[PATCH 3/7] at91: sam926x: switch lowlevel param to c code
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Sat Dec 29 05:08:13 EST 2012
Instead of hardcode define use a struct that the board fill
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
arch/arm/boards/at91sam9263ek/Makefile | 5 +
arch/arm/boards/at91sam9263ek/config.h | 87 -------------
arch/arm/boards/at91sam9263ek/lowlevel_init.c | 104 +++++++++++++++
arch/arm/boards/mmccpu/Makefile | 5 +
arch/arm/boards/mmccpu/config.h | 118 -----------------
arch/arm/boards/mmccpu/lowlevel_init.c | 135 ++++++++++++++++++++
arch/arm/boards/pm9261/Makefile | 5 +
arch/arm/boards/pm9261/config.h | 87 -------------
arch/arm/boards/pm9261/lowlevel_init.c | 102 +++++++++++++++
arch/arm/boards/pm9263/Makefile | 5 +
arch/arm/boards/pm9263/config.h | 103 ---------------
arch/arm/mach-at91/at91sam926x_lowlevel_init.c | 64 ++++++----
.../mach-at91/include/mach/at91_lowlevel_init.h | 33 +++++
13 files changed, 435 insertions(+), 418 deletions(-)
create mode 100644 arch/arm/boards/at91sam9263ek/lowlevel_init.c
create mode 100644 arch/arm/boards/mmccpu/lowlevel_init.c
create mode 100644 arch/arm/boards/pm9261/lowlevel_init.c
create mode 100644 arch/arm/mach-at91/include/mach/at91_lowlevel_init.h
diff --git a/arch/arm/boards/at91sam9263ek/Makefile b/arch/arm/boards/at91sam9263ek/Makefile
index eb072c0..aecbc5a 100644
--- a/arch/arm/boards/at91sam9263ek/Makefile
+++ b/arch/arm/boards/at91sam9263ek/Makefile
@@ -1 +1,6 @@
obj-y += init.o
+
+lowlevel_init-y = lowlevel_init.o
+obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
+
+pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
diff --git a/arch/arm/boards/at91sam9263ek/config.h b/arch/arm/boards/at91sam9263ek/config.h
index 14eb4fe..cc12040 100644
--- a/arch/arm/boards/at91sam9263ek/config.h
+++ b/arch/arm/boards/at91sam9263ek/config.h
@@ -3,91 +3,4 @@
#define AT91_MAIN_CLOCK 16367660 /* 16.367 MHz crystal */
-#define MASTER_PLL_MUL 171
-#define MASTER_PLL_DIV 14
-
-/* clocks */
-#define CONFIG_SYS_MOR_VAL \
- (AT91_PMC_MOSCEN | \
- (255 << 8)) /* Main Oscillator Start-up Time */
-#define CONFIG_SYS_PLLAR_VAL \
- (AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */ \
- AT91_PMC_OUT | \
- AT91_PMC_PLLCOUNT | /* PLL Counter */ \
- (2 << 28) | /* PLL Clock Frequency Range */ \
- ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV))
-
-/* PCK/2 = MCK Master Clock from PLLA */
-#define CONFIG_SYS_MCKR1_VAL \
- (AT91_PMC_CSS_SLOW | \
- AT91_PMC_PRES_1 | \
- AT91SAM9_PMC_MDIV_2 | \
- AT91_PMC_PDIV_1)
-/* PCK/2 = MCK Master Clock from PLLA */
-#define CONFIG_SYS_MCKR2_VAL \
- (AT91_PMC_CSS_PLLA | \
- AT91_PMC_PRES_1 | \
- AT91SAM9_PMC_MDIV_2 | \
- AT91_PMC_PDIV_1)
-
-/* define PDC[31:16] as DATA[31:16] */
-#define CONFIG_SYS_PIOD_PDR_VAL1 0xFFFF0000
-/* no pull-up for D[31:16] */
-#define CONFIG_SYS_PIOD_PPUDR_VAL 0xFFFF0000
-/* EBI0_CSA, CS1 SDRAM, CS3 NAND Flash, 3.3V memories */
-#define CONFIG_SYS_MATRIX_EBI0CSA_VAL \
- (AT91_MATRIX_EBI0_DBPUC | AT91_MATRIX_EBI0_VDDIOMSEL_3_3V | \
- AT91_MATRIX_EBI0_CS1A_SDRAMC)
-
-/* SDRAM */
-/* SDRAMC_TR - Refresh Timer register */
-#define CONFIG_SYS_SDRC_TR_VAL1 0x13C
-/* SDRAMC_CR - Configuration register*/
-#define CONFIG_SYS_SDRC_CR_VAL \
- (AT91_SDRAMC_NC_9 | \
- AT91_SDRAMC_NR_13 | \
- AT91_SDRAMC_NB_4 | \
- AT91_SDRAMC_CAS_3 | \
- AT91_SDRAMC_DBW_32 | \
- (1 << 8) | /* Write Recovery Delay */ \
- (7 << 12) | /* Row Cycle Delay */ \
- (2 << 16) | /* Row Precharge Delay */ \
- (2 << 20) | /* Row to Column Delay */ \
- (5 << 24) | /* Active to Precharge Delay */ \
- (1 << 28)) /* Exit Self Refresh to Active Delay */
-
-/* Memory Device Register -> SDRAM */
-#define CONFIG_SYS_SDRC_MDR_VAL AT91_SDRAMC_MD_SDRAM
-#define CONFIG_SYS_SDRC_TR_VAL2 1200 /* SDRAM_TR */
-
-/* setup SMC0, CS0 (NOR Flash) - 16-bit, 15 WS */
-#define CONFIG_SYS_SMC_CS 0
-#define CONFIG_SYS_SMC_SETUP_VAL \
- (AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) | \
- AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10))
-#define CONFIG_SYS_SMC_PULSE_VAL \
- (AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) | \
- AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11))
