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Diffstat (limited to 'board/freescale/mpc8349emds/mpc8349emds.c')
-rw-r--r--board/freescale/mpc8349emds/mpc8349emds.c277
1 files changed, 0 insertions, 277 deletions
diff --git a/board/freescale/mpc8349emds/mpc8349emds.c b/board/freescale/mpc8349emds/mpc8349emds.c
deleted file mode 100644
index eff2481..0000000
--- a/board/freescale/mpc8349emds/mpc8349emds.c
+++ /dev/null
@@ -1,277 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2006
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- */
-
-#include <common.h>
-#include <fdt_support.h>
-#include <init.h>
-#include <ioports.h>
-#include <mpc83xx.h>
-#include <asm/bitops.h>
-#include <asm/global_data.h>
-#include <asm/mpc8349_pci.h>
-#include <i2c.h>
-#include <spi.h>
-#include <miiphy.h>
-#ifdef CONFIG_SYS_FSL_DDR2
-#include <fsl_ddr_sdram.h>
-#else
-#include <spd_sdram.h>
-#endif
-#include <linux/delay.h>
-
-#if defined(CONFIG_OF_LIBFDT)
-#include <linux/libfdt.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-int fixed_sdram(void);
-void sdram_init(void);
-
-#if defined(CONFIG_DDR_ECC) && defined(CONFIG_MPC83xx)
-void ddr_enable_ecc(unsigned int dram_size);
-#endif
-
-int board_early_init_f (void)
-{
- volatile u8* bcsr = (volatile u8*)CONFIG_SYS_BCSR;
-
- /* Enable flash write */
- bcsr[1] &= ~0x01;
-
-#ifdef CONFIG_SYS_USE_MPC834XSYS_USB_PHY
- /* Use USB PHY on SYS board */
- bcsr[5] |= 0x02;
-#endif
-
- return 0;
-}
-
-int dram_init(void)
-{
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- phys_size_t msize = 0;
-
- if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
- return -ENXIO;
-
- /* DDR SDRAM - Main SODIMM */
- im->sysconf.ddrlaw[0].bar = CONFIG_SYS_SDRAM_BASE & LAWBAR_BAR;
-#if defined(CONFIG_SPD_EEPROM)
-#ifndef CONFIG_SYS_FSL_DDR2
- msize = spd_sdram() * 1024 * 1024;
-#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
- ddr_enable_ecc(msize);
-#endif
-#else
- msize = fsl_ddr_sdram();
-#endif
-#else
- msize = fixed_sdram() * 1024 * 1024;
-#endif
- /*
- * Initialize SDRAM if it is on local bus.
- */
- sdram_init();
-
- /* set total bus SDRAM size(bytes) -- DDR */
- gd->ram_size = msize;
-
- return 0;
-}
-
-#if !defined(CONFIG_SPD_EEPROM)
-/*************************************************************************
- * fixed sdram init -- doesn't use serial presence detect.
- ************************************************************************/
-int fixed_sdram(void)
-{
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- u32 msize = CONFIG_SYS_DDR_SIZE;
- u32 ddr_size = msize << 20; /* DDR size in bytes */
- u32 ddr_size_log2 = __ilog2(ddr_size);
-
- im->sysconf.ddrlaw[0].bar = CONFIG_SYS_SDRAM_BASE & 0xfffff000;
- im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
-
-#if (CONFIG_SYS_DDR_SIZE != 256)
-#warning Currenly any ddr size other than 256 is not supported
-#endif
-#if ((CONFIG_SYS_SDRAM_BASE & 0x00FFFFFF) != 0)
-#warning Chip select bounds is only configurable in 16MB increments
-#endif
- im->ddr.csbnds[2].csbnds =
- ((CONFIG_SYS_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) |
- (((CONFIG_SYS_SDRAM_BASE + ddr_size - 1) >>
- CSBNDS_EA_SHIFT) & CSBNDS_EA);
- im->ddr.cs_config[2] = CONFIG_SYS_DDR_CS2_CONFIG;
-
- /* currently we use only one CS, so disable the other banks */
- im->ddr.cs_config[0] = 0;
- im->ddr.cs_config[1] = 0;
- im->ddr.cs_config[3] = 0;
-
- im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
- im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
-
- im->ddr.sdram_cfg =
- SDRAM_CFG_SREN
- | 2 << SDRAM_CFG_SDRAM_TYPE_SHIFT;
- im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
-
- im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
- udelay(200);
-
- /* enable DDR controller */
- im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
- return msize;
-}
-#endif/*!CONFIG_SYS_SPD_EEPROM*/
-
-
-int checkboard (void)
-{
- /*
- * Warning: do not read the BCSR registers here
- *
- * There is a timing bug in the 8349E and 8349EA BCSR code
- * version 1.2 (read from BCSR 11) that will cause the CFI
- * flash initialization code to overwrite BCSR 0, disabling
- * the serial ports and gigabit ethernet
- */
-
- puts("Board: Freescale MPC8349EMDS\n");
- return 0;
-}
-
-/*
- * if MPC8349EMDS is soldered with SDRAM
- */
-#if defined(CONFIG_SYS_BR2_PRELIM) \
- && defined(CONFIG_SYS_OR2_PRELIM) \
- && defined(CONFIG_SYS_LBLAWBAR2_PRELIM) \
- && defined(CONFIG_SYS_LBLAWAR2_PRELIM)
-/*
- * Initialize SDRAM memory on the Local Bus.
