--- /dev/null
+/*
+ * (C) Copyright 2003-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
+ *
+ * (C) Copyright 2004-2006
+ * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <mpc5xxx.h>
+#include <pci.h>
+#include <asm/processor.h>
+#include <libfdt.h>
+#include <netdev.h>
+
+#ifdef CONFIG_VIDEO_SM501
+#include <sm501.h>
+#endif
+
+#if defined(CONFIG_MPC5200_DDR)
+#include "mt46v16m16-75.h"
+#else
+#include "mt48lc16m16a2-75.h"
+#endif
+
+#ifdef CONFIG_OF_LIBFDT
+#include <fdt_support.h>
+#endif /* CONFIG_OF_LIBFDT */
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_PS2MULT
+void ps2mult_early_init(void);
+#endif
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) && \
+ defined(CONFIG_VIDEO)
+/*
+ * EDID block has been generated using Phoenix EDID Designer 1.3.
+ * This tool creates a text file containing:
+ *
+ * EDID BYTES:
+ *
+ * 0x 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
+ * ------------------------------------------------
+ * 00 | 00 FF FF FF FF FF FF 00 04 21 00 00 00 00 00 00
+ * 10 | 01 00 01 03 00 00 00 00 00 00 00 00 00 00 00 00
+ * 20 | 00 00 00 21 00 00 01 01 01 01 01 01 01 01 01 01
+ * 30 | 01 01 01 01 01 01 64 00 00 00 00 00 00 00 00 00
+ * 40 | 00 00 00 00 00 00 00 00 00 00 00 10 00 00 00 00
+ * 50 | 00 00 00 00 00 00 00 00 00 00 00 00 00 10 00 00
+ * 60 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 10
+ * 70 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 17
+ *
+ * Then this data has been manually converted to the char
+ * array below.
+ */
+static unsigned char edid_buf[128] = {
+ 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
+ 0x04, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x01, 0x03, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x21, 0x00, 0x00, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x17,
+};
+#endif
+
+#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;
+ ulong dramsize2 = 0;
+ uint svr, pvr;
+
+#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 */
+ }
+
+ /* let SDRAM CS1 start right after CS0 */
+ *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001c; /* 512MB */
+
+ /* find RAM size using SDRAM CS1 only */
+ if (!dramsize)
+ sdram_start(0);
+ test2 = test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x20000000);
+ if (!dramsize) {
+ sdram_start(1);
+ test2 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x20000000);
+ }
+ if (test1 > test2) {
+ sdram_start(0);
+ dramsize2 = test1;
+ } else {
+ dramsize2 = test2;
+ }
+
+ /* memory smaller than 1MB is impossible */
+ if (dramsize2 < (1 << 20)) {
+ dramsize2 = 0;
+ }
+
+ /* set SDRAM CS1 size according to the amount of RAM found */
+ if (dramsize2 > 0) {
+ *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize
+ | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1);
+ } else {
+ *(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 */
+
+ /*
+ * 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)) {
+
+ *(vu_long *)MPC5XXX_SDRAM_SDELAY = 0x04;
+ __asm__ volatile ("sync");
+ }
+
+#if defined(CONFIG_TQM5200_B)
+ return dramsize + dramsize2;
+#else
+ return dramsize;
+#endif /* CONFIG_TQM5200_B */
+}
+
+int checkboard (void)
+{
+#if defined(CONFIG_AEVFIFO)
+ puts ("Board: AEVFIFO\n");
+ return 0;
+#endif
+
+#if defined(CONFIG_TQM5200S)
+# define MODULE_NAME "TQM5200S"
+#else
+# define MODULE_NAME "TQM5200"
+#endif
+
+#if defined(CONFIG_STK52XX)
+# define CARRIER_NAME "STK52xx"
+#elif defined(CONFIG_TB5200)
+# define CARRIER_NAME "TB5200"
+#elif defined(CONFIG_CAM5200)
+# define CARRIER_NAME "CAM5200"
+#elif defined(CONFIG_FO300)
+# define CARRIER_NAME "FO300"
+#elif defined(CONFIG_CHARON)
+# define CARRIER_NAME "CHARON"
+#else
+# error "UNKNOWN"
+#endif
+
+ puts ( "Board: " MODULE_NAME " (TQ-Components GmbH)\n"
+ " on a " CARRIER_NAME " carrier board\n");
+
+ return 0;
+}
+
+#undef MODULE_NAME
+#undef CARRIER_NAME
+
+void flash_preinit(void)
+{
+ /*
+ * Now, when we are in RAM, enable flash write
+ * access for detection process.
