ARM: omap1: remove dead code

After the removal of the unused board files, I went through the omap1 code to look for code that no longer has any callers and remove that. In particular, support for the omap7xx/omap8xx family is now completely unused, so I'm only leaving omap15xx/omap16xx/omap59xx. Cc: Aaro Koskinen <aaro.koskinen@iki.fi> Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com> Cc: linux-omap@vger.kernel.org Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
mariux64 · Jan 12, 2023 · 8825acd · 8825acd
1 parent 21a3e6e
commit 8825acd
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Showing 23 changed files with 36 additions and 696 deletions.
diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c
@@ -720,8 +720,6 @@ int __init omap1_clk_init(void)
 		cpu_mask |= CK_16XX;
 	if (cpu_is_omap1510())
 		cpu_mask |= CK_1510;
-	if (cpu_is_omap7xx())
-		cpu_mask |= CK_7XX;
 	if (cpu_is_omap310())
 		cpu_mask |= CK_310;
 
@@ -730,9 +728,6 @@ int __init omap1_clk_init(void)
 	ck_dpll1_p = &ck_dpll1;
 	ck_ref_p = &ck_ref;
 
-	if (cpu_is_omap7xx())
-		ck_ref.rate = 13000000;
-
 	pr_info("Clocks: ARM_SYSST: 0x%04x DPLL_CTL: 0x%04x ARM_CKCTL: 0x%04x\n",
 		omap_readw(ARM_SYSST), omap_readw(DPLL_CTL),
 		omap_readw(ARM_CKCTL));
@@ -771,24 +766,14 @@ int __init omap1_clk_init(void)
 		}
 	}
 
-	if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
-		/* Select slicer output as OMAP input clock */
-		omap_writew(omap_readw(OMAP7XX_PCC_UPLD_CTRL) & ~0x1,
-				OMAP7XX_PCC_UPLD_CTRL);
-	}
-
 	/* Amstrad Delta wants BCLK high when inactive */
 	if (machine_is_ams_delta())
 		omap_writel(omap_readl(ULPD_CLOCK_CTRL) |
 				(1 << SDW_MCLK_INV_BIT),
 				ULPD_CLOCK_CTRL);
 
 	/* Turn off DSP and ARM_TIMXO. Make sure ARM_INTHCK is not divided */
-	/* (on 730, bit 13 must not be cleared) */
-	if (cpu_is_omap7xx())
-		omap_writew(omap_readw(ARM_CKCTL) & 0x2fff, ARM_CKCTL);
-	else
-		omap_writew(omap_readw(ARM_CKCTL) & 0x0fff, ARM_CKCTL);
+	omap_writew(omap_readw(ARM_CKCTL) & 0x0fff, ARM_CKCTL);
 
 	/* Put DSP/MPUI into reset until needed */
 	omap_writew(0, ARM_RSTCT1);

diff --git a/arch/arm/mach-omap1/common.h b/arch/arm/mach-omap1/common.h
@@ -35,14 +35,6 @@
 #include "soc.h"
 #include "i2c.h"
 
-#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
-void omap7xx_map_io(void);
-#else
-static inline void omap7xx_map_io(void)
-{
-}
-#endif
-
 #ifdef CONFIG_ARCH_OMAP15XX
 void omap1510_fpga_init_irq(void);
 void omap15xx_map_io(void);

diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
@@ -63,8 +63,6 @@ static void omap_init_rtc(void)
 static inline void omap_init_rtc(void) {}
 #endif
 
-static inline void omap_init_mbox(void) { }
-
 /*-------------------------------------------------------------------------*/
 
