summaryrefslogtreecommitdiff
path: root/src/soc/nvidia/tegra132/clock.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc/nvidia/tegra132/clock.c')
-rw-r--r--src/soc/nvidia/tegra132/clock.c61
1 files changed, 30 insertions, 31 deletions
diff --git a/src/soc/nvidia/tegra132/clock.c b/src/soc/nvidia/tegra132/clock.c
index d811fd85d8..db8a529223 100644
--- a/src/soc/nvidia/tegra132/clock.c
+++ b/src/soc/nvidia/tegra132/clock.c
@@ -28,7 +28,6 @@
#include "pmc.h"
#include "sysctr.h"
-static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE;
static struct clst_clk_ctlr *clst_clk = (void *)TEGRA_CLUSTER_CLOCK_BASE;
static struct flow_ctlr *flow = (void *)TEGRA_FLOW_BASE;
static struct tegra_pmc_regs *pmc = (void *)TEGRA_PMC_BASE;
@@ -164,7 +163,7 @@ struct {
*/
static u32 clock_get_osc_bits(void)
{
- return (readl(&clk_rst->osc_ctrl) & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
+ return (readl(CLK_RST_REG(osc_ctrl)) & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
}
int clock_get_osc_khz(void)
@@ -174,7 +173,7 @@ int clock_get_osc_khz(void)
int clock_get_pll_input_khz(void)
{
- u32 osc_ctrl = readl(&clk_rst->osc_ctrl);
+ u32 osc_ctrl = readl(CLK_RST_REG(osc_ctrl));
u32 osc_bits = (osc_ctrl & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
u32 pll_ref_div = (osc_ctrl & OSC_PREDIV_MASK) >> OSC_PREDIV_SHIFT;
return osc_table[osc_bits].khz >> pll_ref_div;
@@ -204,13 +203,13 @@ void sor_clock_stop(void)
* FIXME: this has to be cleaned up a bit more.
* Waiting on some new info from Nvidia.
*/
- clrbits_le32(&clk_rst->clk_src_sor, SOR0_CLK_SEL0 | SOR0_CLK_SEL1);
+ clrbits_le32(CLK_RST_REG(clk_src_sor), SOR0_CLK_SEL0 | SOR0_CLK_SEL1);
}
void sor_clock_start(void)
{
/* uses PLLP, has a non-standard bit layout. */
- setbits_le32(&clk_rst->clk_src_sor, SOR0_CLK_SEL0);
+ setbits_le32(CLK_RST_REG(clk_src_sor), SOR0_CLK_SEL0);
}
static void init_pll(u32 *base, u32 *misc, const union pll_fields pll, u32 lock)
@@ -241,19 +240,19 @@ static void init_utmip_pll(void)
int khz = clock_get_pll_input_khz();
/* Shut off PLL crystal clock while we mess with it */
- clrbits_le32(&clk_rst->utmip_pll_cfg2, 1 << 30); /* PHY_XTAL_CLKEN */
+ clrbits_le32(CLK_RST_REG(utmip_pll_cfg2), 1 << 30); /* PHY_XTAL_CLKEN */
udelay(1);
write32(80 << 16 | /* (rst) phy_divn */
1 << 8 | /* (rst) phy_divm */
- 0, &clk_rst->utmip_pll_cfg0); /* 960MHz * 1 / 80 == 12 MHz */
+ 0, CLK_RST_REG(utmip_pll_cfg0));/* 960MHz * 1 / 80 == 12 MHz */
write32(div_round_up(khz, 8000) << 27 | /* pllu_enbl_cnt / 8 (1us) */
0 << 16 | /* PLLU pwrdn */
0 << 14 | /* pll_enable pwrdn */
0 << 12 | /* pll_active pwrdn */
div_round_up(khz, 102) << 0 | /* phy_stbl_cnt / 256 (2.5ms) */
- 0, &clk_rst->utmip_pll_cfg1);
+ 0, CLK_RST_REG(utmip_pll_cfg1));
