Triggered by command line arguments.
Signed-off-by: Luc Verhaegen <l...@skynet.be>
---
meminfo.c | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 86 insertions(+), 1 deletions(-)
diff --git a/meminfo.c b/meminfo.c
index a01ff0a..fa8787e 100644
--- a/meminfo.c
+++ b/meminfo.c
@@ -23,6 +23,7 @@
#include <stdint.h>
#include <errno.h>
#include <sys/io.h>
+#include <stdbool.h>
typedef uint32_t u32;
@@ -307,12 +308,85 @@ dram_para_print_uboot(struct dram_para *dram_para)
printf("}\n");
}
+/*
+ * Print output matching the .fex output, so it can be stuck in a
+ * fex file directly.
+ */
+void
+dram_para_print_fex(struct dram_para *dram_para)
+{
+ printf("; Insert this section into your .fex file\n");
+ printf("[dram_para]\n");
+ printf("dram_baseaddr = 0x40000000\n");
+ printf("dram_clk = %d\n", dram_para->clock);
+ printf("dram_type = %d\n", dram_para->type);
+ printf("dram_rank_num = %d\n", dram_para->rank_num);
+ printf("dram_chip_density = %d\n", dram_para->density);
+ printf("dram_io_width = %d\n", dram_para->io_width);
+ printf("dram_bus_width = %d\n", dram_para->bus_width);
+ printf("dram_cas = %d\n", dram_para->cas);
+ printf("dram_zq = 0x%02x\n", dram_para->zq);
+ printf("dram_odt_en = %d\n", dram_para->odt_en);
+ printf("dram_size = !!! FIXME !!!\n");
+ printf("dram_tpr0 = 0x%08x\n", dram_para->tpr0);
+ printf("dram_tpr1 = 0x%04x\n", dram_para->tpr1);
+ printf("dram_tpr2 = 0x%05x\n", dram_para->tpr2);
+ printf("dram_tpr3 = 0x%02x\n", dram_para->tpr3);
+ printf("dram_tpr4 = 0x%02x\n", dram_para->tpr4);
+ printf("dram_tpr5 = 0x%02x\n", dram_para->tpr5);
+ printf("dram_emr1 = 0x%02x\n", dram_para->emr1);
+ printf("dram_emr2 = 0x%02x\n", dram_para->emr2);
+ printf("dram_emr3 = 0x%02x\n", dram_para->emr3);
+}
+
+static void
+print_usage(const char *name)
+{
+ printf("Utility to retrieve DRAM information from registers on "
+ "Allwinner SoCs.\n");
+ printf("\n");
+ printf("This is part of the sunxi-tools package from the sunxi "
+ "project. ");
+ printf("For more \ninformation visit "
+ "http://linux-sunxi.org/Sunxi-tools.\n";);
+ printf("\n");
+ printf("Usage: %s [OPTION]\n", name);
+ printf("\n");
+ printf("Options:\n");
+ printf(" -f: print in FEX format (default).\n");
+ printf(" -u: print in sunxi U-Boot dram.c file format.\n");
+ printf(" -h: print this usage information.\n");
+}
+
int
main(int argc, char *argv[])
{
struct dram_para dram_para = {0};
+ bool uboot;
int ret;
+ if (argc == 2) {
+ if (argv[1][0] == '-') {
+ if (argv[1][1] == 'f')
+ uboot = false;
+ else if (argv[1][1] == 'u')
+ uboot = true;
+ else if (argv[1][1] == 'h')
+ goto help;
+ else if ((argv[1][1] == '-') && (argv[1][2] == 'h'))
+ goto help;
+ else
+ goto usage;
+
+ if (argv[1][2] != 0)
+ goto usage;
+ } else
+ goto usage;
+ } else if (argc == 1)
+ uboot = false;
+ else
+ goto usage;
+
devmem_fd = open(DEVMEM_FILE, O_RDWR);
if (devmem_fd == -1) {
fprintf(stderr, "Error: failed to open %s: %s\n", DEVMEM_FILE,
@@ -335,7 +409,18 @@ main(int argc, char *argv[])
if (ret)
return ret;
- dram_para_print_uboot(&dram_para);
+ if (uboot)
+ dram_para_print_uboot(&dram_para);
+ else
+ dram_para_print_fex(&dram_para);
+
+ return 0;
+ usage:
+ fprintf(stderr, "Error: wrong argument(s).\n");
+ print_usage(argv[0]);
+ return EINVAL;
+ help:
+ print_usage(argv[0]);
return 0;
}
--
1.7.7
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