Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / board / freescale / mpc837xemds / mpc837xemds.c
diff --git a/qemu/roms/u-boot/board/freescale/mpc837xemds/mpc837xemds.c b/qemu/roms/u-boot/board/freescale/mpc837xemds/mpc837xemds.c
new file mode 100644 (file)
index 0000000..0a3c972
--- /dev/null
@@ -0,0 +1,345 @@
+/*
+ * Copyright (C) 2007,2010 Freescale Semiconductor, Inc.
+ * Dave Liu <daveliu@freescale.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <hwconfig.h>
+#include <i2c.h>
+#include <asm/io.h>
+#include <asm/fsl_mpc83xx_serdes.h>
+#include <asm/fsl_enet.h>
+#include <spd_sdram.h>
+#include <tsec.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <fsl_esdhc.h>
+#include <fsl_mdio.h>
+#include <phy.h>
+#include "pci.h"
+#include "../common/pq-mds-pib.h"
+
+int board_early_init_f(void)
+{
+       u8 *bcsr = (u8 *)CONFIG_SYS_BCSR;
+
+       /* Enable flash write */
+       bcsr[0x9] &= ~0x04;
+       /* Clear all of the interrupt of BCSR */
+       bcsr[0xe] = 0xff;
+
+#ifdef CONFIG_FSL_SERDES
+       immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+       u32 spridr = in_be32(&immr->sysconf.spridr);
+
+       /* we check only part num, and don't look for CPU revisions */
+       switch (PARTID_NO_E(spridr)) {
+       case SPR_8377:
+               fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SATA,
+                               FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+               break;
+       case SPR_8378:
+               fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_SGMII,
+                               FSL_SERDES_CLK_125, FSL_SERDES_VDD_1V);
+               break;
+       case SPR_8379:
+               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_SATA,
+                               FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+               break;
+       default:
+               printf("serdes not configured: unknown CPU part number: "
+                               "%04x\n", spridr >> 16);
+               break;
+       }
+#endif /* CONFIG_FSL_SERDES */
+       return 0;
+}
+
+#ifdef CONFIG_FSL_ESDHC
+int board_mmc_init(bd_t *bd)
+{
+       struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
+       u8 *bcsr = (u8 *)CONFIG_SYS_BCSR;
+
+       if (!hwconfig("esdhc"))
+               return 0;
+
+       /* Set SPI_SD, SER_SD, and IRQ4_WP so that SD signals go through */
+       bcsr[0xc] |= 0x4c;
+
+       /* Set proper bits in SICR to allow SD signals through */
+       clrsetbits_be32(&im->sysconf.sicrl, SICRL_USB_B, SICRL_USB_B_SD);
+       clrsetbits_be32(&im->sysconf.sicrh, SICRH_GPIO2_E | SICRH_SPI,
+                       SICRH_GPIO2_E_SD | SICRH_SPI_SD);
+
+       return fsl_esdhc_mmc_init(bd);
+}
+#endif
+
+#if defined(CONFIG_TSEC1) || defined(CONFIG_TSEC2)
+int board_eth_init(bd_t *bd)
+{
+       struct fsl_pq_mdio_info mdio_info;
+       struct tsec_info_struct tsec_info[2];
+       struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
+       u32 rcwh = in_be32(&im->reset.rcwh);
+       u32 tsec_mode;
+       int num = 0;
+
+       /* New line after Net: */
+       printf("\n");
+
+#ifdef CONFIG_TSEC1
+       SET_STD_TSEC_INFO(tsec_info[num], 1);
+
+       printf(CONFIG_TSEC1_NAME ": ");
+
+       tsec_mode = rcwh & HRCWH_TSEC1M_MASK;
+       if (tsec_mode == HRCWH_TSEC1M_IN_RGMII) {
+               printf("RGMII\n");
+               /* this is default, no need to fixup */
+       } else if (tsec_mode == HRCWH_TSEC1M_IN_SGMII) {
+               printf("SGMII\n");
+               tsec_info[num].phyaddr = TSEC1_PHY_ADDR_SGMII;
+               tsec_info[num].flags = TSEC_GIGABIT;
+       } else {
+               printf("unsupported PHY type\n");
+       }
+       num++;
+#endif
+#ifdef CONFIG_TSEC2
+       SET_STD_TSEC_INFO(tsec_info[num], 2);
+
+       printf(CONFIG_TSEC2_NAME ": ");
+
+       tsec_mode = rcwh & HRCWH_TSEC2M_MASK;
+       if (tsec_mode == HRCWH_TSEC2M_IN_RGMII) {
+               printf("RGMII\n");
+               /* this is default, no need to fixup */
+       } else if (tsec_mode == HRCWH_TSEC2M_IN_SGMII) {
+               printf("SGMII\n");
+               tsec_info[num].phyaddr = TSEC2_PHY_ADDR_SGMII;
+               tsec_info[num].flags = TSEC_GIGABIT;
+       } else {
+               printf("unsupported PHY type\n");
+       }
+       num++;
+#endif
+
+       mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
+       mdio_info.name = DEFAULT_MII_NAME;
+       fsl_pq_mdio_init(bd, &mdio_info);
+
+       return tsec_eth_init(bd, tsec_info, num);
+}
+
