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-rw-r--r--board/a4m072/a4m072.c479
1 files changed, 0 insertions, 479 deletions
diff --git a/board/a4m072/a4m072.c b/board/a4m072/a4m072.c
deleted file mode 100644
index 6f0d4489a2..0000000000
--- a/board/a4m072/a4m072.c
+++ /dev/null
@@ -1,479 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2004
- * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
- *
- * (C) Copyright 2010
- * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <mpc5xxx.h>
-#include <pci.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <libfdt.h>
-#include <netdev.h>
-#include <led-display.h>
-#include <linux/err.h>
-
-#include "mt46v32m16.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifndef CONFIG_SYS_RAMBOOT
-static void sdram_start (int hi_addr)
-{
- long hi_addr_bit = hi_addr ? 0x01000000 : 0;
- long control = SDRAM_CONTROL | hi_addr_bit;
-
- /* unlock mode register */
- out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000000);
- __asm__ volatile ("sync");
-
- /* precharge all banks */
- out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000002);
- __asm__ volatile ("sync");
-
-#if SDRAM_DDR
- /* set mode register: extended mode */
- out_be32((void *)MPC5XXX_SDRAM_MODE, SDRAM_EMODE);
- __asm__ volatile ("sync");
-
- /* set mode register: reset DLL */
- out_be32((void *)MPC5XXX_SDRAM_MODE, SDRAM_MODE | 0x04000000);
- __asm__ volatile ("sync");
-#endif
-
- /* precharge all banks */
- out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000002);
- __asm__ volatile ("sync");
-
- /* auto refresh */
- out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000004);
- __asm__ volatile ("sync");
-
- /* set mode register */
- out_be32((void *)MPC5XXX_SDRAM_MODE, SDRAM_MODE);
- __asm__ volatile ("sync");
-
- /* normal operation */
- out_be32((void *)MPC5XXX_SDRAM_CTRL, control);
- __asm__ volatile ("sync");
-}
-#endif
-
-/*
- * ATTENTION: Although partially referenced dram_init 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.
- */
-
-int dram_init(void)
-{
- ulong dramsize = 0;
- uint svr, pvr;
-
-#ifndef CONFIG_SYS_RAMBOOT
- ulong test1, test2;
-
- /* setup SDRAM chip selects */
- out_be32((void *)MPC5XXX_SDRAM_CS0CFG, 0x0000001e); /* 2GB at 0x0 */
- out_be32((void *)MPC5XXX_SDRAM_CS1CFG, 0x80000000); /* disabled */
- __asm__ volatile ("sync");
-
- /* setup config registers */
- out_be32((void *)MPC5XXX_SDRAM_CONFIG1, SDRAM_CONFIG1);
- out_be32((void *)MPC5XXX_SDRAM_CONFIG2, SDRAM_CONFIG2);
- __asm__ volatile ("sync");
-
-#if SDRAM_DDR
- /* set tap delay */
- out_be32((void *)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, 0x80000000);
- sdram_start(1);
- test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
- 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) {
- out_be32((void *)MPC5XXX_SDRAM_CS0CFG,
- 0x13 + __builtin_ffs(dramsize >> 20) - 1);
- } else {
- out_be32((void *)MPC5XXX_SDRAM_CS0CFG, 0); /* disabled */
- }
-
-#else /* CONFIG_SYS_RAMBOOT */
-
- /* retrieve size of memory connected to SDRAM CS0 */
- dramsize = in_be32((void *)MPC5XXX_SDRAM_CS0CFG) & 0xFF;
- if (dramsize >= 0x13) {
- dramsize = (1 << (dramsize - 0x13)) << 20;
- } else {
- dramsize = 0;
- }
-
-#endif /* CONFIG_SYS_RAMBOOT */
-
- /*
- * On MPC5200B we need to set the special configuration delay in the
- * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
- * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
- *
- * "The SDelay should be written to a value of 0x00000004. It is
- * required to account for changes caused by normal wafer processing
- * parameters."
- */
- svr = get_svr();
- pvr = get_pvr();
- if ((SVR_MJREV(svr) >= 2) &&
- (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4)) {
-
- out_be32((void *)MPC5XXX_SDRAM_SDELAY, 0x04);
- __asm__ volatile ("sync");
- }
-
- gd->ram_size = dramsize;
-
- return 0;
-}
-
-int checkboard (void)
-{
- puts ("Board: A4M072\n");
- 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
-
-#ifdef CONFIG_OF_BOARD_SETUP
-int ft_board_setup(void *blob, bd_t *bd)
-{
- ft_cpu_setup(blob, bd);
-
- return 0;
-}
-#endif /* CONFIG_OF_BOARD_SETUP */
-
-int board_eth_init(bd_t *bis)
-{
- int rv, num_if = 0;
-
- /* Initialize TSECs first */
- if ((rv = cpu_eth_init(bis)) >= 0)
- num_if += rv;
- else
- printf("ERROR: failed to initialize FEC.\n");
-
- if ((rv = pci_eth_init(bis)) >= 0)
- num_if += rv;
- else
- printf("ERROR: failed to initialize PCI Ethernet.\n");
-
- return num_if;
-}
-/*
- * Miscellaneous late-boot configurations
- *
- * Initialize EEPROM write-protect GPIO pin.