-#define CONFIG_SYS_SMC_CYCLE_VAL \
- (AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22))
-#define CONFIG_SYS_SMC_MODE_VAL \
- (AT91_SMC_READMODE | AT91_SMC_WRITEMODE | \
- AT91_SMC_DBW_16 | \
- AT91_SMC_TDFMODE | \
- AT91_SMC_TDF_(6))
-
-/* user reset enable */
-#define CONFIG_SYS_RSTC_RMR_VAL \
- (AT91_RSTC_KEY | \
- AT91_RSTC_PROCRST | \
- AT91_RSTC_RSTTYP_WAKEUP | \
- AT91_RSTC_RSTTYP_WATCHDOG)
-
-/* Disable Watchdog */
-#define CONFIG_SYS_WDTC_WDMR_VAL \
- (AT91_WDT_WDIDLEHLT | AT91_WDT_WDDBGHLT | \
- AT91_WDT_WDV | \
- AT91_WDT_WDDIS | \
- AT91_WDT_WDD)
-
#endif /* __CONFIG_H */
diff --git a/arch/arm/boards/at91sam9263ek/lowlevel_init.c b/arch/arm/boards/at91sam9263ek/lowlevel_init.c
new file mode 100644
index 0000000..2f8b312
--- /dev/null
+++ b/arch/arm/boards/at91sam9263ek/lowlevel_init.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2009-2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
+ *
+ * Under GPLv2
+ */
+
+#include <common.h>
+#include <init.h>
+#include <mach/hardware.h>
+#include <mach/at91_rstc.h>
+#include <mach/at91_wdt.h>
+#include <mach/at91_pmc.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/at91sam9_sdramc.h>
+#include <mach/at91sam9_matrix.h>
+#include <mach/at91_lowlevel_init.h>
+
+#define MASTER_PLL_MUL 171
+#define MASTER_PLL_DIV 14
+
+void __bare_init at91sam926x_lowlevel_board_config(struct at91sam926x_lowlevel_cfg *cfg)
+{
+ /* Disable Watchdog */
+ cfg->wdt_mr =
+ AT91_WDT_WDIDLEHLT | AT91_WDT_WDDBGHLT |
+ AT91_WDT_WDV |
+ AT91_WDT_WDDIS |
+ AT91_WDT_WDD;
+
+ /* define PDC[31:16] as DATA[31:16] */
+ cfg->ebi_pio_pdr = 0xFFFF0000;
+ /* no pull-up for D[31:16] */
+ cfg->ebi_pio_ppudr = 0xFFFF0000;
+ /* EBI0_CSA, CS1 SDRAM, CS3 NAND Flash, 3.3V memories */
+ cfg->ebi_csa =
+ AT91_MATRIX_EBI0_DBPUC | AT91_MATRIX_EBI0_VDDIOMSEL_3_3V |
+ AT91_MATRIX_EBI0_CS1A_SDRAMC;
+
+ cfg->smc_cs = 0;
+ cfg->smc_mode =
+ AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+ AT91_SMC_DBW_16 |
+ AT91_SMC_TDFMODE |
+ AT91_SMC_TDF_(6);
+ cfg->smc_cycle =
+ AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22);
+ cfg->smc_pulse =
+ AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) |
+ AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11);
+ cfg->smc_setup =
+ AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) |
+ AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10);
+
+ cfg->pmc_mor =
+ AT91_PMC_MOSCEN |
+ (255 << 8); /* Main Oscillator Start-up Time */
+ cfg->pmc_pllar =
+ AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */
+ AT91_PMC_OUT |
+ AT91_PMC_PLLCOUNT | /* PLL Counter */
+ (2 << 28) | /* PLL Clock Frequency Range */
+ ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV);
+ /* PCK/2 = MCK Master Clock from PLLA */
+ cfg->pmc_mckr1 =
+ AT91_PMC_CSS_SLOW |
+ AT91_PMC_PRES_1 |
+ AT91SAM9_PMC_MDIV_2 |
+ AT91_PMC_PDIV_1;
+ /* PCK/2 = MCK Master Clock from PLLA */
+ cfg->pmc_mckr2 =
+ AT91_PMC_CSS_PLLA |
+ AT91_PMC_PRES_1 |
+ AT91SAM9_PMC_MDIV_2 |
+ AT91_PMC_PDIV_1;
+
+ /* SDRAM */
+ /* SDRAMC_TR - Refresh Timer register */
+ cfg->sdrc_tr1 = 0x13C;
+ /* SDRAMC_CR - Configuration register*/
+ cfg->sdrc_cr =
+ AT91_SDRAMC_NC_9 |
+ AT91_SDRAMC_NR_13 |
+ AT91_SDRAMC_NB_4 |
+ AT91_SDRAMC_CAS_3 |
+ AT91_SDRAMC_DBW_32 |
+ (1 << 8) | /* Write Recovery Delay */
+ (7 << 12) | /* Row Cycle Delay */
+ (2 << 16) | /* Row Precharge Delay */
+ (2 << 20) | /* Row to Column Delay */
+ (5 << 24) | /* Active to Precharge Delay */
+ (1 << 28); /* Exit Self Refresh to Active Delay */
+
+ /* Memory Device Register -> SDRAM */
+ cfg->sdrc_mdr = AT91_SDRAMC_MD_SDRAM;
+ /* SDRAM_TR */
+ cfg->sdrc_tr2 = 1200;
+
+ /* user reset enable */
+ cfg->rstc_rmr =
+ AT91_RSTC_KEY |
+ AT91_RSTC_PROCRST |
+ AT91_RSTC_RSTTYP_WAKEUP |
+ AT91_RSTC_RSTTYP_WATCHDOG;
+}
diff --git a/arch/arm/boards/mmccpu/Makefile b/arch/arm/boards/mmccpu/Makefile
index eb072c0..aecbc5a 100644
--- a/arch/arm/boards/mmccpu/Makefile
+++ b/arch/arm/boards/mmccpu/Makefile
@@ -1 +1,6 @@
obj-y += init.o
+
+lowlevel_init-y = lowlevel_init.o
+obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
+
+pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
