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[src/trunk]: src/sys/arch/arm/amlogic clk helpers for sdhc and rng
details: https://anonhg.NetBSD.org/src/rev/974843201f46
branches: trunk
changeset: 336614:974843201f46
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Sat Mar 07 21:32:47 2015 +0000
description:
clk helpers for sdhc and rng
diffstat:
sys/arch/arm/amlogic/amlogic_board.c | 72 ++++++++++++++++++++++++++++++++++-
sys/arch/arm/amlogic/amlogic_crureg.h | 26 ++++++++++++-
sys/arch/arm/amlogic/amlogic_reg.h | 33 ++++++++++-----
sys/arch/arm/amlogic/amlogic_var.h | 16 +++++++-
4 files changed, 132 insertions(+), 15 deletions(-)
diffs (253 lines):
diff -r 9cbf04375712 -r 974843201f46 sys/arch/arm/amlogic/amlogic_board.c
--- a/sys/arch/arm/amlogic/amlogic_board.c Sat Mar 07 20:40:00 2015 +0000
+++ b/sys/arch/arm/amlogic/amlogic_board.c Sat Mar 07 21:32:47 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_board.c,v 1.7 2015/03/04 12:36:12 jmcneill Exp $ */
+/* $NetBSD: amlogic_board.c,v 1.8 2015/03/07 21:32:47 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -29,7 +29,7 @@
#include "opt_amlogic.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: amlogic_board.c,v 1.7 2015/03/04 12:36:12 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: amlogic_board.c,v 1.8 2015/03/07 21:32:47 jmcneill Exp $");
#define _ARM32_BUS_DMA_PRIVATE
#include <sys/param.h>
@@ -61,6 +61,10 @@
bus_space_write_4(&amlogic_bs_tag, amlogic_core_bsh, \
AMLOGIC_CBUS_OFFSET + (x), (v))
+#define CBUS_SET_CLEAR(x, s, c) \
+ amlogic_reg_set_clear(&amlogic_bs_tag, amlogic_core_bsh, \
+ AMLOGIC_CBUS_OFFSET + (x), (s), (c))
+
void
amlogic_bootstrap(void)
{
@@ -105,6 +109,26 @@
}
uint32_t
+amlogic_get_rate_fixed(void)
+{
+ uint32_t cntl;
+ uint64_t clk;
+ u_int mul, div, od;
+
+ clk = amlogic_get_rate_xtal();
+ cntl = CBUS_READ(HHI_MPLL_CNTL_REG);
+ mul = __SHIFTOUT(cntl, HHI_MPLL_CNTL_MUL);
+ div = __SHIFTOUT(cntl, HHI_MPLL_CNTL_DIV);
+ od = __SHIFTOUT(cntl, HHI_MPLL_CNTL_OD);
+
+ clk *= mul;
+ clk /= div;
+ clk >>= od;
+
+ return (uint32_t)clk;
+}
+
+uint32_t
amlogic_get_rate_a9(void)
{
uint32_t cntl0, cntl1;
@@ -164,6 +188,50 @@
CBUS_READ(EE_CLK_GATING1_REG) | EE_CLK_GATING1_ETHERNET);
}
+void
+amlogic_rng_init(void)
+{
+ printf("%s: GATING0 = %#x, GATING3 = %#x\n", __func__,
+ CBUS_READ(EE_CLK_GATING0_REG), CBUS_READ(EE_CLK_GATING3_REG));
+
+ CBUS_WRITE(EE_CLK_GATING0_REG,
+ CBUS_READ(EE_CLK_GATING0_REG) | EE_CLK_GATING0_RNG);
+ CBUS_WRITE(EE_CLK_GATING3_REG,
+ CBUS_READ(EE_CLK_GATING3_REG) | EE_CLK_GATING3_RNG);
+
+ printf("%s: GATING0 = %#x, GATING3 = %#x\n", __func__,
+ CBUS_READ(EE_CLK_GATING0_REG), CBUS_READ(EE_CLK_GATING3_REG));
+}
+
+void
+amlogic_sdhc_init(void)
+{
+ /* CARD -> SDHC pin mux settings */
+ CBUS_SET_CLEAR(PERIPHS_PIN_MUX_5_REG, 0, 0x00007c00);
+ CBUS_SET_CLEAR(PERIPHS_PIN_MUX_4_REG, 0, 0x7c000000);
