diff options
Diffstat (limited to 'arch/arm/mach-netx/generic.c')
| -rw-r--r-- | arch/arm/mach-netx/generic.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c deleted file mode 100644 index 450226d2cc..0000000000 --- a/arch/arm/mach-netx/generic.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <common.h> -#include <init.h> -#include <command.h> -#include <io.h> -#include <restart.h> -#include <mach/netx-regs.h> -#include <mach/netx-xc.h> -#include "eth_firmware.h" - -struct fw_header { - unsigned int magic; - unsigned int type; - unsigned int version; - unsigned int table_size; - unsigned int reserved[4]; -} __attribute__((packed)); - -static int xc_check_ptr(int xcno, unsigned long adr, unsigned int size) -{ - if (adr >= NETX_PA_XMAC(xcno) && - adr + size < NETX_PA_XMAC(xcno) + XMAC_MEM_SIZE) - return 0; - - if (adr >= NETX_PA_XPEC(xcno) && - adr + size < NETX_PA_XPEC(xcno) + XPEC_MEM_SIZE) - return 0; - - printf("%s: illegal pointer 0x%08lx\n", __func__ ,adr); - return -1; -} - -static int xc_patch(int xcno, const u32 *patch, int count) -{ - unsigned int adr, val; - - int i; - for (i = 0; i < count; i++) { - adr = *patch++; - val = *patch++; - if (xc_check_ptr(xcno, adr, 1) < 0) - return -1; - writel(val, adr); - } - return 0; -} - -static void memset32(void *s, int c, int n) -{ - int i; - u32 *t = s; - - for (i = 0; i < (n >> 2); i++) - *t++ = 0; -} - -static void memcpy32(void *trg, const void *src, int size) -{ - int i; - u32 *t = trg; - const u32 *s = src; - for (i = 0; i < (size >> 2); i++) - *t++ = *s++; -} - -int loadxc(int xcno) -{ - /* stop xmac / xpec */ - XMAC_REG(xcno, XMAC_RPU_HOLD_PC) = RPU_HOLD_PC; - XMAC_REG(xcno, XMAC_TPU_HOLD_PC) = TPU_HOLD_PC; - XPEC_REG(xcno, XPEC_XPU_HOLD_PC) = XPU_HOLD_PC; - - XPEC_REG(xcno, XPEC_PC) = 0; - - /* load firmware */ - memset32((void*)NETX_PA_XPEC(xcno) + XPEC_RAM_START, 0, 0x2000); - memset32((void*)NETX_PA_XMAC(xcno), 0, 0x800); - - /* can't use barebox memcpy here, we need 32bit accesses */ - if (xcno == 0) { - memcpy32((void*)(NETX_PA_XMAC(xcno) + XMAC_RPU_PROGRAM_START), rpu_eth0, sizeof(rpu_eth0)); - memcpy32((void*)(NETX_PA_XMAC(xcno) + XMAC_TPU_PROGRAM_START), tpu_eth0, sizeof(tpu_eth0)); - memcpy32((void*)NETX_PA_XPEC(xcno) + XPEC_RAM_START, xpec_eth0_mac, sizeof(xpec_eth0_mac)); - xc_patch(xcno, rpu_eth0_patch, ARRAY_SIZE(rpu_eth0_patch) >> 1); - xc_patch(xcno, tpu_eth0_patch, ARRAY_SIZE(tpu_eth0_patch) >> 1); - xc_patch(xcno, xpec_eth0_mac_patch, ARRAY_SIZE(xpec_eth0_mac_patch) >> 1); - } else { - memcpy32((void*)(NETX_PA_XMAC(xcno) + XMAC_RPU_PROGRAM_START), rpu_eth1, sizeof(rpu_eth1)); - memcpy32((void*)(NETX_PA_XMAC(xcno) + XMAC_TPU_PROGRAM_START), tpu_eth1, sizeof(tpu_eth1)); - memcpy32((void*)NETX_PA_XPEC(xcno) + XPEC_RAM_START, xpec_eth1_mac, sizeof(xpec_eth1_mac)); - xc_patch(xcno, rpu_eth1_patch, ARRAY_SIZE(rpu_eth1_patch) >> 1); - xc_patch(xcno, tpu_eth1_patch, ARRAY_SIZE(tpu_eth1_patch) >> 1); - xc_patch(xcno, xpec_eth1_mac_patch, ARRAY_SIZE(xpec_eth1_mac_patch) >> 1); - } - - /* start xmac / xpec */ - XPEC_REG(xcno, XPEC_XPU_HOLD_PC) = 0; - XMAC_REG(xcno, XMAC_TPU_HOLD_PC) = 0; - XMAC_REG(xcno, XMAC_RPU_HOLD_PC) = 0; - - return 0; -} - -static int do_loadxc(int argc, char *argv[]) -{ - int xcno; - - if (argc < 2) - goto failure; - - xcno = simple_strtoul(argv[1], NULL, 16); - - printf("loading xc%d\n",xcno); - - /* There is a bug in the netx internal firmware. For now we have to call this twice */ - loadxc(xcno); - loadxc(xcno); - - return 0; - -failure: - return COMMAND_ERROR_USAGE; -} - -BAREBOX_CMD_START(loadxc) - .cmd = do_loadxc, - BAREBOX_CMD_DESC("load XMAC/XPEC engine with ethernet firmware") - BAREBOX_CMD_GROUP(CMD_GRP_NET) -BAREBOX_CMD_END - -static void __noreturn netx_restart_soc(struct restart_handler *rst) -{ - SYSTEM_REG(SYSTEM_RES_CR) = 0x01000008; - - /* Not reached */ - hang(); -} - -static int restart_register_feature(void) -{ - restart_handler_register_fn(netx_restart_soc); - - return 0; -} -coredevice_initcall(restart_register_feature); |