summaryrefslogtreecommitdiff
path: root/board/freescale/mpc8360emds/mpc8360emds.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/freescale/mpc8360emds/mpc8360emds.c')
-rw-r--r--board/freescale/mpc8360emds/mpc8360emds.c313
1 files changed, 313 insertions, 0 deletions
diff --git a/board/freescale/mpc8360emds/mpc8360emds.c b/board/freescale/mpc8360emds/mpc8360emds.c
new file mode 100644
index 0000000000..e050cd4395
--- /dev/null
+++ b/board/freescale/mpc8360emds/mpc8360emds.c
@@ -0,0 +1,313 @@
+/*
+ * Copyright (C) 2006 Freescale Semiconductor, Inc.
+ * Dave Liu <daveliu@freescale.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <common.h>
+#include <ioports.h>
+#include <mpc83xx.h>
+#include <i2c.h>
+#include <spd.h>
+#include <miiphy.h>
+#if defined(CONFIG_PCI)
+#include <pci.h>
+#endif
+#if defined(CONFIG_SPD_EEPROM)
+#include <spd_sdram.h>
+#else
+#include <asm/mmu.h>
+#endif
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+#elif defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#endif
+#if defined(CONFIG_PQ_MDS_PIB)
+#include "../common/pq-mds-pib.h"
+#endif
+
+const qe_iop_conf_t qe_iop_conf_tab[] = {
+ /* GETH1 */
+ {0, 3, 1, 0, 1}, /* TxD0 */
+ {0, 4, 1, 0, 1}, /* TxD1 */
+ {0, 5, 1, 0, 1}, /* TxD2 */
+ {0, 6, 1, 0, 1}, /* TxD3 */
+ {1, 6, 1, 0, 3}, /* TxD4 */
+ {1, 7, 1, 0, 1}, /* TxD5 */
+ {1, 9, 1, 0, 2}, /* TxD6 */
+ {1, 10, 1, 0, 2}, /* TxD7 */
+ {0, 9, 2, 0, 1}, /* RxD0 */
+ {0, 10, 2, 0, 1}, /* RxD1 */
+ {0, 11, 2, 0, 1}, /* RxD2 */
+ {0, 12, 2, 0, 1}, /* RxD3 */
+ {0, 13, 2, 0, 1}, /* RxD4 */
+ {1, 1, 2, 0, 2}, /* RxD5 */
+ {1, 0, 2, 0, 2}, /* RxD6 */
+ {1, 4, 2, 0, 2}, /* RxD7 */
+ {0, 7, 1, 0, 1}, /* TX_EN */
+ {0, 8, 1, 0, 1}, /* TX_ER */
+ {0, 15, 2, 0, 1}, /* RX_DV */
+ {0, 16, 2, 0, 1}, /* RX_ER */
+ {0, 0, 2, 0, 1}, /* RX_CLK */
+ {2, 9, 1, 0, 3}, /* GTX_CLK - CLK10 */
+ {2, 8, 2, 0, 1}, /* GTX125 - CLK9 */
+ /* GETH2 */
+ {0, 17, 1, 0, 1}, /* TxD0 */
+ {0, 18, 1, 0, 1}, /* TxD1 */
+ {0, 19, 1, 0, 1}, /* TxD2 */
+ {0, 20, 1, 0, 1}, /* TxD3 */
+ {1, 2, 1, 0, 1}, /* TxD4 */
+ {1, 3, 1, 0, 2}, /* TxD5 */
+ {1, 5, 1, 0, 3}, /* TxD6 */
+ {1, 8, 1, 0, 3}, /* TxD7 */
+ {0, 23, 2, 0, 1}, /* RxD0 */
+ {0, 24, 2, 0, 1}, /* RxD1 */
+ {0, 25, 2, 0, 1}, /* RxD2 */
+ {0, 26, 2, 0, 1}, /* RxD3 */
+ {0, 27, 2, 0, 1}, /* RxD4 */
+ {1, 12, 2, 0, 2}, /* RxD5 */
+ {1, 13, 2, 0, 3}, /* RxD6 */
+ {1, 11, 2, 0, 2}, /* RxD7 */
+ {0, 21, 1, 0, 1}, /* TX_EN */
+ {0, 22, 1, 0, 1}, /* TX_ER */
+ {0, 29, 2, 0, 1}, /* RX_DV */
+ {0, 30, 2, 0, 1}, /* RX_ER */
+ {0, 31, 2, 0, 1}, /* RX_CLK */
+ {2, 2, 1, 0, 2}, /* GTX_CLK = CLK10 */
+ {2, 3, 2, 0, 1}, /* GTX125 - CLK4 */
+
+ {0, 1, 3, 0, 2}, /* MDIO */
+ {0, 2, 1, 0, 1}, /* MDC */
+
+ {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */
+};
+
+int board_early_init_f(void)
+{
+
+ u8 *bcsr = (u8 *)CFG_BCSR;
+ const immap_t *immr = (immap_t *)CFG_IMMR;
+
+ /* Enable flash write */
+ bcsr[0xa] &= ~0x04;
+
+ /* Disable G1TXCLK, G2TXCLK h/w buffers (rev.2 h/w bug workaround) */
+ if (immr->sysconf.spridr == SPR_8360_REV20 ||
