2 * Copyright (C) 2006 Freescale Semiconductor, Inc.
3 * Dave Liu <daveliu@freescale.com>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
20 #if defined(CONFIG_PCI)
23 #if defined(CONFIG_SPD_EEPROM)
24 #include <spd_sdram.h>
28 #if defined(CONFIG_OF_FLAT_TREE)
30 #elif defined(CONFIG_OF_LIBFDT)
34 const qe_iop_conf_t qe_iop_conf_tab[] = {
36 {0, 3, 1, 0, 1}, /* TxD0 */
37 {0, 4, 1, 0, 1}, /* TxD1 */
38 {0, 5, 1, 0, 1}, /* TxD2 */
39 {0, 6, 1, 0, 1}, /* TxD3 */
40 {1, 6, 1, 0, 3}, /* TxD4 */
41 {1, 7, 1, 0, 1}, /* TxD5 */
42 {1, 9, 1, 0, 2}, /* TxD6 */
43 {1, 10, 1, 0, 2}, /* TxD7 */
44 {0, 9, 2, 0, 1}, /* RxD0 */
45 {0, 10, 2, 0, 1}, /* RxD1 */
46 {0, 11, 2, 0, 1}, /* RxD2 */
47 {0, 12, 2, 0, 1}, /* RxD3 */
48 {0, 13, 2, 0, 1}, /* RxD4 */
49 {1, 1, 2, 0, 2}, /* RxD5 */
50 {1, 0, 2, 0, 2}, /* RxD6 */
51 {1, 4, 2, 0, 2}, /* RxD7 */
52 {0, 7, 1, 0, 1}, /* TX_EN */
53 {0, 8, 1, 0, 1}, /* TX_ER */
54 {0, 15, 2, 0, 1}, /* RX_DV */
55 {0, 16, 2, 0, 1}, /* RX_ER */
56 {0, 0, 2, 0, 1}, /* RX_CLK */
57 {2, 9, 1, 0, 3}, /* GTX_CLK - CLK10 */
58 {2, 8, 2, 0, 1}, /* GTX125 - CLK9 */
60 {0, 17, 1, 0, 1}, /* TxD0 */
61 {0, 18, 1, 0, 1}, /* TxD1 */
62 {0, 19, 1, 0, 1}, /* TxD2 */
63 {0, 20, 1, 0, 1}, /* TxD3 */
64 {1, 2, 1, 0, 1}, /* TxD4 */
65 {1, 3, 1, 0, 2}, /* TxD5 */
66 {1, 5, 1, 0, 3}, /* TxD6 */
67 {1, 8, 1, 0, 3}, /* TxD7 */
68 {0, 23, 2, 0, 1}, /* RxD0 */
69 {0, 24, 2, 0, 1}, /* RxD1 */
70 {0, 25, 2, 0, 1}, /* RxD2 */
71 {0, 26, 2, 0, 1}, /* RxD3 */
72 {0, 27, 2, 0, 1}, /* RxD4 */
73 {1, 12, 2, 0, 2}, /* RxD5 */
74 {1, 13, 2, 0, 3}, /* RxD6 */
75 {1, 11, 2, 0, 2}, /* RxD7 */
76 {0, 21, 1, 0, 1}, /* TX_EN */
77 {0, 22, 1, 0, 1}, /* TX_ER */
78 {0, 29, 2, 0, 1}, /* RX_DV */
79 {0, 30, 2, 0, 1}, /* RX_ER */
80 {0, 31, 2, 0, 1}, /* RX_CLK */
81 {2, 2, 1, 0, 2}, /* GTX_CLK = CLK10 */
82 {2, 3, 2, 0, 1}, /* GTX125 - CLK4 */
84 {0, 1, 3, 0, 2}, /* MDIO */
85 {0, 2, 1, 0, 1}, /* MDC */
87 {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */
90 int board_early_init_f(void)
93 u8 *bcsr = (u8 *)CFG_BCSR;
94 const immap_t *immr = (immap_t *)CFG_IMMR;
96 /* Enable flash write */
99 /* Disable G1TXCLK, G2TXCLK h/w buffers (rev.2 h/w bug workaround) */
100 if (immr->sysconf.spridr == SPR_8360_REV20 ||
101 immr->sysconf.spridr == SPR_8360E_REV20 ||
102 immr->sysconf.spridr == SPR_8360_REV21 ||
103 immr->sysconf.spridr == SPR_8360E_REV21)
109 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
110 extern void ddr_enable_ecc(unsigned int dram_size);
112 int fixed_sdram(void);
113 void sdram_init(void);
115 long int initdram(int board_type)
117 volatile immap_t *im = (immap_t *) CFG_IMMR;
120 if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
123 /* DDR SDRAM - Main SODIMM */
124 im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;
125 #if defined(CONFIG_SPD_EEPROM)
128 msize = fixed_sdram();
131 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
133 * Initialize DDR ECC byte
135 ddr_enable_ecc(msize * 1024 * 1024);
138 * Initialize SDRAM if it is on local bus.
