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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-09-01 10:08:50 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-09-01 10:08:50 +0100 |
commit | b6d17c1a8e64e8b7f58dde3d353de664a492908a (patch) | |
tree | 160c175e9c3ab65a7221effadee78eba24e7d2f4 /arch/arm | |
parent | 1fd317076caf1ee22ddb6a7853a0ca462f0233c5 (diff) | |
parent | 14f0f512ba6f4eccc9b7cf67be47439ed2917afb (diff) | |
download | linux-3.10-b6d17c1a8e64e8b7f58dde3d353de664a492908a.tar.gz linux-3.10-b6d17c1a8e64e8b7f58dde3d353de664a492908a.tar.bz2 linux-3.10-b6d17c1a8e64e8b7f58dde3d353de664a492908a.zip |
Merge branch 'imx-for-2.6.36' of git://git.pengutronix.de/git/imx/linux-2.6
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-mx25/mach-cpuimx25.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-mx3/clock-imx35.c | 77 | ||||
-rw-r--r-- | arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-mx3/mach-cpuimx35.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-mx5/clock-mx51.c | 2 | ||||
-rw-r--r-- | arch/arm/plat-mxc/Kconfig | 1 | ||||
-rw-r--r-- | arch/arm/plat-mxc/include/mach/eukrea-baseboards.h | 4 | ||||
-rw-r--r-- | arch/arm/plat-mxc/tzic.c | 5 |
9 files changed, 68 insertions, 33 deletions
diff --git a/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c index 91931dcb068..4aaadc753d3 100644 --- a/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c +++ b/arch/arm/mach-mx25/eukrea_mbimxsd-baseboard.c @@ -215,7 +215,7 @@ struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata = { * Add platform devices present on this baseboard and init * them from CPU side as far as required to use them later on */ -void __init eukrea_mbimxsd_baseboard_init(void) +void __init eukrea_mbimxsd25_baseboard_init(void) { if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads, ARRAY_SIZE(eukrea_mbimxsd_pads))) diff --git a/arch/arm/mach-mx25/mach-cpuimx25.c b/arch/arm/mach-mx25/mach-cpuimx25.c index a5f0174290b..e064bb3d691 100644 --- a/arch/arm/mach-mx25/mach-cpuimx25.c +++ b/arch/arm/mach-mx25/mach-cpuimx25.c @@ -147,8 +147,8 @@ static void __init eukrea_cpuimx25_init(void) if (!otg_mode_host) mxc_register_device(&otg_udc_device, &otg_device_pdata); -#ifdef CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD - eukrea_mbimxsd_baseboard_init(); +#ifdef CONFIG_MACH_EUKREA_MBIMXSD25_BASEBOARD + eukrea_mbimxsd25_baseboard_init(); #endif } diff --git a/arch/arm/mach-mx3/clock-imx35.c b/arch/arm/mach-mx3/clock-imx35.c index d3af0fdf847..7a62e744a8b 100644 --- a/arch/arm/mach-mx3/clock-imx35.c +++ b/arch/arm/mach-mx3/clock-imx35.c @@ -155,7 +155,7 @@ static unsigned long get_rate_arm(void) aad = &clk_consumer[(pdr0 >> 16) & 0xf]; if (aad->sel) - fref = fref * 2 / 3; + fref = fref * 3 / 4; return fref / aad->arm; } @@ -164,7 +164,7 @@ static unsigned long get_rate_ahb(struct clk *clk) { unsigned long pdr0 = __raw_readl(CCM_BASE + CCM_PDR0); struct arm_ahb_div *aad; - unsigned long fref = get_rate_mpll(); + unsigned long fref = get_rate_arm(); aad = &clk_consumer[(pdr0 >> 16) & 0xf]; @@ -176,16 +176,11 @@ static unsigned long get_rate_ipg(struct clk *clk) return get_rate_ahb(NULL) >> 1; } -static unsigned long get_3_3_div(unsigned long in) -{ - return (((in >> 3) & 0x7) + 1) * ((in & 0x7) + 1); -} - static unsigned long get_rate_uart(struct clk *clk) { unsigned