riscv: Enable AI ram on K210

We just need to initialize all the clocks pre-reloc. The clock driver
creates a bunch of devices, so we need to increase the pre-reloc malloc
arena.

Signed-off-by: Sean Anderson <seanga2@gmail.com>

diff --git a/board/sipeed/maix/maix.c b/board/sipeed/maix/maix.c
index cbcb23c..6e58291 100644 (file)
--- a/board/sipeed/maix/maix.c
+++ b/board/sipeed/maix/maix.c
@@ -14,7 +14,7 @@ phys_size_t get_effective_memsize(void)
        return CONFIG_SYS_SDRAM_SIZE;
 }
 
-int board_init(void)
+static int sram_init(void)
 {
        int ret, i;
        const char * const banks[] = { "sram0", "sram1", "airam" };
@@ -39,3 +39,13 @@ int board_init(void)
 
        return 0;
 }
+
+int board_early_init_f(void)
+{
+       return sram_init();
+}
+
+int board_init(void)
+{
+       return 0;
+}

diff --git a/configs/sipeed_maix_bitm_defconfig b/configs/sipeed_maix_bitm_defconfig
index 210848c..bd877cd 100644 (file)
--- a/configs/sipeed_maix_bitm_defconfig
+++ b/configs/sipeed_maix_bitm_defconfig
@@ -1,4 +1,5 @@
 CONFIG_RISCV=y
+CONFIG_SYS_MALLOC_F_LEN=0x10000
 CONFIG_ENV_SIZE=0x1000
 CONFIG_ENV_OFFSET=0xfff000
 CONFIG_ENV_SECT_SIZE=0x1000
@@ -7,6 +8,7 @@ CONFIG_ARCH_RV64I=y
 CONFIG_STACK_SIZE=0x100000
 CONFIG_USE_BOOTCOMMAND=y
 CONFIG_BOOTCOMMAND="run k210_bootcmd"
+CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_HUSH_PARSER=y
 CONFIG_MTDIDS_DEFAULT="nor0=spi3:0"
 CONFIG_MTDPARTS_DEFAULT="nor0:1M(u-boot),0x1000@0xfff000(env)"

diff --git a/include/configs/sipeed-maix.h b/include/configs/sipeed-maix.h
index 4c1ff98..0fbe8a5 100644 (file)
--- a/include/configs/sipeed-maix.h
+++ b/include/configs/sipeed-maix.h
@@ -15,8 +15,7 @@
 #define CONFIG_SYS_CACHELINE_SIZE 64
 
 #define CONFIG_SYS_SDRAM_BASE 0x80000000
-/* Don't relocate into AI ram since it isn't set up yet */
-#define CONFIG_SYS_SDRAM_SIZE (SZ_4M + SZ_2M)
+#define CONFIG_SYS_SDRAM_SIZE SZ_8M
 
 #ifndef CONFIG_EXTRA_ENV_SETTINGS
 #define CONFIG_EXTRA_ENV_SETTINGS \