- */
-int misc_init_r(void)
-{
-#if defined(CONFIG_SYS_EEPROM_WREN)
- /* Enable GPIO pin */
- setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, CONFIG_SYS_EEPROM_WP);
- /* Set direction, output */
- setbits_be32((void *)MPC5XXX_WU_GPIO_DIR, CONFIG_SYS_EEPROM_WP);
- /* De-assert write enable */
- setbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, CONFIG_SYS_EEPROM_WP);
-#endif
- return 0;
-}
-#if defined(CONFIG_SYS_EEPROM_WREN)
-/* Input: <dev_addr> I2C address of EEPROM device to enable.
- * <state> -1: deliver current state
- * 0: disable write
- * 1: enable write
- * Returns: -1: wrong device address
- * 0: dis-/en- able done
- * 0/1: current state if <state> was -1.
- */
-int eeprom_write_enable (unsigned dev_addr, int state)
-{
- if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) {
- return -1;
- } else {
- switch (state) {
- case 1:
- /* Enable write access */
- clrbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, CONFIG_SYS_EEPROM_WP);
- state = 0;
- break;
- case 0:
- /* Disable write access */
- setbits_be32((void *)MPC5XXX_WU_GPIO_DATA_O, CONFIG_SYS_EEPROM_WP);
- state = 0;
- break;
- default:
- /* Read current status back. */
- state = (0 == (in_be32((void *)MPC5XXX_WU_GPIO_DATA_O) &
- CONFIG_SYS_EEPROM_WP));
- break;
- }
- }
- return state;
-}
-#endif
-
-#ifdef CONFIG_CMD_DISPLAY
-#define DISPLAY_BUF_SIZE 2
-static u8 display_buf[DISPLAY_BUF_SIZE];
-static u8 display_putc_pos;
-static u8 display_out_pos;
-
-void display_set(int cmd) {
-
- if (cmd & DISPLAY_CLEAR) {
- display_buf[0] = display_buf[1] = 0;
- }
-
- if (cmd & DISPLAY_HOME) {
- display_putc_pos = 0;
- }
-}
-
-#define SEG_A (1<<0)
-#define SEG_B (1<<1)
-#define SEG_C (1<<2)
-#define SEG_D (1<<3)
-#define SEG_E (1<<4)
-#define SEG_F (1<<5)
-#define SEG_G (1<<6)
-#define SEG_P (1<<7)
-#define SEG__ 0
-
-/*
- * +- A -+
- * | |
- * F B
- * | |
- * +- G -+
- * | |
- * E C
- * | |
- * +- D -+ P
- *
- * 0..9 index 0..9
- * A..Z index 10..35
- * - index 36
- * _ index 37
- * . index 38
- */
-
-#define SYMBOL_DASH (36)
-#define SYMBOL_UNDERLINE (37)
-#define SYMBOL_DOT (38)
-
-static u8 display_char2seg7_tbl[]=
-{
- SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F, /* 0 */
- SEG_B | SEG_C, /* 1 */
- SEG_A | SEG_B | SEG_D | SEG_E | SEG_G, /* 2 */
- SEG_A | SEG_B | SEG_C | SEG_D | SEG_G, /* 3 */
- SEG_B | SEG_C | SEG_F | SEG_G, /* 4 */
- SEG_A | SEG_C | SEG_D | SEG_F | SEG_G, /* 5 */
- SEG_A | SEG_C | SEG_D | SEG_E | SEG_F | SEG_G, /* 6 */
- SEG_A | SEG_B | SEG_C, /* 7 */
- SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F | SEG_G, /* 8 */
- SEG_A | SEG_B | SEG_C | SEG_D | SEG_F | SEG_G, /* 9 */
- SEG_A | SEG_B | SEG_C | SEG_E | SEG_F | SEG_G, /* A */
- SEG_C | SEG_D | SEG_E | SEG_F | SEG_G, /* b */
- SEG_A | SEG_D | SEG_E | SEG_F, /* C */
- SEG_B | SEG_C | SEG_D | SEG_E | SEG_G, /* d */
- SEG_A | SEG_D | SEG_E | SEG_F | SEG_G, /* E */
- SEG_A | SEG_E | SEG_F | SEG_G, /* F */
- 0, /* g - not displayed */
- SEG_B | SEG_C | SEG_E | SEG_F | SEG_G, /* H */
- SEG_B | SEG_C, /* I */
- 0, /* J - not displayed */
- 0, /* K - not displayed */
- SEG_D | SEG_E | SEG_F, /* L */
- 0, /* m - not displayed */
- 0, /* n - not displayed */
- SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F, /* O */
- SEG_A | SEG_B | SEG_E | SEG_F | SEG_G, /* P */
- 0, /* q - not displayed */
- 0, /* r - not displayed */
