2 * (C) Copyright 2007-2009 DENX Software Engineering
4 * SPDX-License-Identifier: GPL-2.0+
8 #include <asm/bitops.h>
11 #include <asm/processor.h>
12 #include <asm/mpc512x.h>
13 #include <fdt_support.h>
14 #ifdef CONFIG_MISC_INIT_R
19 #include <linux/mtd/mtd.h>
20 #include <linux/mtd/nand.h>
22 DECLARE_GLOBAL_DATA_PTR;
24 void __mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip);
26 /* Active chip number set in board_nand_select_device() (mpc5121_nfc.c) */
27 extern int mpc5121_nfc_chip;
29 /* Control chips select signal on MPC5121ADS board */
30 void mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip)
32 unsigned char *csreg = (u8 *)CONFIG_SYS_CPLD_BASE + 0x09;
39 __mpc5121_nfc_select_chip(mtd, 0);
40 v &= ~(1 << mpc5121_nfc_chip);
42 __mpc5121_nfc_select_chip(mtd, -1);
48 int board_early_init_f(void)
51 * Disable Boot NOR FLASH write protect - CPLD Reg 8 NOR FLASH Control
53 * Without this the flash identification routine fails, as it needs to issue
54 * write commands in order to establish the device ID.
57 #ifdef CONFIG_MPC5121ADS_REV2
58 out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1);
60 if (in_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08)) & 0x04) {
61 out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0xC1);
63 /* running from Backup flash */
64 out_8((u8 *)(CONFIG_SYS_CPLD_BASE + 0x08), 0x32);
72 ushort brd_rev = *(vu_short *)(CONFIG_SYS_CPLD_BASE + 0x00);
74 u32 brddate, macchk, ismicron;
77 * MAC address has serial number with date of manufacture
78 * Boards made before Nov-08 #1180 use Micron memory;
79 * 001e59 is the STx vendor #
80 * Default is Elpida since it works for both but is slightly slower
83 if (brd_rev >= 0x0400 && eth_getenv_enetaddr("ethaddr", macaddr)) {
84 brddate = (macaddr[3] << 16) + (macaddr[4] << 8) + macaddr[5];
85 macchk = (macaddr[0] << 16) + (macaddr[1] << 8) + macaddr[2];
86 debug("brddate = %d\n\t", brddate);
88 if (macchk == 0x001e59 && brddate <= 8111180)
90 } else if (brd_rev < 0x400) {
93 debug("Using %s Memory settings\n\t",
94 ismicron ? "Micron" : "Elpida");
102 * Elpida MDDRC and initialization settings are an alternative
103 * to the Default Micron ones for all but the earliest Rev 4 boards
105 ddr512x_config_t elpida_mddrc_config = {
106 .ddr_sys_config = CONFIG_SYS_MDDRC_SYS_CFG_ELPIDA,
107 .ddr_time_config0 = CONFIG_SYS_MDDRC_TIME_CFG0,
108 .ddr_time_config1 = CONFIG_SYS_MDDRC_TIME_CFG1_ELPIDA,
109 .ddr_time_config2 = CONFIG_SYS_MDDRC_TIME_CFG2_ELPIDA,
112 u32 elpida_init_sequence[] = {
113 CONFIG_SYS_DDRCMD_NOP,
114 CONFIG_SYS_DDRCMD_NOP,
115 CONFIG_SYS_DDRCMD_NOP,
116 CONFIG_SYS_DDRCMD_NOP,
117 CONFIG_SYS_DDRCMD_NOP,
118 CONFIG_SYS_DDRCMD_NOP,
119 CONFIG_SYS_DDRCMD_NOP,
120 CONFIG_SYS_DDRCMD_NOP,
121 CONFIG_SYS_DDRCMD_NOP,
122 CONFIG_SYS_DDRCMD_NOP,
123 CONFIG_SYS_DDRCMD_PCHG_ALL,
124 CONFIG_SYS_DDRCMD_NOP,
125 CONFIG_SYS_DDRCMD_RFSH,
126 CONFIG_SYS_DDRCMD_NOP,
127 CONFIG_SYS_DDRCMD_RFSH,
128 CONFIG_SYS_DDRCMD_NOP,
129 CONFIG_SYS_DDRCMD_EM2,
130 CONFIG_SYS_DDRCMD_EM3,
131 CONFIG_SYS_DDRCMD_EN_DLL,
132 CONFIG_SYS_ELPIDA_RES_DLL,
133 CONFIG_SYS_DDRCMD_PCHG_ALL,
134 CONFIG_SYS_DDRCMD_RFSH,
135 CONFIG_SYS_DDRCMD_RFSH,
136 CONFIG_SYS_DDRCMD_RFSH,
137 CONFIG_SYS_ELPIDA_INIT_DEV_OP,
138 CONFIG_SYS_DDRCMD_NOP,
139 CONFIG_SYS_DDRCMD_NOP,
140 CONFIG_SYS_DDRCMD_NOP,
141 CONFIG_SYS_DDRCMD_NOP,
142 CONFIG_SYS_DDRCMD_NOP,
143 CONFIG_SYS_DDRCMD_NOP,
144 CONFIG_SYS_DDRCMD_NOP,
145 CONFIG_SYS_DDRCMD_NOP,
146 CONFIG_SYS_DDRCMD_NOP,
147 CONFIG_SYS_DDRCMD_NOP,
148 CONFIG_SYS_DDRCMD_OCD_DEFAULT,
149 CONFIG_SYS_ELPIDA_OCD_EXIT,
150 CONFIG_SYS_DDRCMD_NOP,
151 CONFIG_SYS_DDRCMD_NOP,
