--- /dev/null
+/*
+ * (C) Copyright 2007-2009 DENX Software Engineering
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/bitops.h>
+#include <command.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <asm/mpc512x.h>
+#include <fdt_support.h>
+#ifdef CONFIG_MISC_INIT_R
+#include <i2c.h>
+#endif
+#include <net.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void __mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip);
+
+/* Active chip number set in board_nand_select_device() (mpc5121_nfc.c) */
+extern int mpc5121_nfc_chip;
+
+/* Control chips select signal on MPC5121ADS board */
+void mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip)
+{
+ unsigned char *csreg = (u8 *)CONFIG_SYS_CPLD_BASE + 0x09;
+ u8 v;
+
+ v = in_8(csreg);
+ v |= 0x0F;
+
+ if (chip >= 0) {
+ __mpc5121_nfc_select_chip(mtd, 0);
+ v &= ~(1 << mpc5121_nfc_chip);
+ } else {
+ __mpc5121_nfc_select_chip(mtd, -1);
+ }
+
+ out_8(csreg, v);
+}
+
+int board_early_init_f(void)
+{
+ /*
+ * Disable Boot NOR FLASH write protect - CPLD Reg 8 NOR FLASH Control
+ *
+ * Without this the flash identification routine fails, as it needs to issue
+ * write commands in order to establish the device ID.
+ */
+
+#ifdef CONFIG_MPC5121ADS_REV2
+ out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1);
+#else
+ if (in_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) {
+ out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1);
+ } else {
+ /* running from Backup flash */
+ out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0x32);
+ }
+#endif
+ return 0;
+}
+
+int is_micron(void){
+
+ ushort brd_rev = *(vu_short *)(CONFIG_SYS_CPLD_BASE + 0x00);
+ uchar macaddr[6];
+ u32 brddate, macchk, ismicron;
+
+ /*
+ * MAC address has serial number with date of manufacture
+ * Boards made before Nov-08 #1180 use Micron memory;
+ * 001e59 is the STx vendor #
+ * Default is Elpida since it works for both but is slightly slower
+ */
+ ismicron = 0;
+ if (brd_rev >= 0x0400 && eth_getenv_enetaddr("ethaddr", macaddr)) {
+ brddate = (macaddr[3] << 16) + (macaddr[4] << 8) + macaddr[5];
+ macchk = (macaddr[0] << 16) + (macaddr[1] << 8) + macaddr[2];
+ debug("brddate = %d\n\t", brddate);
+
+ if (macchk == 0x001e59 && brddate <= 8111180)
+ ismicron = 1;
+ } else if (brd_rev < 0x400) {
+ ismicron = 1;
+ }
+ debug("Using %s Memory settings\n\t",
+ ismicron ? "Micron" : "Elpida");
+ return(ismicron);
+}
+
+phys_size_t initdram(int board_type)
+{
+ u32 msize = 0;
+ /*
+ * Elpida MDDRC and initialization settings are an alternative
+ * to the Default Micron ones for all but the earliest Rev 4 boards
+ */
+ ddr512x_config_t elpida_mddrc_config = {
+ .ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_ELPIDA,
+ .ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0,
+ .ddr_time_config1 = CONFIG_SYS_MDDRC_TIME_CFG1_ELPIDA,
+ .ddr_time_config2 = CONFIG_SYS_MDDRC_TIME_CFG2_ELPIDA,
+ };
+
+ u32 elpida_init_sequence[] = {
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_PCHG_ALL,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_RFSH,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_RFSH,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_EM2,
+ CONFIG_SYS_DDRCMD_EM3,
+ CONFIG_SYS_DDRCMD_EN_DLL,
+ CONFIG_SYS_ELPIDA_RES_DLL,
+ CONFIG_SYS_DDRCMD_PCHG_ALL,
+ CONFIG_SYS_DDRCMD_RFSH,
+ CONFIG_SYS_DDRCMD_RFSH,
+ CONFIG_SYS_DDRCMD_RFSH,
