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mpc83xx: add SGMII riser module support for the MPC8378E-MDS boards
[karo-tx-uboot.git] / board / freescale / mpc837xemds / mpc837xemds.c
1 /*
2  * Copyright (C) 2007 Freescale Semiconductor, Inc.
3  * Dave Liu <daveliu@freescale.com>
4  *
5  * CREDITS: Kim Phillips contribute to LIBFDT code
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  */
12
13 #include <common.h>
14 #include <i2c.h>
15 #include <asm/io.h>
16 #include <asm/fsl_serdes.h>
17 #include <spd_sdram.h>
18 #include <tsec.h>
19 #if defined(CONFIG_OF_LIBFDT)
20 #include <libfdt.h>
21 #endif
22 #if defined(CONFIG_PQ_MDS_PIB)
23 #include "../common/pq-mds-pib.h"
24 #endif
25
26 int board_early_init_f(void)
27 {
28         u8 *bcsr = (u8 *)CONFIG_SYS_BCSR;
29
30         /* Enable flash write */
31         bcsr[0x9] &= ~0x04;
32         /* Clear all of the interrupt of BCSR */
33         bcsr[0xe] = 0xff;
34
35 #ifdef CONFIG_FSL_SERDES
36         immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
37         u32 spridr = in_be32(&immr->sysconf.spridr);
38
39         /* we check only part num, and don't look for CPU revisions */
40         switch (PARTID_NO_E(spridr)) {
41         case SPR_8377:
42                 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
43                                  FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
44                 fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
45                                  FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
46                 break;
47         case SPR_8378:
48                 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SGMII,
49                                  FSL_SERDES_CLK_125, FSL_SERDES_VDD_1V);
50                 fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
51                                  FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
52                 break;
53         case SPR_8379:
54                 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
55                                  FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
56                 fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_SATA,
57                                  FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
58                 break;
59         default:
60                 printf("serdes not configured: unknown CPU part number: "
61                        "%04x\n", spridr >> 16);
62                 break;
63         }
64 #endif /* CONFIG_FSL_SERDES */
65         return 0;
66 }
67
68 #if defined(CONFIG_TSEC1) || defined(CONFIG_TSEC2)
69 int board_eth_init(bd_t *bd)
70 {
71         struct tsec_info_struct tsec_info[2];
72         struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
73         u32 rcwh = in_be32(&im->reset.rcwh);
74         u32 tsec_mode;
75         int num = 0;
76
77         /* New line after Net: */
78         printf("\n");
79
80 #ifdef CONFIG_TSEC1
81         SET_STD_TSEC_INFO(tsec_info[num], 1);
82
83         printf(CONFIG_TSEC1_NAME ": ");
84
85         tsec_mode = rcwh & HRCWH_TSEC1M_MASK;
86         if (tsec_mode == HRCWH_TSEC1M_IN_RGMII) {
87                 printf("RGMII\n");
88                 /* this is default, no need to fixup */
89         } else if (tsec_mode == HRCWH_TSEC1M_IN_SGMII) {
90                 printf("SGMII\n");
91                 tsec_info[num].phyaddr = TSEC1_PHY_ADDR_SGMII;
92                 tsec_info[num].flags = TSEC_GIGABIT;
93         } else {
94                 printf("unsupported PHY type\n");
95         }
96         num++;
97 #endif
98 #ifdef CONFIG_TSEC2
99         SET_STD_TSEC_INFO(tsec_info[num], 2);
100
101         printf(CONFIG_TSEC2_NAME ": ");
102
103         tsec_mode = rcwh & HRCWH_TSEC2M_MASK;
104         if (tsec_mode == HRCWH_TSEC2M_IN_RGMII) {
105                 printf("RGMII\n");
106                 /* this is default, no need to fixup */
107         } else if (tsec_mode == HRCWH_TSEC2M_IN_SGMII) {
108                 printf("SGMII\n");
109                 tsec_info[num].phyaddr = TSEC2_PHY_ADDR_SGMII;
110                 tsec_info[num].flags = TSEC_GIGABIT;
111         } else {
112                 printf("unsupported PHY type\n");
113         }
114         num++;
115 #endif
116         return tsec_eth_init(bd, tsec_info, num);
117 }
118
119 static void __ft_tsec_fixup(void *blob, bd_t *bd, const char *alias,
120                             int phy_addr)
121 {
122         const char *phy_type = "sgmii";
123         const u32 *ph;
124         int off;
125         int err;
126
127         off = fdt_path_offset(blob, alias);
128         if (off < 0) {
129                 printf("WARNING: could not find %s alias: %s.\n", alias,
130                         fdt_strerror(off));
131                 return;
132         }
133
134         err = fdt_setprop(blob, off, "phy-connection-type", phy_type,
135                           strlen(phy_type) + 1);
136         if (err) {
137                 printf("WARNING: could not set phy-connection-type for %s: "
