From 41c34ae49ec3e48b22591a83386dfd2bfdb45ff6 Mon Sep 17 00:00:00 2001 From: Rabin Vincent Date: Thu, 15 Dec 2011 11:08:22 +0100 Subject: [PATCH 1/6] ARM: ux500: support DB8520 Extend the ux500 ID table to cover the DB8520 variant. Signed-off-by: Rabin Vincent Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/id.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-ux500/id.c b/arch/arm/mach-ux500/id.c index d35122ebc67b..15a0f63b2e2b 100644 --- a/arch/arm/mach-ux500/id.c +++ b/arch/arm/mach-ux500/id.c @@ -65,6 +65,7 @@ static unsigned int partnumber(unsigned int asicid) * DB8500v1 0x411fc091 0x9001FFF4 0x008500A0 * DB8500v1.1 0x411fc091 0x9001FFF4 0x008500A1 * DB8500v2 0x412fc091 0x9001DBF4 0x008500B0 + * DB8520v2.2 0x412fc091 0x9001DBF4 0x008500B2 * DB5500v1 0x412fc091 0x9001FFF4 0x005500A0 */ @@ -80,9 +81,10 @@ void __init ux500_map_io(void) addr = 0x9001FFF4; break; - case 0x412fc091: /* DB8500v2 / DB5500v1 */ + case 0x412fc091: /* DB8520 / DB8500v2 / DB5500v1 */ asicid = ux500_read_asicid(0x9001DBF4); - if (partnumber(asicid) == 0x8500) + if (partnumber(asicid) == 0x8500 || + partnumber(asicid) == 0x8520) /* DB8500v2 */ break; From d5608bbf81987375ced3802374b145e148140b33 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Thu, 15 Dec 2011 11:41:09 +0100 Subject: [PATCH 2/6] ARM: ux500: update ASIC detection for U5500 This adds a few CPU identification functions for the U5500 variants. Contains portions of code written by Rabin Vincent. Cc: Rabin Vincent Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/include/mach/hardware.h | 10 ++++----- arch/arm/mach-ux500/include/mach/id.h | 24 +++++++++++++++++++++ 2 files changed, 29 insertions(+), 5 deletions(-) diff --git a/arch/arm/mach-ux500/include/mach/hardware.h b/arch/arm/mach-ux500/include/mach/hardware.h index 470ac52663d6..b6ba26a1367d 100644 --- a/arch/arm/mach-ux500/include/mach/hardware.h +++ b/arch/arm/mach-ux500/include/mach/hardware.h @@ -10,20 +10,21 @@ #ifndef __MACH_HARDWARE_H #define __MACH_HARDWARE_H -/* macros to get at IO space when running virtually +/* + * Macros to get at IO space when running virtually * We dont map all the peripherals, let ioremap do * this for us. We map only very basic peripherals here. */ #define U8500_IO_VIRTUAL 0xf0000000 #define U8500_IO_PHYSICAL 0xa0000000 -/* this macro is used in assembly, so no cast */ +/* This macro is used in assembly, so no cast */ #define IO_ADDRESS(x) \ (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + U8500_IO_VIRTUAL) /* typesafe io address */ #define __io_address(n) __io(IO_ADDRESS(n)) -/* used by some plat-nomadik code */ +/* Used by some plat-nomadik code */ #define io_p2v(n) __io_address(n) #include @@ -36,6 +37,5 @@ extern void __iomem *_PRCMU_BASE; #define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) -#endif - +#endif /* __ASSEMBLY__ */ #endif /* __MACH_HARDWARE_H */ diff --git a/arch/arm/mach-ux500/include/mach/id.h b/arch/arm/mach-ux500/include/mach/id.h index 02b541a37ee5..833d6a6edc9b 100644 --- a/arch/arm/mach-ux500/include/mach/id.h +++ b/arch/arm/mach-ux500/include/mach/id.h @@ -46,6 +46,30 @@ static inline bool __attribute_const__ cpu_is_u5500(void) return