diff --git a/arch/arm/boards/mmccpu/config.h b/arch/arm/boards/mmccpu/config.h
index e6215dc..c896a93 100644
--- a/arch/arm/boards/mmccpu/config.h
+++ b/arch/arm/boards/mmccpu/config.h
@@ -3,122 +3,4 @@
#define AT91_MAIN_CLOCK 18432000
-/* values */
-#define MASTER_PLL_MUL 54
-#define MASTER_PLL_DIV 4
-
-/* clocks */
-#define CONFIG_SYS_MOR_VAL \
- (AT91_PMC_MOSCEN | \
- (255 << 8)) /* Main Oscillator Start-up Time */
-#define CONFIG_SYS_PLLAR_VAL \
- (AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */ \
- AT91_PMC_OUT | \
- AT91_PMC_PLLCOUNT | /* PLL Counter */ \
- (2 << 28) | /* PLL Clock Frequency Range */ \
- ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV))
-
-/* PCK/2 = MCK Master Clock from PLLA */
-#define CONFIG_SYS_MCKR1_VAL \
- (AT91_PMC_CSS_SLOW | \
- AT91_PMC_PRES_1 | \
- AT91SAM9_PMC_MDIV_2 | \
- AT91_PMC_PDIV_1)
-/* PCK/2 = MCK Master Clock from PLLA */
-#define CONFIG_SYS_MCKR2_VAL \
- (AT91_PMC_CSS_PLLA | \
- AT91_PMC_PRES_1 | \
- AT91SAM9_PMC_MDIV_2 | \
- AT91_PMC_PDIV_1)
-
-/* define PDC[31:16] as DATA[31:16] */
-#define CONFIG_SYS_PIOD_PDR_VAL1 0xFFFF0000
-/* no pull-up for D[31:16] */
-#define CONFIG_SYS_PIOD_PPUDR_VAL 0xFFFF0000
-/* EBI0_CSA, CS1 SDRAM, CS3 NAND Flash, 1.8V memories */
-#define CONFIG_SYS_MATRIX_EBI0CSA_VAL \
- (AT91_MATRIX_EBI0_DBPUC | AT91_MATRIX_EBI0_VDDIOMSEL_1_8V | \
- AT91_MATRIX_EBI0_CS1A_SDRAMC | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA)
-
-/* SDRAM */
-/* SDRAMC_TR - Refresh Timer register */
-#define CONFIG_SYS_SDRC_TR_VAL1 0x13c
-/* SDRAMC_CR - Configuration register*/
-#define CONFIG_SYS_SDRC_CR_VAL \
- (AT91_SDRAMC_NC_9 | \
- AT91_SDRAMC_NR_13 | \
- AT91_SDRAMC_NB_4 | \
- AT91_SDRAMC_CAS_3 | \
- AT91_SDRAMC_DBW_32 | \
- (2 << 8) | /* tWR - Write Recovery Delay */ \
- (8 << 12) | /* tRC - Row Cycle Delay */ \
- (2 << 16) | /* tRP - Row Precharge Delay */ \
- (2 << 20) | /* tRCD - Row to Column Delay */ \
- (5 << 24) | /* tRAS - Active to Precharge Delay */ \
- (12 << 28)) /* tXSR - Exit Self Refresh to Active Delay */
-
-/* Memory Device Register -> SDRAM */
-#define CONFIG_SYS_SDRC_MDR_VAL AT91_SDRAMC_MD_SDRAM
-#define CONFIG_SYS_SDRC_TR_VAL2 780 /* SDRAM_TR */
-
-/* setup CS0 (NOR Flash) - 16-bit */
-#define CONFIG_SYS_SMC_CS 0
-#if 1
-#define CONFIG_SYS_SMC_SETUP_VAL \
- (AT91_SMC_NWESETUP_(3) | AT91_SMC_NCS_WRSETUP_(2) | \
- AT91_SMC_NRDSETUP_(8) | AT91_SMC_NCS_RDSETUP_(0))
-#define CONFIG_SYS_SMC_PULSE_VAL \
- (AT91_SMC_NWEPULSE_(5) | AT91_SMC_NCS_WRPULSE_(7) | \
- AT91_SMC_NRDPULSE_(5) | AT91_SMC_NCS_RDPULSE_(13))
-#define CONFIG_SYS_SMC_CYCLE_VAL \
- (AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16))
-#define CONFIG_SYS_SMC_MODE_VAL \
- (AT91_SMC_READMODE | AT91_SMC_WRITEMODE | \
- AT91_SMC_DBW_16 | \
- AT91_SMC_TDFMODE | \
- AT91_SMC_TDF_(6))
-#elif 0 /* slow setup */
-#define CONFIG_SYS_SMC_SETUP_VAL \
- (AT91_SMC_NWESETUP_(3) | AT91_SMC_NCS_WRSETUP_(2) | \
- AT91_SMC_NRDSETUP_(8) | AT91_SMC_NCS_RDSETUP_(0))
-#define CONFIG_SYS_SMC_PULSE_VAL \
- (AT91_SMC_NWEPULSE_(5) | AT91_SMC_NCS_WRPULSE_(7) | \
- AT91_SMC_NRDPULSE_(5) | AT91_SMC_NCS_RDPULSE_(13))
-#define CONFIG_SYS_SMC_CYCLE_VAL \
- (AT91_SMC_NWECYCLE_(0xd00) | AT91_SMC_NRDCYCLE_(0xd00))
-#define CONFIG_SYS_SMC_MODE_VAL \
- (AT91_SMC_READMODE | AT91_SMC_WRITEMODE | \
- AT91_SMC_DBW_16 | \
- AT91_SMC_TDFMODE | \
- AT91_SMC_TDF_(1))
-#else /* RONETIX' original values */
-#define CONFIG_SYS_SMC_SETUP_VAL \
- (AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) | \
- AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10))
-#define CONFIG_SYS_SMC_PULSE_VAL \
- (AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) | \
- AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11))
-#define CONFIG_SYS_SMC_CYCLE_VAL \
- (AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22))
-#define CONFIG_SYS_SMC_MODE_VAL \
- (AT91_SMC_READMODE | AT91_SMC_WRITEMODE | \
- AT91_SMC_DBW_16 | \
- AT91_SMC_TDFMODE | \
- AT91_SMC_TDF_(6))
-#endif
-
-/* user reset enable */
-#define CONFIG_SYS_RSTC_RMR_VAL \
- (AT91_RSTC_KEY | \
- AT91_RSTC_PROCRST | \
- AT91_RSTC_RSTTYP_WAKEUP | \
- AT91_RSTC_RSTTYP_WATCHDOG)
-
-/* Disable Watchdog */
