summary refs log tree commit diff
path: root/arch/arm/mach-ux500/clock.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-ux500/clock.c')
-rw-r--r--arch/arm/mach-ux500/clock.c207
1 files changed, 51 insertions, 156 deletions
diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c
index e832664d1bd9..737907537004 100644
--- a/arch/arm/mach-ux500/clock.c
+++ b/arch/arm/mach-ux500/clock.c
@@ -239,23 +239,6 @@ static void clk_prcmu_disable(struct clk *clk)
 	writel(1 << clk->prcmu_cg_bit, cg_clr_reg);
 }
 
-/* ED doesn't have the combined set/clr registers */
-static void clk_prcmu_ed_enable(struct clk *clk)
-{
-	void __iomem *addr = __io_address(U8500_PRCMU_BASE)
-			     + clk->prcmu_cg_mgt;
-
-	writel(readl(addr) | PRCM_MGT_ENABLE, addr);
-}
-
-static void clk_prcmu_ed_disable(struct clk *clk)
-{
-	void __iomem *addr = __io_address(U8500_PRCMU_BASE)
-			     + clk->prcmu_cg_mgt;
-
-	writel(readl(addr) & ~PRCM_MGT_ENABLE, addr);
-}
-
 static struct clkops clk_prcmu_ops = {
 	.enable = clk_prcmu_enable,
 	.disable = clk_prcmu_disable,
@@ -267,7 +250,6 @@ static unsigned int clkrst_base[] = {
 	[3] = U8500_CLKRST3_BASE,
 	[5] = U8500_CLKRST5_BASE,
 	[6] = U8500_CLKRST6_BASE,
-	[7] = U8500_CLKRST7_BASE_ED,
 };
 
 static void clk_prcc_enable(struct clk *clk)
@@ -321,7 +303,6 @@ static DEFINE_PRCMU_CLK(per2clk,	0x0, 12, PER2CLK);
 static DEFINE_PRCMU_CLK(per3clk,	0x0, 13, PER3CLK);
 static DEFINE_PRCMU_CLK(per5clk,	0x0, 14, PER5CLK);
 static DEFINE_PRCMU_CLK_RATE(per6clk,	0x0, 15, PER6CLK, 133330000);
-static DEFINE_PRCMU_CLK_RATE(per7clk,	0x0, 16, PER7CLK, 100000000);
 static DEFINE_PRCMU_CLK(lcdclk,		0x0, 17, LCDCLK);
 static DEFINE_PRCMU_CLK(bmlclk,		0x0, 18, BMLCLK);
 static DEFINE_PRCMU_CLK(hsitxclk,	0x0, 19, HSITXCLK);
@@ -351,44 +332,28 @@ static DEFINE_PRCMU_CLK(uiccclk,	0x4, 1, UICCCLK); /* v1 */
 static DEFINE_PRCC_CLK(1, i2c4,		10, 9, &clk_i2cclk);
 static DEFINE_PRCC_CLK(1, gpio0,	9, -1, NULL);
 static DEFINE_PRCC_CLK(1, slimbus0,	8,  8, &clk_slimclk);
-static DEFINE_PRCC_CLK(1, spi3_ed,	7,  7, NULL);
-static DEFINE_PRCC_CLK(1, spi3_v1,	7, -1, NULL);
+static DEFINE_PRCC_CLK(1, spi3,		7, -1, NULL);
 static DEFINE_PRCC_CLK(1, i2c2,		6,  6, &clk_i2cclk);
 static DEFINE_PRCC_CLK(1, sdi0,		5,  5, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(1, msp1_ed,	4,  4, &clk_msp02clk);
-static DEFINE_PRCC_CLK(1, msp1_v1,	4,  4, &clk_msp1clk);
+static DEFINE_PRCC_CLK(1, msp1,		4,  4, &clk_msp1clk);
 static DEFINE_PRCC_CLK(1, msp0,		3,  3, &clk_msp02clk);
 static DEFINE_PRCC_CLK(1, i2c1,		2,  2, &clk_i2cclk);
 static DEFINE_PRCC_CLK(1, uart1,	1,  1, &clk_uartclk);
 static DEFINE_PRCC_CLK(1, uart0,	0,  0, &clk_uartclk);
 