dbx500_partnumber() == 0x5500; } +/* + * 5500 revisions + */ + +static inline bool __attribute_const__ cpu_is_u5500v1(void) +{ + return cpu_is_u5500() && (dbx500_revision() & 0xf0) == 0xA0; +} + +static inline bool __attribute_const__ cpu_is_u5500v2(void) +{ + return (dbx500_id.revision & 0xf0) == 0xB0; +} + +static inline bool __attribute_const__ cpu_is_u5500v20(void) +{ + return cpu_is_u5500() && ((dbx500_revision() & 0xf0) == 0xB0); +} + +static inline bool __attribute_const__ cpu_is_u5500v21(void) +{ + return cpu_is_u5500() && (dbx500_revision() == 0xB1); +} + /* * 8500 revisions */ From ebe6c6fe60683e951ff52803c6d126480a970df5 Mon Sep 17 00:00:00 2001 From: Rabin Vincent Date: Thu, 15 Dec 2011 11:49:43 +0100 Subject: [PATCH 3/6] ARM: ux500: register DB5500 PMU dynamically Use platform_device_register_simple() rather than a static struct, so we create and register the PMU device on-the-fly. Cc: Will Deacon Signed-off-by: Rabin Vincent Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/cpu-db5500.c | 41 ++++++++++++++++---------------- 1 file changed, 20 insertions(+), 21 deletions(-) diff --git a/arch/arm/mach-ux500/cpu-db5500.c b/arch/arm/mach-ux500/cpu-db5500.c index 9de1af008094..8187909c29ef 100644 --- a/arch/arm/mach-ux500/cpu-db5500.c +++ b/arch/arm/mach-ux500/cpu-db5500.c @@ -47,26 +47,6 @@ static struct map_desc u5500_io_desc[] __initdata = { __IO_DEV_DESC(U5500_PRCMU_TCDM_BASE, SZ_4K), }; -static struct resource db5500_pmu_resources[] = { - [0] = { - .start = IRQ_DB5500_PMU0, - .end = IRQ_DB5500_PMU0, - .flags = IORESOURCE_IRQ, - }, - [1] = { - .start = IRQ_DB5500_PMU1, - .end = IRQ_DB5500_PMU1, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device db5500_pmu_device = { - .name = "arm-pmu", - .id = ARM_PMU_DEVICE_CPU, - .num_resources = ARRAY_SIZE(db5500_pmu_resources), - .resource = db5500_pmu_resources, -}; - static struct resource mbox0_resources[] = { { .name = "mbox_peer", @@ -152,7 +132,6 @@ static struct platform_device mbox2_device = { }; static struct platform_device *db5500_platform_devs[] __initdata = { - &db5500_pmu_device, &mbox0_device, &mbox1_device, &mbox2_device, @@ -193,6 +172,25 @@ void __init u5500_map_io(void) _PRCMU_BASE = __io_address(U5500_PRCMU_BASE); } +static void __init db5500_pmu_init(void) +{ + struct resource res[] = { + [0] = { + .start = IRQ_DB5500_PMU0, + .end = IRQ_DB5500_PMU0, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = IRQ_DB5500_PMU1, + .end = IRQ_DB5500_PMU1, + .flags = IORESOURCE_IRQ, + }, + }; + + platform_device_register_simple("arm-pmu", ARM_PMU_DEVICE_CPU, + res, ARRAY_SIZE(res)); +} + static int usb_db5500_rx_dma_cfg[] = { DB5500_DMA_DEV4_USB_OTG_IEP_1_9, DB5500_DMA_DEV5_USB_OTG_IEP_2_10, @@ -218,6 +216,7 @@ static int usb_db5500_tx_dma_cfg[] = { void __init u5500_init_devices(void) { db5500_add_gpios(); + db5500_pmu_init(); db5500_dma_init(); db5500_add_rtc(); db5500_add_usb(usb_db5500_rx_dma_cfg, usb_db5500_tx_dma_cfg); From ca2ea4e8d4d63a62746333a32fa9054bb3ff7a33 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Thu, 15 Dec 2011 11:56:23 +0100 Subject: [PATCH 4/6] ARM: ux500: update register files A few new addresses for newly supported peripherals and SRAM base offsets. Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/include/mach/db5500-regs.h | 4 ++++ arch/arm/mach-ux500/include/mach/db8500-regs.h | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/arch/arm/mach-ux500/include/mach/db5500-regs.h b/arch/arm/mach-ux500/include/mach/db5500-regs.h index 994b5fe6f85a..8e714bcb099f 100644 --- a/arch/arm/mach-ux500/include/mach/db5500-regs.h +++ b/arch/arm/mach-ux500/include/mach/db5500-regs.h @@ -65,8 +65,11 @@ #define U5500_PRCMU_TIMER_4_BASE (U5500_PER4_BASE + 0x07450) #define U5500_MSP1_BASE (U5500_PER4_BASE + 0x9000) #define U5500_GPIO2_BASE (U5500_PER4_BASE + 0xA000) +#define U5500_MTIMER_BASE (U5500_PER4_BASE + 0xC000) #define U5500_CDETECT_BASE (U5500_PER4_BASE + 0xF000) #define U5500_PRCMU_TCDM_BASE (U5500_PER4_BASE + 0x18000) +#define U5500_PRCMU_TCPM_BASE (U5500_PER4_BASE + 0x10000) +#define U5500_TPIU_BASE (U5500_PER4_BASE + 0x50000) #define U5500_SPI0_BASE (U5500_PER5_BASE + 0x0000) #define U5500_SPI1_BASE (U5500_PER5_BASE + 0x1000) @@ -125,6 +128,7 @@ #define U5500_ACCCON_BASE (0xBFFF1000) #define U5500_ACCCON_CPUVEC_RESET_ADDR_OFFSET (0x00000020) #define U5500_ACCCON_ACC_CPU_CTRL_OFFSET (0x000000BC) +#define U5500_INTCON_MBOX1_INT_RESET_ADDR (0xBFFD31A4) #define U5500_ESRAM_BASE 0x40000000 #define U5500_ESRAM_DMA_LCPA_OFFSET 0x10000 diff --git a/arch/arm/mach-ux500/include/mach/db8500-regs.h b/arch/arm/mach-ux500/include/mach/db8500-regs.h index 751b0e6938d4..8decf189445c 100644 --- a/arch/arm/mach-ux500/include/mach/db8500-regs.h +++ b/arch/arm/mach-ux500/include/mach/db8500-regs.h @@ -24,6 +24,9 @@ #define U8500_DMA_LCPA_BASE (U8500_ESRAM_BANK0 + U8500_ESRAM_DMA_LCPA_OFFSET) #define U8500_DMA_LCPA_BASE_ED (U8500_ESRAM_BANK4 + 0x4000) +/* This address fulfills the 256k alignment requirement of the lcla base */ +#define U8500_DMA_LCLA_BASE U8500_ESRAM_BANK4 + #define U8500_PER3_BASE 0x80000000 #define U8500_STM_BASE 0x80100000 #define U8500_STM_REG_BASE (U8500_STM_BASE + 0xF000) @@ -40,6 +43,7 @@ #define U8500_ASIC_ID_BASE 0x9001D000 #define U8500_PER6_BASE 0xa03c0000 +#define U8500_PER7_BASE 0xa03d0000 #define U8500_PER5_BASE 0xa03e0000 #define U8500_PER7_BASE_ED 0xa03d0000 From c15def1cc30edeaa74a97205c936be82cdc86df6 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Thu, 15 Dec 2011 13:38:40 +0100 Subject: [PATCH 5/6] ARM: ux500: remove support for early silicon revisions The DB8500 ED (Early Drop) and V1 are only available inside of ST-Ericsson or partners, we have actively replaced and scrapped these prototypes. All Nova products on the open market (such as the Snowball board) are based on V2 and later ASIC variants. So let us focus on supporting the silicon that will be used and delete this to get a clear overview. Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/board-mop500-sdi.c | 54 ++--- arch/arm/mach-ux500/clock.c | 203 +++++------------- arch/arm/mach-ux500/cpu-db8500.c | 30 +-- arch/arm/mach-ux500/devices-db8500.c | 10 - .../arm/mach-ux500/include/mach/db8500-regs.h | 16 +- arch/arm/mach-ux500/include/mach/devices.h | 2 - 6 files changed, 73 insertions(+), 242 deletions(-) diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c index cf93dca97b9a..23be34b3bb6e 100644 --- a/arch/arm/mach-ux500/board-mop500-sdi.c +++ b/arch/arm/mach-ux500/board-mop500-sdi.c @@ -21,6 +21,12 @@ #include "board-mop500.h" #include "ste-dma40-db8500.h" +/* + * v2 has a new version of this block that need to be forced, the number found + * in hardware is incorrect + */ +#define U8500_SDI_V2_PERIPHID 0x10480180 + /* * SDI 0 (MicroSD slot) */ @@ -117,10 +123,7 @@ static void sdi0_configure(void) gpio_direction_output(sdi0_en, 1); /* Add the device, force v2 to subrevision 1 */ - if (cpu_is_u8500v2()) - db8500_add_sdi0(&mop500_sdi0_data, 0x10480180); - else - db8500_add_sdi0(&mop500_sdi0_data, 0); + db8500_add_sdi0(&mop500_sdi0_data, U8500_SDI_V2_PERIPHID); } void mop500_sdi_tc35892_init(void) @@ -194,7 +197,8 @@ static struct stedma40_chan_cfg mop500_sdi2_dma_cfg_tx = { static struct mmci_platform_data mop500_sdi2_data = { .ocr_mask = MMC_VDD_165_195, .f_max = 50000000, - .capabilities = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, + .capabilities = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA | + MMC_CAP_MMC_HIGHSPEED, .gpio_cd = -1, .gpio_wp = -1, #ifdef CONFIG_STE_DMA40 @@ -244,20 +248,10 @@ static struct mmci_platform_data mop500_sdi4_data = { void __init mop500_sdi_init(void) { - u32 periphid = 0; - - /* v2 has a new version of this block that need to be forced */ - if (cpu_is_u8500v2()) - periphid = 0x10480180; - /* PoP:ed eMMC on top of DB8500 v1.0 has problems with high speed */ - if (!cpu_is_u8500v10()) - mop500_sdi2_data.capabilities |= MMC_CAP_MMC_HIGHSPEED; - - db8500_add_sdi2(&mop500_sdi2_data, periphid); - + /* PoP:ed eMMC */ + db8500_add_sdi2(&mop500_sdi2_data, U8500_SDI_V2_PERIPHID); /* On-board eMMC */ - db8500_add_sdi4(&mop500_sdi4_data, periphid); - + db8500_add_sdi4(&mop500_sdi4_data, U8500_SDI_V2_PERIPHID); /* * On boards with the TC35892 GPIO expander, sdi0 will finally * be added when the TC35892 initializes and calls @@ -267,13 +261,9 @@ void __init mop500_sdi_init(void) void __init snowball_sdi_init(void) { - u32 periphid = 0x10480180; - - mop500_sdi2_data.capabilities |= MMC_CAP_MMC_HIGHSPEED; - /* On-board eMMC */ - db8500_add_sdi4(&mop500_sdi4_data, periphid); - + db8500_add_sdi4(&mop500_sdi4_data, U8500_SDI_V2_PERIPHID); + /* External Micro SD slot */ mop500_sdi0_data.gpio_cd = SNOWBALL_SDMMC_CD_GPIO; mop500_sdi0_data.cd_invert = true; sdi0_en = SNOWBALL_SDMMC_EN_GPIO; @@ -283,19 +273,15 @@ void __init snowball_sdi_init(void) void __init hrefv60_sdi_init(void) { - u32 periphid = 0x10480180; - - mop500_sdi2_data.capabilities |= MMC_CAP_MMC_HIGHSPEED; - - db8500_add_sdi2(&mop500_sdi2_data, periphid); - + /* PoP:ed eMMC */ + db8500_add_sdi2(&mop500_sdi2_data, U8500_SDI_V2_PERIPHID); /* On-board eMMC */ - db8500_add_sdi4(&mop500_sdi4_data, periphid); - + db8500_add_sdi4(&mop500_sdi4_data, U8500_SDI_V2_PERIPHID); + /* External Micro SD slot */ mop500_sdi0_data.gpio_cd = HREFV60_SDMMC_CD_GPIO; sdi0_en = HREFV60_SDMMC_EN_GPIO; sdi0_vsel = HREFV60_SDMMC_1V8_3V_GPIO; sdi0_configure(); - - db8500_add_sdi1(&mop500_sdi1_data, periphid); + /* WLAN SDIO channel */ + db8500_add_sdi1(&mop500_sdi1_data, U8500_SDI_V2_PERIPHID); } diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c