/* TODO: TRM can't decide if actv is 5us or 10us, keep an eye on it */
write32(0 << 24 | /* SAMP_D/XDEV pwrdn */
@@ -262,9 +261,9 @@ static void init_utmip_pll(void)
0 << 4 | /* SAMP_C/USB3 pwrdn */
0 << 2 | /* SAMP_B/XHOST pwrdn */
0 << 0 | /* SAMP_A/USBD pwrdn */
- 0, &clk_rst->utmip_pll_cfg2);
+ 0, CLK_RST_REG(utmip_pll_cfg2));
- setbits_le32(&clk_rst->utmip_pll_cfg2, 1 << 30); /* PHY_XTAL_CLKEN */
+ setbits_le32(CLK_RST_REG(utmip_pll_cfg2), 1 << 30); /* PHY_XTAL_CLKEN */
}
/* Graphics just has to be different. There's a few more bits we
@@ -274,7 +273,7 @@ static void init_utmip_pll(void)
static void graphics_pll(void)
{
int osc = clock_get_osc_bits();
- u32 *cfg = &clk_rst->plldp_ss_cfg;
+ u32 *cfg = CLK_RST_REG(plldp_ss_cfg);
/* the vendor code sets the dither bit (28)
* an undocumented bit (24)
* and clamp while we mess with it (22)
@@ -287,7 +286,7 @@ static void graphics_pll(void)
*/
u32 scfg = (1 << 28) | (1 << 24) | (1 << 22);
writel(scfg, cfg);
- init_pll(&clk_rst->plldp_base, &clk_rst->plldp_misc,
+ init_pll(CLK_RST_REG(plldp_base), CLK_RST_REG(plldp_misc),
osc_table[osc].plldp, PLLDPD2_MISC_LOCK_ENABLE);
/* leave dither and undoc bits set, release clamp */
scfg = (1<<28) | (1<<24);
@@ -386,7 +385,7 @@ clock_display(u32 frequency)
printk(BIOS_DEBUG, "%s: PLLD=%u ref=%u, m/n/p/cpcon=%u/%u/%u/%u\n",
__func__, rounded_rate, ref, plld.m, plld.n, plld.p, plld.cpcon);
- init_pll(&clk_rst->plld_base, &clk_rst->plld_misc, plld,
+ init_pll(CLK_RST_REG(plld_base), CLK_RST_REG(plld_misc), plld,
(PLLUD_MISC_LOCK_ENABLE | PLLD_MISC_CLK_ENABLE));
return rounded_rate;
@@ -402,7 +401,7 @@ void clock_early_uart(void)
{
write32(CLK_SRC_DEV_ID(UARTA, CLK_M) << CLK_SOURCE_SHIFT |
CLK_UART_DIV_OVERRIDE |
- CLK_DIVIDER(TEGRA_CLK_M_KHZ, 1900), &clk_rst->clk_src_uarta);
+ CLK_DIVIDER(TEGRA_CLK_M_KHZ, 1900), CLK_RST_REG(clk_src_uarta));
clock_enable_clear_reset_l(CLK_L_UARTA);
}
@@ -451,22 +450,22 @@ void clock_sdram(u32 m, u32 n, u32 p, u32 setup, u32 ph45, u32 ph90,
* values after coldboot reset).
*/
- writel(misc1, &clk_rst->pllm_misc1);
- writel(misc2, &clk_rst->pllm_misc2);
+ writel(misc1, CLK_RST_REG(pllm_misc1));
+ writel(misc2, CLK_RST_REG(pllm_misc2));
/* PLLM.BASE needs BYPASS=0, different from general init_pll */
- base = readl(&clk_rst->pllm_base);
+ base = readl(CLK_RST_REG(pllm_base));
base &= ~(PLLCMX_BASE_DIVN_MASK | PLLCMX_BASE_DIVM_MASK |
PLLM_BASE_DIVP_MASK | PLL_BASE_BYPASS);
base |= ((m << PLL_BASE_DIVM_SHIFT) | (n << PLL_BASE_DIVN_SHIFT) |
(p << PLL_BASE_DIVP_SHIFT));
- writel(base, &clk_rst->pllm_base);
+ writel(base, CLK_RST_REG(pllm_base));
- setbits_le32(&clk_rst->pllm_base, PLL_BASE_ENABLE);
+ setbits_le32(CLK_RST_REG(pllm_base), PLL_BASE_ENABLE);
/* stable_time is required, before we can start to check lock. */
udelay(stable_time);