- SEG_A | SEG_C | SEG_D | SEG_F | SEG_G, /* S */
- SEG_D | SEG_E | SEG_F | SEG_G, /* t */
- SEG_B | SEG_C | SEG_D | SEG_E | SEG_F, /* U */
- 0, /* V - not displayed */
- 0, /* w - not displayed */
- 0, /* X - not displayed */
- SEG_B | SEG_C | SEG_D | SEG_F | SEG_G, /* Y */
- 0, /* Z - not displayed */
- SEG_G, /* - */
- SEG_D, /* _ */
- SEG_P /* . */
-};
-
-/* Convert char to the LED segments representation */
-static u8 display_char2seg7(char c)
-{
- u8 val = 0;
-
- if (c >= '0' && c <= '9')
- c -= '0';
- else if (c >= 'a' && c <= 'z')
- c -= 'a' - 10;
- else if (c >= 'A' && c <= 'Z')
- c -= 'A' - 10;
- else if (c == '-')
- c = SYMBOL_DASH;
- else if (c == '_')
- c = SYMBOL_UNDERLINE;
- else if (c == '.')
- c = SYMBOL_DOT;
- else
- c = ' '; /* display unsupported symbols as space */
-
- if (c != ' ')
- val = display_char2seg7_tbl[(int)c];
-
- return val;
-}
-
-int display_putc(char c)
-{
- if (display_putc_pos >= DISPLAY_BUF_SIZE)
- return -1;
-
- display_buf[display_putc_pos++] = display_char2seg7(c);
- /* one-symbol message should be steady */
- if (display_putc_pos == 1)
- display_buf[display_putc_pos] = display_char2seg7(c);
-
- return c;
-}
-
-/*
- * Flush current symbol to the LED display hardware
- */
-static inline void display_flush(void)
-{
- u32 val = display_buf[display_out_pos];
-
- val |= (val << 8) | (val << 16) | (val << 24);
- out_be32((void *)CONFIG_SYS_DISP_CHR_RAM, val);
-}
-
-/*
- * Output contents of the software display buffer to the LED display every 0.5s
- */
-void board_show_activity(ulong timestamp)
-{
- static ulong last;
- static u8 once;
-
- if (!once || (timestamp - last >= (CONFIG_SYS_HZ / 2))) {
- display_flush();
- display_out_pos ^= 1;
- last = timestamp;
- once = 1;
- }
-}
-
-/*
- * Empty fake function
- */
-void show_activity(int arg)
-{
-}
-#endif
-#if defined (CONFIG_SHOW_BOOT_PROGRESS)
-static int a4m072_status2code(int status, char *buf)
-{
- char c = 0;
-
- if (((status > 0) && (status <= 8)) ||
- ((status >= 100) && (status <= 108)) ||
- ((status < 0) && (status >= -9)) ||
- (status == -100) || (status == -101) ||
- ((status <= -103) && (status >= -113))) {
- c = '5';
- } else if (((status >= 9) && (status <= 14)) ||
- ((status >= 120) && (status <= 123)) ||
- ((status >= 125) && (status <= 129)) ||
- ((status >= -13) && (status <= -10)) ||
- (status == -120) || (status == -122) ||
- ((status <= -124) && (status >= -127)) ||
- (status == -129)) {
- c = '8';
- } else if (status == 15) {
- c = '9';
- } else if ((status <= -30) && (status >= -32)) {
- c = 'A';
- } else if (((status <= -35) && (status >= -40)) ||
- ((status <= -42) && (status >= -51)) ||
- ((status <= -53) && (status >= -58)) ||
- (status == -64) ||
- ((status <= -80) && (status >= -83)) ||
- (status == -130) || (status == -140) ||
- (status == -150)) {
- c = 'B';
- }
-
- if (c == 0)
- return -EINVAL;
-
- buf[0] = (status < 0) ? '-' : c;
- buf[1] = c;
-
- return 0;
-}
-
-void show_boot_progress(int status)
-{
- char buf[2];
-
- if (a4m072_status2code(status, buf) < 0)
- return;
-
- display_putc(buf[0]);
- display_putc(buf[1]);
- display_set(DISPLAY_HOME);
- display_out_pos = 0; /* reset output position */
-
- /* we want to flush status 15 now */
- if (status == BOOTSTAGE_ID_RUN_OS)
- display_flush();
-}
-#endif
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