--- /dev/null
+/*
+ * vme8349.c -- esd VME8349 board support
+ *
+ * Copyright (c) 2008-2009 esd gmbh.
+ *
+ * (C) Copyright 2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Reinhard Arlt <reinhard.arlt@esd-electronics.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>
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#endif
+#include <asm/io.h>
+#include <asm/mmu.h>
+#include <spd.h>
+#include <spd_sdram.h>
+#include <i2c.h>
+#include <netdev.h>
+
+void ddr_enable_ecc(unsigned int dram_size);
+
+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 memory */
+ im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR;
+
+ msize = spd_sdram();
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ /*
+ * Initialize and enable DDR ECC.
+ */
+ ddr_enable_ecc(msize * 1024 * 1024);
+#endif
+
+ /* Now check memory size (after ECC is initialized) */
+ msize = get_ram_size(0, msize);
+
+ /* return total bus SDRAM size(bytes) -- DDR */
+ return msize * 1024 * 1024;
+}
+
+int checkboard(void)
+{
+#ifdef VME_CADDY2
+ puts("Board: esd VME-CADDY/2\n");
+#else
+ puts("Board: esd VME-CPU/8349\n");
+#endif
+
+ return 0;
+}
+
+#ifdef VME_CADDY2
+int board_eth_init(bd_t *bis)
+{
+ return pci_eth_init(bis);
+}
+#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
+
+int misc_init_r()
+{
+ immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
+
+ clrsetbits_be32(&im->im_lbc.lcrr, LBCR_LDIS, 0);
+
+ return 0;
+}
+
+/*
+ * Provide SPD values for spd_sdram(). Both boards (VME-CADDY/2
+ * and VME-CADDY/2) have different SDRAM configurations.
+ */
+#ifdef VME_CADDY2
+#define SMALL_RAM 0xff
+#define LARGE_RAM 0x00
+#else
+#define SMALL_RAM 0x00
+#define LARGE_RAM 0xff
+#endif
+
+#define SPD_VAL(a, b) (((a) & SMALL_RAM) | ((b) & LARGE_RAM))
+
+static spd_eeprom_t default_spd_eeprom = {
+ SPD_VAL(0x80, 0x80), /* 00 use 128 Bytes */
+ SPD_VAL(0x07, 0x07), /* 01 use 128 Bytes */
+ SPD_MEMTYPE_DDR2, /* 02 type is DDR2 */
+ SPD_VAL(0x0d, 0x0d), /* 03 rows: 13 */
+ SPD_VAL(0x09, 0x0a), /* 04 cols: 9 / 10 */
+ SPD_VAL(0x00, 0x00), /* 05 */
+ SPD_VAL(0x40, 0x40), /* 06 */
+ SPD_VAL(0x00, 0x00), /* 07 */
+ SPD_VAL(0x05, 0x05), /* 08 */
+ SPD_VAL(0x30, 0x30), /* 09 */
+ SPD_VAL(0x45, 0x45), /* 10 */
+ SPD_VAL(0x02, 0x02), /* 11 ecc used */
+ SPD_VAL(0x82, 0x82), /* 12 */
+ SPD_VAL(0x10, 0x10), /* 13 */
+ SPD_VAL(0x08, 0x08), /* 14 */
+ SPD_VAL(0x00, 0x00), /* 15 */
+ SPD_VAL(0x0c, 0x0c), /* 16 */
+ SPD_VAL(0x04, 0x08), /* 17 banks: 4 / 8 */
+ SPD_VAL(0x38, 0x38), /* 18 */
+ SPD_VAL(0x00, 0x00), /* 19 */
+ SPD_VAL(0x02, 0x02), /* 20 */
+ SPD_VAL(0x00, 0x00), /* 21 */
+ SPD_VAL(0x03, 0x03), /* 22 */
+ SPD_VAL(0x3d, 0x3d), /* 23 */
+ SPD_VAL(0x45, 0x45), /* 24 */
+ SPD_VAL(0x50, 0x50), /* 25 */
+ SPD_VAL(0x45, 0x45), /* 26 */
+ SPD_VAL(0x3c, 0x3c), /* 27 */
+ SPD_VAL(0x28, 0x28), /* 28 */
+ SPD_VAL(0x3c, 0x3c), /* 29 */
+ SPD_VAL(0x2d, 0x2d), /* 30 */
+ SPD_VAL(0x20, 0x80), /* 31 */
+ SPD_VAL(0x20, 0x20), /* 32 */
+ SPD_VAL(0x27, 0x27), /* 33 */
+ SPD_VAL(0x10, 0x10), /* 34 */
+ SPD_VAL(0x17, 0x17), /* 35 */
+ SPD_VAL(0x3c, 0x3c), /* 36 */
+ SPD_VAL(0x1e, 0x1e), /* 37 */
+ SPD_VAL(0x1e, 0x1e), /* 38 */
+ SPD_VAL(0x00, 0x00), /* 39 */
+ SPD_VAL(0x00, 0x06), /* 40 */
+ SPD_VAL(0x37, 0x37), /* 41 */
+ SPD_VAL(0x4b, 0x7f), /* 42 */
+ SPD_VAL(0x80, 0x80), /* 43 */
+ SPD_VAL(0x18, 0x18), /* 44 */
+ SPD_VAL(0x22, 0x22), /* 45 */
+ SPD_VAL(0x00, 0x00), /* 46 */
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+ SPD_VAL(0x10, 0x10), /* 62 */
+ SPD_VAL(0x7e, 0x1d), /* 63 */
+ { 'e', 's', 'd', '-', 'g', 'm', 'b', 'h' },
+ SPD_VAL(0x00, 0x00), /* 72 */
+#ifdef VME_CADDY2
+ { "vme-caddy/2 ram " }
+#else
+ { "vme-cpu/2 ram " }
+#endif
+};
+
+int vme8349_read_spd(uchar chip, uint addr, int alen, uchar *buffer, int len)
+{
+ int old_bus = i2c_get_bus_num();
+ unsigned int l, sum;
+ int valid = 0;
+
+ i2c_set_bus_num(0);
+
+ if (i2c_read(chip, addr, alen, buffer, len) == 0)
+ if (memcmp(&buffer[64], &default_spd_eeprom.mid[0], 8) == 0) {
+ sum = 0;
+ for (l = 0; l < 63; l++)
+ sum = (sum + buffer[l]) & 0xff;
+ if (sum == buffer[63])
+ valid = 1;
+ else
+ printf("Invalid checksum in EEPROM %02x %02x\n",
+ sum, buffer[63]);
+ }
+
+ if (valid == 0) {
+ memcpy(buffer, (void *)&default_spd_eeprom, len);
+ sum = 0;
+ for (l = 0; l < 63; l++)
+ sum = (sum + buffer[l]) & 0xff;
+ if (sum != buffer[63])
+ printf("Invalid checksum in FLASH %02x %02x\n",
+ sum, buffer[63]);
+ buffer[63] = sum;
+ }
+
+ i2c_set_bus_num(old_bus);
+
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff