1 // SPDX-License-Identifier: GPL-2.0+
14  * We cannot use any public GPIO APIs in <asm-generic/gpio.h> to control this
19  * Check <asm/arch-quark/quark.h> for more details.
23 	u32 base, port, val;  in board_assert_perst()  local
25 	/* retrieve the GPIO IO base */  in board_assert_perst()
26 	qrk_pci_read_config_dword(QUARK_LEGACY_BRIDGE, LB_GBA, &base);  in board_assert_perst()
27 	base = (base & 0xffff) & ~0x7f;  in board_assert_perst()
30 	port = base + 0x20;  in board_assert_perst()
31 	val = inl(port);  in board_assert_perst()
33 	outl(val, port);  in board_assert_perst()
36 	port = base + 0x24;  in board_assert_perst()
37 	val = inl(port);  in board_assert_perst()
39 	outl(val, port);  in board_assert_perst()
42 	port = base + 0x28;  in board_assert_perst()
43 	val = inl(port);  in board_assert_perst()
45 	outl(val, port);  in board_assert_perst()
50 	u32 base, port, val;  in board_deassert_perst()  local
52 	/* retrieve the GPIO IO base */  in board_deassert_perst()
53 	qrk_pci_read_config_dword(QUARK_LEGACY_BRIDGE, LB_GBA, &base);  in board_deassert_perst()
54 	base = (base & 0xffff) & ~0x7f;  in board_deassert_perst()
56 	/* pull it up (de-assert) */  in board_deassert_perst()
57 	port = base + 0x28;  in board_deassert_perst()
58 	val = inl(port);  in board_deassert_perst()
60 	outl(val, port);  in board_deassert_perst()