138                         "%s.\n", alias, fdt_strerror(err));
139                 return;
140         }
141
142         ph = (u32 *)fdt_getprop(blob, off, "phy-handle", 0);
143         if (!ph) {
144                 printf("WARNING: could not get phy-handle for %s.\n",
145                         alias);
146                 return;
147         }
148
149         off = fdt_node_offset_by_phandle(blob, *ph);
150         if (off < 0) {
151                 printf("WARNING: could not get phy node for %s: %s\n", alias,
152                         fdt_strerror(off));
153                 return;
154         }
155
156         phy_addr = cpu_to_fdt32(phy_addr);
157         err = fdt_setprop(blob, off, "reg", &phy_addr, sizeof(phy_addr));
158         if (err < 0) {
159                 printf("WARNING: could not set phy node's reg for %s: "
160                         "%s.\n", alias, fdt_strerror(err));
161                 return;
162         }
163 }
164
165 static void ft_tsec_fixup(void *blob, bd_t *bd)
166 {
167         struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
168         u32 rcwh = in_be32(&im->reset.rcwh);
169         u32 tsec_mode;
170
171 #ifdef CONFIG_TSEC1
172         tsec_mode = rcwh & HRCWH_TSEC1M_MASK;
173         if (tsec_mode == HRCWH_TSEC1M_IN_SGMII)
174                 __ft_tsec_fixup(blob, bd, "ethernet0", TSEC1_PHY_ADDR_SGMII);
175 #endif
176
177 #ifdef CONFIG_TSEC2
178         tsec_mode = rcwh & HRCWH_TSEC2M_MASK;
179         if (tsec_mode == HRCWH_TSEC2M_IN_SGMII)
180                 __ft_tsec_fixup(blob, bd, "ethernet1", TSEC2_PHY_ADDR_SGMII);
181 #endif
182 }
183 #else
184 static inline void ft_tsec_fixup(void *blob, bd_t *bd) {}
185 #endif /* defined(CONFIG_TSEC1) || defined(CONFIG_TSEC2) */
186
187 int board_early_init_r(void)
188 {
189 #ifdef CONFIG_PQ_MDS_PIB
190         pib_init();
191 #endif
192         return 0;
193 }
194
195 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
196 extern void ddr_enable_ecc(unsigned int dram_size);
197 #endif
198 int fixed_sdram(void);
199
200 phys_size_t initdram(int board_type)
201 {
202         volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
203         u32 msize = 0;
204
205         if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
206                 return -1;
207
208 #if defined(CONFIG_SPD_EEPROM)
209         msize = spd_sdram();
210 #else
211         msize = fixed_sdram();
212 #endif
213
214 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
215         /* Initialize DDR ECC byte */
216         ddr_enable_ecc(msize * 1024 * 1024);
217 #endif
218
219         /* return total bus DDR size(bytes) */
220         return (msize * 1024 * 1024);
221 }
222
223 #if !defined(CONFIG_SPD_EEPROM)
224 /*************************************************************************
225  *  fixed sdram init -- doesn't use serial presence detect.
226  ************************************************************************/
227 int fixed_sdram(void)
228 {
229         volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
230         u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
231         u32 msize_log2 = __ilog2(msize);
232
233         im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
234         im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
235
236 #if (CONFIG_SYS_DDR_SIZE != 512)
237 #warning Currenly any ddr size other than 512 is not supported
238 #endif
239         im->sysconf.ddrcdr = CONFIG_SYS_DDRCDR_VALUE;
240         udelay(50000);
241
242         im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_SDRAM_CLK_CNTL;
243         udelay(1000);
244
245         im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
246         im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
247         udelay(1000);
248
249         im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
250         im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
251         im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
252         im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
253         im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
254         im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
255         im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
256         im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
257         im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
258         __asm__ __volatile__("sync");
259         udelay(1000);
260
261         im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
262         udelay(2000);
263         return CONFIG_SYS_DDR_SIZE;
264 }
265 #endif /*!CONFIG_SYS_SPD_EEPROM */
266
267 int checkboard(void)
268 {
269         puts("Board: Freescale MPC837xEMDS\n");
270         return 0;
271 }
272
273 #if defined(CONFIG_OF_BOARD_SETUP)
274 void ft_board_setup(void *blob, bd_t *bd)
275 {
276         ft_cpu_setup(blob, bd);
277         ft_tsec_fixup(blob, bd);
278 #ifdef CONFIG_PCI
279         ft_pci_setup(blob, bd);
280 #endif
281 }
282 #endif /* CONFIG_OF_BOARD_SETUP */