mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-20 17:08:52 +09:00
![Simon Glass](/assets/img/avatar_default.png)
This function can be dropped when all boards use driver model for PCI. For now, move it into init.h with a comment. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
266 lines
5.8 KiB
C
266 lines
5.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2007 Wind River Systemes, Inc. <www.windriver.com>
|
|
* Copyright 2007 Embedded Specialties, Inc.
|
|
* Joe Hamman joe.hamman@embeddedspecialties.com
|
|
*
|
|
* Copyright 2004 Freescale Semiconductor.
|
|
* Jeff Brown
|
|
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
|
|
*
|
|
* (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <init.h>
|
|
#include <pci.h>
|
|
#include <asm/processor.h>
|
|
#include <asm/immap_86xx.h>
|
|
#include <asm/fsl_pci.h>
|
|
#include <fsl_ddr_sdram.h>
|
|
#include <asm/fsl_serdes.h>
|
|
#include <linux/libfdt.h>
|
|
#include <fdt_support.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
long int fixed_sdram (void);
|
|
|
|
int board_early_init_f (void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int checkboard (void)
|
|
{
|
|
puts ("Board: Wind River SBC8641D\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dram_init(void)
|
|
{
|
|
long dram_size = 0;
|
|
|
|
#if defined(CONFIG_SPD_EEPROM)
|
|
dram_size = fsl_ddr_sdram();
|
|
#else
|
|
dram_size = fixed_sdram ();
|
|
#endif
|
|
|
|
debug (" DDR: ");
|
|
gd->ram_size = dram_size;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_SYS_DRAM_TEST)
|
|
int testdram (void)
|
|
{
|
|
uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
|
|
uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
|
|
uint *p;
|
|
|
|
puts ("SDRAM test phase 1:\n");
|
|
for (p = pstart; p < pend; p++)
|
|
*p = 0xaaaaaaaa;
|
|
|
|
for (p = pstart; p < pend; p++) {
|
|
if (*p != 0xaaaaaaaa) {
|
|
printf ("SDRAM test fails at: %08x\n", (uint) p);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
puts ("SDRAM test phase 2:\n");
|
|
for (p = pstart; p < pend; p++)
|
|
*p = 0x55555555;
|
|
|
|
for (p = pstart; p < pend; p++) {
|
|
if (*p != 0x55555555) {
|
|
printf ("SDRAM test fails at: %08x\n", (uint) p);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
puts ("SDRAM test passed.\n");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#if !defined(CONFIG_SPD_EEPROM)
|
|
/*
|
|
* Fixed sdram init -- doesn't use serial presence detect.
|
|
*/
|
|
long int fixed_sdram (void)
|
|
{
|
|
#if !defined(CONFIG_SYS_RAMBOOT)
|
|
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
|
|
volatile struct ccsr_ddr *ddr = &immap->im_ddr1;
|
|
|
|
ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
|
|
ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS;
|
|
ddr->cs2_bnds = CONFIG_SYS_DDR_CS2_BNDS;
|
|
ddr->cs3_bnds = CONFIG_SYS_DDR_CS3_BNDS;
|
|
ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
|
|
ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG;
|
|
ddr->cs2_config = CONFIG_SYS_DDR_CS2_CONFIG;
|
|
ddr->cs3_config = CONFIG_SYS_DDR_CS3_CONFIG;
|
|
ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
|
|
ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
|
|
ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
|
|
ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
|
|
ddr->sdram_cfg = CONFIG_SYS_DDR_CFG_1A;
|
|
ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CFG_2;
|
|
ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
|
|
ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
|
|
ddr->sdram_md_cntl = CONFIG_SYS_DDR_MODE_CTL;
|
|
ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
|
|
ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
|
|
ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
|
|
|
|
asm ("sync;isync");
|
|
|
|
udelay (500);
|
|
|
|
ddr->sdram_cfg = CONFIG_SYS_DDR_CFG_1B;
|
|
asm ("sync; isync");
|
|
|
|
udelay (500);
|
|
ddr = &immap->im_ddr2;
|
|
|
|
ddr->cs0_bnds = CONFIG_SYS_DDR2_CS0_BNDS;
|
|
ddr->cs1_bnds = CONFIG_SYS_DDR2_CS1_BNDS;
|
|
ddr->cs2_bnds = CONFIG_SYS_DDR2_CS2_BNDS;
|
|
ddr->cs3_bnds = CONFIG_SYS_DDR2_CS3_BNDS;
|
|
ddr->cs0_config = CONFIG_SYS_DDR2_CS0_CONFIG;
|
|
ddr->cs1_config = CONFIG_SYS_DDR2_CS1_CONFIG;
|
|
ddr->cs2_config = CONFIG_SYS_DDR2_CS2_CONFIG;
|
|
ddr->cs3_config = CONFIG_SYS_DDR2_CS3_CONFIG;
|
|
ddr->timing_cfg_3 = CONFIG_SYS_DDR2_EXT_REFRESH;
|
|
ddr->timing_cfg_0 = CONFIG_SYS_DDR2_TIMING_0;
|
|
ddr->timing_cfg_1 = CONFIG_SYS_DDR2_TIMING_1;
|
|
ddr->timing_cfg_2 = CONFIG_SYS_DDR2_TIMING_2;
|
|
ddr->sdram_cfg = CONFIG_SYS_DDR2_CFG_1A;
|
|
ddr->sdram_cfg_2 = CONFIG_SYS_DDR2_CFG_2;
|
|
ddr->sdram_mode = CONFIG_SYS_DDR2_MODE_1;
|
|
ddr->sdram_mode_2 = CONFIG_SYS_DDR2_MODE_2;
|
|
ddr->sdram_md_cntl = CONFIG_SYS_DDR2_MODE_CTL;
|
|
ddr->sdram_interval = CONFIG_SYS_DDR2_INTERVAL;
|
|
ddr->sdram_data_init = CONFIG_SYS_DDR2_DATA_INIT;
|
|
ddr->sdram_clk_cntl = CONFIG_SYS_DDR2_CLK_CTRL;
|
|
|
|
asm ("sync;isync");
|
|
|
|
udelay (500);
|
|
|
|
ddr->sdram_cfg = CONFIG_SYS_DDR2_CFG_1B;
|
|
asm ("sync; isync");
|
|
|
|
udelay (500);
|
|
#endif
|
|
return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
|
|
}
|
|
#endif /* !defined(CONFIG_SPD_EEPROM) */
|
|
|
|
#if defined(CONFIG_PCI)
|
|
/*
|
|
* Initialize PCI Devices, report devices found.
|
|
*/
|
|
|
|
void pci_init_board(void)
|
|
{
|
|
fsl_pcie_init_board(0);
|
|
}
|
|
#endif /* CONFIG_PCI */
|
|
|
|
|
|
#if defined(CONFIG_OF_BOARD_SETUP)
|
|
int ft_board_setup(void *blob, bd_t *bd)
|
|
{
|
|
ft_cpu_setup(blob, bd);
|
|
|
|
FT_FSL_PCI_SETUP;
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
void sbc8641d_reset_board (void)
|
|
{
|
|
puts ("Resetting board....\n");
|
|
}
|
|
|
|
/*
|
|
* get_board_sys_clk
|
|
* Clock is fixed at 1GHz on this board. Used for CONFIG_SYS_CLK_FREQ
|
|
*/
|
|
|
|
unsigned long get_board_sys_clk (ulong dummy)
|
|
{
|
|
int i;
|
|
ulong val = 0;
|
|
|
|
i = 5;
|
|
i &= 0x07;
|
|
|
|
switch (i) {
|
|
case 0:
|
|
val = 33000000;
|
|
break;
|
|
case 1:
|
|
val = 40000000;
|
|
break;
|
|
case 2:
|
|
val = 50000000;
|
|
break;
|
|
case 3:
|
|
val = 66000000;
|
|
break;
|
|
case 4:
|
|
val = 83000000;
|
|
break;
|
|
case 5:
|
|
val = 100000000;
|
|
break;
|
|
case 6:
|
|
val = 134000000;
|
|
break;
|
|
case 7:
|
|
val = 166000000;
|
|
break;
|
|
}
|
|
|
|
return val;
|
|
}
|
|
|
|
void board_reset(void)
|
|
{
|
|
#ifdef CONFIG_SYS_RESET_ADDRESS
|
|
ulong addr = CONFIG_SYS_RESET_ADDRESS;
|
|
|
|
/* flush and disable I/D cache */
|
|
__asm__ __volatile__ ("mfspr 3, 1008" ::: "r3");
|
|
__asm__ __volatile__ ("ori 5, 5, 0xcc00" ::: "r5");
|
|
__asm__ __volatile__ ("ori 4, 3, 0xc00" ::: "r4");
|
|
__asm__ __volatile__ ("andc 5, 3, 5" ::: "r5");
|
|
__asm__ __volatile__ ("sync");
|
|
__asm__ __volatile__ ("mtspr 1008, 4");
|
|
__asm__ __volatile__ ("isync");
|
|
__asm__ __volatile__ ("sync");
|
|
__asm__ __volatile__ ("mtspr 1008, 5");
|
|
__asm__ __volatile__ ("isync");
|
|
__asm__ __volatile__ ("sync");
|
|
|
|
/*
|
|
* SRR0 has system reset vector, SRR1 has default MSR value
|
|
* rfi restores MSR from SRR1 and sets the PC to the SRR0 value
|
|
*/
|
|
__asm__ __volatile__ ("mtspr 26, %0" :: "r" (addr));
|
|
__asm__ __volatile__ ("li 4, (1 << 6)" ::: "r4");
|
|
__asm__ __volatile__ ("mtspr 27, 4");
|
|
__asm__ __volatile__ ("rfi");
|
|
#endif
|
|
}
|