mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-06 03:06:16 +09:00
e27d6c7d32
Currently, uniphier_get_soc_type() converts the SoC ID (this is read from the revision register) to an enum symbol to use it for SoC identification. Come to think of it, there is no need for the conversion in the first place. Using the SoC ID from the register as-is a straightforward way. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
/*
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* Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <debug_uart.h>
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#include <linux/io.h>
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#include <linux/serial_reg.h>
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#include "../soc-info.h"
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#include "debug-uart.h"
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#define UNIPHIER_UART_TX 0x00
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#define UNIPHIER_UART_LCR_MCR 0x10
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#define UNIPHIER_UART_LSR 0x14
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#define UNIPHIER_UART_LDR 0x24
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static void _debug_uart_putc(int c)
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{
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void __iomem *base = (void __iomem *)CONFIG_DEBUG_UART_BASE;
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while (!(readl(base + UNIPHIER_UART_LSR) & UART_LSR_THRE))
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;
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writel(c, base + UNIPHIER_UART_TX);
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}
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void _debug_uart_init(void)
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{
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void __iomem *base = (void __iomem *)CONFIG_DEBUG_UART_BASE;
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unsigned int divisor;
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switch (uniphier_get_soc_id()) {
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#if defined(CONFIG_ARCH_UNIPHIER_SLD3)
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case UNIPHIER_SLD3_ID:
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divisor = uniphier_sld3_debug_uart_init();
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break;
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#endif
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#if defined(CONFIG_ARCH_UNIPHIER_LD4)
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case UNIPHIER_LD4_ID:
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divisor = uniphier_ld4_debug_uart_init();
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break;
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#endif
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#if defined(CONFIG_ARCH_UNIPHIER_PRO4)
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case UNIPHIER_PRO4_ID:
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divisor = uniphier_pro4_debug_uart_init();
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break;
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#endif
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#if defined(CONFIG_ARCH_UNIPHIER_SLD8)
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case UNIPHIER_SLD8_ID:
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divisor = uniphier_sld8_debug_uart_init();
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break;
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#endif
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#if defined(CONFIG_ARCH_UNIPHIER_PRO5)
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case UNIPHIER_PRO5_ID:
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divisor = uniphier_pro5_debug_uart_init();
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break;
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#endif
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#if defined(CONFIG_ARCH_UNIPHIER_PXS2)
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case UNIPHIER_PXS2_ID:
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divisor = uniphier_pxs2_debug_uart_init();
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break;
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#endif
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#if defined(CONFIG_ARCH_UNIPHIER_LD6B)
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case UNIPHIER_LD6B_ID:
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divisor = uniphier_ld6b_debug_uart_init();
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break;
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#endif
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#if defined(CONFIG_ARCH_UNIPHIER_LD11) || defined(CONFIG_ARCH_UNIPHIER_LD20)
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case UNIPHIER_LD11_ID:
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case UNIPHIER_LD20_ID:
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divisor = uniphier_ld20_debug_uart_init();
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break;
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#endif
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default:
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return;
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}
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writel(UART_LCR_WLEN8 << 8, base + UNIPHIER_UART_LCR_MCR);
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writel(divisor, base + UNIPHIER_UART_LDR);
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}
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DEBUG_UART_FUNCS
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