 #if IS_ENABLED(CONFIG_MMC_OMAP)
@@ -73,22 +71,16 @@ static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
 			int controller_nr)
 {
 	if (controller_nr == 0) {
-		if (cpu_is_omap7xx()) {
-			omap_cfg_reg(MMC_7XX_CMD);
-			omap_cfg_reg(MMC_7XX_CLK);
-			omap_cfg_reg(MMC_7XX_DAT0);
-		} else {
-			omap_cfg_reg(MMC_CMD);
-			omap_cfg_reg(MMC_CLK);
-			omap_cfg_reg(MMC_DAT0);
-		}
+		omap_cfg_reg(MMC_CMD);
+		omap_cfg_reg(MMC_CLK);
+		omap_cfg_reg(MMC_DAT0);
 
 		if (cpu_is_omap1710()) {
 			omap_cfg_reg(M15_1710_MMC_CLKI);
 			omap_cfg_reg(P19_1710_MMC_CMDDIR);
 			omap_cfg_reg(P20_1710_MMC_DATDIR0);
 		}
-		if (mmc_controller->slots[0].wires == 4 && !cpu_is_omap7xx()) {
+		if (mmc_controller->slots[0].wires == 4) {
 			omap_cfg_reg(MMC_DAT1);
 			/* NOTE: DAT2 can be on W10 (here) or M15 */
 			if (!mmc_controller->slots[0].nomux)
@@ -154,8 +146,6 @@ static int __init omap_mmc_add(const char *name, int id, unsigned long base,
 	res[3].name = "tx";
 	res[3].flags = IORESOURCE_DMA;
 
-	if (cpu_is_omap7xx())
-		data->slots[0].features = MMC_OMAP7XX;
 	if (cpu_is_omap15xx())
 		data->slots[0].features = MMC_OMAP15XX;
 	if (cpu_is_omap16xx())
@@ -224,43 +214,6 @@ void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
 
 /*-------------------------------------------------------------------------*/
 
-/* OMAP7xx SPI support */
-#if IS_ENABLED(CONFIG_SPI_OMAP_100K)
-
-struct platform_device omap_spi1 = {
-	.name           = "omap1_spi100k",
-	.id             = 1,
-};
-
-struct platform_device omap_spi2 = {
-	.name           = "omap1_spi100k",
-	.id             = 2,
-};
-
-static void omap_init_spi100k(void)
-{
-	if (!cpu_is_omap7xx())
-		return;
-
-	omap_spi1.dev.platform_data = ioremap(OMAP7XX_SPI1_BASE, 0x7ff);
-	if (omap_spi1.dev.platform_data)
-		platform_device_register(&omap_spi1);
-
-	omap_spi2.dev.platform_data = ioremap(OMAP7XX_SPI2_BASE, 0x7ff);
-	if (omap_spi2.dev.platform_data)
-		platform_device_register(&omap_spi2);
-}
-
-#else
-static inline void omap_init_spi100k(void)
-{
-}
-#endif
-
-/*-------------------------------------------------------------------------*/
-
-static inline void omap_init_sti(void) {}
-
 /* Numbering for the SPI-capable controllers when used for SPI:
  * spi		= 1
  * uwire	= 2
@@ -363,10 +316,7 @@ static int __init omap1_init_devices(void)
 	 * in alphabetical order so they're easier to sort through.
 	 */
 
-	omap_init_mbox();
 	omap_init_rtc();
-	omap_init_spi100k();
-	omap_init_sti();
 	omap_init_uwire();
 	omap1_init_rng();
 

diff --git a/arch/arm/mach-omap1/dma.c b/arch/arm/mach-omap1/dma.c
@@ -261,22 +261,6 @@ static const struct platform_device_info omap_dma_dev_info = {
 	.num_res = 1,
 };
 
-/* OMAP730, OMAP850 */
-static const struct dma_slave_map omap7xx_sdma_map[] = {
-	{ "omap-mcbsp.1", "tx", SDMA_FILTER_PARAM(8) },
-	{ "omap-mcbsp.1", "rx", SDMA_FILTER_PARAM(9) },
-	{ "omap-mcbsp.2", "tx", SDMA_FILTER_PARAM(10) },
-	{ "omap-mcbsp.2", "rx", SDMA_FILTER_PARAM(11) },
-	{ "mmci-omap.0", "tx", SDMA_FILTER_PARAM(21) },
-	{ "mmci-omap.0", "rx", SDMA_FILTER_PARAM(22) },
-	{ "omap_udc", "rx0", SDMA_FILTER_PARAM(26) },
-	{ "omap_udc", "rx1", SDMA_FILTER_PARAM(27) },
-	{ "omap_udc", "rx2", SDMA_FILTER_PARAM(28) },
-	{ "omap_udc", "tx0", SDMA_FILTER_PARAM(29) },
-	{ "omap_udc", "tx1", SDMA_FILTER_PARAM(30) },
-	{ "omap_udc", "tx2", SDMA_FILTER_PARAM(31) },
-};
-
 /* OMAP1510, OMAP1610*/
 static const struct dma_slave_map omap1xxx_sdma_map[] = {
 	{ "omap-mcbsp.1", "tx", SDMA_FILTER_PARAM(8) },
@@ -371,13 +355,8 @@ static int __init omap1_system_dma_init(void)
 	p.dma_attr = d;
 	p.errata = configure_dma_errata();
 
