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8#include <common.h>
9#include <env.h>
10#include <hwconfig.h>
11#include <i2c.h>
12#include <init.h>
13#include <asm/bitops.h>
14#include <asm/global_data.h>
15#include <asm/io.h>
16#include <asm/fsl_mpc83xx_serdes.h>
17#include <fdt_support.h>
18#include <spd_sdram.h>
19#include <vsc7385.h>
20#include <fsl_esdhc.h>
21#include <linux/delay.h>
22
23DECLARE_GLOBAL_DATA_PTR;
24
25#if defined(CFG_SYS_DRAM_TEST)
26int
27testdram(void)
28{
29 uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
30 uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
31 uint *p;
32
33 printf("Testing DRAM from 0x%08x to 0x%08x\n",
34 CONFIG_SYS_MEMTEST_START,
35 CONFIG_SYS_MEMTEST_END);
36
37 printf("DRAM test phase 1:\n");
38 for (p = pstart; p < pend; p++)
39 *p = 0xaaaaaaaa;
40
41 for (p = pstart; p < pend; p++) {
42 if (*p != 0xaaaaaaaa) {
43 printf("DRAM test fails at: %08x\n", (uint) p);
44 return 1;
45 }
46 }
47
48 printf("DRAM test phase 2:\n");
49 for (p = pstart; p < pend; p++)
50 *p = 0x55555555;
51
52 for (p = pstart; p < pend; p++) {
53 if (*p != 0x55555555) {
54 printf("DRAM test fails at: %08x\n", (uint) p);
55 return 1;
56 }
57 }
58
59 printf("DRAM test passed.\n");
60 return 0;
61}
62#endif
63
64#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
65void ddr_enable_ecc(unsigned int dram_size);
66#endif
67int fixed_sdram(void);
68
69int dram_init(void)
70{
71 immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
72 u32 msize = 0;
73
74 if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
75 return -ENXIO;
76
77#if defined(CONFIG_SPD_EEPROM)
78 msize = spd_sdram();
79#else
80 msize = fixed_sdram();
81#endif
82
83#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
84
85 ddr_enable_ecc(msize * 1024 * 1024);
86#endif
87
88 gd->ram_size = msize * 1024 * 1024;
89
90 return 0;
91}
92
93#if !defined(CONFIG_SPD_EEPROM)
94
95
96
97int fixed_sdram(void)
98{
99 immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
100 u32 msize = CFG_SYS_SDRAM_SIZE;
101 u32 msize_log2 = __ilog2(msize);
102
103 im->sysconf.ddrlaw[0].bar = CFG_SYS_SDRAM_BASE & 0xfffff000;
104 im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
105
106 im->sysconf.ddrcdr = CFG_SYS_DDRCDR_VALUE;
107 udelay(50000);
108
109 im->ddr.sdram_clk_cntl = CFG_SYS_DDR_SDRAM_CLK_CNTL;
110 udelay(1000);
111
112 im->ddr.csbnds[0].csbnds = CFG_SYS_DDR_CS0_BNDS;
113 im->ddr.cs_config[0] = CFG_SYS_DDR_CS0_CONFIG;
114 udelay(1000);
115
116 im->ddr.timing_cfg_0 = CFG_SYS_DDR_TIMING_0;
117 im->ddr.timing_cfg_1 = CFG_SYS_DDR_TIMING_1;
118 im->ddr.timing_cfg_2 = CFG_SYS_DDR_TIMING_2;
119 im->ddr.timing_cfg_3 = CFG_SYS_DDR_TIMING_3;
120 im->ddr.sdram_cfg = CFG_SYS_DDR_SDRAM_CFG;
121 im->ddr.sdram_cfg2 = CFG_SYS_DDR_SDRAM_CFG2;
122 im->ddr.sdram_mode = CFG_SYS_DDR_MODE;
123 im->ddr.sdram_mode2 = CFG_SYS_DDR_MODE2;
124 im->ddr.sdram_interval = CFG_SYS_DDR_INTERVAL;
125 sync();
126 udelay(1000);
127
128 im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
129 udelay(2000);
130 return CFG_SYS_SDRAM_SIZE >> 20;
131}
132#endif
133
134int checkboard(void)
135{
136 puts("Board: Freescale MPC837xERDB\n");
137 return 0;
138}
139
140int board_early_init_f(void)
141{
142 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
143#ifdef CONFIG_FSL_SERDES
144 u32 spridr = in_be32(&immr->sysconf.spridr);
145
146
147 switch (PARTID_NO_E(spridr)) {
148 case SPR_8377:
149 fsl_setup_serdes(CFG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
150 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
151 fsl_setup_serdes(CFG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
152 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
153 break;
154 case SPR_8378:
155 fsl_setup_serdes(CFG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
156 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
157 break;
158 case SPR_8379:
159 fsl_setup_serdes(CFG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
160 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
161 fsl_setup_serdes(CFG_FSL_SERDES2, FSL_SERDES_PROTO_SATA,
162 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
163 break;
164 default:
165 printf("serdes not configured: unknown CPU part number: "
166 "%04x\n", spridr >> 16);
167 break;
168 }
169#endif
170
171#ifdef CONFIG_FSL_ESDHC
172 clrsetbits_be32(&immr->sysconf.sicrl, SICRL_USB_B, SICRL_USB_B_SD);
173 clrsetbits_be32(&immr->sysconf.sicrh, SICRH_SPI, SICRH_SPI_SD);
174#endif
175 return 0;
176}
177
178#ifdef CONFIG_FSL_ESDHC
179#if !(CONFIG_IS_ENABLED(DM_MMC) || CONFIG_IS_ENABLED(DM_USB))
180int board_mmc_init(struct bd_info *bd)
181{
182 struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
183 char buffer[HWCONFIG_BUFFER_SIZE] = {0};
184 int esdhc_hwconfig_enabled = 0;
185
186 if (env_get_f("hwconfig", buffer, sizeof(buffer)) > 0)
187 esdhc_hwconfig_enabled = hwconfig_f("esdhc", buffer);
188
189 if (esdhc_hwconfig_enabled == 0)
190 return 0;
191
192 clrsetbits_be32(&im->sysconf.sicrl, SICRL_USB_B, SICRL_USB_B_SD);
193 clrsetbits_be32(&im->sysconf.sicrh, SICRH_SPI, SICRH_SPI_SD);
194
195 return fsl_esdhc_mmc_init(bd);
196}
197#endif
198#endif
199
200
201
202
203
204
205int misc_init_r(void)
206{
207 int rc = 0;
208
209#ifdef CFG_VSC7385_IMAGE
210 if (vsc7385_upload_firmware((void *) CFG_VSC7385_IMAGE,
211 CFG_VSC7385_IMAGE_SIZE)) {
212 puts("Failure uploading VSC7385 microcode.\n");
213 rc = 1;
214 }
215#endif
216
217 return rc;
218}
219
220int board_late_init(void)
221{
222 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
223#ifdef CONFIG_USB_HOST
224 clrsetbits_be32(&immap->sysconf.sicrl, SICRL_USB_A, 0x40000000);
225#endif
226 return 0;
227}
228
229#if defined(CONFIG_OF_BOARD_SETUP)
230
231int ft_board_setup(void *blob, struct bd_info *bd)
232{
233#ifdef CONFIG_PCI
234 ft_pci_setup(blob, bd);
235#endif
236 ft_cpu_setup(blob, bd);
237 fsl_fdt_fixup_dr_usb(blob, bd);
238 fdt_fixup_esdhc(blob, bd);
239
240 return 0;
241}
242#endif
243