+ * Note that CS_BOOT cannot be cleared when
+ * executing in flash.
+ */
+ *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
+}
+
+
+#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_CMD_IDE) && defined(CONFIG_IDE_RESET)
+
+#if defined (CONFIG_MINIFAP)
+#define SM501_POWER_MODE0_GATE 0x00000040UL
+#define SM501_POWER_MODE1_GATE 0x00000048UL
+#define POWER_MODE_GATE_GPIO_PWM_I2C 0x00000040UL
+#define SM501_GPIO_DATA_DIR_HIGH 0x0001000CUL
+#define SM501_GPIO_DATA_HIGH 0x00010004UL
+#define SM501_GPIO_51 0x00080000UL
+#endif /* CONFIG MINIFAP */
+
+void init_ide_reset (void)
+{
+ debug ("init_ide_reset\n");
+
+#if defined (CONFIG_MINIFAP)
+ /* Configure GPIO_51 of the SM501 grafic controller as ATA reset */
+
+ /* enable GPIO control (in both power modes) */
+ *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE0_GATE) |=
+ POWER_MODE_GATE_GPIO_PWM_I2C;
+ *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE1_GATE) |=
+ POWER_MODE_GATE_GPIO_PWM_I2C;
+ /* configure GPIO51 as output */
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_HIGH) |=
+ SM501_GPIO_51;
+#else
+ /* Configure PSC1_4 as GPIO output for ATA reset */
+ *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
+ *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
+
+ /* by default the ATA reset is de-asserted */
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
+#endif
+}
+
+void ide_set_reset (int idereset)
+{
+ debug ("ide_reset(%d)\n", idereset);
+
+#if defined (CONFIG_MINIFAP)
+ if (idereset) {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
+ ~SM501_GPIO_51;
+ } else {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
+ SM501_GPIO_51;
+ }
+#else
+ if (idereset) {
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4;
+ } else {
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
+ }
+#endif
+}
+#endif
+
+#ifdef CONFIG_POST
+/*
+ * Reads GPIO pin PSC6_3. A keypress is reported, if PSC6_3 is low. If PSC6_3
+ * is left open, no keypress is detected.
+ */
+int post_hotkeys_pressed(void)
+{
+#ifdef CONFIG_STK52XX
+ struct mpc5xxx_gpio *gpio;
+
+ gpio = (struct mpc5xxx_gpio*) MPC5XXX_GPIO;
+
+ /*
+ * Configure PSC6_0 through PSC6_3 as GPIO.
