the - * 128MiB of the original lwmon5. Unfortunately the CFI driver - * will report 2 banks of 64MiB even for the smaller flash - * chip, since the bank is mirrored. To fix this, we bring - * one bank into CFI query mode and read its response. This - * enables us to detect the real number of flash devices/ - * banks which will be used later on by the common CFI driver. - */ - - /* Put bank 0 into CFI command mode and read */ - out_be32((void *)CONFIG_SYS_FLASH0, 0x00980098); - val0 = in_be32((void *)CONFIG_SYS_FLASH0 + FLASH_OFFSET_CFI_RESP); - val1 = in_be32((void *)CONFIG_SYS_FLASH1 + FLASH_OFFSET_CFI_RESP); - - /* Reset flash again out of query mode */ - out_be32((void *)CONFIG_SYS_FLASH0, 0x00f000f0); - - /* When not identical, we have 2 different flash devices/banks */ - if (val0 != val1) - return 0; - - /* - * Now we're sure that we're running on a LWMON5a board with - * only 64MiB NOR flash in one bank: - * - * Set flash base address and bank count for CFI driver probing. - */ - cfi_flash_num_flash_banks = 1; - lwmon5_cfi_flash_bank_addr[0] = CONFIG_SYS_FLASH0; - - return 0; -} - -int misc_init_r(void) -{ - u32 pbcr; - int size_val = 0; - u32 reg; - unsigned long usb2d0cr = 0; - unsigned long usb2phy0cr, usb2h0cr = 0; - unsigned long sdr0_pfc1, sdr0_srst; - - /* - * FLASH stuff... - */ - - /* Re-do sizing to get full correct info */ - - /* adjust flash start and offset */ - gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; - gd->bd->bi_flashoffset = 0; - - mfebc(PB0CR, pbcr); - size_val = ffs(gd->bd->bi_flashsize) - 21; - pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); - mtebc(PB0CR, pbcr); - - /* - * Re-check to get correct base address - */ - flash_get_size(gd->bd->bi_flashstart, 0); - - /* Monitor protection ON by default */ - flash_protect(FLAG_PROTECT_SET, -CONFIG_SYS_MONITOR_LEN, 0xffffffff, - &flash_info[cfi_flash_num_flash_banks - 1]); - - /* Env protection ON by default */ - flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND, - CONFIG_ENV_ADDR_REDUND + 2 * CONFIG_ENV_SECT_SIZE - 1, - &flash_info[cfi_flash_num_flash_banks - 1]); - - /* - * USB suff... - */ - - /* Reset USB */ - /* Reset of USB2PHY0 must be active at least 10 us */ - mtsdr(SDR0_SRST0, SDR0_SRST0_USB2H | SDR0_SRST0_USB2D); - udelay(2000); - - mtsdr(SDR0_SRST1, SDR0_SRST1_USB20PHY | SDR0_SRST1_USB2HUTMI | - SDR0_SRST1_USB2HPHY | SDR0_SRST1_OPBA2 | - SDR0_SRST1_PLB42OPB1 | SDR0_SRST1_OPB2PLB40); - udelay(2000); - - /* Errata CHIP_6 */ - - /* 1. Set internal PHY configuration */ - /* SDR Setting */ - mfsdr(SDR0_PFC1, sdr0_pfc1); - mfsdr(SDR0_USB0, usb2d0cr); - mfsdr(SDR0_USB2PHY0CR, usb2phy0cr); - mfsdr(SDR0_USB2H0CR, usb2h0cr); - - usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/ - usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_WDINT_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/ - usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; /*1*/ - usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/ - usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/ - - /* - * An 8-bit/60MHz interface is the only possible alternative - * when connecting the Device to the PHY - */ - usb2h0cr = usb2h0cr & ~SDR0_USB2H0CR_WDINT_MASK; - usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/ - - mtsdr(SDR0_PFC1, sdr0_pfc1); - mtsdr(SDR0_USB0, usb2d0cr); - mtsdr(SDR0_USB2PHY0CR, usb2phy0cr); - mtsdr(SDR0_USB2H0CR, usb2h0cr); - - /* 