diff options
Diffstat (limited to 'arch/arm/cpu/armv7/uniphier/support_card.c')
| -rw-r--r-- | arch/arm/cpu/armv7/uniphier/support_card.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/support_card.c b/arch/arm/cpu/armv7/uniphier/support_card.c deleted file mode 100644 index 443224c451..0000000000 --- a/arch/arm/cpu/armv7/uniphier/support_card.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - * Copyright (C) 2012-2014 Panasonic Corporation - * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/board.h> - -#if defined(CONFIG_PFC_MICRO_SUPPORT_CARD) - -#define PFC_MICRO_SUPPORT_CARD_RESET \ - ((CONFIG_SUPPORT_CARD_BASE) + 0x000D0034) -#define PFC_MICRO_SUPPORT_CARD_REVISION \ - ((CONFIG_SUPPORT_CARD_BASE) + 0x000D00E0) -/* - * 0: reset deassert, 1: reset - * - * bit[0]: LAN, I2C, LED - * bit[1]: UART - */ -void support_card_reset_deassert(void) -{ - writel(0, PFC_MICRO_SUPPORT_CARD_RESET); -} - -void support_card_reset(void) -{ - writel(3, PFC_MICRO_SUPPORT_CARD_RESET); -} - -static int support_card_show_revision(void) -{ - u32 revision; - - revision = readl(PFC_MICRO_SUPPORT_CARD_REVISION); - printf("(PFC CPLD version %d.%d)\n", revision >> 4, revision & 0xf); - return 0; -} -#endif - -#if defined(CONFIG_DCC_MICRO_SUPPORT_CARD) - -#define DCC_MICRO_SUPPORT_CARD_RESET_LAN \ - ((CONFIG_SUPPORT_CARD_BASE) + 0x00401300) -#define DCC_MICRO_SUPPORT_CARD_RESET_UART \ - ((CONFIG_SUPPORT_CARD_BASE) + 0x00401304) -#define DCC_MICRO_SUPPORT_CARD_RESET_I2C \ - ((CONFIG_SUPPORT_CARD_BASE) + 0x00401308) -#define DCC_MICRO_SUPPORT_CARD_REVISION \ - ((CONFIG_SUPPORT_CARD_BASE) + 0x005000E0) - -void support_card_reset_deassert(void) -{ - writel(1, DCC_MICRO_SUPPORT_CARD_RESET_LAN); /* LAN and LED */ - writel(1, DCC_MICRO_SUPPORT_CARD_RESET_UART); /* UART */ - writel(1, DCC_MICRO_SUPPORT_CARD_RESET_I2C); /* I2C */ -} - -void support_card_reset(void) -{ - writel(0, DCC_MICRO_SUPPORT_CARD_RESET_LAN); /* LAN and LED */ - writel(0, DCC_MICRO_SUPPORT_CARD_RESET_UART); /* UART */ - writel(0, DCC_MICRO_SUPPORT_CARD_RESET_I2C); /* I2C */ -} - -static int support_card_show_revision(void) -{ - u32 revision; - - revision = readl(DCC_MICRO_SUPPORT_CARD_REVISION); - - if (revision >= 0x67) { - printf("(DCC CPLD version 3.%d.%d)\n", - revision >> 4, revision & 0xf); - return 0; - } else { - printf("(DCC CPLD unknown version)\n"); - return -1; - } -} -#endif - -int check_support_card(void) -{ - printf("SC: Micro Support Card "); - return support_card_show_revision(); -} - -void support_card_init(void) -{ - /* - * After power on, we need to keep the LAN controller in reset state - * for a while. (200 usec) - * Fortunatelly, enough wait time is already inserted in pll_init() - * function. So we do not have to wait here. - */ - support_card_reset_deassert(); -} - -#if defined(CONFIG_SMC911X) -#include <netdev.h> - -int board_eth_init(bd_t *bis) -{ - return smc911x_initialize(0, CONFIG_SMC911X_BASE); -} -#endif - -#if !defined(CONFIG_SYS_NO_FLASH) - -#include <mtd/cfi_flash.h> -#include <asm/arch/sbc-regs.h> - -struct memory_bank { - phys_addr_t base; - unsigned long size; -}; - -static int mem_is_flash(const struct memory_bank *mem) -{ - const int loop = 128; - u32 *scratch_addr; - u32 saved_value; - int ret = 1; - int i; - - /* just in case, use the tail of the memory bank */ - scratch_addr = map_physmem(mem->base + mem->size - sizeof(u32) * loop, - sizeof(u32) * loop, MAP_NOCACHE); - - for (i = 0; i < loop; i++, scratch_addr++) { - saved_value = readl(scratch_addr); - writel(~saved_value, scratch_addr); - if (readl(scratch_addr) != saved_value) { - /* We assume no memory or SRAM here. */ - writel(saved_value, scratch_addr); - ret = 0; - break; - } - } - - unmap_physmem(scratch_addr, MAP_NOCACHE); - - return ret; -} - -#if defined(CONFIG_PFC_MICRO_SUPPORT_CARD) - /* {address, size} */ -static const struct memory_bank memory_banks_boot_swap_off[] = { - {0x02000000, 0x01f00000}, -}; - -static const struct memory_bank memory_banks_boot_swap_on[] = { - {0x00000000, 0x01f00000}, -}; -#endif - -#if defined(CONFIG_DCC_MICRO_SUPPORT_CARD) -static const struct memory_bank memory_banks_boot_swap_off[] = { - {0x04000000, 0x02000000}, -}; - -static const struct memory_bank memory_banks_boot_swap_on[] = { - {0x00000000, 0x02000000}, - {0x04000000, 0x02000000}, -}; -#endif - -static const struct memory_bank -*flash_banks_list[CONFIG_SYS_MAX_FLASH_BANKS_DETECT]; - -phys_addr_t cfi_flash_bank_addr(int i) -{ - return flash_banks_list[i]->base; -} - -unsigned long cfi_flash_bank_size(int i) -{ - return flash_banks_list[i]->size; -} - -static void detect_num_flash_banks(void) -{ - const struct memory_bank *memory_bank, *end; - - cfi_flash_num_flash_banks = 0; - - if (boot_is_swapped()) { - memory_bank = memory_banks_boot_swap_on; - end = memory_bank + ARRAY_SIZE(memory_banks_boot_swap_on); - } else { - memory_bank = memory_banks_boot_swap_off; - end = memory_bank + ARRAY_SIZE(memory_banks_boot_swap_off); - } - - for (; memory_bank < end; memory_bank++) { - if (cfi_flash_num_flash_banks >= - CONFIG_SYS_MAX_FLASH_BANKS_DETECT) - break; - - if (mem_is_flash(memory_bank)) { - flash_banks_list[cfi_flash_num_flash_banks] = - memory_bank; - - debug("flash bank found: base = 0x%lx, size = 0x%lx\n", - memory_bank->base, memory_bank->size); - cfi_flash_num_flash_banks++; - } - } - - debug("number of flash banks: %d\n", cfi_flash_num_flash_banks); -} -#else /* ONFIG_SYS_NO_FLASH */ -void detect_num_flash_banks(void) -{ -}; -#endif /* ONFIG_SYS_NO_FLASH */ - -void support_card_late_init(void) -{ - detect_num_flash_banks(); -} |