+ immr->sysconf.spridr == SPR_8360E_REV20 ||
+ immr->sysconf.spridr == SPR_8360_REV21 ||
+ immr->sysconf.spridr == SPR_8360E_REV21)
+ bcsr[0xe] = 0x30;
+
+ return 0;
+}
+
+int board_early_init_r(void)
+{
+#ifdef CONFIG_PQ_MDS_PIB
+ pib_init();
+#endif
+ return 0;
+}
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
+extern void ddr_enable_ecc(unsigned int dram_size);
+#endif
+int fixed_sdram(void);
+void sdram_init(void);
+
+long int initdram(int board_type)
+{
+ volatile immap_t *im = (immap_t *) CFG_IMMR;
+ u32 msize = 0;
+
+ if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
+ return -1;
+
+ /* DDR SDRAM - Main SODIMM */
+ im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;
+#if defined(CONFIG_SPD_EEPROM)
+ msize = spd_sdram();
+#else
+ msize = fixed_sdram();
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC)
+ /*
+ * Initialize DDR ECC byte
+ */
+ ddr_enable_ecc(msize * 1024 * 1024);
+#endif
+ /*
+ * Initialize SDRAM if it is on local bus.
+ */
+ sdram_init();
+
+ /* 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 *) CFG_IMMR;
+ u32 msize = 0;
+ u32 ddr_size;
+ u32 ddr_size_log2;
+
+ msize = CFG_DDR_SIZE;
+ for (ddr_size = msize << 20, ddr_size_log2 = 0;
+ (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) {
+ if (ddr_size & 1) {
+ return -1;
+ }
+ }
+ im->sysconf.ddrlaw[0].ar =
+ LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
+#if (CFG_DDR_SIZE != 256)
+#warning Currenly any ddr size other than 256 is not supported
+#endif
+#ifdef CONFIG_DDR_II
+ im->ddr.csbnds[0].csbnds = CFG_DDR_CS0_BNDS;
+ im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG;
+ im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0;
+ im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
+ im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
+ im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3;
+ im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG;
+ im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2;
+ im->ddr.sdram_mode = CFG_DDR_MODE;
+ im->ddr.sdram_mode2 = CFG_DDR_MODE2;
+ im->ddr.sdram_interval = CFG_DDR_INTERVAL;
+ im->ddr.sdram_clk_cntl = CFG_DDR_CLK_CNTL;
+#else
+ im->ddr.csbnds[0].csbnds = 0x00000007;
+ im->ddr.csbnds[1].csbnds = 0x0008000f;
+
+ im->ddr.cs_config[0] = CFG_DDR_CONFIG;
+ im->ddr.cs_config[1] = CFG_DDR_CONFIG;
+
+ im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
+ im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
+ im->ddr.sdram_cfg = CFG_DDR_CONTROL;
+
+ im->ddr.sdram_mode = CFG_DDR_MODE;
+ im->ddr.sdram_interval = CFG_DDR_INTERVAL;
+#endif
+ udelay(200);
+ im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
+
+ return msize;
+}
+#endif /*!CFG_SPD_EEPROM */
+
+int checkboard(void)
+{
+ puts("Board: Freescale MPC8360EMDS\n");
+ return 0;
+}
+
+/*
+ * if MPC8360EMDS is soldered with SDRAM
+ */
+#if defined(CFG_BR2_PRELIM) \
+ && defined(CFG_OR2_PRELIM) \
+ && defined(CFG_LBLAWBAR2_PRELIM) \
+ && defined(CFG_LBLAWAR2_PRELIM)
+/*
+ * Initialize SDRAM memory on the Local Bus.
