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TsiChungLiew8ae158c2007-08-16 15:05:11 -05001/*
2 * (C) Copyright 2000-2003
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Alison Wang198cafb2012-03-26 21:49:08 +00005 * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
TsiChungLiew8ae158c2007-08-16 15:05:11 -05006 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
7 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02008 * SPDX-License-Identifier: GPL-2.0+
TsiChungLiew8ae158c2007-08-16 15:05:11 -05009 */
10
11#include <common.h>
12#include <pci.h>
13#include <asm/immap.h>
Alison Wang198cafb2012-03-26 21:49:08 +000014#include <asm/io.h>
TsiChungLiew8ae158c2007-08-16 15:05:11 -050015
16DECLARE_GLOBAL_DATA_PTR;
17
18int checkboard(void)
19{
20 puts("Board: ");
21 puts("Freescale M54455 EVB\n");
22 return 0;
23};
24
Simon Glassf1683aa2017-04-06 12:47:05 -060025int dram_init(void)
TsiChungLiew8ae158c2007-08-16 15:05:11 -050026{
TsiChung Liew9f751552008-07-23 20:38:53 -050027 u32 dramsize;
28#ifdef CONFIG_CF_SBF
29 /*
30 * Serial Boot: The dram is already initialized in start.S
31 * only require to return DRAM size
32 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020033 dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000 >> 1;
TsiChung Liew9f751552008-07-23 20:38:53 -050034#else
Alison Wang198cafb2012-03-26 21:49:08 +000035 sdramc_t *sdram = (sdramc_t *)(MMAP_SDRAM);
36 gpio_t *gpio = (gpio_t *)(MMAP_GPIO);
TsiChung Liew9f751552008-07-23 20:38:53 -050037 u32 i;
TsiChungLiew8ae158c2007-08-16 15:05:11 -050038
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020039 dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000 >> 1;
TsiChungLiew8ae158c2007-08-16 15:05:11 -050040
41 for (i = 0x13; i < 0x20; i++) {
42 if (dramsize == (1 << i))
43 break;
44 }
45 i--;
46
Alison Wang198cafb2012-03-26 21:49:08 +000047 out_8(&gpio->mscr_sdram, CONFIG_SYS_SDRAM_DRV_STRENGTH);
TsiChungLiew8ae158c2007-08-16 15:05:11 -050048
Alison Wang198cafb2012-03-26 21:49:08 +000049 out_be32(&sdram->sdcs0, CONFIG_SYS_SDRAM_BASE | i);
50 out_be32(&sdram->sdcs1, CONFIG_SYS_SDRAM_BASE1 | i);
TsiChungLiew8ae158c2007-08-16 15:05:11 -050051
Alison Wang198cafb2012-03-26 21:49:08 +000052 out_be32(&sdram->sdcfg1, CONFIG_SYS_SDRAM_CFG1);
53 out_be32(&sdram->sdcfg2, CONFIG_SYS_SDRAM_CFG2);
TsiChungLiew8ae158c2007-08-16 15:05:11 -050054
55 /* Issue PALL */
Alison Wang198cafb2012-03-26 21:49:08 +000056 out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2);
TsiChungLiew8ae158c2007-08-16 15:05:11 -050057
58 /* Issue LEMR */
Alison Wang198cafb2012-03-26 21:49:08 +000059 out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_EMOD | 0x408);
60 out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE | 0x300);
TsiChungLiew8ae158c2007-08-16 15:05:11 -050061
62 udelay(500);
63
64 /* Issue PALL */
Alison Wang198cafb2012-03-26 21:49:08 +000065 out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2);
TsiChungLiew8ae158c2007-08-16 15:05:11 -050066
67 /* Perform two refresh cycles */
Alison Wang198cafb2012-03-26 21:49:08 +000068 out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4);
69 out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4);
TsiChungLiew8ae158c2007-08-16 15:05:11 -050070
Alison Wang198cafb2012-03-26 21:49:08 +000071 out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE | 0x200);
TsiChungLiew8ae158c2007-08-16 15:05:11 -050072
Alison Wang198cafb2012-03-26 21:49:08 +000073 out_be32(&sdram->sdcr,
74 (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000c00);
TsiChungLiew8ae158c2007-08-16 15:05:11 -050075
76 udelay(100);
TsiChung Liew9f751552008-07-23 20:38:53 -050077#endif
Simon Glass088454c2017-03-31 08:40:25 -060078 gd->ram_size = dramsize << 1;
79
80 return 0;
TsiChungLiew8ae158c2007-08-16 15:05:11 -050081};
82
83int testdram(void)
84{
85 /* TODO: XXX XXX XXX */
86 printf("DRAM test not implemented!\n");
87
88 return (0);
89}
90
Simon Glassfc843a02017-05-17 03:25:30 -060091#if defined(CONFIG_IDE)
TsiChungLiew8ae158c2007-08-16 15:05:11 -050092#include <ata.h>
93
94int ide_preinit(void)
95{
Alison Wang198cafb2012-03-26 21:49:08 +000096 gpio_t *gpio = (gpio_t *) MMAP_GPIO;
97 u32 tmp;
TsiChungLiew8ae158c2007-08-16 15:05:11 -050098
Alison Wang198cafb2012-03-26 21:49:08 +000099 tmp = (in_8(&gpio->par_fec) & GPIO_PAR_FEC_FEC1_UNMASK) | 0x10;
100 setbits_8(&gpio->par_fec, tmp);
101 tmp = ((in_be16(&gpio->par_feci2c) & 0xf0ff) |
102 (GPIO_PAR_FECI2C_MDC1_ATA_DIOR | GPIO_PAR_FECI2C_MDIO1_ATA_DIOW));
103 setbits_be16(&gpio->par_feci2c, tmp);
104
105 setbits_be16(&gpio->par_ata,
106 GPIO_PAR_ATA_BUFEN | GPIO_PAR_ATA_CS1 | GPIO_PAR_ATA_CS0 |
107 GPIO_PAR_ATA_DA2 | GPIO_PAR_ATA_DA1 | GPIO_PAR_ATA_DA0 |
108 GPIO_PAR_ATA_RESET_RESET | GPIO_PAR_ATA_DMARQ_DMARQ |
109 GPIO_PAR_ATA_IORDY_IORDY);
110 setbits_be16(&gpio->par_pci,
111 GPIO_PAR_PCI_GNT3_ATA_DMACK | GPIO_PAR_PCI_REQ3_ATA_INTRQ);
TsiChungLiew8ae158c2007-08-16 15:05:11 -0500112
113 return (0);
114}
115
116void ide_set_reset(int idereset)
117{
Alison Wang198cafb2012-03-26 21:49:08 +0000118 atac_t *ata = (atac_t *) MMAP_ATA;
TsiChungLiew8ae158c2007-08-16 15:05:11 -0500119 long period;
120 /* t1, t2, t3, t4, t5, t6, t9, tRD, tA */
121 int piotms[5][9] = {
122 {70, 165, 60, 30, 50, 5, 20, 0, 35}, /* PIO 0 */
123 {50, 125, 45, 20, 35, 5, 15, 0, 35}, /* PIO 1 */
124 {30, 100, 30, 15, 20, 5, 10, 0, 35}, /* PIO 2 */
125 {30, 80, 30, 10, 20, 5, 10, 0, 35}, /* PIO 3 */
126 {25, 70, 20, 10, 20, 5, 10, 0, 35}
127 }; /* PIO 4 */
128
129 if (idereset) {
Alison Wang198cafb2012-03-26 21:49:08 +0000130 /* control reset */
131 out_8(&ata->cr, 0);
TsiChungLiew8ae158c2007-08-16 15:05:11 -0500132 udelay(10000);
133 } else {
134#define CALC_TIMING(t) (t + period - 1) / period
135 period = 1000000000 / gd->bus_clk; /* period in ns */
136
137 /*ata->ton = CALC_TIMING (180); */
Alison Wang198cafb2012-03-26 21:49:08 +0000138 out_8(&ata->t1, CALC_TIMING(piotms[2][0]));
139 out_8(&ata->t2w, CALC_TIMING(piotms[2][1]));
140 out_8(&ata->t2r, CALC_TIMING(piotms[2][1]));
141 out_8(&ata->ta, CALC_TIMING(piotms[2][8]));
142 out_8(&ata->trd, CALC_TIMING(piotms[2][7]));
143 out_8(&ata->t4, CALC_TIMING(piotms[2][3]));
144 out_8(&ata->t9, CALC_TIMING(piotms[2][6]));
TsiChungLiew8ae158c2007-08-16 15:05:11 -0500145
Alison Wang198cafb2012-03-26 21:49:08 +0000146 /* IORDY enable */
147 out_8(&ata->cr, 0x40);
TsiChungLiew8ae158c2007-08-16 15:05:11 -0500148 udelay(200000);
Alison Wang198cafb2012-03-26 21:49:08 +0000149 /* IORDY enable */
150 setbits_8(&ata->cr, 0x01);
TsiChungLiew8ae158c2007-08-16 15:05:11 -0500151 }
152}
153#endif
154
155#if defined(CONFIG_PCI)
156/*
157 * Initialize PCI devices, report devices found.
