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@@ -211,7 +211,7 @@ static inline void spear310_clk_init(void) { }
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/* array of all spear 320 clock lookups */
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#ifdef CONFIG_MACH_SPEAR320
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-#define SPEAR320_CONTROL_REG (soc_config_base + 0x0000)
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+#define SPEAR320_CONTROL_REG (soc_config_base + 0x0010)
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#define SPEAR320_EXT_CTRL_REG (soc_config_base + 0x0018)
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#define SPEAR320_UARTX_PCLK_MASK 0x1
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@@ -245,7 +245,8 @@ static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk",
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"ras_syn0_gclk", };
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static const char *uartx_parents[] = { "ras_syn1_gclk", "ras_apb_clk", };
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-static void __init spear320_clk_init(void __iomem *soc_config_base)
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+static void __init spear320_clk_init(void __iomem *soc_config_base,
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+ struct clk *ras_apb_clk)
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{
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struct clk *clk;
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@@ -342,6 +343,8 @@ static void __init spear320_clk_init(void __iomem *soc_config_base)
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SPEAR320_CONTROL_REG, UART1_PCLK_SHIFT, UART1_PCLK_MASK,
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0, &_lock);
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clk_register_clkdev(clk, NULL, "a3000000.serial");
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+ /* Enforce ras_apb_clk */
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+ clk_set_parent(clk, ras_apb_clk);
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clk = clk_register_mux(NULL, "uart2_clk", uartx_parents,
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ARRAY_SIZE(uartx_parents),
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@@ -349,6 +352,8 @@ static void __init spear320_clk_init(void __iomem *soc_config_base)
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SPEAR320_EXT_CTRL_REG, SPEAR320_UART2_PCLK_SHIFT,
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SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
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clk_register_clkdev(clk, NULL, "a4000000.serial");
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+ /* Enforce ras_apb_clk */
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+ clk_set_parent(clk, ras_apb_clk);
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clk = clk_register_mux(NULL, "uart3_clk", uartx_parents,
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ARRAY_SIZE(uartx_parents),
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@@ -379,12 +384,12 @@ static void __init spear320_clk_init(void __iomem *soc_config_base)
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clk_register_clkdev(clk, NULL, "60100000.serial");
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}
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#else
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-static inline void spear320_clk_init(void __iomem *soc_config_base) { }
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+static inline void spear320_clk_init(void __iomem *sb, struct clk *rc) { }
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#endif
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void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_base)
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{
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- struct clk *clk, *clk1;
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+ struct clk *clk, *clk1, *ras_apb_clk;
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clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
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32000);
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@@ -613,6 +618,7 @@ void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_
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clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0, RAS_CLK_ENB,
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RAS_APB_CLK_ENB, 0, &_lock);
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clk_register_clkdev(clk, "ras_apb_clk", NULL);
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+ ras_apb_clk = clk;
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clk = clk_register_gate(NULL, "ras_32k_clk", "osc_32k_clk", 0,
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RAS_CLK_ENB, RAS_32K_CLK_ENB, 0, &_lock);
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@@ -659,5 +665,5 @@ void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_
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else if (of_machine_is_compatible("st,spear310"))
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spear310_clk_init();
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else if (of_machine_is_compatible("st,spear320"))
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- spear320_clk_init(soc_config_base);
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+ spear320_clk_init(soc_config_base, ras_apb_clk);
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}
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