ARM: sa1100: Refactor mcp-sa11x0 to use platform resources.

Make use of memory resources rather than hardcoded IO adresses. This is a first step towards DT support. Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
mariux64 · Jan 8, 2012 · af9081a · af9081a
1 parent 5dd7bf5
commit af9081a
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Showing 8 changed files with 176 additions and 53 deletions.
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
@@ -253,6 +253,17 @@ static void __init assabet_init(void)
 	sa11x0_register_mtd(&assabet_flash_data, assabet_flash_resources,
 			    ARRAY_SIZE(assabet_flash_resources));
 	sa11x0_register_irda(&assabet_irda_data);
+
+	/*
+	 * Setup the PPC unit correctly.
+	 */
+	PPDR &= ~PPC_RXD4;
+	PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
+	PSDR |= PPC_RXD4;
+	PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+	PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+
+	ASSABET_BCR_set(ASSABET_BCR_CODEC_RST);
 	sa11x0_register_mcp(&assabet_mcp_data);
 }
 

diff --git a/arch/arm/mach-sa1100/cerf.c b/arch/arm/mach-sa1100/cerf.c
@@ -131,6 +131,16 @@ static void __init cerf_init(void)
 {
 	platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));
 	sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1);
+
+	/*
+	 * Setup the PPC unit correctly.
+	 */
+	PPDR &= ~PPC_RXD4;
+	PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
+	PSDR |= PPC_RXD4;
+	PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+	PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+
 	sa11x0_register_mcp(&cerf_mcp_data);
 }
 

diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
@@ -357,6 +357,16 @@ static void __init collie_init(void)
 
 	sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
 			    ARRAY_SIZE(collie_flash_resources));
+
+	/*
+	 * Setup the PPC unit correctly.
+	 */
+	PPDR &= ~PPC_RXD4;
+	PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
+	PSDR |= PPC_RXD4;
+	PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+	PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+
 	sa11x0_register_mcp(&collie_mcp_data);
 
 	sharpsl_save_param();

diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
@@ -206,10 +206,15 @@ static struct platform_device sa11x0uart3_device = {
 static struct resource sa11x0mcp_resources[] = {
 	[0] = {
 		.start	= __PREG(Ser4MCCR0),
-		.end	= __PREG(Ser4MCCR0) + 0xffff,
+		.end	= __PREG(Ser4MCCR0) + 0x1C - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
+		.start	= __PREG(Ser4MCCR1),
+		.end	= __PREG(Ser4MCCR1) + 0x4 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[2] = {
 		.start	= IRQ_Ser4MCP,
 		.end	= IRQ_Ser4MCP,
 		.flags	= IORESOURCE_IRQ,

diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c
@@ -29,6 +29,15 @@ static struct mcp_plat_data lart_mcp_data = {
 
 static void __init lart_init(void)
 {
+	/*
+	 * Setup the PPC unit correctly.
+	 */
+	PPDR &= ~PPC_RXD4;
+	PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
+	PSDR |= PPC_RXD4;
+	PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+	PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+
 	sa11x0_register_mcp(&lart_mcp_data);
 }
 

diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c
@@ -61,6 +61,16 @@ static struct mcp_plat_data shannon_mcp_data = {
 static void __init shannon_init(void)
 {
 	sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);
+
+	/*
+	 * Setup the PPC unit correctly.
+	 */
+	PPDR &= ~PPC_RXD4;
+	PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
+	PSDR |= PPC_RXD4;
+	PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+	PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+
 	sa11x0_register_mcp(&shannon_mcp_data);
 }
 

diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
@@ -384,6 +384,16 @@ static int __init simpad_init(void)
 
 	sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources,
 			      ARRAY_SIZE(simpad_flash_resources));
+
+	/*
+	 * Setup the PPC unit correctly.
+	 */
+	PPDR &= ~PPC_RXD4;
+	PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
+	PSDR |= PPC_RXD4;
+	PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+	PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+
 	sa11x0_register_mcp(&simpad_mcp_data);
 
 	ret = platform_add_devices(devices, ARRAY_SIZE(devices));