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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/sbc8349/sbc8349.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/sbc8349/sbc8349.c')
-rw-r--r--qemu/roms/u-boot/board/sbc8349/sbc8349.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/sbc8349/sbc8349.c b/qemu/roms/u-boot/board/sbc8349/sbc8349.c
new file mode 100644
index 000000000..89da47ed1
--- /dev/null
+++ b/qemu/roms/u-boot/board/sbc8349/sbc8349.c
@@ -0,0 +1,224 @@
+/*
+ * sbc8349.c -- WindRiver SBC8349 board support.
+ * Copyright (c) 2006-2007 Wind River Systems, Inc.
+ *
+ * Paul Gortmaker <paul.gortmaker@windriver.com>
+ * Based on board/mpc8349emds/mpc8349emds.c (and previous 834x releases.)
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <ioports.h>
+#include <mpc83xx.h>
+#include <asm/mpc8349_pci.h>
+#include <i2c.h>
+#include <spd_sdram.h>
+#include <miiphy.h>
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#endif
+
+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
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f (void)
+{
+ return 0;
+}
+#endif
+
+#define ns2clk(ns) (ns / (1000000000 / CONFIG_8349_CLKIN) + 1)
+
+phys_size_t initdram (int board_type)
+{
+ volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
+ u32 msize = 0;
+
+ if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
+ return -1;
+
+ /* DDR SDRAM - Main SODIMM */
+ im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR;
+#if defined(CONFIG_SPD_EEPROM)
+ msize = spd_sdram();
+#else
+ msize = fixed_sdram();
+#endif
+ /*
+ * Initialize SDRAM if it is on local bus.
+ */
+ sdram_init();
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ /*
+ * Initialize and enable DDR ECC.
+ */
+ ddr_enable_ecc(msize * 1024 * 1024);
+#endif
+ /* return total bus SDRAM size(bytes) -- DDR */
+ return (msize * 1024 * 1024);
+}
+
+#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(msize);
+
+ im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
+ im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
+
+#if (CONFIG_SYS_DDR_SIZE != 256)
+#warning Currently any ddr size other than 256 is not supported
+#endif
+
+#if ((CONFIG_SYS_DDR_SDRAM_BASE & 0x00FFFFFF) != 0)
+#warning Chip select bounds is only configurable in 16MB increments
+#endif
+ im->ddr.csbnds[2].csbnds =
+ ((CONFIG_SYS_DDR_SDRAM_BASE >> CSBNDS_SA_SHIFT) & CSBNDS_SA) |
+ (((CONFIG_SYS_DDR_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
+#if defined(CONFIG_DDR_2T_TIMING)
+ | SDRAM_CFG_2T_EN
+#endif
+ | SDRAM_CFG_SDRAM_TYPE_DDR1;
+#if defined (CONFIG_DDR_32BIT)
+ /* for 32-bit mode burst length is 8 */
+ im->ddr.sdram_cfg |= (SDRAM_CFG_32_BE | SDRAM_CFG_8_BE);
+#endif
+ 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)
+{
+ puts("Board: Wind River SBC834x\n");
+ return 0;
+}
+
+/*
+ * if board is fitted 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;
+
+ puts("\n SDRAM on Local Bus: ");
+ print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
+
+ /*
+ * Setup SDRAM Base and Option Registers, already done in cpu_init.c
+ */
+
+ /* setup mtrpt, lsrt and lbcr for LB bus */
+ lbc->lbcr = CONFIG_SYS_LBC_LBCR;
+ lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
+ lbc->lsrt = CONFIG_SYS_LBC_LSRT;
+ asm("sync");
+
+ /*
+ * Configure the SDRAM controller Machine Mode Register.
+ */
+ lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5; /* 0x40636733; normal operation */
+
+ lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_1; /* 0x68636733; precharge all the banks */
+ asm("sync");
+ *sdram_addr = 0xff;
+ udelay(100);
+
+ lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_2; /* 0x48636733; auto refresh */
+ 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 = CONFIG_SYS_LBC_LSDMR_4;
+ asm("sync");
+ *sdram_addr = 0xff;
+ udelay(100);
+
+ lbc->lsdmr = CONFIG_SYS_LBC_LSDMR_5; /* 0x40636733; normal operation */
+ asm("sync");
+ *sdram_addr = 0xff;
+ udelay(100);
+}
+#else
+void sdram_init(void)
+{
+ puts(" SDRAM on Local Bus: Disabled in config\n");
+}
+#endif
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ ft_cpu_setup(blob, bd);
+#ifdef CONFIG_PCI
+ ft_pci_setup(blob, bd);
+#endif
+}
+#endif