#define IH_ARCH_DEFAULT IH_ARCH_AVR32
int arch_cpu_init(void);
+int dram_init(void);
#endif /* __ASM_U_BOOT_H__ */
obj-y += board.o
obj-$(CONFIG_CMD_BOOTM) += bootm.o
obj-y += interrupts.o
+obj-y += dram_init.o
unsigned long monitor_flash_len;
+__weak void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = gd->ram_size;
+}
+
/* Weak aliases for optional board functions */
static int __do_nothing(void)
{
unsigned long monitor_len;
unsigned long monitor_addr;
unsigned long addr;
- long sdram_size;
/* Initialize the global data pointer */
memset(&gd_data, 0, sizeof(gd_data));
serial_init();
console_init_f();
display_banner();
- sdram_size = initdram(board_type);
+ dram_init();
/* If we have no SDRAM, we can't go on */
- if (sdram_size <= 0)
+ if (gd->ram_size <= 0)
panic("No working SDRAM available\n");
/*
* - global data struct
* - stack
*/
- addr = CONFIG_SYS_SDRAM_BASE + sdram_size;
+ addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
monitor_len = (char *)(&__bss_end) - _text;
/*
*(--new_sp) = 0;
*(--new_sp) = 0;
- /*
- * Initialize the board information struct with the
- * information we have.
- */
- bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
- bd->bi_dram[0].size = sdram_size;
+ dram_init_banksize();
memcpy(new_gd, gd, sizeof(gd_t));
--- /dev/null
+/*
+ * Copyright (C) 2015 Andreas Bießmann <andreas.devel@googlemail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+ /* check for the maximum amount of memory possible on AP7000 devices */
+ gd->ram_size = get_ram_size(
+ (void *)CONFIG_SYS_SDRAM_BASE,
+ (256<<20));
+ return 0;
+}
hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
portmux_enable_ebi(16, 23, 0, PORTMUX_DRIVE_HIGH);
+ sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
portmux_enable_usart1(PORTMUX_DRIVE_MIN);
#if defined(CONFIG_MACB)
return 0;
}
-phys_size_t initdram(int board_type)
-{
- unsigned long expected_size;
- unsigned long actual_size;
- void *sdram_base;
-
- sdram_base = uncached(EBI_SDRAM_BASE);
-
- expected_size = sdram_init(sdram_base, &sdram_config);
- actual_size = get_ram_size(sdram_base, expected_size);
-
- if (expected_size != actual_size)
- printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
- actual_size >> 20, expected_size >> 20);
-
- return actual_size;
-}
-
int board_early_init_r(void)
{
gd->bd->bi_phy_id[0] = 0x01;
portmux_select_gpio(PORTMUX_PORT_E, 1 << 23,
PORTMUX_DIR_OUTPUT | PORTMUX_INIT_HIGH
| PORTMUX_DRIVE_MIN);
+
+ sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
portmux_enable_usart1(PORTMUX_DRIVE_MIN);
#if defined(CONFIG_MACB)
return 0;
}
-phys_size_t initdram(int board_type)
-{
- unsigned long expected_size;
- unsigned long actual_size;
- void *sdram_base;
-
- sdram_base = uncached(EBI_SDRAM_BASE);
-
- expected_size = sdram_init(sdram_base, &sdram_config);
- actual_size = get_ram_size(sdram_base, expected_size);
-
- if (expected_size != actual_size)
- printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
- actual_size >> 20, expected_size >> 20);
-
- return actual_size;
-}
-
int board_early_init_r(void)
{
gd->bd->bi_phy_id[0] = 0x01;
hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
portmux_enable_ebi(sdram_config.data_bits, 23, 0, PORTMUX_DRIVE_HIGH);
+ sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
portmux_enable_usart1(PORTMUX_DRIVE_MIN);
+
#if defined(CONFIG_MACB)
portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW);
portmux_enable_macb1(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW);
return 0;
}
-phys_size_t initdram(int board_type)
-{
- unsigned long expected_size;
