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Dave Liu19580e62007-09-18 12:37:57 +08001/*
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>
Anton Vorontsovc78c6782009-06-10 00:25:31 +040014#include <hwconfig.h>
Dave Liu19580e62007-09-18 12:37:57 +080015#include <i2c.h>
Dave Liu6f8c85e2008-03-26 22:56:36 +080016#include <asm/io.h>
17#include <asm/fsl_serdes.h>
Dave Liu19580e62007-09-18 12:37:57 +080018#include <spd_sdram.h>
Anton Vorontsov1da83a62008-10-02 18:32:25 +040019#include <tsec.h>
Dave Liu19580e62007-09-18 12:37:57 +080020#include <libfdt.h>
Anton Vorontsov3bf1be32008-10-14 22:58:53 +040021#include <fdt_support.h>
Anton Vorontsovc78c6782009-06-10 00:25:31 +040022#include <fsl_esdhc.h>
Anton Vorontsov8b345572009-01-08 04:26:19 +030023#include "pci.h"
Dave Liu19580e62007-09-18 12:37:57 +080024#include "../common/pq-mds-pib.h"
Dave Liu19580e62007-09-18 12:37:57 +080025
26int board_early_init_f(void)
27{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020028 u8 *bcsr = (u8 *)CONFIG_SYS_BCSR;
Dave Liu19580e62007-09-18 12:37:57 +080029
30 /* Enable flash write */
31 bcsr[0x9] &= ~0x04;
32 /* Clear all of the interrupt of BCSR */
33 bcsr[0xe] = 0xff;
34
Dave Liu6f8c85e2008-03-26 22:56:36 +080035#ifdef CONFIG_FSL_SERDES
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020036 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
Dave Liu6f8c85e2008-03-26 22:56:36 +080037 u32 spridr = in_be32(&immr->sysconf.spridr);
38
39 /* we check only part num, and don't look for CPU revisions */
Dave Liu5fb5a682008-03-31 17:05:12 +080040 switch (PARTID_NO_E(spridr)) {
Kim Phillipse5c4ade2008-03-28 10:19:07 -050041 case SPR_8377:
Dave Liu6f8c85e2008-03-26 22:56:36 +080042 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
Andy Fleminge1ac3872008-10-30 16:50:14 -050043 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
Dave Liu6f8c85e2008-03-26 22:56:36 +080044 break;
Kim Phillipse5c4ade2008-03-28 10:19:07 -050045 case SPR_8378:
Anton Vorontsov1da83a62008-10-02 18:32:25 +040046 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SGMII,
Andy Fleminge1ac3872008-10-30 16:50:14 -050047 FSL_SERDES_CLK_125, FSL_SERDES_VDD_1V);
Kim Phillipse5c4ade2008-03-28 10:19:07 -050048 break;
49 case SPR_8379:
50 fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
Andy Fleminge1ac3872008-10-30 16:50:14 -050051 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
Kim Phillipse5c4ade2008-03-28 10:19:07 -050052 fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_SATA,
Andy Fleminge1ac3872008-10-30 16:50:14 -050053 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
Kim Phillipse5c4ade2008-03-28 10:19:07 -050054 break;
Dave Liu6f8c85e2008-03-26 22:56:36 +080055 default:
56 printf("serdes not configured: unknown CPU part number: "
Andy Fleminge1ac3872008-10-30 16:50:14 -050057 "%04x\n", spridr >> 16);
Dave Liu6f8c85e2008-03-26 22:56:36 +080058 break;
59 }
60#endif /* CONFIG_FSL_SERDES */
Dave Liu19580e62007-09-18 12:37:57 +080061 return 0;
62}
63
Anton Vorontsovc78c6782009-06-10 00:25:31 +040064#ifdef CONFIG_FSL_ESDHC
65int board_mmc_init(bd_t *bd)
66{
67 struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
68 u8 *bcsr = (u8 *)CONFIG_SYS_BCSR;
69
70 if (!hwconfig("esdhc"))
71 return 0;
72
73 /* Set SPI_SD, SER_SD, and IRQ4_WP so that SD signals go through */
74 bcsr[0xc] |= 0x4c;
75
76 /* Set proper bits in SICR to allow SD signals through */
77 clrsetbits_be32(&im->sysconf.sicrl, SICRL_USB_B, SICRL_USB_B_SD);
78 clrsetbits_be32(&im->sysconf.sicrh, SICRH_GPIO2_E | SICRH_SPI,
79 SICRH_GPIO2_E_SD | SICRH_SPI_SD);
80
81 return fsl_esdhc_mmc_init(bd);
82}
83#endif
84
Anton Vorontsov1da83a62008-10-02 18:32:25 +040085#if defined(CONFIG_TSEC1) || defined(CONFIG_TSEC2)
86int board_eth_init(bd_t *bd)
87{
88 struct tsec_info_struct tsec_info[2];
89 struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
90 u32 rcwh = in_be32(&im->reset.rcwh);
91 u32 tsec_mode;
92 int num = 0;
93
94 /* New line after Net: */
95 printf("\n");
96
97#ifdef CONFIG_TSEC1
98 SET_STD_TSEC_INFO(tsec_info[num], 1);
99
100 printf(CONFIG_TSEC1_NAME ": ");
101
102 tsec_mode = rcwh & HRCWH_TSEC1M_MASK;
