realtek: add detection of RTL930X SoCs and RTL8313 SoC

This adds support to detect RTL930X based SoCs and the RTL9313 SoC.
Tested on Zyxel XGS1210-10 (RTL9302B SoC) and the
Zyxel XS1930-12 (RTL9313 SoC)

Signed-off-by: Birger Koblitz <git@birger-koblitz.de>

diff --git a/target/linux/realtek/files-5.4/arch/mips/rtl838x/prom.c b/target/linux/realtek/files-5.4/arch/mips/rtl838x/prom.c
index 5278afae03429918c9a9ea2b84cdc96750d8d8cc..3390c043347ef259b7a5f5f6b6c101cbada61716 100644 (file)
--- a/target/linux/realtek/files-5.4/arch/mips/rtl838x/prom.c
+++ b/target/linux/realtek/files-5.4/arch/mips/rtl838x/prom.c
@@ -66,19 +66,64 @@ static void __init prom_init_cmdline(void)
        pr_info("Kernel command line: %s\n", arcs_cmdline);
 }
 
+void __init identify_rtl9302(void)
+{
+       switch (sw_r32(RTL93XX_MODEL_NAME_INFO) & 0xfffffff0) {
+       case 0x93020810:
+               soc_info.name = "RTL9302A 12x2.5G";
+               break;
+       case 0x93021010:
+               soc_info.name = "RTL9302B 8x2.5G";
+               break;
+       case 0x93021810:
+               soc_info.name = "RTL9302C 16x2.5G";
+               break;
+       case 0x93022010:
+               soc_info.name = "RTL9302D 24x2.5G";
+               break;
+       case 0x93020800:
+               soc_info.name = "RTL9302A";
+               break;
+       case 0x93021000:
+               soc_info.name = "RTL9302B";
+               break;
+       case 0x93021800:
+               soc_info.name = "RTL9302C";
+               break;
+       case 0x93022000:
+               soc_info.name = "RTL9302D";
+               break;
+       case 0x93023001:
+               soc_info.name = "RTL9302F";
+               break;
+       default:
+               soc_info.name = "RTL9302";
+       }
+}
+
 void __init prom_init(void)
 {
        uint32_t model;
 
        /* uart0 */
-        setup_8250_early_printk_port(0xb8002000, 2, 0);
+       setup_8250_early_printk_port(0xb8002000, 2, 0);
 
-       soc_info.sw_base = RTL838X_SW_BASE;
+       model = sw_r32(RTL838X_MODEL_NAME_INFO);
+       pr_info("RTL838X model is %x\n", model);
+       model = model >> 16 & 0xFFFF;
 
-       model = sw_r32(RTL838X_MODEL_NAME_INFO) >> 16;
-       if (model != 0x8328 && model != 0x8330 && model != 0x8332 &&
-           model != 0x8380 && model != 0x8382)
-               model = sw_r32(RTL839X_MODEL_NAME_INFO) >> 16;
+       if ((model != 0x8328) && (model != 0x8330) && (model != 0x8332)
+           && (model != 0x8380) && (model != 0x8382)) {
+               model = sw_r32(RTL839X_MODEL_NAME_INFO);
+               pr_info("RTL839X model is %x\n", model);
+               model = model >> 16 & 0xFFFF;
+       }
+
+       if ((model & 0x8390) != 0x8380 && (model & 0x8390) != 0x8390) {
+               model = sw_r32(RTL93XX_MODEL_NAME_INFO);
+               pr_info("RTL93XX model is %x\n", model);
+               model = model >> 16 & 0xFFFF;
+       }
 
        soc_info.id = model;
 
@@ -115,10 +160,24 @@ void __init prom_init(void)
                soc_info.name = "RTL8393";
                soc_info.family = RTL8390_FAMILY_ID;
                break;
+       case 0x9301:
+               soc_info.name = "RTL9301";
+               soc_info.family = RTL9300_FAMILY_ID;
+               break;
+       case 0x9302:
+               identify_rtl9302();
+               soc_info.family = RTL9300_FAMILY_ID;
+               break;
+       case 0x9313:
+               soc_info.name = "RTL9313";
+               soc_info.family = RTL9310_FAMILY_ID;
+               break;
        default:
                soc_info.name = "DEFAULT";
                soc_info.family = 0;
        }
+
        pr_info("SoC Type: %s\n", get_system_type());
+
        prom_init_cmdline();
 }