Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / miromico / hammerhead / hammerhead.c

diff --git a/qemu/roms/u-boot/board/miromico/hammerhead/hammerhead.c b/qemu/roms/u-boot/board/miromico/hammerhead/hammerhead.c
new file mode 100644 (file)
index 0000000..d82fee7
--- /dev/null
+++ b/qemu/roms/u-boot/board/miromico/hammerhead/hammerhead.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2008 Miromico AG
+ *
+ * Mostly copied form atmel ATNGW100 sources
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+
+#include <asm/io.h>
+#include <asm/sdram.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/hmatrix.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/mmu.h>
+#include <asm/arch/portmux.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = {
+       {
+               .virt_pgno      = CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT,
+               .nr_pages       = CONFIG_SYS_FLASH_SIZE >> PAGE_SHIFT,
+               .phys           = (CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT)
+                                       | MMU_VMR_CACHE_NONE,
+       }, {
+               .virt_pgno      = CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT,
+               .nr_pages       = EBI_SDRAM_SIZE >> PAGE_SHIFT,
+               .phys           = (CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT)
+                                       | MMU_VMR_CACHE_WRBACK,
+       },
+};
+
+static const struct sdram_config sdram_config = {
+       .data_bits      = SDRAM_DATA_32BIT,
+       .row_bits       = 13,
+       .col_bits       = 9,
+       .bank_bits      = 2,
+       .cas            = 3,
+       .twr            = 2,
+       .trc            = 7,
+       .trp            = 2,
+       .trcd           = 2,
+       .tras           = 5,
+       .txsr           = 5,
+       /* 7.81 us */
+       .refresh_period = (781 * (SDRAMC_BUS_HZ / 1000)) / 100000,
+};
+
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+       return macb_eth_initialize(0, (void *)ATMEL_BASE_MACB0,
+               bis->bi_phy_id[0]);
+}
+#endif
+
+int board_early_init_f(void)
+{
+       /* Enable SDRAM in the EBI mux */
+       hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
+
+       portmux_enable_ebi(32, 23, 0, PORTMUX_DRIVE_HIGH);
+       portmux_enable_usart1(PORTMUX_DRIVE_MIN);
+
+#if defined(CONFIG_MACB)
+       portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH);
+#endif
+#if defined(CONFIG_MMC)
+       portmux_enable_mmci(0, PORTMUX_MMCI_4BIT, PORTMUX_DRIVE_LOW);
+#endif
+       return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+       unsigned long expected_size;
+       unsigned long actual_size;
+       void *sdram_base;
+
+       sdram_base = uncached(EBI_SDRAM_BASE);
+
+       expected_size = sdram_init(sdram_base, &sdram_config);
+       actual_size = get_ram_size(sdram_base, expected_size);
+
+       if (expected_size != actual_size)
+               printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
+                      actual_size >> 20, expected_size >> 20);
+
+       return actual_size;
+}
+
+int board_early_init_r(void)
+{
+       gd->bd->bi_phy_id[0] = 0x01;
+       return 0;
+}
+
+int board_postclk_init(void)
+{
+       /* Hammerhead boards uses GCLK3 as 25MHz output to ethernet PHY */
+       gclk_enable_output(3, PORTMUX_DRIVE_LOW);
+       gclk_set_rate(3, GCLK_PARENT_OSC0, 25000000);
+       return 0;
+}