MIPS: BCM47XX: Print board name in /proc/cpuinfo

Do not print the constant system type "Broadcom BCM47XX" but print the
name of the actual SoC in use and the detected board.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5839/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/bcm47xx/prom.c b/arch/mips/bcm47xx/prom.c
index 8c155afb1299e7eda1a413cf4fe4fff3e3d2f093..5cba318bc1cd8e1ce32a8535ecbf79acf1000bf5 100644 (file)
--- a/arch/mips/bcm47xx/prom.c
+++ b/arch/mips/bcm47xx/prom.c
@@ -32,12 +32,37 @@
 #include <asm/bootinfo.h>
 #include <asm/fw/cfe/cfe_api.h>
 #include <asm/fw/cfe/cfe_error.h>
+#include <bcm47xx.h>
+#include <bcm47xx_board.h>
 
 static int cfe_cons_handle;
 
+static u16 get_chip_id(void)
+{
+       switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+       case BCM47XX_BUS_TYPE_SSB:
+               return bcm47xx_bus.ssb.chip_id;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+       case BCM47XX_BUS_TYPE_BCMA:
+               return bcm47xx_bus.bcma.bus.chipinfo.id;
+#endif
+       }
+       return 0;
+}
+
 const char *get_system_type(void)
 {
-       return "Broadcom BCM47XX";
+       static char buf[50];
+       u16 chip_id = get_chip_id();
+
+       snprintf(buf, sizeof(buf),
+                (chip_id > 0x9999) ? "Broadcom BCM%d (%s)" :
+                                     "Broadcom BCM%04X (%s)",
+                chip_id, bcm47xx_board_get_name());
+
+       return buf;
 }
 
 void prom_putchar(char c)