1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) Freescale Semiconductor, Inc. 2006-2007
5 * Author: Scott Wood <scottwood@freescale.com>
8 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
12 #include <fdt_support.h>
14 #include <linux/delay.h>
15 #include <linux/libfdt.h>
21 #include <asm/bitops.h>
24 DECLARE_GLOBAL_DATA_PTR;
26 extern void disable_addr_trans (void);
27 extern void enable_addr_trans (void);
31 puts("Board: ve8313\n");
35 static long fixed_sdram(void)
37 u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
39 #ifndef CONFIG_SYS_RAMBOOT
40 volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
41 u32 msize_log2 = __ilog2(msize);
43 out_be32(&im->sysconf.ddrlaw[0].bar,
44 (CONFIG_SYS_SDRAM_BASE & 0xfffff000));
45 out_be32(&im->sysconf.ddrlaw[0].ar, (LBLAWAR_EN | (msize_log2 - 1)));
46 out_be32(&im->sysconf.ddrcdr, CONFIG_SYS_DDRCDR_VALUE);
49 * Erratum DDR3 requires a 50ms delay after clearing DDRCDR[DDR_cfg],
50 * or the DDR2 controller may fail to initialize correctly.
54 #if ((CONFIG_SYS_SDRAM_BASE & 0x00FFFFFF) != 0)
55 #warning Chip select bounds is only configurable in 16MB increments
57 out_be32(&im->ddr.csbnds[0].csbnds,
58 ((CONFIG_SYS_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) |
59 (((CONFIG_SYS_SDRAM_BASE + msize - 1) >> CSBNDS_EA_SHIFT) &
61 out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG);
63 /* Currently we use only one CS, so disable the other bank. */
64 out_be32(&im->ddr.cs_config[1], 0);
66 out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL);
67 out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
68 out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
69 out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
70 out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
72 out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_SDRAM_CFG);
74 out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_SDRAM_CFG2);
75 out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE);
76 out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE_2);
78 out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL);
81 /* enable DDR controller */
82 setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
84 /* now check the real size */
85 disable_addr_trans ();
86 msize = get_ram_size(CONFIG_SYS_SDRAM_BASE, msize);
95 volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
96 volatile fsl_lbc_t *lbc = &im->im_lbc;
99 if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
102 /* DDR SDRAM - Main SODIMM */
103 msize = fixed_sdram();
105 /* Local Bus setup lbcr and mrtpr */
106 out_be32(&lbc->lbcr, 0x00040000);
107 out_be32(&lbc->mrtpr, 0x20000000);
110 /* return total bus SDRAM size(bytes) -- DDR */
111 gd->ram_size = msize;
116 #define VE8313_WDT_EN 0x00020000
117 #define VE8313_WDT_TRIG 0x00040000
119 int board_early_init_f (void)
121 volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
122 volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)im->gpio;
124 #if defined(CONFIG_HW_WATCHDOG)
126 clrbits_be32(&gpio->dat, VE8313_WDT_EN | VE8313_WDT_TRIG);
129 setbits_be32(&gpio->dat, VE8313_WDT_EN | VE8313_WDT_TRIG);
131 /* set WDT pins as output */
132 setbits_be32(&gpio->dir, VE8313_WDT_EN | VE8313_WDT_TRIG);
137 #if defined(CONFIG_HW_WATCHDOG)
138 void hw_watchdog_reset(void)
140 volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
141 volatile gpio83xx_t *gpio = (volatile gpio83xx_t *)im->gpio;
144 reg = in_be32(&gpio->dat);
145 if (reg & VE8313_WDT_TRIG)
146 clrbits_be32(&gpio->dat, VE8313_WDT_TRIG);
148 setbits_be32(&gpio->dat, VE8313_WDT_TRIG);
153 #if defined(CONFIG_PCI)
154 static struct pci_region pci_regions[] = {
156 bus_start: CONFIG_SYS_PCI1_MEM_BASE,
157 phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
158 size: CONFIG_SYS_PCI1_MEM_SIZE,
159 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
162 bus_start: CONFIG_SYS_PCI1_MMIO_BASE,
163 phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
164 size: CONFIG_SYS_PCI1_MMIO_SIZE,
165 flags: PCI_REGION_MEM
168 bus_start: CONFIG_SYS_PCI1_IO_BASE,
169 phys_start: CONFIG_SYS_PCI1_IO_PHYS,
170 size: CONFIG_SYS_PCI1_IO_SIZE,
175 void pci_init_board(void)
177 volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
178 volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
179 volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
180 struct pci_region *reg[] = { pci_regions };
182 /* Enable all 3 PCI_CLK_OUTPUTs. */
183 setbits_be32(&clk->occr, 0xe0000000);
186 * Configure PCI Local Access Windows
188 out_be32(&pci_law[0].bar, CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR);
189 out_be32(&pci_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
191 out_be32(&pci_law[1].bar, CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR);
192 out_be32(&pci_law[1].ar, LBLAWAR_EN | LBLAWAR_1MB);
194 mpc83xx_pci_init(1, reg);
198 #if defined(CONFIG_OF_BOARD_SETUP)
199 int ft_board_setup(void *blob, bd_t *bd)
201 ft_cpu_setup(blob, bd);
203 ft_pci_setup(blob, bd);