103 if (tsec_mode == HRCWH_TSEC1M_IN_RGMII) {
104 printf("RGMII\n");
105 /* this is default, no need to fixup */
106 } else if (tsec_mode == HRCWH_TSEC1M_IN_SGMII) {
107 printf("SGMII\n");
108 tsec_info[num].phyaddr = TSEC1_PHY_ADDR_SGMII;
109 tsec_info[num].flags = TSEC_GIGABIT;
110 } else {
111 printf("unsupported PHY type\n");
112 }
113 num++;
114#endif
115#ifdef CONFIG_TSEC2
116 SET_STD_TSEC_INFO(tsec_info[num], 2);
117
118 printf(CONFIG_TSEC2_NAME ": ");
119
120 tsec_mode = rcwh & HRCWH_TSEC2M_MASK;
121 if (tsec_mode == HRCWH_TSEC2M_IN_RGMII) {
122 printf("RGMII\n");
123 /* this is default, no need to fixup */
124 } else if (tsec_mode == HRCWH_TSEC2M_IN_SGMII) {
125 printf("SGMII\n");
126 tsec_info[num].phyaddr = TSEC2_PHY_ADDR_SGMII;
127 tsec_info[num].flags = TSEC_GIGABIT;
128 } else {
129 printf("unsupported PHY type\n");
130 }
131 num++;
132#endif
133 return tsec_eth_init(bd, tsec_info, num);
134}
135
136static void __ft_tsec_fixup(void *blob, bd_t *bd, const char *alias,
137 int phy_addr)
138{
139 const char *phy_type = "sgmii";
140 const u32 *ph;
141 int off;
142 int err;
143
144 off = fdt_path_offset(blob, alias);
145 if (off < 0) {
146 printf("WARNING: could not find %s alias: %s.\n", alias,
147 fdt_strerror(off));
148 return;
149 }
150
151 err = fdt_setprop(blob, off, "phy-connection-type", phy_type,
152 strlen(phy_type) + 1);
153 if (err) {
154 printf("WARNING: could not set phy-connection-type for %s: "
155 "%s.\n", alias, fdt_strerror(err));
156 return;
157 }
158
159 ph = (u32 *)fdt_getprop(blob, off, "phy-handle", 0);
160 if (!ph) {
161 printf("WARNING: could not get phy-handle for %s.\n",
162 alias);
163 return;
164 }
165
166 off = fdt_node_offset_by_phandle(blob, *ph);
167 if (off < 0) {
168 printf("WARNING: could not get phy node for %s: %s\n", alias,
169 fdt_strerror(off));
170 return;
171 }
172
173 phy_addr = cpu_to_fdt32(phy_addr);
174 err = fdt_setprop(blob, off, "reg", &phy_addr, sizeof(phy_addr));
175 if (err < 0) {
176 printf("WARNING: could not set phy node's reg for %s: "
177 "%s.\n", alias, fdt_strerror(err));
178 return;
179 }
180}
181
182static void ft_tsec_fixup(void *blob, bd_t *bd)
183{
184 struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
185 u32 rcwh = in_be32(&im->reset.rcwh);
186 u32 tsec_mode;
187
188#ifdef CONFIG_TSEC1
189 tsec_mode = rcwh & HRCWH_TSEC1M_MASK;
190 if (tsec_mode == HRCWH_TSEC1M_IN_SGMII)
191 __ft_tsec_fixup(blob, bd, "ethernet0", TSEC1_PHY_ADDR_SGMII);
192#endif
193
194#ifdef CONFIG_TSEC2
195 tsec_mode = rcwh & HRCWH_TSEC2M_MASK;
196 if (tsec_mode == HRCWH_TSEC2M_IN_SGMII)
197 __ft_tsec_fixup(blob, bd, "ethernet1", TSEC2_PHY_ADDR_SGMII);
198#endif
199}
200#else
201static inline void ft_tsec_fixup(void *blob, bd_t *bd) {}
202#endif /* defined(CONFIG_TSEC1) || defined(CONFIG_TSEC2) */
203
Dave Liu19580e62007-09-18 12:37:57 +0800204int board_early_init_r(void)
205{
206#ifdef CONFIG_PQ_MDS_PIB
207 pib_init();
208#endif
209 return 0;
210}
211
Peter Tyser9adda542009-06-30 17:15:50 -0500212#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
Dave Liu19580e62007-09-18 12:37:57 +0800213extern void ddr_enable_ecc(unsigned int dram_size);
214#endif
215int fixed_sdram(void);
216
Becky Bruce9973e3c2008-06-09 16:03:40 -0500217phys_size_t initdram(int board_type)
Dave Liu19580e62007-09-18 12:37:57 +0800218{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200219 volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
Dave Liu19580e62007-09-18 12:37:57 +0800220 u32 msize = 0;
221
222 if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
223 return -1;
224
225#if defined(CONFIG_SPD_EEPROM)
226 msize = spd_sdram();
227#else
228 msize = fixed_sdram();
229#endif
230
Peter Tyser9adda542009-06-30 17:15:50 -0500231#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
Dave Liu19580e62007-09-18 12:37:57 +0800232 /* Initialize DDR ECC byte */
233 ddr_enable_ecc(msize * 1024 * 1024);
234#endif
235
236 /* return total bus DDR size(bytes) */
237 return (msize * 1024 * 1024);
238}
239
240#if !defined(CONFIG_SPD_EEPROM)
241/*************************************************************************
242 * fixed sdram init -- doesn't use serial presence detect.