 /* Peripheral Cluster #2 */
-
-static DEFINE_PRCC_CLK(2, gpio1_ed,	12, -1, NULL);
-static DEFINE_PRCC_CLK(2, ssitx_ed,	11, -1, NULL);
-static DEFINE_PRCC_CLK(2, ssirx_ed,	10, -1, NULL);
-static DEFINE_PRCC_CLK(2, spi0_ed,	 9, -1, NULL);
-static DEFINE_PRCC_CLK(2, sdi3_ed,	 8,  6, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(2, sdi1_ed,	 7,  5, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(2, msp2_ed,	 6,  4, &clk_msp02clk);
-static DEFINE_PRCC_CLK(2, sdi4_ed,	 4,  2, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(2, pwl_ed,	 3,  1, NULL);
-static DEFINE_PRCC_CLK(2, spi1_ed,	 2, -1, NULL);
-static DEFINE_PRCC_CLK(2, spi2_ed,	 1, -1, NULL);
-static DEFINE_PRCC_CLK(2, i2c3_ed,	 0,  0, &clk_i2cclk);
-
-static DEFINE_PRCC_CLK(2, gpio1_v1,	11, -1, NULL);
-static DEFINE_PRCC_CLK(2, ssitx_v1,	10,  7, NULL);
-static DEFINE_PRCC_CLK(2, ssirx_v1,	 9,  6, NULL);
-static DEFINE_PRCC_CLK(2, spi0_v1,	 8, -1, NULL);
-static DEFINE_PRCC_CLK(2, sdi3_v1,	 7,  5, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(2, sdi1_v1,	 6,  4, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(2, msp2_v1,	 5,  3, &clk_msp02clk);
-static DEFINE_PRCC_CLK(2, sdi4_v1,	 4,  2, &clk_sdmmcclk);
-static DEFINE_PRCC_CLK(2, pwl_v1,	 3,  1, NULL);
-static DEFINE_PRCC_CLK(2, spi1_v1,	 2, -1, NULL);
-static DEFINE_PRCC_CLK(2, spi2_v1,	 1, -1, NULL);
-static DEFINE_PRCC_CLK(2, i2c3_v1,	 0,  0, &clk_i2cclk);
+static DEFINE_PRCC_CLK(2, gpio1,	11, -1, NULL);
+static DEFINE_PRCC_CLK(2, ssitx,	10,  7, NULL);
+static DEFINE_PRCC_CLK(2, ssirx,	 9,  6, NULL);
+static DEFINE_PRCC_CLK(2, spi0,		8, -1, NULL);
+static DEFINE_PRCC_CLK(2, sdi3,		7,  5, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(2, sdi1,		6,  4, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(2, msp2,		5,  3, &clk_msp02clk);
+static DEFINE_PRCC_CLK(2, sdi4,		4,  2, &clk_sdmmcclk);
+static DEFINE_PRCC_CLK(2, pwl,		3,  1, NULL);
+static DEFINE_PRCC_CLK(2, spi1,		2, -1, NULL);
+static DEFINE_PRCC_CLK(2, spi2,		1, -1, NULL);
+static DEFINE_PRCC_CLK(2, i2c3,		0,  0, &clk_i2cclk);
 
 /* Peripheral Cluster #3 */
 static DEFINE_PRCC_CLK(3, gpio2,	8, -1, NULL);
@@ -397,49 +362,34 @@ static DEFINE_PRCC_CLK(3, uart2,	6,  6, &clk_uartclk);
 static DEFINE_PRCC_CLK(3, ske,		5,  5, &clk_32khz);
 static DEFINE_PRCC_CLK(3, sdi2,		4,  4, &clk_sdmmcclk);
 static DEFINE_PRCC_CLK(3, i2c0,		3,  3, &clk_i2cclk);
-static DEFINE_PRCC_CLK(3, ssp1_ed,	2,  2, &clk_i2cclk);
-static DEFINE_PRCC_CLK(3, ssp0_ed,	1,  1, &clk_i2cclk);
-static DEFINE_PRCC_CLK(3, ssp1_v1,	2,  2, &clk_sspclk);
-static DEFINE_PRCC_CLK(3, ssp0_v1,	1,  1, &clk_sspclk);
+static DEFINE_PRCC_CLK(3, ssp1,		2,  2, &clk_sspclk);
+static DEFINE_PRCC_CLK(3, ssp0,		1,  1, &clk_sspclk);
 static DEFINE_PRCC_CLK(3, fsmc,		0, -1, NULL);
 
