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51 lines
1.9 KiB
Diff
51 lines
1.9 KiB
Diff
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From d9666553a10ea85ea64e3e8784a42167a1709ed5 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jonas.gorski@gmail.com>
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Date: Mon, 21 Nov 2011 00:48:52 +0100
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Subject: [PATCH 55/84] MIPS: BCM63XX: add flash detection for BCM6362
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Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
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---
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arch/mips/bcm63xx/dev-flash.c | 13 ++++++++++++-
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arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 1 +
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2 files changed, 13 insertions(+), 1 deletions(-)
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--- a/arch/mips/bcm63xx/dev-flash.c
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+++ b/arch/mips/bcm63xx/dev-flash.c
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@@ -100,6 +100,17 @@ static int __init bcm63xx_detect_flash_t
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return BCM63XX_FLASH_TYPE_PARALLEL;
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else
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return BCM63XX_FLASH_TYPE_SERIAL;
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+ case BCM6362_CPU_ID:
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+ val = bcm_misc_readl(MISC_STRAPBUS_6362_REG);
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+ if (val & STRAPBUS_6362_HSSPI_CLK_FAST)
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+ bcm63xx_spi_flash_info[0].max_speed_hz = 50000000;
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+ else
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+ bcm63xx_spi_flash_info[0].max_speed_hz = 20000000;
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+
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+ if (val & STRAPBUS_6362_BOOT_SEL_SERIAL)
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+ return BCM63XX_FLASH_TYPE_SERIAL;
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+ else
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+ return BCM63XX_FLASH_TYPE_NAND;
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case BCM6368_CPU_ID:
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val = bcm_gpio_readl(GPIO_STRAPBUS_REG);
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if (val & STRAPBUS_6368_SPI_CLK_FAST)
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@@ -136,7 +147,7 @@ int __init bcm63xx_flash_register(void)
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return platform_device_register(&mtd_dev);
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case BCM63XX_FLASH_TYPE_SERIAL:
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- if (BCMCPU_IS_6328())
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+ if (BCMCPU_IS_6328() || BCMCPU_IS_6362())
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bcm63xx_flash_data.max_transfer_len = HSSPI_BUFFER_LEN;
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return spi_register_board_info(bcm63xx_spi_flash_info,
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--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
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+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
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@@ -1474,6 +1474,7 @@
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#define MISC_STRAPBUS_6362_REG 0x14
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#define STRAPBUS_6362_FCVO_SHIFT 1
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+#define STRAPBUS_6362_HSSPI_CLK_FAST (1 << 13)
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#define STRAPBUS_6362_FCVO_MASK (0x1f << STRAPBUS_6362_FCVO_SHIFT)
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#define STRAPBUS_6362_BOOT_SEL_SERIAL (1 << 15)
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#define STRAPBUS_6362_BOOT_SEL_NAND (0 << 15)
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