243 ************************************************************************/
244int fixed_sdram(void)
245{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200246 volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
247 u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
Dave Liu19580e62007-09-18 12:37:57 +0800248 u32 msize_log2 = __ilog2(msize);
249
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200250 im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
Dave Liu19580e62007-09-18 12:37:57 +0800251 im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
252
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200253#if (CONFIG_SYS_DDR_SIZE != 512)
Dave Liu19580e62007-09-18 12:37:57 +0800254#warning Currenly any ddr size other than 512 is not supported
255#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200256 im->sysconf.ddrcdr = CONFIG_SYS_DDRCDR_VALUE;
Dave Liu19580e62007-09-18 12:37:57 +0800257 udelay(50000);
258
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200259 im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_SDRAM_CLK_CNTL;
Dave Liu19580e62007-09-18 12:37:57 +0800260 udelay(1000);
261
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200262 im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
263 im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
Dave Liu19580e62007-09-18 12:37:57 +0800264 udelay(1000);
265
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200266 im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
267 im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
268 im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
269 im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
270 im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
271 im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
272 im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
273 im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
274 im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
Dave Liu19580e62007-09-18 12:37:57 +0800275 __asm__ __volatile__("sync");
276 udelay(1000);
277
278 im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
279 udelay(2000);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200280 return CONFIG_SYS_DDR_SIZE;
Dave Liu19580e62007-09-18 12:37:57 +0800281}
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200282#endif /*!CONFIG_SYS_SPD_EEPROM */
Dave Liu19580e62007-09-18 12:37:57 +0800283
284int checkboard(void)
285{
286 puts("Board: Freescale MPC837xEMDS\n");
287 return 0;
288}
289
Anton Vorontsov00f7bba2008-10-02 19:17:33 +0400290#ifdef CONFIG_PCI
291int board_pci_host_broken(void)
292{
293 struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
294 const u32 rcw_mask = HRCWH_PCI1_ARBITER_ENABLE | HRCWH_PCI_HOST;
Anton Vorontsov00f7bba2008-10-02 19:17:33 +0400295
296 /* It's always OK in case of external arbiter. */
Anton Vorontsovbfadb172009-06-10 00:25:38 +0400297 if (hwconfig_subarg_cmp("pci", "arbiter", "external"))
Anton Vorontsov00f7bba2008-10-02 19:17:33 +0400298 return 0;
299
300 if ((in_be32(&im->reset.rcwh) & rcw_mask) != rcw_mask)
301 return 1;
302
303 return 0;
304}
305
306static void ft_pci_fixup(void *blob, bd_t *bd)
307{
308 const char *status = "broken (no arbiter)";
309 int off;
310 int err;
311
312 off = fdt_path_offset(blob, "pci0");
313 if (off < 0) {
314 printf("WARNING: could not find pci0 alias: %s.\n",
315 fdt_strerror(off));
316 return;
317 }
318
319 err = fdt_setprop(blob, off, "status", status, strlen(status) + 1);
320 if (err) {
321 printf("WARNING: could not set status for pci0: %s.\n",
322 fdt_strerror(err));
323 return;
324 }
325}
326#endif
327
Dave Liu19580e62007-09-18 12:37:57 +0800328#if defined(CONFIG_OF_BOARD_SETUP)
329void ft_board_setup(void *blob, bd_t *bd)
330{
Dave Liu19580e62007-09-18 12:37:57 +0800331 ft_cpu_setup(blob, bd);
Anton Vorontsov1da83a62008-10-02 18:32:25 +0400332 ft_tsec_fixup(blob, bd);
Anton Vorontsov3bf1be32008-10-14 22:58:53 +0400333 fdt_fixup_dr_usb(blob, bd);
Anton Vorontsovc78c6782009-06-10 00:25:31 +0400334 fdt_fixup_esdhc(blob, bd);
Dave Liu19580e62007-09-18 12:37:57 +0800335#ifdef CONFIG_PCI
336 ft_pci_setup(blob, bd);
Anton Vorontsov00f7bba2008-10-02 19:17:33 +0400337 if (board_pci_host_broken())
338 ft_pci_fixup(blob, bd);
Anton Vorontsov8b345572009-01-08 04:26:19 +0300339 ft_pcie_fixup(blob, bd);
Dave Liu19580e62007-09-18 12:37:57 +0800340#endif
341}
342#endif /* CONFIG_OF_BOARD_SETUP */