--- /dev/null
+/*
+ * Copyright (C) 2007 Freescale Semiconductor, Inc.
+ *
+ * Copyright (C) 2011 Matrix Vision GmbH
+ * Andre Schwarz <andre.schwarz@matrix-vision.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <hwconfig.h>
+#include <i2c.h>
+#include <spi.h>
+#include <asm/io.h>
+#include <asm/fsl_mpc83xx_serdes.h>
+#include <fdt_support.h>
+#include <spd_sdram.h>
+#include "mergerbox.h"
+#include "fpga.h"
+#include "../common/mv_common.h"
+
+static void setup_serdes(void)
+{
+ fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
+ FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+ fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX,
+ FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+}
+
+#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;
+
+ printf("Testing DRAM from 0x%08x to 0x%08x\n",
+ CONFIG_SYS_MEMTEST_START, CONFIG_SYS_MEMTEST_END);
+
+ printf("DRAM test phase 1:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0xaaaaaaaa;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0xaaaaaaaa) {
+ printf("DRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("DRAM test phase 2:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0x55555555;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0x55555555) {
+ printf("DRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("DRAM test passed.\n");
+ return 0;
+}
+#endif
+
+phys_size_t initdram(int board_type)
+{
+ u32 msize;
+
+ volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+ volatile clk83xx_t *clk = (clk83xx_t *)&immr->clk;
+
+ /* Enable PCI_CLK[0:1] */
+ clk->occr |= 0xc0000000;
+ udelay(2000);
+
+#if defined(CONFIG_SPD_EEPROM)
+ msize = spd_sdram();
+#else
+ immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+ u32 msize_log2;
+
+ msize = CONFIG_SYS_DDR_SIZE;
+ msize_log2 = __ilog2(msize);
+
+ im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000;
+ im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
+
+ im->sysconf.ddrcdr = CONFIG_SYS_DDRCDR_VALUE;
+ udelay(50000);
+
+ im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_SDRAM_CLK_CNTL;
+ udelay(1000);
+
+ im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
+ im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
+ udelay(1000);
+
+ im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
+ im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
+ im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
+ im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
+ im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
+ im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
+ im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
+ im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
+ im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
+ __asm__ __volatile__("sync");
+ udelay(1000);
+
+ im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
+ udelay(2000);
+#endif
+ setup_serdes();
+
+ return msize << 20;
+}
+
+int checkboard(void)
+{
+ puts("Board: Matrix Vision MergerBox\n");
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ u16 dim;
+ int result;
+ volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+ volatile gpio83xx_t *gpio = (gpio83xx_t *)&immr->gpio[1];
+ unsigned char mac[6], mac_verify[6];
+ char *s = getenv("reset_env");
+
+ for (dim = 10; dim < 180; dim += 5) {
+ mergerbox_tft_dim(dim);
+ udelay(100000);
+ }
+
+ if (s)
+ mv_reset_environment();
+
+ i2c_read(SPD_EEPROM_ADDRESS, 0x80, 2, mac, sizeof(mac));
+
+ /* check if Matrix Vision prefix present and export to env */
+ if (mac[0] == 0x00 && mac[1] == 0x0c && mac[2] == 0x8d) {
+ printf("valid MAC found in eeprom: %pM\n", mac);
+ eth_setenv_enetaddr("ethaddr", mac);
+ } else {
+ printf("no valid MAC found in eeprom.\n");
+
+ /* no: check the env */
+ if (!eth_getenv_enetaddr("ethaddr", mac)) {
+ printf("no valid MAC found in env either.\n");
+ /* TODO: ask for valid MAC */
+ } else {
+ printf("valid MAC found in env: %pM\n", mac);
+ printf("updating MAC in eeprom.\n");
+
+ do {
+ result = test_and_clear_bit(20, &gpio->dat);
+ if (result)
+ printf("unprotect EEPROM failed !\n");
+ udelay(20000);
+ } while(result);
+
+ i2c_write(SPD_EEPROM_ADDRESS, 0x80, 2, mac, 6);
+ udelay(20000);
+
+ do {
+ result = test_and_set_bit(20, &gpio->dat);
+ if (result)
+ printf("protect EEPROM failed !\n");
+ udelay(20000);
+ } while(result);
+
+ printf("verify MAC %pM ... ", mac);
+ i2c_read(SPD_EEPROM_ADDRESS, 0x80, 2, mac_verify, 6);
+
+ if (!strncmp((char *)mac, (char *)mac_verify, 6))
+ printf("ok.\n");
+ else
+ /* TODO: retry or do something useful */
+ printf("FAILED (got %pM) !\n", mac_verify);
+ }
+ }
+
+ return 0;
+}
+
+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 &= ~TFT_SPI_CPLD_CS;
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+ volatile gpio83xx_t *iopd = &((immap_t *)CONFIG_SYS_IMMR)->gpio[0];
+
+ iopd->dat |= TFT_SPI_CPLD_CS;
+}
+
+/* control backlight pwm (display brightness).
+ * allow values 0-250 with 0 = turn off and 250 = max brightness
+ */
+void mergerbox_tft_dim(u16 value)
+{
+ struct spi_slave *slave;
+ u16 din;
+ u16 dout = 0;
+
+ if (value > 0 && value < 250)
+ dout = 0x4000 | value;
+
+ slave = spi_setup_slave(0, 0, 1000000, SPI_MODE_0 | SPI_CS_HIGH);
+ spi_claim_bus(slave);
+ spi_xfer(slave, 16, &dout, &din, SPI_XFER_BEGIN | SPI_XFER_END);
+ spi_release_bus(slave);
+ spi_free_slave(slave);
+}
+
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ ft_cpu_setup(blob, bd);
+ fdt_fixup_dr_usb(blob, bd);
+ ft_pci_setup(blob, bd);
+}
Code Review / kvmfornfv.git / blobdiff