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@@ -83,6 +83,12 @@ static int support_card_show_revision(void)
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}
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}
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#endif
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#endif
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+int check_support_card(void)
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+{
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+ printf("SC: Micro Support Card ");
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+ return support_card_show_revision();
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+}
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+
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void support_card_init(void)
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void support_card_init(void)
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{
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{
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/*
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/*
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@@ -94,12 +100,6 @@ void support_card_init(void)
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support_card_reset_deassert();
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support_card_reset_deassert();
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}
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}
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-int check_support_card(void)
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-{
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- printf("SC: Micro Support Card ");
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- return support_card_show_revision();
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-}
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-
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#if defined(CONFIG_SMC911X)
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#if defined(CONFIG_SMC911X)
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#include <netdev.h>
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#include <netdev.h>
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@@ -112,18 +112,14 @@ int board_eth_init(bd_t *bis)
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#if !defined(CONFIG_SYS_NO_FLASH)
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#if !defined(CONFIG_SYS_NO_FLASH)
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#include <mtd/cfi_flash.h>
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#include <mtd/cfi_flash.h>
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+#include <asm/arch/sbc-regs.h>
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-#if CONFIG_SYS_MAX_FLASH_BANKS > 1
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-static phys_addr_t flash_banks_list[CONFIG_SYS_MAX_FLASH_BANKS] =
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- CONFIG_SYS_FLASH_BANKS_LIST;
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+struct memory_bank {
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+ phys_addr_t base;
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+ unsigned long size;
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+};
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-phys_addr_t cfi_flash_bank_addr(int i)
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-{
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- return flash_banks_list[i];
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-}
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-#endif
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-
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-int mem_is_flash(phys_addr_t base)
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+static int mem_is_flash(const struct memory_bank *mem)
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{
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{
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const int loop = 128;
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const int loop = 128;
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u32 *scratch_addr;
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u32 *scratch_addr;
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@@ -131,8 +127,9 @@ int mem_is_flash(phys_addr_t base)
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int ret = 1;
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int ret = 1;
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int i;
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int i;
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- scratch_addr = map_physmem(base + 0x01e00000,
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- sizeof(u32) * loop, MAP_NOCACHE);
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+ /* just in case, use the tail of the memory bank */
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+ scratch_addr = map_physmem(mem->base + mem->size - sizeof(u32) * loop,
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+ sizeof(u32) * loop, MAP_NOCACHE);
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for (i = 0; i < loop; i++, scratch_addr++) {
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for (i = 0; i < loop; i++, scratch_addr++) {
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saved_value = readl(scratch_addr);
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saved_value = readl(scratch_addr);
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@@ -150,31 +147,79 @@ int mem_is_flash(phys_addr_t base)
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return ret;
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return ret;
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}
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}
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-int board_flash_wp_on(void)
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+#if defined(CONFIG_PFC_MICRO_SUPPORT_CARD)
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+ /* {address, size} */
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+static const struct memory_bank memory_banks_boot_swap_off[] = {
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+ {0x02000000, 0x01f00000},
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+};
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+
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+static const struct memory_bank memory_banks_boot_swap_on[] = {
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+ {0x00000000, 0x01f00000},
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+};
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+#endif
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+
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+#if defined(CONFIG_DCC_MICRO_SUPPORT_CARD)
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+static const struct memory_bank memory_banks_boot_swap_off[] = {
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+ {0x04000000, 0x04000000},
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+};
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+
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+static const struct memory_bank memory_banks_boot_swap_on[] = {
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+ {0x00000000, 0x04000000},
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+ {0x04000000, 0x04000000},
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+};
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+#endif
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+
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+static const struct memory_bank
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+*flash_banks_list[CONFIG_SYS_MAX_FLASH_BANKS_DETECT];
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+
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+phys_addr_t cfi_flash_bank_addr(int i)
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{
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{
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- int i;
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- int ret = 1;
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+ return flash_banks_list[i]->base;
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+}
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- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
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- if (mem_is_flash(cfi_flash_bank_addr(i))) {
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- /*
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- * We found at least one flash.
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- * We need to return 0 and call flash_init().
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- */
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- ret = 0;
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- }
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-#if CONFIG_SYS_MAX_FLASH_BANKS > 1
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- else {
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- /*
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- * We might have a SRAM here.
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- * To prevent SRAM data from being destroyed,
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- * we set dummy address (SDRAM).
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- */
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- flash_banks_list[i] = 0x80000000 + 0x10000 * i;
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+unsigned long cfi_flash_bank_size(int i)
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+{
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+ return flash_banks_list[i]->size;
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+}
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+
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+static void detect_num_flash_banks(void)
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+{
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+ const struct memory_bank *memory_bank, *end;
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+
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+ cfi_flash_num_flash_banks = 0;
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+
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+ if (boot_is_swapped()) {
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+ memory_bank = memory_banks_boot_swap_on;
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+ end = memory_bank + ARRAY_SIZE(memory_banks_boot_swap_on);
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+ } else {
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+ memory_bank = memory_banks_boot_swap_off;
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+ end = memory_bank + ARRAY_SIZE(memory_banks_boot_swap_off);
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+ }
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+
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+ for (; memory_bank < end; memory_bank++) {
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+ if (cfi_flash_num_flash_banks >=
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+ CONFIG_SYS_MAX_FLASH_BANKS_DETECT)
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+ break;
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+
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+ if (mem_is_flash(memory_bank)) {
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+ flash_banks_list[cfi_flash_num_flash_banks] =
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+ memory_bank;
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+
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+ debug("flash bank found: base = 0x%lx, size = 0x%lx\n",
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+ memory_bank->base, memory_bank->size);
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+ cfi_flash_num_flash_banks++;
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}
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}
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-#endif
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}
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}
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- return ret;
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+ debug("number of flash banks: %d\n", cfi_flash_num_flash_banks);
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+}
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+#else /* ONFIG_SYS_NO_FLASH */
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+void detect_num_flash_banks(void)
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+{
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+};
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+#endif /* ONFIG_SYS_NO_FLASH */
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+
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+void support_card_late_init(void)
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+{
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+ detect_num_flash_banks();
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}
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}
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-#endif
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