-#define CONFIG_SYS_WDTC_WDMR_VAL \
- (AT91_WDT_WDIDLEHLT | AT91_WDT_WDDBGHLT | \
- AT91_WDT_WDV | \
- AT91_WDT_WDDIS | \
- AT91_WDT_WDD)
-
#endif /* __CONFIG_H */
diff --git a/arch/arm/boards/mmccpu/lowlevel_init.c b/arch/arm/boards/mmccpu/lowlevel_init.c
new file mode 100644
index 0000000..82500eb
--- /dev/null
+++ b/arch/arm/boards/mmccpu/lowlevel_init.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2009-2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
+ *
+ * Under GPLv2
+ */
+
+#include <common.h>
+#include <init.h>
+#include <mach/hardware.h>
+#include <mach/at91_rstc.h>
+#include <mach/at91_wdt.h>
+#include <mach/at91_pmc.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/at91sam9_sdramc.h>
+#include <mach/at91sam9_matrix.h>
+#include <mach/at91_lowlevel_init.h>
+
+#define MASTER_PLL_MUL 54
+#define MASTER_PLL_DIV 4
+
+void __bare_init at91sam926x_lowlevel_board_config(struct at91sam926x_lowlevel_cfg *cfg)
+{
+ /* Disable Watchdog */
+ cfg->wdt_mr =
+ AT91_WDT_WDIDLEHLT | AT91_WDT_WDDBGHLT |
+ AT91_WDT_WDV |
+ AT91_WDT_WDDIS |
+ AT91_WDT_WDD;
+
+ /* define PDC[31:16] as DATA[31:16] */
+ cfg->ebi_pio_pdr = 0xFFFF0000;
+ /* no pull-up for D[31:16] */
+ cfg->ebi_pio_ppudr = 0xFFFF0000;
+ /* EBI0_CSA, CS1 SDRAM, CS3 NAND Flash, 3.3V memories */
+ cfg->ebi_csa =
+ AT91_MATRIX_EBI0_DBPUC | AT91_MATRIX_EBI0_VDDIOMSEL_1_8V |
+ AT91_MATRIX_EBI0_CS1A_SDRAMC |
+ AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA;
+
+ cfg->smc_cs = 0;
+#if 1
+ cfg->smc_mode =
+ AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+ AT91_SMC_DBW_16 |
+ AT91_SMC_TDFMODE |
+ AT91_SMC_TDF_(6);
+ cfg->smc_cycle =
+ AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16);
+ cfg->smc_pulse =
+ AT91_SMC_NWEPULSE_(5) | AT91_SMC_NCS_WRPULSE_(7) |
+ AT91_SMC_NRDPULSE_(5) | AT91_SMC_NCS_RDPULSE_(13);
+ cfg->smc_setup =
+ AT91_SMC_NWESETUP_(3) | AT91_SMC_NCS_WRSETUP_(2) |
+ AT91_SMC_NRDSETUP_(8) | AT91_SMC_NCS_RDSETUP_(0);
+#elif 0
+ cfg->smc_mode =
+ AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+ AT91_SMC_DBW_16 |
+ AT91_SMC_TDFMODE |
+ AT91_SMC_TDF_(1);
+ cfg->smc_cycle =
+ AT91_SMC_NWECYCLE_(0xd00) | AT91_SMC_NRDCYCLE_(0xd00);
+ cfg->smc_pulse =
+ AT91_SMC_NWEPULSE_(5) | AT91_SMC_NCS_WRPULSE_(7) |
+ AT91_SMC_NRDPULSE_(5) | AT91_SMC_NCS_RDPULSE_(13);
+ cfg->smc_setup =
+ AT91_SMC_NWESETUP_(3) | AT91_SMC_NCS_WRSETUP_(2) |
+ AT91_SMC_NRDSETUP_(8) | AT91_SMC_NCS_RDSETUP_(0);
+#else
+ cfg->smc_mode =
+ AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+ AT91_SMC_DBW_16 |
+ AT91_SMC_TDFMODE |
+ AT91_SMC_TDF_(6);
+ cfg->smc_cycle =
+ AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22);
+ cfg->smc_pulse =
+ AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) |
+ AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11);
+ cfg->smc_setup =
+ AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) |
+ AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10);
+#endif
+
+ cfg->pmc_mor =
+ AT91_PMC_MSCEN |
+ (255 << 8); /* Main Oscillator Start-up Time */
+ cfg->pmc_pllar =
+ AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */
+ AT91_PMC_OUT |
+ AT91_PMC_PLLCOUNT | /* PLL Counter */
+ (2 << 28) | /* PLL Clock Frequency Range */
+ ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV);
+ /* PCK/2 = MCK Master Clock from PLLA */
+ cfg->pmc_mckr1 =
+ AT91_PMC_CSS_SLOW |
+ AT91_PMC_PRES_1 |
+ AT91SAM9_PMC_MDIV_2 |
+ AT91_PMC_PDIV_1;
+ /* PCK/2 = MCK Master Clock from PLLA */
+ cfg->pmc_mckr2 =
+ AT91_PMC_CSS_PLLA |
+ AT91_PMC_PRES_1 |
+ AT91SAM9_PMC_MDIV_2 |
+ AT91_PMC_PDIV_1;
+
+ /* SDRAM */
+ /* SDRAMC_TR - Refresh Timer register */
+ cfg->sdrc_tr1 = 0x13C;
+ /* SDRAMC_CR - Configuration register*/
+ cfg->sdrc_cr =
+ AT91_SDRAMC_NC_9 |
+ AT91_SDRAMC_NR_13 |
+ AT91_SDRAMC_NB_4 |
+ AT91_SDRAMC_CAS_3 |
+ AT91_SDRAMC_DBW_32 |
+ (2 << 8) | /* tWR - Write Recovery Delay */
+ (8 << 12) | /* tRC - Row Cycle Delay */
+ (2 << 16) | /* tRP - Row Precharge Delay */
+ (2 << 20) | /* tRCD - Row to Column Delay */
+ (5 << 24) | /* tRAS - Active to Precharge Delay */
+ (12 << 28); /* tXSR - Exit Self Refresh to Active Delay */
+
+ /* Memory Device Register -> SDRAM */
+ cfg->sdrc_mdr = AT91_SDRAMC_MD_SDRAM;