+ */
+
+void sdram_init(void)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile lbus83xx_t *lbc = &immap->lbus;
+ uint *sdram_addr = (uint *) CFG_LBC_SDRAM_BASE;
+
+ /*
+ * Setup SDRAM Base and Option Registers, already done in cpu_init.c
+ */
+ /*setup mtrpt, lsrt and lbcr for LB bus */
+ lbc->lbcr = CFG_LBC_LBCR;
+ lbc->mrtpr = CFG_LBC_MRTPR;
+ lbc->lsrt = CFG_LBC_LSRT;
+ asm("sync");
+
+ /*
+ * Configure the SDRAM controller Machine Mode Register.
+ */
+ lbc->lsdmr = CFG_LBC_LSDMR_5; /* Normal Operation */
+ lbc->lsdmr = CFG_LBC_LSDMR_1; /* Precharge All Banks */
+ asm("sync");
+ *sdram_addr = 0xff;
+ udelay(100);
+
+ /*
+ * We need do 8 times auto refresh operation.
+ */
+ lbc->lsdmr = CFG_LBC_LSDMR_2;
+ asm("sync");
+ *sdram_addr = 0xff; /* 1 times */
+ udelay(100);
+ *sdram_addr = 0xff; /* 2 times */
+ udelay(100);
+ *sdram_addr = 0xff; /* 3 times */
+ udelay(100);
+ *sdram_addr = 0xff; /* 4 times */
+ udelay(100);
+ *sdram_addr = 0xff; /* 5 times */
+ udelay(100);
+ *sdram_addr = 0xff; /* 6 times */
+ udelay(100);
+ *sdram_addr = 0xff; /* 7 times */
+ udelay(100);
+ *sdram_addr = 0xff; /* 8 times */
+ udelay(100);
+
+ /* Mode register write operation */
+ lbc->lsdmr = CFG_LBC_LSDMR_4;
+ asm("sync");
+ *(sdram_addr + 0xcc) = 0xff;
+ udelay(100);
+
+ /* Normal operation */
+ lbc->lsdmr = CFG_LBC_LSDMR_5 | 0x40000000;
+ asm("sync");
+ *sdram_addr = 0xff;
+ udelay(100);
+}
+#else
+void sdram_init(void)
+{
+}
+#endif
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+#if defined(CONFIG_OF_FLAT_TREE)
+ u32 *p;
+ int len;
+
+ p = ft_get_prop(blob, "/memory/reg", &len);
+ if (p != NULL) {
+ *p++ = cpu_to_be32(bd->bi_memstart);
+ *p = cpu_to_be32(bd->bi_memsize);
+ }
+#endif
+ ft_cpu_setup(blob, bd);
+#ifdef CONFIG_PCI
+ ft_pci_setup(blob, bd);
+#endif
+}
+#endif