summaryrefslogtreecommitdiff
path: root/board
diff options
context:
space:
mode:
authorTom Rini <[email protected]>2022-03-18 16:37:39 -0400
committerTom Rini <[email protected]>2022-03-18 16:37:39 -0400
commit9776c4e9d00ac49d6388ffe9e084ff03b37ae479 (patch)
tree1caed0c41ab5ba2c4a1772f4a5534d20ca7af579 /board
parente7fb67df319cec410c20906bbf33936a6f7479b2 (diff)
parent861682b596b81f988d522edd4c1c76341de112a2 (diff)
Merge tag 'u-boot-rockchip-20220318' of https://source.denx.de/u-boot/custodians/u-boot-rockchip
- Fix for chromebook gru and bob board; - some fix on driver like dram and saradc;
Diffstat (limited to 'board')
-rw-r--r--board/google/gru/Kconfig16
-rw-r--r--board/google/gru/MAINTAINERS8
-rw-r--r--board/google/gru/gru.c54
3 files changed, 77 insertions, 1 deletions
diff --git a/board/google/gru/Kconfig b/board/google/gru/Kconfig
index 61f7bbca989..1455e1481dc 100644
--- a/board/google/gru/Kconfig
+++ b/board/google/gru/Kconfig
@@ -13,3 +13,19 @@ config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
endif
+
+if TARGET_CHROMEBOOK_KEVIN
+
+config SYS_BOARD
+ default "gru"
+
+config SYS_VENDOR
+ default "google"
+
+config SYS_CONFIG_NAME
+ default "gru"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+ def_bool y
+
+endif
diff --git a/board/google/gru/MAINTAINERS b/board/google/gru/MAINTAINERS
index e1cda756b8c..53257c52a04 100644
--- a/board/google/gru/MAINTAINERS
+++ b/board/google/gru/MAINTAINERS
@@ -4,3 +4,11 @@ S: Maintained
F: board/google/gru/
F: include/configs/gru.h
F: configs/chromebook_bob_defconfig
+
+CHROMEBOOK KEVIN BOARD
+M: Simon Glass <[email protected]>
+M: Alper Nebi Yasak <[email protected]>
+S: Maintained
+F: board/google/gru/
+F: include/configs/gru.h
+F: configs/chromebook_kevin_defconfig
diff --git a/board/google/gru/gru.c b/board/google/gru/gru.c
index 23080c1798b..fbcf845e87d 100644
--- a/board/google/gru/gru.c
+++ b/board/google/gru/gru.c
@@ -6,6 +6,17 @@
#include <common.h>
#include <dm.h>
#include <init.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/grf_rk3399.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/misc.h>
+
+#define GRF_IO_VSEL_BT656_SHIFT 0
+#define GRF_IO_VSEL_AUDIO_SHIFT 1
+#define PMUGRF_CON0_VSEL_SHIFT 8
+#define PMUGRF_CON0_VOL_SHIFT 9
#ifdef CONFIG_SPL_BUILD
/* provided to defeat compiler optimisation in board_init_f() */
@@ -15,7 +26,7 @@ void gru_dummy_function(int i)
int board_early_init_f(void)
{
-# ifdef CONFIG_TARGET_CHROMEBOOK_BOB
+# if defined(CONFIG_TARGET_CHROMEBOOK_BOB) || defined(CONFIG_TARGET_CHROMEBOOK_KEVIN)
int sum, i;
/*
@@ -54,3 +65,44 @@ int board_early_init_r(void)
return 0;
}
#endif
+
+static void setup_iodomain(void)
+{
+ struct rk3399_grf_regs *grf =
+ syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+ struct rk3399_pmugrf_regs *pmugrf =
+ syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
+
+ /* BT656 and audio is in 1.8v domain */
+ rk_setreg(&grf->io_vsel, (1 << GRF_IO_VSEL_BT656_SHIFT |
+ 1 << GRF_IO_VSEL_AUDIO_SHIFT));
+
+ /*
+ * Set GPIO1 1.8v/3.0v source select to PMU1830_VOL
+ * and explicitly configure that PMU1830_VOL to be 1.8V
+ */
+ rk_setreg(&pmugrf->soc_con0, (1 << PMUGRF_CON0_VSEL_SHIFT |
+ 1 << PMUGRF_CON0_VOL_SHIFT));
+}
+
+int misc_init_r(void)
+{
+ const u32 cpuid_offset = 0x7;
+ const u32 cpuid_length = 0x10;
+ u8 cpuid[cpuid_length];
+ int ret;
+
+ setup_iodomain();
+
+ ret = rockchip_cpuid_from_efuse(cpuid_offset, cpuid_length, cpuid);
+ if (ret)
+ return ret;
+
+ ret = rockchip_cpuid_set(cpuid, cpuid_length);
+ if (ret)
+ return ret;
+
+ ret = rockchip_setup_macaddr();
+
+ return ret;
+}