 /* Peripheral Cluster #4 is in the always on domain */
 
 /* Peripheral Cluster #5 */
 static DEFINE_PRCC_CLK(5, gpio3,	1, -1, NULL);
-static DEFINE_PRCC_CLK(5, usb_ed,	0,  0, &clk_i2cclk);
-static DEFINE_PRCC_CLK(5, usb_v1,	0,  0, NULL);
+static DEFINE_PRCC_CLK(5, usb,		0,  0, NULL);
 
 /* Peripheral Cluster #6 */
 
 /* MTU ID in data */
-static DEFINE_PRCC_CLK_CUSTOM(6, mtu1_v1, 8, -1, NULL, clk_mtu_get_rate, 1);
-static DEFINE_PRCC_CLK_CUSTOM(6, mtu0_v1, 7, -1, NULL, clk_mtu_get_rate, 0);
-static DEFINE_PRCC_CLK(6, cfgreg_v1,	6,  6, NULL);
-static DEFINE_PRCC_CLK(6, dmc_ed,	6,  6, NULL);
+static DEFINE_PRCC_CLK_CUSTOM(6, mtu1, 8, -1, NULL, clk_mtu_get_rate, 1);
+static DEFINE_PRCC_CLK_CUSTOM(6, mtu0, 7, -1, NULL, clk_mtu_get_rate, 0);
+static DEFINE_PRCC_CLK(6, cfgreg,	6,  6, NULL);
 static DEFINE_PRCC_CLK(6, hash1,	5, -1, NULL);
-static DEFINE_PRCC_CLK(6, unipro_v1,	4,  1, &clk_uniproclk);
-static DEFINE_PRCC_CLK(6, cryp1_ed,	4, -1, NULL);
+static DEFINE_PRCC_CLK(6, unipro,	4,  1, &clk_uniproclk);
 static DEFINE_PRCC_CLK(6, pka,		3, -1, NULL);
 static DEFINE_PRCC_CLK(6, hash0,	2, -1, NULL);
 static DEFINE_PRCC_CLK(6, cryp0,	1, -1, NULL);
-static DEFINE_PRCC_CLK(6, rng_ed,	0,  0, &clk_i2cclk);
-static DEFINE_PRCC_CLK(6, rng_v1,	0,  0, &clk_rngclk);
-
-/* Peripheral Cluster #7 */
-
-static DEFINE_PRCC_CLK(7, tzpc0_ed,	4, -1, NULL);
-/* MTU ID in data */
-static DEFINE_PRCC_CLK_CUSTOM(7, mtu1_ed, 3, -1, NULL, clk_mtu_get_rate, 1);
-static DEFINE_PRCC_CLK_CUSTOM(7, mtu0_ed, 2, -1, NULL, clk_mtu_get_rate, 0);
-static DEFINE_PRCC_CLK(7, wdg_ed,	1, -1, NULL);
-static DEFINE_PRCC_CLK(7, cfgreg_ed,	0, -1, NULL);
+static DEFINE_PRCC_CLK(6, rng,	0,  0, &clk_rngclk);
 
 static struct clk clk_dummy_apb_pclk = {
 	.name = "apb_pclk",
 };
 
-static struct clk_lookup u8500_common_clks[] = {
+static struct clk_lookup u8500_clks[] = {
 	CLK(dummy_apb_pclk, NULL,	"apb_pclk"),
 
 	/* Peripheral Cluster #1 */
@@ -494,83 +444,41 @@ static struct clk_lookup u8500_common_clks[] = {
 	CLK(dmaclk,	"dma40.0",	NULL),
 	CLK(b2r2clk,	"b2r2",		NULL),
 	CLK(tvclk,	"tv",		NULL),
-};
 