- while (!(readl(&clk_rst->pllm_base) & PLL_BASE_LOCK))
+ while (!(readl(CLK_RST_REG(pllm_base)) & PLL_BASE_LOCK))
udelay(1);
/*
@@ -476,11 +475,11 @@ void clock_sdram(u32 m, u32 n, u32 p, u32 setup, u32 ph45, u32 ph90,
udelay(10);
/* Put OUT1 out of reset state (start to output). */
- setbits_le32(&clk_rst->pllm_out, PLLM_OUT1_RSTN_RESET_DISABLE);
+ setbits_le32(CLK_RST_REG(pllm_out), PLLM_OUT1_RSTN_RESET_DISABLE);
/* Enable and start MEM(MC) and EMC. */
clock_enable_clear_reset(0, CLK_H_MEM | CLK_H_EMC, 0, 0, 0, 0);
- writel(emc_source, &clk_rst->clk_src_emc);
+ writel(emc_source, CLK_RST_REG(clk_src_emc));
udelay(IO_STABILIZATION_DELAY);
}
@@ -536,24 +535,24 @@ void clock_init(void)
u32 osc = clock_get_osc_bits();
/* Set PLLC dynramp_step A to 0x2b and B to 0xb (from U-Boot -- why? */
- writel(0x2b << 17 | 0xb << 9, &clk_rst->pllc_misc2);
+ writel(0x2b << 17 | 0xb << 9, CLK_RST_REG(pllc_misc2));
/* Max out the AVP clock before everything else (need PLLC for that). */
- init_pll(&clk_rst->pllc_base, &clk_rst->pllc_misc,
+ init_pll(CLK_RST_REG(pllc_base), CLK_RST_REG(pllc_misc),
osc_table[osc].pllc, PLLC_MISC_LOCK_ENABLE);
/* Typical ratios are 1:2:2 or 1:2:3 sclk:hclk:pclk (See: APB DMA
* features section in the TRM). */
write32(1 << HCLK_DIVISOR_SHIFT | 0 << PCLK_DIVISOR_SHIFT,
- &clk_rst->clk_sys_rate); /* pclk = hclk = sclk/2 */
+ CLK_RST_REG(clk_sys_rate)); /* pclk = hclk = sclk/2 */
write32(CLK_DIVIDER(TEGRA_PLLC_KHZ, 300000) << PLL_OUT_RATIO_SHIFT |
- PLL_OUT_CLKEN | PLL_OUT_RSTN, &clk_rst->pllc_out);
+ PLL_OUT_CLKEN | PLL_OUT_RSTN, CLK_RST_REG(pllc_out));
write32(SCLK_SYS_STATE_RUN << SCLK_SYS_STATE_SHIFT |
SCLK_SOURCE_PLLC_OUT1 << SCLK_RUN_SHIFT,
- &clk_rst->sclk_brst_pol); /* sclk = 300 MHz */
+ CLK_RST_REG(sclk_brst_pol)); /* sclk = 300 MHz */
/* Change the oscillator drive strength (from U-Boot -- why?) */
- clrsetbits_le32(&clk_rst->osc_ctrl, OSC_XOFS_MASK,
+ clrsetbits_le32(CLK_RST_REG(osc_ctrl), OSC_XOFS_MASK,
OSC_DRIVE_STRENGTH << OSC_XOFS_SHIFT);
/*
@@ -569,15 +568,15 @@ void clock_init(void)
PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT1_SHIFT |
(CLK_DIVIDER(TEGRA_PLLP_KHZ, 48000) << PLL_OUT_RATIO_SHIFT |
PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT2_SHIFT,
- &clk_rst->pllp_outa);
+ CLK_RST_REG(pllp_outa));
write32((CLK_DIVIDER(TEGRA_PLLP_KHZ, 102000) << PLL_OUT_RATIO_SHIFT |
PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT3_SHIFT |
(CLK_DIVIDER(TEGRA_PLLP_KHZ, 204000) << PLL_OUT_RATIO_SHIFT |
PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT4_SHIFT,
- &clk_rst->pllp_outb);
+ CLK_RST_REG(pllp_outb));
/* init pllu */
- init_pll(&clk_rst->pllu_base, &clk_rst->pllu_misc,
+ init_pll(CLK_RST_REG(pllu_base), CLK_RST_REG(pllu_misc),
osc_table[osc].pllu, PLLUD_MISC_LOCK_ENABLE);
init_utmip_pll();