+ */
+ gpio->port_config &= ~(0x00700000);
+
+ /* Enable GPIO for GPIO_IRDA_1 (IR_USB_CLK pin) = PSC6_3 */
+ gpio->simple_gpioe |= 0x20000000;
+
+ /* Configure GPIO_IRDA_1 as input */
+ gpio->simple_ddr &= ~(0x20000000);
+
+ return ((gpio->simple_ival & 0x20000000) ? 0 : 1);
+#else
+ return 0;
+#endif
+}
+#endif
+
+#ifdef CONFIG_BOARD_EARLY_INIT_R
+int board_early_init_r (void)
+{
+
+ extern int usb_cpu_init(void);
+
+#ifdef CONFIG_PS2MULT
+ ps2mult_early_init();
+#endif /* CONFIG_PS2MULT */
+
+#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
+ /* Low level USB init, required for proper kernel operation */
+ usb_cpu_init();
+#endif
+
+ return (0);
+}
+#endif
+
+#ifdef CONFIG_FO300
+int silent_boot (void)
+{
+ vu_long timer3_status;
+
+ /* Configure GPT3 as GPIO input */
+ *(vu_long *)MPC5XXX_GPT3_ENABLE = 0x00000004;
+
+ /* Read in TIMER_3 pin status */
+ timer3_status = *(vu_long *)MPC5XXX_GPT3_STATUS;
+
+#ifdef FO300_SILENT_CONSOLE_WHEN_S1_CLOSED
+ /* Force silent console mode if S1 switch
+ * is in closed position (TIMER_3 pin status is LOW). */
+ if (MPC5XXX_GPT_GPIO_PIN(timer3_status) == 0)
+ return 1;
+#else
+ /* Force silent console mode if S1 switch
+ * is in open position (TIMER_3 pin status is HIGH). */
+ if (MPC5XXX_GPT_GPIO_PIN(timer3_status) == 1)
+ return 1;
+#endif
+
+ return 0;
+}
+
+int board_early_init_f (void)
+{
+ if (silent_boot())
+ gd->flags |= GD_FLG_SILENT;
+
+ return 0;
+}
+#endif /* CONFIG_FO300 */
+
+#if defined(CONFIG_CHARON)
+#include <i2c.h>
+#include <asm/io.h>
+
+/* The TFP410 registers */
+#define TFP410_REG_VEN_ID_L 0x00
+#define TFP410_REG_VEN_ID_H 0x01
+#define TFP410_REG_DEV_ID_L 0x02
+#define TFP410_REG_DEV_ID_H 0x03
+#define TFP410_REG_REV_ID 0x04
+
+#define TFP410_REG_CTL_1_MODE 0x08
+#define TFP410_REG_CTL_2_MODE 0x09
+#define TFP410_REG_CTL_3_MODE 0x0A
+
+#define TFP410_REG_CFG 0x0B
+
+#define TFP410_REG_DE_DLY 0x32
+#define TFP410_REG_DE_CTL 0x33
+#define TFP410_REG_DE_TOP 0x34
+#define TFP410_REG_DE_CNT_L 0x36
+#define TFP410_REG_DE_CNT_H 0x37
+#define TFP410_REG_DE_LIN_L 0x38
+#define TFP410_REG_DE_LIN_H 0x39
+
+#define TFP410_REG_H_RES_L 0x3A
+#define TFP410_REG_H_RES_H 0x3B
+#define TFP410_REG_V_RES_L 0x3C
+#define TFP410_REG_V_RES_H 0x3D
+
+static int tfp410_read_reg(int reg, uchar *buf)
+{
+ if (i2c_read(CONFIG_SYS_TFP410_ADDR, reg, 1, buf, 1) != 0) {
+ puts ("Error reading the chip.\n");
+ return 1;
+ }
+ return 0;
+}
+
+static int tfp410_write_reg(int reg, uchar buf)
+{
+ if (i2c_write(CONFIG_SYS_TFP410_ADDR, reg, 1, &buf, 1) != 0) {
+ puts ("Error writing the chip.\n");
+ return 1;
+ }
+ return 0;
+}
+
+typedef struct _tfp410_config {
+ int reg;
+ uchar val;
+}TFP410_CONFIG;
+
+static TFP410_CONFIG tfp410_configtbl[] = {
+ {TFP410_REG_CTL_1_MODE, 0x37},
+ {TFP410_REG_CTL_2_MODE, 0x20},
+ {TFP410_REG_CTL_3_MODE, 0x80},
+ {TFP410_REG_DE_DLY, 0x90},
+ {TFP410_REG_DE_CTL, 0x00},
+ {TFP410_REG_DE_TOP, 0x23},
+ {TFP410_REG_DE_CNT_H, 0x02},
+ {TFP410_REG_DE_CNT_L, 0x80},
