diff options
Diffstat (limited to 'arch/arm/mach-uniphier/support_card.c')
| -rw-r--r-- | arch/arm/mach-uniphier/support_card.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/arch/arm/mach-uniphier/support_card.c b/arch/arm/mach-uniphier/support_card.c deleted file mode 100644 index f833306030..0000000000 --- a/arch/arm/mach-uniphier/support_card.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * Copyright (C) 2012-2015 Masahiro Yamada <yamada.masahiro@socionext.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <linux/ctype.h> -#include <linux/io.h> -#include <mach/micro-support-card.h> - -#define MICRO_SUPPORT_CARD_RESET \ - ((CONFIG_SUPPORT_CARD_BASE) + 0x000D0034) -#define 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, MICRO_SUPPORT_CARD_RESET); -} - -void support_card_reset(void) -{ - writel(3, MICRO_SUPPORT_CARD_RESET); -} - -static int support_card_show_revision(void) -{ - u32 revision; - - revision = readl(MICRO_SUPPORT_CARD_REVISION); - printf("(CPLD version %d.%d)\n", revision >> 4, revision & 0xf); - return 0; -} - -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) - * Fortunately, 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 <mach/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; -} - -/* {address, size} */ -static const struct memory_bank memory_banks[] = { - {0x42000000, 0x01f00000}, -}; - -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; - - memory_bank = memory_banks; - end = memory_bank + ARRAY_SIZE(memory_banks); - - 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 /* CONFIG_SYS_NO_FLASH */ -void detect_num_flash_banks(void) -{ -}; -#endif /* CONFIG_SYS_NO_FLASH */ - -void support_card_late_init(void) -{ - detect_num_flash_banks(); -} - -static const u8 ledval_num[] = { - 0x7e, /* 0 */ - 0x0c, /* 1 */ - 0xb6, /* 2 */ - 0x9e, /* 3 */ - 0xcc, /* 4 */ - 0xda, /* 5 */ - 0xfa, /* 6 */ - 0x4e, /* 7 */ - 0xfe, /* 8 */ - 0xde, /* 9 */ -}; - -static const u8 ledval_alpha[] = { - 0xee, /* A */ - 0xf8, /* B */ - 0x72, /* C */ - 0xbc, /* D */ - 0xf2, /* E */ - 0xe2, /* F */ - 0x7a, /* G */ - 0xe8, /* H */ - 0x08, /* I */ - 0x3c, /* J */ - 0xea, /* K */ - 0x70, /* L */ - 0x6e, /* M */ - 0xa8, /* N */ - 0xb8, /* O */ - 0xe6, /* P */ - 0xce, /* Q */ - 0xa0, /* R */ - 0xc8, /* S */ - 0x8c, /* T */ - 0x7c, /* U */ - 0x54, /* V */ - 0xfc, /* W */ - 0xec, /* X */ - 0xdc, /* Y */ - 0xa4, /* Z */ -}; - -static u8 char2ledval(char c) -{ - if (isdigit(c)) - return ledval_num[c - '0']; - else if (isalpha(c)) - return ledval_alpha[toupper(c) - 'A']; - - return 0; -} - -void led_puts(const char *s) -{ - int i; - u32 val = 0; - - if (!s) - return; - - for (i = 0; i < 4; i++) { - val <<= 8; - val |= char2ledval(*s); - if (*s != '\0') - s++; - } - - writel(~val, CONFIG_SUPPORT_CARD_LED_BASE); -} |