152 CONFIG_SYS_DDRCMD_NOP,
153 CONFIG_SYS_DDRCMD_NOP,
154 CONFIG_SYS_DDRCMD_NOP,
155 CONFIG_SYS_DDRCMD_NOP,
156 CONFIG_SYS_DDRCMD_NOP,
157 CONFIG_SYS_DDRCMD_NOP,
158 CONFIG_SYS_DDRCMD_NOP,
159 CONFIG_SYS_DDRCMD_NOP
163 msize = fixed_sdram(NULL, NULL, 0);
165 msize = fixed_sdram(&elpida_mddrc_config,
166 elpida_init_sequence,
167 sizeof(elpida_init_sequence)/sizeof(u32));
170 gd->ram_size = msize;
175 int misc_init_r(void)
179 /* Using this for DIU init before the driver in linux takes over
180 * Enable the TFP410 Encoder (I2C address 0x38)
185 i2c_write(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
186 /* Verify if enabled */
188 i2c_read(0x38, 0x08, 1, &tmp_val, sizeof(tmp_val));
189 debug("DVI Encoder Read: 0x%02x\n", tmp_val);
192 i2c_write(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
193 /* Verify if enabled */
195 i2c_read(0x38, 0x0A, 1, &tmp_val, sizeof(tmp_val));
196 debug("DVI Encoder Read: 0x%02x\n", tmp_val);
201 static iopin_t ioregs_init[] = {
202 /* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads */
204 offsetof(struct ioctrl512x, io_control_spdif_txclk), 3, 0,
205 IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
206 IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
208 /* Set highest Slew on 9 PATA pins */
210 offsetof(struct ioctrl512x, io_control_pata_ce1), 9, 1,
211 IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
212 IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
214 /* FUNC1=FEC_COL Sets Next 15 to FEC pads */
216 offsetof(struct ioctrl512x, io_control_psc0_0), 15, 0,
217 IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
218 IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
220 /* FUNC1=SPDIF_TXCLK */
222 offsetof(struct ioctrl512x, io_control_lpc_cs1), 1, 0,
223 IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
224 IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
226 /* FUNC2=SPDIF_TX and sets Next pin to SPDIF_RX */
228 offsetof(struct ioctrl512x, io_control_i2c1_scl), 2, 0,
229 IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
230 IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
234 offsetof(struct ioctrl512x, io_control_psc6_0), 1, 0,
235 IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
236 IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
238 /* FUNC2=DIU_HSYNC */
240 offsetof(struct ioctrl512x, io_control_psc6_1), 1, 0,
241 IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
242 IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
244 /* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads */
246 offsetof(struct ioctrl512x, io_control_psc6_4), 26, 0,
247 IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
248 IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
252 static iopin_t rev2_silicon_pci_ioregs_init[] = {
253 /* FUNC0=PCI Sets next 54 to PCI pads */
255 offsetof(struct ioctrl512x, io_control_pci_ad31), 54, 0,
256 IO_PIN_FMUX(0) | IO_PIN_HOLD(0) | IO_PIN_DS(0)
260 int checkboard (void)
262 ushort brd_rev = *(vu_short *) (CONFIG_SYS_CPLD_BASE + 0x00);
263 uchar cpld_rev = *(vu_char *) (CONFIG_SYS_CPLD_BASE + 0x02);
264 volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
265 u32 spridr = in_be32(&im->sysconf.spridr);
267 printf ("Board: MPC5121ADS rev. 0x%04x (CPLD rev. 0x%02x)\n",
270 /* initialize function mux & slew rate IO inter alia on IO Pins */
271 iopin_initialize(ioregs_init, ARRAY_SIZE(ioregs_init));
273 if (SVR_MJREV (spridr) >= 2)
274 iopin_initialize(rev2_silicon_pci_ioregs_init, 1);
279 #ifdef CONFIG_OF_BOARD_SETUP
280 int ft_board_setup(void *blob, bd_t *bd)
282 ft_cpu_setup(blob, bd);
286 #endif /* CONFIG_OF_BOARD_SETUP */