long pdr3 = __raw_readl(CCM_BASE + CCM_PDR3); unsigned long pdr4 = __raw_readl(CCM_BASE + CCM_PDR4); - unsigned long div = get_3_3_div(pdr4 >> 10); + unsigned long div = ((pdr4 >> 10) & 0x3f) + 1; if (pdr3 & (1 << 14)) return get_rate_arm() / div; @@ -216,7 +211,7 @@ static unsigned long get_rate_sdhc(struct clk *clk) break; } - return rate / get_3_3_div(div); + return rate / (div + 1); } static unsigned long get_rate_mshc(struct clk *clk) @@ -270,7 +265,7 @@ static unsigned long get_rate_csi(struct clk *clk) else rate = get_rate_ppll(); - return rate / get_3_3_div((pdr2 >> 16) & 0x3f); + return rate / (((pdr2 >> 16) & 0x3f) + 1); } static unsigned long get_rate_otg(struct clk *clk) @@ -283,25 +278,51 @@ static unsigned long get_rate_otg(struct clk *clk) else rate = get_rate_ppll(); - return rate / get_3_3_div((pdr4 >> 22) & 0x3f); + return rate / (((pdr4 >> 22) & 0x3f) + 1); } static unsigned long get_rate_ipg_per(struct clk *clk) { unsigned long pdr0 = __raw_readl(CCM_BASE + CCM_PDR0); unsigned long pdr4 = __raw_readl(CCM_BASE + CCM_PDR4); - unsigned long div1, div2; + unsigned long div; if (pdr0 & (1 << 26)) { - div1 = (pdr4 >> 19) & 0x7; - div2 = (pdr4 >> 16) & 0x7; - return get_rate_arm() / ((div1 + 1) * (div2 + 1)); + div = (pdr4 >> 16) & 0x3f; + return get_rate_arm() / (div + 1); } else { - div1 = (pdr0 >> 12) & 0x7; - return get_rate_ahb(NULL) / div1; + div = (pdr0 >> 12) & 0x7; + return get_rate_ahb(NULL) / (div + 1); } } +static unsigned long get_rate_hsp(struct clk *clk) +{ + unsigned long hsp_podf = (__raw_readl(CCM_BASE + CCM_PDR0) >> 20) & 0x03; + unsigned long fref = get_rate_mpll(); + + if (fref > 400 * 1000 * 1000) { + switch (hsp_podf) { + case 0: + return fref >> 2; + case 1: + return fref >> 3; + case 2: + return fref / 3; + } + } else { + switch (hsp_podf) { + case 0: + case 2: + return fref / 3; + case 1: + return fref / 6; + } + } + + return 0; +} + static int clk_cgr_enable(struct clk *clk) { u32 reg; @@ -359,7 +380,7 @@ DEFINE_CLOCK(i2c1_clk, 0, CCM_CGR1, 10, get_rate_ipg_per, NULL); DEFINE_CLOCK(i2c2_clk, 1, CCM_CGR1, 12, get_rate_ipg_per, NULL); DEFINE_CLOCK(i2c3_clk, 2, CCM_CGR1, 14, get_rate_ipg_per, NULL); DEFINE_CLOCK(iomuxc_clk, 0, CCM_CGR1, 16, NULL, NULL); -DEFINE_CLOCK(ipu_clk, 0, CCM_CGR1, 18, get_rate_ahb, NULL); +DEFINE_CLOCK(ipu_clk, 0, CCM_CGR1, 18, get_rate_hsp, NULL); DEFINE_CLOCK(kpp_clk, 0, CCM_CGR1, 20, get_rate_ipg, NULL); DEFINE_CLOCK(mlb_clk, 0, CCM_CGR1, 22, get_rate_ahb, NULL); DEFINE_CLOCK(mshc_clk, 0, CCM_CGR1, 24, get_rate_mshc, NULL); @@ -485,10 +506,10 @@ static struct clk_lookup lookups[] = { int __init mx35_clocks_init() { - unsigned int ll = 0; + unsigned int cgr2 = 3 << 26, cgr3 = 0; #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC) - ll = (3 << 16); + cgr2 |= 3 << 16; #endif clkdev_add_table(lookups, ARRAY_SIZE(lookups)); @@ -499,8 +520,20 @@ int __init mx35_clocks_init() __raw_writel((3 << 18), CCM_BASE + CCM_CGR0); __raw_writel((3 << 2) | (3 << 4) | (3 << 6) | (3 << 8) | (3 << 16), CCM_BASE + CCM_CGR1); - __raw_writel((3 << 26) | ll, CCM_BASE + CCM_CGR2); - __raw_writel(0, CCM_BASE + CCM_CGR3); + + /* + * Check if we came up in internal boot mode. If yes, we need some + * extra clocks turned on, otherwise the MX35 boot ROM code will + * hang after a watchdog reset. + */ + if (!