summaryrefslogtreecommitdiffstats
path: root/board/freescale/corenet_ds/corenet_ds.c
blob: 65b386741e166c9e0d0c56d69ef7a2a6ba853111 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
/*
 * Copyright 2009-2011 Freescale Semiconductor, Inc.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <command.h>
#include <netdev.h>
#include <linux/compiler.h>
#include <asm/mmu.h>
#include <asm/processor.h>
#include <asm/cache.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_law.h>
#include <asm/fsl_serdes.h>
#include <asm/fsl_portals.h>
#include <asm/fsl_liodn.h>
#include <fm_eth.h>

#include "../common/ngpixis.h"
#include "corenet_ds.h"

DECLARE_GLOBAL_DATA_PTR;

int checkboard (void)
{
	u8 sw;
	struct cpu_type *cpu = gd->arch.cpu;
#if defined(CONFIG_P3041DS) || defined(CONFIG_P5020DS) || \
	defined(CONFIG_P5040DS)
	unsigned int i;
#endif
	static const char * const freq[] = {"100", "125", "156.25", "212.5" };

	printf("Board: %sDS, ", cpu->name);
	printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
		in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver));

	sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH));
	sw = (sw & PIXIS_LBMAP_MASK) >> PIXIS_LBMAP_SHIFT;

	if (sw < 0x8)
		printf("vBank: %d\n", sw);
	else if (sw == 0x8)
		puts("Promjet\n");
	else if (sw == 0x9)
		puts("NAND\n");
	else
		printf("invalid setting of SW%u\n", PIXIS_LBMAP_SWITCH);

	/* Display the actual SERDES reference clocks as configured by the
	 * dip switches on the board.  Note that the SWx registers could
	 * technically be set to force the reference clocks to match the
	 * values that the SERDES expects (or vice versa).  For now, however,
	 * we just display both values and hope the user notices when they
	 * don't match.
	 */
	puts("SERDES Reference Clocks: ");
#if defined(CONFIG_P3041DS) || defined(CONFIG_P5020DS) \
	|| defined(CONFIG_P5040DS)
	sw = in_8(&PIXIS_SW(5));
	for (i = 0; i < 3; i++) {
		unsigned int clock = (sw >> (6 - (2 * i))) & 3;

		printf("Bank%u=%sMhz ", i+1, freq[clock]);
	}
#ifdef CONFIG_P5040DS
	/* On P5040DS, SW11[7:8] determines the Bank 4 frequency */
	sw = in_8(&PIXIS_SW(9));
	printf("Bank4=%sMhz ", freq[sw & 3]);
#endif
	puts("\n");
#else
	sw = in_8(&PIXIS_SW(3));
	/* SW3[2]: 0 = 100 Mhz, 1 = 125 MHz */
	/* SW3[3]: 0 = 125 Mhz, 1 = 156.25 MHz */
	/* SW3[4]: 0 = 125 Mhz, 1 = 156.25 MHz */
	printf("Bank1=%sMHz ", freq[!!(sw & 0x40)]);
	printf("Bank2=%sMHz ", freq[1 + !!(sw & 0x20)]);
	printf("Bank3=%sMHz\n", freq[1 + !!(sw & 0x10)]);
#endif

	return 0;
}

int board_early_init_f(void)
{
	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);

	/*
	 * P4080 DS board only uses the DDR1_MCK0/3 and DDR2_MCK0/3
	 * disable the DDR1_MCK1/2/4/5 and DDR2_MCK1/2/4/5 to reduce
	 * the noise introduced by these unterminated and unused clock pairs.
	 */
	setbits_be32(&gur->ddrclkdr, 0x001B001B);

	return 0;
}

int board_early_init_r(void)
{
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	int flash_esel = find_tlb_idx((void *)flashbase, 1);

	/*
	 * Remap Boot flash + PROMJET region to caching-inhibited
	 * so that flash can be erased properly.
	 */

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	if (flash_esel == -1) {
		/* very unlikely unless something is messed up */
		puts("Error: Could not find TLB for FLASH BASE\n");
		flash_esel = 2;	/* give our best effort to continue */
	} else {
		/* invalidate existing TLB entry for flash + promjet */
		disable_tlb(flash_esel);
	}

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,	/* tlb, epn, rpn */
			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,	/* perms, wimge */
			0, flash_esel, BOOKE_PAGESZ_256M, 1);	/* ts, esel, tsize, iprot */

	set_liodns();
#ifdef CONFIG_SYS_DPAA_QBMAN
	setup_portals();
#endif

	return 0;
}

#define NUM_SRDS_BANKS	3

int misc_init_r(void)
{
	serdes_corenet_t *srds_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
	u32 actual[NUM_SRDS_BANKS];
	unsigned int i;
	u8 sw;

#if defined(CONFIG_P3041DS) || defined(CONFIG_P5020DS) \
	|| defined(CONFIG_P5040DS)
	sw = in_8(&PIXIS_SW(5));
	for (i = 0; i < 3; i++) {
		unsigned int clock = (sw >> (6 - (2 * i))) & 3;
		switch (clock) {
		case 0:
			actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
			break;
		case 1:
			actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
			break;
		case 2:
			actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
			break;
		default:
			printf("Warning: SDREFCLK%u switch setting of '11' is "
			       "unsupported\n", i + 1);
			break;
		}
	}
#else
	/* Warn if the expected SERDES reference clocks don't match the
	 * actual reference clocks.  This needs to be done after calling
	 * p4080_erratum_serdes8(), since that function may modify the clocks.
	 */
	sw = in_8(&PIXIS_SW(3));
	actual[0] = (sw & 0x40) ?
		SRDS_PLLCR0_RFCK_SEL_125 : SRDS_PLLCR0_RFCK_SEL_100;
	actual[1] = (sw & 0x20) ?
		SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125;
	actual[2] = (sw & 0x10) ?
		SRDS_PLLCR0_RFCK_SEL_156_25 : SRDS_PLLCR0_RFCK_SEL_125;
#endif

	for (i = 0; i < NUM_SRDS_BANKS; i++) {
		u32 expected = srds_regs->bank[i].pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
		if (expected != actual[i]) {
			printf("Warning: SERDES bank %u expects reference clock"
			       " %sMHz, but actual is %sMHz\n", i + 1,
			       serdes_clock_to_string(expected),
			       serdes_clock_to_string(actual[i]));
		}
	}

	return 0;
}

void ft_board_setup(void *blob, bd_t *bd)
{
	phys_addr_t base;
	phys_size_t size;

	ft_cpu_setup(blob, bd);

	base = getenv_bootm_low();
	size = getenv_bootm_size();

	fdt_fixup_memory(blob, (u64)base, (u64)size);

#ifdef CONFIG_PCI
	pci_of_setup(blob, bd);
#endif

	fdt_fixup_liodn(blob);
	fdt_fixup_dr_usb(blob, bd);

#ifdef CONFIG_SYS_DPAA_FMAN
	fdt_fixup_fman_ethernet(blob);
	fdt_fixup_board_enet(blob);
#endif
}
OpenPOWER on IntegriCloud