2. De-assert internal PHY reset */ - mfsdr(SDR0_SRST1, sdr0_srst); - sdr0_srst = sdr0_srst & ~SDR0_SRST1_USB20PHY; - mtsdr(SDR0_SRST1, sdr0_srst); - - /* 3. Wait for more than 1 ms */ - udelay(2000); - - /* 4. De-assert USB 2.0 Host main reset */ - mfsdr(SDR0_SRST0, sdr0_srst); - sdr0_srst = sdr0_srst &~ SDR0_SRST0_USB2H; - mtsdr(SDR0_SRST0, sdr0_srst); - udelay(1000); - - /* 5. De-assert reset of OPB2 cores */ - mfsdr(SDR0_SRST1, sdr0_srst); - sdr0_srst = sdr0_srst &~ SDR0_SRST1_PLB42OPB1; - sdr0_srst = sdr0_srst &~ SDR0_SRST1_OPB2PLB40; - sdr0_srst = sdr0_srst &~ SDR0_SRST1_OPBA2; - mtsdr(SDR0_SRST1, sdr0_srst); - udelay(1000); - - /* 6. Set EHCI Configure FLAG */ - - /* 7. Reassert internal PHY reset: */ - mtsdr(SDR0_SRST1, SDR0_SRST1_USB20PHY); - udelay(1000); - - /* - * Clear resets - */ - mtsdr(SDR0_SRST1, 0x00000000); - mtsdr(SDR0_SRST0, 0x00000000); - - printf("USB: Host(int phy) Device(ext phy)\n"); - - /* - * Clear PLB4A0_ACR[WRP] - * This fix will make the MAL burst disabling patch for the Linux - * EMAC driver obsolete. - */ - reg = mfdcr(PLB4A0_ACR) & ~PLB4Ax_ACR_WRP_MASK; - mtdcr(PLB4A0_ACR, reg); - - /* - * Init matrix keyboard - */ - misc_init_r_kbd(); - - return 0; -} - -int checkboard(void) -{ - char buf[64]; - int i = getenv_f("serial#", buf, sizeof(buf)); - - printf("Board: %s", __stringify(CONFIG_HOSTNAME)); - - if (i > 0) { - puts(", serial# "); - puts(buf); - } - putc('\n'); - - return (0); -} - -void hw_watchdog_reset(void) -{ - int val; -#if defined(CONFIG_WD_MAX_RATE) - unsigned long long ct = get_ticks(); - - /* - * Don't allow watch-dog triggering more frequently than - * the predefined value CONFIG_WD_MAX_RATE [ticks]. - */ - if (ct >= gd->arch.wdt_last) { - if ((ct - gd->arch.wdt_last) < CONFIG_WD_MAX_RATE) - return; - } else { - /* Time base counter had been reset */ - if (((unsigned long long)(-1) - gd->arch.wdt_last + ct) < - CONFIG_WD_MAX_RATE) - return; - } - gd->arch.wdt_last = get_ticks(); -#endif - - /* - * Toggle watchdog output - */ - val = gpio_read_out_bit(CONFIG_SYS_GPIO_WATCHDOG) == 0 ? 1 : 0; - gpio_write_bit(CONFIG_SYS_GPIO_WATCHDOG, val); -} - -int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - if (argc < 2) - return cmd_usage(cmdtp); - - if ((strcmp(argv[1], "on") == 0)) - gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 1); - else if ((strcmp(argv[1], "off") == 0)) - gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 0); - else - return cmd_usage(cmdtp); - - return 0; -} - -U_BOOT_CMD( - eepromwp, 2, 0, do_eeprom_wp, - "eeprom write protect off/on", - "<on|off> - enable (on) or disable (off) I2C EEPROM write protect" -); - -#if defined(CONFIG_VIDEO) -#include <video_fb.h> -#include <mb862xx.h> - -extern GraphicDevice mb862xx; - -static const gdc_regs init_regs [] = { - { 0x0100, 0x00000f00 }, - { 0x0020, 0x801401df }, - { 0x0024, 0x00000000 }, - { 0x0028, 0x00000000 }, - { 0x002c, 0x00000000 }, - { 0x0110, 0x00000000 }, - { 0x0114, 0x00000000 }, - { 0x0118, 0x01df0280 }, - { 0x0004, 0x031f0000 }, - { 0x0008, 0x027f027f }, - { 0x000c, 0x015f028f }, - { 0x0010, 0x020c0000 }, - { 0x0014, 0x01df01ea }, - { 0x0018, 0x00000000 }, - { 0x001c, 0x01e00280 }, - { 0x0100, 0x80010f00 }, - { 0x0, 0x0 } -}; - -const gdc_regs *board_get_regs(void) -{ - return