+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2010-2011 Calxeda, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#define HB_AHCI_BASE 0xffe08000
+#define HB_SCU_A9_PWR_STATUS 0xfff10008
#define HB_SREG_A9_PWR_REQ 0xfff3cf00
#define HB_SREG_A9_BOOT_SRC_STAT 0xfff3cf04
#define HB_SREG_A9_PWRDOM_STAT 0xfff3cf20
+#define HB_SREG_A15_PWR_CTRL 0xfff3c200
#define HB_PWR_SUSPEND 0
#define HB_PWR_SOFT_RESET 1
#define PWRDOM_STAT_PCI 0x40000000
#define PWRDOM_STAT_EMMC 0x20000000
+#define HB_SCU_A9_PWR_NORMAL 0
+#define HB_SCU_A9_PWR_DORMANT 2
+#define HB_SCU_A9_PWR_OFF 3
+
DECLARE_GLOBAL_DATA_PTR;
+void cphy_disable_overrides(void);
+
/*
* Miscellaneous platform dependent initialisations
*/
{
u32 reg = readl(HB_SREG_A9_PWRDOM_STAT);
+ cphy_disable_overrides();
if (reg & PWRDOM_STAT_SATA) {
ahci_init((void __iomem *)HB_AHCI_BASE);
- scsi_scan(1);
+ scsi_scan(true);
}
}
#endif
boot_choice = readl(HB_SREG_A9_BOOT_SRC_STAT) & 0xff;
sprintf(envbuffer, "bootcmd%d", boot_choice);
- if (getenv(envbuffer)) {
+ if (env_get(envbuffer)) {
sprintf(envbuffer, "run bootcmd%d", boot_choice);
- setenv("bootcmd", envbuffer);
+ env_set("bootcmd", envbuffer);
} else
- setenv("bootcmd", "");
+ env_set("bootcmd", "");
return 0;
}
return 0;
}
-void dram_init_banksize(void)
-{
- gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
-}
-
#if defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *fdt, bd_t *bd)
{
}
#endif
+static int is_highbank(void)
+{
+ uint32_t midr;
+
+ asm volatile ("mrc p15, 0, %0, c0, c0, 0\n" : "=r"(midr));
+
+ return (midr & 0xfff0) == 0xc090;
+}
+
void reset_cpu(ulong addr)
{
writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ);
+ if (is_highbank())
+ writeb(HB_SCU_A9_PWR_OFF, HB_SCU_A9_PWR_STATUS);
+ else
+ writel(0x1, HB_SREG_A15_PWR_CTRL);
wfi();
}
+
+/*
+ * turn off the override before transferring control to Linux, since Linux
+ * may not support spread spectrum.
+ */
+void arch_preboot_os(void)
+{
+ cphy_disable_overrides();
+}