+ {TFP410_REG_DE_LIN_H, 0x01},
+ {TFP410_REG_DE_LIN_L, 0xe0},
+ {-1, 0},
+};
+
+static int charon_last_stage_init(void)
+{
+ volatile struct mpc5xxx_lpb *lpb =
+ (struct mpc5xxx_lpb *) MPC5XXX_LPB;
+ int oldbus = i2c_get_bus_num();
+ uchar buf;
+ int i = 0;
+
+ i2c_set_bus_num(CONFIG_SYS_TFP410_BUS);
+
+ /* check version */
+ if (tfp410_read_reg(TFP410_REG_DEV_ID_H, &buf) != 0)
+ return -1;
+ if (!(buf & 0x04))
+ return -1;
+ if (tfp410_read_reg(TFP410_REG_DEV_ID_L, &buf) != 0)
+ return -1;
+ if (!(buf & 0x10))
+ return -1;
+ /* OK, now init the chip */
+ while (tfp410_configtbl[i].reg != -1) {
+ int ret;
+
+ ret = tfp410_write_reg(tfp410_configtbl[i].reg,
+ tfp410_configtbl[i].val);
+ if (ret != 0)
+ return -1;
+ i++;
+ }
+ printf("TFP410 initialized.\n");
+ i2c_set_bus_num(oldbus);
+
+ /* set deadcycle for cs3 to 0 */
+ setbits_be32(&lpb->cs_deadcycle, 0xffffcfff);
+ return 0;
+}
+#endif
+
+int last_stage_init (void)
+{
+ /*
+ * auto scan for really existing devices and re-set chip select
+ * configuration.
+ */
+ u16 save, tmp;
+ int restore;
+
+ /*
+ * Check for SRAM and SRAM size
+ */
+
+ /* save original SRAM content */
+ save = *(volatile u16 *)CONFIG_SYS_CS2_START;
+ restore = 1;
+
+ /* write test pattern to SRAM */
+ *(volatile u16 *)CONFIG_SYS_CS2_START = 0xA5A5;
+ __asm__ volatile ("sync");
+ /*
+ * Put a different pattern on the data lines: otherwise they may float
+ * long enough to read back what we wrote.
+ */
+ tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
+ if (tmp == 0xA5A5)
+ puts ("!! possible error in SRAM detection\n");
+
+ if (*(volatile u16 *)CONFIG_SYS_CS2_START != 0xA5A5) {
+ /* no SRAM at all, disable cs */
+ *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 18);
+ *(vu_long *)MPC5XXX_CS2_START = 0x0000FFFF;
+ *(vu_long *)MPC5XXX_CS2_STOP = 0x0000FFFF;
+ restore = 0;
+ __asm__ volatile ("sync");
+ } else if (*(volatile u16 *)(CONFIG_SYS_CS2_START + (1<<19)) == 0xA5A5) {
+ /* make sure that we access a mirrored address */
+ *(volatile u16 *)CONFIG_SYS_CS2_START = 0x1111;
+ __asm__ volatile ("sync");
+ if (*(volatile u16 *)(CONFIG_SYS_CS2_START + (1<<19)) == 0x1111) {
+ /* SRAM size = 512 kByte */
+ *(vu_long *)MPC5XXX_CS2_STOP = STOP_REG(CONFIG_SYS_CS2_START,
+ 0x80000);
+ __asm__ volatile ("sync");
+ puts ("SRAM: 512 kB\n");
+ }
+ else
+ puts ("!! possible error in SRAM detection\n");
+ } else {
+ puts ("SRAM: 1 MB\n");
+ }
+ /* restore origianl SRAM content */
+ if (restore) {
+ *(volatile u16 *)CONFIG_SYS_CS2_START = save;
+ __asm__ volatile ("sync");
+ }
+
+#ifndef CONFIG_TQM5200S /* The TQM5200S has no SM501 grafic controller */
+ /*
+ * Check for Grafic Controller
+ */
+
+ /* save origianl FB content */
+ save = *(volatile u16 *)CONFIG_SYS_CS1_START;
+ restore = 1;
+
+ /* write test pattern to FB memory */
+ *(volatile u16 *)CONFIG_SYS_CS1_START = 0xA5A5;
+ __asm__ volatile ("sync");
+ /*
+ * Put a different pattern on the data lines: otherwise they may float
+ * long enough to read back what we wrote.
