/*
- * (C) Copyright 2007 DENX Software Engineering
- *
- * 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
+ * (C) Copyright 2007-2009 DENX Software Engineering
*
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
-#include <mpc512x.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>
-DECLARE_GLOBAL_DATA_PTR;
-
-extern int mpc5121_diu_init(void);
-
-/* Clocks in use */
-#define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN | \
- CLOCK_SCCR1_LPC_EN | \
- CLOCK_SCCR1_PSC_EN(CONFIG_PSC_CONSOLE) | \
- CLOCK_SCCR1_PSCFIFO_EN | \
- CLOCK_SCCR1_DDR_EN | \
- CLOCK_SCCR1_FEC_EN | \
- CLOCK_SCCR1_PATA_EN | \
- CLOCK_SCCR1_PCI_EN | \
- CLOCK_SCCR1_TPR_EN)
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
-#define SCCR2_CLOCKS_EN (CLOCK_SCCR2_MEM_EN | \
- CLOCK_SCCR2_SPDIF_EN | \
- CLOCK_SCCR2_DIU_EN | \
- CLOCK_SCCR2_I2C_EN)
+DECLARE_GLOBAL_DATA_PTR;
-#define CSAW_START(start) ((start) & 0xFFFF0000)
-#define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16)
+void __mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip);
-long int fixed_sdram(void);
+/* Active chip number set in board_nand_select_device() (mpc5121_nfc.c) */
+extern int mpc5121_nfc_chip;
-int board_early_init_f (void)
+/* Control chips select signal on MPC5121ADS board */
+void mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip)
{
- volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- u32 lpcaw;
+ unsigned char *csreg = (u8 *)CONFIG_SYS_CPLD_BASE + 0x09;
+ u8 v;
- /*
- * Initialize Local Window for the CPLD registers access (CS2 selects
- * the CPLD chip)
- */
- im->sysconf.lpcs2aw = CSAW_START(CONFIG_SYS_CPLD_BASE) |
- CSAW_STOP(CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_SIZE);
- im->lpc.cs_cfg[2] = CONFIG_SYS_CS2_CFG;
+ v = in_8(csreg);
+ v |= 0x0F;
- /*
- * According to MPC5121e RM, configuring local access windows should
- * be followed by a dummy read of the config register that was
- * modified last and an isync
- */
- lpcaw = im->sysconf.lpcs2aw;
- __asm__ __volatile__ ("isync");
+ 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
*
* write commands in order to establish the device ID.
*/
-#ifdef CONFIG_ADS5121_REV2
- *((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0xC1;
+#ifdef CONFIG_MPC5121ADS_REV2
+ out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1);
#else
- if (*((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) {
- *((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0xC1;
+ if (in_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) {
+ out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1);
} else {
/* running from Backup flash */
- *((volatile u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) = 0x32;
+ out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0x32);
}
#endif
- /*
- * Configure Flash Speed
- */
- *((volatile u32 *)(CONFIG_SYS_IMMR + LPC_OFFSET + CS0_CONFIG)) = CONFIG_SYS_CS0_CFG;
- if (SVR_MJREV (im->sysconf.spridr) >= 2) {
- *((volatile u32 *)(CONFIG_SYS_IMMR + LPC_OFFSET + CS_ALE_TIMING_CONFIG)) = CONFIG_SYS_CS_ALETIMING;
- }
- /*
- * Enable clocks
- */
- im->clk.sccr[0] = SCCR1_CLOCKS_EN;
- im->clk.sccr[1] = SCCR2_CLOCKS_EN;
-#if defined(CONFIG_IIM) || defined(CONFIG_CMD_FUSE)
- im->clk.sccr[1] |= CLOCK_SCCR2_IIM_EN;
-#endif
-
return 0;
}
-phys_size_t initdram (int board_type)
-{
- u32 msize = 0;
+int is_micron(void){
- msize = fixed_sdram ();
+ ushort brd_rev = *(vu_short *)(CONFIG_SYS_CPLD_BASE + 0x00);
+ uchar macaddr[6];
+ u32 brddate, macchk, ismicron;
- return msize;
+ /*
+ * 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);
}
-/*
- * fixed sdram init -- the board doesn't use memory modules that have serial presence
- * detect or similar mechanism for discovery of the DRAM settings
- */
-long int fixed_sdram (void)
+int dram_init(void)
{
- volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
- u32 msize_log2 = __ilog2 (msize);
- u32 i;
-
- /* Initialize IO Control */
- im->io_ctrl.io_control_mem = IOCTRL_MUX_DDR;
-
- /* Initialize DDR Local Window */
- im->sysconf.ddrlaw.bar = CONFIG_SYS_DDR_BASE & 0xFFFFF000;
- im->sysconf.ddrlaw.ar = msize_log2 - 1;
-
+ u32 msize = 0;
/*
- * According to MPC5121e RM, configuring local access windows should
- * be followed by a dummy read of the config register that was
- * modified last and an isync
+ * Elpida MDDRC and initialization settings are an alternative
+ * to the Default Micron ones for all but the earliest Rev 4 boards
*/
- i = im->sysconf.ddrlaw.ar;
- __asm__ __volatile__ ("isync");
-
- /* Enable DDR */
- im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_EN;
-