+ /* SDRAM_TR */
+ cfg->sdrc_tr2 = 780;
+
+ /* user reset enable */
+ cfg->rstc_rmr =
+ AT91_RSTC_KEY |
+ AT91_RSTC_PROCRST |
+ AT91_RSTC_RSTTYP_WAKEUP |
+ AT91_RSTC_RSTTYP_WATCHDOG;
+}
diff --git a/arch/arm/boards/pm9261/Makefile b/arch/arm/boards/pm9261/Makefile
index eb072c0..aecbc5a 100644
--- a/arch/arm/boards/pm9261/Makefile
+++ b/arch/arm/boards/pm9261/Makefile
@@ -1 +1,6 @@
obj-y += init.o
+
+lowlevel_init-y = lowlevel_init.o
+obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
+
+pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
diff --git a/arch/arm/boards/pm9261/config.h b/arch/arm/boards/pm9261/config.h
index 4602aa7..006820c 100644
--- a/arch/arm/boards/pm9261/config.h
+++ b/arch/arm/boards/pm9261/config.h
@@ -3,91 +3,4 @@
#define AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */
-#define MASTER_PLL_DIV 15
-#define MASTER_PLL_MUL 162
-#define MAIN_PLL_DIV 2
-
-/* clocks */
-#define CONFIG_SYS_MOR_VAL \
- (AT91_PMC_MOSCEN | \
- (255 << 8)) /* Main Oscillator Start-up Time */
-#define CONFIG_SYS_PLLAR_VAL \
- (AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */ \
- AT91_PMC_OUT | \
- ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV))
-
-/* PCK/2 = MCK Master Clock from PLLA */
-#define CONFIG_SYS_MCKR1_VAL \
- (AT91_PMC_CSS_SLOW | \
- AT91_PMC_PRES_1 | \
- AT91SAM9_PMC_MDIV_2 | \
- AT91_PMC_PDIV_1)
-
-/* PCK/2 = MCK Master Clock from PLLA */
-#define CONFIG_SYS_MCKR2_VAL \
- (AT91_PMC_CSS_PLLA | \
- AT91_PMC_PRES_1 | \
- AT91SAM9_PMC_MDIV_2 | \
- AT91_PMC_PDIV_1)
-
-/* define PDC[31:16] as DATA[31:16] */
-#define CONFIG_SYS_PIOC_PDR_VAL1 0xFFFF0000
-/* no pull-up for D[31:16] */
-#define CONFIG_SYS_PIOC_PPUDR_VAL 0xFFFF0000
-
-/* EBI_CSA, no pull-ups for D[15:0], CS1 SDRAM, CS3 NAND Flash */
-#define CONFIG_SYS_MATRIX_EBICSA_VAL \
- (AT91_MATRIX_DBPUC | AT91_MATRIX_CS1A_SDRAMC)
-
-/* SDRAM */
-/* SDRAMC_TR - Refresh Timer register */
-#define CONFIG_SYS_SDRC_TR_VAL1 0x13C
-/* SDRAMC_CR - Configuration register*/
-#define CONFIG_SYS_SDRC_CR_VAL \
- (AT91_SDRAMC_NC_9 | \
- AT91_SDRAMC_NR_13 | \
- AT91_SDRAMC_NB_4 | \
- AT91_SDRAMC_CAS_3 | \
- AT91_SDRAMC_DBW_32 | \
- (1 << 8) | /* Write Recovery Delay */ \
- (7 << 12) | /* Row Cycle Delay */ \
- (3 << 16) | /* Row Precharge Delay */ \
- (2 << 20) | /* Row to Column Delay */ \
- (5 << 24) | /* Active to Precharge Delay */ \
- (1 << 28)) /* Exit Self Refresh to Active Delay */
-
-/* Memory Device Register -> SDRAM */
-#define CONFIG_SYS_SDRC_MDR_VAL AT91_SDRAMC_MD_SDRAM
-#define CONFIG_SYS_SDRC_TR_VAL2 1200 /* SDRAM_TR */
-
-/* setup SMC0, CS0 (NOR Flash) - 16-bit, 15 WS */
-#define CONFIG_SYS_SMC_CS 0
-#define CONFIG_SYS_SMC_SETUP_VAL \
- (AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) | \
- AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10))
-#define CONFIG_SYS_SMC_PULSE_VAL \
- (AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) | \
- AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11))
-#define CONFIG_SYS_SMC_CYCLE_VAL \
- (AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22))
-#define CONFIG_SYS_SMC_MODE_VAL \
- (AT91_SMC_READMODE | AT91_SMC_WRITEMODE | \
- AT91_SMC_DBW_16 | \
- AT91_SMC_TDFMODE | \
- AT91_SMC_TDF_(6))
-
-/* user reset enable */
-#define CONFIG_SYS_RSTC_RMR_VAL \
- (AT91_RSTC_KEY | \
- AT91_RSTC_PROCRST | \
- AT91_RSTC_RSTTYP_WAKEUP | \
- AT91_RSTC_RSTTYP_WATCHDOG)
-
-/* Disable Watchdog */
-#define CONFIG_SYS_WDTC_WDMR_VAL \
- (AT91_WDT_WDIDLEHLT | AT91_WDT_WDDBGHLT | \
- AT91_WDT_WDV | \
- AT91_WDT_WDDIS | \
- AT91_WDT_WDD)
-
#endif /* __CONFIG_H */
diff --git a/arch/arm/boards/pm9261/lowlevel_init.c b/arch/arm/boards/pm9261/lowlevel_init.c
new file mode 100644
index 0000000..c97f398
--- /dev/null
+++ b/arch/arm/boards/pm9261/lowlevel_init.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2009-2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
+ *
+ * Under GPLv2
+ */
+
+#include <common.h>
+#include <init.h>
+#include <mach/hardware.h>
+#include <mach/at91_rstc.h>
+#include <mach/at91_wdt.h>
+#include <mach/at91_pmc.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/at91sam9_sdramc.h>
+#include <mach/at91sam9_matrix.h>