init_regs; -} - -/* Returns Lime base address */ -unsigned int board_video_init(void) -{ - /* - * Reset Lime controller - */ - gpio_write_bit(CONFIG_SYS_GPIO_LIME_S, 1); - udelay(500); - gpio_write_bit(CONFIG_SYS_GPIO_LIME_RST, 1); - - mb862xx.winSizeX = 640; - mb862xx.winSizeY = 480; - mb862xx.gdfBytesPP = 2; - mb862xx.gdfIndex = GDF_15BIT_555RGB; - - return CONFIG_SYS_LIME_BASE_0; -} - -#define DEFAULT_BRIGHTNESS 0x64 - -static void board_backlight_brightness(int brightness) -{ - if (brightness > 0) { - /* pwm duty, lamp on */ - out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000024), brightness); - out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000020), 0x701); - } else { - /* lamp off */ - out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000024), 0x00); - out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000020), 0x00); - } -} - -void board_backlight_switch(int flag) -{ - char * param; - int rc; - - if (flag) { - param = getenv("brightness"); - rc = param ? simple_strtol(param, NULL, 10) : -1; - if (rc < 0) - rc = DEFAULT_BRIGHTNESS; - } else { - rc = 0; - } - board_backlight_brightness(rc); -} - -#if defined(CONFIG_CONSOLE_EXTRA_INFO) -/* - * Return text to be printed besides the logo. - */ -void video_get_info_str(int line_number, char *info) -{ - if (line_number == 1) - strcpy(info, " Board: Lwmon5 (Liebherr Elektronik GmbH)"); - else - info [0] = '\0'; -} -#endif /* CONFIG_CONSOLE_EXTRA_INFO */ -#endif /* CONFIG_VIDEO */ - -void board_reset(void) -{ - gpio_write_bit(CONFIG_SYS_GPIO_BOARD_RESET, 1); -} - -#ifdef CONFIG_SPL_OS_BOOT -/* - * lwmon5 specific implementation of spl_start_uboot() - * - * RETURN - * 0 if booting into OS is selected (default) - * 1 if booting into U-Boot is selected - */ -int spl_start_uboot(void) -{ - char s[8]; - - env_init(); - getenv_f("boot_os", s, sizeof(s)); - if ((s != NULL) && (strcmp(s, "yes") == 0)) - return 0; - - return 1; -} - -/* - * This function is called from the SPL U-Boot version for - * early init stuff, that needs to be done for OS (e.g. Linux) - * booting. Doing it later in the real U-Boot would not work - * in case that the SPL U-Boot boots Linux directly. - */ -void spl_board_init(void) -{ - const gdc_regs *regs = board_get_regs(); - - /* - * Setup PFC registers, mainly for ethernet support - * later on in Linux - */ - board_early_init_f(); - - /* enable the LSB transmitter */ - gpio_write_bit(CONFIG_SYS_GPIO_LSB_ENABLE, 1); - - /* - * Clear resets - */ - mtsdr(SDR0_SRST1, 0x00000000); - mtsdr(SDR0_SRST0, 0x00000000); - - /* - * Reset Lime controller - */ - gpio_write_bit(CONFIG_SYS_GPIO_LIME_S, 1); - udelay(500); - gpio_write_bit(CONFIG_SYS_GPIO_LIME_RST, 1); - - out_be32((void *)CONFIG_SYS_LIME_SDRAM_CLOCK, CONFIG_SYS_MB862xx_CCF); - udelay(300); - out_be32((void *)CONFIG_SYS_LIME_MMR, CONFIG_SYS_MB862xx_MMR); - - while (regs->index) { - out_be32((void *)(CONFIG_SYS_LIME_BASE_0 + GC_DISP_BASE) + - regs->index, regs->value); - regs++; - } - - board_backlight_brightness(DEFAULT_BRIGHTNESS); -} -#endif diff --git a/board/liebherr/lwmon5/sdram.c b/board/liebherr/lwmon5/sdram.c deleted file mode 100644 index 4a65d74443..0000000000 --- a/board/liebherr/lwmon5/sdram.