+ CBUS_SET_CLEAR(PERIPHS_PIN_MUX_2_REG, 0, 0x0000fc00);
+ CBUS_SET_CLEAR(PERIPHS_PIN_MUX_8_REG, 0, 0x00000600);
+ CBUS_SET_CLEAR(PERIPHS_PIN_MUX_2_REG, 0x000000f0, 0);
+
+ const uint32_t pupd_mask = __BITS(25,20); /* CARD_0-CARD_5 */
+ CBUS_SET_CLEAR(CBUS_REG(0x203c), pupd_mask, 0); /* PU/PD */
+ CBUS_SET_CLEAR(CBUS_REG(0x204a), pupd_mask, 0); /* PU/PD-EN */
+
+ const uint32_t io_mask = __BITS(27,22); /* CARD_0-CARD_5 */
+ CBUS_SET_CLEAR(CBUS_REG(0x200c), io_mask, 0); /* OEN */
+
+ /* XXX ODROID-C1 specific */
+ const uint32_t pwr_mask = __BIT(31); /* CARD_8 */
+ CBUS_SET_CLEAR(CBUS_REG(0x201c), 0, pwr_mask); /* O */
+ CBUS_SET_CLEAR(CBUS_REG(0x201b), 0, pwr_mask); /* OEN */
+ const uint32_t cd_mask = __BIT(29);
+ CBUS_SET_CLEAR(CBUS_REG(0x201b), cd_mask, 0); /* OEN */
+
+ /* enable SDHC clk */
+ CBUS_WRITE(EE_CLK_GATING0_REG,
+ CBUS_READ(EE_CLK_GATING0_REG) | EE_CLK_GATING0_SDHC);
+}
+
static void
amlogic_usbphy_clkgate_enable(int port)
{
diff -r 9cbf04375712 -r 974843201f46 sys/arch/arm/amlogic/amlogic_crureg.h
--- a/sys/arch/arm/amlogic/amlogic_crureg.h Sat Mar 07 20:40:00 2015 +0000
+++ b/sys/arch/arm/amlogic/amlogic_crureg.h Sat Mar 07 21:32:47 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_crureg.h,v 1.5 2015/03/04 12:36:12 jmcneill Exp $ */
+/* $NetBSD: amlogic_crureg.h,v 1.6 2015/03/07 21:32:47 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -36,6 +36,10 @@
#define EE_CLK_GATING2_REG CBUS_REG(0x1052)
#define EE_CLK_GATING3_REG CBUS_REG(0x1054)
+#define EE_CLK_GATING0_SDIO __BIT(17)
+#define EE_CLK_GATING0_SDHC __BIT(14)
+#define EE_CLK_GATING0_RNG __BIT(12)
+
#define EE_CLK_GATING1_USB_GENERAL __BIT(26)
#define EE_CLK_GATING1_USB1 __BIT(22)
#define EE_CLK_GATING1_USB0 __BIT(21)
@@ -44,6 +48,7 @@
#define EE_CLK_GATING2_USB0_TO_DDR __BIT(9)
#define EE_CLK_GATING2_USB1_TO_DDR __BIT(8)
+#define EE_CLK_GATING3_RNG __BIT(21)
#define HHI_SYS_CPU_CLK_CNTL1_REG CBUS_REG(0x1057)
#define HHI_SYS_CPU_CLK_CNTL1_SDIV __BITS(29,20)
@@ -59,12 +64,31 @@
#define HHI_SYS_PLL_CNTL_DIV __BITS(14,9)
#define HHI_SYS_PLL_CNTL_OD __BITS(17,16)
+#define HHI_MPLL_CNTL_REG CBUS_REG(0x10a0)
+#define HHI_MPLL_CNTL_MUL __BITS(8,0)
+#define HHI_MPLL_CNTL_DIV __BITS(13,9)
+#define HHI_MPLL_CNTL_OD __BITS(17,16)
+
#define RESET1_REG CBUS_REG(0x1102)
#define RESET1_USB __BIT(2)
#define PREG_CTLREG0_ADDR_REG CBUS_REG(0x2000)
#define PREG_CTLREG0_ADDR_CLKRATE __BITS(9,4)
+#define PERIPHS_PIN_MUX_0_REG CBUS_REG(0x202c)
+#define PERIPHS_PIN_MUX_1_REG CBUS_REG(0x202d)
+#define PERIPHS_PIN_MUX_2_REG CBUS_REG(0x202e)
+#define PERIPHS_PIN_MUX_3_REG CBUS_REG(0x202f)
+#define PERIPHS_PIN_MUX_4_REG CBUS_REG(0x2030)
+#define PERIPHS_PIN_MUX_5_REG CBUS_REG(0x2031)
+#define PERIPHS_PIN_MUX_6_REG CBUS_REG(0x2032)
+#define PERIPHS_PIN_MUX_7_REG CBUS_REG(0x2033)
+#define PERIPHS_PIN_MUX_8_REG CBUS_REG(0x2034)
+#define PERIPHS_PIN_MUX_9_REG CBUS_REG(0x2035)