-	if (cpu_is_omap7xx()) {
-		p.slave_map = omap7xx_sdma_map;
-		p.slavecnt = ARRAY_SIZE(omap7xx_sdma_map);
-	} else {
-		p.slave_map = omap1xxx_sdma_map;
-		p.slavecnt = ARRAY_SIZE(omap1xxx_sdma_map);
-	}
+	p.slave_map = omap1xxx_sdma_map;
+	p.slavecnt = ARRAY_SIZE(omap1xxx_sdma_map);
 
 	ret = platform_device_add_data(pdev, &p, sizeof(p));
 	if (ret) {

diff --git a/arch/arm/mach-omap1/i2c.c b/arch/arm/mach-omap1/i2c.c
@@ -25,13 +25,8 @@ static struct platform_device omap_i2c_devices[1] = {
 
 static void __init omap1_i2c_mux_pins(int bus_id)
 {
-	if (cpu_is_omap7xx()) {
-		omap_cfg_reg(I2C_7XX_SDA);
-		omap_cfg_reg(I2C_7XX_SCL);
-	} else {
-		omap_cfg_reg(I2C_SDA);
-		omap_cfg_reg(I2C_SCL);
-	}
+	omap_cfg_reg(I2C_SDA);
+	omap_cfg_reg(I2C_SCL);
 }
 
 int __init omap_i2c_add_bus(struct omap_i2c_bus_platform_data *pdata,
@@ -68,10 +63,7 @@ int __init omap_i2c_add_bus(struct omap_i2c_bus_platform_data *pdata,
 
 	/* how the cpu bus is wired up differs for 7xx only */
 
-	if (cpu_is_omap7xx())
-		pdata->flags |= OMAP_I2C_FLAG_BUS_SHIFT_1;
-	else
-		pdata->flags |= OMAP_I2C_FLAG_BUS_SHIFT_2;
+	pdata->flags |= OMAP_I2C_FLAG_BUS_SHIFT_2;
 
 	pdev->dev.platform_data = pdata;
 

diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
@@ -22,27 +22,6 @@
  * The machine specific code may provide the extra mapping besides the
  * default mapping provided here.
  */
-#if defined (CONFIG_ARCH_OMAP730) || defined (CONFIG_ARCH_OMAP850)
-static struct map_desc omap7xx_io_desc[] __initdata = {
-	{
-		.virtual	= OMAP1_IO_VIRT,
-		.pfn		= __phys_to_pfn(OMAP1_IO_PHYS),
-		.length		= OMAP1_IO_SIZE,
-		.type		= MT_DEVICE
-	},
-	{
-		.virtual	= OMAP7XX_DSP_BASE,
-		.pfn		= __phys_to_pfn(OMAP7XX_DSP_START),
-		.length		= OMAP7XX_DSP_SIZE,
-		.type		= MT_DEVICE
-	}, {
-		.virtual	= OMAP7XX_DSPREG_BASE,
-		.pfn		= __phys_to_pfn(OMAP7XX_DSPREG_START),
-		.length		= OMAP7XX_DSPREG_SIZE,
-		.type		= MT_DEVICE
-	}
-};
-#endif
 
 #ifdef CONFIG_ARCH_OMAP15XX
 static struct map_desc omap1510_io_desc[] __initdata = {
@@ -88,13 +67,6 @@ static struct map_desc omap16xx_io_desc[] __initdata = {
 };
 #endif
 