+#include <mach/at91_lowlevel_init.h>
+
+#define MASTER_PLL_DIV 15
+#define MASTER_PLL_MUL 162
+#define MAIN_PLL_DIV 2
+
+void __bare_init at91sam926x_lowlevel_board_config(struct at91sam926x_lowlevel_cfg *cfg)
+{
+ /* Disable Watchdog */
+ cfg->wdt_mr =
+ AT91_WDT_WDIDLEHLT | AT91_WDT_WDDBGHLT |
+ AT91_WDT_WDV |
+ AT91_WDT_WDDIS |
+ AT91_WDT_WDD;
+
+ /* define PDC[31:16] as DATA[31:16] */
+ cfg->ebi_pio_pdr = 0xFFFF0000;
+ /* no pull-up for D[31:16] */
+ cfg->ebi_pio_ppudr = 0xFFFF0000;
+ /* EBI0_CSA, CS1 SDRAM, CS3 NAND Flash, 3.3V memories */
+ cfg->ebi_csa =
+ AT91_MATRIX_DBPUC | AT91_MATRIX_CS1A_SDRAMC;
+
+ cfg->smc_cs = 0;
+ cfg->smc_mode =
+ AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+ AT91_SMC_DBW_16 |
+ AT91_SMC_TDFMODE |
+ AT91_SMC_TDF_(6);
+ cfg->smc_cycle =
+ AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22);
+ cfg->smc_pulse =
+ AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) |
+ AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11);
+ cfg->smc_setup =
+ AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) |
+ AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10);
+
+ cfg->pmc_mor =
+ AT91_PMC_MOSCEN |
+ (255 << 8); /* Main Oscillator Start-up Time */
+ cfg->pmc_pllar =
+ AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */
+ AT91_PMC_OUT |
+ ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV);
+ /* PCK/2 = MCK Master Clock from PLLA */
+ cfg->pmc_mckr1 =
+ AT91_PMC_CSS_SLOW |
+ AT91_PMC_PRES_1 |
+ AT91SAM9_PMC_MDIV_2 |
+ AT91_PMC_PDIV_1;
+ /* PCK/2 = MCK Master Clock from PLLA */
+ cfg->pmc_mckr2 =
+ AT91_PMC_CSS_PLLA |
+ AT91_PMC_PRES_1 |
+ AT91SAM9_PMC_MDIV_2 |
+ AT91_PMC_PDIV_1;
+
+ /* SDRAM */
+ /* SDRAMC_TR - Refresh Timer register */
+ cfg->sdrc_tr1 = 0x13C;
+ /* SDRAMC_CR - Configuration register*/
+ cfg->sdrc_cr =
+ AT91_SDRAMC_NC_9 |
+ AT91_SDRAMC_NR_13 |
+ AT91_SDRAMC_NB_4 |
+ AT91_SDRAMC_CAS_3 |
+ AT91_SDRAMC_DBW_32 |
+ (1 << 8) | /* Write Recovery Delay */
+ (7 << 12) | /* Row Cycle Delay */
+ (3 << 16) | /* Row Precharge Delay */
+ (2 << 20) | /* Row to Column Delay */
+ (5 << 24) | /* Active to Precharge Delay */
+ (1 << 28); /* Exit Self Refresh to Active Delay */
+
+ /* Memory Device Register -> SDRAM */
+ cfg->sdrc_mdr = AT91_SDRAMC_MD_SDRAM;
+ /* SDRAM_TR */
+ cfg->sdrc_tr2 = 1200;
+
+ /* user reset enable */
+ cfg->rstc_rmr =
+ AT91_RSTC_KEY |
+ AT91_RSTC_PROCRST |
+ AT91_RSTC_RSTTYP_WAKEUP |
+ AT91_RSTC_RSTTYP_WATCHDOG;
+}
diff --git a/arch/arm/boards/pm9263/Makefile b/arch/arm/boards/pm9263/Makefile
index eb072c0..aecbc5a 100644
--- a/arch/arm/boards/pm9263/Makefile
+++ b/arch/arm/boards/pm9263/Makefile
@@ -1 +1,6 @@
obj-y += init.o
+
+lowlevel_init-y = lowlevel_init.o
+obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
+
+pbl-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
diff --git a/arch/arm/boards/pm9263/config.h b/arch/arm/boards/pm9263/config.h
index 322c1f3..9066613 100644
--- a/arch/arm/boards/pm9263/config.h
+++ b/arch/arm/boards/pm9263/config.h
@@ -3,107 +3,4 @@
#define AT91_MAIN_CLOCK 18432000
-#define MASTER_PLL_DIV 6
-#define MASTER_PLL_MUL 65
-#define MAIN_PLL_DIV 2 /* 2 or 4 */
-
-/* clocks */
-#define CONFIG_SYS_MOR_VAL \
- (AT91_PMC_MOSCEN | \
- (255 << 8)) /* Main Oscillator Start-up Time */
-#define CONFIG_SYS_PLLAR_VAL \
- (AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */ \
- AT91_PMC_OUT | \
- AT91_PMC_PLLCOUNT | /* PLL Counter */ \
- (2 << 28) | /* PLL Clock Frequency Range */ \
- ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV))
-
-#if (MAIN_PLL_DIV == 2)
-/* PCK/2 = MCK Master Clock from PLLA */
-#define CONFIG_SYS_MCKR1_VAL \
- (AT91_PMC_CSS_SLOW | \
- AT91_PMC_PRES_1 | \
- AT91SAM9_PMC_MDIV_2 | \
- AT91_PMC_PDIV_1)
-/* PCK/2 = MCK Master Clock from PLLA */
-#define CONFIG_SYS_MCKR2_VAL \
- (AT91_PMC_CSS_PLLA | \
- AT91_PMC_PRES_1 | \
- AT91SAM9_PMC_MDIV_2 | \
- AT91_PMC_PDIV_1)
-#else
-/* PCK/4 = MCK Master Clock from PLLA */
-#define CONFIG_SYS_MCKR1_VAL \
- (AT91_PMC_CSS_SLOW | \
- AT91_PMC_PRES_1 | \
- AT91RM9200_PMC_MDIV_3 | \
- AT91_PMC_PDIV_1)
-/* PCK/4 = MCK Master Clock from PLLA */
-#define CONFIG_SYS_MCKR2_VAL \
- (AT91_PMC_CSS_PLLA | \
