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_LIBFDT)
31 #if defined(CONFIG_PQ_MDS_PIB)
32 #include "../common/pq-mds-pib.h"
35 const qe_iop_conf_t qe_iop_conf_tab[] = {
37 {0, 3, 1, 0, 1}, /* TxD0 */
38 {0, 4, 1, 0, 1}, /* TxD1 */
39 {0, 5, 1, 0, 1}, /* TxD2 */
40 {0, 6, 1, 0, 1}, /* TxD3 */
41 {1, 6, 1, 0, 3}, /* TxD4 */
42 {1, 7, 1, 0, 1}, /* TxD5 */
43 {1, 9, 1, 0, 2}, /* TxD6 */
44 {1, 10, 1, 0, 2}, /* TxD7 */
45 {0, 9, 2, 0, 1}, /* RxD0 */
46 {0, 10, 2, 0, 1}, /* RxD1 */
47 {0, 11, 2, 0, 1}, /* RxD2 */
48 {0, 12, 2, 0, 1}, /* RxD3 */
49 {0, 13, 2, 0, 1}, /* RxD4 */
50 {1, 1, 2, 0, 2}, /* RxD5 */
51 {1, 0, 2, 0, 2}, /* RxD6 */
52 {1, 4, 2, 0, 2}, /* RxD7 */
53 {0, 7, 1, 0, 1}, /* TX_EN */
54 {0, 8, 1, 0, 1}, /* TX_ER */
55 {0, 15, 2, 0, 1}, /* RX_DV */
56 {0, 16, 2, 0, 1}, /* RX_ER */
57 {0, 0, 2, 0, 1}, /* RX_CLK */
58 {2, 9, 1, 0, 3}, /* GTX_CLK - CLK10 */
59 {2, 8, 2, 0, 1}, /* GTX125 - CLK9 */
61 {0, 17, 1, 0, 1}, /* TxD0 */
62 {0, 18, 1, 0, 1}, /* TxD1 */
63 {0, 19, 1, 0, 1}, /* TxD2 */
64 {0, 20, 1, 0, 1}, /* TxD3 */
65 {1, 2, 1, 0, 1}, /* TxD4 */
66 {1, 3, 1, 0, 2}, /* TxD5 */
67 {1, 5, 1, 0, 3}, /* TxD6 */
68 {1, 8, 1, 0, 3}, /* TxD7 */
69 {0, 23, 2, 0, 1}, /* RxD0 */
70 {0, 24, 2, 0, 1}, /* RxD1 */
71 {0, 25, 2, 0, 1}, /* RxD2 */
72 {0, 26, 2, 0, 1}, /* RxD3 */
73 {0, 27, 2, 0, 1}, /* RxD4 */
74 {1, 12, 2, 0, 2}, /* RxD5 */
75 {1, 13, 2, 0, 3}, /* RxD6 */
76 {1, 11, 2, 0, 2}, /* RxD7 */
77 {0, 21, 1, 0, 1}, /* TX_EN */
78 {0, 22, 1, 0, 1}, /* TX_ER */
79 {0, 29, 2, 0, 1}, /* RX_DV */
80 {0, 30, 2, 0, 1}, /* RX_ER */
81 {0, 31, 2, 0, 1}, /* RX_CLK */
82 {2, 2, 1, 0, 2}, /* GTX_CLK = CLK10 */
83 {2, 3, 2, 0, 1}, /* GTX125 - CLK4 */
85 {0, 1, 3, 0, 2}, /* MDIO */
86 {0, 2, 1, 0, 1}, /* MDC */
88 {5, 0, 1, 0, 2}, /* UART2_SOUT */
89 {5, 1, 2, 0, 3}, /* UART2_CTS */
90 {5, 2, 1, 0, 1}, /* UART2_RTS */
91 {5, 3, 2, 0, 2}, /* UART2_SIN */
93 {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */
96 int board_early_init_f(void)
99 u8 *bcsr = (u8 *)CFG_BCSR;
100 const immap_t *immr = (immap_t *)CFG_IMMR;
102 /* Enable flash write */
105 /* Disable G1TXCLK, G2TXCLK h/w buffers (rev.2 h/w bug workaround) */
106 if (immr->sysconf.spridr == SPR_8360_REV20 ||
107 immr->sysconf.spridr == SPR_8360E_REV20 ||
108 immr->sysconf.spridr == SPR_8360_REV21 ||
109 immr->sysconf.spridr == SPR_8360E_REV21)
112 /* Enable second UART */
118 int board_early_init_r(void)
120 #ifdef CONFIG_PQ_MDS_PIB
126 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
127 extern void ddr_enable_ecc(unsigned int dram_size);
129 int fixed_sdram(void);
130 void sdram_init(void);
132 long int initdram(int board_type)
134 volatile immap_t *im = (immap_t *) CFG_IMMR;
137 if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
140 /* DDR SDRAM - Main SODIMM */
141 im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;
142 #if defined(CONFIG_SPD_EEPROM)
145 msize = fixed_sdram();
148 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
150 * Initialize DDR ECC byte
152 ddr_enable_ecc(msize * 1024 * 1024);
155 * Initialize SDRAM if it is on local bus.
159 /* return total bus SDRAM size(bytes) -- DDR */
160 return (msize * 1024 * 1024);
163 #if !defined(CONFIG_SPD_EEPROM)
164 /*************************************************************************
165 * fixed sdram init -- doesn't use serial presence detect.