- /* Initialize DDR Priority Manager */
- im->mddrc.prioman_config1 = CONFIG_SYS_MDDRCGRP_PM_CFG1;
- im->mddrc.prioman_config2 = CONFIG_SYS_MDDRCGRP_PM_CFG2;
- im->mddrc.hiprio_config = CONFIG_SYS_MDDRCGRP_HIPRIO_CFG;
- im->mddrc.lut_table0_main_upper = CONFIG_SYS_MDDRCGRP_LUT0_MU;
- im->mddrc.lut_table0_main_lower = CONFIG_SYS_MDDRCGRP_LUT0_ML;
- im->mddrc.lut_table1_main_upper = CONFIG_SYS_MDDRCGRP_LUT1_MU;
- im->mddrc.lut_table1_main_lower = CONFIG_SYS_MDDRCGRP_LUT1_ML;
- im->mddrc.lut_table2_main_upper = CONFIG_SYS_MDDRCGRP_LUT2_MU;
- im->mddrc.lut_table2_main_lower = CONFIG_SYS_MDDRCGRP_LUT2_ML;
- im->mddrc.lut_table3_main_upper = CONFIG_SYS_MDDRCGRP_LUT3_MU;
- im->mddrc.lut_table3_main_lower = CONFIG_SYS_MDDRCGRP_LUT3_ML;
- im->mddrc.lut_table4_main_upper = CONFIG_SYS_MDDRCGRP_LUT4_MU;
- im->mddrc.lut_table4_main_lower = CONFIG_SYS_MDDRCGRP_LUT4_ML;
- im->mddrc.lut_table0_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT0_AU;
- im->mddrc.lut_table0_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT0_AL;
- im->mddrc.lut_table1_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT1_AU;
- im->mddrc.lut_table1_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT1_AL;
- im->mddrc.lut_table2_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT2_AU;
- im->mddrc.lut_table2_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT2_AL;
- im->mddrc.lut_table3_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT3_AU;
- im->mddrc.lut_table3_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT3_AL;
- im->mddrc.lut_table4_alternate_upper = CONFIG_SYS_MDDRCGRP_LUT4_AU;
- im->mddrc.lut_table4_alternate_lower = CONFIG_SYS_MDDRCGRP_LUT4_AL;
-
- /* Initialize MDDRC */
- im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG;
- im->mddrc.ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0;
- im->mddrc.ddr_time_config1 = CONFIG_SYS_MDDRC_TIME_CFG1;
- im->mddrc.ddr_time_config2 = CONFIG_SYS_MDDRC_TIME_CFG2;
-
- /* Initialize DDR */
- for (i = 0; i < 10; i++)
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
-
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM2;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM2;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_EM3;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_EN_DLL;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_RFSH;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_INIT_DEV_OP;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_OCD_DEFAULT;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_PCHG_ALL;
- im->mddrc.ddr_command = CONFIG_SYS_MICRON_NOP;
+ 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));
+ }
- /* Start MDDRC */
- im->mddrc.ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0_RUN;
- im->mddrc.ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_RUN;
+ gd->ram_size = msize;
- return msize;
+ return 0;
}
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%02lx\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%02lx\n", tmp_val);
-
-#ifdef CONFIG_FSL_DIU_FB
-# if !(defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE))
- mpc5121_diu_init();
-# endif
-#endif
return 0;
}
static iopin_t ioregs_init[] = {
/* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */
{
- IOCTL_SPDIF_TXCLK, 3, 0,
+ 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 */
{
- IOCTL_PATA_CE1, 9, 1,
+ 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 */
{
- IOCTL_PSC0_0, 15, 0,
+ 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 */
{
- IOCTL_LPC_CS1, 1, 0,
+ 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 */
{
- IOCTL_I2C1_SCL, 2, 0,
+ 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 */
{
- IOCTL_PSC6_0, 1, 0,
+ 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 */
{
- IOCTL_PSC6_1, 1, 0,
+ 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 */
{
- IOCTL_PSC6_4, 26, 0,
+ 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 */
{
- IOCTL_PCI_AD31, 54, 0,
+ offsetof(struct ioctrl512x, io_control_pci_ad31), 54, 0,
IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_DS(0)
}
};
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: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n",
+ 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 (im->sysconf.spridr) >= 2)
+ 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)
+#ifdef CONFIG_OF_BOARD_SETUP
+int ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
- fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+
+ return 0;
}
-#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
+#endif /* CONFIG_OF_BOARD_SETUP */
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