3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/ixp425.h>
13 DECLARE_GLOBAL_DATA_PTR
;
15 /* predefine these here for FPGA programming (before including fpga.c) */
16 #define SET_FPGA(data) *IXP425_GPIO_GPOUTR = (data)
17 #define FPGA_DONE_STATE (*IXP425_GPIO_GPINR & CONFIG_SYS_FPGA_DONE)
18 #define FPGA_INIT_STATE (*IXP425_GPIO_GPINR & CONFIG_SYS_FPGA_INIT)
19 #define OLD_VAL old_val
21 static unsigned long old_val
= 0;
24 * include common fpga code (for prodrive boards)
26 #include "../common/fpga.c"
29 * Miscelaneous platform dependent initialisations
33 /* adress of boot parameters */
34 gd
->bd
->bi_boot_params
= 0x00000100;
36 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_FPGA_RESET
);
37 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_FPGA_RESET
);
39 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_SYS_RUNNING
);
40 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_SYS_RUNNING
);
43 * Setup GPIO's for FPGA programming
45 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PRG
);
46 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_CLK
);
47 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DATA
);
48 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PRG
);
49 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_CLK
);
50 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DATA
);
51 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_INIT
);
52 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_DONE
);
55 * Setup GPIO's for interrupts
57 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTA
);
58 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTA
);
59 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTB
);
60 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTB
);
61 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_RESTORE_INT
);
62 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_RESTORE_INT
);
63 GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_RESTART_INT
);
64 GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_RESTART_INT
);
67 * Setup GPIO's for 33MHz clock output
69 *IXP425_GPIO_GPCLKR
= 0x01FF0000;
70 GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_CLK_33M
);
73 * Setup other chip select's
75 *IXP425_EXP_CS1
= CONFIG_SYS_EXP_CS1
;
81 * Check Board Identity
86 int i
= getenv_f("serial#", buf
, sizeof(buf
));
101 gd
->bd
->bi_dram
[0].start
= PHYS_SDRAM_1
;
102 gd
->bd
->bi_dram
[0].size
= PHYS_SDRAM_1_SIZE
;
107 int do_fpga_boot(unsigned char *fpgadata
)
113 ulong len
= CONFIG_SYS_MALLOC_LEN
;
116 * Setup GPIO's for FPGA programming
118 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PRG
);
119 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_CLK
);
120 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DATA
);
123 * Save value so no readback is required upon programming
125 old_val
= *IXP425_GPIO_GPOUTR
;
128 * First try to decompress fpga image (gzip compressed?)
130 dst
= malloc(CONFIG_SYS_FPGA_MAX_SIZE
);
131 if (gunzip(dst
, CONFIG_SYS_FPGA_MAX_SIZE
, (uchar
*)fpgadata
, &len
) != 0) {
132 printf("Error: Image has to be gzipp'ed!\n");
136 status
= fpga_boot(dst
, len
);
138 printf("\nFPGA: Booting failed ");
140 case ERROR_FPGA_PRG_INIT_LOW
:
141 printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
143 case ERROR_FPGA_PRG_INIT_HIGH
:
144 printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
146 case ERROR_FPGA_PRG_DONE
:
147 printf("(Timeout: DONE not high after programming FPGA)\n ");
151 /* display infos on fpgaimage */
153 for (i
=0; i
<4; i
++) {
155 printf("FPGA: %s\n", &(dst
[index
+1]));
160 for (i
=5; i
>0; i
--) {
161 printf("Rebooting in %2d seconds \r",i
);
162 for (index
=0;index
<1000;index
++)
166 do_reset(NULL
, 0, 0, NULL
);
171 /* display infos on fpgaimage */
173 for (i
=0; i
<4; i
++) {
175 printf("%s ", &(dst
[index
+1]));
185 GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_FPGA_RESET
);
187 GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_FPGA_RESET
);
192 int do_fpga(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
197 return cmd_usage(cmdtp
);
199 addr
= simple_strtoul(argv
[1], NULL
, 16);
201 return do_fpga_boot((unsigned char *)addr
);
207 "address size\n - boot FPGA with gzipped image at <address>"
210 #if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
211 extern struct pci_controller hose
;
212 extern void pci_ixp_init(struct pci_controller
* hose
);
214 void pci_init_board(void)
216 extern void pci_ixp_init (struct pci_controller
*hose
);