+
+#define RAND64_ADDR0_REG CBUS_REG(0x2040)
+#define RAND64_ADDR1_REG CBUS_REG(0x2041)
+
#define PREI_USB_PHY_A_CFG_REG CBUS_REG(0x2200)
#define PREI_USB_PHY_A_CTRL_REG CBUS_REG(0x2201)
#define PREI_USB_PHY_A_ADP_BC_REG CBUS_REG(0x2203)
diff -r 9cbf04375712 -r 974843201f46 sys/arch/arm/amlogic/amlogic_reg.h
--- a/sys/arch/arm/amlogic/amlogic_reg.h Sat Mar 07 20:40:00 2015 +0000
+++ b/sys/arch/arm/amlogic/amlogic_reg.h Sat Mar 07 21:32:47 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_reg.h,v 1.6 2015/03/04 12:36:12 jmcneill Exp $ */
+/* $NetBSD: amlogic_reg.h,v 1.7 2015/03/07 21:32:47 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -35,21 +35,32 @@
#define AMLOGIC_CORE_SIZE 0x1b000000
#define AMLOGIC_CORE_VBASE 0xe0000000
+#define AMLOGIC_REF_FREQ 24000000
+
#define AMLOGIC_CBUS_OFFSET 0x01100000
+#define AMLOGIC_RAND_OFFSET 0x01108100
+#define AMLOGIC_RAND_SIZE 0x8
+
+#define AMLOGIC_SDIO_OFFSET 0x01108c20
+#define AMLOGIC_SDIO_SIZE 0x20
+
+#define AMLOGIC_SDHC_OFFSET 0x01108e00
+#define AMLOGIC_SDHC_SIZE 0x30
+
+#define AMLOGIC_PL310_OFFSET 0x04200000
+
+#define AMLOGIC_DMC_OFFSET 0x08006000
+#define AMLOGIC_DMC_SIZE 0x400
+
+#define AMLOGIC_AOBUS_OFFSET 0x08100000
+
+#define AMLOGIC_GPIOAO_OFFSET 0x08100024
+
#define AMLOGIC_UART0AO_OFFSET 0x081004c0
#define AMLOGIC_UART2AO_OFFSET 0x081004e0
#define AMLOGIC_UART_SIZE 0x20
-#define AMLOGIC_UART_FREQ 24000000
-
-#define AMLOGIC_MMC_OFFSET 0x01108e00
-#define AMLOGIC_MMC_SIZE 0x30
-
-#define AMLOGIC_PL310_OFFSET 0x04200000
-
-#define AMLOGIC_AOBUS_OFFSET 0x08100000
-
-#define AMLOGIC_GPIOAO_OFFSET 0x08100024
+#define AMLOGIC_UART_FREQ AMLOGIC_REF_FREQ
#define AMLOGIC_USB0_OFFSET 0x09040000
#define AMLOGIC_USB1_OFFSET 0x090c0000
diff -r 9cbf04375712 -r 974843201f46 sys/arch/arm/amlogic/amlogic_var.h
--- a/sys/arch/arm/amlogic/amlogic_var.h Sat Mar 07 20:40:00 2015 +0000
+++ b/sys/arch/arm/amlogic/amlogic_var.h Sat Mar 07 21:32:47 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_var.h,v 1.4 2015/03/05 23:43:53 jmcneill Exp $ */
+/* $NetBSD: amlogic_var.h,v 1.5 2015/03/07 21:32:47 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -60,10 +60,24 @@
void amlogic_usbphy_init(int);
void amlogic_eth_init(void);
+void amlogic_sdhc_init(void);
+void amlogic_rng_init(void);
uint32_t amlogic_get_rate_xtal(void);
uint32_t amlogic_get_rate_sys(void);
+uint32_t amlogic_get_rate_fixed(void);
uint32_t amlogic_get_rate_a9(void);
uint32_t amlogic_get_rate_a9periph(void);
+static void inline
+amlogic_reg_set_clear(bus_space_tag_t bst, bus_space_handle_t bsh,
+ bus_size_t o, uint32_t set_mask, uint32_t clr_mask)
+{
+ const uint32_t old = bus_space_read_4(bst, bsh, o);
+ const uint32_t new = set_mask | (old & ~clr_mask);
+ if (old != new) {
+ bus_space_write_4(bst, bsh, o, new);
+ }
+}
+
#endif /* _ARM_AMLOGIC_VAR_H */
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