- AT91_PMC_PRES_1 | \
- AT91RM9200_PMC_MDIV_3 | \
- AT91_PMC_PDIV_1)
-#endif
-/* define PDC[31:16] as DATA[31:16] */
-#define CONFIG_SYS_PIOD_PDR_VAL1 0xFFFF0000
-/* no pull-up for D[31:16] */
-#define CONFIG_SYS_PIOD_PPUDR_VAL 0xFFFF0000
-/* EBI0_CSA, CS1 SDRAM, CS3 NAND Flash, 3.3V memories */
-#define CONFIG_SYS_MATRIX_EBI0CSA_VAL \
- (AT91_MATRIX_EBI0_DBPUC | AT91_MATRIX_EBI0_VDDIOMSEL_3_3V | \
- AT91_MATRIX_EBI0_CS1A_SDRAMC)
-
-/* SDRAM */
-/* SDRAMC_TR - Refresh Timer register */
-#define CONFIG_SYS_SDRC_TR_VAL1 0x3AA
-/* SDRAMC_CR - Configuration register*/
-#define CONFIG_SYS_SDRC_CR_VAL \
- (AT91_SDRAMC_NC_9 | \
- AT91_SDRAMC_NR_13 | \
- AT91_SDRAMC_NB_4 | \
- AT91_SDRAMC_CAS_2 | \
- AT91_SDRAMC_DBW_32 | \
- (2 << 8) | /* tWR - Write Recovery Delay */ \
- (7 << 12) | /* tRC - Row Cycle Delay */ \
- (2 << 16) | /* tRP - Row Precharge Delay */ \
- (2 << 20) | /* tRCD - Row to Column Delay */ \
- (5 << 24) | /* tRAS - Active to Precharge Delay */ \
- (8 << 28)) /* tXSR - Exit Self Refresh to Active Delay */
-
-/* Memory Device Register -> SDRAM */
-#define CONFIG_SYS_SDRC_MDR_VAL AT91_SDRAMC_MD_SDRAM
-#define CONFIG_SYS_SDRC_TR_VAL2 1200 /* SDRAM_TR */
-
-/* setup SMC0, CS0 (NOR Flash) - 16-bit, 15 WS */
-#define CONFIG_SYS_SMC_CS 0
-#define CONFIG_SYS_SMC_SETUP_VAL \
- (AT91_SMC_NWESETUP_(10) | AT91_SMC_NCS_WRSETUP_(10) | \
- AT91_SMC_NRDSETUP_(10) | AT91_SMC_NCS_RDSETUP_(10))
-#define CONFIG_SYS_SMC_PULSE_VAL \
- (AT91_SMC_NWEPULSE_(11) | AT91_SMC_NCS_WRPULSE_(11) | \
- AT91_SMC_NRDPULSE_(11) | AT91_SMC_NCS_RDPULSE_(11))
-#define CONFIG_SYS_SMC_CYCLE_VAL \
- (AT91_SMC_NWECYCLE_(22) | AT91_SMC_NRDCYCLE_(22))
-#define CONFIG_SYS_SMC_MODE_VAL \
- (AT91_SMC_READMODE | AT91_SMC_WRITEMODE | \
- AT91_SMC_DBW_16 | \
- AT91_SMC_TDFMODE | \
- AT91_SMC_TDF_(6))
-
-/* user reset enable */
-#define CONFIG_SYS_RSTC_RMR_VAL \
- (AT91_RSTC_KEY | \
- AT91_RSTC_PROCRST | \
- AT91_RSTC_RSTTYP_WAKEUP | \
- AT91_RSTC_RSTTYP_WATCHDOG)
-
-/* Disable Watchdog */
-#define CONFIG_SYS_WDTC_WDMR_VAL \
- (AT91_WDT_WDIDLEHLT | AT91_WDT_WDDBGHLT | \
- AT91_WDT_WDV | \
- AT91_WDT_WDDIS | \
- AT91_WDT_WDD)
-
-
#endif /* __CONFIG_H */
diff --git a/arch/arm/mach-at91/at91sam926x_lowlevel_init.c b/arch/arm/mach-at91/at91sam926x_lowlevel_init.c
index 4dec275..e7145b4 100644
--- a/arch/arm/mach-at91/at91sam926x_lowlevel_init.c
+++ b/arch/arm/mach-at91/at91sam926x_lowlevel_init.c
@@ -19,8 +19,10 @@
#include <mach/at91sam9_matrix.h>
#include <mach/at91sam9_sdramc.h>
#include <mach/at91sam9_smc.h>
+#include <mach/at91_lowlevel_init.h>
#include <mach/io.h>
#include <init.h>
+#include <sizes.h>
static void inline access_sdram(void)
{
@@ -44,40 +46,41 @@ static int inline running_in_sram(void)
return addr == 0;
}
-void __naked __bare_init reset(void)
+void __bare_init at91sam926x_lowlevel_init(void)
{
u32 r;
int i;
int in_sram = running_in_sram();
+ struct at91sam926x_lowlevel_cfg cfg;
- common_reset();
+ at91sam926x_lowlevel_board_config(&cfg);
- __raw_writel(CONFIG_SYS_WDTC_WDMR_VAL, AT91_BASE_WDT + AT91_WDT_MR);
+ __raw_writel(cfg.wdt_mr, AT91_BASE_WDT + AT91_WDT_MR);
/* configure PIOx as EBI0 D[16-31] */
#ifdef CONFIG_ARCH_AT91SAM9263
- __raw_writel(CONFIG_SYS_PIOD_PDR_VAL1, AT91_BASE_PIOD + PIO_PDR);
- __raw_writel(CONFIG_SYS_PIOD_PPUDR_VAL, AT91_BASE_PIOD + PIO_PUDR);
- __raw_writel(CONFIG_SYS_PIOD_PPUDR_VAL, AT91_BASE_PIOD + PIO_ASR);
+ __raw_writel(cfg.ebi_pio_pdr, AT91_BASE_PIOD + PIO_PDR);
+ __raw_writel(cfg.ebi_pio_ppudr, AT91_BASE_PIOD + PIO_PUDR);
+ __raw_writel(cfg.ebi_pio_ppudr, AT91_BASE_PIOD + PIO_ASR);
#else
- __raw_writel(CONFIG_SYS_PIOC_PDR_VAL1, AT91_BASE_PIOC + PIO_PDR);
- __raw_writel(CONFIG_SYS_PIOC_PPUDR_VAL, AT91_BASE_PIOC + PIO_PUDR);
+ __raw_writel(cfg.ebi_pio_pdr, AT91_BASE_PIOC + PIO_PDR);
+ __raw_writel(cfg.ebi_pio_ppudrL, AT91_BASE_PIOC + PIO_PUDR);
#endif
#if defined(AT91_MATRIX_EBI0CSA)
- at91_sys_write(AT91_MATRIX_EBI0CSA, CONFIG_SYS_MATRIX_EBI0CSA_VAL);
+ at91_sys_write(AT91_MATRIX_EBI0CSA, cfg.ebi_csa);
#else /* AT91_MATRIX_EBICSA */
- at91_sys_write(AT91_MATRIX_EBICSA, CONFIG_SYS_MATRIX_EBICSA_VAL);
+ at91_sys_write(AT91_MATRIX_EBICSA, cfg.ebi_csa);
#endif