142 /* return total bus SDRAM size(bytes) -- DDR */
143 return (msize * 1024 * 1024);
146 #if !defined(CONFIG_SPD_EEPROM)
147 /*************************************************************************
148 * fixed sdram init -- doesn't use serial presence detect.
149 ************************************************************************/
150 int fixed_sdram(void)
152 volatile immap_t *im = (immap_t *) CFG_IMMR;
157 msize = CFG_DDR_SIZE;
158 for (ddr_size = msize << 20, ddr_size_log2 = 0;
159 (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) {
164 im->sysconf.ddrlaw[0].ar =
165 LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
166 #if (CFG_DDR_SIZE != 256)
167 #warning Currenly any ddr size other than 256 is not supported
170 im->ddr.csbnds[0].csbnds = CFG_DDR_CS0_BNDS;
171 im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG;
172 im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0;
173 im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
174 im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
175 im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3;
176 im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG;
177 im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2;
178 im->ddr.sdram_mode = CFG_DDR_MODE;
179 im->ddr.sdram_mode2 = CFG_DDR_MODE2;
180 im->ddr.sdram_interval = CFG_DDR_INTERVAL;
181 im->ddr.sdram_clk_cntl = CFG_DDR_CLK_CNTL;
183 im->ddr.csbnds[0].csbnds = 0x00000007;
184 im->ddr.csbnds[1].csbnds = 0x0008000f;
186 im->ddr.cs_config[0] = CFG_DDR_CONFIG;
187 im->ddr.cs_config[1] = CFG_DDR_CONFIG;
189 im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
190 im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
191 im->ddr.sdram_cfg = CFG_DDR_CONTROL;
193 im->ddr.sdram_mode = CFG_DDR_MODE;
194 im->ddr.sdram_interval = CFG_DDR_INTERVAL;
197 im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
201 #endif /*!CFG_SPD_EEPROM */
205 puts("Board: Freescale MPC8360EMDS\n");
210 * if MPC8360EMDS is soldered with SDRAM
212 #if defined(CFG_BR2_PRELIM) \
213 && defined(CFG_OR2_PRELIM) \
214 && defined(CFG_LBLAWBAR2_PRELIM) \
215 && defined(CFG_LBLAWAR2_PRELIM)
217 * Initialize SDRAM memory on the Local Bus.
220 void sdram_init(void)
222 volatile immap_t *immap = (immap_t *) CFG_IMMR;
223 volatile lbus83xx_t *lbc = &immap->lbus;
224 uint *sdram_addr = (uint *) CFG_LBC_SDRAM_BASE;
226 puts("\n SDRAM on Local Bus: ");
227 print_size(CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
229 * Setup SDRAM Base and Option Registers, already done in cpu_init.c
231 /*setup mtrpt, lsrt and lbcr for LB bus */
232 lbc->lbcr = CFG_LBC_LBCR;
233 lbc->mrtpr = CFG_LBC_MRTPR;
234 lbc->lsrt = CFG_LBC_LSRT;
238 * Configure the SDRAM controller Machine Mode Register.
240 lbc->lsdmr = CFG_LBC_LSDMR_5; /* Normal Operation */
241 lbc->lsdmr = CFG_LBC_LSDMR_1; /* Precharge All Banks */
247 * We need do 8 times auto refresh operation.
249 lbc->lsdmr = CFG_LBC_LSDMR_2;
251 *sdram_addr = 0xff; /* 1 times */
253 *sdram_addr = 0xff; /* 2 times */
255 *sdram_addr = 0xff; /* 3 times */
257 *sdram_addr = 0xff; /* 4 times */
259 *sdram_addr = 0xff; /* 5 times */
261 *sdram_addr = 0xff; /* 6 times */
263 *sdram_addr = 0xff; /* 7 times */
265 *sdram_addr = 0xff; /* 8 times */
268 /* Mode register write operation */
269 lbc->lsdmr = CFG_LBC_LSDMR_4;
271 *(sdram_addr + 0xcc) = 0xff;
274 /* Normal operation */
275 lbc->lsdmr = CFG_LBC_LSDMR_5 | 0x40000000;
281 void sdram_init(void)
283 puts("SDRAM on Local Bus is NOT available!\n");
287 #if (defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)) \
288 && defined(CONFIG_OF_BOARD_SETUP)
290 ft_board_setup(void *blob, bd_t *bd)
292 #if defined(CONFIG_OF_FLAT_TREE)
296 p = ft_get_prop(blob, "/memory/reg", &len);
298 *p++ = cpu_to_be32(bd->bi_memstart);
299 *p = cpu_to_be32(bd->bi_memsize);
304 ft_pci_setup(blob, bd);
306 ft_cpu_setup(blob, bd);
308 #endif /* CONFIG_OF_x */