(__raw_readl(CCM_BASE + CCM_RCSR) & (3 << 10))) { + /* Additionally turn on UART1, SCC, and IIM clocks */ + cgr2 |= 3 << 16 | 3 << 4; + cgr3 |= 3 << 2; + } + + __raw_writel(cgr2, CCM_BASE + CCM_CGR2); + __raw_writel(cgr3, CCM_BASE + CCM_CGR3); mxc_timer_init(&gpt_clk, MX35_IO_ADDRESS(MX35_GPT1_BASE_ADDR), MX35_INT_GPT); diff --git a/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c index 1dc5004df86..f8f15e3ac7a 100644 --- a/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c +++ b/arch/arm/mach-mx3/eukrea_mbimxsd-baseboard.c @@ -216,7 +216,7 @@ struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata = { * Add platform devices present on this baseboard and init * them from CPU side as far as required to use them later on */ -void __init eukrea_mbimxsd_baseboard_init(void) +void __init eukrea_mbimxsd35_baseboard_init(void) { if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads, ARRAY_SIZE(eukrea_mbimxsd_pads))) diff --git a/arch/arm/mach-mx3/mach-cpuimx35.c b/arch/arm/mach-mx3/mach-cpuimx35.c index 9770a6a973b..2a4f8b781ba 100644 --- a/arch/arm/mach-mx3/mach-cpuimx35.c +++ b/arch/arm/mach-mx3/mach-cpuimx35.c @@ -201,8 +201,8 @@ static void __init mxc_board_init(void) if (!otg_mode_host) mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); -#ifdef CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD - eukrea_mbimxsd_baseboard_init(); +#ifdef CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD + eukrea_mbimxsd35_baseboard_init(); #endif } diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c index 6af69def357..57c10a9926c 100644 --- a/arch/arm/mach-mx5/clock-mx51.c +++ b/arch/arm/mach-mx5/clock-mx51.c @@ -56,7 +56,7 @@ static void _clk_ccgr_disable(struct clk *clk) { u32 reg; reg = __raw_readl(clk->enable_reg); - reg &= ~(MXC_CCM_CCGRx_MOD_OFF << clk->enable_shift); + reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift); __raw_writel(reg, clk->enable_reg); } diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index 0527e65318f..6785db4179b 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -43,6 +43,7 @@ config ARCH_MXC91231 config ARCH_MX5 bool "MX5-based" select CPU_V7 + select ARM_L1_CACHE_SHIFT_6 help This enables support for systems based on the Freescale i.MX51 family diff --git a/arch/arm/plat-mxc/include/mach/eukrea-baseboards.h b/arch/arm/plat-mxc/include/mach/eukrea-baseboards.h index 634e3f4c454..656acb45d43 100644 --- a/arch/arm/plat-mxc/include/mach/eukrea-baseboards.h +++ b/arch/arm/plat-mxc/include/mach/eukrea-baseboards.h @@ -37,9 +37,9 @@ * mach-mx5/eukrea_mbimx51-baseboard.c for cpuimx51 */ -extern void eukrea_mbimx25_baseboard_init(void); +extern void eukrea_mbimxsd25_baseboard_init(void); extern void eukrea_mbimx27_baseboard_init(void); -extern void eukrea_mbimx35_baseboard_init(void); +extern void eukrea_mbimxsd35_baseboard_init(void); extern void eukrea_mbimx51_baseboard_init(void); #endif diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c index b3da9aad429..3703ab28257 100644 --- a/arch/arm/plat-mxc/tzic.c +++ b/arch/arm/plat-mxc/tzic.c @@ -164,8 +164,9 @@ int tzic_enable_wake(int is_idle) return -EAGAIN; for (i = 0; i < 4; i++) { - v = is_idle ? __raw_readl(TZIC_ENSET0(i)) : wakeup_intr[i]; - __raw_writel(v, TZIC_WAKEUP0(i)); + v = is_idle ? __raw_readl(tzic_base + TZIC_ENSET0(i)) : + wakeup_intr[i]; + __raw_writel(v, tzic_base + TZIC_WAKEUP0(i)); } return 0; |