+ CONFIG_SYS_ELPIDA_INIT_DEV_OP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_OCD_DEFAULT,
+ CONFIG_SYS_ELPIDA_OCD_EXIT,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP,
+ CONFIG_SYS_DDRCMD_NOP
+ };
+
+ if (is_micron()) {
+ msize = fixed_sdram(NULL, NULL, 0);
+ } else {
+ msize = fixed_sdram(&elpida_mddrc_config,
+ elpida_init_sequence,
+ sizeof(elpida_init_sequence)/sizeof(u32));
+ }
+
+ return msize;
+}
+
+int misc_init_r(void)
+{
+ u8 tmp_val;
+
+ /* Using this for DIU init before the driver in linux takes over
+ * Enable the TFP410 Encoder (I2C address 0x38)
+ */
+
+ i2c_set_bus_num(2);
+ tmp_val = 0xBF;
+ i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
+ /* Verify if enabled */
+ tmp_val = 0;
+ i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
+ debug("DVI Encoder Read: 0x%02x\n", tmp_val);
+
+ tmp_val = 0x10;
+ i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
+ /* Verify if enabled */
+ tmp_val = 0;
+ i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
+ debug("DVI Encoder Read: 0x%02x\n", tmp_val);
+
+ return 0;
+}
+
+static iopin_t ioregs_init[] = {
+ /* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */
+ {
+ offsetof(struct ioctrl512x, io_control_spdif_txclk), 3, 0,
+ IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+ },
+ /* Set highest Slew on 9 PATA pins */
+ {
+ offsetof(struct ioctrl512x, io_control_pata_ce1), 9, 1,
+ IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+ },
+ /* FUNC1=FEC_COL Sets Next 15 to FEC pads */
+ {
+ offsetof(struct ioctrl512x, io_control_psc0_0), 15, 0,
+ IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+ },
+ /* FUNC1=SPDIF_TXCLK */
+ {
+ offsetof(struct ioctrl512x, io_control_lpc_cs1), 1, 0,
+ IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
+ },
+ /* FUNC2=SPDIF_TX and sets Next pin to SPDIF_RX */
+ {
+ offsetof(struct ioctrl512x, io_control_i2c1_scl), 2, 0,
+ IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
+ },
+ /* FUNC2=DIU CLK */
+ {
+ offsetof(struct ioctrl512x, io_control_psc6_0), 1, 0,
+ IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
+ },
+ /* FUNC2=DIU_HSYNC */
+ {
+ offsetof(struct ioctrl512x, io_control_psc6_1), 1, 0,
+ IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+ },
+ /* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads */
+ {
+ offsetof(struct ioctrl512x, io_control_psc6_4), 26, 0,
+ IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
+ IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
+ }
+};
+
+static iopin_t rev2_silicon_pci_ioregs_init[] = {
+ /* FUNC0=PCI Sets next 54 to PCI pads */
+ {
+ offsetof(struct ioctrl512x, io_control_pci_ad31), 54, 0,
+ IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_DS(0)
+ }
+};
+
+int checkboard (void)
+{
+ ushort brd_rev = *(vu_short *) (CONFIG_SYS_CPLD_BASE + 0x00);
+ uchar cpld_rev = *(vu_char *) (CONFIG_SYS_CPLD_BASE + 0x02);
+ volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+ u32 spridr = in_be32(&im->sysconf.spridr);
+
+ printf ("Board: MPC5121ADS rev. 0x%04x (CPLD rev. 0x%02x)\n",
+ brd_rev, cpld_rev);
+
+ /* initialize function mux & slew rate IO inter alia on IO Pins */
+ iopin_initialize(ioregs_init, ARRAY_SIZE(ioregs_init));
+
+ if (SVR_MJREV (spridr) >= 2)
+ iopin_initialize(rev2_silicon_pci_ioregs_init, 1);
+
+ return 0;
+}
+
+#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) */
Code Review / kvmfornfv.git / blobdiff