- unsigned long actual_size;
- void *sdram_base;
-
- sdram_base = uncached(EBI_SDRAM_BASE);
-
- expected_size = sdram_init(sdram_base, &sdram_config);
- actual_size = get_ram_size(sdram_base, expected_size);
-
- if (expected_size != actual_size)
- printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
- actual_size >> 20, expected_size >> 20);
-
- return actual_size;
-}
-
int board_early_init_r(void)
{
gd->bd->bi_phy_id[0] = 0x10;
hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
portmux_enable_ebi(32, 23, 0, PORTMUX_DRIVE_HIGH);
+
+ sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
portmux_enable_usart3(PORTMUX_DRIVE_MIN);
#if defined(CONFIG_MACB)
portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH);
return 0;
}
-phys_size_t initdram(int board_type)
-{
- unsigned long expected_size;
- unsigned long actual_size;
- void *sdram_base;
-
- sdram_base = uncached(EBI_SDRAM_BASE);
-
- expected_size = sdram_init(sdram_base, &sdram_config);
- actual_size = get_ram_size(sdram_base, expected_size);
-
- if (expected_size != actual_size)
- printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
- actual_size >> 20, expected_size >> 20);
-
- return actual_size;
-}
-
int board_early_init_r(void)
{
gd->bd->bi_phy_id[0] = 0x01;
hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
portmux_enable_ebi(SDRAM_DATA_32BIT, 23, 0, PORTMUX_DRIVE_HIGH);
+ sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
portmux_enable_usart0(PORTMUX_DRIVE_MIN);
portmux_enable_usart1(PORTMUX_DRIVE_MIN);
#if defined(CONFIG_MACB)
return 0;
}
-phys_size_t initdram(int board_type)
-{
- unsigned long expected_size;
- unsigned long actual_size;
- void *sdram_base;
-
- sdram_base = uncached(EBI_SDRAM_BASE);
-
- expected_size = sdram_init(sdram_base, &sdram_config);
- actual_size = get_ram_size(sdram_base, expected_size);
-
- if (expected_size != actual_size)
- printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
- actual_size >> 20, expected_size >> 20);
-
- return actual_size;
-}
-
int board_early_init_r(void)
{
gd->bd->bi_phy_id[0] = 0x00;
/* Enable 26 address bits and NCS2 */
portmux_enable_ebi(16, 26, PORTMUX_EBI_CS(2), PORTMUX_DRIVE_HIGH);
+ sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
portmux_enable_usart1(PORTMUX_DRIVE_MIN);
/* de-assert "force sys reset" pin */
return 0;
}
-phys_size_t initdram(int board_type)
-{
- unsigned long expected_size;
- unsigned long actual_size;
- void *sdram_base;
-
- sdram_base = uncached(EBI_SDRAM_BASE);
-
- expected_size = sdram_init(sdram_base, &sdram_config);
- actual_size = get_ram_size(sdram_base, expected_size);
-
- if (expected_size != actual_size)
- printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
- actual_size >> 20, expected_size >> 20);
-
- return actual_size;
-}
-
int board_early_init_r(void)
{
gd->bd->bi_phy_id[0] = 0x01;
hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
portmux_enable_ebi(32, 23, 0, PORTMUX_DRIVE_HIGH);
+ sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config);
+
portmux_enable_usart1(PORTMUX_DRIVE_MIN);
#if defined(CONFIG_MACB)
return 0;
}
-phys_size_t initdram(int board_type)
-{
- unsigned long expected_size;
- unsigned long actual_size;
- void *sdram_base;
-
- sdram_base = uncached(EBI_SDRAM_BASE);
-
- expected_size = sdram_init(sdram_base, &sdram_config);
- actual_size = get_ram_size(sdram_base, expected_size);
-
- if (expected_size != actual_size)
- printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
- actual_size >> 20, expected_size >> 20);
-
- return actual_size;
-}
-
int board_early_init_r(void)
{
gd->bd->bi_phy_id[0] = 0x01;