3 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/processor.h>
12 #include <asm/ppc4xx-gpio.h>
13 #include <asm/global_data.h>
16 #include <gdsys_fpga.h>
18 #define REFLECTION_TESTPATTERN 0xdede
19 #define REFLECTION_TESTPATTERN_INV (~REFLECTION_TESTPATTERN & 0xffff)
21 #ifdef CONFIG_SYS_FPGA_NO_RFL_HI
22 #define REFLECTION_TESTREG reflection_low
24 #define REFLECTION_TESTREG reflection_high
27 DECLARE_GLOBAL_DATA_PTR
;
29 int get_fpga_state(unsigned dev
)
31 return gd
->arch
.fpga_state
[dev
];
34 int board_early_init_f(void)
38 for (k
= 0; k
< CONFIG_SYS_FPGA_COUNT
; ++k
)
39 gd
->arch
.fpga_state
[k
] = 0;
44 int board_early_init_r(void)
49 for (k
= 0; k
< CONFIG_SYS_FPGA_COUNT
; ++k
)
50 gd
->arch
.fpga_state
[k
] = 0;
57 mpc8308_set_fpga_reset(1);
61 for (k
= 0; k
< CONFIG_SYS_FPGA_COUNT
; ++k
) {
63 while (!mpc8308_get_fpga_done(k
)) {
66 gd
->arch
.fpga_state
[k
] |=
67 FPGA_STATE_DONE_FAILED
;
75 mpc8308_set_fpga_reset(0);
77 for (k
= 0; k
< CONFIG_SYS_FPGA_COUNT
; ++k
) {
79 * wait for fpga out of reset
85 FPGA_SET_REG(k
, reflection_low
, REFLECTION_TESTPATTERN
);
87 FPGA_GET_REG(k
, REFLECTION_TESTREG
, &val
);
88 if (val
== REFLECTION_TESTPATTERN_INV
)
93 gd
->arch
.fpga_state
[k
] |=
94 FPGA_STATE_REFLECTION_FAILED
;