diff options
Diffstat (limited to 'arch/powerpc/boot/cuboot-c2k.c')
| -rw-r--r-- | arch/powerpc/boot/cuboot-c2k.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/arch/powerpc/boot/cuboot-c2k.c b/arch/powerpc/boot/cuboot-c2k.c deleted file mode 100644 index 9309c51f1d65d..0000000000000 --- a/arch/powerpc/boot/cuboot-c2k.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - * GEFanuc C2K platform code. - * - * Author: Remi Machet <rmachet@slac.stanford.edu> - * - * Originated from prpmc2800.c - * - * 2008 (c) Stanford University - * 2007 (c) MontaVista, Software, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include "types.h" -#include "stdio.h" -#include "io.h" -#include "ops.h" -#include "elf.h" -#include "mv64x60.h" -#include "cuboot.h" -#include "ppcboot.h" - -static u8 *bridge_base; - -static void c2k_bridge_setup(u32 mem_size) -{ - u32 i, v[30], enables, acc_bits; - u32 pci_base_hi, pci_base_lo, size, buf[2]; - unsigned long cpu_base; - int rc; - void *devp, *mv64x60_devp; - u8 *bridge_pbase, is_coherent; - struct mv64x60_cpu2pci_win *tbl; - int bus; - - bridge_pbase = mv64x60_get_bridge_pbase(); - is_coherent = mv64x60_is_coherent(); - - if (is_coherent) - acc_bits = MV64x60_PCI_ACC_CNTL_SNOOP_WB - | MV64x60_PCI_ACC_CNTL_SWAP_NONE - | MV64x60_PCI_ACC_CNTL_MBURST_32_BYTES - | MV64x60_PCI_ACC_CNTL_RDSIZE_32_BYTES; - else - acc_bits = MV64x60_PCI_ACC_CNTL_SNOOP_NONE - | MV64x60_PCI_ACC_CNTL_SWAP_NONE - | MV64x60_PCI_ACC_CNTL_MBURST_128_BYTES - | MV64x60_PCI_ACC_CNTL_RDSIZE_256_BYTES; - - mv64x60_config_ctlr_windows(bridge_base, bridge_pbase, is_coherent); - mv64x60_devp = find_node_by_compatible(NULL, "marvell,mv64360"); - if (mv64x60_devp == NULL) - fatal("Error: Missing marvell,mv64360 device tree node\n\r"); - - enables = in_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE)); - enables |= 0x007ffe00; /* Disable all cpu->pci windows */ - out_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE), enables); - - /* Get the cpu -> pci i/o & mem mappings from the device tree */ - devp = NULL; - for (bus = 0; ; bus++) { - char name[] = "pci "; - - name[strlen(name)-1] = bus+'0'; - - devp = find_node_by_alias(name); - if (devp == NULL) - break; - - if (bus >= 2) - fatal("Error: Only 2 PCI controllers are supported at" \ - " this time.\n"); - - mv64x60_config_pci_windows(bridge_base, bridge_pbase, bus, 0, - mem_size, acc_bits); - - rc = getprop(devp, "ranges", v, sizeof(v)); - if (rc == 0) - fatal("Error: Can't find marvell,mv64360-pci ranges" - " property\n\r"); - - /* Get the cpu -> pci i/o & mem mappings from the device tree */ - - for (i = 0; i < rc; i += 6) { - switch (v[i] & 0xff000000) { - case 0x01000000: /* PCI I/O Space */ - tbl = mv64x60_cpu2pci_io; - break; - case 0x02000000: /* PCI MEM Space */ - tbl = mv64x60_cpu2pci_mem; - break; - default: - continue; - } - - pci_base_hi = v[i+1]; - pci_base_lo = v[i+2]; - cpu_base = v[i+3]; - size = v[i+5]; - - buf[0] = cpu_base; - buf[1] = size; - - if (!dt_xlate_addr(devp, buf, sizeof(buf), &cpu_base)) - fatal("Error: Can't translate PCI address " \ - "0x%x\n\r", (u32)cpu_base); - - mv64x60_config_cpu2pci_window(bridge_base, bus, - pci_base_hi, pci_base_lo, cpu_base, size, tbl); - } - - enables &= ~(3<<(9+bus*5)); /* Enable cpu->pci<bus> i/o, - cpu->pci<bus> mem0 */ - out_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE), - enables); - }; -} - -static void c2k_fixups(void) -{ - u32 mem_size; - - mem_size = mv64x60_get_mem_size(bridge_base); - c2k_bridge_setup(mem_size); /* Do necessary bridge setup */ -} - -#define MV64x60_MPP_CNTL_0 0xf000 -#define MV64x60_MPP_CNTL_2 0xf008 -#define MV64x60_GPP_IO_CNTL 0xf100 -#define MV64x60_GPP_LEVEL_CNTL 0xf110 -#define MV64x60_GPP_VALUE_SET 0xf118 - -static void c2k_reset(void) -{ - u32 temp; - - udelay(5000000); - - if (bridge_base != 0) { - temp = in_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_0)); - temp &= 0xFFFF0FFF; - out_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_0), temp); - - temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL)); - temp |= 0x00000004; - out_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL), temp); - - temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL)); - temp |= 0x00000004; - out_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL), temp); - - temp = in_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_2)); - temp &= 0xFFFF0FFF; - out_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_2), temp); - - temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL)); - temp |= 0x00080000; - out_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL), temp); - - temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL)); - temp |= 0x00080000; - out_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL), temp); - - out_le32((u32 *)(bridge_base + MV64x60_GPP_VALUE_SET), - 0x00080004); - } - - for (;;); -} - -static bd_t bd; - -void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - CUBOOT_INIT(); - - fdt_init(_dtb_start); - - bridge_base = mv64x60_get_bridge_base(); - - platform_ops.fixups = c2k_fixups; - platform_ops.exit = c2k_reset; - - if (serial_console_init() < 0) - exit(); -} |