+ */
+ tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
+ if (tmp == 0xA5A5)
+ puts ("!! possible error in grafic controller detection\n");
+
+ if (*(volatile u16 *)CONFIG_SYS_CS1_START != 0xA5A5) {
+ /* no grafic controller at all, disable cs */
+ *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 17);
+ *(vu_long *)MPC5XXX_CS1_START = 0x0000FFFF;
+ *(vu_long *)MPC5XXX_CS1_STOP = 0x0000FFFF;
+ restore = 0;
+ __asm__ volatile ("sync");
+ } else {
+ puts ("VGA: SMI501 (Voyager) with 8 MB\n");
+ }
+ /* restore origianl FB content */
+ if (restore) {
+ *(volatile u16 *)CONFIG_SYS_CS1_START = save;
+ __asm__ volatile ("sync");
+ }
+
+#ifdef CONFIG_FO300
+ if (silent_boot()) {
+ setenv("bootdelay", "0");
+ disable_ctrlc(1);
+ }
+#endif
+#endif /* !CONFIG_TQM5200S */
+
+#if defined(CONFIG_CHARON)
+ charon_last_stage_init();
+#endif
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_SM501
+
+#ifdef CONFIG_FO300
+#define DISPLAY_WIDTH 800
+#else
+#define DISPLAY_WIDTH 640
+#endif
+#define DISPLAY_HEIGHT 480
+
+#ifdef CONFIG_VIDEO_SM501_8BPP
+#error CONFIG_VIDEO_SM501_8BPP not supported.
+#endif /* CONFIG_VIDEO_SM501_8BPP */
+
+#ifdef CONFIG_VIDEO_SM501_16BPP
+#error CONFIG_VIDEO_SM501_16BPP not supported.
+#endif /* CONFIG_VIDEO_SM501_16BPP */
+#ifdef CONFIG_VIDEO_SM501_32BPP
+static const SMI_REGS init_regs [] =
+{
+#if 0 /* CRT only */
+ {0x00004, 0x0},
+ {0x00048, 0x00021807},
+ {0x0004C, 0x10090a01},
+ {0x00054, 0x1},
+ {0x00040, 0x00021807},
+ {0x00044, 0x10090a01},
+ {0x00054, 0x0},
+ {0x80200, 0x00010000},
+ {0x80204, 0x0},
+ {0x80208, 0x0A000A00},
+ {0x8020C, 0x02fa027f},
+ {0x80210, 0x004a028b},
+ {0x80214, 0x020c01df},
+ {0x80218, 0x000201e9},
+ {0x80200, 0x00013306},
+#else /* panel + CRT */
+#ifdef CONFIG_FO300
+ {0x00004, 0x0},
+ {0x00048, 0x00021807},
+ {0x0004C, 0x301a0a01},
+ {0x00054, 0x1},
+ {0x00040, 0x00021807},
+ {0x00044, 0x091a0a01},
+ {0x00054, 0x0},
+ {0x80000, 0x0f013106},
+ {0x80004, 0xc428bb17},
+ {0x8000C, 0x00000000},
+ {0x80010, 0x0C800C80},
+ {0x80014, 0x03200000},
+ {0x80018, 0x01e00000},
+ {0x8001C, 0x00000000},
+ {0x80020, 0x01e00320},
+ {0x80024, 0x042a031f},
+ {0x80028, 0x0086034a},
+ {0x8002C, 0x020c01df},
+ {0x80030, 0x000201ea},
+ {0x80200, 0x00010000},
+#else
+ {0x00004, 0x0},
+ {0x00048, 0x00021807},
+ {0x0004C, 0x091a0a01},
+ {0x00054, 0x1},
+ {0x00040, 0x00021807},
+ {0x00044, 0x091a0a01},
+ {0x00054, 0x0},
+ {0x80000, 0x0f013106},
+ {0x80004, 0xc428bb17},
+ {0x8000C, 0x00000000},
+ {0x80010, 0x0a000a00},
+ {0x80014, 0x02800000},
+ {0x80018, 0x01e00000},
+ {0x8001C, 0x00000000},
+ {0x80020, 0x01e00280},
+ {0x80024, 0x02fa027f},
+ {0x80028, 0x004a028b},
+ {0x8002C, 0x020c01df},
+ {0x80030, 0x000201e9},
+ {0x80200, 0x00010000},
+#endif /* #ifdef CONFIG_FO300 */
+#endif
+ {0, 0}