- */
-
-void sdram_init(void)
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile fsl_lbc_t *lbc = &immap->im_lbc;
- uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
- const u32 lsdmr_common = LSDMR_RFEN | LSDMR_BSMA1516 | LSDMR_RFCR8 |
- LSDMR_PRETOACT6 | LSDMR_ACTTORW3 | LSDMR_BL8 |
- LSDMR_WRC3 | LSDMR_CL3;
- /*
- * Setup SDRAM Base and Option Registers, already done in cpu_init.c
- */
-
- /* setup mtrpt, lsrt and lbcr for LB bus */
- lbc->lbcr = 0x00000000;
- /* LB refresh timer prescal, 266MHz/32 */
- lbc->mrtpr = 0x20000000;
- /* LB sdram refresh timer, about 6us */
- lbc->lsrt = 0x32000000;
- asm("sync");
-
- /*
- * Configure the SDRAM controller Machine Mode Register.
- */
-
- /* 0x40636733; normal operation */
- lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL;
-
- /* 0x68636733; precharge all the banks */
- lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL;
- asm("sync");
- *sdram_addr = 0xff;
- udelay(100);
-
- /* 0x48636733; auto refresh */
- lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH;
- asm("sync");
- /*1 times*/
- *sdram_addr = 0xff;
- udelay(100);
- /*2 times*/
- *sdram_addr = 0xff;
- udelay(100);
- /*3 times*/
- *sdram_addr = 0xff;
- udelay(100);
- /*4 times*/
- *sdram_addr = 0xff;
- udelay(100);
- /*5 times*/
- *sdram_addr = 0xff;
- udelay(100);
- /*6 times*/
- *sdram_addr = 0xff;
- udelay(100);
- /*7 times*/
- *sdram_addr = 0xff;
- udelay(100);
- /*8 times*/
- *sdram_addr = 0xff;
- udelay(100);
-
- /* 0x58636733; mode register write operation */
- lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW;
- asm("sync");
- *sdram_addr = 0xff;
- udelay(100);
-
- /* 0x40636733; normal operation */
- lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL;
- asm("sync");
- *sdram_addr = 0xff;
- udelay(100);
-}
-#else
-void sdram_init(void)
-{
-}
-#endif
-
-/*
- * The following are used to control the SPI chip selects for the SPI command.
- */
-#ifdef CONFIG_MPC8XXX_SPI
-
-#define SPI_CS_MASK 0x80000000
-
-int spi_cs_is_valid(unsigned int bus, unsigned int cs)
-{
- return bus == 0 && cs == 0;
-}
-
-void spi_cs_activate(struct spi_slave *slave)
-{
- volatile gpio83xx_t *iopd = &((immap_t *)CONFIG_SYS_IMMR)->gpio[0];
-
- iopd->dat &= ~SPI_CS_MASK;
-}
-
-void spi_cs_deactivate(struct spi_slave *slave)
-{
- volatile gpio83xx_t *iopd = &((immap_t *)CONFIG_SYS_IMMR)->gpio[0];
-
- iopd->dat |= SPI_CS_MASK;
-}
-#endif
-
-#if defined(CONFIG_OF_BOARD_SETUP)
-int ft_board_setup(void *blob, struct bd_info *bd)
-{
- ft_cpu_setup(blob, bd);
-#ifdef CONFIG_PCI
- ft_pci_setup(blob, bd);
-#endif
-
- return 0;
-}
-#endif
generated by cgit v1.1 at 2024-08-01 10:26:14 +0000