diff options
Diffstat (limited to 'arch/arm/cpu/armv7/am33xx/clock_ti814x.c')
-rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock_ti814x.c | 120 |
1 files changed, 15 insertions, 105 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/clock_ti814x.c b/arch/arm/cpu/armv7/am33xx/clock_ti814x.c index 658772bbe39..ef14f47ebc4 100644 --- a/arch/arm/cpu/armv7/am33xx/clock_ti814x.c +++ b/arch/arm/cpu/armv7/am33xx/clock_ti814x.c @@ -100,103 +100,8 @@ struct ad_pll { #define OSC_SRC_CTRL (PLL_SUBSYS_BASE + 0x2C0) -/* PRCM */ #define ENET_CLKCTRL_CMPL 0x30000 -#define CM_DEFAULT_BASE (PRCM_BASE + 0x0500) - -struct cm_def { - unsigned int resv0[2]; - unsigned int l3fastclkstctrl; - unsigned int resv1[1]; - unsigned int pciclkstctrl; - unsigned int resv2[1]; - unsigned int ducaticlkstctrl; - unsigned int resv3[1]; - unsigned int emif0clkctrl; - unsigned int emif1clkctrl; - unsigned int dmmclkctrl; - unsigned int fwclkctrl; - unsigned int resv4[10]; - unsigned int usbclkctrl; - unsigned int resv5[1]; - unsigned int sataclkctrl; - unsigned int resv6[4]; - unsigned int ducaticlkctrl; - unsigned int pciclkctrl; -}; - -#define CM_ALWON_BASE (PRCM_BASE + 0x1400) - -struct cm_alwon { - unsigned int l3slowclkstctrl; - unsigned int ethclkstctrl; - unsigned int l3medclkstctrl; - unsigned int mmu_clkstctrl; - unsigned int mmucfg_clkstctrl; - unsigned int ocmc0clkstctrl; - unsigned int vcpclkstctrl; - unsigned int mpuclkstctrl; - unsigned int sysclk4clkstctrl; - unsigned int sysclk5clkstctrl; - unsigned int sysclk6clkstctrl; - unsigned int rtcclkstctrl; - unsigned int l3fastclkstctrl; - unsigned int resv0[67]; - unsigned int mcasp0clkctrl; - unsigned int mcasp1clkctrl; - unsigned int mcasp2clkctrl; - unsigned int mcbspclkctrl; - unsigned int uart0clkctrl; - unsigned int uart1clkctrl; - unsigned int uart2clkctrl; - unsigned int gpio0clkctrl; - unsigned int gpio1clkctrl; - unsigned int i2c0clkctrl; - unsigned int i2c1clkctrl; - unsigned int mcasp345clkctrl; - unsigned int atlclkctrl; - unsigned int mlbclkctrl; - unsigned int pataclkctrl; - unsigned int resv1[1]; - unsigned int uart3clkctrl; - unsigned int uart4clkctrl; - unsigned int uart5clkctrl; - unsigned int wdtimerclkctrl; - unsigned int spiclkctrl; - unsigned int mailboxclkctrl; - unsigned int spinboxclkctrl; - unsigned int mmudataclkctrl; - unsigned int resv2[2]; - unsigned int mmucfgclkctrl; - unsigned int resv3[2]; - unsigned int ocmc0clkctrl; - unsigned int vcpclkctrl; - unsigned int resv4[2]; - unsigned int controlclkctrl; - unsigned int resv5[2]; - unsigned int gpmcclkctrl; - unsigned int ethernet0clkctrl; - unsigned int ethernet1clkctrl; - unsigned int mpuclkctrl; - unsigned int debugssclkctrl; - unsigned int l3clkctrl; - unsigned int l4hsclkctrl; - unsigned int l4lsclkctrl; - unsigned int rtcclkctrl; - unsigned int tpccclkctrl; - unsigned int tptc0clkctrl; - unsigned int tptc1clkctrl; - unsigned int tptc2clkctrl; - unsigned int tptc3clkctrl; - unsigned int resv7[4]; - unsigned int dcan01clkctrl; - unsigned int mmchs0clkctrl; - unsigned int mmchs1clkctrl; - unsigned int mmchs2clkctrl; - unsigned int custefuseclkctrl; -}; - #define SATA_PLL_BASE (CTRL_BASE + 0x0720) struct sata_pll { @@ -264,11 +169,6 @@ const struct sata_pll *spll = (struct sata_pll *)SATA_PLL_BASE; */ static void enable_per_clocks(void) { - /* UART0 */ - writel(PRCM_MOD_EN, &cmalwon->uart0clkctrl); - while (readl(&cmalwon->uart0clkctrl) != PRCM_MOD_EN) - ; - /* HSMMC1 */ writel(PRCM_MOD_EN, &cmalwon->mmchs1clkctrl); while (readl(&cmalwon->mmchs1clkctrl) != PRCM_MOD_EN) @@ -282,6 +182,12 @@ static void enable_per_clocks(void) writel(PRCM_MOD_EN, &cmalwon->ethernet1clkctrl); while ((readl(&cmalwon->ethernet1clkctrl) & ENET_CLKCTRL_CMPL) != 0) ; + + /* RTC clocks */ + writel(PRCM_MOD_EN, &cmalwon->rtcclkstctrl); + writel(PRCM_MOD_EN, &cmalwon->rtcclkctrl); + while (readl(&cmalwon->rtcclkctrl) != PRCM_MOD_EN) + ; } /* @@ -455,8 +361,6 @@ void sata_pll_config(void) ; } -void enable_emif_clocks(void) {}; - void enable_dmm_clocks(void) { writel(PRCM_MOD_EN, &cmdef->fwclkctrl); @@ -477,13 +381,19 @@ void enable_dmm_clocks(void) ; } +void setup_clocks_for_console(void) +{ + unlock_pll_control_mmr(); + /* UART0 */ + writel(PRCM_MOD_EN, &cmalwon->uart0clkctrl); + while (readl(&cmalwon->uart0clkctrl) != PRCM_MOD_EN) + ; +} /* * Configure the PLL/PRCM for necessary peripherals */ -void pll_init() +void prcm_init(void) { - unlock_pll_control_mmr(); - /* Enable the control module */ writel(PRCM_MOD_EN, &cmalwon->controlclkctrl); |