+};
+#endif /* CONFIG_VIDEO_SM501_32BPP */
+
+#ifdef 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: TQM5200 (TQ-Components GmbH)");
+#if defined (CONFIG_CHARON) || defined (CONFIG_FO300) || \
+ defined(CONFIG_STK52XX) || defined(CONFIG_TB5200)
+ } else if (line_number == 2) {
+#if defined (CONFIG_CHARON)
+ strcpy (info, " on a CHARON carrier board");
+#endif
+#if defined (CONFIG_STK52XX)
+ strcpy (info, " on a STK52xx carrier board");
+#endif
+#if defined (CONFIG_TB5200)
+ strcpy (info, " on a TB5200 carrier board");
+#endif
+#if defined (CONFIG_FO300)
+ strcpy (info, " on a FO300 carrier board");
+#endif
+#endif
+ }
+ else {
+ info [0] = '\0';
+ }
+}
+#endif
+
+/*
+ * Returns SM501 register base address. First thing called in the
+ * driver. Checks if SM501 is physically present.
+ */
+unsigned int board_video_init (void)
+{
+ u16 save, tmp;
+ int restore, ret;
+
+ /*
+ * Check for Grafic Controller
+ */
+
+ /* save origianl FB content */
+ save = *(volatile u16 *)CONFIG_SYS_CS1_START;
+ restore = 1;
+
+ /* write test pattern to FB memory */
+ *(volatile u16 *)CONFIG_SYS_CS1_START = 0xA5A5;
+ __asm__ volatile ("sync");
+ /*
+ * Put a different pattern on the data lines: otherwise they may float
+ * long enough to read back what we wrote.
+ */
+ tmp = *(volatile u16 *)CONFIG_SYS_FLASH_BASE;
+ if (tmp == 0xA5A5)
+ puts ("!! possible error in grafic controller detection\n");
+
+ if (*(volatile u16 *)CONFIG_SYS_CS1_START != 0xA5A5) {
+ /* no grafic controller found */
+ restore = 0;
+ ret = 0;
+ } else {
+ ret = SM501_MMIO_BASE;
+ }
+
+ if (restore) {
+ *(volatile u16 *)CONFIG_SYS_CS1_START = save;
+ __asm__ volatile ("sync");
+ }
+ return ret;
+}
+
+/*
+ * Returns SM501 framebuffer address
+ */
+unsigned int board_video_get_fb (void)
+{
+ return SM501_FB_BASE;
+}
+
+/*
+ * Called after initializing the SM501 and before clearing the screen.
+ */
+void board_validate_screen (unsigned int base)
+{
+}
+
+/*
+ * Return a pointer to the initialization sequence.
+ */
+const SMI_REGS *board_get_regs (void)
+{
+ return init_regs;
+}
+
+int board_get_width (void)
+{
+ return DISPLAY_WIDTH;
+}
+
+int board_get_height (void)
+{
+ return DISPLAY_HEIGHT;
+}
+
+#endif /* CONFIG_VIDEO_SM501 */
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ ft_cpu_setup(blob, bd);
+#if defined(CONFIG_VIDEO)
+ fdt_add_edid(blob, "smi,sm501", edid_buf);
+#endif
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
+
+#if defined(CONFIG_RESET_PHY_R)
+#include <miiphy.h>
+
+void reset_phy(void)
+{
+ /* init Micrel KSZ8993 PHY */
+ miiphy_write("FEC", CONFIG_PHY_ADDR, 0x01, 0x09);
+}
+#endif
+
+int board_eth_init(bd_t *bis)
+{
+ cpu_eth_init(bis); /* Built in FEC comes first */
+ return pci_eth_init(bis);
+}
Code Review / kvmfornfv.git / blobdiff