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-rw-r--r--arch/arc/plat-eznps/platform.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/arch/arc/plat-eznps/platform.c b/arch/arc/plat-eznps/platform.c
deleted file mode 100644
index 6de2fe840043..000000000000
--- a/arch/arc/plat-eznps/platform.c
+++ /dev/null
@@ -1,91 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright(c) 2015 EZchip Technologies.
- */
-
-#include <linux/init.h>
-#include <linux/io.h>
-#include <asm/mach_desc.h>
-#include <plat/mtm.h>
-
-static void __init eznps_configure_msu(void)
-{
- int cpu;
- struct nps_host_reg_msu_en_cfg msu_en_cfg = {.value = 0};
-
- msu_en_cfg.msu_en = 1;
- msu_en_cfg.ipi_en = 1;
- msu_en_cfg.gim_0_en = 1;
- msu_en_cfg.gim_1_en = 1;
-
- /* enable IPI and GIM messages on all clusters */
- for (cpu = 0 ; cpu < eznps_max_cpus; cpu += eznps_cpus_per_cluster)
- iowrite32be(msu_en_cfg.value,
- nps_host_reg(cpu, NPS_MSU_BLKID, NPS_MSU_EN_CFG));
-}
-
-static void __init eznps_configure_gim(void)
-{
- u32 reg_value;
- u32 gim_int_lines;
- struct nps_host_reg_gim_p_int_dst gim_p_int_dst = {.value = 0};
-
- gim_int_lines = NPS_GIM_UART_LINE;
- gim_int_lines |= NPS_GIM_DBG_LAN_EAST_TX_DONE_LINE;
- gim_int_lines |= NPS_GIM_DBG_LAN_EAST_RX_RDY_LINE;
- gim_int_lines |= NPS_GIM_DBG_LAN_WEST_TX_DONE_LINE;
- gim_int_lines |= NPS_GIM_DBG_LAN_WEST_RX_RDY_LINE;
-
- /*
- * IRQ polarity
- * low or high level
- * negative or positive edge
- */
- reg_value = ioread32be(REG_GIM_P_INT_POL_0);
- reg_value &= ~gim_int_lines;
- iowrite32be(reg_value, REG_GIM_P_INT_POL_0);
-
- /* IRQ type level or edge */
- reg_value = ioread32be(REG_GIM_P_INT_SENS_0);
- reg_value |= NPS_GIM_DBG_LAN_EAST_TX_DONE_LINE;
- reg_value |= NPS_GIM_DBG_LAN_WEST_TX_DONE_LINE;
- iowrite32be(reg_value, REG_GIM_P_INT_SENS_0);
-
- /*
- * GIM interrupt select type for
- * dbg_lan TX and RX interrupts
- * should be type 1
- * type 0 = IRQ line 6
- * type 1 = IRQ line 7
- */
- gim_p_int_dst.is = 1;
- iowrite32be(gim_p_int_dst.value, REG_GIM_P_INT_DST_10);
- iowrite32be(gim_p_int_dst.value, REG_GIM_P_INT_DST_11);
- iowrite32be(gim_p_int_dst.value, REG_GIM_P_INT_DST_25);
- iowrite32be(gim_p_int_dst.value, REG_GIM_P_INT_DST_26);
-
- /*
- * CTOP IRQ lines should be defined
- * as blocking in GIM
- */
- iowrite32be(gim_int_lines, REG_GIM_P_INT_BLK_0);
-
- /* enable CTOP IRQ lines in GIM */
- iowrite32be(gim_int_lines, REG_GIM_P_INT_EN_0);
-}
-
-static void __init eznps_early_init(void)
-{
- eznps_configure_msu();
- eznps_configure_gim();
-}
-
-static const char *eznps_compat[] __initconst = {
- "ezchip,arc-nps",
- NULL,
-};
-
-MACHINE_START(NPS, "nps")
- .dt_compat = eznps_compat,
- .init_early = eznps_early_init,
-MACHINE_END