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * (C) Copyright 2006 - * Sylvie Gohl, AMCC/IBM, gohl.sylvie@fr.ibm.com - * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com - * Thierry Roman, AMCC/IBM, thierry_roman@fr.ibm.com - * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com - * Robert Snyder, AMCC/IBM, rob.snyder@fr.ibm.com - * - * (C) Copyright 2007-2013 - * Stefan Roese, DENX Software Engineering, sr@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* define DEBUG for debugging output (obviously ;-)) */ -#if 0 -#define DEBUG -#endif - -#include <common.h> -#include <asm/processor.h> -#include <asm/mmu.h> -#include <asm/io.h> -#include <asm/cache.h> -#include <asm/ppc440.h> -#include <watchdog.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* - * This DDR2 setup code can dynamically setup the TLB entries for the DDR2 memory - * region. Right now the cache should still be disabled in U-Boot because of the - * EMAC driver, that need it's buffer descriptor to be located in non cached - * memory. - * - * If at some time this restriction doesn't apply anymore, just define - * CONFIG_4xx_DCACHE in the board config file and this code should setup - * everything correctly. - */ -#ifdef CONFIG_4xx_DCACHE -#define MY_TLB_WORD2_I_ENABLE 0 /* enable caching on SDRAM */ -#else -#define MY_TLB_WORD2_I_ENABLE TLB_WORD2_I_ENABLE /* disable caching on SDRAM */ -#endif - -/*-----------------------------------------------------------------------------+ - * Prototypes - *-----------------------------------------------------------------------------*/ -extern int denali_wait_for_dlllock(void); -extern void denali_core_search_data_eye(void); -extern void dcbz_area(u32 start_address, u32 num_bytes); - -static u32 is_ecc_enabled(void) -{ - u32 val; - - mfsdram(DDR0_22, val); - val &= DDR0_22_CTRL_RAW_MASK; - if (val) - return 1; - else - return 0; -} - -void board_add_ram_info(int use_default) -{ - PPC4xx_SYS_INFO board_cfg; - u32 val; - - if (is_ecc_enabled()) - puts(" (ECC"); - else - puts(" (ECC not"); - - get_sys_info(&board_cfg); - printf(" enabled, %ld MHz", (board_cfg.freqPLB * 2) / 1000000); - - mfsdram(DDR0_03, val); - val = DDR0_03_CASLAT_DECODE(val); - printf(", CL%d)", val); -} - -#ifdef CONFIG_DDR_ECC -static void wait_ddr_idle(void) -{ - /* - * Controller idle status cannot be determined for Denali - * DDR2 code. Just return here. - */ -} - -static void program_ecc(u32 start_address, - u32 num_bytes, - u32 tlb_word2_i_value) -{ - u32 val; - u32 current_addr = start_address; - u32 size; - int bytes_remaining; - - sync(); - wait_ddr_idle(); - - /* - * Because of 440EPx errata CHIP 11, we don't touch the last 256 - * bytes of SDRAM. - */ - bytes_remaining = num_bytes - CONFIG_SYS_MEM_TOP_HIDE; - - /* - * We have to write the ECC bytes by zeroing and flushing in smaller - * steps, since the whole 256MByte takes too long for the external - * watchdog. - */ - while (bytes_remaining > 0) { - size = min((64 << 20), bytes_remaining); - - /* Write zero's to SDRAM */ - dcbz_area(current_addr, size); - - /* Write modified dcache lines back to memory */ - clean_dcache_range(current_addr, current_addr + size); - - current_addr += 64 << 20; - bytes_remaining -= 64 << 20; - WATCHDOG_RESET(); - } - - sync(); - wait_ddr_idle(); - - /* Clear error status */ - mfsdram(DDR0_00, val); - mtsdram(DDR0_00, val | DDR0_00_INT_ACK_ALL); - - /* Set 'int_mask' parameter to functionnal value */ - mfsdram(DDR0_01, val); - mtsdram(DDR0_01, ((val &~ DDR0_01_INT_MASK_MASK) | DDR0_01_INT_MASK_ALL_OFF)); - - sync(); - wait_ddr_idle(); -} -#endif - -/************************************************************************* - * - * dram_init -- 440EPx's DDR controller is a DENALI Core - * - ************************************************************************/ -int dram_init(void) -{ - /* CL=4 */ - mtsdram(DDR0_02, 0x00000000); - - mtsdram(DDR0_00, 0x0000190A); - mtsdram(DDR0_01, 0x01000000); - mtsdram(DDR0_03, 0x02040803); /* A suitable burst length was taken. CAS is right for our board */ - - mtsdram(DDR0_04, 0x0B030300); - mtsdram(DDR0_05, 0x02020308); - mtsdram(DDR0_06, 0x0003C812); - mtsdram(DDR0_07, 0x00090100); - mtsdram(DDR0_08, 0x03c80001); - mtsdram(DDR0_09, 0x00011D5F); - mtsdram(DDR0_10, 0x00000100); - mtsdram(DDR0_11, 0x000CC800); - mtsdram(DDR0_12, 0x00000003); - mtsdram(DDR0_14, 0x00000000); - mtsdram(DDR0_17, 0x1e000000); - mtsdram(DDR0_18, 0x1e1e1e1e); - mtsdram(DDR0_19, 0x1e1e1e1e); - mtsdram(DDR0_20, 0x0B0B0B0B); - mtsdram(DDR0_21, 0x0B0B0B0B); -#ifdef CONFIG_DDR_ECC - mtsdram(DDR0_22, 0x00267F0B | DDR0_22_CTRL_RAW_ECC_ENABLE); /* enable ECC */ -#else - mtsdram(DDR0_22, 0x00267F0B); -#endif - - mtsdram(DDR0_23, 0x01000000); - mtsdram(DDR0_24, 0x01010001); - - mtsdram(DDR0_26, 0x2D93028A); - mtsdram(DDR0_27, 0x0784682B); - - mtsdram(DDR0_28, 0x00000080); - mtsdram(DDR0_31, 0x00000000); - mtsdram(DDR0_42, 0x01000008); - - mtsdram(DDR0_43, 0x050A0200); - mtsdram(DDR0_44, 0x00000005); - mtsdram(DDR0_02, 0x00000001); /* Activate the denali core */ - - denali_wait_for_dlllock(); - -#if defined(CONFIG_DDR_DATA_EYE) - /* -----------------------------------------------------------+ - * Perform data eye search if requested. - * ----------------------------------------------------------*/ - program_tlb(0, CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MBYTES_SDRAM << 20, - TLB_WORD2_I_ENABLE); - denali_core_search_data_eye(); - remove_tlb(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MBYTES_SDRAM << 20); -#endif - - /* - * Program tlb entries for this size (dynamic) - */ - program_tlb(0, CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MBYTES_SDRAM << 20, - MY_TLB_WORD2_I_ENABLE); - -#if defined(CONFIG_DDR_ECC) -#if defined(CONFIG_4xx_DCACHE) - /* - * If ECC is enabled, initialize the parity bits. - */ - program_ecc(0, CONFIG_SYS_MBYTES_SDRAM << 20, 0); -#else /* CONFIG_4xx_DCACHE */ - /* - * Setup 2nd TLB with same physical address but different virtual address - * with cache enabled. This is done for fast ECC generation. - */ - program_tlb(0, CONFIG_SYS_DDR_CACHED_ADDR, CONFIG_SYS_MBYTES_SDRAM << 20, 0); - - /* - * If ECC is enabled, initialize the parity bits. - */ - program_ecc(CONFIG_SYS_DDR_CACHED_ADDR, CONFIG_SYS_MBYTES_SDRAM << 20, 0); - - /* - * Now after initialization (auto-calibration and ECC generation) - * remove the TLB entries with caches enabled and program again with - * desired cache functionality - */ - remove_tlb(CONFIG_SYS_DDR_CACHED_ADDR, CONFIG_SYS_MBYTES_SDRAM << 20); -#endif /* CONFIG_4xx_DCACHE */ -#endif /* CONFIG_DDR_ECC */ - - /* - * Clear possible errors resulting from data-eye-search. - * If not done, then we could get an interrupt later on when - * exceptions are enabled. - */ - set_mcsr(get_mcsr()); - - gd->ram_size = CONFIG_SYS_MBYTES_SDRAM << 20; - - return 0; -} |