-#if defined (CONFIG_ARCH_OMAP730) || defined (CONFIG_ARCH_OMAP850)
-void __init omap7xx_map_io(void)
-{
-	iotable_init(omap7xx_io_desc, ARRAY_SIZE(omap7xx_io_desc));
-}
-#endif
-
 #ifdef CONFIG_ARCH_OMAP15XX
 void __init omap15xx_map_io(void)
 {

diff --git a/arch/arm/mach-omap1/irq.c b/arch/arm/mach-omap1/irq.c
@@ -110,14 +110,6 @@ static void omap_irq_set_cfg(int irq, int fiq, int priority, int trigger)
 	irq_bank_writel(val, bank, offset);
 }
 
-#if defined (CONFIG_ARCH_OMAP730) || defined (CONFIG_ARCH_OMAP850)
-static struct omap_irq_bank omap7xx_irq_banks[] = {
-	{ .base_reg = OMAP_IH1_BASE,		.trigger_map = 0xb3f8e22f },
-	{ .base_reg = OMAP_IH2_BASE,		.trigger_map = 0xfdb9c1f2 },
-	{ .base_reg = OMAP_IH2_BASE + 0x100,	.trigger_map = 0x800040f3 },
-};
-#endif
-
 #ifdef CONFIG_ARCH_OMAP15XX
 static struct omap_irq_bank omap1510_irq_banks[] = {
 	{ .base_reg = OMAP_IH1_BASE,		.trigger_map = 0xb3febfff },
@@ -194,12 +186,6 @@ void __init omap1_init_irq(void)
 	int i, j, irq_base;
 	unsigned long nr_irqs;
 
-#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
-	if (cpu_is_omap7xx()) {
-		irq_banks = omap7xx_irq_banks;
-		irq_bank_count = ARRAY_SIZE(omap7xx_irq_banks);
-	}
-#endif
 #ifdef CONFIG_ARCH_OMAP15XX
 	if (cpu_is_omap1510()) {
 		irq_banks = omap1510_irq_banks;
@@ -230,7 +216,7 @@ void __init omap1_init_irq(void)
 		pr_warn("Couldn't allocate IRQ numbers\n");
 		irq_base = 0;
 	}
-	omap_l2_irq = cpu_is_omap7xx() ? irq_base + 1 : irq_base;
+	omap_l2_irq = irq_base;
 	omap_l2_irq -= NR_IRQS_LEGACY;
 
 	domain = irq_domain_add_legacy(NULL, nr_irqs, irq_base, 0,
@@ -249,10 +235,6 @@ void __init omap1_init_irq(void)
 	irq_bank_writel(0x03, 0, IRQ_CONTROL_REG_OFFSET);
 	irq_bank_writel(0x03, 1, IRQ_CONTROL_REG_OFFSET);
 
-	/* Enable interrupts in global mask */
-	if (cpu_is_omap7xx())
-		irq_bank_writel(0x0, 0, IRQ_GMR_REG_OFFSET);
-
 	/* Install the interrupt handlers for each bank */
 	for (i = 0; i < irq_bank_count; i++) {
 		for (j = i * 32; j < (i + 1) * 32; j++) {

diff --git a/arch/arm/mach-omap1/irqs.h b/arch/arm/mach-omap1/irqs.h
@@ -231,15 +231,6 @@
 #define IH_MPUIO_BASE		(OMAP_MAX_GPIO_LINES + IH_GPIO_BASE)
 #define OMAP_IRQ_END		(IH_MPUIO_BASE + 16)
 
-/* External FPGA handles interrupts on Innovator boards */
-#define	OMAP_FPGA_IRQ_BASE	(OMAP_IRQ_END)
-#ifdef	CONFIG_MACH_OMAP_INNOVATOR
-#define OMAP_FPGA_NR_IRQS	24
-#else
-#define OMAP_FPGA_NR_IRQS	0
-#endif
-#define OMAP_FPGA_IRQ_END	(OMAP_FPGA_IRQ_BASE + OMAP_FPGA_NR_IRQS)
-
 #define OMAP_IRQ_BIT(irq)	(1 << ((irq - NR_IRQS_LEGACY) % 32))
 
 #ifdef CONFIG_FIQ