+static void __ft_tsec_fixup(void *blob, bd_t *bd, const char *alias,
+                           int phy_addr)
+{
+       const u32 *ph;
+       int off;
+       int err;
+
+       off = fdt_path_offset(blob, alias);
+       if (off < 0) {
+               printf("WARNING: could not find %s alias: %s.\n", alias,
+                       fdt_strerror(off));
+               return;
+       }
+
+       err = fdt_fixup_phy_connection(blob, off, PHY_INTERFACE_MODE_SGMII);
+
+       if (err) {
+               printf("WARNING: could not set phy-connection-type for %s: "
+                       "%s.\n", alias, fdt_strerror(err));
+               return;
+       }
+
+       ph = (u32 *)fdt_getprop(blob, off, "phy-handle", 0);
+       if (!ph) {
+               printf("WARNING: could not get phy-handle for %s.\n",
+                       alias);
+               return;
+       }
+
+       off = fdt_node_offset_by_phandle(blob, *ph);
+       if (off < 0) {
+               printf("WARNING: could not get phy node for %s: %s\n", alias,
+                       fdt_strerror(off));
+               return;
+       }
+
+       phy_addr = cpu_to_fdt32(phy_addr);
+       err = fdt_setprop(blob, off, "reg", &phy_addr, sizeof(phy_addr));
+       if (err < 0) {
+               printf("WARNING: could not set phy node's reg for %s: "
+                       "%s.\n", alias, fdt_strerror(err));
+               return;
+       }
+}
+
+static void ft_tsec_fixup(void *blob, bd_t *bd)
+{
+       struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
+       u32 rcwh = in_be32(&im->reset.rcwh);
+       u32 tsec_mode;
+
+#ifdef CONFIG_TSEC1
+       tsec_mode = rcwh & HRCWH_TSEC1M_MASK;
+       if (tsec_mode == HRCWH_TSEC1M_IN_SGMII)
+               __ft_tsec_fixup(blob, bd, "ethernet0", TSEC1_PHY_ADDR_SGMII);
+#endif
+
+#ifdef CONFIG_TSEC2
+       tsec_mode = rcwh & HRCWH_TSEC2M_MASK;
+       if (tsec_mode == HRCWH_TSEC2M_IN_SGMII)
+               __ft_tsec_fixup(blob, bd, "ethernet1", TSEC2_PHY_ADDR_SGMII);
+#endif
+}
+#else
+static inline void ft_tsec_fixup(void *blob, bd_t *bd) {}
+#endif /* defined(CONFIG_TSEC1) || defined(CONFIG_TSEC2) */
+
+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_DDRCONTROLLER)
+extern void ddr_enable_ecc(unsigned int dram_size);
+#endif
+int fixed_sdram(void);
+
+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;
+
+#if defined(CONFIG_SPD_EEPROM)
+       msize = spd_sdram();
+#else
+       msize = fixed_sdram();
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+       /* Initialize DDR ECC byte */
+       ddr_enable_ecc(msize * 1024 * 1024);
+#endif
+
+       /* return total bus DDR size(bytes) */
+       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 * 1024 * 1024;
+       u32 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);
+
+#if (CONFIG_SYS_DDR_SIZE != 512)
+#warning Currenly any ddr size other than 512 is not supported
+#endif
+       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);
+       return CONFIG_SYS_DDR_SIZE;
+}
+#endif /*!CONFIG_SYS_SPD_EEPROM */
+
+int checkboard(void)
+{
+       puts("Board: Freescale MPC837xEMDS\n");
+       return 0;
+}
+
+#ifdef CONFIG_PCI
+int board_pci_host_broken(void)
+{
+       struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
+       const u32 rcw_mask = HRCWH_PCI1_ARBITER_ENABLE | HRCWH_PCI_HOST;
+
+       /* It's always OK in case of external arbiter. */
+       if (hwconfig_subarg_cmp("pci", "arbiter", "external"))
+               return 0;
+
+       if ((in_be32(&im->reset.rcwh) & rcw_mask) != rcw_mask)
+               return 1;
+
+       return 0;
+}
+
+static void ft_pci_fixup(void *blob, bd_t *bd)
+{
+       const char *status = "broken (no arbiter)";
+       int off;
+       int err;
+
+       off = fdt_path_offset(blob, "pci0");
+       if (off < 0) {
+               printf("WARNING: could not find pci0 alias: %s.\n",
+                       fdt_strerror(off));
+               return;
+       }
+
+       err = fdt_setprop(blob, off, "status", status, strlen(status) + 1);
+       if (err) {
+               printf("WARNING: could not set status for pci0: %s.\n",
+                       fdt_strerror(err));
+               return;
+       }
+}
+#endif
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+       ft_cpu_setup(blob, bd);
+       ft_tsec_fixup(blob, bd);
+       fdt_fixup_dr_usb(blob, bd);
+       fdt_fixup_esdhc(blob, bd);
+#ifdef CONFIG_PCI
+       ft_pci_setup(blob, bd);
+       if (board_pci_host_broken())
+               ft_pci_fixup(blob, bd);
+       ft_pcie_fixup(blob, bd);
+#endif
+}
+#endif /* CONFIG_OF_BOARD_SETUP */