2
* Copyright (C) Freescale Semiconductor, Inc. 2006-2007
4
* Author: Scott Wood <scottwood@freescale.com>
7
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
9
* SPDX-License-Identifier: GPL-2.0+
19
#include <asm/bitops.h>
22
DECLARE_GLOBAL_DATA_PTR;
24
extern void disable_addr_trans (void);
25
extern void enable_addr_trans (void);
29
puts("Board: ve8313\n");
33
static long fixed_sdram(void)
35
u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
37
#ifndef CONFIG_SYS_RAMBOOT
38
volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
39
u32 msize_log2 = __ilog2(msize);
41
out_be32(&im->sysconf.ddrlaw[0].bar,
42
(CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000));
43
out_be32(&im->sysconf.ddrlaw[0].ar, (LBLAWAR_EN | (msize_log2 - 1)));
44
out_be32(&im->sysconf.ddrcdr, CONFIG_SYS_DDRCDR_VALUE);
47
* Erratum DDR3 requires a 50ms delay after clearing DDRCDR[DDR_cfg],
48
* or the DDR2 controller may fail to initialize correctly.
52
#if ((CONFIG_SYS_DDR_SDRAM_BASE & 0x00FFFFFF) != 0)
53
#warning Chip select bounds is only configurable in 16MB increments
55
out_be32(&im->ddr.csbnds[0].csbnds,
56
((CONFIG_SYS_DDR_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) |
57
(((CONFIG_SYS_DDR_SDRAM_BASE + msize - 1) >> CSBNDS_EA_SHIFT) &
59
out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG);
61
/* Currently we use only one CS, so disable the other bank. */
62
out_be32(&im->ddr.cs_config[1], 0);
64
out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL);
65
out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
66
out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
67
out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
68
out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
70
out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_SDRAM_CFG);
72
out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_SDRAM_CFG2);
73
out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE);
74
out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE_2);
76
out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL);
79
/* enable DDR controller */
80
setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
82
/* now check the real size */
83
disable_addr_trans ();
84
msize = get_ram_size (CONFIG_SYS_DDR_BASE, msize);
91
phys_size_t initdram(int board_type)
93
volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
94
volatile fsl_lbc_t *lbc = &im->im_lbc;
97
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
100
/* DDR SDRAM - Main SODIMM */
101
msize = fixed_sdram();
103
/* Local Bus setup lbcr and mrtpr */
104
out_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR);
105
out_be32(&lbc->mrtpr, CONFIG_SYS_LBC_MRTPR);
108
/* return total bus SDRAM size(bytes) -- DDR */
112
#define VE8313_WDT_EN 0x00020000
113
#define VE8313_WDT_TRIG 0x00040000
115
int board_early_init_f (void)
117
volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
118
volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)im->gpio;
120
#if defined(CONFIG_HW_WATCHDOG)
122
clrbits_be32(&gpio->dat, VE8313_WDT_EN | VE8313_WDT_TRIG);
125
setbits_be32(&gpio->dat, VE8313_WDT_EN | VE8313_WDT_TRIG);
127
/* set WDT pins as output */
128
setbits_be32(&gpio->dir, VE8313_WDT_EN | VE8313_WDT_TRIG);
133
#if defined(CONFIG_HW_WATCHDOG)
134
void hw_watchdog_reset(void)
136
volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
137
volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)im->gpio;
140
reg = in_be32(&gpio->dat);
141
if (reg & VE8313_WDT_TRIG)
142
clrbits_be32(&gpio->dat, VE8313_WDT_TRIG);
144
setbits_be32(&gpio->dat, VE8313_WDT_TRIG);
149
#if defined(CONFIG_PCI)
150
static struct pci_region pci_regions[] = {
152
bus_start: CONFIG_SYS_PCI1_MEM_BASE,
153
phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
154
size: CONFIG_SYS_PCI1_MEM_SIZE,
155
flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
158
bus_start: CONFIG_SYS_PCI1_MMIO_BASE,
159
phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
160
size: CONFIG_SYS_PCI1_MMIO_SIZE,
161
flags: PCI_REGION_MEM
164
bus_start: CONFIG_SYS_PCI1_IO_BASE,
165
phys_start: CONFIG_SYS_PCI1_IO_PHYS,
166
size: CONFIG_SYS_PCI1_IO_SIZE,
171
void pci_init_board(void)
173
volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
174
volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
175
volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
176
struct pci_region *reg[] = { pci_regions };
178
/* Enable all 3 PCI_CLK_OUTPUTs. */
179
setbits_be32(&clk->occr, 0xe0000000);
182
* Configure PCI Local Access Windows
184
out_be32(&pci_law[0].bar, CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR);
185
out_be32(&pci_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
187
out_be32(&pci_law[1].bar, CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR);
188
out_be32(&pci_law[1].ar, LBLAWAR_EN | LBLAWAR_1MB);
190
mpc83xx_pci_init(1, reg);
194
#if defined(CONFIG_OF_BOARD_SETUP)
195
void ft_board_setup(void *blob, bd_t *bd)
197
ft_cpu_setup(blob, bd);
199
ft_pci_setup(blob, bd);