166 ************************************************************************/
167 int fixed_sdram(void)
169 volatile immap_t *im = (immap_t *) CFG_IMMR;
174 msize = CFG_DDR_SIZE;
175 for (ddr_size = msize << 20, ddr_size_log2 = 0;
176 (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) {
181 im->sysconf.ddrlaw[0].ar =
182 LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
183 #if (CFG_DDR_SIZE != 256)
184 #warning Currenly any ddr size other than 256 is not supported
187 im->ddr.csbnds[0].csbnds = CFG_DDR_CS0_BNDS;
188 im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG;
189 im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0;
190 im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
191 im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
192 im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3;
193 im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG;
194 im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2;
195 im->ddr.sdram_mode = CFG_DDR_MODE;
196 im->ddr.sdram_mode2 = CFG_DDR_MODE2;
197 im->ddr.sdram_interval = CFG_DDR_INTERVAL;
198 im->ddr.sdram_clk_cntl = CFG_DDR_CLK_CNTL;
200 im->ddr.csbnds[0].csbnds = 0x00000007;
201 im->ddr.csbnds[1].csbnds = 0x0008000f;
203 im->ddr.cs_config[0] = CFG_DDR_CONFIG;
204 im->ddr.cs_config[1] = CFG_DDR_CONFIG;
206 im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
207 im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
208 im->ddr.sdram_cfg = CFG_DDR_CONTROL;
210 im->ddr.sdram_mode = CFG_DDR_MODE;
211 im->ddr.sdram_interval = CFG_DDR_INTERVAL;
214 im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
218 #endif /*!CFG_SPD_EEPROM */
222 puts("Board: Freescale MPC8360EMDS\n");
227 * if MPC8360EMDS is soldered with SDRAM
229 #if defined(CFG_BR2_PRELIM) \
230 && defined(CFG_OR2_PRELIM) \
231 && defined(CFG_LBLAWBAR2_PRELIM) \
232 && defined(CFG_LBLAWAR2_PRELIM)
234 * Initialize SDRAM memory on the Local Bus.
237 void sdram_init(void)
239 volatile immap_t *immap = (immap_t *) CFG_IMMR;
240 volatile lbus83xx_t *lbc = &immap->lbus;
241 uint *sdram_addr = (uint *) CFG_LBC_SDRAM_BASE;
244 * Setup SDRAM Base and Option Registers, already done in cpu_init.c
246 /*setup mtrpt, lsrt and lbcr for LB bus */
247 lbc->lbcr = CFG_LBC_LBCR;
248 lbc->mrtpr = CFG_LBC_MRTPR;
249 lbc->lsrt = CFG_LBC_LSRT;
253 * Configure the SDRAM controller Machine Mode Register.
255 lbc->lsdmr = CFG_LBC_LSDMR_5; /* Normal Operation */
256 lbc->lsdmr = CFG_LBC_LSDMR_1; /* Precharge All Banks */
262 * We need do 8 times auto refresh operation.
264 lbc->lsdmr = CFG_LBC_LSDMR_2;
266 *sdram_addr = 0xff; /* 1 times */
268 *sdram_addr = 0xff; /* 2 times */
270 *sdram_addr = 0xff; /* 3 times */
272 *sdram_addr = 0xff; /* 4 times */
274 *sdram_addr = 0xff; /* 5 times */
276 *sdram_addr = 0xff; /* 6 times */
278 *sdram_addr = 0xff; /* 7 times */
280 *sdram_addr = 0xff; /* 8 times */
283 /* Mode register write operation */
284 lbc->lsdmr = CFG_LBC_LSDMR_4;
286 *(sdram_addr + 0xcc) = 0xff;
289 /* Normal operation */
290 lbc->lsdmr = CFG_LBC_LSDMR_5 | 0x40000000;
296 void sdram_init(void)
301 #if defined(CONFIG_OF_BOARD_SETUP)
302 void ft_board_setup(void *blob, bd_t *bd)
304 const immap_t *immr = (immap_t *)CFG_IMMR;
306 ft_cpu_setup(blob, bd);
308 ft_pci_setup(blob, bd);
311 * mpc8360ea pb mds errata 2: RGMII timing
312 * if on mpc8360ea rev. 2.1,
313 * change both ucc phy-connection-types from rgmii-id to rgmii-rxid
315 if (immr->sysconf.spridr == SPR_8360_REV21 ||
316 immr->sysconf.spridr == SPR_8360E_REV21) {
321 nodeoffset = fdt_path_offset(fdt, "/aliases");
322 if (nodeoffset >= 0) {
323 #if defined(CONFIG_HAS_ETH0)
324 /* fixup UCC 1 if using rgmii-id mode */
325 path = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
327 prop = fdt_getprop(blob, nodeoffset,
328 "phy-connection-type", 0);
329 if (prop && (strcmp(prop, "rgmii-id") == 0))
330 fdt_setprop(blob, nodeoffset, "phy-connection-type",
331 "rgmii-rxid", sizeof("rgmii-rxid"));
334 #if defined(CONFIG_HAS_ETH1)
335 /* fixup UCC 2 if using rgmii-id mode */
336 path = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
338 prop = fdt_getprop(blob, nodeoffset,
339 "phy-connection-type", 0);
340 if (prop && (strcmp(prop, "rgmii-id") == 0))
341 fdt_setprop(blob, nodeoffset, "phy-connection-type",
342 "rgmii-rxid", sizeof("rgmii-rxid"));