index e832664d1bd9..2ebf998bc77d 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 */ @@ -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; } diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index 13e8890a8b8a..ffc290e26b20 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2008-2009 ST-Ericsson + * Copyright (C) 2008-2009 ST-Ericsson SA * * Author: Srinidhi KASAGAR * @@ -54,19 +54,6 @@ static struct map_desc u8500_io_desc[] __initdata = { __IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K), __IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K), __IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K), -}; - -static struct map_desc u8500_ed_io_desc[] __initdata = { - __IO_DEV_DESC(U8500_MTU0_BASE_ED, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST7_BASE_ED, SZ_8K), -}; - -static struct map_desc u8500_v1_io_desc[] __initdata = { - __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K), - __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE_V1, SZ_4K), -}; - -static struct map_desc u8500_v2_io_desc[] __initdata = { __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K), }; @@ -81,13 +68,6 @@ void __init u8500_map_io(void) iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); - if (cpu_is_u8500ed()) - iotable_init(u8500_ed_io_desc, ARRAY_SIZE(u8500_ed_io_desc)); - else if (cpu_is_u8500v1()) - iotable_init(u8500_v1_io_desc, ARRAY_SIZE(u8500_v1_io_desc)); - else if (cpu_is_u8500v2()) - iotable_init(u8500_v2_io_desc, ARRAY_SIZE(u8500_v2_io_desc)); - _PRCMU_BASE = __io_address(U8500_PRCMU_BASE); } @@ -156,12 +136,9 @@ static resource_size_t __initdata db8500_gpio_base[] = { static void __init db8500_add_gpios(void) { struct nmk_gpio_platform_data pdata = { - /* No custom data yet */ + .supports_sleepmode = true, }; - if (cpu_is_u8500v2()) - pdata.supports_sleepmode = true; - dbx500_add_gpios(ARRAY_AND_SIZE(db8500_gpio_base), IRQ_DB8500_GPIO0, &pdata); } @@ -193,9 +170,6 @@ static int usb_db8500_tx_dma_cfg[] = { */ void __init u8500_init_devices(void) { - if (cpu_is_u8500ed()) - dma40_u8500ed_fixup(); - db8500_add_rtc(); db8500_add_gpios(); db8500_add_usb(usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg); diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c index 73b17404b194..a7c6cdc9b11e 100644 --- a/arch/arm/mach-ux500/devices-db8500.c +++ b/arch/arm/mach-ux500/devices-db8500.c @@ -166,16 +166,6 @@ struct platform_device u8500_dma40_device = { .resource = dma40_resources }; -void dma40_u8500ed_fixup(void) -{ - dma40_plat_data.memcpy = NULL; - dma40_plat_data.memcpy_len = 0; - dma40_resources[0].start = U8500_DMA_BASE_ED; - dma40_resources[0].end = U8500_DMA_BASE_ED + SZ_4K - 1; - dma40_resources[1].start = U8500_DMA_LCPA_BASE_ED; - dma40_resources[1].end = U8500_DMA_LCPA_BASE_ED + 2 * SZ_1K - 1; -} - struct resource keypad_resources[] = { [0] = { .start = U8500_SKE_BASE, diff --git a/arch/arm/mach-ux500/include/mach/db8500-regs.h b/arch/arm/mach-ux500/include/mach/db8500-regs.h index 8decf189445c..80e10f50282e 100644 --- a/arch/arm/mach-ux500/include/mach/db8500-regs.h +++ b/arch/arm/mach-ux500/include/mach/db8500-regs.h @@ -22,7 +22,6 @@ #define U8500_ESRAM_DMA_LCPA_OFFSET 0x10000 #define U8500_DMA_LCPA_BASE (U8500_ESRAM_BANK0 + U8500_ESRAM_DMA_LCPA_OFFSET) -#define U8500_DMA_LCPA_BASE_ED (U8500_ESRAM_BANK4 + 0x4000) /* This address fulfills the 256k alignment requirement of the lcla base */ #define U8500_DMA_LCLA_BASE U8500_ESRAM_BANK4 @@ -45,14 +44,12 @@ #define U8500_PER6_BASE 0xa03c0000 #define U8500_PER7_BASE 0xa03d0000 #define U8500_PER5_BASE 0xa03e0000 -#define U8500_PER7_BASE_ED 0xa03d0000 #define U8500_SVA_BASE 0xa0100000 #define U8500_SIA_BASE 0xa0200000 #define U8500_SGA_BASE 0xa0300000 #define U8500_MCDE_BASE 0xa0350000 -#define U8500_DMA_BASE_ED 0xa0362000 #define U8500_DMA_BASE 0x801C0000 /* v1 */ #define U8500_SBAG_BASE 0xa0390000 @@ -70,13 +67,6 @@ #define U8500_GPIO2_BASE (U8500_PER2_BASE + 0xE000) #define U8500_GPIO3_BASE (U8500_PER5_BASE + 0x1E000) -/* per7 base addresses */ -#define U8500_CR_BASE_ED (U8500_PER7_BASE_ED + 0x8000) -#define U8500_MTU0_BASE_ED (U8500_PER7_BASE_ED + 0xa000) -#define U8500_MTU1_BASE_ED (U8500_PER7_BASE_ED + 0xb000) -#define U8500_TZPC0_BASE_ED (U8500_PER7_BASE_ED + 0xc000) -#define U8500_CLKRST7_BASE_ED (U8500_PER7_BASE_ED + 0xf000) - #define U8500_UART0_BASE (U8500_PER1_BASE + 0x0000) #define U8500_UART1_BASE (U8500_PER1_BASE + 0x1000) @@ -106,12 +96,10 @@ #define U8500_SCR_BASE (U8500_PER4_BASE + 0x05000) #define U8500_DMC_BASE (U8500_PER4_BASE + 0x06000) #define U8500_PRCMU_BASE (U8500_PER4_BASE + 0x07000) -#define U8500_PRCMU_TIMER_3_BASE (U8500_PER4_BASE + 0x07338) -#define U8500_PRCMU_TIMER_4_BASE (U8500_PER4_BASE + 0x07450) -#define U8500_PRCMU_TCDM_BASE_V1 (U8500_PER4_BASE + 0x0f000) #define U8500_PRCMU_TCDM_BASE (U8500_PER4_BASE + 0x68000) #define U8500_PRCMU_TCPM_BASE (U8500_PER4_BASE + 0x60000) - +#define U8500_PRCMU_TIMER_3_BASE (U8500_PER4_BASE + 0x07338) +#define U8500_PRCMU_TIMER_4_BASE (U8500_PER4_BASE + 0x07450) /* per3 base addresses */ #define U8500_FSMC_BASE (U8500_PER3_BASE + 0x0000) diff --git a/arch/arm/mach-ux500/include/mach/devices.h b/arch/arm/mach-ux500/include/mach/devices.h index 020b6369a30a..5f6cb71fc62d 100644 --- a/arch/arm/mach-ux500/include/mach/devices.h +++ b/arch/arm/mach-ux500/include/mach/devices.h @@ -18,6 +18,4 @@ extern struct amba_device ux500_pl031_device; extern struct platform_device u8500_dma40_device; extern struct platform_device ux500_ske_keypad_device; -void dma40_u8500ed_fixup(void); - #endif From 1095843489f7a805106dc0cc39187d5df960d11a Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Mon, 19 Dec 2011 00:28:50 +0100 Subject: [PATCH 6/6] ARM: ux500: fix the smp_twd clock calculation The clock for the smp_twd block is not equal to the CPU frequency, actually it is divided by two, so fix this, and set the initial frequency to half of 1GHz which is the most common case. Reported-by: Daniel Lezcano Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/clock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c index 2ebf998bc77d..737907537004 100644 --- a/arch/arm/mach-ux500/clock.c +++ b/arch/arm/mach-ux500/clock.c @@ -651,7 +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) { @@ -677,7 +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;