/* flash */
- at91_smc_write(CONFIG_SYS_SMC_CS, AT91_SMC_MODE, CONFIG_SYS_SMC_MODE_VAL);
+ at91_smc_write(cfg.smc_cs, AT91_SMC_MODE, cfg.smc_mode);
- at91_smc_write(CONFIG_SYS_SMC_CS, AT91_SMC_CYCLE, CONFIG_SYS_SMC_CYCLE_VAL);
+ at91_smc_write(cfg.smc_cs, AT91_SMC_CYCLE, cfg.smc_cycle);
- at91_smc_write(CONFIG_SYS_SMC_CS, AT91_SMC_PULSE, CONFIG_SYS_SMC_PULSE_VAL);
+ at91_smc_write(cfg.smc_cs, AT91_SMC_PULSE, cfg.smc_pulse);
- at91_smc_write(CONFIG_SYS_SMC_CS, AT91_SMC_SETUP, CONFIG_SYS_SMC_SETUP_VAL);
+ at91_smc_write(cfg.smc_cs, AT91_SMC_SETUP, cfg.smc_setup);
/*
* PMC Check if the PLL is already initialized
@@ -89,7 +92,7 @@ void __naked __bare_init reset(void)
/*
* Enable the Main Oscillator
*/
- at91_pmc_write(AT91_CKGR_MOR, CONFIG_SYS_MOR_VAL);
+ at91_pmc_write(AT91_CKGR_MOR, cfg.pmc_mor);
do {
r = at91_pmc_read(AT91_PMC_SR);
@@ -98,7 +101,7 @@ void __naked __bare_init reset(void)
/*
* PLLAR: x MHz for PCK
*/
- at91_pmc_write(AT91_CKGR_PLLAR, CONFIG_SYS_PLLAR_VAL);
+ at91_pmc_write(AT91_CKGR_PLLAR, cfg.pmc_pllar);
do {
r = at91_pmc_read(AT91_PMC_SR);
@@ -107,14 +110,14 @@ void __naked __bare_init reset(void)
/*
* PCK/x = MCK Master Clock from SLOW
*/
- at91_pmc_write(AT91_PMC_MCKR, CONFIG_SYS_MCKR1_VAL);
+ at91_pmc_write(AT91_PMC_MCKR, cfg.pmc_mckr1);
pmc_check_mckrdy();
/*
* PCK/x = MCK Master Clock from PLLA
*/
- at91_pmc_write(AT91_PMC_MCKR, CONFIG_SYS_MCKR2_VAL);
+ at91_pmc_write(AT91_PMC_MCKR, cfg.pmc_mckr2);
pmc_check_mckrdy();
@@ -133,13 +136,13 @@ void __naked __bare_init reset(void)
at91_sys_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_NORMAL);
/* SDRAMC_TR - Refresh Timer register */
- at91_sys_write(AT91_SDRAMC_TR, CONFIG_SYS_SDRC_TR_VAL1);
+ at91_sys_write(AT91_SDRAMC_TR, cfg.sdrc_tr1);
/* SDRAMC_CR - Configuration register*/
- at91_sys_write(AT91_SDRAMC_CR, CONFIG_SYS_SDRC_CR_VAL);
+ at91_sys_write(AT91_SDRAMC_CR, cfg.sdrc_cr);
/* Memory Device Type */
- at91_sys_write(AT91_SDRAMC_MDR, CONFIG_SYS_SDRC_MDR_VAL);
+ at91_sys_write(AT91_SDRAMC_MDR, cfg.sdrc_mdr);
/* SDRAMC_MR : Precharge All */
at91_sys_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_PRECHARGE);
@@ -167,13 +170,13 @@ void __naked __bare_init reset(void)
access_sdram();
/* SDRAMC_TR : Refresh Timer Counter */
- at91_sys_write(AT91_SDRAMC_TR, CONFIG_SYS_SDRC_TR_VAL2);
+ at91_sys_write(AT91_SDRAMC_TR, cfg.sdrc_tr2);
/* access SDRAM */
access_sdram();
/* User reset enable*/
- at91_sys_write(AT91_RSTC_MR, CONFIG_SYS_RSTC_RMR_VAL);
+ at91_sys_write(AT91_RSTC_MR, cfg.rstc_rmr);
#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP
/* MATRIX_MCFG - REMAP all masters */
@@ -190,3 +193,18 @@ void __naked __bare_init reset(void)
end:
board_init_lowlevel_return();
}
+
+void __naked __bare_init reset(void)
+{
+ common_reset();
+
+#ifdef CONFIG_ARCH_AT91SAM9263
+ arm_setup_stack(AT91SAM9263_SRAM0_BASE + AT91SAM9263_SRAM0_SIZE - 16);
+#elif defined(CONFIG_ARCH_AT91SAM9261) || defined(CONFIG_ARCH_AT91SAM9G10)
+ arm_setup_stack(AT91SAM9261_SRAM_BASE + AT91SAM9261_SRAM_SIZE - 16);
+#elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20)
+ arm_setup_stack(AT91SAM9260_SRAM_BASE + AT91SAM9260_SRAM_SIZE - 16);
+#endif
+
+ at91sam926x_lowlevel_init();
+}
diff --git a/arch/arm/mach-at91/include/mach/at91_lowlevel_init.h b/arch/arm/mach-at91/include/mach/at91_lowlevel_init.h
new file mode 100644
index 0000000..29d9628
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91_lowlevel_init.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2009-2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
+ *
+ * Under GPLv2
+ */
+
+#ifndef __AT91_LOWLEVEL_INIT_H__
+#define __AT91_LOWLEVEL_INIT_H__
+
+struct at91sam926x_lowlevel_cfg {
+ u32 wdt_mr;
+ u32 ebi_pio_pdr;
+ u32 ebi_pio_ppudr;
+ u32 ebi_csa;
+ u32 smc_cs;
+ u32 smc_mode;
+ u32 smc_cycle;
+ u32 smc_pulse;
+ u32 smc_setup;
+ u32 pmc_mor;
+ u32 pmc_pllar;
+ u32 pmc_mckr1;
+ u32 pmc_mckr2;
+ u32 sdrc_cr;
+ u32 sdrc_tr1;
+ u32 sdrc_mdr;
+ u32 sdrc_tr2;
+ u32 rstc_rmr;
+};
+
+void at91sam926x_lowlevel_board_config(struct at91sam926x_lowlevel_cfg *cfg);
+
+#endif /* __AT91_LOWLEVEL_INIT_H__ */
--
1.7.10.4
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