This source file includes following definitions.
- eznps_configure_msu
- eznps_configure_gim
- eznps_early_init
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6 #include <linux/init.h>
7 #include <linux/io.h>
8 #include <asm/mach_desc.h>
9 #include <plat/mtm.h>
10
11 static void __init eznps_configure_msu(void)
12 {
13 int cpu;
14 struct nps_host_reg_msu_en_cfg msu_en_cfg = {.value = 0};
15
16 msu_en_cfg.msu_en = 1;
17 msu_en_cfg.ipi_en = 1;
18 msu_en_cfg.gim_0_en = 1;
19 msu_en_cfg.gim_1_en = 1;
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21
22 for (cpu = 0 ; cpu < eznps_max_cpus; cpu += eznps_cpus_per_cluster)
23 iowrite32be(msu_en_cfg.value,
24 nps_host_reg(cpu, NPS_MSU_BLKID, NPS_MSU_EN_CFG));
25 }
26
27 static void __init eznps_configure_gim(void)
28 {
29 u32 reg_value;
30 u32 gim_int_lines;
31 struct nps_host_reg_gim_p_int_dst gim_p_int_dst = {.value = 0};
32
33 gim_int_lines = NPS_GIM_UART_LINE;
34 gim_int_lines |= NPS_GIM_DBG_LAN_EAST_TX_DONE_LINE;
35 gim_int_lines |= NPS_GIM_DBG_LAN_EAST_RX_RDY_LINE;
36 gim_int_lines |= NPS_GIM_DBG_LAN_WEST_TX_DONE_LINE;
37 gim_int_lines |= NPS_GIM_DBG_LAN_WEST_RX_RDY_LINE;
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44 reg_value = ioread32be(REG_GIM_P_INT_POL_0);
45 reg_value &= ~gim_int_lines;
46 iowrite32be(reg_value, REG_GIM_P_INT_POL_0);
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48
49 reg_value = ioread32be(REG_GIM_P_INT_SENS_0);
50 reg_value |= NPS_GIM_DBG_LAN_EAST_TX_DONE_LINE;
51 reg_value |= NPS_GIM_DBG_LAN_WEST_TX_DONE_LINE;
52 iowrite32be(reg_value, REG_GIM_P_INT_SENS_0);
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61 gim_p_int_dst.is = 1;
62 iowrite32be(gim_p_int_dst.value, REG_GIM_P_INT_DST_10);
63 iowrite32be(gim_p_int_dst.value, REG_GIM_P_INT_DST_11);
64 iowrite32be(gim_p_int_dst.value, REG_GIM_P_INT_DST_25);
65 iowrite32be(gim_p_int_dst.value, REG_GIM_P_INT_DST_26);
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71 iowrite32be(gim_int_lines, REG_GIM_P_INT_BLK_0);
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74 iowrite32be(gim_int_lines, REG_GIM_P_INT_EN_0);
75 }
76
77 static void __init eznps_early_init(void)
78 {
79 eznps_configure_msu();
80 eznps_configure_gim();
81 }
82
83 static const char *eznps_compat[] __initconst = {
84 "ezchip,arc-nps",
85 NULL,
86 };
87
88 MACHINE_START(NPS, "nps")
89 .dt_compat = eznps_compat,
90 .init_early = eznps_early_init,
91 MACHINE_END