158 */
159static struct pci_controller hose;
160extern void pci_mcf5445x_init(struct pci_controller *hose);
161
162void pci_init_board(void)
163{
164 pci_mcf5445x_init(&hose);
165}
166#endif /* CONFIG_PCI */
TsiChung Liewb2d022d2008-07-23 17:37:10 -0500167
TsiChung Liewf78ced32008-08-19 00:26:25 +0600168#if defined(CONFIG_FLASH_CFI_LEGACY)
TsiChung Liewb2d022d2008-07-23 17:37:10 -0500169#include <flash.h>
170ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
171{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200172 int sect[] = CONFIG_SYS_ATMEL_SECT;
173 int sectsz[] = CONFIG_SYS_ATMEL_SECTSZ;
TsiChung Liewb2d022d2008-07-23 17:37:10 -0500174 int i, j, k;
175
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200176 if (base != CONFIG_SYS_ATMEL_BASE)
TsiChung Liewb2d022d2008-07-23 17:37:10 -0500177 return 0;
178
179 info->flash_id = 0x01000000;
180 info->portwidth = 1;
181 info->chipwidth = 1;
TsiChung Liew9d3a86a2010-03-16 12:39:36 -0500182 info->buffer_size = 1;
TsiChung Liewb2d022d2008-07-23 17:37:10 -0500183 info->erase_blk_tout = 16384;
184 info->write_tout = 2;
185 info->buffer_write_tout = 5;
TsiChung Liewf78ced32008-08-19 00:26:25 +0600186 info->vendor = 0xFFF0; /* CFI_CMDSET_AMD_LEGACY */
TsiChung Liewb2d022d2008-07-23 17:37:10 -0500187 info->cmd_reset = 0x00F0;
188 info->interface = FLASH_CFI_X8;
189 info->legacy_unlock = 0;
190 info->manufacturer_id = (u16) ATM_MANUFACT;
191 info->device_id = ATM_ID_LV040;
192 info->device_id2 = 0;
193
194 info->ext_addr = 0;
195 info->cfi_version = 0x3133;
TsiChung Liewf78ced32008-08-19 00:26:25 +0600196 info->cfi_offset = 0x0000;
TsiChung Liewb2d022d2008-07-23 17:37:10 -0500197 info->addr_unlock1 = 0x00000555;
198 info->addr_unlock2 = 0x000002AA;
199 info->name = "CFI conformant";
200
TsiChung Liewb2d022d2008-07-23 17:37:10 -0500201 info->size = 0;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200202 info->sector_count = CONFIG_SYS_ATMEL_TOTALSECT;
TsiChung Liewb2d022d2008-07-23 17:37:10 -0500203 info->start[0] = base;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200204 for (k = 0, i = 0; i < CONFIG_SYS_ATMEL_REGION; i++) {
TsiChung Liewb2d022d2008-07-23 17:37:10 -0500205 info->size += sect[i] * sectsz[i];
206
207 for (j = 0; j < sect[i]; j++, k++) {
208 info->start[k + 1] = info->start[k] + sectsz[i];
209 info->protect[k] = 0;
210 }
211 }
212
213 return 1;
214}
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200215#endif /* CONFIG_SYS_FLASH_CFI */