-static struct clk_lookup u8500_ed_clks[] = {
-	/* Peripheral Cluster #1 */
-	CLK(spi3_ed,	"spi3",		NULL),
-	CLK(msp1_ed,	"msp1",		NULL),
-
-	/* Peripheral Cluster #2 */
-	CLK(gpio1_ed,	"gpio.6",	NULL),
-	CLK(gpio1_ed,	"gpio.7",	NULL),
-	CLK(ssitx_ed,	"ssitx",	NULL),
-	CLK(ssirx_ed,	"ssirx",	NULL),
-	CLK(spi0_ed,	"spi0",		NULL),
-	CLK(sdi3_ed,	"sdi3",		NULL),
-	CLK(sdi1_ed,	"sdi1",		NULL),
-	CLK(msp2_ed,	"msp2",		NULL),
-	CLK(sdi4_ed,	"sdi4",		NULL),
-	CLK(pwl_ed,	"pwl",		NULL),
-	CLK(spi1_ed,	"spi1",		NULL),
-	CLK(spi2_ed,	"spi2",		NULL),
-	CLK(i2c3_ed,	"nmk-i2c.3",	NULL),
-
-	/* Peripheral Cluster #3 */
-	CLK(ssp1_ed,	"ssp1",		NULL),
-	CLK(ssp0_ed,	"ssp0",		NULL),
-
-	/* Peripheral Cluster #5 */
-	CLK(usb_ed,	"musb-ux500.0",	"usb"),
-
-	/* Peripheral Cluster #6 */
-	CLK(dmc_ed,	"dmc",		NULL),
-	CLK(cryp1_ed,	"cryp1",	NULL),
-	CLK(rng_ed,	"rng",		NULL),
-
-	/* Peripheral Cluster #7 */
-	CLK(tzpc0_ed,	"tzpc0",	NULL),
-	CLK(mtu1_ed,	"mtu1",		NULL),
-	CLK(mtu0_ed,	"mtu0",		NULL),
-	CLK(wdg_ed,	"wdg",		NULL),
-	CLK(cfgreg_ed,	"cfgreg",	NULL),
-};
-
-static struct clk_lookup u8500_v1_clks[] = {
 	/* Peripheral Cluster #1 */
 	CLK(i2c4,	"nmk-i2c.4",	NULL),
-	CLK(spi3_v1,	"spi3",		NULL),
-	CLK(msp1_v1,	"msp1",		NULL),
+	CLK(spi3,	"spi3",		NULL),
+	CLK(msp1,	"msp1",		NULL),
 
 	/* Peripheral Cluster #2 */
-	CLK(gpio1_v1,	"gpio.6",	NULL),
-	CLK(gpio1_v1,	"gpio.7",	NULL),
-	CLK(ssitx_v1,	"ssitx",	NULL),
-	CLK(ssirx_v1,	"ssirx",	NULL),
-	CLK(spi0_v1,	"spi0",		NULL),
-	CLK(sdi3_v1,	"sdi3",		NULL),
-	CLK(sdi1_v1,	"sdi1",		NULL),
-	CLK(msp2_v1,	"msp2",		NULL),
-	CLK(sdi4_v1,	"sdi4",		NULL),
-	CLK(pwl_v1,	"pwl",		NULL),
-	CLK(spi1_v1,	"spi1",		NULL),
-	CLK(spi2_v1,	"spi2",		NULL),
-	CLK(i2c3_v1,	"nmk-i2c.3",	NULL),
+	CLK(gpio1,	"gpio.6",	NULL),
+	CLK(gpio1,	"gpio.7",	NULL),
+	CLK(ssitx,	"ssitx",	NULL),
+	CLK(ssirx,	"ssirx",	NULL),
+	CLK(spi0,	"spi0",		NULL),
+	CLK(sdi3,	"sdi3",		NULL),
+	CLK(sdi1,	"sdi1",		NULL),
+	CLK(msp2,	"msp2",		NULL),
+	CLK(sdi4,	"sdi4",		NULL),
+	CLK(pwl,	"pwl",		NULL),
+	CLK(spi1,	"spi1",		NULL),
+	CLK(spi2,	"spi2",		NULL),
+	CLK(i2c3,	"nmk-i2c.3",	NULL),
 
 	/* Peripheral Cluster #3 */
-	CLK(ssp1_v1,	"ssp1",		NULL),
-	CLK(ssp0_v1,	"ssp0",		NULL),
+	CLK(ssp1,	"ssp1",		NULL),
+	CLK(ssp0,	"ssp0",		NULL),
 
 	/* Peripheral Cluster #5 */
-	CLK(usb_v1,	"musb-ux500.0",	"usb"),
+	CLK(usb,	"musb-ux500.0",	"usb"),
 
 	/* Peripheral Cluster #6 */
-	CLK(mtu1_v1,	"mtu1",		NULL),
-	CLK(mtu0_v1,	"mtu0",		NULL),
-	CLK(cfgreg_v1,	"cfgreg",	NULL),
+	CLK(mtu1,	"mtu1",		NULL),
+	CLK(mtu0,	"mtu0",		NULL),
+	CLK(cfgreg,	"cfgreg",	NULL),
 	CLK(hash1,	"hash1",	NULL),
-	CLK(unipro_v1,	"unipro",	NULL),
-	CLK(rng_v1,	"rng",		NULL),
+	CLK(unipro,	"unipro",	NULL),
+	CLK(rng,	"rng",		NULL),
 
 	/* PRCMU level clock gating */
 
@@ -743,7 +651,7 @@ err_out:
 late_initcall(clk_debugfs_init);
 #endif /* defined(CONFIG_DEBUG_FS) */
 
-unsigned long clk_smp_twd_rate = 400000000;
+unsigned long clk_smp_twd_rate = 500000000;
 
 unsigned long clk_smp_twd_get_rate(struct clk *clk)
 {
@@ -769,7 +677,7 @@ static int clk_twd_cpufreq_transition(struct notifier_block *nb,
 
 	if (state == CPUFREQ_PRECHANGE) {
 		/* Save frequency in simple Hz */
-		clk_smp_twd_rate = f->new * 1000;
+		clk_smp_twd_rate = (f->new * 1000) / 2;
 	}
 
 	return NOTIFY_OK;
@@ -790,11 +698,7 @@ late_initcall(clk_init_smp_twd_cpufreq);
 
 int __init clk_init(void)
 {
-	if (cpu_is_u8500ed()) {
-		clk_prcmu_ops.enable = clk_prcmu_ed_enable;
-		clk_prcmu_ops.disable = clk_prcmu_ed_disable;
-		clk_per6clk.rate = 100000000;
-	} else if (cpu_is_u5500()) {
+	if (cpu_is_u5500()) {
 		/* Clock tree for U5500 not implemented yet */
 		clk_prcc_ops.enable = clk_prcc_ops.disable = NULL;
 		clk_prcmu_ops.enable = clk_prcmu_ops.disable = NULL;
@@ -802,20 +706,11 @@ int __init clk_init(void)
 		clk_sdmmcclk.rate = 99900000;
 	}
 
-	clkdev_add_table(u8500_common_clks, ARRAY_SIZE(u8500_common_clks));
-	if (cpu_is_u8500ed())
-		clkdev_add_table(u8500_ed_clks, ARRAY_SIZE(u8500_ed_clks));
-	else
-		clkdev_add_table(u8500_v1_clks, ARRAY_SIZE(u8500_v1_clks));
-
+	clkdev_add_table(u8500_clks, ARRAY_SIZE(u8500_clks));
 	clkdev_add(&clk_smp_twd_lookup);
 
 #ifdef CONFIG_DEBUG_FS
-	clk_debugfs_add_table(u8500_common_clks, ARRAY_SIZE(u8500_common_clks));
-	if (cpu_is_u8500ed())
-		clk_debugfs_add_table(u8500_ed_clks, ARRAY_SIZE(u8500_ed_clks));
-	else
-		clk_debugfs_add_table(u8500_v1_clks, ARRAY_SIZE(u8500_v1_clks));
+	clk_debugfs_add_table(u8500_clks, ARRAY_SIZE(u8500_clks));
 #endif
 	return 0;
 }